From ebc5edeec7e45fc11f7bd0594ed4211c1f2356fe Mon Sep 17 00:00:00 2001
From: ovclas <ovclas@gmail.com>
Date: Tue, 19 Jun 2012 08:53:24 +0000
Subject: [PATCH] add phpDoc comment

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10780 201d5d3c-b55e-5fd7-737f-ddc643e51545
---
 .../expression/ClickCountExpression.class.php |  4 +-
 classes/xml/xmlquery/DBParser.class.php       |  7 +-
 classes/xml/xmlquery/QueryParser.class.php    | 28 ++++++-
 .../xml/xmlquery/argument/Argument.class.php  | 70 ++++++++++++++--
 .../argument/ConditionArgument.class.php      | 42 +++++++---
 .../xmlquery/argument/SortArgument.class.php  |  7 +-
 .../queryargument/DefaultValue.class.php      | 46 +++++++++-
 .../queryargument/QueryArgument.class.php     | 46 +++++++++-
 .../queryargument/SortQueryArgument.class.php | 11 ++-
 .../QueryArgumentValidator.class.php          | 40 +++++++++
 .../xmlquery/tags/column/ColumnTag.class.php  | 31 ++++---
 .../tags/column/InsertColumnTag.class.php     | 25 ++++--
 .../InsertColumnTagWithoutArgument.class.php  | 23 +++--
 .../tags/column/InsertColumnsTag.class.php    | 34 ++++++--
 .../tags/column/SelectColumnTag.class.php     | 29 +++++--
 .../tags/column/SelectColumnsTag.class.php    | 25 +++++-
 .../tags/column/UpdateColumnTag.class.php     | 31 ++++---
 .../tags/column/UpdateColumnsTag.class.php    | 35 ++++++--
 .../condition/ConditionGroupTag.class.php     | 28 ++++++-
 .../tags/condition/ConditionTag.class.php     | 46 ++++++++--
 .../tags/condition/ConditionsTag.class.php    | 20 +++++
 .../condition/JoinConditionsTag.class.php     | 16 +++-
 .../xmlquery/tags/group/GroupsTag.class.php   | 17 +++-
 .../tags/navigation/IndexTag.class.php        | 33 +++++++-
 .../tags/navigation/LimitTag.class.php        | 29 ++++++-
 .../tags/navigation/NavigationTag.class.php   | 40 +++++++++
 .../xmlquery/tags/query/QueryTag.class.php    | 84 ++++++++++++++++++-
 .../tags/table/HintTableTag.class.php         | 26 +++---
 .../xmlquery/tags/table/TableTag.class.php    | 80 ++++++++++++------
 .../xmlquery/tags/table/TablesTag.class.php   | 38 +++++----
 30 files changed, 830 insertions(+), 161 deletions(-)

diff --git a/classes/db/queryparts/expression/ClickCountExpression.class.php b/classes/db/queryparts/expression/ClickCountExpression.class.php
index 4857b252d..367681c0c 100644
--- a/classes/db/queryparts/expression/ClickCountExpression.class.php
+++ b/classes/db/queryparts/expression/ClickCountExpression.class.php
@@ -8,7 +8,7 @@
 	class ClickCountExpression extends SelectExpression {
 		/**
 		 * click count
-		 * @var boolean
+		 * @var bool
 		 */
 		var $click_count;
 	
@@ -16,7 +16,7 @@
 		 * constructor
 		 * @param string $column_name
 		 * @param string $alias
-		 * @param boolean $click_count
+		 * @param bool $click_count
 		 * @return void
 		 */
 		function ClickCountExpression($column_name, $alias = NULL, $click_count = false){
diff --git a/classes/xml/xmlquery/DBParser.class.php b/classes/xml/xmlquery/DBParser.class.php
index b10d8df6e..111f698f4 100644
--- a/classes/xml/xmlquery/DBParser.class.php
+++ b/classes/xml/xmlquery/DBParser.class.php
@@ -4,7 +4,7 @@
 	 * @author NHN (developers@xpressengine.com)
 	 * @package /classes/xml/xmlquery
 	 * @version 0.1
-	 **/
+	 */
 	class DBParser {
 		/**
 		 * Character for escape target value on the left
@@ -154,6 +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;
diff --git a/classes/xml/xmlquery/QueryParser.class.php b/classes/xml/xmlquery/QueryParser.class.php
index 3ff1cb73d..056b123ec 100644
--- a/classes/xml/xmlquery/QueryParser.class.php
+++ b/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 = '';
@@ -56,6 +76,10 @@
             return $column_type;
         }
 
+		/**
+		 * Change code string from queryTag object
+		 * @return string
+		 */
         function toString() {
             return "<?php if(!defined('__ZBXE__')) exit();\n"
             . $this->queryTag->toString()
diff --git a/classes/xml/xmlquery/argument/Argument.class.php b/classes/xml/xmlquery/argument/Argument.class.php
index d44fe36dd..146f097a7 100644
--- a/classes/xml/xmlquery/argument/Argument.class.php
+++ b/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') {
@@ -106,6 +156,11 @@ class Argument {
 		return $value;
 	}
 
+	/**
+	 * escape string value
+	 * @param string $value
+	 * @return string
+	 */
 	function _escapeStringValue($value) {
 		$db = &DB::getInstance();
 		$value = $db->addQuotes($value);
@@ -135,6 +190,11 @@ 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;
diff --git a/classes/xml/xmlquery/argument/ConditionArgument.class.php b/classes/xml/xmlquery/argument/ConditionArgument.class.php
index dd8e2c83a..ce7f17934 100644
--- a/classes/xml/xmlquery/argument/ConditionArgument.class.php
+++ b/classes/xml/xmlquery/argument/ConditionArgument.class.php
@@ -1,9 +1,25 @@
 <?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($operation, array('in', 'notin','not_in', 'between')) && !is_array($value) && $value != ''){
 				$value = str_replace(' ', '', $value);
@@ -14,6 +30,10 @@
 			$this->operation = $operation;
 		}
 
+		/**
+		 * create condition value. set $this->value
+		 * @return void
+		 */
 		function createConditionValue(){
 			if(!isset($this->value)) return;
 
@@ -64,16 +84,16 @@
 		}
 
 		/**
-			* 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)
 			{				
diff --git a/classes/xml/xmlquery/argument/SortArgument.class.php b/classes/xml/xmlquery/argument/SortArgument.class.php
index 639b10a06..fc83d1c6f 100644
--- a/classes/xml/xmlquery/argument/SortArgument.class.php
+++ b/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(){
diff --git a/classes/xml/xmlquery/queryargument/DefaultValue.class.php b/classes/xml/xmlquery/queryargument/DefaultValue.class.php
index 0dc053ab1..e5fa9793d 100644
--- a/classes/xml/xmlquery/queryargument/DefaultValue.class.php
+++ b/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);
diff --git a/classes/xml/xmlquery/queryargument/QueryArgument.class.php b/classes/xml/xmlquery/queryargument/QueryArgument.class.php
index a5840ce8b..ebeb7a30f 100644
--- a/classes/xml/xmlquery/queryargument/QueryArgument.class.php
+++ b/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
diff --git a/classes/xml/xmlquery/queryargument/SortQueryArgument.class.php b/classes/xml/xmlquery/queryargument/SortQueryArgument.class.php
index 4424c3f5b..e99486f1f 100644
--- a/classes/xml/xmlquery/queryargument/SortQueryArgument.class.php
+++ b/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
diff --git a/classes/xml/xmlquery/queryargument/validator/QueryArgumentValidator.class.php b/classes/xml/xmlquery/queryargument/validator/QueryArgumentValidator.class.php
index aa3fef3d4..dbf8ce3a9 100644
--- a/classes/xml/xmlquery/queryargument/validator/QueryArgumentValidator.class.php
+++ b/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();
diff --git a/classes/xml/xmlquery/tags/column/ColumnTag.class.php b/classes/xml/xmlquery/tags/column/ColumnTag.class.php
index 8ffe77373..33edeba26 100644
--- a/classes/xml/xmlquery/tags/column/ColumnTag.class.php
+++ b/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;
 		}
-	}
\ No newline at end of file
+	}
diff --git a/classes/xml/xmlquery/tags/column/InsertColumnTag.class.php b/classes/xml/xmlquery/tags/column/InsertColumnTag.class.php
index 500d25b6d..0bef31920 100644
--- a/classes/xml/xmlquery/tags/column/InsertColumnTag.class.php
+++ b/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();
diff --git a/classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php b/classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php
index cbe3f7634..86ac458dc 100644
--- a/classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php
+++ b/classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php
@@ -1,13 +1,18 @@
 <?php
-    /**
-     * @class InsertColumnTagWithoutArgument
-     * @author Arnia Software
-     * @brief Models the <column> tag inside an XML Query file whose action is 'insert-select'
-     *
-     **/
-
+	/**
+	 * 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();
@@ -23,4 +28,4 @@
 		}
 
 	}
-?>
\ No newline at end of file
+?>
diff --git a/classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php b/classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php
index d849952db..0cfca653c 100644
--- a/classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php
+++ b/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();
 
@@ -24,6 +34,10 @@
 			}
 		}
 
+		/**
+		 * InsertColumnTag object to string
+		 * @return string
+		 */
 		function toString(){
 			$output_columns = 'array(' . PHP_EOL;
 			foreach($this->columns as $column){
@@ -34,6 +48,10 @@
 			return $output_columns;
 		}
 
+		/**
+		 * Return argument list
+		 * @return array
+		 */
 		function getArguments(){
 			$arguments = array();
 			foreach($this->columns as $column){
@@ -44,4 +62,4 @@
 
 	}
 
-?>
\ No newline at end of file
+?>
diff --git a/classes/xml/xmlquery/tags/column/SelectColumnTag.class.php b/classes/xml/xmlquery/tags/column/SelectColumnTag.class.php
index 22153d346..bef7e0fd2 100644
--- a/classes/xml/xmlquery/tags/column/SelectColumnTag.class.php
+++ b/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 == '*')
 			{
diff --git a/classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php b/classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php
index 22f6c024e..47ec7446f 100644
--- a/classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php
+++ b/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){
diff --git a/classes/xml/xmlquery/tags/column/UpdateColumnTag.class.php b/classes/xml/xmlquery/tags/column/UpdateColumnTag.class.php
index 1e53e2410..e2616ac34 100644
--- a/classes/xml/xmlquery/tags/column/UpdateColumnTag.class.php
+++ b/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();
diff --git a/classes/xml/xmlquery/tags/column/UpdateColumnsTag.class.php b/classes/xml/xmlquery/tags/column/UpdateColumnsTag.class.php
index eb6ca94ea..dfa6b9a6b 100644
--- a/classes/xml/xmlquery/tags/column/UpdateColumnsTag.class.php
+++ b/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 @@
 
 	}
 
-?>
\ No newline at end of file
+?>
diff --git a/classes/xml/xmlquery/tags/condition/ConditionGroupTag.class.php b/classes/xml/xmlquery/tags/condition/ConditionGroupTag.class.php
index 2fa3609db..068c62479 100644
--- a/classes/xml/xmlquery/tags/condition/ConditionGroupTag.class.php
+++ b/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 @@
 		}
 
 	}
-?>
\ No newline at end of file
+?>
diff --git a/classes/xml/xmlquery/tags/condition/ConditionTag.class.php b/classes/xml/xmlquery/tags/condition/ConditionTag.class.php
index f916e16ac..ea82fdc25 100644
--- a/classes/xml/xmlquery/tags/condition/ConditionTag.class.php
+++ b/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;
diff --git a/classes/xml/xmlquery/tags/condition/ConditionsTag.class.php b/classes/xml/xmlquery/tags/condition/ConditionsTag.class.php
index 5e8b30b12..e5a6ef206 100644
--- a/classes/xml/xmlquery/tags/condition/ConditionsTag.class.php
+++ b/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){
diff --git a/classes/xml/xmlquery/tags/condition/JoinConditionsTag.class.php b/classes/xml/xmlquery/tags/condition/JoinConditionsTag.class.php
index 3b59989f6..690b1893d 100644
--- a/classes/xml/xmlquery/tags/condition/JoinConditionsTag.class.php
+++ b/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("");
 		}
 	}
 
-?>
\ No newline at end of file
+?>
diff --git a/classes/xml/xmlquery/tags/group/GroupsTag.class.php b/classes/xml/xmlquery/tags/group/GroupsTag.class.php
index d492859b5..5da76bd08 100644
--- a/classes/xml/xmlquery/tags/group/GroupsTag.class.php
+++ b/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();
 			
diff --git a/classes/xml/xmlquery/tags/navigation/IndexTag.class.php b/classes/xml/xmlquery/tags/navigation/IndexTag.class.php
index d819c5318..d51505fd9 100644
--- a/classes/xml/xmlquery/tags/navigation/IndexTag.class.php
+++ b/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;
 
diff --git a/classes/xml/xmlquery/tags/navigation/LimitTag.class.php b/classes/xml/xmlquery/tags/navigation/LimitTag.class.php
index 8f3618057..c77c928c3 100644
--- a/classes/xml/xmlquery/tags/navigation/LimitTag.class.php
+++ b/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);
diff --git a/classes/xml/xmlquery/tags/navigation/NavigationTag.class.php b/classes/xml/xmlquery/tags/navigation/NavigationTag.class.php
index a428cad98..d5f66c873 100644
--- a/classes/xml/xmlquery/tags/navigation/NavigationTag.class.php
+++ b/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 "";
diff --git a/classes/xml/xmlquery/tags/query/QueryTag.class.php b/classes/xml/xmlquery/tags/query/QueryTag.class.php
index f93c8059a..ef9dab3e2 100644
--- a/classes/xml/xmlquery/tags/query/QueryTag.class.php
+++ b/classes/xml/xmlquery/tags/query/QueryTag.class.php
@@ -1,26 +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;
diff --git a/classes/xml/xmlquery/tags/table/HintTableTag.class.php b/classes/xml/xmlquery/tags/table/HintTableTag.class.php
index 00196502a..2c23a786c 100644
--- a/classes/xml/xmlquery/tags/table/HintTableTag.class.php
+++ b/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;
diff --git a/classes/xml/xmlquery/tags/table/TableTag.class.php b/classes/xml/xmlquery/tags/table/TableTag.class.php
index e9ee67866..80fffac1f 100644
--- a/classes/xml/xmlquery/tags/table/TableTag.class.php
+++ b/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();
                         
@@ -60,12 +88,12 @@
 			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();
 
diff --git a/classes/xml/xmlquery/tags/table/TablesTag.class.php b/classes/xml/xmlquery/tags/table/TablesTag.class.php
index 8c484e2e7..bd48e66d0 100644
--- a/classes/xml/xmlquery/tags/table/TablesTag.class.php
+++ b/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();