merge from 1.5.3 (~r10943)

git-svn-id: http://xe-core.googlecode.com/svn/trunk@10951 201d5d3c-b55e-5fd7-737f-ddc643e51545

addons/captcha/captcha.addon.php

@@ -10,6 +10,9 @@
 
 	if(!class_exists('AddonCaptcha'))
 	{
+	// On the mobile mode, XE Core does not load jquery and xe.js as normal.
+	Context::loadFile(array('./common/js/jquery.min.js','head', NULL,-100000),true);
+	Context::loadFile(array('./common/js/xe.min.js','head', NULL,-100000),true);
 		class AddonCaptcha
 		{
 			var $addon_info;
@@ -31,6 +34,7 @@
 				$logged_info = Context::get('logged_info');
 				if($logged_info->is_admin == 'Y' || $logged_info->is_site_admin) return false;
 				if($this->addon_info->target != 'all' && Context::get('is_logged')) return false;
+				if($_SESSION['XE_VALIDATOR_ERROR'] == -1) $_SESSION['captcha_authed'] = false;
 				if($_SESSION['captcha_authed']) return false;
 
 				$type = Context::get('captchaType');
@@ -54,7 +58,7 @@
 						}
 					}  else {
 						Context::addHtmlHeader('<script type="text/javascript"> var captchaTargetAct = new Array("'.implode('","',$target_acts).'"); </script>');
-						Context::loadFile(array('./addons/captcha/captcha.js', 'body', '', null), true);
+						Context::loadFile(array('./addons/captcha/captcha.min.js', 'body', '', null), true);
 					}
 				}
 
@@ -286,7 +290,7 @@
 				$this->createKeyword();
 
 				$swfURL = getUrl().'addons/captcha/swf/play.swf';
-				Context::unloadFile('./addons/captcha/captcha.js');
+				Context::unloadFile('./addons/captcha/captcha.min.js');
 				Context::loadFile(array('./addons/captcha/inline_captcha.js','body'));
 
 				global $lang;

addons/captcha/captcha.js

@@ -80,7 +80,9 @@ var calledArgs = null;
 
 				captchaXE = $('<div id="captcha_layer" style="position:fixed; top:0; left:0; width:100%; height:100%;display:none;z-index:10">').appendTo(document.body);
 
-                var $div = $('<div style="z-index:1000;position:absolute; width:310px; margin:-105px 0 0 -105px; top:50%; left:50%; background:#fff; border:3px solid #ccc;">'+
+				var top_left = 'margin:-105px 0 0 -105px; top:50%; left:50%;';
+				if(screen.width<480) { top_left = ''; }
+				var $div = $('<div style="z-index:1000;position:absolute; width:310px;' + top_left + ' background:#fff; border:3px solid #ccc;">'+
 								'<form method="post" action="">'+
 									'<div style="position:relative; margin:25px 20px 15px 20px">'+
 										'<img src="about:blank" id="captcha_image" alt="CAPTCHA" width="240" height="50" style="display:block; width:240px; height:50px; border:1px solid #b0b0b0" />'+

addons/member_communication/member_communication.addon.php

@@ -4,7 +4,7 @@ if(!defined('__XE__')) exit();
 /**
  * @file member_communication.addon.php
  * @author NHN (developers@xpressengine.com)
- * @brief Promote user communication 
+ * @brief Promote user communication
  *
  * - Pop-up the message if new message comes in
  * - When calling MemberModel::getMemberMenu, feature to send a message is added
@@ -46,7 +46,7 @@ if($called_position == 'before_module_init' && $this->module != 'member') {
 	$mid = Context::get('cur_mid');
 	// Creates communication model object
 	$oCommunicationModel = &getModel('communication');
-	// Add a feature to display own message box. 
+	// Add a feature to display own message box.
 	if($logged_info->member_srl == $member_srl) {
 		// Add your own viewing Note Template
 		$oMemberController->addMemberPopupMenu(getUrl('','mid',$mid,'act','dispCommunicationMessages'), 'cmd_view_message_box', '', 'self');
@@ -55,7 +55,7 @@ if($called_position == 'before_module_init' && $this->module != 'member') {
 	// If not, Add menus to send message and to add friends
 	} else {
 		// Get member information
-		$oMemberModel = &getModel('member'); 
+		$oMemberModel = &getModel('member');
 		$target_member_info = $oMemberModel->getMemberInfoByMemberSrl($member_srl);
 		if(!$target_member_info->member_srl) return;
 		// Get logged-in user information

addons/member_communication/tpl/member_communication.js

@@ -5,6 +5,10 @@ window.xeNotifyMessage = function(text, count){
 	if(!$bar.length) {
 		$bar = $('<div class="message info" />')
 			.hide()
+			.css({
+				'position'   : 'absolute',
+				'z-index' : '100',
+			})
 			.prependTo(document.body);
 	}
 	text = text.replace('%d', count);
@@ -13,6 +17,6 @@ window.xeNotifyMessage = function(text, count){
 	// hide after 10 seconds
 	setTimeout(function(){
 		$bar.slideUp();
-	}, 10000);
+	}, 5000);
 };
 })(jQuery);

addons/member_extra_info/member_extra_info.addon.php

@@ -17,7 +17,7 @@ if($called_position != "before_display_content" || Context::get('act')=='dispPag
 // Include a file having functions to replace member image name/mark
 require_once('./addons/member_extra_info/member_extra_info.lib.php');
 // 1. Find a part <div class="member_MemberSerialNumber"> content </div> in the output document, change it to image name/mark by using MemberController::transImageName()
-$temp_output = preg_replace_callback('!<(div|span|a)([^\>]*)member_([0-9]+)([^\>]*)>([^\<]*)\<\/(div|span|a)\>!is', 'memberTransImageName', $output);
+$temp_output = preg_replace_callback('!<(div|span|a)([^\>]*)member_([0-9]+)([^\>]*)>(.*?)\<\/(div|span|a)\>!is', 'memberTransImageName', $output);
 if($temp_output) $output = $temp_output;
 unset($temp_output);
 ?>

addons/point_level_icon/point_level_icon.addon.php

@@ -13,7 +13,7 @@ if($called_position != "before_display_content" || Context::get('act')=='dispPag
 
 require_once('./addons/point_level_icon/point_level_icon.lib.php');
 
-$temp_output = preg_replace_callback('!<(div|span|a)([^\>]*)member_([0-9\-]+)([^\>]*)>([^\<]*)\<\/(div|span|a)\>!is', 'pointLevelIconTrans', $output);
+$temp_output = preg_replace_callback('!<(div|span|a)([^\>]*)member_([0-9\-]+)([^\>]*)>(.*?)\<\/(div|span|a)\>!is', 'pointLevelIconTrans', $output);
 if($temp_output) $output = $temp_output;
 unset($temp_output);
 ?>

classes/cache/CacheApc.class.php

@@ -1,14 +1,22 @@
 <?php
 /**
- * @class CacheApc
+ * Cache class for APC
+ *
  * @author NHN (developer@xpressengine.com)
- * @brief APC Handler
- * @version 0.1
  **/
-
 class CacheApc extends CacheBase {
+	/**
+	 * Default valid time
+	 * @var int
+	 */
 	var $valid_time = 36000;
 
+	/**
+	 * Get instance of CacheApc
+	 *
+	 * @param void $opt Not used
+	 * @return CacheApc instance of CacheApc
+	 */
 	function getInstance($opt=null){
 		if(!$GLOBALS['__CacheApc__']) {
 			$GLOBALS['__CacheApc__'] = new CacheApc();
@@ -16,18 +24,46 @@ class CacheApc extends CacheBase {
 		return $GLOBALS['__CacheApc__'];
 	}
 
+	/**
+	 * Constructor
+	 *
+	 * @return void
+	 */
 	function CacheApc(){
 	}
 
+	/**
+	 * Return whether support or not support cache
+	 *
+	 * @return bool Return true on support or false on not support
+	 */
 	function isSupport(){
 		return function_exists('apc_add');
 	}
 
+	/**
+	 * Cache a variable in the data store
+	 *
+	 * @param string $key Store the variable using this name. $key are cache-unique, so storing a second value with the same $key will overwrite the original value.
+	 * @param mixed $buff The variable to store
+	 * @param int $valid_time 	Time To Live; store $buff in the cache for ttl seconds.
+	 *							After the ttl has passed., the stored variable will be expunged from the cache (on the next request).
+	 *							If no ttl is supplied, use the default valid time CacheApc::valid_time.
+	 * @return bool Returns true on success or false on failure.
+	 */
 	function put($key, $buff, $valid_time = 0){
 		if($valid_time == 0) $valid_time = $this->valid_time;
 		return apc_store(md5(_XE_PATH_.$key), array(time(), $buff), $valid_time);
 	}
 
+	/**
+	 * Return whether cache is valid or invalid
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, the data is invalid.
+	 * @return bool Return true on valid or false on invalid.
+	 */
 	function isValid($key, $modified_time = 0) {
 		$_key = md5(_XE_PATH_.$key);
 		$obj = apc_fetch($_key, $success);
@@ -42,6 +78,14 @@ class CacheApc extends CacheBase {
 		return true;
 	}
 
+	/**
+	 * Fetch a stored variable from the cache
+	 *
+	 * @param string $key The $key used to store the value.
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, return false.
+	 * @return false|mixed Return false on failure or older then modified time. Return the string associated with the $key on success.
+	 */
 	function get($key, $modified_time = 0) {
 		$_key = md5(_XE_PATH_.$key);
 		$obj = apc_fetch($_key, $success);
@@ -55,15 +99,31 @@ class CacheApc extends CacheBase {
 		return $obj[1];
 	}
 
+	/**
+	 * Delete variable from the cache(private)
+	 *
+	 * @param string $_key Used to store the value.
+	 * @return void
+	 */
 	function _delete($_key) {
 		$this->put($_key,null,1);
 	}
 
+	/**
+	 * Delete variable from the cache
+	 *
+	 * @param string $key Used to store the value.
+	 * @return void
+	 */
 	function delete($key) {
-		$_key = md5(_XE_PATH_.$key);
-		$this->_delete($_key);
+		$this->_delete($key);
 	}
 
+	/**
+	 * Truncate all existing variables at the cache
+	 *
+	 * @return bool Returns true on success or false on failure.
+	 */
 	function truncate() {
 		return apc_clear_cache('user');
 	}

classes/cache/CacheFile.class.php

@@ -1,15 +1,29 @@
 <?php
 /**
- * @class CacheFile
+ * Cache class for file
+ *
+ * Filedisk Cache Handler
+ *
  * @author Arnia Software (xe_dev@arnia.ro)
- * @brief Filedisk Cache Handler
- * @version 0.1
  **/
-
 class CacheFile extends CacheBase {
+	/**
+	 * Default valid time
+	 * @var int
+	 */
 	var $valid_time = 36000;
+
+	/**
+	 * Path that value to stored
+	 * @var string
+	 */
 	var $cache_dir = 'files/cache/store/';
 	
+	/**
+	 * Get instance of CacheFile
+	 *
+	 * @return CacheFile instance of CacheFile
+	 */
 	function getInstance(){
 		if(!$GLOBALS['__CacheFile__']) {
 			$GLOBALS['__CacheFile__'] = new CacheFile();
@@ -17,25 +31,56 @@ class CacheFile extends CacheBase {
 		return $GLOBALS['__CacheFile__'];
 	}
 
+	/**
+	 * Constructor
+	 *
+	 * @return void
+	 */
 	function CacheFile(){
 		$this->cache_dir = _XE_PATH_ . $this->cache_dir;
 		if(!is_dir($this->cache_dir)) FileHandler::makeDir($this->cache_dir);
 	}
 
+	/**
+	 * Get cache file name by key
+	 *
+	 * @param string $key The key that will be associated with the item.
+	 * @return string Returns cache file path
+	 */
 	function getCacheFileName($key){
 		return $this->cache_dir . str_replace(':', '_', $key);
 	}
 	
+	/**
+	 * Return whether support or not support cache
+	 *
+	 * @return true
+	 */
 	function isSupport(){
 		return true;
 	}
 
+	/**
+	 * Cache a variable in the data store
+	 *
+	 * @param string $key Store the variable using this name.
+	 * @param mixed $obj The variable to store
+	 * @param int $valid_time Not used
+	 * @return void
+	 */
 	function put($key, $obj, $valid_time = 0){
 		$cache_file = $this->getCacheFileName($key);		
 		$text = serialize($obj);
 		FileHandler::writeFile($cache_file, $text);
 	}
 
+	/**
+	 * Return whether cache is valid or invalid
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time Not used
+	 * @return bool Return true on valid or false on invalid.
+	 */
 	function isValid($key, $modified_time = 0) {
 		$cache_file = $this->getCacheFileName($key);
 		if(file_exists($cache_file)) return true;
@@ -43,6 +88,13 @@ class CacheFile extends CacheBase {
 		return false;
 	}
 
+	/**
+	 * Fetch a stored variable from the cache
+	 *
+	 * @param string $key The $key used to store the value.
+	 * @param int $modified_time Not used
+	 * @return false|mixed Return false on failure. Return the string associated with the $key on success.
+	 */
 	function get($key, $modified_time = 0) {
 		$cache_file = $this->getCacheFileName($key);
 		$content = FileHandler::readFile($cache_file);
@@ -51,15 +103,32 @@ class CacheFile extends CacheBase {
 		return unserialize($content);
 	}
 
+	/**
+	 * Delete variable from the cache(private)
+	 *
+	 * @param string $_key Used to store the value.
+	 * @return void
+	 */
 	function _delete($_key) {
 		$cache_file = $this->getCacheFileName($_key);
 		FileHandler::removeFile($cache_file);
 	}
 
+	/**
+	 * Delete variable from the cache
+	 *
+	 * @param string $key Used to store the value.
+	 * @return void
+	 */
 	function delete($key) {
 		$this->_delete($key);
 	}
 
+	/**
+	 * Truncate all existing variables at the cache
+	 *
+	 * @return bool Returns true on success or false on failure.
+	 */
 	function truncate() {
 		FileHandler::removeFilesInDir($this->cache_dir);
 	}

classes/cache/CacheHandler.class.php

@@ -1,15 +1,30 @@
 <?php
 /**
- * @class CacheHandler
+ * CacheHandler
+ *
  * @author NHN (developer@xpressengine.com)
- * @brief Cache Handler
- * @version 0.1
  **/
-
 class CacheHandler extends Handler {
+	/**
+	 * instance of cache handler
+	 * @var CacheBase
+	 */
 	var $handler = null;
+
+	/**
+	 * Version of key group
+	 * @var int
+	 */
 	var $keyGroupVersions = null;
 
+	/**
+	 * Get a instance of CacheHandler(for singleton)
+	 *
+	 * @param string $target type of cache (object|template)
+	 * @param object $info info. of DB
+	 * @param boolean $always_use_file If set true, use a file cache always
+	 * @return CacheHandler
+	 */
 	function &getInstance($target = 'object', $info = null, $always_use_file = false) {
 		$cache_handler_key = $target . ($always_use_file ? '_file' : '');
 		if(!$GLOBALS['__XE_CACHE_HANDLER__'][$cache_handler_key]) {
@@ -18,6 +33,17 @@ class CacheHandler extends Handler {
 		return $GLOBALS['__XE_CACHE_HANDLER__'][$cache_handler_key];
 	}
 
+	/**
+	 * Constructor.
+	 *
+	 * Do not use this directly. You can use getInstance() instead.
+	 *
+	 * @see CacheHandler::getInstance
+	 * @param string $target type of cache (object|template)
+	 * @param object $info info. of DB
+	 * @param boolean $always_use_file If set true, use a file cache always
+	 * @return CacheHandler
+	 */
 	function CacheHandler($target, $info = null, $always_use_file = false) {
 		if(!$info) $info = Context::getDBInfo();
 		if($info){
@@ -50,31 +76,73 @@ class CacheHandler extends Handler {
 		}
 	}
 
+	/**
+	 * Return whether support or not support cache
+	 *
+	 * @return boolean
+	 */
 	function isSupport(){
 		if($this->handler && $this->handler->isSupport()) return true;
 		return false;
 	}
 
+	/**
+	 * Get cached data
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, return false.
+	 * @return false|mixed Return false on failure or older then modified time. Return the string associated with the $key on success.
+	 */
 	function get($key, $modified_time = 0){
 		if(!$this->handler) return false;
 		return $this->handler->get($key, $modified_time);
 	}
 
+	/**
+	 * Put data into cache
+	 *
+	 * @param string $key Cache key
+	 * @param mixed $obj	Value of a variable to store. $value supports all data types except resources, such as file handlers.
+	 * @param int $valid_time	Time for the variable to live in the cache in seconds.
+	 *							After the value specified in ttl has passed the stored variable will be deleted from the cache.
+	 *							If no ttl is supplied, use the default valid time.
+	 * @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
+	 */
 	function put($key, $obj, $valid_time = 0){
 		if(!$this->handler) return false;
 		return $this->handler->put($key, $obj, $valid_time);
 	}
 
+	/**
+	 * Delete Cache
+	 *
+	 * @param string $key Cache key
+	 * @return void
+	 */
 	function delete($key){
 		if(!$this->handler) return false;
 		return $this->handler->delete($key);
 	}
 
+	/**
+	 * Return whether cache is valid or invalid
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, the data is invalid.
+	 * @return bool Return true on valid or false on invalid.
+	 */
 	function isValid($key, $modified_time){
 		if(!$this->handler) return false;
 		return $this->handler->isValid($key, $modified_time);
 	}
 
+	/**
+	 * Truncate all cache
+	 *
+	 * @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
+	 */
 	function truncate(){
 		if(!$this->handler) return false;
 		return $this->handler->truncate();
@@ -91,6 +159,10 @@ class CacheHandler extends Handler {
 	 *
 	 * The new key will be 2:document:123, thus forcing the document
 	 * to be reloaded from the database.
+	 *
+	 * @param string $keyGroupName Group name
+	 * @param string $key Cache key
+	 * @return string
 	 */
 	function getGroupKey($keyGroupName, $key){
 		if(!$this->keyGroupVersions[$keyGroupName]){
@@ -101,29 +173,77 @@ class CacheHandler extends Handler {
 		return $this->keyGroupVersions[$keyGroupName] . ':' . $keyGroupName . ':' . $key;
 	}
 
+	/**
+	 * Make invalid group key (like delete group key)
+	 *
+	 * @param string $keyGroupName Group name
+	 * @return void
+	 */
 	function invalidateGroupKey($keyGroupName){
 		$this->keyGroupVersions[$keyGroupName]++;
 		$this->handler->put('key_group_versions', $this->keyGroupVersions, 0);
 	}
 }
 
+/**
+ * Base class of Cache
+ *
+ * @author NHN (developer@xpressengine.com)
+ */
 class CacheBase{
+
+	/**
+	 * Get cached data
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, return false.
+	 * @return false|mixed Return false on failure or older then modified time. Return the string associated with the $key on success.
+	 */
 	function get($key, $modified_time = 0){
 		return false;
 	}
 
+	/**
+	 * Put data into cache
+	 *
+	 * @param string $key Cache key
+	 * @param mixed $obj	Value of a variable to store. $value supports all data types except resources, such as file handlers.
+	 * @param int $valid_time	Time for the variable to live in the cache in seconds.
+	 *							After the value specified in ttl has passed the stored variable will be deleted from the cache.
+	 *							If no ttl is supplied, use the default valid time.
+	 * @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
+	 */
 	function put($key, $obj, $valid_time = 0){
 		return false;
 	}
 
+	/**
+	 * Return whether cache is valid or invalid
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, the data is invalid.
+	 * @return bool Return true on valid or false on invalid.
+	 */
 	function isValid($key, $modified_time = 0){
 		return false;
 	}
 
+	/**
+	 * Return whether support or not support cache
+	 *
+	 * @return boolean
+	 */
 	function isSupport(){
 		return false;
 	}
 
+	/**
+	 * Truncate all cache
+	 *
+	 * @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
+	 */
 	function truncate(){
 		return false;
 	}

classes/cache/CacheMemcache.class.php

@@ -1,15 +1,28 @@
 <?php
 /**
- * @class CacheMemcache
+ * Cache class for memcache
+ *
  * @author NHN (developer@xpressengine.com)
- * @brief Memcache Handler
- * @version 0.1
  **/
-
 class CacheMemcache extends CacheBase {
+	/**
+	 * Default valid time
+	 * @var int
+	 */
 	var $valid_time = 36000;
+
+	/**
+	 * instance of Memcahe
+	 * @var Memcahe
+	 */
 	var $Memcache;
 
+	/**
+	 * Get instance of CacheMemcache
+	 *
+	 * @param string $url url of memcache
+	 * @return CacheMemcache instance of CacheMemcache
+	 */
 	function getInstance($url){
 		if(!$GLOBALS['__CacheMemcache__']) {
 			$GLOBALS['__CacheMemcache__'] = new CacheMemcache($url);
@@ -17,6 +30,13 @@ class CacheMemcache extends CacheBase {
 		return $GLOBALS['__CacheMemcache__'];
 	}
 
+	/**
+	 * Construct
+	 *
+	 * Do not use this directly. You can use getInstance() instead.
+	 * @param string $url url of memcache
+	 * @return void
+	 */
 	function CacheMemcache($url){
 		//$config['url'] = array('memcache://localhost:11211');
 		$config['url'] = is_array($url)?$url:array($url);
@@ -28,6 +48,11 @@ class CacheMemcache extends CacheBase {
 		}
 	}
 
+	/**
+	 * Return whether support or not support cache
+	 *
+	 * @return bool Return true on support or false on not support
+	 */
 	function isSupport(){
 		if($GLOBALS['XE_MEMCACHE_SUPPORT']) return true;
 		if($this->Memcache->set('xe', 'xe', MEMCACHE_COMPRESSED, 1)) {
@@ -38,16 +63,47 @@ class CacheMemcache extends CacheBase {
 		return $GLOBALS['XE_MEMCACHE_SUPPORT'];
 	}
 
+	/**
+	 * Get unique key of given key by path of XE
+	 *
+	 * @param string $key Cache key
+	 * @return string Return unique key
+	 */
 	function getKey($key){
 		return md5(_XE_PATH_.$key);
 	}
 
+	/**
+	 * Store data at the server
+	 *
+	 * CacheMemcache::put() stores an item $buff with $key on the memcached server.
+	 * Parameter $valid_time is expiration time in seconds. If it's 0, the item never expires
+	 * (but memcached server doesn't guarantee this item to be stored all the time, it could be delete from the cache to make place for other items).
+	 *
+	 * Remember that resource variables (i.e. file and connection descriptors) cannot be stored in the cache,
+	 * because they can not be adequately represented in serialized state.
+	 *
+	 * @param string $key The key that will be associated with the item.
+	 * @param mixed $buff The variable to store. Strings and integers are stored as is, other types are stored serialized.
+	 * @param int $valid_time 	Expiration time of the item.
+	 *							You can also use Unix timestamp or a number of seconds starting from current time, but in the latter case the number of seconds may not exceed 2592000 (30 days).
+	 *							If it's equal to zero, use the default valid time CacheMemcache::valid_time.
+	 * @return bool Returns true on success or false on failure.
+	 */
 	function put($key, $buff, $valid_time = 0){
 		if($valid_time == 0) $valid_time = $this->valid_time;
 
 		return $this->Memcache->set($this->getKey($key), array(time(), $buff), MEMCACHE_COMPRESSED, $valid_time);
 	}
 
+	/**
+	 * Return whether cache is valid or invalid
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, the data is invalid.
+	 * @return bool Return true on valid or false on invalid.
+	 */
 	function isValid($key, $modified_time = 0) {
 		$_key = $this->getKey($key);
 
@@ -63,6 +119,16 @@ class CacheMemcache extends CacheBase {
 		return true;
 	}
 
+	/**
+	 * Retrieve item from the server
+	 *
+	 * CacheMemcache::get() returns previously stored data if an item with such $key exists on the server at this moment.
+	 *
+	 * @param string $key The key to fetch
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, return false.
+	 * @return false|mixed Return false on failure or older then modified time. Return the string associated with the $key on success.
+	 */
 	function get($key, $modified_time = 0) {
 		$_key = $this->getKey($key);
 		$obj = $this->Memcache->get($_key);
@@ -78,15 +144,39 @@ class CacheMemcache extends CacheBase {
 		return $obj[1];
 	}
 
+	/**
+	 * Delete item from the server
+	 *
+	 * CacheMemcache::delete() deletes an item with tey $key.
+	 *
+	 * @param string $key The key associated with the item to delete.
+	 * @return void
+	 */
 	function delete($key) {
 		$_key = $this->getKey($key);
 		$this->_delete($_key);
 	}
 
+	/**
+	 * Delete item from the server(private)
+	 *
+	 * @see CacheMemcache::delete()
+	 * @param string $_key The key associated with the item to delete.
+	 * @return void
+	 */
 	function _delete($_key) {
 		$this->Memcache->delete($_key);
 	}
 
+	/**
+	 * Flush all existing items at the server
+	 *
+	 * CacheMemcache::truncate() immediately invalidates all existing items.
+	 * CacheMemcache::truncate() doesn't actually free any resources, it only marks all the items as expired,
+	 * so occupied memory will be overwitten by new items.
+	 *
+	 * @return bool Returns true on success or false on failure.
+	 */
 	function truncate() {
 		return $this->Memcache->flush();
 	}

classes/cache/CacheWincache.class.php

@@ -1,14 +1,24 @@
 <?php
 /**
- * @class CacheWincache
+ * Cache class for Wincache
+ *
+ * Wincache Handler
+ *
  * @author Arnia (support@xpressengine.org)
- * @brief Wincache Handler
- * @version 0.1
  **/
-
 class CacheWincache extends CacheBase {
+	/**
+	 * Default valid time
+	 * @var int
+	 */
 	var $valid_time = 36000;
 
+	/**
+	 * Get instance of CacheWincache
+	 *
+	 * @param void $opt Not used
+	 * @return CacheWincache instance of CacheWincache
+	 */
 	function getInstance($opt=null){
 		if(!$GLOBALS['__CacheWincache__']) {
 			$GLOBALS['__CacheWincache__'] = new CacheWincache();
@@ -16,18 +26,47 @@ class CacheWincache extends CacheBase {
 		return $GLOBALS['__CacheWincache__'];
 	}
 
+	/**
+	 * Constructor
+	 *
+	 * @return void
+	 */
 	function CacheWincache(){
 	}
 
+	/**
+	 * Return whether support or not support cache
+	 *
+	 * @return bool Return true on support or false on not support
+	 */
 	function isSupport(){
 		return function_exists('wincache_ucache_set');
 	}
 
+	/**
+	 * Adds a variable in user cache and overwrites a variable if it already exists in the cache
+	 *
+	 * @param string $key 	Store the variable using this $key value.
+	 *						If a variable with same $key is already present the function will overwrite the previous value with the new one.
+	 * @param mixed $buff	Value of a variable to store. $value supports all data types except resources, such as file handlers.
+	 * @param int $valid_time	Time for the variable to live in the cache in seconds.
+	 *							After the value specified in ttl has passed the stored variable will be deleted from the cache.
+	 *							If no ttl is supplied, use the default valid time CacheWincache::valid_time.
+	 * @return bool Returns true on success or false on failure.
+	 */
 	function put($key, $buff, $valid_time = 0){
 		if($valid_time == 0) $valid_time = $this->valid_time;
 		return wincache_ucache_set(md5(_XE_PATH_.$key), array(time(), $buff), $valid_time);
 	}
 
+	/**
+	 * Return whether cache is valid or invalid
+	 *
+	 * @param string $key Cache key
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, the data is invalid.
+	 * @return bool Return true on valid or false on invalid.
+	 */
 	function isValid($key, $modified_time = 0) {
 		$_key = md5(_XE_PATH_.$key);
 		$obj = wincache_ucache_get($_key, $success);
@@ -42,6 +81,14 @@ class CacheWincache extends CacheBase {
 		return true;
 	}
 
+	/**
+	 * Gets a variable stored in the user cache
+	 *
+	 * @param string $key The $key that was used to store the variable in the cache.
+	 * @param int $modified_time 	Unix time of data modified.
+	 *								If stored time is older then modified time, return false.
+	 * @return false|mixed Return false on failure or older then modified time. Return the string associated with the $key on success.
+	 */
 	function get($key, $modified_time = 0) {
 		$_key = md5(_XE_PATH_.$key);
 		$obj = wincache_ucache_get($_key, $success);
@@ -55,15 +102,32 @@ class CacheWincache extends CacheBase {
 		return $obj[1];
 	}
 
+	/**
+	 * Delete variable from the cache(private)
+	 *
+	 * @param string $_key Used to store the value.
+	 * @return void
+	 */
 	function _delete($_key) {
 		wincache_ucache_delete($_key);
 	}
 
+	/**
+	 * Delete variable from the cache
+	 *
+	 * @param string $key Used to store the value.
+	 * @return void
+	 */
 	function delete($key) {
 		$_key = md5(_XE_PATH_.$key);
 		$this->_delete($_key);
 	}
 
+	/**
+	 * Truncate all existing variables at the cache
+	 *
+	 * @return bool Returns true on success or false on failure.
+	 */
 	function truncate() {
 		return wincache_ucache_clear();
 	}

classes/context/Context.class.php

@@ -362,7 +362,8 @@ class Context {
 	function checkSSO() {
 		// pass if it's not GET request or XE is not yet installed
 		if($this->db_info->use_sso != 'Y' || isCrawler()) return true;
-		if(Context::getRequestMethod()!='GET' || !Context::isInstalled() || in_array(Context::get('act'),array('rss','atom'))) return true;
+		$checkActList = array('rss'=>1, 'atom'=>1);
+		if(Context::getRequestMethod()!='GET' || !Context::isInstalled() || isset($checkActList[Context::get('act')])) return true;
 
 		// pass if default URL is not set
 		$default_url = trim($this->db_info->default_url);
@@ -630,8 +631,8 @@ class Context {
 	function setResponseMethod($method='HTML') {
 		is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
 
-		$methods = array('HTML','XMLRPC','JSON');
-		$self->response_method = in_array($method, $methods)?$method:$methods[0];
+		$methods = array('HTML'=>1, 'XMLRPC'=>1, 'JSON'=>1);
+		$self->response_method = isset($methods[$method]) ? $method : 'HTML';
 	}
 
 	/*
@@ -644,9 +645,9 @@ class Context {
 		if($self->response_method) return $self->response_method;
 
 		$method  = $self->getRequestMethod();
-		$methods = array('HTML','XMLRPC','JSON');
+		$methods = array('HTML'=>1, 'XMLRPC'=>1, 'JSON'=>1);
 
-		return in_array($method, $methods)?$method:$methods[0];
+		return isset($methods[$method]) ? $method : 'HTML';
 	}
 
 	/**
@@ -727,19 +728,42 @@ class Context {
 	 * @return filtered value
 	 **/
 	function _filterRequestVar($key, $val, $do_stripslashes = 1) {
-		if( ($key == 'page' || $key == 'cpage' || substr($key,-3)=='srl')) return !preg_match('/^[0-9,]+$/',$val)?(int)$val:$val;
-		if($key == 'mid' || $key == 'vid' || $key == 'search_keyword') return htmlspecialchars($val);
-		if(is_array($val) && count($val) ) {
-			foreach($val as $k => $v) {
-				if($do_stripslashes && version_compare(PHP_VERSION, '5.9.0', '<') && get_magic_quotes_gpc()) $v = stripslashes($v);
-				$v = trim($v);
-				$val[$k] = $v;
-			}
-		} else {
-			if($do_stripslashes && version_compare(PHP_VERSION, '5.9.0', '<') && get_magic_quotes_gpc()) $val = stripslashes($val);
-			$val = trim($val);
+		$isArray = TRUE;
+		if(!is_array($val))
+		{
+			$isArray = FALSE;
+			$val = array($val);
+		}
+
+		foreach($val as $k => $v)
+		{
+			if($key === 'page' || $key === 'cpage' || substr($key, -3) === 'srl')
+			{
+				$val[$k] = !preg_match('/^[0-9,]+$/', $v) ? (int)$v : $v;
+			}
+			elseif($key === 'mid' || $key === 'vid' || $key === 'search_keyword')
+			{
+				$val[$k] = htmlspecialchars($v);
+			}
+			else
+			{
+				if($do_stripslashes && version_compare(PHP_VERSION, '5.9.0', '<') && get_magic_quotes_gpc())
+				{
+					$v = stripslashes($v);
+				}
+
+				$val[$k] = trim($v);
+			}
+		}
+
+		if($isArray)
+		{
+			return $val;
+		}
+		else
+		{
+			return $val[0];
 		}
-		return $val;
 	}
 
 	/**
@@ -891,7 +915,8 @@ class Context {
 				$key = $get_vars['key'];
 				$srl = $get_vars['document_srl'];
 
-				$is_feed = in_array($act, array('rss', 'atom', 'api'));
+				$tmpArray = array('rss'=>1, 'atom'=>1, 'api'=>1);
+				$is_feed = isset($tmpArray[$act]);
 
 				$target_map = array(
 					'vid'=>$vid,

classes/db/DB.class.php

@@ -1,18 +1,4 @@
 <?php
-    /**
-     * @class DB
-     * @author NHN (developers@xpressengine.com)
-     * @brief  base class of db* classes
-     * @version 0.1
-     *
-     * usage of db in XE is via xml
-     * there are 2 types of xml - query xml, schema xml
-     * in case of query xml, DB::executeQuery() method compiles xml file into php code and then execute it
-     * query xml has unique query id, and will be created in module
-     *
-     * queryid = module_name.query_name
-     **/
-
     if(!defined('__XE_LOADED_DB_CLASS__')){
         define('__XE_LOADED_DB_CLASS__', 1);
 
@@ -45,11 +31,31 @@
         require(_XE_PATH_.'classes/db/queryparts/Subquery.class.php');
     }
 
+	/**
+	 * - DB parent class
+	 * - usage of db in XE is via xml
+	 * - there are 2 types of xml - query xml, schema xml
+	 * - in case of query xml, DB::executeQuery() method compiles xml file into php code and then execute it
+	 * - query xml has unique query id, and will be created in module
+	 * - queryid = module_name.query_name
+	 *
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db
+	 * @version 0.1
+	 */
     class DB {
 
+		/**
+		 * count cache path
+		 * @var string
+		 */
         var $count_cache_path = 'files/cache/db';
 
-        var $cond_operation = array( ///< operations for condition
+		/**
+		 * operations for condition
+		 * @var array
+		 */
+        var $cond_operation = array(
             'equal' => '=',
             'more' => '>=',
             'excess' => '>',
@@ -60,35 +66,84 @@
             'null' => 'is null',
         );
 
-        var $master_db = NULL; // master database connection string
-        var $slave_db = NULL; // array of slave databases connection strings
+		/**
+		 * master database connection string
+		 * @var array
+		 */
+        var $master_db = NULL;
+		/**
+		 * array of slave databases connection strings
+		 * @var array
+		 */
+        var $slave_db = NULL;
 
-        var $result = NULL; ///< result
+        var $result = NULL;
 
-        var $errno = 0; ///< error code (0 means no error)
-        var $errstr = ''; ///< error message
-        var $query = ''; ///< query string of latest executed query
+		/**
+		 * error code (0 means no error)
+		 * @var int
+		 */
+        var $errno = 0;
+		/**
+		 * error message
+		 * @var string
+		 */
+        var $errstr = '';
+		/**
+		 * query string of latest executed query
+		 * @var string
+		 */
+        var $query = '';
         var $connection = '';
-        var $elapsed_time = 0; ///< elapsed time of latest executed query
-        var $elapsed_dbclass_time = 0; ///< elapsed time of latest executed query
+		/**
+		 * elapsed time of latest executed query
+		 * @var int
+		 */
+        var $elapsed_time = 0;
+		/**
+		 * elapsed time of latest executed DB class
+		 * @var int
+		 */
+        var $elapsed_dbclass_time = 0;
 
-        var $transaction_started = false; ///< transaction flag
+		/**
+		 * transaction flag
+		 * @var boolean
+		 */
+        var $transaction_started = false;
 
-        var $is_connected = false; ///< is db connected
+        var $is_connected = false;
 
-        var $supported_list = array(); ///< list of supported db, (will be written by classes/DB/DB***.class.php)
+		/**
+         * returns enable list in supported dbms list
+		 * will be written by classes/DB/DB***.class.php
+		 * @var array
+		 */
+        var $supported_list = array();
 
-        var $cache_file = 'files/cache/queries/'; ///< location of query cache
+		/**
+		 * location of query cache
+		 * @var string
+		 */
+        var $cache_file = 'files/cache/queries/';
 
-		var $db_type; ///< stores database type: 'mysql','cubrid','mssql' etc. or 'db' when database is not yet set
+		/**
+		 * stores database type: 'mysql','cubrid','mssql' etc. or 'db' when database is not yet set
+		 * @var string
+		 */
+		var $db_type;
 
-		var $use_prepared_statements; ///< flag to decide if class prepared statements or not (when supported); can be changed from db.config.info
+		/**
+		 * flag to decide if class prepared statements or not (when supported); can be changed from db.config.info
+		 * @var string
+		 */
+		var $use_prepared_statements;
 		
-        /**
-         * @brief returns instance of certain db type
-         * @param[in] $db_type type of db
-         * @return instance
-         **/
+		/**
+		 * returns instance of certain db type
+		 * @param string $db_type type of db
+		 * @return DB return DB object instance
+		 */
         function &getInstance($db_type = NULL) {
             if(!$db_type) $db_type = Context::getDBType();
             if(!$db_type && Context::isInstalled()) return new Object(-1, 'msg_db_not_setted');
@@ -108,32 +163,39 @@
             return $GLOBALS['__DB__'][$db_type];
         }
 
+		/**
+		 * returns instance of db
+		 * @return DB return DB object instance
+		 */
 		function create() {
 			return new DB;
 		}
 
         /**
-         * @brief constructor
-         * @return none
-         **/
+         * constructor
+         * @return void
+         */
         function DB() {
             $this->count_cache_path = _XE_PATH_.$this->count_cache_path;
             $this->cache_file = _XE_PATH_.$this->cache_file;
         }
 
         /**
-         * @brief returns list of supported db
-         * @return list of supported db
-         **/
+         * returns list of supported dbms list
+		 * this list return by directory list
+		 * check by instance can creatable
+         * @return array return supported DBMS list
+         */
         function getSupportedList() {
             $oDB = new DB();
             return $oDB->_getSupportedList();
         }
 
         /**
-         * @brief returns list of enable in supported db
-         * @return list of enable in supported db
-         **/
+         * returns enable list in supported dbms list
+		 * this list return by child class
+         * @return array return enable DBMS list in supported dbms list
+         */
         function getEnableList()
         {
                 if(!$this->supported_list)
@@ -152,9 +214,10 @@
         }
 
         /**
-         * @brief returns list of disable in supported db
-         * @return list of disable in supported db
-         **/
+         * returns list of disable in supported dbms list
+		 * this list return by child class
+         * @return array return disable DBMS list in supported dbms list
+         */
         function getDisableList()
         {
                 if(!$this->supported_list)
@@ -173,10 +236,17 @@
         }
 
         /**
-         * @brief returns list of supported db
-         * @return list of supported db
-         **/
+         * returns list of supported dbms list
+		 * this method is private
+         * @return array return supported DBMS list
+         */
         function _getSupportedList() {
+			static $get_supported_list = '';
+			if(is_array($get_supported_list)) {
+				$this->supported_list = $get_supported_list;
+				return $this->supported_list;
+			}
+			$get_supported_list = array();
             $db_classes_path = _XE_PATH_."classes/db/";
             $filter = "/^DB([^\.]+)\.class\.php/i";
             $supported_list = FileHandler::readDir($db_classes_path, $filter, true);
@@ -203,34 +273,37 @@
                 $obj->db_type = $db_type;
                 $obj->enable = $oDB->isSupported() ? true : false;
 
-                $this->supported_list[] = $obj;
+                $get_supported_list[] = $obj;
             }
-
+			$this->supported_list = $get_supported_list;
             return $this->supported_list;
         }
 
         /**
-         * @brief check if the db_type is supported
-         * @param[in] $db_type type of db to check
-         * @return true: is supported, false: is not supported
-         **/
+         * Return dbms supportable status
+		 * The value is set in the child class
+         * @return boolean true: is supported, false: is not supported
+         */
         function isSupported() {
 			return FALSE;
         }
 
         /**
-         * @brief check if is connected
-         * @return true: connected, false: not connected
-         **/
+         * Return connected status
+		 * @param string $type master or slave
+		 * @param int $indx key of server list
+         * @return boolean true: connected, false: not connected
+         */
         function isConnected($type = 'master', $indx = 0) {
             if($type == 'master') return $this->master_db["is_connected"] ? true : false;
             else return $this->slave_db[$indx]["is_connected"] ? true : false;
         }
 
         /**
-         * @brief start recording log
-         * @return none
-         **/
+         * start recording log
+		 * @param string $query query string
+         * @return void
+         */
         function actStart($query) {
             $this->setError(0, 'success');
             $this->query = $query;
@@ -239,9 +312,9 @@
         }
 
         /**
-         * @brief finish recording log
-         * @return none
-         **/
+         * finish recording log
+         * @return void
+         */
         function actFinish() {
             if(!$this->query) return;
             $this->act_finish = getMicroTime();
@@ -297,41 +370,43 @@
         }
 
         /**
-         * @brief set error
-         * @param[in] $errno error code
-         * @param[in] $errstr error message
-         * @return none
-         **/
+         * set error
+         * @param int $errno error code
+         * @param string $errstr error message
+         * @return void
+         */
         function setError($errno = 0, $errstr = 'success') {
             $this->errno = $errno;
             $this->errstr = $errstr;
         }
 
         /**
-         * @brief check if an error occured
-         * @return true: error, false: no error
-         **/
+         * Return error status
+         * @return boolean true: error, false: no error
+         */
         function isError() {
             return $this->errno === 0 ? false : true;
         }
 
         /**
-         * @brief returns object of error info
-         * @return object of error
-         **/
+         * Returns object of error info
+         * @return object object of error
+         */
         function getError() {
             $this->errstr = Context::convertEncodingStr($this->errstr);
             return new Object($this->errno, $this->errstr);
         }
 
         /**
-         * @brief Run the result of the query xml file
-         * @param[in] $query_id query id (module.queryname
-         * @param[in] $args arguments for query
-         * @return result of query
-         * @remarks this function finds xml file or cache file of $query_id, compiles it and then execute it
-         **/
+         * Execute Query that result of the query xml file
+         * This function finds xml file or cache file of $query_id, compiles it and then execute it
+         * @param string $query_id query id (module.queryname)
+         * @param array|object $args arguments for query
+         * @param array $arg_columns column list. if you want get specific colums from executed result, add column list to $arg_columns
+         * @return object result of query
+         */
         function executeQuery($query_id, $args = NULL, $arg_columns = NULL) {
+			static $cache_file = array();
             if(!$query_id) return new Object(-1, 'msg_invalid_queryid');
 			if(!$this->db_type) return;
 
@@ -339,49 +414,51 @@
 
 			$this->query_id = $query_id;
 
-            $id_args = explode('.', $query_id);
-            if(count($id_args) == 2) {
-                $target = 'modules';
-                $module = $id_args[0];
-                $id = $id_args[1];
-            } elseif(count($id_args) == 3) {
-                $target = $id_args[0];
-                if(!in_array($target, array('addons','widgets'))){
-		    $this->actDBClassFinish();
-		    return;
-		}
-                $module = $id_args[1];
-                $id = $id_args[2];
-            }
-            if(!$target || !$module || !$id){
-		$this->actDBClassFinish();
-		return new Object(-1, 'msg_invalid_queryid');
-	    }
+			if(!isset($cache_file[$query_id])) {
+				$id_args = explode('.', $query_id);
+				if(count($id_args) == 2) {
+					$target = 'modules';
+					$module = $id_args[0];
+					$id = $id_args[1];
+				} elseif(count($id_args) == 3) {
+					$target = $id_args[0];
+					$typeList = array('addons'=>1, 'widgets'=>1);
+					if(!isset($typeList[$target])){
+						$this->actDBClassFinish();
+						return;
+					}
+					$module = $id_args[1];
+					$id = $id_args[2];
+				}
+				if(!$target || !$module || !$id){
+					$this->actDBClassFinish();
+					return new Object(-1, 'msg_invalid_queryid');
+				}
 
-            $xml_file = sprintf('%s%s/%s/queries/%s.xml', _XE_PATH_, $target, $module, $id);
-            if(!file_exists($xml_file)){
-		$this->actDBClassFinish();
-		return new Object(-1, 'msg_invalid_queryid');
-	    }
+				$xml_file = sprintf('%s%s/%s/queries/%s.xml', _XE_PATH_, $target, $module, $id);
+				if(!file_exists($xml_file)){
+					$this->actDBClassFinish();
+					return new Object(-1, 'msg_invalid_queryid');
+				}
 
-            // look for cache file
-            $cache_file = $this->checkQueryCacheFile($query_id, $xml_file);
-	    $result = $this->_executeQuery($cache_file, $args, $query_id, $arg_columns);
+				// look for cache file
+				$cache_file[$query_id] = $this->checkQueryCacheFile($query_id, $xml_file);
+			}
+			$result = $this->_executeQuery($cache_file[$query_id], $args, $query_id, $arg_columns);
 
-	    $this->actDBClassFinish();
-            // execute query
-            return $result;
+			$this->actDBClassFinish();
+			// execute query
+			return $result;
         }
 
 
         /**
-         * @brief look for cache file
-         * @param[in] $query_id query id for finding
-         * @param[in] $xml_file original xml query file
-         * @return cache file
-         **/
+         * Look for query cache file
+         * @param string $query_id query id for finding
+         * @param string $xml_file original xml query file
+         * @return string cache file
+         */
         function checkQueryCacheFile($query_id,$xml_file){
-
             // first try finding cache file
             $cache_file = sprintf('%s%s%s.%s.%s.cache.php', _XE_PATH_, $this->cache_file, $query_id, __ZBXE_VERSION__, $this->db_type);
 
@@ -400,12 +477,13 @@
 
 
         /**
-         * @brief execute query and return the result
-         * @param[in] $cache_file cache file of query
-         * @param[in] $source_args arguments for query
-         * @param[in] $query_id query id
-         * @return result of query
-         **/
+         * Execute query and return the result
+         * @param string $cache_file cache file of query
+         * @param array|object $source_args arguments for query
+         * @param string $query_id query id
+         * @param array $arg_columns column list. if you want get specific colums from executed result, add column list to $arg_columns
+         * @return object result of query
+         */
         function _executeQuery($cache_file, $source_args, $query_id, $arg_columns) {
             global $lang;
 
@@ -420,6 +498,7 @@
             // execute appropriate query
             switch($output->getAction()) {
                 case 'insert' :
+                case 'insert-select' :
                         $this->resetCountCache($output->tables);
                         $output = $this->_executeInsertAct($output);
                     break;
@@ -449,11 +528,11 @@
 
 
         /**
-         * @brief returns counter cache data
-         * @param[in] $tables tables to get data
-         * @param[in] $condition condition to get data
-         * @return count of cache data
-         **/
+         * Returns counter cache data
+         * @param array|string $tables tables to get data
+         * @param string $condition condition to get data
+         * @return int count of cache data
+         */
         function getCountCache($tables, $condition) {
             return false;
             if(!$tables) return false;
@@ -483,12 +562,12 @@
         }
 
         /**
-         * @brief save counter cache data
-         * @param[in] $tables tables to save data
-         * @param[in] $condition condition to save data
-         * @param[in] $count count of cache data to save
-         * @return none
-         **/
+         * Save counter cache data
+         * @param array|string $tables tables to save data
+         * @param string $condition condition to save data
+         * @param int $count count of cache data to save
+         * @return void
+         */
         function putCountCache($tables, $condition, $count = 0) {
             return false;
             if(!$tables) return false;
@@ -508,10 +587,10 @@
         }
 
         /**
-         * @brief reset counter cache data
-         * @param[in] $tables tables to reset cache data
-         * @return true: success, false: failed
-         **/
+         * Reset counter cache data
+         * @param array|string $tables tables to reset cache data
+         * @return boolean true: success, false: failed
+         */
         function resetCountCache($tables) {
             return false;
             if(!$tables) return false;
@@ -528,9 +607,9 @@
         }
 
         /**
-         * @brief returns supported database list
-         * @return list of supported database
-         **/
+         * Returns supported database list
+         * @return array list of supported database
+         */
         function getSupportedDatabase(){
             $result = array();
 
@@ -545,12 +624,23 @@
             return $result;
         }
 
+		/**
+		 * Drop tables
+		 * @param string $table_name
+		 * @return void
+		 */
         function dropTable($table_name){
             if(!$table_name) return;
             $query = sprintf("drop table %s%s", $this->prefix, $table_name);
             $this->_query($query);
         }
 
+		/**
+		 * Return select query string
+		 * @param object $query
+		 * @param boolean $with_values
+		 * @return string
+		 */
     	function getSelectSql($query, $with_values = true){
 			$select = $query->getSelectString($with_values);
 			if($select == '') return new Object(-1, "Invalid query");
@@ -585,6 +675,13 @@
 		 	return $select . ' ' . $from . ' ' . $where . ' ' . $index_hint_list . ' ' . $groupBy . ' ' . $orderBy . ' ' . $limit;
 		}
 
+		/**
+		 * Return delete query string
+		 * @param object $query
+		 * @param boolean $with_values
+		 * @param boolean $with_priority
+		 * @return string
+		 */
    		function getDeleteSql($query, $with_values = true, $with_priority = false){
 			$sql = 'DELETE ';
 
@@ -603,6 +700,13 @@
 			return $sql;
 		}
 
+		/**
+		 * Return update query string
+		 * @param object $query
+		 * @param boolean $with_values
+		 * @param boolean $with_priority
+		 * @return string
+		 */
     	function getUpdateSql($query, $with_values = true, $with_priority = false){
 			$columnsList = $query->getUpdateString($with_values);
 			if($columnsList == '') return new Object(-1, "Invalid query");
@@ -618,6 +722,13 @@
 			return "UPDATE $priority $tables SET $columnsList ".$where;
 		}
 
+		/**
+		 * Return insert query string
+		 * @param object $query
+		 * @param boolean $with_values
+		 * @param boolean $with_priority
+		 * @return string
+		 */
     	function getInsertSql($query, $with_values = true, $with_priority = false){
 			$tableName = $query->getFirstTableName();
 			$values = $query->getInsertString($with_values);
@@ -626,12 +737,22 @@
 			return "INSERT $priority INTO $tableName \n $values";
 		}
 
+		/**
+		 * Return index from slave server list
+		 * @return int
+		 */
         function _getSlaveConnectionStringIndex() {
             $max = count($this->slave_db);
             $indx = rand(0, $max - 1);
             return $indx;
         }
 
+		/**
+		 * Return connection resource
+		 * @param string $type use 'master' or 'slave'. default value is 'master'
+		 * @param int $indx if indx value is NULL, return rand number in slave server list
+		 * @return resource
+		 */
         function _getConnection($type = 'master', $indx = NULL){
             if($type == 'master'){
                 if(!$this->master_db['is_connected'])
@@ -650,6 +771,10 @@
             return $this->slave_db[$indx]["resource"];
         }
 
+		/**
+		 * check db information exists
+		 * @return boolean
+		 */
         function _dbInfoExists() {
             if (!$this->master_db)
                 return false;
@@ -658,13 +783,22 @@
             return true;
         }
 
+		/**
+		 * DB disconnection
+		 * this method is protected
+		 * @param resource $connection
+		 * @return void
+		 */
         function _close($connection){
 
         }
 
-        /**
-         * @brief DB disconnection
-         * */
+		/**
+		 * DB disconnection
+		 * @param string $type 'master' or 'slave'
+		 * @param int $indx number in slave dbms server list
+		 * @return void
+		 */
         function close($type = 'master', $indx = 0) {
             if (!$this->isConnected($type, $indx))
                 return;
@@ -679,12 +813,19 @@
             $connection["is_connected"] = false;
         }
 
+		/**
+		 * DB transaction start
+		 * this method is protected
+		 * @return boolean
+		 */
         function _begin(){
             return true;
         }
-        /**
-         * @brief Begin transaction
-         * */
+
+		/**
+		 * DB transaction start
+		 * @return void
+		 */
         function begin() {
             if (!$this->isConnected() || $this->transaction_started)
                 return;
@@ -693,13 +834,19 @@
                  $this->transaction_started = true;
         }
 
+		/**
+		 * DB transaction rollback
+		 * this method is protected
+		 * @return boolean
+		 */
         function _rollback(){
             return true;
         }
 
-        /**
-         * @brief Rollback
-         * */
+		/**
+		 * DB transaction rollback
+		 * @return void
+		 */
         function rollback() {
             if (!$this->isConnected() || !$this->transaction_started)
                 return;
@@ -707,12 +854,20 @@
                 $this->transaction_started = false;
         }
 
+		/**
+		 * DB transaction commit
+		 * this method is protected
+		 * @return boolean
+		 */
         function _commit(){
             return true;
         }
-        /**
-         * @brief Commits
-         * */
+
+		/**
+		 * DB transaction commit
+		 * @param boolean $force regardless transaction start status or connect status, forced to commit
+		 * @return void
+		 */
         function commit($force = false) {
             if (!$force && (!$this->isConnected() || !$this->transaction_started))
                 return;
@@ -720,18 +875,24 @@
                 $this->transaction_started = false;
         }
 
+		/**
+		 * Execute the query
+		 * this method is protected
+		 * @param string $query
+		 * @param resource $connection
+		 * @return void
+		 */
         function __query($query, $connection){
 
         }
-        /**
-         * @brief : Run a query and fetch the result
-         *
-         * query: run a query and return the result \n
-         * fetch: NULL if no value is returned \n
-         *        array object if rows are returned \n
-         *        object if a row is returned \n
-         *         return\n
-         * */
+
+		/**
+		 * Execute the query
+		 * this method is protected
+		 * @param string $query
+		 * @param resource $connection
+		 * @return resource
+		 */
         function _query($query, $connection = null) {
             if($connection == null)
                 $connection = $this->_getConnection('master');
@@ -747,9 +908,11 @@
             return $result;
         }
 
-        /**
-         * @brief DB settings and connect/close
-         * */
+		/**
+		 * DB info settings
+		 * this method is protected
+		 * @return void
+		 */
         function _setDBInfo(){
             $db_info = Context::getDBInfo();
             $this->master_db = $db_info->master_db;
@@ -766,16 +929,33 @@
 			$this->use_prepared_statements = $db_info->use_prepared_statements;
         }
 
+		/**
+		 * DB Connect
+		 * this method is protected
+		 * @param array $connection
+		 * @return void
+		 */
         function __connect($connection){
 
         }
 
+		/**
+		 * If have a task after connection, add a taks in this method
+		 * this method is protected
+		 * @param resource $connection
+		 * @return void
+		 */
         function _afterConnect($connection){
 
         }
-        /**
-         * @brief DB Connection
-         * */
+
+		/**
+		 * DB Connect
+		 * this method is protected
+		 * @param string $type 'master' or 'slave'
+		 * @param int $indx number in slave dbms server list
+		 * @return void
+		 */
         function _connect($type = 'master', $indx = 0) {
             if ($this->isConnected($type, $indx))
                 return;
@@ -804,20 +984,21 @@
 
             $this->_afterConnect($result);
         }
-	/**
-         * @brief start recording DBClass log
-         * @return none
-         **/
+
+		/**
+		 * Start recording DBClass log
+		 * @return void
+		 */
         function actDBClassStart() {
             $this->setError(0, 'success');
             $this->act_dbclass_start = getMicroTime();
             $this->elapsed_dbclass_time = 0;
         }
 
-        /**
-         * @brief finish recording DBClass log
-         * @return none
-         **/
+		/**
+		 * Finish recording DBClass log
+		 * @return void
+		 */
         function actDBClassFinish() {
             if(!$this->query) return;
             $this->act_dbclass_finish = getMicroTime();
@@ -826,14 +1007,16 @@
             $GLOBALS['__dbclass_elapsed_time__'] += $elapsed_dbclass_time;
         }
 
-        /**
-         * Returns a database specific parser class
-         * used for escaping expressions and table/column identifiers
-         *
-         * Requires an implementation of the DB class (won't work if database is not set)
-         *
-         * @remarks singleton
-         */
+		/**
+		 * Returns a database specific parser instance
+		 * used for escaping expressions and table/column identifiers
+		 *
+		 * Requires an implementation of the DB class (won't work if database is not set)
+         * this method is singleton
+		 *
+		 * @param boolean $force force load DBParser instance
+		 * @return DBParser
+		 */
        function &getParser($force = false){
             static $dbParser = null;
             if(!$dbParser || $force) {

classes/db/DBCubrid.class.php

@@ -1,28 +1,34 @@
 <?php
 	/**
-	 * @class DBCubrid
-	 * @author NHN (developers@xpressengine.com)
-	 * @brief Cubrid DBMS to use the class
-	 * @version 1.0
+	 * - DB child class
+	 * - Cubrid DBMS to use the class
+	 * - Works with CUBRID up to 8.4.1
 	 *
-	 * Works with CUBRID up to 8.4.1
-	 **/
-
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db
+	 * @version 0.1
+	 */
 	class DBCubrid extends DB
 	{
 
 		/**
-		 * @brief CUBRID DB connection information
-		 **/
-		var $prefix = 'xe_'; // / <prefix of XE tables(One more XE can be installed on a single DB)
-		var $cutlen = 12000; // /< max size of constant in CUBRID(if string is larger than this, '...'+'...' should be used)
+		 * prefix of XE tables(One more XE can be installed on a single DB)
+		 * @var string
+		 */
+		var $prefix = 'xe_';
+		/**
+		 * max size of constant in CUBRID(if string is larger than this, '...'+'...' should be used)
+		 * @var int
+		 */
+		var $cutlen = 12000;
 		var $comment_syntax = '/* %s */';
 
 		/**
-		 * @brief column type used in CUBRID
+		 * column type used in CUBRID
 		 *
 		 * column_type should be replaced for each DBMS's type
 		 * becasue it uses commonly defined type in the schema/query xml
+		 * @var array
 		 **/
 		var $column_type = array(
 			'bignumber' => 'numeric(20)',
@@ -37,8 +43,9 @@
 		);
 
 		/**
-		 * @brief constructor
-		 **/
+		 * constructor
+		 * @return void
+		 */
 		function DBCubrid()
 		{
 			$this->_setDBInfo();
@@ -46,7 +53,8 @@
 		}
 
 		/**
-		 * @brief create an instance of this class
+		 * Create an instance of this class
+		 * @return DBCubrid return DBCubrid object instance
 		 */
 		function create()
 		{
@@ -54,8 +62,10 @@
 		}
 
 		/**
-		 * @brief Return if installable
-		 **/
+		 * Return if supportable
+		 * Check 'cubrid_connect' function exists.
+		 * @return boolean
+		 */
 		function isSupported()
 		{
 			if (!function_exists('cubrid_connect')) return false;
@@ -63,8 +73,11 @@
 		}
 
 		/**
-		 * @brief DB Connection
-		 **/
+		 * DB Connect
+		 * this method is private
+		 * @param array $connection connection's value is db_hostname, db_port, db_database, db_userid, db_password
+		 * @return resource
+		 */
 		function __connect($connection)
 		{
             // attempts to connect
@@ -90,8 +103,11 @@
 		}
 
 		/**
-		 * @brief DB disconnect
-		 **/
+		 * DB disconnection
+		 * this method is private
+		 * @param resource $connection
+		 * @return void
+		 */
 		function _close($connection)
 		{
 			@cubrid_commit ($connection);
@@ -100,8 +116,10 @@
 		}
 
 		/**
-		 * @brief handles quatation of the string variables from the query
-		 **/
+		 * Handles quatation of the string variables from the query
+		 * @param string $string
+		 * @return string
+		 */
 		function addQuotes($string)
 		{
 			if (version_compare (PHP_VERSION, "5.9.0", "<") &&
@@ -126,8 +144,10 @@
 		}
 
 		/**
-		 * @brief Begin transaction
-		 **/
+		 * DB transaction start
+		 * this method is private
+		 * @return boolean
+		 */
 		function _begin()
 		{
 			if(__CUBRID_VERSION__ >= '8.4.0')
@@ -139,8 +159,10 @@
 		}
 
 		/**
-		 * @brief Rollback
-		 **/
+		 * DB transaction rollback
+		 * this method is private
+		 * @return boolean
+		 */
 		function _rollback()
 		{
             $connection = $this->_getConnection('master');
@@ -149,8 +171,10 @@
 		}
 
 		/**
-		 * @brief Commit
-		 **/
+		 * DB transaction commit
+		 * this method is private
+		 * @return boolean
+		 */
 		function _commit()
 		{
 			$connection = $this->_getConnection('master');
@@ -159,14 +183,12 @@
 		}
 
 		/**
-		 * @brief : executing the query and fetching the result
-		 *
-		 * query: run a query and return the result\n
-		 * fetch: NULL if no value returned \n
-		 *		array object if rows returned \n
-		 *		object if a row returned \n
-		 *		return\n
-		 **/
+		 * Execute the query
+		 * this method is private
+		 * @param string $query
+		 * @param resource $connection
+		 * @return resource
+		 */
 		function __query($query, $connection)
 		{
 			if($this->use_prepared_statements == 'Y')
@@ -232,8 +254,11 @@
 		}
 
 		/**
-		 * @brief Fetch the result
-		 **/
+		 * Fetch the result
+		 * @param resource $result
+		 * @param int|NULL $arrayIndexEndValue
+		 * @return array
+		 */
 		function _fetch($result, $arrayIndexEndValue = NULL)
 		{
 			$output = array();
@@ -281,8 +306,10 @@
 		}
 
 		/**
-		 * @brief return the sequence value incremented by 1(auto_increment column only used in the CUBRID sequence table)
-		 **/
+		 * Return the sequence value incremented by 1
+		 * Auto_increment column only used in the CUBRID sequence table
+		 * @return int
+		 */
 		function getNextSequence()
 		{
 			$this->_makeSequence();
@@ -295,8 +322,9 @@
 		}
 
 		/**
-		 * @brief return if the table already exists
-		 **/
+		 * if the table already exists, set the status to GLOBALS
+		 * @return void
+		 */
 		function _makeSequence()
 		{
 			if($_GLOBALS['XE_EXISTS_SEQUENCE']) return;
@@ -337,8 +365,10 @@
 
 
 		/**
-		 * brief return a table if exists
-		 **/
+		 * Check a table exists status
+		 * @param string $target_name
+		 * @return boolean
+		 */
 		function isTableExists ($target_name)
 		{
 			if($target_name == 'sequence') {
@@ -362,8 +392,15 @@
 		}
 
 		/**
-		 * @brief add a column to the table
-		 **/
+		 * Add a column to the table
+		 * @param string $table_name table name
+		 * @param string $column_name column name
+		 * @param string $type column type, default value is 'number'
+		 * @param int $size column size
+		 * @param string|int $default default value
+		 * @param boolean $notnull not null status, default value is false
+		 * @return void
+		 */
 		function addColumn($table_name, $column_name, $type = 'number', $size = '', $default = '', $notnull = false)
 		{
 			$type = strtoupper($this->column_type[$type]);
@@ -397,8 +434,11 @@
 		}
 
 		/**
-		 * @brief drop a column from the table
-		 **/
+		 * Drop a column from the table
+		 * @param string $table_name table name
+		 * @param string $column_name column name
+		 * @return void
+		 */
 		function dropColumn ($table_name, $column_name)
 		{
 			$query = sprintf ("alter class \"%s%s\" drop \"%s\" ", $this->prefix, $table_name, $column_name);
@@ -407,8 +447,11 @@
 		}
 
 		/**
-		 * @brief return column information of the table
-		 **/
+		 * Check column exist status of the table
+		 * @param string $table_name table name
+		 * @param string $column_name column name
+		 * @return boolean
+		 */
 		function isColumnExists ($table_name, $column_name)
 		{
 			$query = sprintf ("select \"attr_name\" from \"db_attribute\" where ".  "\"attr_name\" ='%s' and \"class_name\" = '%s%s'", $column_name, $this->prefix, $table_name);
@@ -423,10 +466,15 @@
 		}
 
 		/**
-		 * @brief add an index to the table
+		 * Add an index to the table
 		 * $target_columns = array(col1, col2)
 		 * $is_unique? unique : none
-		 **/
+		 * @param string $table_name table name
+		 * @param string $index_name index name
+		 * @param string|array $target_columns target column or columns
+		 * @param boolean $is_unique
+		 * @return void
+		 */
 		function addIndex ($table_name, $index_name, $target_columns, $is_unique = false)
 		{
 			if (!is_array ($target_columns)) {
@@ -439,8 +487,12 @@
 		}
 
 		/**
-		 * @brief drop an index from the table
-		 **/
+		 * Drop an index from the table
+		 * @param string $table_name table name
+		 * @param string $index_name index name
+		 * @param boolean $is_unique
+		 * @return void
+		 */
 		function dropIndex ($table_name, $index_name, $is_unique = false)
 		{
 			$query = sprintf ("drop %s index \"%s\" on \"%s%s\"", $is_unique?'unique':'', $this->prefix .$index_name, $this->prefix, $table_name);
@@ -449,8 +501,11 @@
 		}
 
 		/**
-		 * @brief return index information of the table
-		 **/
+		 * Check index status of the table
+		 * @param string $table_name table name
+		 * @param string $index_name index name
+		 * @return boolean
+		 */
 		function isIndexExists ($table_name, $index_name)
 		{
 			$query = sprintf ("select \"index_name\" from \"db_index\" where ".  "\"class_name\" = '%s%s' and \"index_name\" = '%s' ", $this->prefix, $table_name, $this->prefix .$index_name);
@@ -464,6 +519,10 @@
 			return true;
 		}
 
+		/**
+		 * Delete duplicated index of the table
+		 * @return boolean
+		 */
         function deleteDuplicateIndexes()
         {
             $query = sprintf("
@@ -507,16 +566,20 @@
         }
 
 		/**
-		 * @brief creates a table by using xml file
-		 **/
+		 * Creates a table by using xml contents
+		 * @param string $xml_doc xml schema contents
+		 * @return void|object
+		 */
 		function createTableByXml ($xml_doc)
 		{
 			return $this->_createTable ($xml_doc);
 		}
 
 		/**
-		 * @brief creates a table by using xml file
-		 **/
+		 * Creates a table by using xml file path
+		 * @param string $file_name xml schema file path
+		 * @return void|object
+		 */
 		function createTableByXmlFile ($file_name)
 		{
 			if (!file_exists ($file_name)) return;
@@ -526,12 +589,14 @@
 		}
 
 		/**
-		 * @brief create table by using the schema xml
+		 * Create table by using the schema xml
 		 *
 		 * type : number, varchar, tinytext, text, bigtext, char, date, \n
 		 * opt : notnull, default, size\n
 		 * index : primary key, index, unique\n
-		 **/
+		 * @param string $xml_doc xml schema contents
+		 * @return void|object
+		 */
 		function _createTable ($xml_doc)
 		{
 			// xml parsing
@@ -645,8 +710,11 @@
 
 
 		/**
-		 * @brief handles insertAct
-		 **/
+		 * Handles insertAct
+		 * @param Object $queryObject
+		 * @param boolean $with_values
+		 * @return resource
+		 */
 		function _executeInsertAct($queryObject, $with_values = true)
 		{
 			if($this->use_prepared_statements == 'Y')
@@ -668,8 +736,11 @@
 		}
 
 		/**
-		 * @brief handles updateAct
-		 **/
+		 * Handles updateAct
+		 * @param Object $queryObject
+		 * @param boolean $with_values
+		 * @return resource
+		 */
 		function _executeUpdateAct($queryObject, $with_values = true)
 		{
 			if($this->use_prepared_statements == 'Y')
@@ -689,8 +760,11 @@
 
 
 		/**
-		 * @brief handles deleteAct
-		 **/
+		 * Handles deleteAct
+		 * @param Object $queryObject
+		 * @param boolean $with_values
+		 * @return resource
+		 */
 		function _executeDeleteAct($queryObject, $with_values = true)
 		{
 			if($this->use_prepared_statements == 'Y')
@@ -710,11 +784,14 @@
 		}
 
 		/**
-		 * @brief Handle selectAct
-		 *
-		 * to get a specific page list easily in select statement,\n
+		 * Handle selectAct
+		 * To get a specific page list easily in select statement,
 		 * a method, navigation, is used
-		 **/
+		 * @param Object $queryObject
+		 * @param resource $connection
+		 * @param boolean $with_values
+		 * @return Object
+		 */
 	   function _executeSelectAct($queryObject, $connection = null, $with_values = true) {
 			if ($this->use_prepared_statements == 'Y') {
 				$this->param = $queryObject->getArguments();
@@ -745,6 +822,11 @@
 			}
 		}
 
+		/**
+		 * If have a error, return error object
+		 * @param Object $queryObject
+		 * @return Object
+		 */
 		function queryError($queryObject){
                         $limit = $queryObject->getLimit();
 			if ($limit && $limit->isPageHandler()){
@@ -759,6 +841,13 @@
 					return;
 		}
 
+		/**
+		 * If select query execute, return page info
+		 * @param Object $queryObject
+		 * @param resource $connection
+		 * @param boolean $with_values
+		 * @return Object Object with page info containing
+		 */
 		function queryPageLimit($queryObject, $connection, $with_values){
             $limit = $queryObject->getLimit();
 		 	// Total count
@@ -834,11 +923,23 @@
 			return $buff;
 		}
 
-		function &getParser($force = FALSE){
-			$dbParser = new DBParser('"', '"', $this->prefix);
-			return $dbParser;
+		/**
+		 * Return the DBParser
+		 * @param boolean $force
+		 * @return DBParser
+		 */
+		function getParser($force = FALSE){
+			return new DBParser('"', '"', $this->prefix);
 		}
 
+		/**
+		 * If select query execute, return paging sql
+		 * @param object $query
+		 * @param boolean $with_values
+		 * @param int $start_count
+		 * @param int $list_count
+		 * @return string select paging sql
+		 */
                 function getSelectPageSql($query, $with_values = true, $start_count = 0, $list_count = 0) {
 
                     $select = $query->getSelectString($with_values);

classes/db/DBMssql.class.php

@@ -1,27 +1,30 @@
 <?php
 
     /**
-     * @class DBMSSQL
+     * - DBMSSQL
+     * - Modified to use MSSQL driver by sol (sol@ngleader.com)
+	 *
      * @author NHN (developers@xpressengine.com)
-     * @brief Modified to use MSSQL driver by sol (sol@ngleader.com)
+	 * @package /classes/db
      * @version 0.1
      **/
-
     class DBMssql extends DB {
 
         /**
-         * information to connect to DB
-         **/
-        var $prefix		= 'xe'; // / <prefix of XE tables(One more XE can be installed on a single DB)
+		 * prefix of XE tables(One more XE can be installed on a single DB)
+		 * @var string
+         */
+        var $prefix		= 'xe';
         var $param		= array();
         var $comment_syntax = '/* %s */';
 
         /**
-         * @brief column type used in mssql
+         * column type used in mssql
          *
          * column_type should be replaced for each DBMS's type
          * becasue it uses commonly defined type in the schema/query xml
-         **/
+		 * @var array
+         */
         var $column_type = array(
             'bignumber' => 'bigint',
             'number' => 'int',
@@ -34,32 +37,39 @@
         );
 
         /**
-         * @brief constructor
-         **/
+         * Constructor
+		 * @return void
+         */
         function DBMssql() {
             $this->_setDBInfo();
             $this->_connect();
         }
 
 		/**
-		 * @brief create an instance of this class
+		 * Create an instance of this class
+		 * @return DBMssql return DBMssql object instance
 		 */
 		function create()
 		{
 			return new DBMssql;
 		}
 
-        /**
-         * @brief Return if installable
-         **/
+		/**
+		 * Return if supportable
+		 * Check 'sqlsrv' extension loaded.
+		 * @return boolean
+		 */
         function isSupported() {
             if (!extension_loaded("sqlsrv")) return false;
             return true;
         }
 
-        /**
-         * @brief DB Connection
-         **/
+		/**
+		 * DB Connect
+		 * this method is private
+		 * @param array $connection connection's value is db_hostname, db_database, db_userid, db_password
+		 * @return resource
+		 */
         function __connect($connection) {
             //sqlsrv_configure( 'WarningsReturnAsErrors', 0 );
             //sqlsrv_configure( 'LogSeverity', SQLSRV_LOG_SEVERITY_ALL );
@@ -75,18 +85,23 @@
             return $result;
         }
 
-        /**
-         * @brief DB disconnect
-         **/
+		/**
+		 * DB disconnection
+		 * this method is private
+		 * @param resource $connection
+		 * @return void
+		 */
         function _close($connection) {
             $this->commit();
             sqlsrv_close($connection);
         }
 
-        /**
-         * @brief handles quatation of the string variables from the query
-         **/
-        // TODO See what to do about this
+		/**
+		 * Handles quatation of the string variables from the query
+		 * @todo See what to do about this
+		 * @param string $string
+		 * @return string
+		 */
         function addQuotes($string) {
             if(version_compare(PHP_VERSION, "5.9.0", "<") && get_magic_quotes_gpc()) $string = stripslashes(str_replace("\\","\\\\",$string));
             //if(!is_numeric($string)) $string = str_replace("'","''",$string);
@@ -94,42 +109,46 @@
             return $string;
         }
 
-        /**
-         * @brief Begin transaction
-         **/
+		/**
+		 * DB transaction start
+		 * this method is private
+		 * @return boolean
+		 */
         function _begin() {
             $connection = $this->_getConnection('master');
             if(sqlsrv_begin_transaction($connection) === false) return;
             return true;
         }
 
-        /**
-         * @brief Rollback
-         **/
+		/**
+		 * DB transaction rollback
+		 * this method is private
+		 * @return boolean
+		 */
         function _rollback() {
             $connection = $this->_getConnection('master');
             sqlsrv_rollback($connection);
             return true;
         }
 
-        /**
-         * @brief Commit
-         **/
+		/**
+		 * DB transaction commit
+		 * this method is private
+		 * @return boolean
+		 */
         function _commit() {
             $connection = $this->_getConnection('master');
             sqlsrv_commit($connection);
             return true;
         }
 
-        /**
-         * @brief : executing the query and fetching the result
-         *
-         * query: run a query and return the result\n
-         * fetch: NULL if no value returned \n
-         *        array object if rows returned \n
-         *        object if a row returned \n
-         *        return\n
-         **/
+		/**
+		 * Execute the query
+		 * this method is private
+		 * @param string $query
+		 * @param resource $connection
+		 * @return resource|boolean Returns a statement resource on success and FALSE if an error occurred.
+		 */
         function __query($query, $connection) {
             $_param = array();
 
@@ -183,6 +202,8 @@
 		 * Parameters are sent as an array, where each parameter can be:
 		 *	- a PHP variable (by reference)
 		 *	- a PHP array (containng param value, type and direction) -> also needs to be sent by reference
+		 * @param array $_param
+		 * @return array
 		 */
 		function _getParametersByReference($_param) 
 		{
@@ -206,9 +227,12 @@
 			return $args;
 		}
 
-        /**
-         * @brief Fetch results
-         **/
+		/**
+		 * Fetch results
+		 * @param resource $result
+		 * @param int|NULL $arrayIndexEndValue
+		 * @return array
+		 */
         function _fetch($result, $arrayIndexEndValue = NULL) {
 			$output = array();
 			if(!$this->isConnected() || $this->isError() || !$result) return $output;
@@ -234,9 +258,11 @@
 
         }
 
-        /**
-         * @brief Return sequence value incremented by 1(auto_increment is usd in the sequence table only)
-         **/
+		/**
+		 * Return the sequence value incremented by 1
+		 * Auto_increment column only used in the sequence table
+		 * @return int
+		 */
         function getNextSequence() {
             $query = sprintf("insert into %ssequence (seq) values (ident_incr('%ssequence'))", $this->prefix, $this->prefix);
 			$this->_query($query);
@@ -249,9 +275,11 @@
             return $tmp->sequence;
         }
 
-        /**
-         * @brief Return if a table already exists
-         **/
+		/**
+		 * Check a table exists status
+		 * @param string $target_name
+		 * @return boolean
+		 */
         function isTableExists($target_name) {
             $query = sprintf("select name from sysobjects where name = '%s%s' and xtype='U'", $this->prefix, $this->addQuotes($target_name));
             $result = $this->_query($query);
@@ -261,9 +289,16 @@
             return true;
         }
 
-        /**
-         * @brief Add a column to a table
-         **/
+		/**
+		 * Add a column to the table
+		 * @param string $table_name table name
+		 * @param string $column_name column name
+		 * @param string $type column type, default value is 'number'
+		 * @param int $size column size
+		 * @param string|int $default default value
+		 * @param boolean $notnull not null status, default value is false
+		 * @return void
+		 */
         function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
 			if($this->isColumnExists($table_name, $column_name)) return;
             $type = $this->column_type[$type];
@@ -278,18 +313,24 @@
             $this->_query($query);
         }
 
-        /**
-         * @brief Delete a column from a table
-         **/
+		/**
+		 * Drop a column from the table
+		 * @param string $table_name table name
+		 * @param string $column_name column name
+		 * @return void
+		 */
         function dropColumn($table_name, $column_name) {
 			if(!$this->isColumnExists($table_name, $column_name)) return;
             $query = sprintf("alter table %s%s drop %s ", $this->prefix, $table_name, $column_name);
             $this->_query($query);
         }
 
-        /**
-         * @brief Return column information of a table
-         **/
+		/**
+		 * Check column exist status of the table
+		 * @param string $table_name table name
+		 * @param string $column_name column name
+		 * @return boolean
+		 */
         function isColumnExists($table_name, $column_name) {
             $query = sprintf("select syscolumns.name as name from syscolumns, sysobjects where sysobjects.name = '%s%s' and sysobjects.id = syscolumns.id and syscolumns.name = '%s'", $this->prefix, $table_name, $column_name);
             $result = $this->_query($query);
@@ -299,11 +340,16 @@
             return true;
         }
 
-        /**
-         * @brief Add an index to a table
-         * $target_columns = array(col1, col2)
-         * $is_unique? unique : none
-         **/
+		/**
+		 * Add an index to the table
+		 * $target_columns = array(col1, col2)
+		 * $is_unique? unique : none
+		 * @param string $table_name table name
+		 * @param string $index_name index name
+		 * @param string|array $target_columns target column or columns
+		 * @param boolean $is_unique
+		 * @return void
+		 */
         function addIndex($table_name, $index_name, $target_columns, $is_unique = false) {
 			if($this->isIndexExists($table_name, $index_name)) return;
             if(!is_array($target_columns)) $target_columns = array($target_columns);
@@ -312,18 +358,25 @@
             $this->_query($query);
         }
 
-        /**
-         * @brief Drop an index from a table
-         **/
+		/**
+		 * Drop an index from the table
+		 * @param string $table_name table name
+		 * @param string $index_name index name
+		 * @param boolean $is_unique
+		 * @return void
+		 */
         function dropIndex($table_name, $index_name, $is_unique = false) {
 			if(!$this->isIndexExists($table_name, $index_name)) return;
             $query = sprintf("drop index %s%s.%s", $this->prefix, $table_name, $index_name);
             $this->_query($query);
         }
 
-        /**
-         * @brief Return index information of a table
-         **/
+		/**
+		 * Check index status of the table
+		 * @param string $table_name table name
+		 * @param string $index_name index name
+		 * @return boolean
+		 */
         function isIndexExists($table_name, $index_name) {
             $query = sprintf("select sysindexes.name as name from sysindexes, sysobjects where sysobjects.name = '%s%s' and sysobjects.id = sysindexes.id and sysindexes.name = '%s'", $this->prefix, $table_name, $index_name);
 
@@ -335,16 +388,20 @@
             return true;
         }
 
-        /**
-         * @brief Create a table by using xml file
-         **/
+		/**
+		 * Creates a table by using xml contents
+		 * @param string $xml_doc xml schema contents
+		 * @return void|object
+		 */
         function createTableByXml($xml_doc) {
             return $this->_createTable($xml_doc);
         }
 
-        /**
-         * @brief Create a table by using xml file
-         **/
+		/**
+		 * Creates a table by using xml file path
+		 * @param string $file_name xml schema file path
+		 * @return void|object
+		 */
         function createTableByXmlFile($file_name) {
             if(!file_exists($file_name)) return;
             // read xml file
@@ -352,13 +409,15 @@
             return $this->_createTable($buff);
         }
 
-        /**
-         * @brief generate a query statement to create a table by using schema xml
-         *
-         * type : number, varchar, text, char, date, \n
-         * opt : notnull, default, size\n
-         * index : primary key, index, unique\n
-         **/
+		/**
+		 * Create table by using the schema xml
+		 *
+		 * type : number, varchar, tinytext, text, bigtext, char, date, \n
+		 * opt : notnull, default, size\n
+		 * index : primary key, index, unique\n
+		 * @param string $xml_doc xml schema contents
+		 * @return void|object
+		 */
         function _createTable($xml_doc) {
             // xml parsing
             $oXml = new XmlParser();
@@ -381,6 +440,7 @@
 		$unique_list = array();
 		$index_list = array();
 
+				$typeList = array('number'=>1, 'text'=>1);
                 foreach($columns as $column) {
                     $name = $column->attrs->name;
                     $type = $column->attrs->type;
@@ -395,7 +455,7 @@
                     $column_schema[] = sprintf('[%s] %s%s %s %s %s',
                     $name,
                     $this->column_type[$type],
-                    !in_array($type,array('number','text'))&&$size?'('.$size.')':'',
+                    !isset($typeList[$type])&&$size?'('.$size.')':'',
                     isset($default)?"default '".$default."'":'',
                     $notnull?'not null':'null',
                     $auto_increment?'identity(1,1)':''
@@ -433,25 +493,37 @@
         }
 
 
-        /**
-         * @brief Handle the insertAct
-         **/
-        // TODO Lookup _filterNumber against sql injection - see if it is still needed and how to integrate
+        
+		/**
+		 * Handles insertAct
+		 * @todo Lookup _filterNumber against sql injection - see if it is still needed and how to integrate
+		 * @param Object $queryObject
+		 * @return resource
+		 */
         function _executeInsertAct($queryObject) {
         	$query = $this->getInsertSql($queryObject, false);
         	$this->param = $queryObject->getArguments();
             return $this->_query($query);
         }
 
-        /**
-         * @brief Handle updateAct
-         **/
+		/**
+		 * Handles updateAct
+		 * @param Object $queryObject
+		 * @return resource
+		 */
         function _executeUpdateAct($queryObject) {
         	$query = $this->getUpdateSql($queryObject, false);
         	$this->param = $queryObject->getArguments();
             return $this->_query($query);
         }
 
+		/**
+		 * Return update query string
+		 * @param object $query
+		 * @param boolean $with_values
+		 * @param boolean $with_priority
+		 * @return string
+		 */
     	function getUpdateSql($query, $with_values = true, $with_priority = false){
 			$columnsList = $query->getUpdateString($with_values);
 			if($columnsList == '') return new Object(-1, "Invalid query");
@@ -473,15 +545,23 @@
 			return "UPDATE $priority $alias_list SET $columnsList FROM ".$from.$where;
 		}		
 		
-        /**
-         * @brief Handle deleteAct
-         **/
+		/**
+		 * Handles deleteAct
+		 * @param Object $queryObject
+		 * @return resource
+		 */
         function _executeDeleteAct($queryObject) {
         	$query = $this->getDeleteSql($queryObject, false);
         	$this->param = $queryObject->getArguments();
             return $this->_query($query);
         }
 
+		/**
+		 * Return select query string
+		 * @param object $query
+		 * @param boolean $with_values
+		 * @return string
+		 */
         function getSelectSql($query, $with_values = TRUE){
        		$with_values = false;
 
@@ -519,12 +599,14 @@
 		 	return $select . ' ' . $from . ' ' . $where . ' ' . $groupBy . ' ' . $orderBy;
         }
 
-        /**
-         * @brief Handle selectAct
-         *
-         * In order to get a list of pages easily when selecting \n
-         * it supports a method as navigation
-         **/
+		/**
+		 * Handle selectAct
+		 * In order to get a list of pages easily when selecting \n
+		 * it supports a method as navigation
+		 * @param Object $queryObject
+		 * @param resource $connection
+		 * @return Object
+		 */
         function _executeSelectAct($queryObject, $connection = null) {
 			$query = $this->getSelectSql($queryObject);
 
@@ -540,11 +622,20 @@
 			else return $this->queryPageLimit($queryObject, $result, $connection);
         }
 
-        function &getParser($force = FALSE){
-		$dbParser = new DBParser("[", "]", $this->prefix);
-        	return $dbParser;
+		/**
+		 * Return the DBParser
+		 * @param boolean $force
+		 * @return DBParser
+		 */
+        function getParser($force = FALSE){
+        	return new DBParser("[", "]", $this->prefix);
         }
 
+		/**
+		 * If have a error, return error object
+		 * @param Object $queryObject
+		 * @return Object
+		 */
     	function queryError($queryObject){
                 $limit = $queryObject->getLimit();
 			if ($limit && $limit->isPageHandler()){
@@ -559,6 +650,13 @@
 					return;
 		}
 
+		/**
+		 * If select query execute, return page info
+		 * @param Object $queryObject
+		 * @param resource $result
+		 * @param resource $connection
+		 * @return Object Object with page info containing
+		 */
 		function queryPageLimit($queryObject, $result, $connection) {
 			$limit = $queryObject->getLimit();
 			if ($limit && $limit->isPageHandler()) {
@@ -615,7 +713,7 @@
 					$buff->page_navigation = new PageHandler($total_count, $total_page, $page, $page_count);
 					return $buff;
 				}
-				
+
 				$start_count = ($page - 1) * $list_count;
 				$this->param = $queryObject->getArguments();
 				$virtual_no = $total_count - $start_count;

classes/db/DBMysql.class.php

@@ -1,29 +1,30 @@
 <?php
 /**
- * @class DBMysql
- * @author NHN (developers@xpressengine.com)
- * @brief Class to use MySQL DBMS
- * @version 0.1
- *
+ * Class to use MySQL DBMS
  * mysql handling class
  *
  * Does not use prepared statements, since mysql driver does not support them
- **/
-
+ *
+ * @author NHN (developers@xpressengine.com)
+ * @package /classes/db
+ * @version 0.1
+ */
 class DBMysql extends DB {
 
     /**
-     * @brief Connection information for Mysql DB
-     **/
-    var $prefix   = 'xe_'; // / <prefix of a tablename (One or more XEs can be installed in a single DB)
+	 * prefix of a tablename (One or more XEs can be installed in a single DB)
+	 * @var string
+     */
+    var $prefix   = 'xe_'; // / <
     var $comment_syntax = '/* %s */';
 
     /**
-     * @brief Column type used in MySQL
+     * Column type used in MySQL
      *
      * Becasue a common column type in schema/query xml is used for colum_type,
      * it should be replaced properly for each DBMS
-     **/
+	 * @var array
+     */
     var $column_type = array(
         'bignumber' => 'bigint',
         'number' => 'bigint',
@@ -36,28 +37,38 @@ class DBMysql extends DB {
     );
 
     /**
-     * @brief constructor
-     **/
+     * Constructor
+	 * @return void
+     */
     function DBMysql() {
         $this->_setDBInfo();
         $this->_connect();
     }
 
+	/**
+	 * Create an instance of this class
+	 * @return DBMysql return DBMysql object instance
+	 */
     function create() {
         return new DBMysql;
     }
 
-    /**
-     * @brief Return if it is installable
-     **/
+	/**
+	 * Return if supportable
+	 * Check 'mysql_connect' function exists.
+	 * @return boolean
+	 */
     function isSupported() {
         if(!function_exists('mysql_connect')) return false;
         return true;
     }
 
-    /**
-     * @brief DB Connection
-     **/
+	/**
+	 * DB Connect
+	 * this method is private
+	 * @param array $connection connection's value is db_hostname, db_port, db_database, db_userid, db_password
+	 * @return resource
+	 */
     function __connect($connection) {
         // Ignore if no DB information exists
         if (strpos($connection["db_hostname"], ':') === false && $connection["db_port"])
@@ -85,57 +96,72 @@ class DBMysql extends DB {
         return $result;
     }
 
+	/**
+	 * If have a task after connection, add a taks in this method
+	 * this method is private
+	 * @param resource $connection
+	 * @return void
+	 */
     function _afterConnect($connection){
         // Set utf8 if a database is MySQL
         $this->_query("set names 'utf8'", $connection);
     }
 
-    /**
-     * @brief DB disconnection
-     **/
+	/**
+	 * DB disconnection
+	 * this method is private
+	 * @param resource $connection
+	 * @return void
+	 */
     function _close($connection) {
         @mysql_close($connection);
     }
 
-    /**
-     * @brief Add quotes on the string variables in a query
-     **/
+	/**
+	 * Handles quatation of the string variables from the query
+	 * @param string $string
+	 * @return string
+	 */
     function addQuotes($string) {
         if(version_compare(PHP_VERSION, "5.9.0", "<") && get_magic_quotes_gpc()) $string = stripslashes(str_replace("\\","\\\\",$string));
         if(!is_numeric($string)) $string = @mysql_real_escape_string($string);
         return $string;
     }
 
-    /**
-     * @brief Begin transaction
-     **/
+	/**
+	 * DB transaction start
+	 * this method is private
+	 * @return boolean
+	 */
     function _begin() {
         return true;
     }
 
-    /**
-     * @brief Rollback
-     **/
+	/**
+	 * DB transaction rollback
+	 * this method is private
+	 * @return boolean
+	 */
     function _rollback() {
         return true;
     }
 
-    /**
-     * @brief Commits
-     **/
+	/**
+	 * DB transaction commit
+	 * this method is private
+	 * @return boolean
+	 */
     function _commit() {
         return true;
     }
 
-    /**
-     * @brief : Run a query and fetch the result
-     *
-     * query: run a query and return the result \n
-     * fetch: NULL if no value is returned \n
-     *        array object if rows are returned \n
-     *        object if a row is returned \n
-     *         return\n
-     **/
+	/**
+	 * Execute the query
+	 * this method is private
+	 * @param string $query
+	 * @param resource $connection
+	 * @return resource
+	 */
     function __query($query, $connection) {
         // Run the query statement
         $result = mysql_query($query, $connection);
@@ -145,9 +171,12 @@ class DBMysql extends DB {
         return $result;
     }
 
-    /**
-     * @brief Fetch results
-     **/
+	/**
+	 * Fetch the result
+	 * @param resource $result
+	 * @param int|NULL $arrayIndexEndValue
+	 * @return array
+	 */
     function _fetch($result, $arrayIndexEndValue = NULL) {
         $output = array();
         if(!$this->isConnected() || $this->isError() || !$result) return $output;
@@ -163,9 +192,11 @@ class DBMysql extends DB {
         return $output;
     }
 
-    /**
-     * @brief Return sequence value incremented by 1(auto_increment is used in sequence table only in MySQL)
-     **/
+	/**
+	 * Return the sequence value incremented by 1
+	 * Auto_increment column only used in the sequence table
+	 * @return int
+	 */
     function getNextSequence() {
         $query = sprintf("insert into `%ssequence` (seq) values ('0')", $this->prefix);
         $this->_query($query);
@@ -178,9 +209,12 @@ class DBMysql extends DB {
         return $sequence;
     }
 
-    /**
-     * @brief Function to obtain mysql old password(mysql only)
-     **/
+	/**
+	 * Function to obtain mysql old password(mysql only)
+	 * @param string $password input password
+	 * @param string $saved_password saved password in DBMS
+	 * @return boolean
+	 */
     function isValidOldPassword($password, $saved_password) {
         $query = sprintf("select password('%s') as password, old_password('%s') as old_password", $this->addQuotes($password), $this->addQuotes($password));
         $result = $this->_query($query);
@@ -189,9 +223,11 @@ class DBMysql extends DB {
         return false;
     }
 
-    /**
-     * @brief Return if a table already exists
-     **/
+	/**
+	 * Check a table exists status
+	 * @param string $target_name
+	 * @return boolean
+	 */
     function isTableExists($target_name) {
         $query = sprintf("show tables like '%s%s'", $this->prefix, $this->addQuotes($target_name));
         $result = $this->_query($query);
@@ -200,9 +236,16 @@ class DBMysql extends DB {
         return true;
     }
 
-    /**
-     * @brief Add a column to a table
-     **/
+	/**
+	 * Add a column to the table
+	 * @param string $table_name table name
+	 * @param string $column_name column name
+	 * @param string $type column type, default value is 'number'
+	 * @param int $size column size
+	 * @param string|int $default default value
+	 * @param boolean $notnull not null status, default value is false
+	 * @return void
+	 */
     function addColumn($table_name, $column_name, $type='number', $size='', $default = '', $notnull=false) {
         $type = $this->column_type[$type];
         if(strtoupper($type)=='INTEGER') $size = '';
@@ -216,17 +259,23 @@ class DBMysql extends DB {
         $this->_query($query);
     }
 
-    /**
-     * @brief Delete a column from a table
-     **/
+	/**
+	 * Drop a column from the table
+	 * @param string $table_name table name
+	 * @param string $column_name column name
+	 * @return void
+	 */
     function dropColumn($table_name, $column_name) {
         $query = sprintf("alter table `%s%s` drop `%s` ", $this->prefix, $table_name, $column_name);
         $this->_query($query);
     }
 
-    /**
-     * @brief Return column information of a table
-     **/
+	/**
+	 * Check column exist status of the table
+	 * @param string $table_name table name
+	 * @param string $column_name column name
+	 * @return boolean
+	 */
     function isColumnExists($table_name, $column_name) {
         $query = sprintf("show fields from `%s%s`", $this->prefix, $table_name);
         $result = $this->_query($query);
@@ -242,11 +291,16 @@ class DBMysql extends DB {
         return false;
     }
 
-    /**
-     * @brief Add an index to a table
-     * $target_columns = array(col1, col2)
-     * $is_unique? unique : none
-     **/
+	/**
+	 * Add an index to the table
+	 * $target_columns = array(col1, col2)
+	 * $is_unique? unique : none
+	 * @param string $table_name table name
+	 * @param string $index_name index name
+	 * @param string|array $target_columns target column or columns
+	 * @param boolean $is_unique
+	 * @return void
+	 */
     function addIndex($table_name, $index_name, $target_columns, $is_unique = false) {
         if(!is_array($target_columns)) $target_columns = array($target_columns);
 
@@ -254,18 +308,25 @@ class DBMysql extends DB {
         $this->_query($query);
     }
 
-    /**
-     * @brief Drop an index from a table
-     **/
+	/**
+	 * Drop an index from the table
+	 * @param string $table_name table name
+	 * @param string $index_name index name
+	 * @param boolean $is_unique
+	 * @return void
+	 */
     function dropIndex($table_name, $index_name, $is_unique = false) {
         $query = sprintf("alter table `%s%s` drop index `%s`", $this->prefix, $table_name, $index_name);
         $this->_query($query);
     }
 
 
-    /**
-     * @brief Return index information of a table
-     **/
+	/**
+	 * Check index status of the table
+	 * @param string $table_name table name
+	 * @param string $index_name index name
+	 * @return boolean
+	 */
     function isIndexExists($table_name, $index_name) {
         //$query = sprintf("show indexes from %s%s where key_name = '%s' ", $this->prefix, $table_name, $index_name);
         $query = sprintf("show indexes from `%s%s`", $this->prefix, $table_name);
@@ -281,16 +342,20 @@ class DBMysql extends DB {
         return false;
     }
 
-    /**
-     * @brief Create a table by using xml file
-     **/
+	/**
+	 * Creates a table by using xml contents
+	 * @param string $xml_doc xml schema contents
+	 * @return void|object
+	 */
     function createTableByXml($xml_doc) {
         return $this->_createTable($xml_doc);
     }
 
-    /**
-     * @brief Create a table by using xml file
-     **/
+	/**
+	 * Creates a table by using xml file path
+	 * @param string $file_name xml schema file path
+	 * @return void|object
+	 */
     function createTableByXmlFile($file_name) {
         if(!file_exists($file_name)) return;
         // read xml file
@@ -298,13 +363,15 @@ class DBMysql extends DB {
         return $this->_createTable($buff);
     }
 
-    /**
-     * @brief generate a query statement to create a table by using schema xml
-     *
-     * type : number, varchar, text, char, date, \n
-     * opt : notnull, default, size\n
-     * index : primary key, index, unique\n
-     **/
+	/**
+	 * Create table by using the schema xml
+	 *
+	 * type : number, varchar, tinytext, text, bigtext, char, date, \n
+	 * opt : notnull, default, size\n
+	 * index : primary key, index, unique\n
+	 * @param string $xml_doc xml schema contents
+	 * @return void|object
+	 */
     function _createTable($xml_doc) {
         // xml parsing
         $oXml = new XmlParser();
@@ -368,39 +435,51 @@ class DBMysql extends DB {
         if(!$output) return false;
     }
 
-    /**
-     * @brief Handle the insertAct
-     **/
+	/**
+	 * Handles insertAct
+	 * @param Object $queryObject
+	 * @param boolean $with_values
+	 * @return resource
+	 */
     function _executeInsertAct($queryObject, $with_values = true) {
         $query = $this->getInsertSql($queryObject, $with_values, true);
         if(is_a($query, 'Object')) return;
         return $this->_query($query);
     }
 
-    /**
-     * @brief Handle updateAct
-     **/
+	/**
+	 * Handles updateAct
+	 * @param Object $queryObject
+	 * @param boolean $with_values
+	 * @return resource
+	 */
     function _executeUpdateAct($queryObject, $with_values = true) {
         $query = $this->getUpdateSql($queryObject, $with_values, true);
         if(is_a($query, 'Object')) return;
         return $this->_query($query);
     }
 
-    /**
-     * @brief Handle deleteAct
-     **/
+	/**
+	 * Handles deleteAct
+	 * @param Object $queryObject
+	 * @param boolean $with_values
+	 * @return resource
+	 */
     function _executeDeleteAct($queryObject, $with_values = true) {
         $query = $this->getDeleteSql($queryObject, $with_values, true);
         if(is_a($query, 'Object')) return;
         return $this->_query($query);
     }
 
-    /**
-     * @brief Handle selectAct
-     *
-     * In order to get a list of pages easily when selecting \n
-     * it supports a method as navigation
-     **/
+	/**
+	 * Handle selectAct
+	 * In order to get a list of pages easily when selecting \n
+	 * it supports a method as navigation
+	 * @param Object $queryObject
+	 * @param resource $connection
+	 * @param boolean $with_values
+	 * @return Object
+	 */
     function _executeSelectAct($queryObject, $connection = null, $with_values = true) {
         $limit = $queryObject->getLimit();
         $result = NULL;
@@ -423,26 +502,52 @@ class DBMysql extends DB {
         }
     }
 
+	/**
+	 * Get the ID generated in the last query
+	 * Return next sequence from sequence table
+	 * This method use only mysql
+	 * @return int
+	 */
     function db_insert_id()
     {
         $connection = $this->_getConnection('master');
         return mysql_insert_id($connection);
     }
 
+	/**
+	 * Fetch a result row as an object
+	 * @param resource $result
+	 * @return object
+	 */
     function db_fetch_object(&$result)
     {
         return mysql_fetch_object($result);
     }
 
+	/**
+	 * Free result memory
+	 * @param resource $result
+	 * @return boolean Returns TRUE on success or FALSE on failure.
+	 */
     function db_free_result(&$result){
         return mysql_free_result($result);
     }
 
+	/**
+	 * Return the DBParser
+	 * @param boolean $force
+	 * @return DBParser
+	 */
     function &getParser($force = FALSE){
         $dbParser = new DBParser('`', '`', $this->prefix);
         return $dbParser;
     }
 
+	/**
+	 * If have a error, return error object
+	 * @param Object $queryObject
+	 * @return Object
+	 */
     function queryError($queryObject){
         $limit = $queryObject->getLimit();
         if ($limit && $limit->isPageHandler()){
@@ -457,6 +562,14 @@ class DBMysql extends DB {
             return;
     }
 
+	/**
+	 * If select query execute, return page info
+	 * @param Object $queryObject
+	 * @param resource $result
+	 * @param resource $connection
+	 * @param boolean $with_values
+	 * @return Object Object with page info containing
+	 */
     function queryPageLimit($queryObject, $result, $connection, $with_values = true){
         $limit = $queryObject->getLimit();
         // Total count
@@ -469,7 +582,7 @@ class DBMysql extends DB {
         $uses_groupby = $queryObject->getGroupByString() != '';
         if($uses_distinct || $uses_groupby) {
             $count_query = sprintf('select %s %s %s %s'
-                , $temp_select
+                , $temp_select == '*' ? '1' : $temp_select
                 , 'FROM ' . $queryObject->getFromString($with_values)
                 , ($temp_where === '' ? '' : ' WHERE '. $temp_where)
                 , ($uses_groupby ? ' GROUP BY ' . $queryObject->getGroupByString() : '')
@@ -529,6 +642,14 @@ class DBMysql extends DB {
         return $buff;
     }
 
+	/**
+	 * If select query execute, return paging sql
+	 * @param object $query
+	 * @param boolean $with_values
+	 * @param int $start_count
+	 * @param int $list_count
+	 * @return string select paging sql
+	 */
     function getSelectPageSql($query, $with_values = true, $start_count = 0, $list_count = 0) {
         $select = $query->getSelectString($with_values);
         if($select == '') return new Object(-1, "Invalid query");

classes/db/DBMysql_innodb.class.php

@@ -1,79 +1,87 @@
 <?php
 	require_once('DBMysql.class.php');
 
-    /**
-     * @class DBMysql_innodb
-     * @author NHN (developers@xpressengine.com)
-     * @brief class to use MySQL DBMS
-     * @version 0.1
-     *
-     * mysql innodb handling class
-	 * 
-	 * Does not use prepared statements since the mysql driver does not support them
-     **/
-
+	/**
+	 * Class to use MySQL innoDB DBMS
+	 * mysql innodb handling class
+	 *
+	 * Does not use prepared statements, since mysql driver does not support them
+	 *
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db
+	 * @version 0.1
+	 **/
     class DBMysql_innodb extends DBMysql {
 
-        /**
-         * @brief constructor
-         **/
+		/**
+		 * Constructor
+		 * @return void
+		 **/
         function DBMysql_innodb() {
             $this->_setDBInfo();
             $this->_connect();
         }
 
 		/**
-		 * @brief create an instance of this class
+		 * Create an instance of this class
+		 * @return DBMysql_innodb return DBMysql_innodb object instance
 		 */
 		function create()
 		{
 			return new DBMysql_innodb;
 		}
 
-        /**
-         * @brief DB disconnection
-         **/
+		/**
+		 * DB disconnection
+		 * this method is private
+		 * @param resource $connection
+		 * @return void
+		 */
         function _close($connection) {
             $this->_query("commit", $connection);
             @mysql_close($connection);
         }
 
-        /**
-         * @brief Begin transaction
-         **/
+		/**
+		 * DB transaction start
+		 * this method is private
+		 * @return boolean
+		 */
         function _begin() {
             $connection = $this->_getConnection('master');
             $this->_query("begin", $connection);
             return true;
         }
 
-        /**
-         * @brief Rollback
-         **/
+		/**
+		 * DB transaction rollback
+		 * this method is private
+		 * @return boolean
+		 */
         function _rollback() {
             $connection = $this->_getConnection('master');
             $this->_query("rollback", $connection);
             return true;
         }
 
-        /**
-         * @brief Commits
-         **/
+		/**
+		 * DB transaction commit
+		 * this method is private
+		 * @return boolean
+		 */
         function _commit() {
             $connection = $this->_getConnection('master');
             $this->_query("commit", $connection);
             return true;
         }
 
-        /**
-         * @brief : Run a query and fetch the result
-         *
-         * query: run a query and return the result \n
-         * fetch: NULL if no value is returned \n
-         *        array object if rows are returned \n
-         *        object if a row is returned \n
-         *         return\n
-         **/
+		/**
+		 * Execute the query
+		 * this method is private
+		 * @param string $query
+		 * @param resource $connection
+		 * @return resource
+		 */
         function __query($query, $connection) {
             // Run the query statement
             $result = @mysql_query($query, $connection);
@@ -83,13 +91,15 @@
             return $result;
         }
 
-        /**
-         * @brief generate a query statement to create a table by using schema xml
-         *
-         * type : number, varchar, text, char, date, \n
-         * opt : notnull, default, size\n
-         * index : primary key, index, unique\n
-         **/
+		/**
+		 * Create table by using the schema xml
+		 *
+		 * type : number, varchar, tinytext, text, bigtext, char, date, \n
+		 * opt : notnull, default, size\n
+		 * index : primary key, index, unique\n
+		 * @param string $xml_doc xml schema contents
+		 * @return void|object
+		 */
         function _createTable($xml_doc) {
             // xml parsing
             $oXml = new XmlParser();

classes/db/DBMysqli.class.php

@@ -1,44 +1,52 @@
 <?php
 	require_once('DBMysql.class.php');
-    /**
-     * @class DBMysqli
-     * @author NHN (developers@xpressengine.com)
-     * @brief Class to use MySQL DBMS as mysqli_*
-     * @version 0.1
-     *
-     * mysql handling class
-     **/
-
 
+	/**
+	 * Class to use MySQLi DBMS as mysqli_*
+	 * mysql handling class
+	 *
+	 * Does not use prepared statements, since mysql driver does not support them
+	 *
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db
+	 * @version 0.1
+	 **/
     class DBMysqli extends DBMysql {
 
-        /**
-         * @brief constructor
-         **/
+		/**
+		 * Constructor
+		 * @return void
+		 **/
         function DBMysqli() {
             $this->_setDBInfo();
             $this->_connect();
         }
 
-        /**
-         * @brief Return if it is installable
-         **/
+		/**
+		 * Return if supportable
+		 * Check 'mysqli_connect' function exists.
+		 * @return boolean
+		 */
         function isSupported() {
             if(!function_exists('mysqli_connect')) return false;
             return true;
         }
 
 		/**
-		 * @brief create an instance of this class
+		 * Create an instance of this class
+		 * @return DBMysqli return DBMysqli object instance
 		 */
 		function create()
 		{
 			return new DBMysqli;
 		}
 
-        /**
-         * @brief DB Connection
-         **/
+		/**
+		 * DB Connect
+		 * this method is private
+		 * @param array $connection connection's value is db_hostname, db_port, db_database, db_userid, db_password
+		 * @return resource
+		 */
         function __connect($connection) {
             // Attempt to connect
             if ($connection["db_port"]) {
@@ -62,16 +70,21 @@
             return $result;
         }
 
-        /**
-         * @brief DB disconnection
-         **/
+		/**
+		 * DB disconnection
+		 * this method is private
+		 * @param resource $connection
+		 * @return void
+		 */
         function _close($connection) {
             mysqli_close($connection);
         }
 
-        /**
-         * @brief Add quotes on the string variables in a query
-         **/
+		/**
+		 * Handles quatation of the string variables from the query
+		 * @param string $string
+		 * @return string
+		 */
         function addQuotes($string) {
             if(version_compare(PHP_VERSION, "5.9.0", "<") && get_magic_quotes_gpc()) $string = stripslashes(str_replace("\\","\\\\",$string));
             if(!is_numeric($string)){
@@ -81,15 +94,13 @@
             return $string;
         }
 
-        /**
-         * @brief : Run a query and fetch the result
-         *
-         * query: run a query and return the result \n
-         * fetch: NULL if no value is returned \n
-         *        array object if rows are returned \n
-         *        object if a row is returned \n
-         *         return\n
-         **/
+		/**
+		 * Execute the query
+		 * this method is private
+		 * @param string $query
+		 * @param resource $connection
+		 * @return resource
+		 */
         function __query($query, $connection) {
 			if($this->use_prepared_statements == 'Y')
 			{			
@@ -140,6 +151,13 @@
             return $result;
         }
 		
+		/**
+		 * Before execute query, prepare statement
+		 * this method is private
+		 * @param string $types
+		 * @param array $params
+		 * @return void
+		 */
 		function _prepareQueryParameters(&$types, &$params){
 			$types = '';
 			$params = array();
@@ -182,9 +200,12 @@
 			}			
 		}
 		
-       /**
-         * @brief Fetch results
-         **/
+		/**
+		 * Fetch the result
+		 * @param resource $result
+		 * @param int|NULL $arrayIndexEndValue
+		 * @return array
+		 */
         function _fetch($result, $arrayIndexEndValue = NULL) {
 			if($this->use_prepared_statements != 'Y'){
 				return parent::_fetch($result, $arrayIndexEndValue);
@@ -247,6 +268,12 @@
             return $output;
         }		
 		
+		/**
+		 * Handles insertAct
+		 * @param Object $queryObject
+		 * @param boolean $with_values
+		 * @return resource
+		 */
 		function _executeInsertAct($queryObject, $with_values = false){
 			if($this->use_prepared_statements != 'Y')
 			{
@@ -258,6 +285,12 @@
 			return $result;
 		}
 		
+		/**
+		 * Handles updateAct
+		 * @param Object $queryObject
+		 * @param boolean $with_values
+		 * @return resource
+		 */
 		function _executeUpdateAct($queryObject, $with_values = false) {
 			if($this->use_prepared_statements != 'Y')
 			{
@@ -269,6 +302,12 @@
 			return $result;
 		}
 		
+		/**
+		 * Handles deleteAct
+		 * @param Object $queryObject
+		 * @param boolean $with_values
+		 * @return resource
+		 */
 		function _executeDeleteAct($queryObject, $with_values = false) {
 			if($this->use_prepared_statements != 'Y')
 			{
@@ -280,6 +319,15 @@
 			return $result;
 		}		
 		
+		/**
+		 * Handle selectAct
+		 * In order to get a list of pages easily when selecting \n
+		 * it supports a method as navigation
+		 * @param Object $queryObject
+		 * @param resource $connection
+		 * @param boolean $with_values
+		 * @return Object
+		 */
 		function _executeSelectAct($queryObject, $connection = null, $with_values = false) {
 			if($this->use_prepared_statements != 'Y')
 			{
@@ -291,17 +339,33 @@
 			return $result;
 		}
 
+		/**
+		 * Get the ID generated in the last query
+		 * Return next sequence from sequence table
+		 * This method use only mysql
+		 * @return int
+		 */
 		function db_insert_id()
 		{
             $connection = $this->_getConnection('master');
             return  mysqli_insert_id($connection);
 		}
 
+		/**
+		 * Fetch a result row as an object
+		 * @param resource $result
+		 * @return object
+		 */
 		function db_fetch_object(&$result)
 		{
 			return mysqli_fetch_object($result);
 		}
 		
+		/**
+		 * Free result memory
+		 * @param resource $result
+		 * @return boolean Returns TRUE on success or FALSE on failure.
+		 */
 		function db_free_result(&$result){
 			return mysqli_free_result($result);		
 		}		

classes/db/queryparts/Query.class.php

@@ -1,343 +1,497 @@
-<?php
-
-	class Query extends Object {
-		var $queryID;
-		var $action;
-		var $priority;
-
-		var $columns;
-		var $tables;
-		var $conditions;
-		var $groups;
-		var $orderby;
-		var $limit;
-
-		var $arguments = null;
-
-                var $columnList = null;
-
-		var $_orderByString;
-
-		function Query($queryID = null
-			, $action = null
-			, $columns = null
-			, $tables = null
-			, $conditions = null
-			, $groups = null
-			, $orderby = null
-			, $limit = null
-			, $priority = null){
-			$this->queryID = $queryID;
-			$this->action = $action;
-			$this->priority = $priority;
-
-                        if(!isset($tables)) return;
-			$this->columns = $this->setColumns($columns);
-			$this->tables = $this->setTables($tables);
-			$this->conditions = $this->setConditions($conditions);
-			$this->groups = $this->setGroups($groups);
-			$this->orderby = $this->setOrder($orderby);
-			$this->limit = $this->setLimit($limit);
-		}
-
-		function show(){
-			return true;
-		}
-
-		function setQueryId($queryID){
-			$this->queryID = $queryID;
-		}
-
-		function setAction($action){
-			$this->action = $action;
-		}
+<?php
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts
+	 * @version 0.1
+	 */
+	class Query extends Object {
+		/**
+		 * Query id, defined in query xml file
+		 * @var string
+		 */
+		var $queryID;
+		/**
+		 * DML type, ex) INSERT, DELETE, UPDATE, SELECT
+		 * @var string
+		 */
+		var $action;
+		/**
+		 * priority level ex)LOW_PRIORITY, HIGHT_PRIORITY
+		 * @var string
+		 */
+		var $priority;
+
+		/**
+		 * column list
+		 * @var string|array
+		 */
+		var $columns;
+		/**
+		 * table list
+		 * @var string|array
+		 */
+		var $tables;
+		/**
+		 * condition list
+		 * @var string|array
+		 */
+		var $conditions;
+		/**
+		 * group list
+		 * @var string|array
+		 */
+		var $groups;
+		/**
+		 * order list
+		 * @var array
+		 */
+		var $orderby;
+		/**
+		 * limit count
+		 * @var int
+		 */
+		var $limit;
+
+		/**
+		 * argument list
+		 * @var array
+		 */
+		var $arguments = null;
+
+		/**
+		 * column list
+		 * @var array
+		 */
+                var $columnList = null;
+
+		/**
+		 * order by text
+		 * @var string
+		 */
+		var $_orderByString;
+
+		/**
+		 * constructor
+		 * @param string $queryID
+		 * @param string $action
+		 * @param string|array $columns
+		 * @param string|array $tables
+		 * @param string|array $conditions
+		 * @param string|array $groups
+		 * @param string|array $orderby
+		 * @param int $limit
+		 * @param string $priority
+		 * @return void
+		 */
+		function Query($queryID = null
+			, $action = null
+			, $columns = null
+			, $tables = null
+			, $conditions = null
+			, $groups = null
+			, $orderby = null
+			, $limit = null
+			, $priority = null){
+			$this->queryID = $queryID;
+			$this->action = $action;
+			$this->priority = $priority;
+
+                        if(!isset($tables)) return;
+			$this->columns = $this->setColumns($columns);
+			$this->tables = $this->setTables($tables);
+			$this->conditions = $this->setConditions($conditions);
+			$this->groups = $this->setGroups($groups);
+			$this->orderby = $this->setOrder($orderby);
+			$this->limit = $this->setLimit($limit);
+		}
+
+		function show(){
+			return true;
+		}
+
+		function setQueryId($queryID){
+			$this->queryID = $queryID;
+		}
+
+		function setAction($action){
+			$this->action = $action;
+		}
+		
+		function setPriority($priority){
+			$this->priority = $priority;
+		}
+
+                function setColumnList($columnList){
+                        $this->columnList = $columnList;
+                        if(count($this->columnList) > 0) {
+                            $selectColumns = array();
+                            $dbParser = DB::getParser();
+
+                            foreach($this->columnList as $columnName){
+                                    $columnName = $dbParser->escapeColumn($columnName);
+                                    $selectColumns[] = new SelectExpression($columnName);
+                            }
+                            unset($this->columns);
+                            $this->columns = $selectColumns;
+                        }
+                }
+
+		function setColumns($columns){
+			if(!isset($columns) || count($columns) === 0){
+				$this->columns = array(new StarExpression());
+				return;
+			}
+
+			if(!is_array($columns)) $columns = array($columns);
+
+			$this->columns = $columns;
+		}
+
+		function setTables($tables){
+			if(!isset($tables) || count($tables) === 0){
+				$this->setError(true);
+				$this->setMessage("You must provide at least one table for the query.");
+				return;
+			}
+
+			if(!is_array($tables)) $tables = array($tables);
+
+			$this->tables = $tables;
+		}
 		
-		function setPriority($priority){
-			$this->priority = $priority;
+		function setSubquery($subquery){
+			$this->subquery = $subquery;
 		}
-
-                function setColumnList($columnList){
-                        $this->columnList = $columnList;
-                        if(count($this->columnList) > 0) {
-                            $selectColumns = array();
-                            $dbParser = DB::getParser();
-
-                            foreach($this->columnList as $columnName){
-                                    $columnName = $dbParser->escapeColumn($columnName);
-                                    $selectColumns[] = new SelectExpression($columnName);
-                            }
-                            unset($this->columns);
-                            $this->columns = $selectColumns;
-                        }
-                }
-
-		function setColumns($columns){
-			if(!isset($columns) || count($columns) === 0){
-				$this->columns = array(new StarExpression());
-				return;
-			}
-
-			if(!is_array($columns)) $columns = array($columns);
-
-			$this->columns = $columns;
-		}
-
-		function setTables($tables){
-			if(!isset($tables) || count($tables) === 0){
-				$this->setError(true);
-				$this->setMessage("You must provide at least one table for the query.");
-				return;
-			}
-
-			if(!is_array($tables)) $tables = array($tables);
-
-			$this->tables = $tables;
-		}
-
-		function setConditions($conditions){
-                    $this->conditions = array();
-                    if(!isset($conditions) || count($conditions) === 0) return;
-		    if(!is_array($conditions)) $conditions = array($conditions);
-
-                    foreach($conditions as $conditionGroup){
-                        if($conditionGroup->show()) $this->conditions[] = $conditionGroup;
-                    }
-		}
-
-		function setGroups($groups){
-			if(!isset($groups) || count($groups) === 0) return;
-			if(!is_array($groups)) $groups = array($groups);
-
-			$this->groups = $groups;
-		}
-
-		function setOrder($order){
-			if(!isset($order) || count($order) === 0) return;
-			if(!is_array($order)) $order = array($order);
-
-			$this->orderby = $order;
-		}
-
-		function setLimit($limit = NULL){
-			if(!isset($limit)) return;
-			$this->limit = $limit;
-		}
-
-		// START Fluent interface
-		function select($columns= null){
-			$this->action = 'select';
-			$this->setColumns($columns);
-			return $this;
-		}
-
-		function from($tables){
-			$this->setTables($tables);
-			return $this;
-		}
-
-		function where($conditions){
-			$this->setConditions($conditions);
-			return $this;
-		}
-
-		function groupBy($groups){
-			$this->setGroups($groups);
-			return $this;
-		}
-
-		function orderBy($order){
-			$this->setOrder($order);
-			return $this;
-		}
-
-		function limit($limit){
-			$this->setLimit($limit);
-			return $this;
-		}
-		// END Fluent interface
-
-		function getAction(){
-			return $this->action;
-		}
-		
-		function getPriority(){
-			return $this->priority?'LOW_PRIORITY':'';
-		}
-
-		function getSelectString($with_values = true){
-                    foreach($this->columns as $column){
-                            if($column->show())
-                                    if($column->isSubquery()){
-                                            $select[] = $column->toString($with_values) . ' as '. $column->getAlias();
-                                    }
-                                    else
-                                            $select[] = $column->getExpression($with_values);
-                    }
-                    return trim(implode($select, ', '));
-		}
-
-		function getUpdateString($with_values = true){
-                    foreach($this->columns as $column){
-                        if($column->show())
-                           $update[] = $column->getExpression($with_values);
-                    }
-                    return trim(implode($update, ', '));
-		}
-
-		function getInsertString($with_values = true){
-			$columnsList = '';
-			$valuesList = '';
-			foreach($this->columns as $column){
-				if($column->show()){
-					$columnsList .= $column->getColumnName() . ', ';
-					$valuesList .= $column->getValue($with_values) . ', ';
-				}
-			}
-			$columnsList = substr($columnsList, 0, -2);
-			$valuesList = substr($valuesList, 0, -2);
-
-			return "($columnsList) \n VALUES ($valuesList)";
-		}
-
-		function getTables(){
-			return $this->tables;
-		}
-
-                // from table_a
-                // from table_a inner join table_b on x=y
-                // from (select * from table a) as x
-                // from (select * from table t) as x inner join table y on y.x
-		function getFromString($with_values = true){
-			$from = '';
-			$simple_table_count = 0;
-			foreach($this->tables as $table){
-				if($table->isJoinTable() || !$simple_table_count) $from .= $table->toString($with_values) . ' ';
-				else $from .= ', '.$table->toString($with_values) . ' ';
-
-                                if(is_a($table, 'Subquery')) $from .= $table->getAlias() ? ' as ' . $table->getAlias() . ' ' : ' ';
-
-				$simple_table_count++;
-			}
-			if(trim($from) == '') return '';
-			return $from;
-		}
-
-		function getWhereString($with_values = true, $with_optimization = true){
-			$where = '';
-			$condition_count = 0;
-
-			foreach ($this->conditions as $conditionGroup) {
-				if ($condition_count === 0) {
-					$conditionGroup->setPipe("");
-				}
-				$condition_string = $conditionGroup->toString($with_values);
-				$where .= $condition_string;
-				$condition_count++;
-			}
-
-			if ($with_optimization &&
-					(strstr($this->getOrderByString(), 'list_order') || strstr($this->getOrderByString(), 'update_order'))) {
-
-				if ($condition_count !== 0)
-					$where = '(' . $where . ') ';
-
-				foreach ($this->orderby as $order) {
-					$colName = $order->getColumnName();
-					if (strstr($colName, 'list_order') || strstr($colName, 'update_order')) {
-						$opt_condition = new ConditionWithoutArgument($colName, 2100000000, 'less', 'and');
-						if ($condition_count === 0)
-							$opt_condition->setPipe("");
-						$where .= $opt_condition->toString($with_values) . ' ';
-						$condition_count++;
-					}
-				}
-			}
-
-			return trim($where);
-		}
-
-		function getGroupByString(){
-			$groupBy = '';
-			if($this->groups) if($this->groups[0] !== "")
-				$groupBy = implode(', ', $this->groups);
-			return $groupBy;
-		}
-
-		function getOrderByString(){
-			if(!$this->_orderByString){
-			    if(count($this->orderby) === 0) return '';
-			    $orderBy = '';
-			    foreach($this->orderby as $order){
-    				$orderBy .= $order->toString() .', ';
-			    }
-			    $orderBy = substr($orderBy, 0, -2);
-			    $this->_orderByString = $orderBy;
-			}
-			return $this->_orderByString;
-		}
-
-		function getLimit(){
-			return $this->limit;
-		}
-
-		function getLimitString(){
-			$limit = '';
-			if(count($this->limit) > 0){
-				$limit = '';
-				$limit .= $this->limit->toString();
-			}
-			return $limit;
-		}
-
-		function getFirstTableName(){
-			return $this->tables[0]->getName();
-		}
-
-		function getArguments(){
-			if(!isset($this->arguments)){
-				$this->arguments = array();
-
-				// Join table arguments
-				if(count($this->tables) > 0)
-				{
-					foreach($this->tables as $table)
-					{
-						if($table->isJoinTable())
-						{
-							$args = $table->getArguments();
-							if($args) $this->arguments = array_merge($this->arguments, $args);
-						}
-					}
-				}
+
+		function setConditions($conditions){
+                    $this->conditions = array();
+                    if(!isset($conditions) || count($conditions) === 0) return;
+		    if(!is_array($conditions)) $conditions = array($conditions);
+
+                    foreach($conditions as $conditionGroup){
+                        if($conditionGroup->show()) $this->conditions[] = $conditionGroup;
+                    }
+		}
+
+		function setGroups($groups){
+			if(!isset($groups) || count($groups) === 0) return;
+			if(!is_array($groups)) $groups = array($groups);
+
+			$this->groups = $groups;
+		}
+
+		function setOrder($order){
+			if(!isset($order) || count($order) === 0) return;
+			if(!is_array($order)) $order = array($order);
+
+			$this->orderby = $order;
+		}
+
+		function setLimit($limit = NULL){
+			if(!isset($limit)) return;
+			$this->limit = $limit;
+		}
+
+		// START Fluent interface
+		/**
+		 * seleect set
+		 * @param string|array $columns
+		 * @return Query return Query instance
+		 */
+		function select($columns= null){
+			$this->action = 'select';
+			$this->setColumns($columns);
+			return $this;
+		}
+
+		/**
+		 * from set
+		 * @param string|array $tables
+		 * @return Query return Query instance
+		 */
+		function from($tables){
+			$this->setTables($tables);
+			return $this;
+		}
+
+		/**
+		 * where set
+		 * @param string|array $conditions
+		 * @return Query return Query instance
+		 */
+		function where($conditions){
+			$this->setConditions($conditions);
+			return $this;
+		}
+
+		/**
+		 * groupBy set
+		 * @param string|array $groups
+		 * @return Query return Query instance
+		 */
+		function groupBy($groups){
+			$this->setGroups($groups);
+			return $this;
+		}
+
+		/**
+		 * orderBy set
+		 * @param string|array $order
+		 * @return Query return Query instance
+		 */
+		function orderBy($order){
+			$this->setOrder($order);
+			return $this;
+		}
+
+		/**
+		 * limit set
+		 * @param int $limit
+		 * @return Query return Query instance
+		 */
+		function limit($limit){
+			$this->setLimit($limit);
+			return $this;
+		}
+		// END Fluent interface
+
+		function getAction(){
+			return $this->action;
+		}
+		
+		function getPriority(){
+			return $this->priority?'LOW_PRIORITY':'';
+		}
+
+		/**
+		 * Return select sql
+		 * @param boolean $with_values
+		 * @return string
+		 */
+		function getSelectString($with_values = true){
+                    foreach($this->columns as $column){
+                            if($column->show())
+                                    if($column->isSubquery()){
+                                            $select[] = $column->toString($with_values) . ' as '. $column->getAlias();
+                                    }
+                                    else
+                                            $select[] = $column->getExpression($with_values);
+                    }
+                    return trim(implode($select, ', '));
+		}
+
+		/**
+		 * Return update sql
+		 * @param boolean $with_values
+		 * @return string
+		 */
+		function getUpdateString($with_values = true){
+                    foreach($this->columns as $column){
+                        if($column->show())
+                           $update[] = $column->getExpression($with_values);
+                    }
+                    return trim(implode($update, ', '));
+		}
+
+		/**
+		 * Return insert sql
+		 * @param boolean $with_values
+		 * @return string
+		 */
+		function getInsertString($with_values = true){
+			$columnsList = '';
+			if($this->subquery){ // means we have insert-select
 				
-				// Column arguments
-				if(count($this->columns) > 0){ // The if is for delete statements, all others must have columns
-					foreach($this->columns as $column){
-						if($column->show()){
-							$args = $column->getArguments();
-							if($args) $this->arguments = array_merge($this->arguments, $args);
-						}
-					}
+				foreach($this->columns as $column){
+					$columnsList .= $column->getColumnName() . ', ';
 				}
-
-				// Condition arguments
-				if(count($this->conditions) > 0)
-					foreach($this->conditions as $conditionGroup){
-						$args = $conditionGroup->getArguments();
-						if(count($args) > 0) $this->arguments = array_merge($this->arguments, $args);
-					}
-
-				// Navigation arguments
-				if(count($this->orderby) > 0)
-					foreach($this->orderby as $order){
-						$args = $order->getArguments();
-						if(count($args) > 0) $this->arguments = array_merge($this->arguments, $args);
-					}
+				$columnsList = substr($columnsList, 0, -2);
+				
+				$selectStatement = $this->subquery->toString($with_values);
+				$selectStatement = substr($selectStatement, 1, -1);
+				
+				return "($columnsList) \n $selectStatement";
 			}
-			return $this->arguments;
-		}
-	}
-
-
-
-?>
+			
+			
+			$valuesList = '';
+			foreach($this->columns as $column){
+				if($column->show()){
+					$columnsList .= $column->getColumnName() . ', ';
+					$valuesList .= $column->getValue($with_values) . ', ';
+				}
+			}
+			$columnsList = substr($columnsList, 0, -2);
+			$valuesList = substr($valuesList, 0, -2);
+
+			return "($columnsList) \n VALUES ($valuesList)";
+		}
+
+		function getTables(){
+			return $this->tables;
+		}
+
+		/**
+		 * from table_a
+		 * from table_a inner join table_b on x=y
+		 * from (select * from table a) as x
+		 * from (select * from table t) as x inner join table y on y.x
+		 * @param boolean $with_values
+		 * @return string
+		 */
+		function getFromString($with_values = true){
+			$from = '';
+			$simple_table_count = 0;
+			foreach($this->tables as $table){
+				if($table->isJoinTable() || !$simple_table_count) $from .= $table->toString($with_values) . ' ';
+				else $from .= ', '.$table->toString($with_values) . ' ';
+
+                                if(is_a($table, 'Subquery')) $from .= $table->getAlias() ? ' as ' . $table->getAlias() . ' ' : ' ';
+
+				$simple_table_count++;
+			}
+			if(trim($from) == '') return '';
+			return $from;
+		}
+
+		/**
+		 * Return where sql
+		 * @param boolean $with_values
+		 * @param boolean $with_optimization
+		 * @return string
+		 */
+		function getWhereString($with_values = true, $with_optimization = true){
+			$where = '';
+			$condition_count = 0;
+
+			foreach ($this->conditions as $conditionGroup) {
+				if ($condition_count === 0) {
+					$conditionGroup->setPipe("");
+				}
+				$condition_string = $conditionGroup->toString($with_values);
+				$where .= $condition_string;
+				$condition_count++;
+			}
+
+			if ($with_optimization &&
+					(strstr($this->getOrderByString(), 'list_order') || strstr($this->getOrderByString(), 'update_order'))) {
+
+				if ($condition_count !== 0)
+					$where = '(' . $where . ') ';
+
+				foreach ($this->orderby as $order) {
+					$colName = $order->getColumnName();
+					if (strstr($colName, 'list_order') || strstr($colName, 'update_order')) {
+						$opt_condition = new ConditionWithoutArgument($colName, 2100000000, 'less', 'and');
+						if ($condition_count === 0)
+							$opt_condition->setPipe("");
+						$where .= $opt_condition->toString($with_values) . ' ';
+						$condition_count++;
+					}
+				}
+			}
+
+			return trim($where);
+		}
+
+		/**
+		 * Return groupby sql
+		 * @return string
+		 */
+		function getGroupByString(){
+			$groupBy = '';
+			if($this->groups) if($this->groups[0] !== "")
+				$groupBy = implode(', ', $this->groups);
+			return $groupBy;
+		}
+
+		/**
+		 * Return orderby sql
+		 * @return string
+		 */
+		function getOrderByString(){
+			if(!$this->_orderByString){
+			    if(count($this->orderby) === 0) return '';
+			    $orderBy = '';
+			    foreach($this->orderby as $order){
+    				$orderBy .= $order->toString() .', ';
+			    }
+			    $orderBy = substr($orderBy, 0, -2);
+			    $this->_orderByString = $orderBy;
+			}
+			return $this->_orderByString;
+		}
+
+		function getLimit(){
+			return $this->limit;
+		}
+
+		/**
+		 * Return limit sql
+		 * @return string
+		 */
+		function getLimitString(){
+			$limit = '';
+			if(count($this->limit) > 0){
+				$limit = '';
+				$limit .= $this->limit->toString();
+			}
+			return $limit;
+		}
+
+		function getFirstTableName(){
+			return $this->tables[0]->getName();
+		}
+
+		/**
+		 * Return argument list
+		 * @return array
+		 */
+		function getArguments(){
+			if(!isset($this->arguments)){
+				$this->arguments = array();
+
+				// Join table arguments
+				if(count($this->tables) > 0)
+				{
+					foreach($this->tables as $table)
+					{
+						if($table->isJoinTable() || is_a($table, 'Subquery'))
+						{
+							$args = $table->getArguments();
+							if($args) $this->arguments = array_merge($this->arguments, $args);
+						}
+					}
+				}
+				
+				// Column arguments
+				if(count($this->columns) > 0){ // The if is for delete statements, all others must have columns
+					foreach($this->columns as $column){
+						if($column->show()){
+							$args = $column->getArguments();
+							if($args) $this->arguments = array_merge($this->arguments, $args);
+						}
+					}
+				}
+
+				// Condition arguments
+				if(count($this->conditions) > 0)
+					foreach($this->conditions as $conditionGroup){
+						$args = $conditionGroup->getArguments();
+						if(count($args) > 0) $this->arguments = array_merge($this->arguments, $args);
+					}
+
+				// Navigation arguments
+				if(count($this->orderby) > 0)
+					foreach($this->orderby as $order){
+						$args = $order->getArguments();
+						if(count($args) > 0) $this->arguments = array_merge($this->arguments, $args);
+					}
+			}
+			return $this->arguments;
+		}
+	}
+
+
+
+?>

classes/db/queryparts/Subquery.class.php

@@ -1,9 +1,33 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts
+	 * @version 0.1
+	 */
 	class Subquery extends Query {
+		/**
+		 * table alias
+		 * @var string
+		 */
 		var $alias;
+		/**
+		 * join type
+		 * @var string
+		 */
 		var $join_type;
 
+		/**
+		 * constructor
+		 * @param string $alias
+		 * @param string|array $columns
+		 * @param string|array $tables
+		 * @param string|array $conditions
+		 * @param string|array $groups
+		 * @param string|array $orderby
+		 * @param int $limit
+		 * @param string $join_type
+		 * @return void
+		 */
 		function Subquery($alias, $columns, $tables, $conditions, $groups, $orderby, $limit, $join_type = null){
 			$this->alias = $alias;
 

classes/db/queryparts/condition/Condition.class.php

@@ -1,9 +1,27 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/condition
+	 * @version 0.1
+	 */
 	class Condition {
+		/**
+		 * column name
+		 * @var string
+		 */
 		var $column_name;
 		var $argument;
+		/**
+		 * operation can use 'equal', 'more', 'excess', 'less', 'below', 'like_tail', 'like_prefix', 'like', 'notlike_tail',
+		 * 'notlike_prefix', 'notlike', 'in', 'notin', 'not_in', 'and', 'or', 'xor', 'not', 'notequal', 'between'
+		 * 'null', 'notnull'
+		 * @var string
+		 */
 		var $operation;
+		/**
+		 * pipe can use 'and', 'or'...
+		 * @var string
+		 */
 		var $pipe;
 
 		var $_value;
@@ -11,6 +29,14 @@
                 var $_show;
                 var $_value_to_string;
 
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param mixed $argument
+		 * @param string $operation
+		 * @param string $pipe
+		 * @return void
+		 */
 		function Condition($column_name, $argument, $operation, $pipe){
 			$this->column_name = $column_name;
 			$this->argument = $argument;
@@ -23,6 +49,11 @@
 			return null;
 		}
 
+		/**
+		 * value to string
+		 * @param boolean $withValue
+		 * @return string
+		 */
 		function toString($withValue = true){
 			if (!isset($this->_value_to_string)) {
 				if (!$this->show()) 
@@ -41,10 +72,18 @@
 			return $this->_value_to_string;
 		}
 
+		/**
+		 * change string without value
+		 * @return string
+		 */
 		function toStringWithoutValue(){
                     return $this->pipe . ' ' . $this->getConditionPart($this->_value);
 		}
 
+		/**
+		 * change string with value
+		 * @return string
+		 */
 		function toStringWithValue(){
                     return $this->pipe . ' ' . $this->getConditionPart($this->_value);
 		}
@@ -53,6 +92,9 @@
 			$this->pipe = $pipe;
 		}
 
+		/**
+		 * @return boolean
+		 */
 		function show(){
                     if(!isset($this->_show)){
                         if(is_array($this->_value) && count($this->_value) === 1 && $this->_value[0] === '') {
@@ -74,6 +116,7 @@
                                 case 'notlike' :
                                 case 'in' :
                                 case 'notin' :
+								case 'not_in' :
                                 case 'and':
                                 case 'or':
                                 case 'xor':
@@ -82,17 +125,32 @@
                                         // if variable is not set or is not string or number, return
                                         if(!isset($this->_value)) { $this->_show = false; break;}
                                         if($this->_value === '') { $this->_show = false; break; }
-                                        if(!in_array(gettype($this->_value), array('string', 'integer'))) {$this->_show = false; break; }
+										$tmpArray = array('string'=>1, 'integer'=>1);
+                                        if(!isset($tmpArray[gettype($this->_value)]))
+										{
+											$this->_show = false; break;
+										}
                                         break;
                                 case 'between' :
                                         if(!is_array($this->_value)) { $this->_show = false; break;}
                                         if(count($this->_value)!=2) {$this->_show = false; break;}
+								case 'null':
+								case 'notnull':
+									break;
+								default:
+									// If operation is not one of the above, means the condition is invalid
+									$this->_show = false;
                             }
                         }
                     }
                     return $this->_show;
 		}
 
+		/**
+		 * Return condition string
+		 * @param int|string|array $value
+		 * @return string
+		 */
 		function getConditionPart($value) {
                     $name = $this->column_name;
                     $operation = $this->operation;
@@ -131,6 +189,7 @@
                                     return $name.' in '.$value;
                                 break;
                             case 'notin' :
+							case 'not_in' :
                                     return $name.' not in '.$value;
                                 break;
                             case 'notequal' :

classes/db/queryparts/condition/ConditionGroup.class.php

@@ -1,12 +1,30 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/condition
+	 * @version 0.1
+	 */
 	class ConditionGroup {
+		/**
+		 * condition list
+		 * @var array
+		 */
 		var $conditions;
+		/**
+		 * pipe can use 'and', 'or'...
+		 * @var string
+		 */
 		var $pipe;
 
                 var $_group;
                 var $_show;
 
+		/**
+		 * constructor
+		 * @param array $conditions
+		 * @param string $pipe
+		 * @return void
+		 */
 		function ConditionGroup($conditions, $pipe = "") {
                         $this->conditions = array();
                         foreach($conditions as $condition){
@@ -28,6 +46,11 @@
                     $this->pipe = $pipe;
                 }
 
+		/**
+		 * value to string
+		 * @param boolean $with_value
+		 * @return string
+		 */
 		function toString($with_value = true){
                     if(!isset($this->_group)){
 			$cond_indx = 0;
@@ -48,6 +71,10 @@
                     return $this->_group;
 		}
 
+		/**
+		 * return argument list
+		 * @return array
+		 */
 		function getArguments(){
                     $args = array();
                     foreach($this->conditions as $condition){
@@ -57,4 +84,4 @@
                     return $args;
 		}
 	}
-?>
+?>

classes/db/queryparts/condition/ConditionSubquery.class.php

@@ -1,7 +1,19 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/condition
+	 * @version 0.1
+	 */
 	class ConditionSubquery extends Condition {
 
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param mixed $argument
+		 * @param string $operation
+		 * @param string $pipe
+		 * @return void
+		 */
             function ConditionSubquery($column_name, $argument, $operation, $pipe = ""){
                 parent::Condition($column_name, $argument, $operation, $pipe);
                 $this->_value = $this->argument->toString();

classes/db/queryparts/condition/ConditionWithArgument.class.php

@@ -1,7 +1,19 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/condition
+	 * @version 0.1
+	 */
 	class ConditionWithArgument extends Condition {
 
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param mixed $argument
+		 * @param string $operation
+		 * @param string $pipe
+		 * @return void
+		 */
             function ConditionWithArgument($column_name, $argument, $operation, $pipe = ""){
                     if($argument === null) { $this->_show = false; return; }
                         parent::Condition($column_name, $argument, $operation, $pipe);
@@ -13,6 +25,10 @@
                     return $this->argument;
 		}
 
+		/**
+		 * change string without value
+		 * @return string
+		 */
 		function toStringWithoutValue(){
 			$value = $this->argument->getUnescapedValue();
 
@@ -37,6 +53,9 @@
 			return $this->pipe . ' ' . $this->getConditionPart($q);
 		}
 
+		/**
+		 * @return boolean
+		 */
 		function show(){
                     if(!isset($this->_show)){
                         if(!$this->argument->isValid()) $this->_show = false;

classes/db/queryparts/condition/ConditionWithoutArgument.class.php

@@ -1,9 +1,22 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/condition
+	 * @version 0.1
+	 */
 	class ConditionWithoutArgument extends Condition {
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param mixed $argument
+		 * @param string $operation
+		 * @param string $pipe
+		 * @return void
+		 */
 		function ConditionWithoutArgument($column_name, $argument, $operation, $pipe = ""){
                     parent::Condition($column_name, $argument, $operation, $pipe);
-                    if(in_array($operation, array('in', 'notin'))){
+					$tmpArray = array('in'=>1, 'notin'=>1, 'not_in'=>1);
+                    if(isset($tmpArray[$operation])){
                         if(is_array($argument)) $argument = implode($argument, ',');
                         $this->_value = '('. $argument .')';
                     }

classes/db/queryparts/expression/ClickCountExpression.class.php

@@ -1,15 +1,24 @@
 <?php 
-
 	/**
-	 * @class ClickCountExpression
+	 * ClickCountExpression
 	 * @author Arnia Software
-	 * @brief 
-	 *
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
 	 */
-
 	class ClickCountExpression extends SelectExpression {
+		/**
+		 * click count
+		 * @var bool
+		 */
 		var $click_count;
 	
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param string $alias
+		 * @param bool $click_count
+		 * @return void
+		 */
 		function ClickCountExpression($column_name, $alias = NULL, $click_count = false){
 			parent::SelectExpression($column_name, $alias);
 			
@@ -25,9 +34,13 @@
 			return $this->click_count;
 		}
 		
+		/**
+		 * Return column expression, ex) column = column + 1
+		 * @return string
+		 */
 		function getExpression(){
 			return "$this->column_name = $this->column_name + 1";
 		}
 	}
 
-?>
+?>

classes/db/queryparts/expression/DeleteExpression.class.php

@@ -1,20 +1,35 @@
 <?php 
 	/**
-	 * @class DeleteExpression
-	 * @author Arnia Software
-	 * @brief 
+	 * DeleteExpression
 	 *
+	 * @author Arnia Software
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
+	 * @todo Fix this class 
 	 */
 
-	// TODO Fix this class 
 	class DeleteExpression extends Expression {
+		/**
+		 * column value
+		 * @var mixed
+		 */
 		var $value;
 		
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param mixed $value
+		 * @return void
+		 */
 		function DeleteExpression($column_name, $value){
 			parent::Expression($column_name);
 			$this->value = $value;
 		}
 		
+		/**
+		 * Return column expression, ex) column = value
+		 * @return string
+		 */
 		function getExpression(){
 			return "$this->column_name = $this->value";
 		}
@@ -32,4 +47,4 @@
 	}
 
 
-?>
+?>

classes/db/queryparts/expression/Expression.class.php

@@ -1,18 +1,28 @@
 <?php
 	/**
-	 * @class Expression
-	 * @author Corina
-	 * @brief Represents an expression used in select/update/insert/delete statements
+	 * Expression
+	 * Represents an expression used in select/update/insert/delete statements
 	 * 
 	 *  Examples (expressions are inside double square brackets):
 	 *  	select [[columnA]], [[columnB as aliasB]] from tableA
 	 *  	update tableA set [[columnA = valueA]] where columnB = something
 	 *
+	 * @author Corina
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
 	 */
-
 	class Expression {
+		/**
+		 * column name
+		 * @var string
+		 */
 		var $column_name;
 		
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @return void
+		 */
 		function Expression($column_name){
 			$this->column_name = $column_name;
 		}
@@ -25,6 +35,10 @@
 			return false;
 		}
 		
+		/**
+		 * Return column expression, ex) column as alias
+		 * @return string
+		 */
 		function getExpression() {
 		}
-	}
+	}

classes/db/queryparts/expression/InsertExpression.class.php

@@ -1,15 +1,24 @@
 <?php
-
 	/**
-	 * @class InsertExpression
-	 * @author Arnia Software
-	 * @brief
+	 * InsertExpression
 	 *
+	 * @author Arnia Software
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
 	 */
-
 	class InsertExpression extends Expression {
+		/**
+		 * argument
+		 * @var object
+		 */
 		var $argument;
 
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param object $argument
+		 * @return void
+		 */
 		function InsertExpression($column_name, $argument){
 			parent::Expression($column_name);
 			$this->argument = $argument;

classes/db/queryparts/expression/SelectExpression.class.php

@@ -1,26 +1,40 @@
 <?php
-
 	/**
-	 * @class SelectExpression
-	 * @author Arnia Software
-	 * @brief Represents an expresion that appears in the select clause
+	 * SelectExpression
+	 * Represents an expresion that appears in the select clause
 	 *
-	 * @remarks
 	 * 		$column_name can be:
 	 *  		- a table column name
 	 *  		- an sql function - like count(*)
 	 *	  		- an sql expression - substr(column_name, 1, 8) or score1 + score2
 	 *		$column_name is already escaped
+	 *
+	 * @author Arnia Software
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
 	 */
-
 	class SelectExpression extends Expression {
+		/**
+		 * column alias name
+		 * @var string
+		 */
 		var $column_alias;
 
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param string $alias
+		 * @return void
+		 */
 		function SelectExpression($column_name, $alias = NULL){
 			parent::Expression($column_name);
 			$this->column_alias = $alias;
 		}
 
+		/**
+		 * Return column expression, ex) column as alias
+		 * @return string
+		 */
 		function getExpression() {
 			return sprintf("%s%s", $this->column_name, $this->column_alias ? " as ".$this->column_alias : "");
 		}

classes/db/queryparts/expression/StarExpression.class.php

@@ -1,14 +1,17 @@
 <?php 
-
 	/**
-	 * @class StarExpression
-	 * @author Corina
-	 * @brief Represents the * in 'select * from ...' statements 
+	 * StarExpression
+	 * Represents the * in 'select * from ...' statements 
 	 *
+	 * @author Corina
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
 	 */
-
 	class StarExpression extends SelectExpression {
-		
+		/**
+		 * constructor, set the column to asterisk
+		 * @return void
+		 */
 		function StarExpression(){
 			parent::SelectExpression("*");
 		}

classes/db/queryparts/expression/UpdateExpression.class.php

@@ -1,25 +1,43 @@
 <?php
 	/**
-	 * @class UpdateExpression
-	 * @author Arnia Software
-	 * @brief
+	 * UpdateExpression
 	 *
+	 * @author Arnia Software
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
 	 */
-
 	class UpdateExpression extends Expression {
+		/**
+		 * argument
+		 * @var object
+		 */
 		var $argument;
 
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param object $argument
+		 * @return void
+		 */
 		function UpdateExpression($column_name, $argument){
 			parent::Expression($column_name);
 			$this->argument = $argument;
 		}
 
+		/**
+		 * Return column expression, ex) column = value
+		 * @return string
+		 */
 		function getExpression($with_value = true){
 			if($with_value)
 				return $this->getExpressionWithValue();
 			return $this->getExpressionWithoutValue();
 		}
 
+		/**
+		 * Return column expression, ex) column = value
+		 * @return string
+		 */
 		function getExpressionWithValue(){
 			$value = $this->argument->getValue();
                         $operation = $this->argument->getColumnOperation();
@@ -28,6 +46,11 @@
 			return "$this->column_name = $value";
 		}
 
+		/**
+		 * Return column expression, ex) column = ?
+		 * Can use prepare statement
+		 * @return string
+		 */
 		function getExpressionWithoutValue(){
                         $operation = $this->argument->getColumnOperation();
                         if(isset($operation))

classes/db/queryparts/expression/UpdateExpressionWithoutArgument.class.php

@@ -1,14 +1,24 @@
 <?php
 	/**
-	 * @class UpdateExpression
-	 * @author Arnia Software
-	 * @brief
+	 * UpdateExpression
 	 *
+	 * @author Arnia Software
+	 * @package /classes/db/queryparts/expression
+	 * @version 0.1
 	 */
-
 	class UpdateExpressionWithoutArgument extends UpdateExpression {
+		/**
+		 * argument
+		 * @var object
+		 */
 		var $argument;
 
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param object $argument
+		 * @return void
+		 */
 		function UpdateExpressionWithoutArgument($column_name, $argument){
 			parent::Expression($column_name);
 			$this->argument = $argument;
@@ -35,11 +45,11 @@
 		function getArgument(){
 			return null;
 		}
-		
+	
 		function getArguments(){
 			return array();
 		}
 	}
 
 
-?>
+?>

classes/db/queryparts/limit/Limit.class.php

@@ -1,10 +1,38 @@
 <?php 
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/limit
+	 * @version 0.1
+	 */
 	class Limit {
+		/**
+		 * start number
+		 * @var int
+		 */
 		var $start;
+		/**
+		 * list count
+		 * @var int
+		 */
 		var $list_count;
+		/**
+		 * page count
+		 * @var int
+		 */
 		var $page_count;
+		/**
+		 * current page
+		 * @var int
+		 */
 		var $page;
 
+		/**
+		 * constructor
+		 * @param int $list_count
+		 * @param int $page
+		 * @param int $page_count
+		 * @return void
+		 */
 		function Limit($list_count, $page= NULL, $page_count= NULL){
 			$this->list_count = $list_count;
 			if ($page){
@@ -16,7 +44,11 @@
 			}			
 		}
 		
-		function isPageHandler(){//in case you choose to use query limit in other cases than page select
+		/**
+		 * In case you choose to use query limit in other cases than page select
+		 * @return boolean
+		 */
+		function isPageHandler(){
 			if ($this->page)return true;
 			else return false;
 		}
@@ -34,4 +66,4 @@
 			else return $this->list_count->getValue();
 		}
 	}
-?>
+?>

classes/db/queryparts/order/OrderByColumn.class.php

@@ -1,8 +1,27 @@
 <?php 
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/order
+	 * @version 0.1
+	 */
 	class OrderByColumn {
+		/**
+		 * column name
+		 * @var string
+		 */
 		var $column_name;
+		/**
+		 * sort order
+		 * @var string
+		 */
 		var $sort_order;
 		
+		/**
+		 * constructor
+		 * @param string $column_name
+		 * @param string $sort_order
+		 * @return void
+		 */
 		function OrderByColumn($column_name, $sort_order){
 			$this->column_name = $column_name;
 			$this->sort_order = $sort_order;
@@ -28,4 +47,4 @@
 		}
 	}
 
-?>
+?>

classes/db/queryparts/table/CubridTableWithHint.class.php

@@ -1,15 +1,42 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/table
+	 * @version 0.1
+	 */
 	class CubridTableWithHint extends Table {
+		/**
+		 * table name
+		 * @var string
+		 */
 		var $name;
+		/**
+		 * table alias
+		 * @var string
+		 */
 		var $alias;
+		/**
+		 * index hint list
+		 * @var array
+		 */
                 var $index_hints_list;
 
+		/**
+		 * constructor
+		 * @param string $name
+		 * @param string $alias
+		 * @param array $index_hints_list
+		 * @return void
+		 */
 		function CubridTableWithHint($name, $alias = NULL, $index_hints_list){
                     parent::Table($name, $alias);
                     $this->index_hints_list = $index_hints_list;
 		}
 
+		/**
+		 * Return index hint string
+		 * @return string
+		 */
 		function getIndexHintString(){
                     $result = '';
 
@@ -32,4 +59,4 @@
 		}
 	}
 
-?>
+?>

classes/db/queryparts/table/IndexHint.class.php

@@ -1,9 +1,27 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/table
+	 * @version 0.1
+	 */
 	class IndexHint {
+		/**
+		 * index name
+		 * @var string
+		 */
 		var $index_name;
+		/**
+		 * index hint type, ex) IGNORE, FORCE, USE...
+		 * @var string
+		 */
 		var $index_hint_type;
 
+		/**
+		 * constructor
+		 * @param string $index_name
+		 * @param string $index_hint_type
+		 * @return void
+		 */
 		function IndexHint($index_name, $index_hint_type){
                     $this->index_name = $index_name;
                     $this->index_hint_type = $index_hint_type;
@@ -18,4 +36,4 @@
                 }
 	}
 
-?>
+?>

classes/db/queryparts/table/JoinTable.class.php

@@ -1,19 +1,32 @@
 <?php 
-
 	/**
-	 * @class JoinTable
-	 * @author Arnia Software
-	 * @brief 
-	 * 
-	 * @remarks
+	 * class JoinTable
 	 * 		$conditions in an array of Condition objects 
-	 *
+	 * 
+	 * @author Arnia Software
+	 * @package /classes/db/queryparts/table
+	 * @version 0.1
 	 */
-
 	class JoinTable extends Table {
+		/**
+		 * join type
+		 * @var string
+		 */
 		var $join_type;
+		/**
+		 * condition list
+		 * @var array
+		 */
 		var $conditions;
 		
+		/**
+		 * constructor
+		 * @param string $name
+		 * @param string $alias
+		 * @param string $join_type
+		 * @param array $conditions
+		 * @return void
+		 */
 		function JoinTable($name, $alias, $join_type, $conditions){
 			parent::Table($name, $alias);
 			$this->join_type = $join_type;
@@ -43,4 +56,4 @@
 		
 	}
 
-?>
+?>

classes/db/queryparts/table/MssqlTableWithHint.class.php

@@ -1,10 +1,33 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/table
+	 * @version 0.1
+	 */
 	class MssqlTableWithHint extends Table {
+		/**
+		 * table name
+		 * @var string
+		 */
 		var $name;
+		/**
+		 * table alias
+		 * @var string
+		 */
 		var $alias;
+		/**
+		 * index hint type, ex) IGNORE, FORCE, USE...
+		 * @var array
+		 */
                 var $index_hints_list;
 
+		/**
+		 * constructor
+		 * @param string $name
+		 * @param string $alias
+		 * @param string $index_hints_list
+		 * @return void
+		 */
 		function MssqlTableWithHint($name, $alias = NULL, $index_hints_list){
                     parent::Table($name, $alias);
                     $this->index_hints_list = $index_hints_list;
@@ -14,9 +37,10 @@
                     $result = parent::toString();
 
                     $index_hint_string = '';
+					$indexTypeList = array('USE'=>1, 'FORCE'=>1);
                     foreach($this->index_hints_list as $index_hint){
                         $index_hint_type = $index_hint->getIndexHintType();
-                        if(in_array($index_hint_type, array('USE', 'FORCE')))
+                        if(isset($indexTypeList[$index_hint_type]))
                                 $index_hint_string .= 'INDEX(' . $index_hint->getIndexName() . '), ';
                     }
                     if($index_hint_string != ''){
@@ -26,4 +50,4 @@
                 }
 	}
 
-?>
+?>

classes/db/queryparts/table/MysqlTableWithHint.class.php

@@ -1,10 +1,33 @@
 <?php
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/table
+	 * @version 0.1
+	 */
 	class MysqlTableWithHint extends Table {
+		/**
+		 * table name
+		 * @var string
+		 */
 		var $name;
+		/**
+		 * table alias
+		 * @var string
+		 */
 		var $alias;
+		/**
+		 * index hint type, ex) IGNORE, FORCE, USE...
+		 * @var array
+		 */
                 var $index_hints_list;
 
+		/**
+		 * constructor
+		 * @param string $name
+		 * @param string $alias
+		 * @param string $index_hints_list
+		 * @return void
+		 */
 		function MysqlTableWithHint($name, $alias = NULL, $index_hints_list){
                     parent::Table($name, $alias);
                     $this->index_hints_list = $index_hints_list;
@@ -33,4 +56,4 @@
                 }
 	}
 
-?>
+?>

classes/db/queryparts/table/Table.class.php

@@ -1,9 +1,27 @@
 <?php 
-
+	/**
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/db/queryparts/table
+	 * @version 0.1
+	 */
 	class Table {
+		/**
+		 * table name
+		 * @var string
+		 */
 		var $name;
+		/**
+		 * table alias
+		 * @var string
+		 */
 		var $alias;
 		
+		/**
+		 * constructor
+		 * @param string $name
+		 * @param string $alias
+		 * @return void
+		 */
 		function Table($name, $alias = NULL){
 			$this->name = $name;
 			$this->alias = $alias;
@@ -27,4 +45,4 @@
 		}
 	}
 
-?>
+?>

classes/display/DisplayHandler.class.php

@@ -2,7 +2,7 @@
     /**
     * @class DisplayHandler
     * @author NHN (developers@xpressengine.com)
-    * @brief DisplayHandler is responsible for displaying the execution result. \n
+    *  DisplayHandler is responsible for displaying the execution result. \n
     *  Depending on the request type, it can display either HTML or XML content.\n
     *  Xml content is simple xml presentation of variables in oModule while html content
     *   is the combination of the variables of oModue and template files/.
@@ -16,11 +16,11 @@
 		var $handler = null;
 
         /**
-         * @brief print either html or xml content given oModule object
-         * @remark addon execution and the trigger execution are included within this method, which
-         * might create inflexibility for the fine grained caching
-        * @param[in] $oModule the module object
-        **/
+         * print either html or xml content given oModule object
+         * @remark addon execution and the trigger execution are included within this method, which might create inflexibility for the fine grained caching
+         * @param ModuleObject $oModule the module object
+		 * @return void
+         **/
         function printContent(&$oModule) {
             // Check if the gzip encoding supported
             if(
@@ -82,9 +82,10 @@
 
 
         /**
-         * @brief Print debugging message to designated output source depending on the value set to __DEBUG_OUTPUT_. \n
-         *  This method only functions when __DEBUG__ variable is set to 1.
-         *  __DEBUG_OUTPUT__ == 0, messages are written in ./files/_debug_message.php
+         * Print debugging message to designated output source depending on the value set to __DEBUG_OUTPUT_. \n
+         * This method only functions when __DEBUG__ variable is set to 1.
+         * __DEBUG_OUTPUT__ == 0, messages are written in ./files/_debug_message.php
+		 * @return void
          **/
         function _debugOutput() {
             if(!__DEBUG__) return;
@@ -221,7 +222,8 @@
         }
 
 		/**
-		 * @brief print a HTTP HEADER for XML, which is encoded in UTF-8
+		 * print a HTTP HEADER for XML, which is encoded in UTF-8
+		 * @return void
 		 **/
 		function _printXMLHeader() {
 			header("Content-Type: text/xml; charset=UTF-8");
@@ -234,7 +236,8 @@
 
 
 		/**
-		 * @brief print a HTTP HEADER for HTML, which is encoded in UTF-8
+		 * print a HTTP HEADER for HTML, which is encoded in UTF-8
+		 * @return void
 		 **/
 		function _printHTMLHeader() {
 			header("Content-Type: text/html; charset=UTF-8");
@@ -247,7 +250,8 @@
 
 
 		/**
-		 * @brief print a HTTP HEADER for JSON, which is encoded in UTF-8
+		 * print a HTTP HEADER for JSON, which is encoded in UTF-8
+		 * @return void
 		 **/
 		function _printJSONHeader() {
 			header("Content-Type: text/html; charset=UTF-8");
@@ -260,7 +264,8 @@
 
 
 		/**
-		 * @brief print a HTTP HEADER for HTML, which is encoded in UTF-8
+		 * print a HTTP HEADER for HTML, which is encoded in UTF-8
+		 * @return void
 		 **/
 		function _printHttpStatusCode($code) {
 			$statusMessage = Context::get('http_status_message');

classes/display/HTMLDisplayHandler.php

@@ -2,8 +2,9 @@
 
 class HTMLDisplayHandler {
 	/**
-	 * @brief Produce HTML compliant content given a module object.\n
-	 * @param[in] $oModule the module object
+	 * Produce HTML compliant content given a module object.\n
+	 * @param ModuleObject $oModule the module object
+	 * @return string compiled template string
 	 **/
 	function toDoc(&$oModule)
 	{
@@ -79,6 +80,11 @@ class HTMLDisplayHandler {
 		return $output;
 	}
 
+	/**
+	 * when display mode is HTML, prepare code before print.
+	 * @param string $output compiled template string
+	 * @return void
+	 **/
 	function prepareToPrint(&$output) {
 		if(Context::getResponseMethod() != 'HTML') return;
 
@@ -151,6 +157,11 @@ class HTMLDisplayHandler {
 		$oModuleController->replaceDefinedLangCode($output);
 	}
 
+	/**
+	 * when display mode is HTML, prepare code before print about <input> tag value.
+	 * @param array $match input value.
+	 * @return string input value.
+	 **/
 	function _preserveValue($match)
 	{
 		$INPUT_ERROR = Context::get('INPUT_ERROR');
@@ -164,7 +175,7 @@ class HTMLDisplayHandler {
 		switch($type){
 			case 'text':
 			case 'hidden':
-				$str = preg_replace('@\svalue="[^"]*?"@', ' ', $str).' value="'.htmlspecialchars($INPUT_ERROR[$match[3]]).'"';
+				$str = preg_replace('@\svalue="[^"]*?"@', ' ', $str).' value="'.@htmlspecialchars($INPUT_ERROR[$match[3]]).'"';
 				break;
 			case 'password':
 				$str = preg_replace('@\svalue="[^"]*?"@', ' ', $str);
@@ -172,7 +183,7 @@ class HTMLDisplayHandler {
 			case 'radio':
 			case 'checkbox':
 				$str = preg_replace('@\schecked(="[^"]*?")?@', ' ', $str);
-				if(preg_match('@\s(?i:value)="'.$INPUT_ERROR[$match[3]].'"@', $str)) {
+				if(@preg_match('@\s(?i:value)="'.$INPUT_ERROR[$match[3]].'"@', $str)) {
 					$str .= ' checked="checked"';
 				}
 				break;
@@ -181,6 +192,11 @@ class HTMLDisplayHandler {
 		return $str.' />';
 	}
 
+	/**
+	 * when display mode is HTML, prepare code before print about <select> tag value.
+	 * @param array $matches select tag.
+	 * @return string select tag.
+	 **/
 	function _preserveSelectValue($matches)
 	{
 		$INPUT_ERROR = Context::get('INPUT_ERROR');
@@ -200,6 +216,11 @@ class HTMLDisplayHandler {
 		return $mm[0].implode('', $m[0]).'</select>';
 	}
 
+	/**
+	 * when display mode is HTML, prepare code before print about <textarea> tag value.
+	 * @param array $matches textarea tag information.
+	 * @return string textarea tag
+	 **/
 	function _preserveTextAreaValue($matches)
 	{
 		$INPUT_ERROR = Context::get('INPUT_ERROR');
@@ -208,23 +229,29 @@ class HTMLDisplayHandler {
 	}
 
 	/**
-	 * @brief add html style code extracted from html body to Context, which will be
+	 * add html style code extracted from html body to Context, which will be
 	 * printed inside <header></header> later.
-	 * @param[in] $oModule the module object
+	 * @param array $matches
+	 * @return void
 	 **/
 	function _moveStyleToHeader($matches) {
 		Context::addHtmlHeader($matches[0]);
 	}
 
 	/**
-	 * @brief add given .css or .js file names in widget code to Context
-	 * @param[in] $oModule the module object
+	 * add given .css or .js file names in widget code to Context
+	 * @param array $matches
+	 * @return void
 	 **/
 	function _transMeta($matches) {
 		if($matches[1]) return '';
 		Context::loadFile($matches[2]);
 	}
 
+	/**
+	 * import basic .js files.
+	 * @return void
+	 **/
 	function _loadJSCSS()
 	{
 		$oContext  =& Context::getInstance();
@@ -260,6 +287,10 @@ class HTMLDisplayHandler {
 		}
 	}
 
+	/**
+	 * add meta tag.
+	 * @return void
+	 **/
 	function _addMetaTag()
 	{
 		$oContext =& Context::getInstance();

classes/display/JSONDisplayHandler.php

@@ -1,6 +1,11 @@
 <?php
 
 class JSONDisplayHandler {
+	/**
+	 * Produce JSON compliant content given a module object.\n
+	 * @param ModuleObject $oModule the module object
+	 * @return string
+	 **/
 	function toDoc(&$oModule)
 	{
 		$variables = $oModule->getVariables();

classes/display/VirtualXMLDisplayHandler.php

@@ -2,8 +2,9 @@
 
 class VirtualXMLDisplayHandler {
 	/**
-	 * @brief Produce virtualXML compliant content given a module object.\n
-	 * @param[in] $oModule the module object
+	 * Produce virtualXML compliant content given a module object.\n
+	 * @param ModuleObject $oModule the module object
+	 * @return string
 	 **/
 
 	function toDoc(&$oModule)

classes/display/XMLDisplayHandler.php

@@ -2,8 +2,9 @@
 
 class XMLDisplayHandler {
 	/**
-	 * @brief Produce XML compliant content given a module object.\n
-	 * @param[in] $oModule the module object
+	 * Produce XML compliant content given a module object.\n
+	 * @param ModuleObject $oModule the module object
+	 * @return string
 	 **/
 	function toDoc(&$oModule)
 	{
@@ -21,8 +22,9 @@ class XMLDisplayHandler {
 	}
 
 	/**
-	 * @brief produce XML code given variable object\n
-	 * @param[in] $oModule the module object
+	 * produce XML code given variable object\n
+	 * @param object $obj 
+	 * @return string
 	 **/
 	function _makeXmlDoc($obj) {
 		if(!count($obj)) return;

classes/editor/EditorHandler.class.php

@@ -10,7 +10,9 @@
     class EditorHandler extends Object {
 
         /**
-         * @brief set the xml and other information of the component
+         * set the xml and other information of the component
+		 * @param object $info editor information
+		 * @return void
          **/
         function setInfo($info) {
             Context::set('component_info', $info);

classes/extravar/Extravar.class.php

@@ -1,32 +1,48 @@
 <?php
     /**
-     * @class ExtraVar
+     * A class to handle extra variables used in posts, member and others
+	 *
      * @author NHN (developers@xpressengine.com)
-     * @brief a class to handle extra variables used in posts, member and others
-     *
      **/
     class ExtraVar {
 
+		/**
+		 * sequence of module
+		 * @var int
+		 */
         var $module_srl = null;
+
+		/**
+		 * Current module's Set of ExtraItem
+		 * @var ExtraItem[]
+		 */
         var $keys = null;
 
         /**
-         * @brief constructor
+         * Get instance of ExtraVar (singleton)
+		 *
+		 * @param int $module_srl Sequence of module
+		 * @return ExtraVar
          **/
         function &getInstance($module_srl) {
             return new ExtraVar($module_srl);
         }
 
         /**
-         * @brief constructor
+         * Constructor
+		 *
+		 * @param int $module_srl Sequence of module
+		 * @return void
          **/
         function ExtraVar($module_srl) {
             $this->module_srl = $module_srl;
         }
 
         /**
-         * @brief register a key of extra variable
-         * @param module_srl, idx, name, type, default, desc, is_required, search, value
+         * Register a key of extra variable
+		 * 
+		 * @param object[] $extra_keys Array of extra variable. A value of array is object that contains module_srl, idx, name, default, desc, is_required, search, value, eid.
+         * @return void
          **/
         function setExtraVarKeys($extra_keys) {
             if(!is_array($extra_keys) || !count($extra_keys)) return;
@@ -38,7 +54,9 @@
         }
 
         /**
-         * @brief Return an array of extra vars
+         * Returns an array of ExtraItem
+		 *
+		 * @return ExtraItem[]
          **/
         function getExtraVars() {
             return $this->keys;
@@ -46,24 +64,84 @@
     }
 
     /**
-     * @class ExtraItem
+     * Each value of the extra vars
+	 *
      * @author NHN (developers@xpressengine.com)
-     * @brief each value of the extra vars
      **/
     class ExtraItem {
+		/**
+		 * Sequence of module
+		 * @var int
+		 */
         var $module_srl = 0;
+
+		/**
+		 * Index of extra variable
+		 * @var int
+		 */
         var $idx = 0;
+
+		/**
+		 * Name of extra variable
+		 * @var string
+		 */
         var $name = 0;
+
+		/**
+		 * Type of extra variable
+		 * @var string text, homepage, email_address, tel, textarea, checkbox, date, select, radio, kr_zip
+		 */
         var $type = 'text';
+
+		/**
+		 * Default values
+		 * @var string[]
+		 */
         var $default = null;
+
+		/**
+		 * Description
+		 * @var string
+		 */
         var $desc = '';
+
+		/**
+		 * Whether required or not requred this extra variable
+		 * @var string Y, N
+		 */
         var $is_required = 'N';
+
+		/**
+		 * Whether can or can not search this extra variable
+		 * @var string Y, N
+		 */
         var $search = 'N';
+
+		/**
+		 * Value
+		 * @var string
+		 */
         var $value = null;
+
+		/**
+		 * Unique id of extra variable in module
+		 * @var string
+		 */
         var $eid = '';
 
         /**
-         * @brief constructor
+         * Constructor
+		 *
+		 * @param int $module_srl Sequence of module
+		 * @param int $idx Index of extra variable
+		 * @param string $type Type of extra variable. text, homepage, email_address, tel, textarea, checkbox, date, sleect, radio, kr_zip
+		 * @param string[] $default Default values
+		 * @param string $desc Description
+		 * @param string $is_required Whether required or not requred this extra variable. Y, N
+		 * @param string $search Whether can or can not search this extra variable
+		 * @param string $value Value
+		 * @param string $eid Unique id of extra variable in module
+		 * @return void
          **/
         function ExtraItem($module_srl, $idx, $name, $type = 'text', $default = null, $desc = '', $is_required = 'N', $search = 'N', $value = null, $eid = '') {
             if(!$idx) return;
@@ -80,14 +158,21 @@
         }
 
         /**
-         * @brief Values
+         * Sets Value
+		 *
+		 * @param string $value The value to set
+		 * @return void
          **/
         function setValue($value) {
             $this->value = $value;
         }
 
         /**
-         * @brief return a given value converted based on its type
+         * Returns a given value converted based on its type
+		 *
+		 * @param string $type Type of variable
+		 * @param string $value Value
+		 * @return string Returns a converted value
          **/
         function _getTypeValue($type, $value) {
             $value = trim($value);
@@ -134,8 +219,9 @@
         }
 
         /**
-         * @brief Return value
-         * return the original values for HTML result
+         * Returns a value for HTML
+		 *
+		 * @return string Returns a value expressed in HTML.
          **/
         function getValueHTML() {
             $value = $this->_getTypeValue($this->type, $this->value);
@@ -174,7 +260,9 @@
         }
 
         /**
-         * @brief return a form based on its type
+         * Returns a form based on its type
+		 *
+		 * @return string Returns a form html.
          **/
         function getFormHTML() {
 			static $id_num = 1000;

classes/file/FileHandler.class.php

@@ -1,15 +1,15 @@
 <?php
 /**
- * @class FileHandler
+ * Contains methods for accessing file system
+ *
  * @author NHN (developers@xpressengine.com)
- * @brief contains methods for accessing file system
  **/
-
 class FileHandler {
 	/**
-	 * @brief changes path of target file, directory into absolute path
-	 * @param[in] $source path
-	 * @return absolute path 
+	 * Changes path of target file, directory into absolute path
+	 *
+	 * @param string $source path to change into absolute path
+	 * @return string Absolute path
 	 **/
 	function getRealPath($source) {
 		$temp = explode('/', $source);
@@ -18,13 +18,15 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief copy a directory to target 
-	 * @param[in] $source_dir path of source directory
-	 * @param[in] $target_dir path of target dir
-	 * @param[in] $filter
-	 * @param[in] $type
-	 * @remarks if target directory does not exist, this function creates it 
-	 * @return none
+	 * Copy a directory to target 
+	 *
+	 * If target directory does not exist, this function creates it 
+	 *
+	 * @param string $source_dir Path of source directory
+	 * @param string $target_dir Path of target dir
+	 * @param string $filter Regex to filter files. If file matches this regex, the file is not copied.
+	 * @param string $type If set as 'force'. Even if the file exists in target, the file is copied.
+	 * @return void
 	 **/
 	function copyDir($source_dir, $target_dir, $filter=null,$type=null){
 		$source_dir = FileHandler::getRealPath($source_dir);
@@ -53,11 +55,12 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief copy a file to target 
-	 * @param[in] $source path of source file
-	 * @param[in] $target path of target file
-	 * @param[in] $force Y: overwrite
-	 * @return none
+	 * Copy a file to target 
+	 *
+	 * @param string $source Path of source file
+	 * @param string $target Path of target file
+	 * @param string $force Y: overwrite
+	 * @return void
 	 **/
 	function copyFile($source, $target, $force='Y'){
 		setlocale(LC_CTYPE, 'en_US.UTF8', 'ko_KR.UTF8'); 
@@ -70,9 +73,10 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief returns the content of the file 
-	 * @param[in] $file_name path of target file
-	 * @return the content of the file. if target file does not exist, this function returns nothing.
+	 * Returns the content of the file 
+	 *
+	 * @param string $file_name Path of target file
+	 * @return string The content of the file. If target file does not exist, this function returns nothing.
 	 **/
 	function readFile($file_name) {
 		$file_name = FileHandler::getRealPath($file_name);
@@ -96,11 +100,12 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief write $buff into the specified file
-	 * @param[in] $file_name path of target file
-	 * @param[in] $buff content to be writeen
-	 * @param[in] $mode a(append) / w(write)
-	 * @return none
+	 * Write $buff into the specified file
+	 *
+	 * @param string $file_name Path of target file
+	 * @param string $buff Content to be writeen
+	 * @param string $mode a(append) / w(write)
+	 * @return void
 	 **/
 	function writeFile($file_name, $buff, $mode = "w") {
 		$file_name = FileHandler::getRealPath($file_name);
@@ -118,9 +123,10 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief remove a file
-	 * @param[in] $file_name path of target file
-	 * @return returns true on success or false on failure.
+	 * Remove a file
+	 *
+	 * @param string $file_name path of target file
+	 * @return bool Returns true on success or false on failure.
 	 **/
 	function removeFile($file_name) {
 		$file_name = FileHandler::getRealPath($file_name);
@@ -128,11 +134,13 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief rename a file
-	 * @param[in] $source path of source file
-	 * @param[in] $target path of target file
-	 * @remarks In order to move a file, use this function.
-	 * @return returns true on success or false on failure.
+	 * Rename a file
+	 *
+	 * In order to move a file, use this function.
+	 *
+	 * @param string $source Path of source file
+	 * @param string $target Path of target file
+	 * @return bool Returns true on success or false on failure.
 	 **/
 	function rename($source, $target) {
 		$source = FileHandler::getRealPath($source);
@@ -141,10 +149,11 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief Move a file
-	 * @param[in] $source path of source file
-	 * @param[in] $target path of target file
-	 * @return returns true on success or false on failure.
+	 * Move a file
+	 *
+	 * @param string $source Path of source file
+	 * @param string $target Path of target file
+	 * @return bool Returns true on success or false on failure.
 	 */
 	function moveFile($source, $target) {
 		$source = FileHandler::getRealPath($source);
@@ -157,24 +166,28 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief move a directory 
-	 * @param[in] $source_dir path of source directory
-	 * @param[in] $target_dir path of target directory
-	 * @remarks this function just wraps rename function.
-	 * @return none
+	 * Move a directory 
+	 *
+	 * This function just wraps rename function.
+	 *
+	 * @param string $source_dir Path of source directory
+	 * @param string $target_dir Path of target directory
+	 * @return void
 	 **/
 	function moveDir($source_dir, $target_dir) {
 		FileHandler::rename($source_dir, $target_dir);
 	}
 
 	/**
-	 * @brief return list of the files in the path
-	 * @param[in] $path path of target directory
-	 * @param[in] $filter if specified, return only files matching with the filter
-	 * @param[in] $to_lower if true, file names will be changed into lower case.
-	 * @param[in] $concat_prefix if true, return file name as absolute path
-	 * @remarks the array does not contain files, such as '.', '..', and files starting with '.'
-	 * @return array of the filenames in the path 
+	 * Return list of the files in the path
+	 *
+	 * The array does not contain files, such as '.', '..', and files starting with '.'
+	 *
+	 * @param string $path Path of target directory
+	 * @param string $filter If specified, return only files matching with the filter
+	 * @param bool $to_lower If true, file names will be changed into lower case.
+	 * @param bool $concat_prefix If true, return file name as absolute path
+	 * @return string[] Array of the filenames in the path 
 	 **/
 	function readDir($path, $filter = '', $to_lower = false, $concat_prefix = false) {
 		$path = FileHandler::getRealPath($path);
@@ -205,10 +218,12 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief creates a directory
-	 * @param[in] $path_string path of target directory
-	 * @return true if success. it might return nothing when ftp is used and connection to the ftp address failed.
-	 * @remarks This function creates directories recursively, which means that if ancestors of the target directory does not exist, they will be created too.
+	 * Creates a directory
+	 *
+	 * This function creates directories recursively, which means that if ancestors of the target directory does not exist, they will be created too.
+	 *
+	 * @param string $path_string Path of target directory
+	 * @return bool true if success. It might return nothing when ftp is used and connection to the ftp address failed.
 	 **/
 	function makeDir($path_string) {
 		static $oFtp = null;
@@ -256,9 +271,10 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief remove all files under the path
-	 * @param[in] $path path of the target directory
-	 * @return none
+	 * Remove all files under the path
+	 *
+	 * @param string $path Path of the target directory
+	 * @return void
 	 **/
 	function removeDir($path) {
 		$path = FileHandler::getRealPath($path);
@@ -278,9 +294,10 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief remove a directory only if it is empty 
-	 * @param[in] $path path of the target directory
-	 * @return none
+	 * Remove a directory only if it is empty 
+	 *
+	 * @param string $path Path of the target directory
+	 * @return void
 	 **/
 	function removeBlankDir($path) {
 		$item_cnt = 0;
@@ -299,10 +316,12 @@ class FileHandler {
 
 
 	/**
-	 * @biref remove files in the target directory.  
-	 * @param[in] $path path of the target directory
-	 * @remarks This function keeps the directory structure. 
-	 * @return none
+	 * Remove files in the target directory
+	 *
+	 * This function keeps the directory structure. 
+	 *
+	 * @param string $path Path of the target directory
+	 * @return void
 	 **/
 	function removeFilesInDir($path) {
 		$path = FileHandler::getRealPath($path);
@@ -321,9 +340,11 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief makes file size byte into KB, MB according to the size
-	 * @param[in] $size number of the size
-	 * @return file size string
+	 * Makes file size byte into KB, MB according to the size
+	 *
+	 * @see FileHandler::returnBytes()
+	 * @param int $size Number of the size
+	 * @return string File size string
 	 **/
 	function filesize($size) {
 		if(!$size) return '0Byte';
@@ -334,17 +355,19 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief return remote file's content via HTTP
-	 * @param[in] $url the address of the target file 
-	 * @param[in] $body HTTP request body
-	 * @param[in] $timeout connection timeout
-	 * @param[in] $method GET/POST
-	 * @param[in] $content_type content type header of HTTP request
-	 * @param[in] $headers headers key vaule array.
-	 * @param[in] $cookies cookies key value array.
-	 * @param[in] $post_data request arguments array for POST method
-	 * @return if success, the content of the target file. otherwise: none
-	 * @remarks if the target is moved (when return code is 300~399), this function follows the location specified response header.
+	 * Return remote file's content via HTTP
+	 *
+	 * If the target is moved (when return code is 300~399), this function follows the location specified response header.
+	 *
+	 * @param string $url The address of the target file 
+	 * @param string $body HTTP request body
+	 * @param int $timeout Connection timeout
+	 * @param string $method GET/POST
+	 * @param string $content_type Content type header of HTTP request
+	 * @param string[] $headers Headers key vaule array.
+	 * @param string[] $cookies Cookies key value array.
+	 * @param string $post_data Request arguments array for POST method
+	 * @return string If success, the content of the target file. Otherwise: none
 	 **/
 	function getRemoteResource($url, $body = null, $timeout = 3, $method = 'GET', $content_type = null, $headers = array(), $cookies = array(), $post_data = array()) {
 		requirePear();
@@ -402,15 +425,16 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief retrieves remote file, then stores it into target path.
-	 * @param[in] $url the address of the target file
-	 * @param[in] $target_file the location to store
-	 * @param[in] $body HTTP request body
-	 * @param[in] $timeout connection timeout
-	 * @param[in] $method GET/POST
-	 * @param[in] $content_type content type header of HTTP request
-	 * @param[in] $headers headers key vaule array.
-	 * @return true: success, false: failed 
+	 * Retrieves remote file, then stores it into target path.
+	 *
+	 * @param string $url The address of the target file
+	 * @param string $target_filename The location to store
+	 * @param string $body HTTP request body
+	 * @param string $timeout Connection timeout
+	 * @param string $method GET/POST
+	 * @param string $content_type Content type header of HTTP request
+	 * @param string[] $headers Headers key vaule array.
+	 * @return bool true: success, false: failed 
 	 **/
 	function getRemoteFile($url, $target_filename, $body = null, $timeout = 3, $method = 'GET', $content_type = null, $headers = array()) {
 		$body = FileHandler::getRemoteResource($url, $body, $timeout, $method, $content_type, $headers);
@@ -421,9 +445,11 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief convert size in string into numeric value 
-	 * @param[in] $val size in string (ex., 10, 10K, 10M, 10G )
-	 * @return converted size
+	 * Convert size in string into numeric value 
+	 *
+	 * @see FileHandler::filesize()
+	 * @param $val Size in string (ex., 10, 10K, 10M, 10G )
+	 * @return int converted size
 	 */
 	function returnBytes($val)
 	{
@@ -438,9 +464,10 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief check available memory to load image file 
-	 * @param[in] $imageInfo image info retrieved by getimagesize function 
-	 * @return true: it's ok, false: otherwise 
+	 * Check available memory to load image file 
+	 *
+	 * @param array $imageInfo Image info retrieved by getimagesize function 
+	 * @return bool true: it's ok, false: otherwise 
 	 */
 	function checkMemoryLoadImage(&$imageInfo)
 	{
@@ -456,14 +483,15 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief moves an image file (resizing is possible)
-	 * @param[in] $source_file path of the source file
-	 * @param[in] $target_file path of the target file
-	 * @param[in] $resize_width width to resize 
-	 * @param[in] $resize_height height to resize
-	 * @param[in] $target_type if $target_type is set (gif, jpg, png, bmp), result image will be saved as target type
-	 * @param[in] $thumbnail_type thumbnail type(crop, ratio)
-	 * @return true: success, false: failed 
+	 * Moves an image file (resizing is possible)
+	 *
+	 * @param string $source_file Path of the source file
+	 * @param string $target_file Path of the target file
+	 * @param int $resize_width Width to resize 
+	 * @param int $resize_height Height to resize
+	 * @param string $target_type If $target_type is set (gif, jpg, png, bmp), result image will be saved as target type
+	 * @param string $thumbnail_type Thumbnail type(crop, ratio)
+	 * @return bool true: success, false: failed 
 	 **/
 	function createImageFile($source_file, $target_file, $resize_width = 0, $resize_height = 0, $target_type = '', $thumbnail_type = 'crop') {
 		$source_file = FileHandler::getRealPath($source_file);
@@ -610,9 +638,11 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief reads ini file, and puts result into array
-	 * @param[in] $filename path of the ini file
-	 * @return ini array (if the target file does not exist, it returns false)
+	 * Reads ini file, and puts result into array
+	 *
+	 * @see FileHandler::writeIniFile()
+	 * @param string $filename Path of the ini file
+	 * @return array ini array (if the target file does not exist, it returns false)
 	 **/
 	function readIniFile($filename){
 		$filename = FileHandler::getRealPath($filename);
@@ -624,10 +654,18 @@ class FileHandler {
 
 
 	/**
-	 * @brief write array into ini file
-	 * @param[in] $filename target ini file name
-	 * @param[in] $arr array
-	 * @return if array contains nothing it returns false, otherwise true
+	 * Write array into ini file
+	 *
+	 *	$ini['key1'] = 'value1';<br/>
+	 *	$ini['key2'] = 'value2';<br/>
+	 *	$ini['section']['key1_in_section'] = 'value1_in_section';<br/>
+	 *	$ini['section']['key2_in_section'] = 'value2_in_section';<br/>
+	 *	FileHandler::writeIniFile('exmple.ini', $ini);
+	 *
+	 * @see FileHandler::readIniFile()
+	 * @param string $filename Target ini file name
+	 * @param array $arr Array
+	 * @return bool if array contains nothing it returns false, otherwise true
 	 **/
 	function writeIniFile($filename, $arr){
 		if(count($arr)==0) return false;
@@ -635,6 +673,12 @@ class FileHandler {
 		return true;
 	}
 
+	/**
+	 * Make array to ini string
+	 *
+	 * @param array $arr Array
+	 * @return string
+	 */
 	function _makeIniBuff($arr){
 		$return = '';
 		foreach($arr as $key => $val){
@@ -653,11 +697,13 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief return file object 
-	 * @param[in] $filename target file name
-	 * @param[in] $mode file mode for fopen
-	 * @remarks if the directory of the file does not exist, create it.
-	 * @return file object 
+	 * Returns a file object 
+	 *
+	 * If the directory of the file does not exist, create it.
+	 *
+	 * @param string $filename Target file name
+	 * @param string $mode File mode for fopen
+	 * @return FileObject File object 
 	 **/
 	function openFile($filename, $mode)
 	{
@@ -671,9 +717,10 @@ class FileHandler {
 	}
 
 	/**
-	 * @brief  check whether the given file has the content.
-	 * @param[in] $file_name target file name
-	 * @return return true if the file exists and contains something.
+	 * Check whether the given file has the content.
+	 *
+	 * @param string $filename Target file name
+	 * @return bool Returns true if the file exists and contains something.
 	 */
 	function hasContent($filename)
 	{

classes/file/FileObject.class.php

@@ -1,21 +1,35 @@
 <?php
 /**
- * @class FileObject
+ * File abstraction class 
+ *
  * @author NHN (developers@xpressengine.com)
- * @brief file abstraction class 
  **/
-
 class FileObject extends Object
 {
-	var $fp = null; ///< file descriptor
-	var $path = null; ///< file path
-	var $mode = "r"; ///< file open mode
+	/**
+	 * File descriptor
+	 * @var resource
+	 */
+	var $fp = null;
 
 	/**
-	 * @brief constructor 
-	 * @param[in] $path path of target file
-	 * @param[in] $mode file open mode 
-	 * @return file object 
+	 * File path
+	 * @var string
+	 */
+	var $path = null;
+
+	/**
+	 * File open mode
+	 * @var string
+	 */
+	var $mode = "r";
+
+	/**
+	 * Constructor 
+	 *
+	 * @param string $path Path of target file
+	 * @param string $mode File open mode 
+	 * @return void
 	 **/
 	function FileObject($path, $mode)
 	{
@@ -23,9 +37,10 @@ class FileObject extends Object
 	}
 
 	/**
-	 * @brief append target file's content to current file 
-	 * @param[in] $file_name path of target file
-	 * @return none 
+	 * Append target file's content to current file 
+	 *
+	 * @param string $file_name Path of target file
+	 * @return void 
 	 **/
 	function append($file_name)
 	{
@@ -39,8 +54,9 @@ class FileObject extends Object
 	}
 
 	/**
-	 * @brief check current file meets eof
-	 * @return true: if eof. false: otherwise 
+	 * Check current file meets eof
+	 *
+	 * @return bool true: if eof. false: otherwise 
 	 **/
 	function feof()
 	{
@@ -48,9 +64,10 @@ class FileObject extends Object
 	}
 
 	/**
-	 * @brief read from current file 
-	 * @param[in] $size size to read
-	 * @return read bytes 
+	 * Read from current file 
+	 *
+	 * @param int $size Size to read
+	 * @return string Returns the read string or false on failure.
 	 **/
 	function read($size = 1024)
 	{
@@ -59,9 +76,10 @@ class FileObject extends Object
 
 
 	/**
-	 * @brief write string to current file 
-	 * @param[in] $str string to write
-	 * @return written bytes. if failed, it returns false 
+	 * Write string to current file 
+	 *
+	 * @param string $str String to write
+	 * @return int Returns the number of bytes written, or false on error.
 	 **/
 	function write($str)
 	{
@@ -73,11 +91,13 @@ class FileObject extends Object
 	}
 
 	/**
-	 * @brief open a file
-	 * @param[in] $path path of target file
-	 * @param[in] $mode file open mode 
-	 * @remarks if file is opened, close it and open the new path
-	 * @return true if succeed, false otherwise.
+	 * Open a file
+	 *
+	 * If file is opened, close it and open the new path
+	 *
+	 * @param string $path Path of target file
+	 * @param string $mode File open mode (http://php.net/manual/en/function.fopen.php)
+	 * @return bool true if succeed, false otherwise.
 	 */
 	function open($path, $mode)
 	{
@@ -96,8 +116,9 @@ class FileObject extends Object
 	}
 
 	/**
-	 * @brief return current file's path 
-	 * @return file path 
+	 * Return current file's path
+	 *
+	 * @return string Returns the path of current file.
 	 **/
 	function getPath()
 	{
@@ -112,8 +133,9 @@ class FileObject extends Object
 	}
 
 	/**
-	 * @brief close file 
-	 * @return none 
+	 * Close file 
+	 *
+	 * @return void
 	 **/
 	function close()
 	{

classes/frontendfile/FrontEndFileHandler.class.php

@@ -1,18 +1,51 @@
 <?php
 	/**
-	 * @class FrontEndFileHandler
+	 * Handle front end files
 	 * @author NHN (developers@xpressengine.com)
 	 **/
-
 	class FrontEndFileHandler extends Handler
 	{
+		/**
+		 * Map for css
+		 * @var array
+		 */
 		var $cssMap = array();
+
+		/**
+		 * Map for Javascript at head
+		 * @var array
+		 */
 		var $jsHeadMap = array();
+
+		/**
+		 * Map for Javascript at body
+		 * @var array
+		 */
 		var $jsBodyMap = array();
+
+		/**
+		 * Index for css
+		 * @var array
+		 */
 		var $cssMapIndex = array();
+
+		/**
+		 * Index for javascript at head
+		 * @var array
+		 */
 		var $jsHeadMapIndex = array();
+
+		/**
+		 * Index for javascript at body
+		 * @var array
+		 */
 		var $jsBodyMapIndex = array();
 
+		/**
+		 * Check SSL
+		 *
+		 * @return bool If using ssl returns true, otherwise returns false.
+		 */
 		function isSsl()
 		{
 			if ($GLOBAL['__XE_IS_SSL__']) return $GLOBAL['__XE_IS_SSL__'];
@@ -27,8 +60,11 @@
 		}
 
 		/**
-		 * @brief load front end file
-		 * @params $args array
+		 * Load front end file
+		 *
+		 * The $args is use as below. File type(js, css) is detected by file extension.
+		 *
+		 * <pre>
 		 * case js
 		 *		$args[0]: file name
 		 *		$args[1]: type (head | body)
@@ -39,6 +75,22 @@
 		 *		$args[1]: media
 		 *		$args[2]: target IE
 		 *		$args[3]: index
+		 * </pre>
+		 *
+		 * If $useCdn set true, use CDN instead local file.
+		 * CDN path = $cdnPrefix . $cdnVersion . $args[0]<br />
+		 *<br />
+		 * i.e.<br />
+		 * $cdnPrefix = 'http://static.xpressengine.com/core/';<br />
+		 * $cdnVersion = 'ardent1';<br />
+		 * $args[0] = './common/js/xe.js';<br />
+		 * The CDN path is http://static.xprssengine.com/core/ardent1/common/js/xe.js.<br />
+		 *
+		 * @param array $args Arguments
+		 * @param bool $useCdn If set true, use cdn instead local file
+		 * @param string $cdnPrefix CDN url prefix. (http://static.xpressengine.com/core/)
+		 * @param string $cdnVersion CDN version string (ardent1)
+		 * @return void
 		 **/
 		function loadFile($args, $useCdn = false, $cdnPrefix = '', $cdnVersion = '')
 		{
@@ -57,8 +109,8 @@
 				$file->cdnVersion = $cdnVersion;
 			}
 
-			$availableExtension = array('css', 'js');
-			if (!in_array($file->fileExtension, $availableExtension)) return;
+			$availableExtension = array('css'=>1, 'js'=>1);
+			if (!isset($availableExtension[$file->fileExtension])) return;
 
 			$file->targetIe = $args[2];
 			$file->index = (int)$args[3];
@@ -70,6 +122,8 @@
 				$map = &$this->cssMap;
 				$mapIndex = &$this->cssMapIndex;
 				$key = $file->filePath . $file->fileName . "\t" . $file->targetIe . "\t" . $file->media;
+
+				$this->_arrangeCssIndex($pathInfo['dirname'], $file);
 			}
 			else if ($file->fileExtension == 'js')
 			{
@@ -95,6 +149,14 @@
 			}
 		}
 
+		/**
+		 * Unload front end file
+		 *
+		 * @param string $fileName The file name to unload
+		 * @param string $targetIe Target IE of file to unload
+		 * @param string $media Media of file to unload. Only use when file is css.
+		 * @return void
+		 */
 		function unloadFile($fileName, $targetIe = '', $media = 'all')
 		{
 			$pathInfo = pathinfo($fileName);
@@ -105,6 +167,11 @@
 
 			if ($fileExtension == 'css')
 			{
+				if(empty($media))
+				{
+					$media = 'all';
+				}
+
 				$key .= "\t" . $media;
 				if (isset($this->cssMapIndex[$key]))
 				{
@@ -130,6 +197,12 @@
 			}
 		}
 
+		/**
+		 * Unload all front end file
+		 *
+		 * @param string $type Type to unload. all, css, js
+		 * @return void
+		 */
 		function unloadAllFiles($type = 'all')
 		{
 			if ($type == 'css' || $type == 'all')
@@ -147,6 +220,11 @@
 			}
 		}
 
+		/**
+		 * Get css file list
+		 *
+		 * @return array Returns css file list. Array contains file, media, targetie.
+		 */
 		function getCssFileList()
 		{
 			$map = &$this->cssMap;
@@ -177,6 +255,12 @@
 			return $result;
 		}
 
+		/**
+		 * Get javascript file list
+		 *
+		 * @param string $type Type of javascript. head, body
+		 * @return array Returns javascript file list. Array contains file, targetie.
+		 */
 		function getJsFileList($type = 'head')
 		{
 			if ($type == 'head')
@@ -216,11 +300,24 @@
 			return $result;
 		}
 
+		/**
+		 * Sort a map
+		 *
+		 * @param array $map Array to sort
+		 * @param array $index Not used
+		 * @return void
+		 */
 		function _sortMap(&$map, &$index)
 		{
 			ksort($map);
 		}
 
+		/**
+		 * Normalize File path
+		 *
+		 * @param string $path Path to normalize
+		 * @return string Normalized path
+		 */
 		function _normalizeFilePath($path)
 		{
 			if (strpos($path, '://') === false && $path{0} != '/' && $path{0} != '.')
@@ -238,6 +335,12 @@
 			return $path;
 		}
 
+		/**
+		 * Get absolute file url
+		 *
+		 * @param string $path Path to get absolute url
+		 * @return string Absolute url
+		 */
 		function _getAbsFileUrl($path)
 		{
 			$path = $this->_normalizeFilePath($path);
@@ -260,4 +363,28 @@
 
 			return $path;
 		}
+
+		/**
+		 * Arrage css index
+		 *
+		 * @param string $dirName First directory  name of css path
+		 * @param array $file file info.
+		 * @return void
+		 */
+		function _arrangeCssIndex($dirName, &$file)
+		{
+			if($file->index !== 0)
+			{
+				return;
+			}
+
+			$dirName = str_replace('./', '', $dirName);
+			$tmp = explode('/', $dirName);
+
+			$cssSortList = array('common'=>-100000, 'layouts'=>-90000, 'modules'=>-80000, 'widgets'=>-70000, 'addons'=>-60000);
+			$file->index = $cssSortList[$tmp[0]];
+		}
 	}
+
+/* End of file FrontEndFileHandler.class.php */
+/* Location: ./classes/frontendfile/FrontEndFileHandler.class.php */

classes/handler/Handler.class.php

@@ -1,8 +1,8 @@
 <?php
     /**
-     * @class  Handler
+     * An abstract class of (*)Handler 
+	 *
      * @author NHN (developers@xpressengine.com)
-     * @brief  an abstract class of (*)Handler 
      **/
 
     class Handler {

classes/httprequest/XEHttpRequest.class.php

@@ -1,21 +1,32 @@
 <?php
 /**
- * @class HttpRequest
+ * - HttpRequest class
+ * - a class that is designed to be used for sending out HTTP request to an external server and retrieving response
+ * - Connection: keep-alive is not supported
  * @author NHN (developers@xpressengine.com)
+ * @package /classes/httprequest
  * @version 0.1
- * @brief a class that is designed to be used for sending out HTTP request to an external server and retrieving response
- * @remarks  Connection: keep-alive is not supported
  */
 class XEHttpRequest {
-	/// target host
+	/**
+	 * target host
+	 * @var string
+	 */
 	var $m_host;
-	/// target Port
+	/**
+	 * target Port
+	 * @var int
+	 */
 	var $m_port;
-	/// header array 
+	/**
+	 * target header
+	 * @var array
+	 */
 	var $m_headers;
 
 	/**
-	 * @brief Constructor 
+	 * constructor
+	 * @return void
 	 */
 	function XEHttpRequest($host, $port)
 	{
@@ -25,9 +36,10 @@ class XEHttpRequest {
 	}
 
 	/**
-	 * @brief mether to add key/value pair to the HTTP request header
-     * @param[in] key HTTP header element
-     * @param[in] value value string for HTTP header element
+	 * Mether to add key/value pair to the HTTP request header
+	 * @param int|string $key HTTP header element
+	 * @param string $value value string for HTTP header element
+	 * @return void
 	 */
 	function addToHeader($key, $value)
 	{
@@ -35,12 +47,12 @@ class XEHttpRequest {
 	}
 
 	/**
-	 * @brief send HTTP message to the host
-     * @param[in] target ip or url of the external server
-     * @param[in] method HTTP method such as GET and POST
-     * @param[in] timeout time out value for HTTP request expiration
-	 * @param[in] post variables to send
-	 * @return Returns an object containing HTTP Response body and HTTP response code 
+	 * Send HTTP message to the host
+	 * @param string $target ip or url of the external server
+	 * @param string $method HTTP method such as GET and POST
+	 * @param int $timeout time out value for HTTP request expiration
+	 * @param array $post_vars variables to send
+	 * @return object Returns an object containing HTTP Response body and HTTP response code
 	 */
 	function send($target='/', $method='GET', $timeout=3, $post_vars=null)
 	{
@@ -67,8 +79,12 @@ class XEHttpRequest {
 	}
 
 	/**
-	 * @brief Send a request with the file socket
-	 * @private
+	 * Send a request with the file socket
+	 * @param string $target ip or url of the external server
+	 * @param string $method HTTP method such as GET and POST
+	 * @param int $timeout time out value for HTTP request expiration
+	 * @param array $post_vars variables to send
+	 * @return object Returns an object containing HTTP Response body and HTTP response code
 	 */
 	function sendWithSock($target, $method, $timeout, $post_vars)
 	{
@@ -131,8 +147,12 @@ class XEHttpRequest {
 	}
 
 	/**
-	 * @brief Send a request with the curl library
-	 * @private
+	 * Send a request with the curl library
+	 * @param string $target ip or url of the external server
+	 * @param string $method HTTP method such as GET and POST
+	 * @param int $timeout time out value for HTTP request expiration
+	 * @param array $post_vars variables to send
+	 * @return object Returns an object containing HTTP Response body and HTTP response code
 	 */
 	function sendWithCurl($target, $method, $timeout, $post_vars)
 	{

classes/mail/Mail.class.php

@@ -9,36 +9,128 @@ else
 }
 
 /**
-* @brief Mailing class for XpressEngine
+* Mailing class for XpressEngine
+*
 * @author NHN (developers@xpressengine.com)
-* @developer NHN (developers@xpressengine.com)
 */
 class Mail extends PHPMailer
 {
+	/**
+	 * Sender name
+	 * @var string
+	 */
 	var $sender_name = '';
+
+	/**
+	 * Sender email address
+	 * @var string
+	 */
 	var $sender_email = '';
+
+	/**
+	 * Receiptor name
+	 * @var string
+	 */
 	var $receiptor_name = '';
+
+	/**
+	 * Receiptor email address
+	 * @var string
+	 */
 	var $receiptor_email = '';
+
+	/**
+	 * Title of email
+	 * @var string
+	 */
 	var $title = '';
+
+	/**
+	 * Content of email
+	 * @var string
+	 */
 	var $content = '';
+
+	/**
+	 * Content type
+	 * @var string
+	 */
 	var $content_type = 'html';
+
+	/**
+	 * Message id
+	 * @var string
+	 */
 	var $messageId = NULL;
+
+	/**
+	 * Reply to
+	 * @var string
+	 */
 	var $replyTo = NULL;
+
+	/**
+	 * BCC (Blind carbon copy)
+	 * @var string
+	 */
 	var $bcc = NULL;
+
+	/**
+	 * Attachments
+	 * @var array
+	 */
 	var $attachments = array();
+
+	/**
+	 * Content attachements
+	 * @var array
+	 */
 	var $cidAttachments  = array();
+
+	/**
+	 * ???
+	 * @var ???
+	 */
 	var $mainMailPart = NULL;
+
+	/**
+	 * Raw body
+	 * @var string
+	 */
 	var $body = '';
+
+	/**
+	 * Raw header
+	 * @var string
+	 */
 	var $header = '';
+
+	/**
+	 * End of line
+	 * @var string
+	 */
 	var $eol = '';
+
+	/**
+	 * Reference
+	 * @var string
+	 */
 	var $references = '';
+
+	/**
+	 * Additional parameters
+	 * @var string
+	 */
 	var $additional_params = NULL;
+
+	/**
+	 * Whether use or not use stmp
+	 * @var bool
+	 */
 	var $use_smtp = FALSE;
 
 	/**
-	* @brief Constructor function
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Constructor function
 	*
 	* @return void
 	*/
@@ -48,13 +140,10 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set parameters for using Gmail
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
-	*
-	* @param $account_name password
-	* @param $account_passwd secure method ('ssl','tls')
+	* Set parameters for using Gmail
 	*
+	* @param string $account_name Password
+	* @param string $account_passwd Secure method ('ssl','tls')
 	* @return void
 	*/
 	function useGmailAccount($account_name, $account_passwd)
@@ -76,18 +165,16 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set parameters for using SMTP protocol
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set parameters for using SMTP protocol
 	*
-	* @param $auth SMTP authentication
-	* @param $host
-	* @param $user
-	* @param $password
-	* @param $secure method ('ssl','tls')
-	* @param $port
+	* @param bool $auth SMTP authentication
+	* @param string $host SMTP host address
+	* @param string $user SMTP user id
+	* @param string $pass STMP user password
+	* @param string $secure method ('ssl','tls')
+	* @param int $port STMP port
 	*
-	* @return boolean TRUE if SMTP is set correct, otherwise return FALSE
+	* @return bool TRUE if SMTP is set correct, otherwise return FALSE
 	*/
 	function useSMTP($auth = NULL, $host = NULL, $user = NULL, $pass = NULL, $secure = NULL, $port = 25)
 	{
@@ -116,11 +203,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set additional parameters
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set additional parameters
 	*
-	* @param $additional_params
+	* @param string $additional_params Additional parameters
 	* @return void
 	*/
 	function setAdditionalParams($additional_params)
@@ -129,12 +214,10 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Add file attachment
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Add file attachment
 	*
-	* @param $filename
-	* @param $orgfilename (real path to file)
+	* @param string $filename File name to attach
+	* @param string $orgfilename Real path of file to attach
 	* @return void
 	*/
 	function addAttachment($filename, $orgfilename)
@@ -143,12 +226,10 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Add content attachment
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Add content attachment
 	*
-	* @param $filename
-	* @param $cid
+	* @param string $filename Real path of file to attach
+	* @param string $cid Content-CID
 	* @return void
 	*/
 	function addCidAttachment($filename, $cid)
@@ -157,12 +238,10 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set Sender (From:)
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set Sender (From:)
 	*
-	* @param $name
-	* @param $email
+	* @param string $name Sender name
+	* @param string $email Sender email address
 	* @return void
 	*/
 	function setSender($name, $email)
@@ -179,9 +258,7 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Get Sender (From:)
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Get Sender (From:)
 	*
 	* @return string
 	*/
@@ -195,12 +272,10 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set Receiptor (TO:)
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set Receiptor (TO:)
 	*
-	* @param $name
-	* @param $email
+	* @param string $name Receiptor name
+	* @param string $email Receiptor email address
 	* @return void
 	*/
 	function setReceiptor($name, $email)
@@ -217,9 +292,7 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Get Receiptor (TO:)
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Get Receiptor (TO:)
 	*
 	* @return string
 	*/
@@ -233,11 +306,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set Email's Title
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set Email's Title
 	*
-	* @param $title
+	* @param string $title Title to set
 	* @return void
 	*/
 	function setTitle($title)
@@ -253,9 +324,7 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Get Email's Title
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Get Email's Title
 	*
 	* @return string
 	*/
@@ -265,11 +334,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set BCC
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set BCC
 	*
-	* @param $bcc
+	* @param string $bcc
 	* @return void
 	*/
 	function setBCC($bcc)
@@ -285,11 +352,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set Message ID
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set Message ID
 	*
-	* @param $messageId
+	* @param string $messageId
 	* @return void
 	*/
 	function setMessageID($messageId)
@@ -298,11 +363,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set references
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set references
 	*
-	* @param $references
+	* @param string $references
 	* @return void
 	*/
 	function setReferences($references)
@@ -311,11 +374,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set ReplyTo param
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set ReplyTo param
 	*
-	* @param $replyTo
+	* @param string $replyTo
 	* @return void
 	*/
 	function setReplyTo($replyTo)
@@ -331,11 +392,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set message content
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set message content
 	*
-	* @param $content
+	* @param string $content Content
 	* @return void
 	*/
 	function setContent($content)
@@ -352,12 +411,10 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Replace resourse path of the files
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
-	*
-	* @param $matches
+	* Replace resourse path of the files
 	*
+	* @see Mail::setContent()
+	* @param array $matches Match info.
 	* @return string
 	*/
 	function replaceResourceRealPath($matches)
@@ -366,9 +423,7 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Get the Plain content of body message
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Get the Plain content of body message
 	*
 	* @return string
 	*/
@@ -378,9 +433,7 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Get the HTML content of body message
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Get the HTML content of body message
 	*
 	* @return string
 	*/
@@ -390,11 +443,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Set the type of body's content
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Set the type of body's content
 	*
-	* @param $mode
+	* @param string $mode
 	* @return void
 	*/
 	function setContentType($mode = 'html')
@@ -403,9 +454,7 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Process the images from attachments
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Process the images from attachments
 	*
 	* @return void
 	*/
@@ -460,9 +509,7 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Process the images from body content. This functions is used if Mailer is set as mail not as SMTP
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Process the images from body content. This functions is used if Mailer is set as mail not as SMTP
 	*
 	* @return void
 	*/
@@ -505,11 +552,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Send email
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
+	* Send email
 	*
-	* @return boolean TRUE in case of success, FALSE if sending fails
+	* @return bool TRUE in case of success, FALSE if sending fails
 	*/
 	function send()
 	{
@@ -567,12 +612,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Check if DNS of param is real or fake
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
-	*
-	* @param $email_address
+	* Check if DNS of param is real or fake
 	*
+	* @param string $email_address Email address
 	* @return boolean TRUE if param is valid DNS otherwise FALSE
 	*/
 	function checkMailMX($email_address)
@@ -597,12 +639,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Check if param is a valid email or not
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
-	*
-	* @param $email_address
+	* Check if param is a valid email or not
 	*
+	* @param string $email_address Email address
 	* @return string email address if param is valid email address otherwise blank string
 	*/
 	function isVaildMailAddress($email_address)
@@ -618,12 +657,9 @@ class Mail extends PHPMailer
 	}
 
 	/**
-	* @brief Gets the MIME type of param
-	* @access public
-	* @developer NHN (developers@xpressengine.com)
-	*
-	* @param $filename filename
+	* Gets the MIME type of param
 	*
+	* @param string $filename filename
 	* @return string MIME type of ext
 	*/
 	function returnMIMEType($filename)

classes/mobile/Mobile.class.php

@@ -1,19 +1,43 @@
 <?php
 
+/**
+ * Mobile class
+ *
+ * @author NHN (developers@xpressengine.com)
+ */
 class Mobile {
+	/**
+	 * Whether mobile or not mobile mode
+	 * @var bool
+	 */
 	var $ismobile = null;
 
+	/**
+	 * Get instance of Mobile class(for singleton)
+	 *
+	 * @return Mobile
+	 */
 	function &getInstance() {
 		static $theInstance;
 		if(!isset($theInstance)) $theInstance = new Mobile();
 		return $theInstance;
 	}
 
+	/**
+	 * Get current mobile mode
+	 *
+	 * @return bool If mobile mode returns true or false
+	 */
 	function isFromMobilePhone() {
 		$oMobile =& Mobile::getInstance();
 		return $oMobile->_isFromMobilePhone();
 	}
 
+	/**
+	 * Get current mobile mode
+	 *
+	 * @return bool
+	 */
 	function _isFromMobilePhone() {
 		if($this->ismobile !== null) return $this->ismobile;
 
@@ -94,6 +118,11 @@ class Mobile {
 		return $this->ismobile;
 	}
 
+	/**
+	 * Detect mobile device by user agent
+	 *
+	 * @return bool Returns true on mobile device or false.
+	 */
 	function isMobileCheckByAgent()
 	{
 		static $UACheck;
@@ -123,10 +152,11 @@ class Mobile {
 		return FALSE;
 	}
 
-	/*
-	 * @ brief check if user-agent is a tablet PC as iPad or Andoid tablet.
-	 * @ return TRUE for tablet, and FALSE for else.
-	*/
+	/**
+	 * Check if user-agent is a tablet PC as iPad or Andoid tablet.
+	 *
+	 * @return bool TRUE for tablet, and FALSE for else.
+	 */
 	function isMobilePadCheckByAgent()
 	{
 		static $UACheck;
@@ -167,6 +197,12 @@ class Mobile {
 		return FALSE;
 	}
 
+	/**
+	 * Set mobile mode
+	 *
+	 * @param bool $ismobile
+	 * @return void
+	 */
 	function setMobile($ismobile)
 	{
 		$oMobile =& Mobile::getInstance();

classes/module/ModuleHandler.class.php

@@ -2,7 +2,7 @@
     /**
     * @class ModuleHandler
     * @author NHN (developers@xpressengine.com)
-    * @brief Handling modules
+    * Handling modules
     *
     * @remarks This class is to excute actions of modules.
     *          Constructing an instance without any parameterconstructor, it finds the target module based on Context.
@@ -23,8 +23,13 @@
         var $httpStatusCode = NULL; ///< http status code.
 
         /**
-         * @brief constructor
-         * @remarks it prepares variables to use in moduleHandler
+         * prepares variables to use in moduleHandler
+		 * @param string $module name of module
+		 * @param string $act name of action
+		 * @param int $mid
+		 * @param int $document_srl
+		 * @param int $module_srl
+		 * @return void
          **/
         function ModuleHandler($module = '', $act = '', $mid = '', $document_srl = '', $module_srl = '') {
             // If XE has not installed yet, set module as install
@@ -63,8 +68,8 @@
         }
 
         /**
-         * @brief Initialization. It finds the target module based on module, mid, document_srl, and prepares to execute an action
-         * @return true: OK, false: redirected
+         * Initialization. It finds the target module based on module, mid, document_srl, and prepares to execute an action
+         * @return boolean true: OK, false: redirected
          **/
         function init() {
 			$oModuleModel = &getModel('module');
@@ -172,8 +177,8 @@
         }
 
         /**
-         * @brief get a module instance and execute an action
-         * @return executed module instance
+         * get a module instance and execute an action
+         * @return ModuleObject executed module instance
          **/
         function procModule() {
             $oModuleModel = &getModel('module');
@@ -207,7 +212,17 @@
             if(!$this->act) {
                 $this->error = 'msg_module_is_not_exists';
 				$this->httpStatusCode = '404';
-                return;
+
+				$type = Mobile::isFromMobilePhone() ? 'mobile' : 'view';
+                $oMessageObject = &ModuleHandler::getModuleInstance('message',$type);
+                $oMessageObject->setError(-1);
+                $oMessageObject->setMessage($this->error);
+                $oMessageObject->dispMessage();
+				if($this->httpStatusCode)
+				{
+					$oMessageObject->setHttpStatusCode($this->httpStatusCode);
+				}
+                return $oMessageObject;
             }
 
             // get type, kind
@@ -266,9 +281,16 @@
 			}
 
 			if(!is_object($oModule)) {
-				$this->error = 'msg_module_is_not_exists';
-				$this->httpStatusCode = '404';
-				return;
+				$type = Mobile::isFromMobilePhone() ? 'mobile' : 'view';
+                $oMessageObject = &ModuleHandler::getModuleInstance('message',$type);
+                $oMessageObject->setError(-1);
+                $oMessageObject->setMessage($this->error);
+                $oMessageObject->dispMessage();
+				if($this->httpStatusCode)
+				{
+					$oMessageObject->setHttpStatusCode($this->httpStatusCode);
+				}
+                return $oMessageObject;
 			}
 
 			// If there is no such action in the module object
@@ -278,7 +300,15 @@
 				if(!Context::isInstalled())
 				{
 					$this->error = 'msg_invalid_request';
-					return;
+					$oMessageObject = &ModuleHandler::getModuleInstance('message',$type);
+					$oMessageObject->setError(-1);
+					$oMessageObject->setMessage($this->error);
+					$oMessageObject->dispMessage();
+					if($this->httpStatusCode)
+					{
+						$oMessageObject->setHttpStatusCode($this->httpStatusCode);
+					}
+					return $oMessageObject;
 				}
 
                 $forward = null;
@@ -364,7 +394,9 @@
 				else
 				{
 					$this->error = 'msg_invalid_request';
-					return;
+					$oModule->setError(-1);
+					$oModule->setMessage($this->error);
+					return $oModule;
 				}
 			}
 
@@ -425,7 +457,8 @@
 
             $procResult = $oModule->proc();
 
-			if(!in_array(Context::getRequestMethod(),array('XMLRPC','JSON')))
+			$methodList = array('XMLRPC'=>1, 'JSON'=>1);
+			if(!$oModule->stop_proc && !isset($methodList[Context::getRequestMethod()]))
 			{
 				$error = $oModule->getError();
 				$message = $oModule->getMessage();
@@ -458,6 +491,10 @@
             return $oModule;
         }
 
+        /**
+         * set error message to Session.
+         * @return void
+         **/
 		function _setInputErrorToContext()
 		{
 			if($_SESSION['XE_VALIDATOR_ERROR'] && !Context::get('XE_VALIDATOR_ERROR')) Context::set('XE_VALIDATOR_ERROR', $_SESSION['XE_VALIDATOR_ERROR']);
@@ -468,6 +505,10 @@
 			$this->_clearErrorSession();
 		}
 
+        /**
+         * clear error message to Session.
+         * @return void
+         **/
 		function _clearErrorSession()
 		{
 			$_SESSION['XE_VALIDATOR_ERROR'] = '';
@@ -476,6 +517,10 @@
 			$_SESSION['XE_VALIDATOR_RETURN_URL'] = '';
 		}
 
+        /**
+         * occured error when, set input values to session.
+         * @return void
+         **/
 		function _setInputValueToSession()
 		{
 			$requestVars = Context::getRequestVars();
@@ -484,9 +529,9 @@
 		}
 
         /**
-         * @brief display contents from executed module
-         * @param[in] $oModule module instance
-         * @return none
+         * display contents from executed module
+         * @param ModuleObject $oModule module instance
+         * @return void
          **/
         function displayContent($oModule = NULL) {
             // If the module is not set or not an object, set error
@@ -505,7 +550,8 @@
             if(!$output->toBool()) $this->error = $output->getMessage();
 
             // Use message view object, if HTML call
-            if(!in_array(Context::getRequestMethod(),array('XMLRPC','JSON'))) {
+			$methodList = array('XMLRPC'=>1, 'JSON'=>1);
+            if(!isset($methodList[Context::getRequestMethod()])) {
 
 				if($_SESSION['XE_VALIDATOR_RETURN_URL'])
 				{
@@ -594,20 +640,20 @@
         }
 
         /**
-         * @brief returns module's path
-         * @param[in] $module module name
-         * @return path of the module
+         * returns module's path
+         * @param string $module module name
+         * @return string path of the module
          **/
         function getModulePath($module) {
             return sprintf('./modules/%s/', $module);
         }
 
         /**
-         * @brief It creates a module instance
-         * @param[in] $module module name
-         * @param[in] $type instance type, (e.g., view, controller, model)
-         * @param[in] $kind admin or svc
-         * @return module instance (if failed it returns null)
+         * It creates a module instance
+         * @param string $module module name
+         * @param string $type instance type, (e.g., view, controller, model)
+         * @param string $kind admin or svc
+         * @return ModuleObject module instance (if failed it returns null)
          * @remarks if there exists a module instance created before, returns it.
          **/
         function &getModuleInstance($module, $type = 'view', $kind = '') {
@@ -617,19 +663,19 @@
 			$kind = strtolower($kind);
 			$type = strtolower($type);
 
-			$kinds = explode(' ', 'svc admin');
-			if(!in_array($kind, $kinds)) $kind = $kinds[0];
+			$kinds = array('svc'=>1, 'admin'=>1);
+			if(!isset($kinds[$kind])) $kind = 'svc';
 
 			$key = $module.'.'.($kind!='admin'?'':'admin').'.'.$type;
 
-			if(is_array($GLOBALS['__MODULE_EXTEND__']) && array_key_exists($key, $GLOBALS['__MODULE_EXTEND__'])) {
+			if(is_array($GLOBALS['__MODULE_EXTEND__']) && array_key_exists($key, $GLOBALS['__MODULE_EXTEND__']))
+			{
 				$module = $extend_module = $GLOBALS['__MODULE_EXTEND__'][$key];
-			}else{
-				unset($parent_module);
 			}
 
             // if there is no instance of the module in global variable, create a new one
-            if(!$GLOBALS['_loaded_module'][$module][$type][$kind]) {
+			if(!isset($GLOBALS['_loaded_module'][$module][$type][$kind]))
+			{
 				$parent_module = $module;
 
 				$class_path = ModuleHandler::getModulePath($module);
@@ -696,10 +742,10 @@
         }
 
         /**
-         * @brief call a trigger
-         * @param[in] $trigger_name trigger's name to call
-         * @param[in] $called_position called position
-         * @param[in] $obj an object as a parameter to trigger
+         * call a trigger
+         * @param string $trigger_name trigger's name to call
+         * @param string $called_position called position
+         * @param object $obj an object as a parameter to trigger
          * @return Object
          **/
         function triggerCall($trigger_name, $called_position, &$obj) {
@@ -728,7 +774,9 @@
         }
 
 		/**
-		 * @brief get http status message by http status code
+		 * get http status message by http status code
+		 * @param string $code
+		 * @return string
 		 **/
 		function _setHttpStatusMessage($code) {
 			$statusMessageList = array(

classes/module/ModuleObject.class.php

@@ -2,7 +2,7 @@
     /**
     * @class ModuleObject
     * @author NHN (developers@xpressengine.com)
-    * @brief base class of ModuleHandler
+    * base class of ModuleHandler
     **/
 
     class ModuleObject extends Object {
@@ -28,18 +28,21 @@
         var $stop_proc = false; ///< a flag to indicating whether to stop the execution of code.
 
 		var $module_config = NULL;
+		var $ajaxRequestMethod = array('XMLRPC', 'JSON');
 
         /**
-         * @brief setter to set the name of module
-         * @param name of module
+         * setter to set the name of module
+         * @param string $module name of module
+		 * @return void
          **/
         function setModule($module) {
             $this->module = $module;
         }
 
         /**
-         * @brief setter to set the name of module path
-         * @param the directory path to a module directory
+         * setter to set the name of module path
+         * @param string $path the directory path to a module directory
+		 * @return void
          **/
         function setModulePath($path) {
             if(substr($path,-1)!='/') $path.='/';
@@ -47,25 +50,37 @@
         }
 
         /**
-         * @brief setter to set an url for redirection
-         * @param $url url for redirection
+         * setter to set an url for redirection
+         * @param string $url url for redirection
          * @remark redirect_url is used only for ajax requests
+		 * @return void
          **/
-        function setRedirectUrl($url='./') {
-            $this->add('redirect_url', $url);
+        function setRedirectUrl($url='./', $output = NULL) {
+			$ajaxRequestMethod = array_flip($this->ajaxRequestMethod);
+			if(!isset($ajaxRequestMethod[Context::getRequestMethod()]))
+			{
+				$this->add('redirect_url', $url);
+			}
+
+			if($output !== NULL && is_object($output))
+			{
+				return $output;
+			}
         }
 
 		/**
-		 * @brief get url for redirection
+		 * get url for redirection
+		 * @return string redirect_url
 		 **/
 		function getRedirectUrl(){
 			return $this->get('redirect_url');
 		}
 
 		/**
-		 * @brief set message
-		 * @param $message a message string
-		 * @param $type type of message (error, info, update)
+		 * set message
+		 * @param string $message a message string
+		 * @param string $type type of message (error, info, update)
+		 * @return void
 		 **/
 		function setMessage($message, $type = null){
 			parent::setMessage($message);
@@ -73,28 +88,32 @@
 		}
 
 		/**
-		 * @brief set type of message
-		 * @param $type type of message (error, info, update)
+		 * set type of message
+		 * @param string $type type of message (error, info, update)
+		 * @return void
 		 **/
 		function setMessageType($type){
 			$this->add('message_type', $type);
 		}
 
 		/**
-		 * @brief get type of message
+		 * get type of message
+		 * @return string $type
 		 **/
 		function getMessageType(){
 			$type = $this->get('message_type');
-			if (!in_array($type, array('error', 'info', 'update'))){
+			$typeList = array('error'=>1, 'info'=>1, 'update'=>1);
+			if (!isset($typeList[$type])){
 				$type = $this->getError()?'error':'info';
 			}
 			return $type;
 		}
 
         /**
-         * @brief sett to set the template path for refresh.html
-         * @remark refresh.html is executed as a result of method execution
+         * sett to set the template path for refresh.html
+         * refresh.html is executed as a result of method execution
          * Tpl as the common run of the refresh.html ..
+		 * @return void
          **/
         function setRefreshPage() {
             $this->setTemplatePath('./common/tpl');
@@ -103,16 +122,19 @@
 
 
         /**
-         * @brief sett to set the action name
+         * sett to set the action name
+		 * @param string $act
+		 * @return void
          **/
         function setAct($act) {
             $this->act = $act;
         }
 
         /**
-         * @brief sett to set module information
-         * @param[in] $module_info object containing module information
-         * @param[in] $xml_info object containing module description
+         * sett to set module information
+         * @param object $module_info object containing module information
+         * @param object $xml_info object containing module description
+		 * @return void
         **/
         function setModuleInfo($module_info, $xml_info) {
             // The default variable settings
@@ -129,7 +151,7 @@
             $oModuleModel = &getModel('module');
             // permission settings. access, manager(== is_admin) are fixed and privilege name in XE
             $module_srl = Context::get('module_srl');
-            if(!$module_info->mid && preg_match('/^([0-9]+)$/',$module_srl)) {
+            if(!$module_info->mid && !is_array($module_srl) && preg_match('/^([0-9]+)$/',$module_srl)) {
                 $request_module = $oModuleModel->getModuleInfoByModuleSrl($module_srl);
                 if($request_module->module_srl == $module_srl) {
                     $grant = $oModuleModel->getGrant($request_module, $logged_info);
@@ -151,13 +173,15 @@
                 // Check permissions
                 switch($permission_target) {
                     case 'root' :
-                            $this->stop('msg_not_permitted_act');
-                        break;
-                    case 'manager' :
-                            if(!$grant->manager) $this->stop('msg_not_permitted_act');
-                        break;
+					case 'manager' :
+						$this->stop('msg_not_permitted_act');
+						return;
                     case 'member' :
-                            if(!$is_logged) $this->stop('msg_not_permitted_act');
+						if(!$is_logged)
+						{
+							$this->stop('msg_not_permitted_act');
+							return;
+						}
                         break;
                 }
             }
@@ -172,8 +196,9 @@
         }
 
         /**
-         * @brief set the stop_proc and approprate message for msg_code
-         * @param $msg_code an error code
+         * set the stop_proc and approprate message for msg_code
+         * @param string $msg_code an error code
+		 * @return ModuleObject $this
          **/
         function stop($msg_code) {
             // flag setting to stop the proc processing
@@ -195,7 +220,9 @@
         }
 
         /**
-         * @brief set the file name of the template file
+         * set the file name of the template file
+		 * @param string name of file
+		 * @return void
          **/
         function setTemplateFile($filename) {
             if(substr($filename,-5)!='.html') $filename .= '.html';
@@ -203,14 +230,17 @@
         }
 
         /**
-         * @brief retrieve the directory path of the template directory
+         * retrieve the directory path of the template directory
+		 * @return string
          **/
         function getTemplateFile() {
             return $this->template_file;
         }
 
         /**
-         * @brief set the directory path of the template directory
+         * set the directory path of the template directory
+		 * @param string path of template directory.
+		 * @return void
          **/
         function setTemplatePath($path) {
             if(substr($path,0,1)!='/' && substr($path,0,2)!='./') $path = './'.$path;
@@ -219,15 +249,17 @@
         }
 
         /**
-
-         * @brief retrieve the directory path of the template directory
+         * retrieve the directory path of the template directory
+		 * @return string
          **/
         function getTemplatePath() {
             return $this->template_path;
         }
 
         /**
-         * @brief set the file name of the temporarily modified by admin
+         * set the file name of the temporarily modified by admin
+		 * @param string name of file
+		 * @return void
          **/
         function setEditedLayoutFile($filename) {
             if(substr($filename,-5)!='.html') $filename .= '.html';
@@ -235,14 +267,17 @@
         }
 
         /**
-         * @brief retreived the file name of edited_layout_file
+         * retreived the file name of edited_layout_file
+		 * @return string
          **/
         function getEditedLayoutFile() {
             return $this->edited_layout_file;
         }
 
         /**
-         * @brief set the file name of the layout file
+         * set the file name of the layout file
+		 * @param string name of file
+		 * @return void
          **/
         function setLayoutFile($filename) {
             if(substr($filename,-5)!='.html') $filename .= '.html';
@@ -250,14 +285,16 @@
         }
 
         /**
-         * @brief get the file name of the layout file
+         * get the file name of the layout file
+		 * @return string
          **/
         function getLayoutFile() {
             return $this->layout_file;
         }
 
         /**
-         * @brief set the directory path of the layout directory
+         * set the directory path of the layout directory
+		 * @param string path of layout directory.
          **/
         function setLayoutPath($path) {
             if(substr($path,0,1)!='/' && substr($path,0,2)!='./') $path = './'.$path;
@@ -266,15 +303,16 @@
         }
 
         /**
-         * @brief set the directory path of the layout directory
+         * set the directory path of the layout directory
+		 * @return string
          **/
         function getLayoutPath() {
             return $this->layout_path;
         }
 
         /**
-         * @brief excute the member method specified by $act variable
-         *
+         * excute the member method specified by $act variable
+		 * @return boolean true : success false : fail 
          **/
         function proc() {
             // pass if stop_proc is true
@@ -297,7 +335,8 @@
             if(isset($this->xml_info->action->{$this->act}) && method_exists($this, $this->act)) {
                 // Check permissions
                 if(!$this->grant->access){
-					return $this->stop("msg_not_permitted_act");
+					$this->stop("msg_not_permitted_act");
+					return FALSE;
 				}
                 // integrate skin information of the module(change to sync skin info with the target module only by seperating its table)
                 $oModuleModel = &getModel('module');

classes/object/Object.class.php

@@ -1,105 +1,159 @@
 <?php
 /**
- * @class Object
- * @author NHN (developers@xpressengine.com)
- * @brief Base class design to pass the Object instance between XE Modules 
+ * Every modules inherits from Object class. It includes error, message, and other variables for communicatin purpose.
  *
- * @remark Every modules inherits from Object class. It includes error, message, and other variables for communicatin purpose
- **/
+ * @author NHN (developers@xpressengine.com)
+ */
 
 class Object {
-	var $error = 0; // / "Error code (if 0, it is not an error)
-	var $message = 'success'; // / "Error message (if success, it is not an error)
-
-	var $variables = array(); // /< an additional variable
-	var $httpStatusCode = NULL; ///< http status code.
 
 	/**
-	 * @brief constructor
-	 **/
+	 * Error code. If `0`, it is not an error.
+	 * @var int
+	 */
+	var $error = 0;
+
+	/**
+	 * Error message. If `success`, it is not an error.
+	 * @var string
+	 */
+	var $message = 'success'; 
+
+	/**
+	 * An additional variable
+	 * @var array
+	 */
+	var $variables = array();
+
+	/**
+	 * http status code.
+	 * @var int
+	 */
+	var $httpStatusCode = NULL;
+
+
+	/**
+	 * Constructor
+	 *
+	 * @param int $error Error code
+	 * @param string $message Error message
+	 * @return void
+	 */
 	function Object($error = 0, $message = 'success') {
 		$this->setError($error);
 		$this->setMessage($message);
 	}
 
+
 	/**
-	 * @brief Setter to set error code
-	 * @param[in] $error error code
-	 **/
+	 * Setter to set error code
+	 *
+	 * @param int $error error code
+	 * @return void
+	 */
 	function setError($error = 0) {
 		$this->error = $error;
 	}
 
 	/**
-	 * @brief Getter to retrieve error code
-	 **/
+	 * Getter to retrieve error code
+	 *
+	 * @return int Returns an error code
+	 */
 	function getError() {
 		return $this->error;
 	}
 
+	/**
+	 * Setter to set HTTP status code
+	 *
+	 * @param int $code HTTP status code. Default value is `200` that means successful
+	 * @return void
+	 */
 	function setHttpStatusCode($code = '200')
 	{
 		$this->httpStatusCode = $code;
 	}
 
+	/**
+	 * Getter to retrieve HTTP status code
+	 *
+	 * @return int Returns HTTP status code
+	 */
 	function getHttpStatusCode()
 	{
 		return $this->httpStatusCode;
 	}
 
 	/**
-	 * @brief Setter to set set the error message
-	 * @param[in] $message a messge string
-	 * @return return True
-	 * @remark this method always returns True. We'd better remove it
-	 **/
+	 * Setter to set set the error message
+	 *
+	 * @param string $message Error message
+	 * @return bool Alaways returns true.
+	 */
 	function setMessage($message = 'success') {
 		if(Context::getLang($message)) $message = Context::getLang($message);
 		$this->message = $message;
+
+		// TODO This method always returns True. We'd better remove it
 		return true;
 	}
 
 	/**
-	 * @brief getter to retrieve an error message
-	 **/
+	 * Getter to retrieve an error message
+	 *
+	 * @return string Returns message
+	 */
 	function getMessage() {
 		return $this->message;
 	}
 
 	/**
-	 * @brief setter to set a key/value pair as an additional variable
-	 * @param[in] $key a variable name
-	 * @param[in] $val a value for the variable
-	 **/
+	 * Setter to set a key/value pair as an additional variable
+	 *
+	 * @param string $key A variable name
+	 * @param mixed $val A value for the variable
+	 * @return void
+	 */
 	function add($key, $val) {
 		$this->variables[$key] = $val;
 	}
 
 	/**
-	 * @brief method to set multiple key/value pairs as an additional variables
-	 * @param[in] $object either object or array containg key/value pairs to be added
-	 **/
-	function adds($object) {
-		if(is_object($object)) {
-			$vars = get_object_vars($object);
-			foreach($vars as $key => $val) $this->add($key, $val);
-		} elseif(is_array($object)) {
-			foreach($object as $key => $val) $this->add($key, $val);
+	 * Method to set multiple key/value pairs as an additional variables
+	 *
+	 * @param Object|array $object Either object or array containg key/value pairs to be added
+	 * @return void
+	 */
+	function adds($object)
+	{
+		if(is_object($object))
+		{
+			$object = get_object_vars($object);
+		} 
+
+		if(is_array($object))
+		{
+			foreach($object as $key => $val) $this->variables[$key] = $val;
 		}
 	}
 
 	/**
-	 * @brief method to retrieve a corresponding value to a given key
-	 **/
+	 * Method to retrieve a corresponding value to a given key
+	 *
+	 * @param string $key
+	 * @return string Returns value to a given key
+	 */
 	function get($key) {
 		return $this->variables[$key];
 	}
 
 
 	/**
-	 * @brief method to retrieve an object containing a key/value paris 
-	 * @return Returns an object containing key/value pairs    
-	**/
+	 * Method to retrieve an object containing a key/value paris
+	 *
+	 * @return Object Returns an object containing key/value pairs
+	 */
 	function gets() {
 		$num_args = func_num_args();
 		$args_list = func_get_args();
@@ -111,35 +165,40 @@ class Object {
 	}
 
 	/**
-	 * @brief method to retrieve an array of key/value pairs
-	 * @return Return a list of key/value pairs
-	 **/
+	 * Method to retrieve an array of key/value pairs
+	 *
+	 * @return array
+	 */
 	function getVariables() {
 		return $this->variables;
 	}
 
 	/**
-	 * @brief method to retrieve an object of key/value pairs
-	 * @return Return an object of key/value pairs
-	 **/
+	 * Method to retrieve an object of key/value pairs
+	 *
+	 * @return Object
+	 */
 	function getObjectVars() {
 		foreach($this->variables as $key => $val) $output->{$key} = $val;
 		return $output;
 	}
 
 	/**
-	 * @brief method to return either true or false depnding on the value in a 'error' variable
-	 * @remark this method is misleading in that it returns true if error is 0, which should be true in
-	 * boolean representation.
-	 **/
+	 * Method to return either true or false depnding on the value in a 'error' variable
+	 *
+	 * @return bool Retruns true : error isn't 0 or false : otherwise.
+	 */
 	function toBool() {
+		// TODO This method is misleading in that it returns true if error is 0, which should be true in boolean representation.
 		return $this->error==0?true:false;
 	}
 
 
 	/**
-	 * @brief method to return either true or false depnding on the value in a 'error' variable
-	 **/
+	 * Method to return either true or false depnding on the value in a 'error' variable
+	 *
+	 * @return bool
+	 */
 	function toBoolean() {
 	return $this->toBool();
 	}

classes/page/PageHandler.class.php

@@ -2,7 +2,7 @@
     /**
      * @class PageHandler
      * @author NHN (developers@xpressengine.com)
-     * @brief handles page navigation
+     * handles page navigation
      * @version 0.1
      *
      * @remarks Getting total counts, number of pages, current page number, number of items per page, 
@@ -20,11 +20,12 @@
         var $point = 0; ///< increments per getNextPage() 
 
         /**
-         * @brief constructor
-         * @param[in] $total_count number of total items
-         * @param[in] $total_page number of total pages
-         * @param[in] $cur_page current page number
-         * @param[in] $page_count number of page links displayed at one time 
+         * constructor
+         * @param int $total_count number of total items
+         * @param int $total_page number of total pages
+         * @param int $cur_page current page number
+         * @param int $page_count number of page links displayed at one time 
+		 * @return void
          **/
         function PageHandler($total_count, $total_page, $cur_page, $page_count = 10) {
             $this->total_count = $total_count;
@@ -45,8 +46,8 @@
         }
 
         /**
-         * @brief request next page
-         * @return next page number
+         * request next page
+         * @return int next page number
          **/
         function getNextPage() {
             $page = $this->first_page+$this->point++;
@@ -54,6 +55,11 @@
             return $page;
         }
 		
+        /**
+         * return number of page that added offset.
+		 * @param int $offset
+         * @return int
+         **/
 		function getPage($offset) 
 		{
 			return max(min($this->cur_page + $offset, $this->total_page), '');

classes/security/Security.class.php

@@ -1,20 +1,23 @@
 <?php
 /**
- * @class Security
- * @brief This class helps to solve security problems.
+ * - Security class
+ * - This class helps to solve security problems.
  * @author NHN (developers@xpressengine.com)
- **/
+ * @package /classes/security
+ * @version 0.1
+ */
 class Security
 {
 	/**
-	 * @brief Action target variable. If this value is null, the method will use Context variables
-	 * @protected
+	 * Action target variable. If this value is null, the method will use Context variables
+	 * @var mixed
 	 **/
 	var $_targetVar = null;
 
 	/**
 	 * @constructor
-	 * @param $var Target context
+	 * @param mixed $var Target context
+	 * @return void
 	 */
 	function Security($var = null)
 	{
@@ -22,13 +25,11 @@ class Security
 	}
 
 	/**
-	 * @brief Convert special characters to HTML entities for the target variables.
-	 *        The results of conversion are equivalent to the results of htmlspecialchars() which is a native function of PHP.
-	 * @params string $varName
-	 *         A variable's name to convert
-	 *         To process properties of an object or elements of an array,
-	 *         separate the owner(object or array) and the item(property or element) using a dot(.)
-	 * @public
+	 * - Convert special characters to HTML entities for the target variables.
+	 * - The results of conversion are equivalent to the results of htmlspecialchars() which is a native function of PHP.
+	 * @params string $varName. A variable's name to convert to process properties of an object or elements of an array,
+	 * separate the owner(object or array) and the item(property or element) using a dot(.)
+	 * @return mixed
 	 */
 	function encodeHTML(/*, $varName1, $varName2, ... */)
 	{
@@ -70,7 +71,10 @@ class Security
 	}
 
 	/**
-	 * @protected
+	 * Convert special characters to HTML entities for the target variables.
+	 * @param mixed $var
+	 * @param array $name
+	 * @return mixed
 	 */
 	function _encodeHTML($var, $name=array())
 	{

classes/template/TemplateHandler.class.php

@@ -2,7 +2,7 @@
 /**
  * @class TemplateHandler
  * @author NHN (developers@xpressengine.com)
- * @brief template compiler
+ * template compiler
  * @version 0.1
  * @remarks It compiles template file by using regular expression into php
  *          code, and XE caches compiled code for further uses
@@ -22,6 +22,10 @@ class TemplateHandler {
 
 	var $handler_mtime = 0;
 
+	/**
+	 * constructor
+	 * @return void
+	 **/
 	function TemplateHandler()
 	{
 		// TODO: replace this with static variable in PHP5
@@ -33,7 +37,7 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief returns TemplateHandler's singleton object
+	 * returns TemplateHandler's singleton object
 	 * @return TemplateHandler instance
 	 **/
 	function &getInstance()
@@ -51,7 +55,11 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief set variables for template compile
+	 * set variables for template compile
+	 * @param string $tpl_path
+	 * @param string $tpl_filename
+	 * @param string $tpl_file
+	 * @return void
 	 **/
 	function init($tpl_path, $tpl_filename, $tpl_file='')
 	{
@@ -80,11 +88,11 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief compiles specified tpl file and execution result in Context into resultant content
-	 * @param[in] $tpl_path path of the directory containing target template file
-	 * @param[in] $tpl_filename target template file's name
-	 * @param[in] $tpl_file if specified use it as template file's full path
-	 * @return Returns compiled result in case of success, NULL otherwise
+	 * compiles specified tpl file and execution result in Context into resultant content
+	 * @param string $tpl_path path of the directory containing target template file
+	 * @param string $tpl_filename target template file's name
+	 * @param string $tpl_file if specified use it as template file's full path
+	 * @return string Returns compiled result in case of success, NULL otherwise
 	 */
 	function compile($tpl_path, $tpl_filename, $tpl_file='') {
 		global $__templatehandler_root_tpl;
@@ -140,10 +148,10 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief compile specified file and immediately return
-	 * @param[in] $tpl_path path of the directory containing target template file
-	 * @param[in] $tpl_filename target template file's name
-	 * @return Returns compiled content in case of success or NULL in case of failure
+	 * compile specified file and immediately return
+	 * @param string $tpl_path path of the directory containing target template file
+	 * @param string $tpl_filename target template file's name
+	 * @return string Returns compiled content in case of success or NULL in case of failure
 	 **/
 	function compileDirect($tpl_path, $tpl_filename) {
 		$this->init($tpl_path, $tpl_filename, null);
@@ -158,11 +166,9 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief compile a template file specified in $tpl_file and
-	 * @pre files specified by $tpl_file exists.
-	 * @param[in] $tpl_file path of tpl file
-	 * @param[in] $compiled_tpl_file if specified, write compiled result into the file
-	 * @return compiled result in case of success or NULL in case of error
+	 * parse syntax.
+	 * @param string $buff template file
+	 * @return string compiled result in case of success or NULL in case of error
 	 **/
 	function parse($buff=null) {
 		if(is_null($buff)) {
@@ -189,8 +195,8 @@ class TemplateHandler {
 		// include, unload/load, import
 		$buff = preg_replace_callback('/{(@[\s\S]+?|(?=\$\w+|_{1,2}[A-Z]+|[!\(+-]|\w+(?:\(|::)|\d+|[\'"].*?[\'"]).+?)}|<(!--[#%])?(include|import|(un)?load(?(4)|(?:_js_plugin)?))(?(2)\(["\']([^"\']+)["\'])(.*?)(?(2)\)--|\/)>|<!--(@[a-z@]*)([\s\S]*?)-->(\s*)/', array($this, '_parseResource'), $buff);
 
-		// remove block which is a virtual tag and remove comments
-		$buff = preg_replace('@</?block\s*>|\s?<!--//(.*?)-->@is','',$buff);
+		// remove block which is a virtual tag
+		$buff = preg_replace('@</?block\s*>@is','',$buff);
 
 		// form auto generation
 		$buff = preg_replace_callback('/(<form(?:<\?php.+?\?>|[^<>]+)*?>)(.*?)(<\/form>)/is', array($this, '_compileFormAuthGeneration'), $buff);
@@ -198,14 +204,20 @@ class TemplateHandler {
 		// prevent from calling directly before writing into file
 		$buff = '<?php if(!defined("__XE__"))exit;?>'.$buff;
 
+		// remove php script reopening
+		$buff = preg_replace(array('/(\n|\r\n)+/','/(;)?( )*\?\>\<\?php([\n\t ]+)?/'),array("\n",";\n"),$buff);
+
 		return $buff;
 	}
 
 	/**
-	 * @brief 1. remove ruleset from form tag
+	 * preg_replace_callback handler
+	 * 1. remove ruleset from form tag
 	 * 2. add hidden tag with ruleset value
 	 * 3. if empty default hidden tag, generate hidden tag (ex:mid, vid, act...)
 	 * 4. generate return url, return url use in server side validator
+	 * @param array $matches
+	 * @return string
 	 **/
 	function _compileFormAuthGeneration($matches)
 	{
@@ -260,7 +272,7 @@ class TemplateHandler {
 		if(!preg_match('/no-error-return-url="true"/i', $matches[1]))
 		{
 			preg_match('/<input[^>]*name="error_return_url"[^>]*>/is', $matches[2], $m3);
-			if(!$m3[0]) $matches[2] = '<input type="hidden" name="error_return_url" value="<?php echo getRequestUriByServerEnviroment() ?>" />'.$matches[2];
+			if(!$m3[0]) $matches[2] = '<input type="hidden" name="error_return_url" value="<?php echo htmlspecialchars(getRequestUriByServerEnviroment()) ?>" />'.$matches[2];
 		}
 		else
 		{
@@ -272,11 +284,9 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief fetch using ob_* function
-	 * @param[in] $compiled_tpl_file path of compiled template file
-	 * @param[in] $buff if buff is not null, eval it instead of including compiled template file
-	 * @param[in] $tpl_path set context's tpl path
-	 * @return result string
+	 * fetch using ob_* function
+	 * @param string $buff if buff is not null, eval it instead of including compiled template file
+	 * @return string
 	 **/
 	function _fetch($buff) {
 		if(!$buff) return;
@@ -300,10 +310,12 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief change image path
-	 * @pre $matches is an array containg three elements
-	 * @param[in] $matches match
-	 * @return changed result
+	 * preg_replace_callback hanlder
+	 * 
+	 * replace image path
+	 * @param array $match
+	 *
+	 * @return string changed result
 	 **/
 	function _replacePath($match)
 	{
@@ -320,6 +332,11 @@ class TemplateHandler {
 		return substr($match[0],0,-strlen($match[1])-6)."src=\"{$src}\"";
 	}
 
+	/**
+	 * replace loop and cond template syntax
+	 * @param string $buff
+	 * @return string changed result
+	 **/
 	function _parseInline($buff)
 	{
 		if(preg_match_all('/<([a-zA-Z]+\d?)(?>(?!<[a-z]+\d?[\s>]).)*?(?:[ \|]cond| loop)="/s', $buff, $match) === false) return $buff;
@@ -334,7 +351,7 @@ class TemplateHandler {
 		$nodes = preg_split($split_regex, $buff, -1, PREG_SPLIT_DELIM_CAPTURE);
 
 		// list of self closing tags
-		$self_closing = explode(',', 'area,base,basefont,br,hr,input,img,link,meta,param,frame,col');
+		$self_closing = array('area'=>1,'base'=>1,'basefont'=>1,'br'=>1,'hr'=>1,'input'=>1,'img'=>1,'link'=>1,'meta'=>1,'param'=>1,'frame'=>1,'col'=>1);
 
 		for($idx=1,$node_len=count($nodes); $idx < $node_len; $idx+=2) {
 			if(!($node=$nodes[$idx])) continue;
@@ -375,7 +392,7 @@ class TemplateHandler {
 
 				// find closing tag
 				$close_php = '<?php '.str_repeat('}', $closing).' ?>';
-				if($node{1} == '!' || substr($node,-2,1) == '/' || in_array($tag, $self_closing)) { //  self closing tag
+				if($node{1} == '!' || substr($node,-2,1) == '/' || isset($self_closing[$tag])) { //  self closing tag
 					$nodes[$idx+1] = $close_php.$nodes[$idx+1];
 				} else {
 					$depth = 1;
@@ -396,7 +413,7 @@ class TemplateHandler {
 			}
 
 			if(strpos($node, '|cond="') !== false) {
-				$node = preg_replace('@(\s[\w:\-]+="[^"]+?")\|cond="(.+?)"@s', '<?php if($2){ ?>$1<?php } ?>', $node);
+				$node = preg_replace('@(\s[-\w:]+="[^"]+?")\|cond="(.+?)"@s', '<?php if($2){ ?>$1<?php } ?>', $node);
 				$node = $this->_replaceVar($node);
 			}
 
@@ -408,6 +425,12 @@ class TemplateHandler {
 		return $buff;
 	}
 
+	/**
+	 * preg_replace_callback hanlder
+	 * replace php code.
+	 * @param array $m
+	 * @return string changed result
+	 **/
 	function _parseResource($m)
 	{
 		// {@ ... } or {$var} or {func(...)}
@@ -545,6 +568,11 @@ class TemplateHandler {
 		return $m[0];
 	}
 
+	/**
+	 * change relative path
+	 * @param string $path
+	 * @return string
+	 **/
 	function _getRelativeDir($path)
 	{
 		$_path = $path;
@@ -573,7 +601,9 @@ class TemplateHandler {
 	}
 
 	/**
-	 * @brief replace PHP variables of $ character
+	 * replace PHP variables of $ character
+	 * @param string $php
+	 * @return string $__Context->varname
 	 **/
 	function _replaceVar($php) {
 		if(!strlen($php)) return '';

classes/validator/Validator.class.php

@@ -2,25 +2,66 @@
 /**
  * Validator class
  * @author NHN (developers@xpressengine.com)
+ * @package /classes/validator
+ * @version 0.1
  */
 class Validator
 {
+	/**
+	 * cache directory
+	 * @var string
+	 */
 	var $_cache_dir = '';
+	/**
+	 * last error
+	 * @var array
+	 */
 	var $_last_error;
+	/**
+	 * xml ruleset object
+	 * @var Xml_Node_ object
+	 */
 	var $_xml_ruleset = null;
+	/**
+	 * rule list
+	 * @var array
+	 */
 	var $_rules;
+	/**
+	 * filter list
+	 * @var array
+	 */
 	var $_filters;
+	/**
+	 * Can usable status for multibyte string function
+	 * @var boolean
+	 */
 	var $_has_mb_func;
+	/**
+	 * validator version
+	 * @var string
+	 */
 	var $_version = '1.0';
+	/**
+	 * ruleset xml file path
+	 * @var string
+	 */
 	var $_xml_path = '';
 
 	/**
 	 * @constructor
+	 * @param string $xml_path
+	 * @return void
 	 */
 	function Validator($xml_path='') {
 		$this->__construct($xml_path);
 	}
 
+	/**
+	 * @constructor
+	 * @param string $xml_path
+	 * @return void
+	 */
 	function __construct($xml_path='') {
 		$this->_rules   = array();
 		$this->_filters = array();
@@ -42,6 +83,10 @@ class Validator
 		$this->setCacheDir('./files/cache');
 	}
 
+	/**
+	 * @destructor
+	 * @return void
+	 */
 	function __destruct() {
 		$this->_rules   = null;
 		$this->_filters = null;
@@ -49,7 +94,8 @@ class Validator
 
 	/**
 	 * Load a xml file
-	 * @param[in] string $xml_path A file name to be loaded
+	 * @param string $xml_path A file name to be loaded
+	 * @return boolean
 	 */
 	function load($xml_path) {
 		$this->_xml_ruleset = null;
@@ -116,7 +162,8 @@ class Validator
 
 	/**
 	 * Set root cache directory
-	 * @param[in] string $cache_dir Root cache directory
+	 * @param string $cache_dir Root cache directory
+	 * @return void
 	 */
 	function setCacheDir($cache_dir){
 		if(is_dir($cache_dir)) {
@@ -126,8 +173,8 @@ class Validator
 
 	/**
 	 * Validate the fields. If the fields aren't passed, validation will be execute on the Context variables.
-	 * @param[in] (optional) array $fields Target fields. The keys of the array represents field's name, its values represents field's value.
-	 * @return bool True if it is valid, FALSE otherwise.
+	 * @param array $fields Target fields. The keys of the array represents field's name, its values represents field's value.
+	 * @return boolean TRUE if it is valid, FALSE otherwise.
 	 */
 	function validate($fields_=null) {
 		if(is_array($fields_)) {
@@ -245,6 +292,8 @@ class Validator
 
 	/**
 	 * apply trim recursive
+	 * @param string|array $array
+	 * @return string|array
 	 */
 	function arrayTrim($array)
 	{
@@ -260,8 +309,8 @@ class Validator
 
 	/**
 	 * Log an error
-	 * @param[in] $msg error message
-	 * @return always false
+	 * @param $msg error message
+	 * @return boolean always false
 	 */
 	function error($field, $msg){
 		$lang_filter = Context::getLang('filter');
@@ -283,8 +332,9 @@ class Validator
 
 	/**
 	 * Add a new rule
-	 * @param[in] string $name rule name
-	 * @param[in] mixed $rule
+	 * @param string $name rule name
+	 * @param mixed $rule
+	 * @return void
 	 */
 	function addRule($name, $rule=''){
 		if(is_array($name)) $args = $name;
@@ -305,12 +355,19 @@ class Validator
 
 	/**
 	 * Remove a rule
-	 * @param[in] string $name rule name
+	 * @param string $name rule name
+	 * @return void
 	 */
 	function removeRule($name){
 		unset($this->_rules[$name]);
 	}
 
+	/**
+	 * add filter to filter list
+	 * @param string $name rule name
+	 * @param string $filter filter
+	 * @return void
+	 */
 	function addFilter($name, $filter='') {
 		if(is_array($name)) $args = $name;
 		else $args = array($name=>$filter);
@@ -331,15 +388,20 @@ class Validator
 		}
 	}
 
+	/**
+	 * remove filter from filter list
+	 * @param string $name rule name
+	 * @return void
+	 */
 	function removeFilter($name) {
 		unset($this->_filters[$name]);
 	}
 
 	/**
 	 * Find whether the field is valid with the rule
-	 * @param[in] string $name rule name
-	 * @param[in] string $value a value to be validated
-	 * @return bool TRUE if the field is valid, FALSE otherwise.
+	 * @param string $name rule name
+	 * @param string $value a value to be validated
+	 * @return boolean TRUE if the field is valid, FALSE otherwise.
 	 */
 	function applyRule($name, $value){
 		$rule = $this->_rules[$name];
@@ -356,7 +418,7 @@ class Validator
 				return in_array($value, $rule['test']);
 			case 'expr':
 				if(!$rule['func_test']) {
-					$rule['func_test'] = create_function('$a', 'return ('.preg_replace('/\$\$/', '$a', $rule['test']).');');
+					$rule['func_test'] = create_function('$a', 'return ('.preg_replace('/\$\$/', '$a', html_entity_decode($rule['test'])).');');
 				}
 				return $rule['func_test']($value);
 		}
@@ -365,7 +427,9 @@ class Validator
 	}
 
 	/**
-	 * Return
+	 * if not supported 'mb_strlen' function, this method can use.
+	 * @param string $str
+	 * @return int
 	 */
 	function mbStrLen($str){
 		$arr = count_chars($str);
@@ -411,7 +475,7 @@ class Validator
 
 	/**
 	 * Compile a ruleset to a javascript file
-	 * @private
+	 * @return string
 	 */
 	function _compile2js() {
 		global $lang;

classes/xml/GeneralXmlParser.class.php

@@ -1,18 +1,23 @@
 <?php
-    /**
-     * @class GeneralXmlParser
-     * @author NHN (developers@xpressengine.com)
-     * @brief Generic XML parser for XE
-     * @version 0.1
-     */
-    class GeneralXmlParser {
+/**
+ * GeneralXmlParser class
+ * Generic XML parser for XE
+ * @author NHN (developers@xpressengine.com)
+ * @package /classes/xml
+ * @version 0.1
+ */
+class GeneralXmlParser {
+	/**
+	 * result of parse
+	 * @var array
+	 */
 	var $output = array();
 
-    /**
-    * @brief parse a given input to product a object containing parse values.
-    * @param[in] $input data to be parsed
-    * @return Returns an object containing parsed values or NULL in case of failure
-    */
+	/**
+	* Parse a given input to product a object containing parse values.
+	* @param string $input data to be parsed
+	* @return array|NULL Returns an object containing parsed values or NULL in case of failure
+	*/
 	function parse($input = '') {
 	    $oParser = xml_parser_create('UTF-8');
 	    xml_set_object($oParser, $this);
@@ -28,12 +33,13 @@
 	    return $this->output;
 	}
 
-    /**
-    * @brief start element handler
-    * @param[in] $parse an instance of parser
-    * @param[in] $node_name a name of node
-    * @param[in] $attrs attributes to be set
-    */
+	/**
+	* Start element handler
+	* @param resource $parser an instance of parser
+	* @param string $node_name a name of node
+	* @param array $attrs attributes to be set
+	* @return void
+	*/
 	function _tagOpen($parser, $node_name, $attrs) {
 	    $obj->node_name = strtolower($node_name);
 	    $obj->attrs = $attrs;
@@ -42,23 +48,25 @@
 	    array_push($this->output, $obj);
 	}
 
-    /**
-    * @brief character data handler
-    *  variable in the last element of this->output
-    * @param[in] $parse an instance of parser
-    * @param[in] $body a data to be added
-    */
+	/**
+	* Character data handler
+	* Variable in the last element of this->output
+	* @param resource $parse an instance of parser
+	* @param string $body a data to be added
+	* @return void
+	*/
 	function _tagBody($parser, $body) {
 	    //if(!trim($body)) return;
 	    $this->output[count($this->output)-1]->body .= $body;
 	}
 
 
-    /**
-    * @brief end element handler
-    * @param[in] $parse an instance of parser
-    * @param[in] $node_name name of xml node
-    */
+	/**
+	* End element handler
+	* @param resource $parse an instance of parser
+	* @param string $node_name name of xml node
+	* @return void
+	*/
 	function _tagClosed($parser, $node_name) {
 	    $node_name = strtolower($node_name);
 	    $cur_obj = array_pop($this->output);
@@ -79,5 +87,5 @@
 	    }
 	}
 
-    }
+}
 ?>

classes/xml/XmlGenerator.class.php

@@ -1,7 +1,16 @@
 <?php
-
+/**
+ * XmlGenerator class
+ * @author NHN (developers@xpressengine.com)
+ * @package /classes/xml
+ * @version 0.1
+ */
 class XmlGenerator{
-
+	/**
+	* object change to xml
+	* @param object $xml
+	* @return string
+	*/
 	function obj2xml($xml){
 		$buff = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n";
 
@@ -11,6 +20,11 @@ class XmlGenerator{
 		return $buff;
 	}
 
+	/**
+	* object change to xml
+	* @param object $node node in xml object
+	* @return string
+	*/
 	function _makexml($node){
 		$body = '';
 		foreach($node as $key => $value){

classes/xml/XmlJsFilter.class.php

@@ -1,13 +1,10 @@
 <?php
 	/**
-	 * @class XmlJsFilter
-	 * @author NHN (developers@xpressengine.com)
-	 * @brief filter class traslate xml content into javascript code
-     * @version 0.2
+	 * filter class traslate xml content into javascript code
 	 *
 	 * it convert xml code into js file and save the result as a cache file
      * @code
-     * {
+     * <pre>{
 	 * <filter name="name of javascript funcion" act="action name" confirm_msg_code="message string to be prompted when submitting the form" >
 	 *  <form> <-- code to validate data in the form
 	 *    <node target="name" required="true" minlength="1" maxlength="5" filter="email,userid,alpha,number" equalto="target" />
@@ -19,9 +16,10 @@
 	 * <tag name="error" /> <- get the result of error name
 	 *  </response>
 	 * </filter>
-     * }
+     * }</pre>
      *
-	 * @detail {
+	 * @detail
+	 * <pre>{
      * - syntax description of <form> node
 	 *  target = name of for element
 	 *  required = flag indicating whether a field is mandatory or not
@@ -40,18 +38,40 @@
 	 *
 	 * - response
 	 *  tag = key : name of variable that will contain the result of the execution
-     *  }
-	 **/
-
+     * }</pre>
+	 * @class XmlJsFilter
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml
+     * @version 0.2
+	 */
 	class XmlJsFilter extends XmlParser {
+		/**
+		 * version
+		 * @var string
+		 */
         var $version = '0.2.5';
+		/**
+		 * compiled javascript cache path
+		 * @var string
+		 */
 		var $compiled_path = './files/cache/js_filter_compiled/'; // / directory path for compiled cache file
-		var $xml_file = NULL; // / Target xml file
-		var $js_file = NULL; // / Compiled js file
+		/**
+		 * Target xml file
+		 * @var string
+		 */
+		var $xml_file = NULL;
+		/**
+		 * Compiled js file
+		 * @var string
+		 */
+		var $js_file = NULL; // / 
 
 		/**
-		 * @brief constructor
-		 **/
+		 * constructor
+		 * @param string $path
+		 * @param string $xml_file
+		 * @return void
+		 */
 		function XmlJsFilter($path, $xml_file) {
 			if(substr($path,-1)!=='/') $path .= '/';
 			$this->xml_file = sprintf("%s%s",$path, $xml_file);
@@ -59,9 +79,9 @@
 		}
 
 		/**
-		 * @brief compile a xml_file only when a corresponding js file does not exists or is outdated
-         * @return Returns NULL regardless of the success of failure of the operation
-         **/
+		 * Compile a xml_file only when a corresponding js file does not exists or is outdated
+         * @return void Returns NULL regardless of the success of failure of the operation
+         */
 		function compile() {
 			if(!file_exists($this->xml_file)) return;
 			if(!file_exists($this->js_file)) $this->_compile();
@@ -70,8 +90,9 @@
 		}
 
 		/**
-		 * @brief compile a xml_file into js_file
-		 **/
+		 * compile a xml_file into js_file
+		 * @return void
+		 */
 		function _compile() {
 			global $lang;
 
@@ -283,7 +304,9 @@
 		}
 
 		/**
-		 * @brief return a file name of js file corresponding to the xml file
+		 * return a file name of js file corresponding to the xml file
+		 * @param string $xml_file
+		 * @return string
 		 **/
 		function _getCompiledFileName($xml_file) {
 			return sprintf('%s%s.%s.compiled.js',$this->compiled_path, md5($this->version.$xml_file),Context::getLangType());

classes/xml/XmlLangParser.class.php

@@ -1,22 +1,50 @@
 <?php
 	/**
-	 * @class XmlLangParser
+	 * XmlLangParser class
+	 * Change to lang php file from xml.
 	 * @author NHN (developers@xpressengine.com)
-	 * @brief change to lang php file from xml.
-     * @version 0.1
+	 * @package /classes/xml
+	 * @version 0.1
 	 **/
-
 	class XmlLangParser extends XmlParser {
+		/**
+		 * compiled language cache path
+		 * @var string
+		 */
 		var $compiled_path = './files/cache/lang/'; // / directory path for compiled cache file
-		var $xml_file = NULL; // / Target xml file
-		var $php_file = NULL; // / Target php file
+		/**
+		 * Target xml file
+		 * @var string
+		 */
+		var $xml_file = NULL;
+		/**
+		 * Target php file
+		 * @var string
+		 */
+		var $php_file = NULL;
+		/**
+		 * result source code
+		 * @var string
+		 */
 		var $code;
+		/**
+		 * language list, for example ko, en...
+		 * @var array
+		 */
 		var $lang_types;
+		/**
+		 * language type
+		 * @see _XE_PATH_.'/common/lang/lang.info'
+		 * @var string
+		 */
 		var $lang_type;
 
 		/**
-		 * @brief constructor
-		 **/
+		 * constructor
+		 * @param string $xml_file
+		 * @param string $lang_type
+		 * @return void
+		 */
 		function XmlLangParser($xml_file, $lang_type) {
 			$this->lang_type = $lang_type;
 			$this->xml_file = $xml_file;
@@ -24,9 +52,9 @@
 		}
 
 		/**
-		 * @brief compile a xml_file only when a corresponding php lang file does not exists or is outdated
-         * @return Returns compiled php file.
-         **/
+		 * compile a xml_file only when a corresponding php lang file does not exists or is outdated
+		 * @return string|bool Returns compiled php file.
+		 */
 		function compile() {
 			if(!file_exists($this->xml_file)) return false;
 			if(!file_exists($this->php_file)){
@@ -36,9 +64,13 @@
 				else return $this->php_file;
 			}
 
-			return $this->_writefile() ? $this->php_file : false;
+			return $this->_writeFile() ? $this->php_file : false;
 		}
 
+		/**
+		 * Return compiled content
+		 * @return string Returns compiled lang source code 
+		 */
 		function getCompileContent() {
 			if(!file_exists($this->xml_file)) return false;
 			$this->_compile();
@@ -47,8 +79,9 @@
 		}
 
 		/**
-		 * @brief compile a xml_file
-		 **/
+		 * Compile a xml_file
+		 * @return void
+		 */
 		function _compile() {
 			$lang_selected = Context::loadLangSelected();
 			$this->lang_types = array_keys($lang_selected);
@@ -68,8 +101,9 @@
 		}
 
 		/**
-		 * @brief writing cache file
-		 **/
+		 * Writing cache file
+		 * @return void|bool
+		 */
 		function _writeFile(){
 			if(!$this->code) return;
 			FileHandler::writeFile($this->php_file, "<?php\n".$this->code);
@@ -77,8 +111,11 @@
 		}
 
 		/**
-		 * @brief Parsing item node
-		 **/
+		 * Parsing item node, set content to '$this->code'
+		 * @param object $item
+		 * @param string $var
+		 * @return void
+		 */
 		function _parseItem($item, $var){
 			$name = $item->attrs->name;
 			$value = $item->value;
@@ -108,8 +145,11 @@
 		}
 
 		/**
-		 * @brief Parsing value nodes
-		 **/
+		 * Parsing value nodes
+		 * @param array $nodes
+		 * @param string $var
+		 * @return array|string
+		 */
 		function _parseValues($nodes, $var) {
 			if(!is_array($nodes)) $nodes = array($nodes);
 
@@ -132,8 +172,11 @@
 		}
 
 		/**
-		 * @brief Parsing value node
-		 **/
+		 * Parsing value node
+		 * @param object $node
+		 * @param string $var
+		 * @return array|bool
+		 */
 		function _parseValue($node, $var) {
 			$lang_type = $node->attrs->xml_lang;
 			$value = $node->body;
@@ -144,8 +187,11 @@
 		}
 
 		/**
-		 * @brief get cache file name
-		 **/
+		 * Get cache file name
+		 * @param string $lang_type
+		 * @param string $type
+		 * @return string
+		 */
 		function _getCompiledFileName($lang_type, $type='php') {
 			return sprintf('%s%s.%s.php',$this->compiled_path, md5($this->xml_file), $lang_type);
 		}

classes/xml/XmlParser.class.php

@@ -1,6 +1,11 @@
 <?php
-
-    /* Element node or attribute node. */
+	/**
+	 * Xml_Node_ class
+     * Element node or attribute node.
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml
+	 * @version 0.1
+	 */
     class Xml_Node_
     {
 	/** In PHP5 this will silence E_STRICT warnings
@@ -13,33 +18,46 @@
 	}
     }
 
-    /**
-     * @class XmlParser 
-     * @author NHN (developers@xpressengine.com)
-     * @brief class parsing a given xmlrpc request and creating a data object
-     * @version 0.1
-     *
-     * @remarks { 
-     * This class may drops unsupported xml lanuage attributes when multiple language attributes are given.
-     * For example, if 'xml:lang='ko, en, ch, jp..' is given in a xml file, only ko will be left ignoring all other language
-     * attributes when kor is only supported language. It seems to work fine now but we did not scrutinze any potential side effects,
-     * }
-     **/
-
+	/**
+	 * XmlParser class
+	 * Class parsing a given xmlrpc request and creating a data object
+	 * @remarks <pre>{ 
+	 * This class may drops unsupported xml lanuage attributes when multiple language attributes are given.
+	 * For example, if 'xml:lang='ko, en, ch, jp..' is given in a xml file, only ko will be left ignoring all other language
+	 * attributes when kor is only supported language. It seems to work fine now but we did not scrutinze any potential side effects,
+	 * }</pre>
+	 *
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml
+	 * @version 0.1
+	 */
     class XmlParser {
+		/**
+		 * Xml parser
+		 * @var resource
+		 */
+        var $oParser = NULL;
+		/**
+		 * Input xml
+		 * @var string
+		 */
+        var $input = NULL;
+		/**
+		 * Output object in array
+		 * @var array
+		 */
+        var $output = array();
+		/**
+		 * The default language type
+		 * @var string
+		 */
+        var $lang = "en";
 
-        var $oParser = NULL; ///< xml parser
-
-        var $input = NULL; ///< input xml
-        var $output = array(); ///< output object
-
-        var $lang = "en"; // /< The default language type
-
-        /**
-         * @brief load a xml file specified by a filename and parse it to Return the resultant data object
-         * @param[in] $filename a file path of file
-         * @return Returns a data object containing data extracted from a xml file or NULL if a specified file does not exist
-         **/
+		/**
+		 * Load a xml file specified by a filename and parse it to Return the resultant data object
+		 * @param string $filename a file path of file
+		 * @return array Returns a data object containing data extracted from a xml file or NULL if a specified file does not exist
+		 */
         function loadXmlFile($filename) {
             if(!file_exists($filename)) return;
             $buff = FileHandler::readFile($filename);
@@ -48,11 +66,13 @@
             return $oXmlParser->parse($buff);
         }
 
-        /**
-         * @brief parse xml data to extract values from it and construct data object
-         * @param[in] a data buffer containing xml data
-         * @return Returns a resultant data object or NULL in case of error
-         **/
+		/**
+		 * Parse xml data to extract values from it and construct data object
+		 * @param string $input a data buffer containing xml data
+		 * @param mixed $arg1 ???
+		 * @param mixed $arg2 ???
+		 * @return array Returns a resultant data object or NULL in case of error
+		 */
         function parse($input = '', $arg1 = NULL, $arg2 = NULL) {
             // Save the compile starting time for debugging
             if(__DEBUG__==3) $start = getMicroTime();
@@ -67,9 +87,10 @@
 
             // extracts the supported lanuage when xml:lang is used
             if(count($matches[1]) && $supported_lang = array_unique($matches[1])) {
+				$tmpLangList = array_flip($supported_lang);
                 // if lang of the first log-in user doesn't exist, apply en by default if exists. Otherwise apply the first lang.
-                if(!in_array($this->lang, $supported_lang)) {
-                    if(in_array('en', $supported_lang)) {
+                if(!isset($tmpLangList[$this->lang])) {
+                    if(isset($tmpLangList['en'])) {
                         $this->lang = 'en';
                     } else {
                         $this->lang = array_shift($supported_lang);
@@ -99,12 +120,13 @@
         }
 
 
-       /**
-        * @brief start element handler.
-        * @param[in] $parse an instance of parser
-        * @param[in] $node_name a name of node
-        * @param[in] $attrs attributes to be set
-        */
+		/**
+		* Start element handler.
+		* @param resource $parse an instance of parser
+		* @param string $node_name a name of node
+		* @param array $attrs attributes to be set
+		* @return array
+		*/
         function _tagOpen($parser, $node_name, $attrs) {
 	    $obj = new Xml_Node_();
             $obj->node_name = strtolower($node_name);
@@ -114,23 +136,24 @@
         }
 
 
-       /**
-        * @brief character data handler
-        *  variable in the last element of this->output
-        * @param[in] $parse an instance of parser
-        * @param[in] $body a data to be added
-        * @remark the first parameter, $parser ought to be remove since it is not used.
-        */
+		/**
+		* Character data handler
+		* Variable in the last element of this->output
+		* @param resource $parse an instance of parser
+		* @param string $body a data to be added
+		* @return void
+		*/
         function _tagBody($parser, $body) {
             //if(!trim($body)) return;
             $this->output[count($this->output)-1]->body .= $body;
         }
 
-       /**
-        * @brief end element handler
-        * @param[in] $parse an instance of parser
-        * @param[in] $node_name name of xml node
-        */
+		/**
+		* End element handler
+		* @param resource $parse an instance of parser
+		* @param string $node_name name of xml node
+		* @return void
+		*/
         function _tagClosed($parser, $node_name) {
             $node_name = strtolower($node_name);
             $cur_obj = array_pop($this->output);
@@ -155,10 +178,11 @@
             }
         }
 
-        /**
-        * @brief method to transfer values in an array to a data object       
-        * @param[in] $arr data array 
-        **/
+		/**
+		* Method to transfer values in an array to a data object       
+		* @param array $arr data array 
+		* @return Xml_Node_ object
+		**/
         function _arrToAttrsObj($arr) {
 	    $output = new Xml_Node_();
             foreach($arr as $key => $val) {

classes/xml/XmlQueryParser.150.class.php

@@ -1,14 +1,4 @@
 <?php
-    /**
-     * @class NewXmlQueryParser
-     * @author NHN (developers@xpressengine.com)
-     * @brief case to parse XE xml query
-     * @version 0.1
-     *
-     * @todo need to support extend query such as subquery, union
-     * @todo include info about column types for parsing user input
-     **/
-
     if(!defined('__XE_LOADED_XML_CLASS__')){
         define('__XE_LOADED_XML_CLASS__', 1);
 
@@ -21,6 +11,7 @@
 	require(_XE_PATH_.'classes/xml/xmlquery/tags/column/ColumnTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/SelectColumnTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/InsertColumnTag.class.php');
+		require(_XE_PATH_.'classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/UpdateColumnTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php');
@@ -43,12 +34,27 @@
         require(_XE_PATH_.'classes/xml/xmlquery/queryargument/DefaultValue.class.php');
     }
 
-
+	/**
+	 * New XmlQueryParser class
+	 * @author NHN (developers@xpressengine.com)
+	 * @brief case to parse XE xml query
+	 * @version 0.1
+	 *
+	 * @todo need to support extend query such as subquery, union
+	 * @todo include info about column types for parsing user input
+	 */
     class XmlQueryParser extends XmlParser {
-
+		/**
+		 * constructor
+		 * @return void
+		 */
         function XmlQueryParser(){
     	}
 
+		/**
+		 * Create XmlQueryParser instance for Singleton
+		 * @return XmlQueryParser object
+		 */
     	function &getInstance(){
             static $theInstance = null;
             if(!isset($theInstance)){
@@ -57,6 +63,12 @@
             return $theInstance;
     	}
 
+		/**
+		 * 1. Read xml file<br />
+		 * 2. Check the action<br />
+		 * 3. Parsing and write a cache file<br />
+		 * @return QueryParser object
+		 */
         function &parse_xml_query($query_id, $xml_file, $cache_file)
 	{
             // Read xml file
@@ -73,11 +85,19 @@
 	    return $parser;
         }
 
+		/**
+		 * Query XML file parsing
+		 * @return QueryParser object
+		 */
         function parse($query_id = NULL, $xml_file = NULL, $cache_file = NULL)
 	{
-	    $query_parser = &$this->parse_xml_query($query_id, $xml_file, $cache_file);
+	    $this->parse_xml_query($query_id, $xml_file, $cache_file);
 	}
 
+		/**
+		 * Return XML file content
+		 * @return array|NULL Returns a resultant data object or NULL in case of error
+		 */
         function getXmlFileContent($xml_file){
 			$buff = FileHandler::readFile($xml_file);
             $xml_obj = parent::parse($buff);

classes/xml/XmlQueryParser.class.php

@@ -1,13 +1,12 @@
 <?php
     /**
-     * @class XmlQueryParser
-     * @author NHN (developers@xpressengine.com)
-     * @brief case to parse XE xml query 
-     * @version 0.1
+     * XmlQueryParser
+     * Case to parse XE xml query 
      *
+     * @author NHN (developers@xpressengine.com)
+     * @version 0.1
      * @todo need to support extend query such as subquery, union
-     **/
-
+     */
     class XmlQueryParser extends XmlParser {
 
         var $default_list = array();
@@ -15,13 +14,13 @@
         var $filter_list = array();
 
         /**
-         * @brief parse a xml query file and save the result as a new file specified by cache_file
-         * @param[in] $query_id name of query
-         * @param[in] $xml_file file path of a xml query file to be loaded
-         * @param[in] $cache_file file path of a cache file to store resultant php code after parsing xml query
-         * @return Nothing is requred.
-         * @remarks {there should be a way to report an error}
-         **/
+         * Parse a xml query file and save the result as a new file specified by cache_file
+         * {there should be a way to report an error}
+         * @param string $query_id name of query
+         * @param string $xml_file file path of a xml query file to be loaded
+         * @param string $cache_file file path of a cache file to store resultant php code after parsing xml query
+         * @return void Nothing is requred.
+         */
         function parse($query_id, $xml_file, $cache_file) {
             // query xml 파일을 찾아서 파싱, 결과가 없으면 return
             $buff = FileHandler::readFile($xml_file);
@@ -36,7 +35,8 @@
                 $id = $id_args[1];
             } elseif(count($id_args)==3) {
                 $target = $id_args[0];
-                if(!in_array($target, array('modules','addons','widgets'))) return;
+				$typeList = array('modules'=>1, 'addons'=>1, 'widgets'=>1);
+                if(!isset($typeList[$target])) return;
                 $module = $id_args[1];
                 $id = $id_args[2];
             }
@@ -53,6 +53,7 @@
 
             if(!$tables) return;
             if(!is_array($tables)) $tables = array($tables);
+			$joinList = array('left join'=>1, 'left outer join'=>1, 'right join'=>1, 'right outer join'=>1);
             foreach($tables as $key => $val) {
 
                 // 테이블과 alias의 이름을 구함
@@ -62,7 +63,7 @@
 
                 $output->tables[$alias] = $table_name;
 
-                if(in_array($val->attrs->type,array('left join','left outer join','right join','right outer join')) && count($val->conditions)){
+                if(isset($joinList[$val->attrs->type]) && count($val->conditions)){
                     $output->left_tables[$alias] =  $val->attrs->type;
                     $left_conditions[$alias] = $val->conditions;
                 }
@@ -260,11 +261,10 @@
         }
 
         /**
-        * @brief transfer given column information to object->columns
-        * @param[in] column information
-        * @result Returns $object 
+        * Transfer given column information to object->columns
+        * @param array $columns column information
+        * @return object
         */
-
         function _setColumn($columns){
             if(!$columns) {
                 $output->column[] = array("*" => "*");
@@ -296,9 +296,9 @@
         }
 
         /**
-        * @brief transfer condition information to $object->conditions
-        * @param[in] SQL condition information
-        * @result Returns $output
+        * Transfer condition information to $object->conditions
+        * @param object @condition SQL condition information
+        * @retrun object
         */
         function _setConditions($conditions){
             // 조건절 정리
@@ -339,9 +339,9 @@
         }
 
         /**
-        * @brief transfer condition information to $object->groups
-        * @param[in] SQL group information
-        * @result Returns $output
+        * Transfer condition information to $object->groups
+        * @param array $group_list SQL group information
+        * @return object
         */
         function _setGroup($group_list){
             // group 정리
@@ -361,9 +361,9 @@
 
 
         /**
-        * @brief transfer pagnation information to $output
-        * @param[in] $xml_obj xml object containing Navigation information
-        * @result Returns $output
+        * Transfer pagnation information to $output
+        * @param object $xml_obj xml object containing Navigation information
+        * @return object
         */
         function _setNavigation($xml_obj){
             $navigation = $xml_obj->query->navigation;
@@ -389,10 +389,10 @@
         }
 
         /**
-        * @brief retrieve column information from $output->colums to generate corresponding php code 
-        * @param[in] $column 
-        * @remarks the name of this method is misleading.
-        * @result Returns string buffer containing php code
+        * Retrieve column information from $output->colums to generate corresponding php code <br />
+        * The name of this method is misleading.
+        * @param array $columns
+        * @return string buffer containing php code
         */
         function _getColumn($columns){
             $buff = '';
@@ -439,10 +439,10 @@
         }
 
         /**
-        * @brief retrieve condition information from $output->condition to generate corresponding php code 
-        * @param[in] $conditions array containing Query conditions
-        * @remarks the name of this method is misleading.
-        * @return Returns string buffer containing php code
+        * Retrieve condition information from $output->condition to generate corresponding php code 
+        * The name of this method is misleading.
+        * @param array $conditions array containing Query conditions
+        * @return string buffer containing php code
         */
         function _getConditions($conditions){
             $buff = '';
@@ -472,21 +472,30 @@
             return $buff;
         }
 
+        /**
+        * Add argument to $this->args
+        * @param mixed $args_name argument value
+        * @return void
+        */
 		function addArguments($args_name)
 		{
 			$this->args[] = $args_name;
 		}
 		
+        /**
+        * Get argument from $this->args
+        * @return mixed
+        */
 		function getArguments()
 		{
 			return $this->args;
 		}
 
         /**
-        * @brief returns predefined default values correspoding to given parameters 
-        * @param[in] $name 
-        * @param[in] $value
-        * @return Returns a default value for specified field
+        * Returns predefined default values correspoding to given parameters 
+        * @param string $name 
+        * @param mixed $value
+        * @return mixed Returns a default value for specified field
         */
         function getDefault($name, $value) {
             $db_info = Context::getDBInfo ();

classes/xml/xmlquery/DBParser.class.php

@@ -1,9 +1,34 @@
 <?php
+	/**
+	 * DBParser class
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml/xmlquery
+	 * @version 0.1
+	 */
 	class DBParser {
+		/**
+		 * Character for escape target value on the left
+		 * @var string
+		 */
 		var $escape_char_left;
+		/**
+		 * Character for escape target value on the right
+		 * @var string
+		 */
 		var $escape_char_right;
+		/**
+		 * Table prefix string
+		 * @var string
+		 */
 		var $table_prefix;
 		
+		/**
+		 * constructor
+		 * @param string $escape_char_left
+		 * @param string $escape_char_right
+		 * @param string $table_prefix
+		 * @return void
+		 */
 		function DBParser($escape_char_left,  $escape_char_right = "", $table_prefix = "xe_"){
 			$this->escape_char_left = $escape_char_left;
 			if ($escape_char_right !== "")$this->escape_char_right = $escape_char_right;
@@ -11,33 +36,68 @@
 			$this->table_prefix = $table_prefix;
 		}
 		
+		/**
+		 * Get escape character
+		 * @param string $leftOrRight left or right
+		 * @return string
+		 */
 		function getEscapeChar($leftOrRight){
 			if ($leftOrRight === 'left')return $this->escape_char_left;
 			else return $this->escape_char_right;
 		}
 		
+		/**
+		 * escape the value
+		 * @param mixed $name
+		 * @return string
+		 */
 		function escape($name){
 			return $this->escape_char_left . $name . $this->escape_char_right;
 		}		
 		
+		/**
+		 * escape the string value
+		 * @param string $name
+		 * @return string
+		 */
 		function escapeString($name){
 			return "'".$this->escapeStringValue($name)."'";
 		}
 		
+		/**
+		 * escape the string value
+		 * @param string $value
+		 * @return string
+		 */
 		function escapeStringValue($value){
 			if($value == "*")	return $value;
 			if (is_string($value))	return $value = str_replace("'","''",$value);
 			return $value;
 		}
 		
+		/**
+		 * Return table full name
+		 * @param string $name table name without table prefix
+		 * @return string table full name with table prefix
+		 */
 		function parseTableName($name){
 			return $this->table_prefix . $name;
 		}
 		
+		/**
+		 * Return colmun name after escape
+		 * @param string $name column name before escape
+		 * @return string column name after escape
+		 */
 		function parseColumnName($name){
 			return $this->escapeColumn($name);
 		}
 		
+		/**
+		 * Escape column
+		 * @param string $column_name
+		 * @return string column name with db name
+		 */
 		function escapeColumn($column_name){
 			if($this->isUnqualifiedColumnName($column_name))
 				return $this->escape($column_name);
@@ -49,11 +109,21 @@
 			}
 		}
 
+		/**
+		 * Column name is suitable for use in checking
+		 * @param string $column_name
+		 * @return bool
+		 */
 		function isUnqualifiedColumnName($column_name){
 			if(strpos($column_name,'.')===false && strpos($column_name,'(')===false) return true;
 			return false;	
 		}
 		
+		/**
+		 * Column name is suitable for use in checking
+		 * @param string $column_name
+		 * @return bool
+		 */
 		function isQualifiedColumnName($column_name){
 			if(strpos($column_name,'.')!==false && strpos($column_name,'(')===false) return true;
 			return false;		
@@ -84,6 +154,11 @@
 			return implode('', $functions);				
 		}
 		
+		/*
+		 * Checks argument is asterisk
+		 * @param string $column_name
+		 * @return bool
+		 */
 		function isStar($column_name){
 			if(substr($column_name,-1) == '*') return true;
 			return false;
@@ -92,12 +167,19 @@
 		/*
 		 * Checks to see if expression is an aggregate star function
 		 * like count(*)
+		 * @param string $column_name
+		 * @return bool
 		 */
 		function isStarFunction($column_name){
 			if(strpos($column_name, "(*)")!==false) return true;
 			return false;
 		}
 		
+		/*
+		 * Return column name after escape
+		 * @param string $column_name
+		 * @return string
+		 */
 		function escapeColumnExpression($column_name){
 			if($this->isStar($column_name)) return $column_name;
 			if($this->isStarFunction($column_name)){
@@ -108,4 +190,4 @@
 		}				
 	}
 	
-	
+	

classes/xml/xmlquery/QueryParser.class.php

@@ -1,14 +1,34 @@
 <?php
-
+	/**
+	 * QueryParser class
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml/xmlquery
+	 * @version 0.1
+	 */
     class QueryParser {
-
+		/**
+		 * QueryTag object
+		 * @var QueryTag object
+		 */
         var $queryTag;
 
+		/**
+		 * constructor
+		 * @param object $query
+		 * @param bool $isSubQuery
+		 * @return void
+		 */
         function QueryParser($query = NULL, $isSubQuery = false) {
 	    if ($query)
 		$this->queryTag = new QueryTag($query, $isSubQuery);
         }
 
+		/**
+		 * Return table information
+		 * @param object $query_id
+		 * @param bool $table_name
+		 * @return array
+		 */
         function getTableInfo($query_id, $table_name) {
             $column_type = array();
 			$module = '';
@@ -20,7 +40,8 @@
                 $id = $id_args[1];
             } elseif (count($id_args) == 3) {
                 $target = $id_args[0];
-                if (!in_array($target, array('modules', 'addons', 'widgets')))
+				$targetList = array('modules'=>1, 'addons'=>1, 'widgets'=>1);
+                if (!isset($targetList[$target]))
                     return;
                 $module = $id_args[1];
                 $id = $id_args[2];
@@ -56,6 +77,10 @@
             return $column_type;
         }
 
+		/**
+		 * Change code string from queryTag object
+		 * @return string
+		 */
         function toString() {
             return "<?php if(!defined('__ZBXE__')) exit();\n"
             . $this->queryTag->toString()

classes/xml/xmlquery/argument/Argument.class.php

@@ -1,17 +1,57 @@
 <?php
-
+/**
+ * Argument class
+ * @author NHN (developers@xpressengine.com)
+ * @package /classes/xml/xmlquery/argument
+ * @version 0.1
+ */
 class Argument {
-
+	/**
+	 * argument value
+	 * @var mixed
+	 */
 	var $value;
+	/**
+	 * argument name
+	 * @var string
+	 */
 	var $name;
+	/**
+	 * argument type
+	 * @var string
+	 */
 	var $type;
+	/**
+	 * result of argument type check
+	 * @var bool
+	 */
 	var $isValid;
+	/**
+	 * error message
+	 * @var Object
+	 */
 	var $errorMessage;
+	/**
+	 * column operation
+	 */
 	var $column_operation;
-	
-	var $uses_default_value; // Check if arg value is user submnitted or default
-	var $_value; // Caches escaped and toString value so that the parsing won't happen multiple times;
+	/**
+	 * Check if arg value is user submnitted or default
+	 * @var mixed
+	 */
+	var $uses_default_value;
+	/**
+	 * Caches escaped and toString value so that the parsing won't happen multiple times
+	 * @var mixed
+	 */
+	var $_value; // 
 
+	/**
+	 * constructor
+	 * @param string $name
+	 * @param mixed $value
+	 * @return void
+	 */
 	function Argument($name, $value) {
 		$this->value = $value;
 		$this->name = $name;
@@ -60,6 +100,11 @@ class Argument {
 		return $this->value;
 	}
 
+	/**
+	 * mixed value to string
+	 * @param mixed $value
+	 * @return string
+	 */
 	function toString($value) {
 		if (is_array($value)) {
 			if (count($value) === 0)
@@ -71,6 +116,11 @@ class Argument {
 		return $value;
 	}
 
+	/**
+	 * escape value
+	 * @param mixed $value
+	 * @return mixed
+	 */
 	function escapeValue($value) {
 		$column_type = $this->getType();
 		if ($column_type == 'column_name') {
@@ -80,7 +130,8 @@ class Argument {
 		if (!isset($value))
 			return null;
 
-		if (in_array($column_type, array('date', 'varchar', 'char', 'text', 'bigtext'))) {
+		$columnTypeList = array('date'=>1, 'varchar'=>1, 'char'=>1, 'text'=>1, 'bigtext'=>1);
+		if (isset($columnTypeList[$column_type])) {
 			if (!is_array($value))
 				$value = $this->_escapeStringValue($value);
 			else {
@@ -106,6 +157,11 @@ class Argument {
 		return $value;
 	}
 
+	/**
+	 * escape string value
+	 * @param string $value
+	 * @return string
+	 */
 	function _escapeStringValue($value) {
 		$db = &DB::getInstance();
 		$value = $db->addQuotes($value);
@@ -135,6 +191,11 @@ class Argument {
 		}
 	}
 
+	/**
+	 * check filter by filter type
+	 * @param string $filter_type
+	 * @return void
+	 */
 	function checkFilter($filter_type) {
 		if (isset($this->value) && $this->value != '') {
 			global $lang;

classes/xml/xmlquery/argument/ConditionArgument.class.php

@@ -1,11 +1,28 @@
 <?php
-
+	/**
+	 * ConditionArgument class
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml/xmlquery/argument
+	 * @version 0.1
+	 */
 	class ConditionArgument extends Argument {
+		/**
+		 * Operator keyword. for example 'in', 'notint', 'between'
+		 * @var string
+		 */
 		var $operation;
 
 
+		/**
+		 * constructor
+		 * @param string $name
+		 * @param mixed $value
+		 * @param string $operation
+		 * @return void
+		 */
 		function ConditionArgument($name, $value, $operation){
-			if(isset($value) && in_array($operation, array('in', 'notin', 'between')) && !is_array($value) && $value != ''){
+			$operationList = array('in'=>1, 'notin'=>1, 'not_in'=>1, 'between'=>1);
+			if(isset($value) && isset($operationList[$operation]) && !is_array($value) && $value != ''){
 				$value = str_replace(' ', '', $value);
 				$value = str_replace('\'', '', $value);
 				$value = explode(',', $value);
@@ -14,6 +31,10 @@
 			$this->operation = $operation;
 		}
 
+		/**
+		 * create condition value. set $this->value
+		 * @return void
+		 */
 		function createConditionValue(){
 			if(!isset($this->value)) return;
 
@@ -57,22 +78,23 @@
                                     if(!is_array($value)) $this->value = array($value);
                                 break;
                             case 'notin':
+							case 'not_in':
                                     if(!is_array($value)) $this->value = array($value);
                                 break;
                         }
 		}
 
 		/**
-			* Since ConditionArgument is used in WHERE clause,
-			* where the argument value is compared to a table column,
-			* it is assumed that all arguments have type. There are cases though
-			* where the column does not have any type - if it was removed from
-			* the XML schema for example - see the is_secret column in xe_documents table.
-			* In this case, the column type is retrieved according to argument
-			* value type (using the PHP function is_numeric).
-			*
-			* @return type string
-			*/
+		* Since ConditionArgument is used in WHERE clause,
+		* where the argument value is compared to a table column,
+		* it is assumed that all arguments have type. There are cases though
+		* where the column does not have any type - if it was removed from
+		* the XML schema for example - see the is_secret column in xe_documents table.
+		* In this case, the column type is retrieved according to argument
+		* value type (using the PHP function is_numeric).
+		*
+		* @return type string
+		*/
 		function getType(){
 			if($this->type)
 			{				

classes/xml/xmlquery/argument/SortArgument.class.php

@@ -1,5 +1,10 @@
 <?php
-
+	/**
+	 * SortArgument class
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml/xmlquery/argument
+	 * @version 0.1
+	 */
 	class SortArgument extends Argument {
 
             function getValue(){

classes/xml/xmlquery/queryargument/DefaultValue.class.php

@@ -1,15 +1,53 @@
 <?php
-
+	/**
+	 * DefaultValue class
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml/xmlquery/queryargument
+	 * @version 0.1
+	 */
 	class DefaultValue {
+		/**
+		 * Column name
+		 * @var string
+		 */
 		var $column_name;
+		/**
+		 * Value
+		 * @var mixed
+		 */
 		var $value;
+		/**
+		 * sequnence status
+		 * @var bool
+		 */
 		var $is_sequence = false;
+		/**
+		 * operation status
+		 * @var bool
+		 */
                 var $is_operation = false;
+		/**
+		 * operation
+		 * @var string
+		 */
                 var $operation = '';
+				/**
+				 * Checks if value is plain string or name of XE function (ipaddress, plus, etc).
+				 * @var bool
+				 */
+                var $_is_string = false;
+				/**
+				 * Checks if value is string resulted from evaluating a piece of PHP code (see $_SERVER[REMOTE_ADDR])
+				 * @var bool
+				 */
+                var $_is_string_from_function = false;
 
-                var $_is_string = false; ///< Checks if value is plain string or name of XE function (ipaddress, plus, etc).
-                var $_is_string_from_function = false; //< Checks if value is string resulted from evaluating a piece of PHP code (see $_SERVER[REMOTE_ADDR])
-
+		/**
+		 * constructor
+		 * @param string $column_name column name
+		 * @param mixed $value value
+		 * @return void
+		 */
 		function DefaultValue($column_name, $value){
                         $dbParser = &DB::getParser();
 			$this->column_name = $dbParser->parseColumnName($column_name);

classes/xml/xmlquery/queryargument/QueryArgument.class.php

@@ -1,15 +1,53 @@
 <?php
-
+/**
+ * QueryArgument class
+ * @author NHN (developers@xpressengine.com)
+ * @package /classes/xml/xmlquery/queryargument
+ * @version 0.1
+ */
 class QueryArgument {
-
+	/**
+	 * Argument name
+	 * @var string
+	 */
 	var $argument_name;
+	/**
+	 * Variable name
+	 * @var string
+	 */
 	var $variable_name;
+	/**
+	 * Argument validator
+	 * @var QueryArgumentValidator
+	 */
 	var $argument_validator;
+	/**
+	 * Column name
+	 * @var string
+	 */
 	var $column_name;
+	/**
+	 * Table name
+	 * @var string
+	 */
 	var $table_name;
+	/**
+	 * Operation
+	 * @var string
+	 */
 	var $operation;
+	/**
+	 * Ignore value
+	 * @var bool
+	 */
 	var $ignore_value;
 
+	/**
+	 * constructor
+	 * @param object $tag tag object
+	 * @param bool $ignore_value
+	 * @return void
+	 */
 	function QueryArgument($tag, $ignore_value = false) {
 		static $number_of_arguments = 0;
 
@@ -64,6 +102,10 @@ class QueryArgument {
 		return false;
 	}
 
+	/**
+	 * Change QueryArgument object to string
+	 * @return string
+	 */
 	function toString() {
 		if ($this->isConditionArgument()) {
 			// Instantiation

classes/xml/xmlquery/queryargument/SortQueryArgument.class.php

@@ -1,6 +1,15 @@
 <?php
-
+	/**
+	 * SortQueryArgument class
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml/xmlquery/queryargument
+	 * @version 0.1
+	 */
 	class SortQueryArgument extends QueryArgument{
+			/**
+			 * Change SortQueryArgument object to string
+			 * @return string
+			 */
             function toString(){
                 $arg = sprintf("\n" . '${\'%s_argument\'} = new SortArgument(\'%s\', %s);' . "\n"
                                         , $this->argument_name

classes/xml/xmlquery/queryargument/validator/QueryArgumentValidator.class.php

@@ -1,16 +1,56 @@
 <?php
+	/**
+	 * QueryArgumentValidator class
+	 * @author NHN (developers@xpressengine.com)
+	 * @package /classes/xml/xmlquery/queryargument/validator
+	 * @version 0.1
+	 */
 	class QueryArgumentValidator {
+		/**
+		 * Argument name
+		 * @var string
+		 */
 		var $argument_name;
+		/**
+		 * Default value
+		 * @var string
+		 */
 		var $default_value;
+		/**
+		 * Notnull status setting, if value should be not null, this value is 'notnull'
+		 * @var string
+		 */
 		var $notnull;
+		/**
+		 * Filter for value type, for example number
+		 * @var string
+		 */
 		var $filter;
+		/**
+		 * Minimum length for value
+		 * @var int
+		 */
 		var $min_length;
+		/**
+		 * Maximum length for value
+		 * @var int
+		 */
 		var $max_length;
 
 		var $validator_string;
 
+		/**
+		 * Query argument for validate
+		 * @var QueryArgument object
+		 */
 		var $argument;
 
+		/**
+		 * constructor
+		 * @param Xml_Node_ $tag tag object by Query xml file parse
+		 * @param QueryArgument $argument
+		 * @return void
+		 */
 		function QueryArgumentValidator($tag, $argument){
 			$this->argument = $argument;
 			$this->argument_name = $this->argument->getArgumentName();

classes/xml/xmlquery/tags/column/ColumnTag.class.php

@@ -1,19 +1,28 @@
 <?php
-    /**
-     * @class ColumnTag
-     * @author Arnia Software
-     * @brief Models the <column> tag inside an XML Query file
-     * 
-     * Since the <column> tag supports different attributes depending on
-     * the type of query (select, update, insert, delete) this is only
-     * the base class for the classes that will model each type <column> tag. 
+	/**
+	 * ColumnTag class
+	 * Models the <column> tag inside an XML Query file
+	 * Since the <column> tag supports different attributes depending on
+	 * the type of query (select, update, insert, delete) this is only
+	 * the base class for the classes that will model each type <column> tag. 
 	 *
-     **/
-
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
 	class ColumnTag {
+		/**
+		 * Column name
+		 * @var string
+		 */
 		var $name;
 		
+		/**
+		 * constructor
+		 * @param string $name
+		 * @return void
+		 */
 		function ColumnTag($name){	
 			$this->name = $name;
 		}
-	}
+	}

classes/xml/xmlquery/tags/column/InsertColumnTag.class.php

@@ -1,15 +1,24 @@
 <?php
-    /**
-     * @class InsertColumnTag
-     * @author Arnia Software
-     * @brief Models the <column> tag inside an XML Query file whose action is 'insert'
-     *
-     **/
-
-
+	/**
+	 * InsertColumnTag
+	 * Models the <column> tag inside an XML Query file whose action is 'insert'
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
 	class InsertColumnTag extends ColumnTag {
+		/**
+		 * argument
+		 * @var QueryArgument object
+		 */
 		var $argument;
 
+		/**
+		 * constructor
+		 * @param object $column
+		 * @return void
+		 */
 		function InsertColumnTag($column) {
 			parent::ColumnTag($column->attrs->name);
 			$dbParser = DB::getParser();

classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php

@@ -0,0 +1,31 @@
+<?php
+	/**
+	 * InsertColumnTagWithoutArgument
+	 * Models the <column> tag inside an XML Query file whose action is 'insert-select'
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
+	class InsertColumnTagWithoutArgument extends ColumnTag {
+		/**
+		 * constructor
+		 * @param object $column
+		 * @return void
+		 */
+		function InsertColumnTagWithoutArgument($column) {
+			parent::ColumnTag($column->attrs->name);
+			$dbParser = DB::getParser();
+			$this->name = $dbParser->parseColumnName($this->name);
+		}
+
+		function getExpressionString(){
+			return sprintf('new Expression(\'%s\')', $this->name);
+		}
+
+		function getArgument(){
+			return null;
+		}
+
+	}
+?>

classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php

@@ -1,14 +1,24 @@
 <?php
-    /**
-     * @class InsertColumnsTag
-     * @author Arnia Software
-     * @brief Models the <column> tag inside an XML Query file whose action is 'insert'
-     *
-     **/
-
+	/**
+	 * InsertColumnsTag class
+	 * Models the <column> tag inside an XML Query file whose action is 'insert'
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
 	class InsertColumnsTag{
+		/**
+		 * Column list
+		 * @var array value is InsertColumnTag object
+		 */
 		var $columns;
 
+		/**
+		 * constructor
+		 * @param array|string $xml_columns
+		 * @return void
+		 */
 		function InsertColumnsTag($xml_columns) {
 			$this->columns = array();
 
@@ -19,10 +29,15 @@
 
 			foreach($xml_columns as $column){
 				if($column->name === 'query') $this->columns[] = new QueryTag($column, true);
+				else if(!isset($column->attrs->var) && !isset($column->attrs->default)) $this->columns[] = new InsertColumnTagWithoutArgument($column);
 				else $this->columns[] = new InsertColumnTag($column);
 			}
 		}
 
+		/**
+		 * InsertColumnTag object to string
+		 * @return string
+		 */
 		function toString(){
 			$output_columns = 'array(' . PHP_EOL;
 			foreach($this->columns as $column){
@@ -33,6 +48,10 @@
 			return $output_columns;
 		}
 
+		/**
+		 * Return argument list
+		 * @return array
+		 */
 		function getArguments(){
 			$arguments = array();
 			foreach($this->columns as $column){
@@ -43,4 +62,4 @@
 
 	}
 
-?>
+?>

classes/xml/xmlquery/tags/column/SelectColumnTag.class.php

@@ -1,16 +1,29 @@
 <?php
-
-    /**
-     * @class SelectColumnTag
-     * @author Arnia Software
-     * @brief Models the <column> tag inside an XML Query file whose action is 'select'
-     *
-     **/
-
+	/**
+	 * SelectColumnTag
+	 * Models the <column> tag inside an XML Query file whose action is 'select'
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
 	class SelectColumnTag extends ColumnTag{
+		/**
+		 * alias
+		 * @var string
+		 */
 		var $alias;
+		/**
+		 * click count status
+		 * @var bool
+		 */
 		var $click_count;
 		
+		/**
+		 * constructor
+		 * @param string|object $column
+		 * @return void
+		 */
 		function SelectColumnTag($column){
 			if ($column == "*" || $column->attrs->name == '*')
 			{
@@ -32,6 +45,8 @@
 			if($this->name == '*') return "new StarExpression()";
 			if($this->click_count)
 				return sprintf('new ClickCountExpression(%s, %s, $args->%s)', $this->name, $this->alias,$this->click_count);
+			if(strpos($this->name, '$') === 0)
+					return sprintf('new SelectExpression($args->%s)', substr($this->name, 1));
 			$dbParser = DB::getParser();
 			return sprintf('new SelectExpression(\'%s\'%s)', $this->name, $this->alias ? ', \''.$dbParser->escape($this->alias) .'\'': '');	
 		}

classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php

@@ -1,8 +1,23 @@
 <?php
-
+	/**
+	 * SelectColumnTag class
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
 	class SelectColumnsTag {
+		/**
+		 * Column list
+		 * @var array value is SelectColumnTag object
+		 */
 		var $columns;
 
+		/**
+		 * constructor
+		 * @param Xml_Node_ $xml_columns
+		 * @return void
+		 */
 		function SelectColumnsTag($xml_columns_tag){
 			if (!$xml_columns_tag)
 			    $xml_columns_tag = new Xml_Node_();
@@ -35,6 +50,10 @@
 			}
 		}
 
+		/**
+		 * SelectColumnTag object to string
+		 * @return string
+		 */
 		function toString(){
 			$output_columns = 'array(' . PHP_EOL;
 			foreach($this->columns as $column){
@@ -48,6 +67,10 @@
 			return $output_columns;
 		}
 
+		/**
+		 * Return argument list
+		 * @return array
+		 */
 		function getArguments(){
 			$arguments = array();
 			foreach($this->columns as $column){

classes/xml/xmlquery/tags/column/UpdateColumnTag.class.php

@@ -1,18 +1,29 @@
 <?php
-
-    /**
-     * @class UpdateColumnTag
-     * @author Arnia Software
-     * @brief Models the <column> tag inside an XML Query file whose action is 'update'
-     *
-     **/
-
-
-
+	/**
+	 * UpdateColumnTag
+	 * Models the <column> tag inside an XML Query file whose action is 'update'
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
 	class UpdateColumnTag extends ColumnTag {
+		/**
+		 * argument
+		 * @var QueryArgument object
+		 */
 		var $argument;
+		/**
+		 * default value
+		 * @var string
+		 */
                 var $default_value;
 
+		/**
+		 * constructor
+		 * @param object $column
+		 * @return void
+		 */
 		function UpdateColumnTag($column) {
 			parent::ColumnTag($column->attrs->name);
 			$dbParser = DB::getParser();

classes/xml/xmlquery/tags/column/UpdateColumnsTag.class.php

@@ -1,15 +1,24 @@
 <?php
-
-    /**
-     * @class UpdateColumnsTag
-     * @author Arnia Software
-     * @brief Models the <column> tag inside an XML Query file whose action is 'update'
-     *
-     **/
-
+	/**
+	 * UpdateColumnsTag
+	 * Models the <column> tag inside an XML Query file whose action is 'update'
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/column
+	 * @version 0.1
+	 */
 	class UpdateColumnsTag{
+		/**
+		 * Column list
+		 * @var array value is UpdateColumnTag object
+		 */
 		var $columns;
 
+		/**
+		 * constructor
+		 * @param array|string $xml_columns
+		 * @return void
+		 */
 		function UpdateColumnsTag($xml_columns) {
 			$this->columns = array();
 
@@ -21,6 +30,10 @@
 			}
 		}
 
+		/**
+		 * UpdateColumnTag object to string
+		 * @return string
+		 */
 		function toString(){
 			$output_columns = 'array(' . PHP_EOL;
 			foreach($this->columns as $column){
@@ -31,6 +44,10 @@
 			return $output_columns;
 		}
 
+		/**
+		 * Return argument list
+		 * @return array
+		 */
 		function getArguments(){
 			$arguments = array();
 			foreach($this->columns as $column){
@@ -41,4 +58,4 @@
 
 	}
 
-?>
+?>

classes/xml/xmlquery/tags/condition/ConditionGroupTag.class.php

@@ -1,9 +1,29 @@
 <?php
-
+	/**
+	 * ConditionGroupTag class
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/condition
+	 * @version 0.1
+	 */
 	class ConditionGroupTag {
+		/**
+		 * condition list
+		 * @var string|array value is ConditionTag object
+		 */
 		var $conditions;
+		/**
+		 * pipe
+		 * @var string
+		 */
 		var $pipe;
 
+		/**
+		 * constructor
+		 * @param string|array $conditions
+		 * @param string $pipe
+		 * @return void
+		 */
 		function ConditionGroupTag($conditions, $pipe = ""){
 			$this->pipe = $pipe;
 
@@ -19,6 +39,10 @@
 			return $this->conditions;
 		}
 
+		/**
+		 * ConditionTag object to string
+		 * @return string
+		 */
 		function getConditionGroupString(){
 			$conditions_string = 'array('.PHP_EOL;
 			foreach($this->conditions as $condition){
@@ -39,4 +63,4 @@
 		}
 
 	}
-?>
+?>

classes/xml/xmlquery/tags/condition/ConditionTag.class.php

@@ -1,22 +1,54 @@
 <?php
-
 	/**
-	 * @class ConditionTag
-	 * @author Corina
-	 * @brief Models the <condition> tag inside an XML Query file. Base class.
+	 * ConditionTag
+	 * Models the <condition> tag inside an XML Query file. Base class.
 	 *
+	 * @author Corina
+	 * @package /classes/xml/xmlquery/tags/condition
+	 * @version 0.1
 	 */
-
 	class ConditionTag {
+		/**
+		 * operation for example 'in', 'between', 'not in'...
+		 * @var string
+		 */
 		var $operation;
+		/**
+		 * Column name
+		 * @var string
+		 */
 		var $column_name;
-
+		/**
+		 * Pipe
+		 * @var string
+		 */
 		var $pipe;
+		/**
+		 * Argument name
+		 * @var string
+		 */
 		var $argument_name;
+		/**
+		 * QueryArgument object
+		 * @var QueryArgument
+		 */
 		var $argument;
+		/**
+		 * Default column
+		 * @var string
+		 */
 		var $default_column;
-
+		/**
+		 * QueryTag object
+		 * @var QueryTag
+		 */
                 var $query;
+
+		/**
+		 * constructor
+		 * @param object $condition
+		 * @return void
+		 */
 		function ConditionTag($condition){
 			$this->operation = $condition->attrs->operation;
 			$this->pipe = $condition->attrs->pipe;
@@ -38,7 +70,8 @@
 			}
 			else {
                             if(isset($condition->attrs->default)){
-                              if(in_array($this->operation, array('in', 'between', 'not in'))){
+								$operationList = array('in'=>1, 'between'=>1, 'not in'=>1);
+                              if(isset($operationList[$this->operation])){
                                     $default_value = $condition->attrs->default;
                                     if(strpos($default_value, "'") !== false)
                                         $default_value = "\"" . $default_value . "\"";

classes/xml/xmlquery/tags/condition/ConditionsTag.class.php

@@ -1,7 +1,23 @@
 <?php
+	/**
+	 * ConditionsTag class
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/condition
+	 * @version 0.1
+	 */
 	class ConditionsTag {
+		/**
+		 * ConditionGroupTag list
+		 * @var array value is ConditionGroupTag object
+		 */
 		var $condition_groups;
 
+		/**
+		 * constructor
+		 * @param object $xml_conditions
+		 * @return void
+		 */
 		function ConditionsTag($xml_conditions){
 			$this->condition_groups = array();
 			if (!$xml_conditions)
@@ -29,6 +45,10 @@
 			}
 		}
 
+		/**
+		 * ConditionGroupTag object to string
+		 * @return string
+		 */
 		function toString(){
 			$output_conditions = 'array(' . PHP_EOL;
 			foreach($this->condition_groups as $condition){

classes/xml/xmlquery/tags/condition/JoinConditionsTag.class.php

@@ -1,11 +1,21 @@
 <?php 
-
+	/**
+	 * JoinConditionsTag class
+	 *
+	 * @author Corina
+	 * @package /classes/xml/xmlquery/tags/condition
+	 * @version 0.1
+	 */
 	class JoinConditionsTag extends ConditionsTag {
-		
+		/**
+		 * constructor
+		 * @param object $xml_conditions
+		 * @return void
+		 */
 		function JoinConditionsTag($xml_conditions){
 			parent::ConditionsTag($xml_conditions);
 			$this->condition_groups[0]->conditions[0]->setPipe("");
 		}
 	}
 
-?>
+?>

classes/xml/xmlquery/tags/group/GroupsTag.class.php

@@ -1,8 +1,23 @@
 <?php 
-
+	/**
+	 * GroupsTag class
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/group
+	 * @version 0.1
+	 */
 	class GroupsTag {
+		/**
+		 * column list
+		 * @var array
+		 */
 		var $groups;
 		
+		/**
+		 * constructor
+		 * @param array|string $xml_groups
+		 * @return void
+		 */
 		function GroupsTag($xml_groups){			
 			$this->groups = array();
 			

classes/xml/xmlquery/tags/navigation/IndexTag.class.php

@@ -1,12 +1,43 @@
 <?php
-
+	/**
+	 * IndexTag class
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/navigation
+	 * @version 0.1
+	 */
 	class IndexTag {
+		/**
+		 * argument name
+		 * @var string
+		 */
 		var $argument_name;
+		/**
+		 * QueryArgument object
+		 * @var QueryArgument
+		 */
 		var $argument;
+		/**
+		 * Default value
+		 * @var string
+		 */
 		var $default;
+		/**
+		 * Sort order
+		 * @var string
+		 */
 		var $sort_order;
+		/**
+		 * Sort order argument
+		 * @var SortQueryArgument object
+		 */
 		var $sort_order_argument;
 
+		/**
+		 * constructor
+		 * @param object $index
+		 * @return void
+		 */
 		function IndexTag($index){
 			$this->argument_name = $index->attrs->var;
 
@@ -18,7 +49,8 @@
 
                         // Sort order - asc / desc
 			$this->sort_order = $index->attrs->order;
-			if(!in_array($this->sort_order, array("asc", "desc"))){
+			$sortList = array('asc'=>1, 'desc'=>1);
+			if(!isset($sortList[$this->sort_order])){
 				$arg = new Xml_Node_();
 				$arg->attrs = new Xml_Node_();
 				$arg->attrs->var = $this->sort_order;

classes/xml/xmlquery/tags/navigation/LimitTag.class.php

@@ -1,11 +1,38 @@
 <?php
-
+	/**
+	 * LimitTag class
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/navigation
+	 * @version 0.1
+	 */
 	class LimitTag {
+		/**
+		 * Value is relate to limit query
+		 * @var array
+		 */
 		var $arguments;
+		/**
+		 * QueryArgument object
+		 * @var QueryArgument
+		 */
 		var $page;
+		/**
+		 * QueryArgument object
+		 * @var QueryArgument
+		 */
 		var $page_count;
+		/**
+		 * QueryArgument object
+		 * @var QueryArgument
+		 */
 		var $list_count;
 
+		/**
+		 * constructor
+		 * @param object $index
+		 * @return void
+		 */
 		function LimitTag($index){
 			if($index->page && $index->page->attrs && $index->page_count && $index->page_count->attrs){
 				$this->page = new QueryArgument($index->page);

classes/xml/xmlquery/tags/navigation/NavigationTag.class.php

@@ -1,11 +1,43 @@
 <?php
+	/**
+	 * NavigationTag class
+	 *
+	 * @author Arnia Software
+	 * @package /classes/xml/xmlquery/tags/navigation
+	 * @version 0.1
+	 */
 	class NavigationTag {
+		/**
+		 * Order
+		 * @var array
+		 */
 		var $order;
+		/**
+		 * List count
+		 * @var int
+		 */
 		var $list_count;
+		/**
+		 * Page count
+		 * @var int
+		 */
 		var $page_count;
+		/**
+		 * Page
+		 * @var int
+		 */
 		var $page;
+		/**
+		 * Limit
+		 * @var LimitTag object
+		 */
 		var $limit;
 
+		/**
+		 * constructor
+		 * @param object $xml_navigation
+		 * @return void
+		 */
 		function NavigationTag($xml_navigation){
 			$this->order = array();
             if($xml_navigation) {
@@ -31,6 +63,10 @@
             }
 		}
 
+		/**
+		 * NavigationTag object to string
+		 * @return string
+		 */
 		function getOrderByString(){
 			$output = 'array(' . PHP_EOL;
 			foreach($this->order as $order){
@@ -41,6 +77,10 @@
 			return $output;
 		}
 
+		/**
+		 * LimitTag object to string
+		 * @return string
+		 */
 		function getLimitString(){
 			if ($this->limit)	return $this->limit->toString();
 			else return "";

classes/xml/xmlquery/tags/query/QueryTag.class.php

@@ -1,25 +1,104 @@
 <?php
-
+/**
+ * QueryTag class
+ *
+ * @author Arnia Software
+ * @package /classes/xml/xmlquery/tags/query
+ * @version 0.1
+ */
 class QueryTag {
-
+	/**
+	 * Action for example, 'select', 'insert', 'delete'...
+	 * @var string
+	 */
 	var $action;
+	/**
+	 * Query id
+	 * @var string
+	 */
 	var $query_id;
+	/**
+	 * Priority
+	 * @var string
+	 */
 	var $priority;
+	/**
+	 * column type list
+	 * @var array
+	 */
 	var $column_type;
+	/**
+	 * Query stdClass object
+	 * @var object
+	 */
 	var $query;
-	//xml tags
+	/**
+	 * Columns in xml tags
+	 * @var object
+	 */
 	var $columns;
+	/**
+	 * Tables in xml tags
+	 * @var object
+	 */
 	var $tables;
+	/**
+	 * Subquery in xml tags
+	 * @var object
+	 */
+	var $subquery;
+	/**
+	 * Conditions in xml tags
+	 * @var object
+	 */
 	var $conditions;
+	/**
+	 * Groups in xml tags
+	 * @var object
+	 */
 	var $groups;
+	/**
+	 * Navigation in xml tags
+	 * @var object
+	 */
 	var $navigation;
+	/**
+	 * Arguments in xml tags
+	 * @var object
+	 */
 	var $arguments;
+	/**
+	 * PreBuff
+	 * @var string
+	 */
 	var $preBuff;
+	/**
+	 * Buff
+	 * @var string
+	 */
 	var $buff;
+	/**
+	 * Subquery status
+	 * @var bool
+	 */
 	var $isSubQuery;
+	/**
+	 * Join type
+	 * @var string
+	 */
 	var $join_type;
+	/**
+	 * alias
+	 * @var string
+	 */
 	var $alias;
 
+	/**
+	 * constructor
+	 * @param object $query
+	 * @param bool $isSubQuery
+	 * @return void
+	 */
 	function QueryTag($query, $isSubQuery = false) {
 		$this->action = $query->attrs->action;
 		$this->query_id = $query->attrs->id;
@@ -37,9 +116,12 @@ class QueryTag {
 		$this->getColumns();
 		$tables = $this->getTables();
 		$this->setTableColumnTypes($tables);
+		$this->getSubquery(); // Used for insert-select
 		$this->getConditions();
 		$this->getGroups();
 		$this->getNavigation();
+		
+		
 		$this->getPrebuff();
 		$this->getBuff();
 	}
@@ -77,19 +159,20 @@ class QueryTag {
 		}
 	}
 
-	function getColumns() {
-		if ($this->action == 'select') {
-			return $this->columns = new SelectColumnsTag($this->query->columns);
-		} else if ($this->action == 'insert') {
-			return $this->columns = new InsertColumnsTag($this->query->columns->column);
-		} else if ($this->action == 'update') {
-			return $this->columns = new UpdateColumnsTag($this->query->columns->column);
-		} else if ($this->action == 'delete') {
-			return $this->columns = null;
+	function getColumns(){
+		if($this->action == 'select'){
+			return $this->columns =  new SelectColumnsTag($this->query->columns);
+		}else if($this->action == 'insert' || $this->action == 'insert-select'){
+			return $this->columns =  new InsertColumnsTag($this->query->columns->column);
+		}else if($this->action == 'update') {
+			return $this->columns =  new UpdateColumnsTag($this->query->columns->column);
+		}else if($this->action == 'delete') {
+			return $this->columns =  null;
 		}
 	}
 
 	function getPrebuff() {
+		if($this->isSubQuery) return;
 		// TODO Check if this work with arguments in join clause
 		$arguments = $this->getArguments();
 
@@ -159,11 +242,13 @@ class QueryTag {
 		if ($this->columns)
 			$buff .= '$query->setColumns(' . $this->columns->toString() . ');' . PHP_EOL;
 
-		$buff .= '$query->setTables(' . $this->tables->toString() . ');' . PHP_EOL;
-		$buff .= '$query->setConditions(' . $this->conditions->toString() . ');' . PHP_EOL;
-		$buff .= '$query->setGroups(' . $this->groups->toString() . ');' . PHP_EOL;
-		$buff .= '$query->setOrder(' . $this->navigation->getOrderByString() . ');' . PHP_EOL;
-		$buff .= '$query->setLimit(' . $this->navigation->getLimitString() . ');' . PHP_EOL;
+        $buff .= '$query->setTables(' . $this->tables->toString() .');'.PHP_EOL;
+		if($this->action == 'insert-select')
+				$buff .= '$query->setSubquery(' . $this->subquery->toString() .');'.PHP_EOL;
+        $buff .= '$query->setConditions('.$this->conditions->toString() .');'.PHP_EOL;
+       	$buff .= '$query->setGroups(' . $this->groups->toString() . ');'.PHP_EOL;
+       	$buff .= '$query->setOrder(' . $this->navigation->getOrderByString() .');'.PHP_EOL;
+		$buff .= '$query->setLimit(' . $this->navigation->getLimitString() .');'.PHP_EOL;
 
 		$this->buff = $buff;
 		return $this->buff;
@@ -176,7 +261,13 @@ class QueryTag {
 			return $this->tables = new TablesTag($this->query->tables);
 	}
 
-	function getConditions() {
+	function getSubquery(){
+		if($this->query->query){
+			$this->subquery = new QueryTag($this->query->query, true);
+		}
+	}
+	
+	function getConditions(){
 		return $this->conditions = new ConditionsTag($this->query->conditions);
 	}
 
@@ -207,11 +298,13 @@ class QueryTag {
 		return $this->buff;
 	}
 
-	function getArguments() {
+	function getArguments(){
 		$arguments = array();
 		if ($this->columns)
 			$arguments = array_merge($arguments, $this->columns->getArguments());
-		$arguments = array_merge($arguments, $this->tables->getArguments());
+		if($this->action =='insert-select')
+			$arguments = array_merge($arguments, $this->subquery->getArguments());
+        $arguments = array_merge($arguments, $this->tables->getArguments());
 		$arguments = array_merge($arguments, $this->conditions->getArguments());
 		$arguments = array_merge($arguments, $this->navigation->getArguments());
 		return $arguments;

classes/xml/xmlquery/tags/table/HintTableTag.class.php

@@ -1,20 +1,26 @@
 <?php
-
 	/**
-	 * @class HintTableTag
-	 * @author Arnia Sowftare
-	 * @brief Models the <table> tag inside an XML Query file
-         *      and the corresponding <index_hint> tag
+	 * HintTableTag
+	 * Models the <table> tag inside an XML Query file and the corresponding <index_hint> tag
 	 *
+	 * @author Arnia Sowftare
+	 * @package /classes/xml/xmlquery/tags/table
+	 * @version 0.1
 	 */
-
 	class HintTableTag extends TableTag {
+		/**
+		 * Action for example, 'select', 'insert', 'delete'...
+		 * @var array
+		 */
                 var $index;
 
-                /**
-                 * @brief Initialises Table Tag properties
-                 * @param XML <table> tag $table
-                 */
+		/**
+		 * constructor
+		 * Initialises Table Tag properties
+		 * @param object $table XML <table> tag
+		 * @param array $index
+		 * @return void
+		 */
 		function HintTableTag($table, $index){
                         parent::TableTag($table);
                         $this->index = $index;

classes/xml/xmlquery/tags/table/TableTag.class.php

@@ -1,34 +1,62 @@
 <?php 
-	
 	/**
-	 * @class TableTag
-	 * @author Arnia Sowftare
-	 * @brief Models the <table> tag inside an XML Query file
+	 * TableTag
+	 * Models the <table> tag inside an XML Query file
+	 * @abstract
+	 *   Example
+	 *      <table name="modules" />
+	 *      <table name="documents" alias="doc" />
+	 *   Attributes
+	 *      name - name of the table - table prefix will be automatically added
+	 *      alias - table alias. If no value is specified, the table name will be set as default alias
+	 *      join_type - in case the table is part of a join clause, this specifies the type of join: left, right etc.
+	 *                - permitted values: 'left join','left outer join','right join','right outer join'
+	 *   Children
+	 *      Can have children of type <conditions>
 	 *
-         * @abstract
-         *   Example
-         *      <table name="modules" />
-         *      <table name="documents" alias="doc" />
-         *   Attributes
-         *      name - name of the table - table prefix will be automatically added
-         *      alias - table alias. If no value is specified, the table name will be set as default alias
-         *      join_type - in case the table is part of a join clause, this specifies the type of join: left, right etc.
-         *                - permitted values: 'left join','left outer join','right join','right outer join'
-         *   Children
-         *      Can have children of type <conditions>
+	 * @author Arnia Sowftare
+	 * @package /classes/xml/xmlquery/tags/table
+	 * @version 0.1
 	 */
-
 	class TableTag {
+		/**
+		 * Unescaped name
+		 * @var string
+		 */
 		var $unescaped_name;
+		/**
+		 * name
+		 * @var string
+		 */
 		var $name;
+		/**
+		 * alias
+		 * @var string
+		 */
 		var $alias;
+		/**
+		 * Join type
+		 * @example 'left join', 'left outer join', 'right join', 'right outer join'
+		 * @var string
+		 */
 		var $join_type;
+		/**
+		 * Condition object
+		 * @var object
+		 */
 		var $conditions;
+		/**
+		 * JoinConditionsTag
+		 * @var JoinConditionsTag object
+		 */
 		var $conditionsTag;
-                /**
-                 * @brief Initialises Table Tag properties
-                 * @param XML <table> tag $table
-                 */
+
+		/**
+		 * constructor
+		 * Initialises Table Tag properties
+		 * @param object $table XML <table> tag
+		 * @return void
+		 */
 		function TableTag($table){
 			$dbParser = DB::getParser();
                         
@@ -47,7 +75,8 @@
 		}
 		
 		function isJoinTable(){
-			if(in_array($this->join_type,array('left join','left outer join','right join','right outer join')) 
+			$joinList = array('left join'=>1, 'left outer join'=>1, 'right join'=>1, 'right outer join'=>1);
+			if(isset($joinList[$this->join_type])
 				&& count($this->conditions)) return true;
 			return false;
 		}
@@ -60,12 +89,12 @@
 			return $this->unescaped_name;
 		}
 		
-                /**
-                 * @brief Returns string for printing in PHP query cache file
-                 * The string contains code for instantiation of either 
-                 * a Table or a JoinTable object
-                 * @return string 
-                 */
+		/**
+		 * Returns string for printing in PHP query cache file
+		 * The string contains code for instantiation of either 
+		 * a Table or a JoinTable object
+		 * @return string 
+		 */
 		function getTableString(){
 			$dbParser = DB::getParser();
 

classes/xml/xmlquery/tags/table/TablesTag.class.php

@@ -1,24 +1,34 @@
 <?php
-
 	/**
-	 * @class TablesTag
-	 * @author Arnia Sowftare
-	 * @brief Models the <tables> tag inside an XML Query file
+	 * TablesTag class
+	 * Models the <tables> tag inside an XML Query file
+	 * @abstract
+	 *   Example
+	 *      <tables>
+	 *          <table name="documents" alias="doc" />
+	 *      </tables>
+	 *   Attributes
+	 *      None.
+	 *   Children
+	 *      Can have children of type <table> or <query>
 	 *
-         * @abstract
-         *   Example
-         *      <tables>
-         *          <table name="documents" alias="doc" />
-         *      </tables>
-         *   Attributes
-         *      None.
-         *   Children
-         *      Can have children of type <table> or <query>
+	 * @author Arnia Sowftare
+	 * @package /classes/xml/xmlquery/tags/table
+	 * @version 0.1
 	 */
-
 	class TablesTag {
+		/**
+		 * Table list
+		 * @var array
+		 */
 		var $tables;
 
+		/**
+		 * constructor
+		 * @param object $xml_tables_tag
+		 * @param object $xml_index_hints_tag
+		 * @return void
+		 */
 		function TablesTag($xml_tables_tag, $xml_index_hints_tag = NULL){
                     $this->tables = array();
 
@@ -42,7 +52,7 @@
                             $this->tables[] = new QueryTag($tag, true);
                         }
                         else {
-                            if(isset($indexes) && $indexes && isset($indexes[$tag->attrs->name]))
+                            if(isset($indexes[$tag->attrs->name]) && $indexes[$tag->attrs->name])
                                 $this->tables[] = new HintTableTag($tag, $indexes[$tag->attrs->name]);
                             else
                                 $this->tables[] = new TableTag($tag);

common/css/xe.css

@@ -2,15 +2,15 @@
 /* NHN (developers@xpressengine.com) */
 /* Element Reset */
 body,table,input,textarea,select,button{font-family:Tahoma,Geneva,sans-serif;font-size:12px}
-img{border:0}
-.xe_content{word-break:break-all;word-wrap:break-word}
+body{word-wrap:break-word}
+a img{border:0}
 .xe_content img{max-width:100%;height:auto}
 @media \0screen{.xe_content img{max-width:none}}
 /* Button Area */
 .btnArea{margin:1em 0;text-align:right;zoom:1;clear:both}
 .btnArea:after{content:"";display:block;clear:both}
 .btnArea .etc{float:left}
-/* Button */
+/* Button - Legacy Code (Don't use it. It will be removed as soon as possible.) */
 .btn{position:relative;display:inline-block;vertical-align:middle}
 .btn *{display:inline-block;padding:0 8px;font-size:12px;height:24px;line-height:22px;margin:0;font-weight:bold !important;color:#fff;text-decoration:none !important;border:1px solid;cursor:pointer;overflow:visible;border-radius:3px;box-shadow:inset 0 0 1px #fff;background-color:#666;text-shadow:0 -1px 0 #333;zoom:1}
 .btn *[disabled=disabled]{opacity:.5;*filter:alpha(opacity=50)}