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refatoring TemplateHandler class

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@9258 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
taggon 2011-09-21 12:14:42 +00:00
parent a384a2eb77
commit b37398d067
4 changed files with 383 additions and 454 deletions
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723
classes/template/TemplateHandler.class.php
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@ -8,7 +8,7 @@
* code, and XE caches compiled code for further uses
**/
class TemplateHandler extends Handler {
class TemplateHandler {
var $compiled_path = './files/cache/template_compiled/'; ///< path of compiled caches files
@ -18,30 +18,37 @@
var $xe_path = null; ///< XpressEngine base path
var $web_path = null; ///< tpl file web path
var $compiled_file = null; ///< tpl file web path
var $buff = null; ///< tpl file web path
var $handler_mtime = 0;
function TemplateHandler()
{
$this->xe_path = rtrim(preg_replace('/([^\.^\/]+)\.php$/i','',$_SERVER['SCRIPT_NAME']),'/');
}
/**
* @brief returns TemplateHandler's singleton object
* @return TemplateHandler instance
**/
function &getInstance() {
function &getInstance()
{
static $oTemplate = null;
if(__DEBUG__==3 ) {
if(!isset($GLOBALS['__TemplateHandlerCalled__'])) $GLOBALS['__TemplateHandlerCalled__']=1;
else $GLOBALS['__TemplateHandlerCalled__']++;
}
if(!$GLOBALS['__TemplateHandler__']) {
$GLOBALS['__TemplateHandler__'] = new TemplateHandler();
}
return $GLOBALS['__TemplateHandler__'];
if(!$oTemplate) $oTemplate = new TemplateHandler();
return $oTemplate;
}
/**
* @brief set variables for template compile
**/
function init($tpl_path, $tpl_filename, $tpl_file) {
function init($tpl_path, $tpl_filename, $tpl_file='')
{
// verify arguments
if(substr($tpl_path,-1)!='/') $tpl_path .= '/';
if(!file_exists($tpl_path.$tpl_filename)&&file_exists($tpl_path.$tpl_filename.'.html')) $tpl_filename .= '.html';
@ -50,22 +57,18 @@
if(!$tpl_file) $tpl_file = $tpl_path.$tpl_filename;
// set template file infos.
$info = pathinfo($tpl_file);
//$this->path = preg_replace('/^\.\//','',$info['dirname']).'/';
$this->path = $tpl_path;
$this->filename = $tpl_filename;
$this->file = $tpl_file;
$this->xe_path = preg_replace('/([^\.^\/]+)\.php$/i','',$_SERVER['SCRIPT_NAME']);
$this->web_path = $this->xe_path.str_replace(_XE_PATH_,'',$this->path);
$this->web_path = $this->xe_path.preg_replace('/^'.preg_quote(_XE_PATH_,'/').'/','',$this->path);
// get compiled file name
$this->compiled_file = sprintf('%s%s.compiled.php',$this->compiled_path, md5($this->file . __ZBXE_VERSION__));
$hash = md5($this->file . __ZBXE_VERSION__);
$this->compiled_file = "{$this->compiled_path}{$hash}.compiled.php";
// compare various file's modified time for check changed
$this->handler_mtime = filemtime(_XE_PATH_.'classes/template/TemplateHandler.class.php');
$this->buff = null;
$this->handler_mtime = filemtime(__FILE__);
}
/**
@ -75,7 +78,9 @@
* @param[in] $tpl_file if specified use it as template file's full path
* @return Returns compiled result in case of success, NULL otherwise
*/
function compile($tpl_path, $tpl_filename, $tpl_file = '') {
function compile($tpl_path, $tpl_filename, $tpl_file='') {
$buff = '';
// store the starting time for debug information
if(__DEBUG__==3 ) $start = getMicroTime();
@ -83,31 +88,31 @@
$this->init($tpl_path, $tpl_filename, $tpl_file);
// if target file does not exist exit
if(!$this->file || !file_exists($this->file)) return sprintf('Err : "%s" template file does not exists.', $this->file);
if(!$this->file || !file_exists($this->file)) return "Err : '{$this->file}' template file does not exists.";
$source_template_mtime = filemtime($this->file);
$latest_mtime = $source_template_mtime>$this->handler_mtime?$source_template_mtime:$this->handler_mtime;
// cache controll
// cache control
$oCacheHandler = &CacheHandler::getInstance('template');
// get cached buff
if($oCacheHandler->isSupport()){
$cache_key = 'template:'.$this->file;
$this->buff = $oCacheHandler->get($cache_key, $latest_mtime);
$buff = $oCacheHandler->get($cache_key, $latest_mtime);
} else {
if(file_exists($this->compiled_file) && filemtime($this->compiled_file)>$latest_mtime) {
$this->buff = FileHandler::readFile($this->compiled_file);
if(is_readable($this->compiled_file) && filemtime($this->compiled_file)>$latest_mtime && filesize($this->compiled_file)) {
$buff = 'file://'.$this->compiled_file;
}
}
if(!$this->buff) {
$this->parse();
if($oCacheHandler->isSupport()) $oCacheHandler->put($cache_key, $this->buff);
else FileHandler::writeFile($this->compiled_file, $this->buff);
if(!$buff) {
$buff = $this->parse();
if($oCacheHandler->isSupport()) $oCacheHandler->put($cache_key, $buff);
else FileHandler::writeFile($this->compiled_file, $buff);
}
$output = $this->_fetch();
$output = $this->_fetch($buff);
// store the ending time for debug information
if(__DEBUG__==3 ) $GLOBALS['__template_elapsed__'] += getMicroTime() - $start;
@ -127,12 +132,10 @@
// if target file does not exist exit
if(!$this->file || !file_exists($this->file)) {
Context::close();
printf('"%s" template file is not exists.', $this->file);
exit();
exit("Cannot find the template file: '{$this->file}'");
}
$this->parse();
return $this->buff;
return $this->parse();
}
/**
@ -142,65 +145,33 @@
* @param[in] $compiled_tpl_file if specified, write compiled result into the file
* @return compiled result in case of success or NULL in case of error
**/
function parse() {
if(!file_exists($this->file)) return;
function parse($buff=null) {
if(is_null($buff)) {
if(!is_readable($this->file)) return;
// read tpl file
$buff = FileHandler::readFile($this->file);
}
// replace value of src in img/input/script tag
$buff = preg_replace_callback('/<(img|input|script)([^>]*)src="([^"]*?)"/is', array($this, '_replacePath'), $buff);
// replace the loop template syntax
$buff = $this->_replaceLoop($buff);
// replace loop and cond template syntax
$buff = $this->_parseInline($buff);
// |replace the cond template syntax
$buff = $this->_replaceCond($buff);
// include, unload/load, import
$buff = preg_replace_callback('/<(include|(?:un)?load)( .+?)>|<!--(%import|%load_js_plugin|%unload|#include)\("([^"]+)"(.*?)\)-->|<!--@([a-z@]+)(.*?)-->|{@(.+?)}|{([^@ \\\\][^\n\r\{\}]+?)}/s', array($this, '_parseResource'), $buff);
// replace the cond template syntax
$buff = preg_replace_callback("/<\/?(\w+)((\s+\w+(\s*=\s*(?:\".*?\"|'.*?'|[^'\">\s]+))?)+\s*|\s*)\/?>/i", array($this, '_replacePipeCond'), $buff);
// replace the include tags
$buff = preg_replace_callback('!<include ([^>]+)>!is', array($this, '_replaceInclude'), $buff);
// replace unload/load tags
$buff = preg_replace_callback('!<(unload|load) ([^>]+)>!is', array($this, '_replaceLoad'), $buff);
// replace block which is a virtual tag
$buff = preg_replace('/<block([ ]*)>|<\/block>/is','',$buff);
// replace include <!--#include($filename)-->
$buff = preg_replace_callback('!<\!--#include\(([^\)]*?)\)-->!is', array($this, '_compileIncludeToCode'), $buff);
// replace <!--@, -->
$buff = preg_replace_callback('!<\!--@(.*?)-->!is', array($this, '_compileFuncToCode'), $buff);
// remove comments <!--// ~ -->
$buff = preg_replace('!(\n?)( *?)<\!--//(.*?)-->!is', '', $buff);
// import xml filter/ css/ js/ files <!--%import("filename"[,optimized=true|false][,media="media"][,targetie="lt IE 6|IE 7|gte IE 8|..."])--> (media is applied to only css)
$buff = preg_replace_callback('!<\!--%import\(\"([^\"]*?)\"(,optimized\=(true|false))?(,media\=\"([^\"]*)\")?(,targetie=\"([^\"]*)\")?(,index=\"([^\"]*)\")?(,type=\"([^\"]*)\")?\)-->!is', array($this, '_compileImportCode'), $buff);
// unload css/ js <!--%unload("filename"[,optimized=true|false][,media="media"][,targetie="lt IE 6|IE 7|gte IE 8|..."])--> (media is applied to only css)
$buff = preg_replace_callback('!<\!--%unload\(\"([^\"]*?)\"(,optimized\=(true|false))?(,media\=\"([^\"]*)\")?(,targetie=\"([^\"]*)\")?\)-->!is', array($this, '_compileUnloadCode'), $buff);
// javascript plugin import
$buff = preg_replace_callback('!<\!--%load_js_plugin\(\"([^\"]*?)\"\)-->!is', array($this, '_compileLoadJavascriptPlugin'), $buff);
// remove block which is a virtual tag and remove comments
$buff = preg_replace('@</?block\s*>|\s?<!--//(.*?)-->@is','',$buff);
// form auto generation
$buff = preg_replace_callback('/(<form(?:<\?php.+?\?>|[^<>]+)*?>)(.*?)(<\/form>)/is', array($this, '_compileFormAuthGeneration'), $buff);
// replace variables
$buff = preg_replace_callback('/\{[^@^ ]([^\{\}\n]+)\}/i', array($this, '_compileVarToContext'), $buff);
// replace PHP variable types(converts characters like $ into shared context)
$buff = $this->_replaceVarInPHP($buff);
// replace parts not displaying results
$buff = preg_replace_callback('/\{\@([^\{\}]+)\}/i', array($this, '_compileVarToSilenceExecute'), $buff);
// prevent from calling directly before writing into file
$this->buff = '<?php if(!defined("__ZBXE__")) exit();?>'.$buff;
$buff = '<?php if(!defined("__XE__"))exit;?>'.$buff;
return $buff;
}
/**
@ -263,17 +234,24 @@
* @param[in] $tpl_path set context's tpl path
* @return result string
**/
function _fetch() {
if(!$this->buff) return;
function _fetch($buff) {
if(!$buff) return;
$__Context = &$GLOBALS['__Context__'];
$__Context->tpl_path = $this->path;
if($_SESSION['is_logged']) $__Context->logged_info = Context::get('logged_info');
if($_SESSION['is_logged']) {
$__Context->logged_info = Context::get('logged_info');
}
ob_start();
$eval_str = "?>".$this->buff;
if(substr($buff, 0, 7) == 'file://') {
include substr($buff, 7);
} else {
$eval_str = "?>".$buff;
eval($eval_str);
}
return ob_get_clean();
}
@ -301,207 +279,223 @@
return $matches[0];
}
/**
* @brief replace loop syntax
**/
function _replaceLoop($buff)
function _parseInline($buff)
{
while(false !== $pos = strpos($buff, ' loop="'))
{
$pre = substr($buff,0,$pos);
$next = substr($buff,$pos);
if(preg_match_all('/<([a-zA-Z0-9]+)[^>]*?(?:[ \|]cond| loop)="/s', $buff, $matches) === false) return $buff;
$pre_pos = strrpos($pre, '<');
$tags = array_unique($matches[1]);
$tags = implode('|',array_unique($matches[1]));
$split_regex = '@(<(?:/(?:'.$tags.')|(?:'.$tags.')(?:[^>]*(?:cond|loop)="[^"]+")*)[^>]*>)@s';
preg_match('/^ loop="([^"]+)"/i',$next,$m);
$tag = substr($next,0,strlen($m[0]));
$next = substr($next,strlen($m[0]));
$next_pos = strpos($next, '<');
$nodes = preg_split($split_regex, $buff, -1, PREG_SPLIT_DELIM_CAPTURE);
$tag = substr($pre, $pre_pos). $tag. substr($next, 0, $next_pos);
$pre = substr($pre, 0, $pre_pos);
$next = substr($next, $next_pos);
// list of self closing tags
$self_closing = explode(',', 'area,base,basefont,br,hr,input,img,link,meta,param,frame,col');
$tag_name = trim(substr($tag,1,strpos($tag,' ')));
$tag_head = $tag_tail = '';
for($idx=1,$node_len=count($nodes); $idx < $node_len; $idx+=2) {
if(!($node=$nodes[$idx])) continue;
if(!preg_match('/ loop="([^"]+)"/is',$tag)) {
print "<strong>Invalid XpressEngine Template Syntax</strong><br/>";
print "File : ".$this->file."<br/>";
print "Code : ".htmlspecialchars($tag);
exit();
}
if(preg_match_all('@\s(loop|cond)="([^"]+)"@', $node, $matches)) {
$closing = 0;
preg_match_all('/ loop="([^"]+)"/is',$tag,$m);
$tag = preg_replace('/ loop="([^"]+)"/is','', $tag);
// process opening tag
foreach($matches[1] as $n=>$stmt) {
$expr = $matches[2][$n];
$expr = $this->_replaceVar($expr);
$closing++;
for($i=0,$c=count($m[0]);$i<$c;$i++)
{
$loop = $m[1][$i];
if(false!== $fpos = strpos($loop,'=>'))
{
$target = trim(substr($loop,0,$fpos));
$vars = trim(substr($loop,$fpos+2));
if(false===strpos($vars,','))
{
$tag_head .= '<?php if(count('.$target.')) { foreach('.$target.' as '.$vars.') { ?>';
$tag_tail .= '<?php } } ?>';
}
else
{
$t = explode(',',$vars);
$tag_head .= '<?php if(count('.$target.')) { foreach('.$target.' as '.trim($t[0]).' => '.trim($t[1]).') { ?>';
$tag_tail .= '<?php } } ?>';
}
}
elseif(false!==strpos($loop,';'))
{
$tag_head .= '<?php for('.$loop.'){ ?>';
$tag_tail .= '<?php } ?>';
}
else
{
$t = explode('=',$loop);
if(count($t)==2)
{
$tag_head .= '<?php while('.trim($t[0]).' = '.trim($t[1]).') { ?>';
$tag_tail .= '<?php } ?>';
switch($stmt) {
case 'cond':
$nodes[$idx-1] .= "<?php if({$expr}){ ?>";
break;
case 'loop':
if(!preg_match('@^(?:(.+?)=>(.+?)(?:,(.+?))?|(.*?;.*?;.*?)|(.+?)\s*=\s*(.+?))$@', $expr, $expr_m)) break;
if($expr_m[1]) {
if($expr_m[3]) $expr_m[2] .= '=>'.$expr_m[3];
$nodes[$idx-1] .= "<?php if({$expr_m[1]}&&count({$expr_m[1]}))foreach({$expr_m[1]} as {$expr_m[2]}){ ?>";
}elseif($expr_m[4]) {
$nodes[$idx-1] .= "<?php for({$expr_m[4]}){ ?>";
}elseif($expr_m[5]) {
$nodes[$idx-1] .= "<?php while({$expr_m[5]}={$expr_m[6]}){ ?>";
}
break;
}
}
$node = preg_replace('@\s(loop|cond)="([^"]+)"@', '', $node);
if(substr(trim($tag),-2)!='/>')
{
while(false !== $close_pos = strpos($next, '</'.$tag_name))
{
$tmp_buff = substr($next, 0, $close_pos+strlen('</'.$tag_name.'>'));
$tag .= $tmp_buff;
$next = substr($next, strlen($tmp_buff));
if(substr_count($tag, '<'.$tag_name) == substr_count($tag,'</'.$tag_name)) break;
}
}
// this tag
$tag = substr($node, 1, strpos($node, ' ')-1);
$buff = $pre.$tag_head.$tag.$tag_tail.$next;
}
return $buff;
}
/**
* @brief replace pipe cond and |cond=
**/
function _replacePipeCond($matches)
{
if(strpos($matches[0],'|cond')!==false) {
while(strpos($matches[0],'|cond="')!==false) {
if(preg_match('/ (\w+)=\"([^\"]+)\"\|cond=\"([^\"]+)\"/is', $matches[0], $m))
$matches[0] = str_replace($m[0], sprintf('<?php if(%s) {?> %s="%s"<?php }?>', $m[3], $m[1], $m[2]), $matches[0]);
}
}
return $matches[0];
}
/**
* @brief replace cond syntax
**/
function _replaceCond($buff)
{
while(false !== ($pos = strpos($buff, ' cond="')))
{
$pre = substr($buff,0,$pos);
$next = substr($buff,$pos);
$pre_pos = strrpos($pre, '<');
$isClosedTagUse = true;
preg_match('/<(\/|[!DOCTYPE]|[a-z])/i',$next,$m);
// if not use closed tag, find simple closed tag
if(!$m[0]) {
$isClosedTagUse = false;
preg_match('/[^->]\/?>/',$next,$m);
}
if(!$m[0]) return $buff;
if($isClosedTagUse) $next_pos = strpos($next, $m[0]);
else $next_pos = strpos($next, $m[0])+2;
$tag = substr($pre, $pre_pos). substr($next, 0, $next_pos);
$pre = substr($pre, 0, $pre_pos);
$next = substr($next, $next_pos);
$tag_name = trim(substr($tag,1,strpos($tag,' ')));
$tag_head = $tag_tail = '';
if(preg_match_all('/ cond=\"([^\"]+)"/is',$tag,$m))
{
for($i=0,$c=count($m[0]);$i<$c;$i++)
{
$tag_head .= '<?php if('.$m[1][$i].') { ?>';
$tag_tail .= '<?php } ?>';
}
}
if(!preg_match('/ cond="([^"]+)"/is',$tag)) {
print "<strong>Invalid XpressEngine Template Syntax</strong><br/>";
print "File : ".$this->file."<br/>";
print "Code : ".htmlspecialchars($tag);
exit();
}
$tag = preg_replace('/ cond="([^"]+)"/is','', $tag);
if(substr(trim($tag),-2)=='/>')
{
$buff = $pre.$tag_head.$tag.$tag_tail.$next;
}
else
{
while(false !== $close_pos = strpos($next, '</'.$tag_name))
{
$tmp_buff = substr($next, 0, $close_pos+strlen('</'.$tag_name.'>'));
$tag .= $tmp_buff;
$next = substr($next, strlen($tmp_buff));
if(substr_count($tag, '<'.$tag_name) == substr_count($tag,'</'.$tag_name)) break;
}
$buff = $pre.$tag_head.$tag.$tag_tail.$next;
}
}
return $buff;
}
/**
* @brief replace include tags which include other template files
**/
function _replaceInclude($matches)
{
if(!preg_match('/target=\"([^\"]+)\"/is',$matches[0], $m)) {
print '"target" attribute missing in "'.htmlspecialchars($matches[0]);
exit();
}
$target = $m[1];
if(substr($target,0,1)=='/')
{
$target = substr($target,1);
$pos = strrpos('/',$target);
$filename = substr($target,$pos+1);
$path = substr($target,0,$pos);
// find closing tag
$close_php = '<?php '.str_repeat('}', $closing).' ?>';
if($node{1} == '!' || substr($node,-2,1) == '/' || in_array($tag, $self_closing)) { // self closing tag
$nodes[$idx+1] = $close_php.$nodes[$idx+1];
} else {
if(substr($target,0,2)=='./') $target = substr($target,2);
$pos = strrpos('/',$target);
$filename = substr($target,$pos);
$path = $this->path.substr($target,0,$pos);
$depth = 1;
for($i=$idx+2; $i < $node_len; $i+=2) {
$nd = $nodes[$i];
if(strpos($nd, $tag.' ') === 1) {
$depth++;
} elseif(strpos($nd, '/'.$tag) === 1) {
$depth--;
if(!$depth) {
$nodes[$i-1] .= $nodes[$i].$close_php;
$nodes[$i] = '';
break;
}
}
}
}
}
return sprintf(
'<?php%s'.
'$oTemplate = &TemplateHandler::getInstance();%s'.
'print $oTemplate->compile(\'%s\',\'%s\');%s'.
'?>%s',
"\n",
"\n",
$path, $filename, "\n",
"\n"
);
if(strpos($node, '|cond="') !== false) {
$node = preg_replace('@(\s[\w:]+="[^"]+?")\|cond="(.+?)"@s', '<?php if($2){ ?>$1<?php } ?>', $node);
$node = $this->_replaceVar($node);
}
if($nodes[$idx] != $node) $nodes[$idx] = $node;
}
$buff = implode('', $nodes);
return $buff;
}
function _parseResource($m)
{
// {$var} or {func(...)}
if($m[9])
{
return '<?php echo '.$this->_replaceVar($m[9]).' ?>';
}
// {@ ... }
if($m[8])
{
return '<?php '.$this->_replaceVar($m[8]).' ?>';
}
// <load ...> or <unload ...> or <!--%import ...--> or <!--%unload ...-->
if($m[1]=='load'||$m[1]=='unload'||$m[3]=='%import'||$m[3]=='%unload')
{
$attr = array();
if($m[1]) {
if(!preg_match_all('@ (\w+)="([^"]+)"@', $m[2], $mm)) return $m[0];
foreach($mm[1] as $idx=>$name) {
$attr[$name] = $mm[2][$idx];
}
$cmd = $m[1];
} else {
if(preg_match_all('@,(\w+)="([^"]+)"@', $m[5], $mm)) {
foreach($mm[1] as $idx=>$name) {
$attr[$name] = $mm[2][$idx];
}
}
$attr['target'] = $m[4];
$cmd = substr($m[3], 1);
if($cmd == 'import') $cmd = 'load';
}
if(!preg_match('@^\.?/@',$attr['target'])) $attr['target'] = './'.$attr['target'];
$isRemoteFile = !!preg_match('@^https?://@i', $attr['target']);
$metafile = '';
$pathinfo = pathinfo($attr['target']);
$relativeDir = $this->_getRelativeDir($pathinfo['dirname']);
if(!$isRemoteFile) $attr['target'] = $relativeDir.'/'.$pathinfo['basename'];
switch($pathinfo['extension'])
{
case 'xml':
if($isRemoteFile || $cmd != 'load') return '';
// language file?
if($pathinfo['basename'] == 'lang.xml' && substr($pathinfo['dirname'],-5) == '/lang') {
$result = "<?php Context::loadLang('{$relativeDir}'); ?>";
} else {
$result = "<?php require_once('./classes/xml/XmlJsFilter.class.php');\$__xmlFilter = new XmlJsFilter('{$relativeDir}','{$pathinfo["basename"]}');\$__xmlFilter->compile(); ?>";
}
break;
case 'js':
if($cmd == 'unload') {
$result = "<?php Context::unloadFile('{$attr['target']}','{$attr['targetie']}');";
} else {
$result = "<?php \$__tmp=array('{$attr['target']}','{$attr['media']}','{$attr['targetie']}','{$attr['index']}','{$attr['usecdn']}','{$attr['cdnprefix']}','{$attr['cdnversion']}');Context::loadFile(\$__tmp);unset(\$__tmp); ?>";
}
break;
case 'css':
if($cmd == 'unload') {
$result = "<?php Context::unloadFile('{$attr['target']}','{$attr['targetie']}','{$attr['media']}');";
} else {
$metafile = $attr['target'];
$result = "<?php \$__tmp=array('{$attr['target']}','{$attr['type']}','{$attr['targetie']}','{$attr['index']}','{$attr['usecdn']}','{$attr['cdnprefix']}','{$attr['cdnversion']}');Context::loadFile(\$__tmp);unset(\$__tmp); ?>";
}
break;
}
if($metafile) $result = "<!--#Meta:{$metafile}-->".$result;
return $result;
}
// <!--#include--> or <include ..>
if($m[1]=='include' || $m[3]=='#include')
{
if(!$this->file) return '';
if($m[1]) {
if(!preg_match('@target="(.+?)"@', $m[2], $mm)) return '';
$file = $mm[1];
} else {
$file = $m[4];
}
$pathinfo = pathinfo($file);
$fileDir = $this->_getRelativeDir($pathinfo['dirname']);
if(!$fileDir) return '';
return "<?php echo TemplateHandler::getInstance()->compile('{$fileDir}','{$pathinfo['basename']}') ?>";
}
// <!--%load_js_plugin-->
if($m[3]=='%load_js_plugin')
{
$plugin = $this->_replaceVar($m[4]);
if(strpos($plugin, '$__Context') === false) $plugin = "'{$plugin}'";
return "<?php Context::loadJavascriptPlugin({$plugin}); ?>";
}
// <!--@..--> such as <!--@if($cond)-->, <!--@else-->, <!--@end-->
if($m[6])
{
if(!preg_match('/^(?:(if|switch|for|foreach|while)|(end(?:if|switch|for|foreach|while)?)|(else(?:if)?)|(break@)?(case|default)|(break))$/', $m[6], $mm)) return '';
if($mm[1]) {
$precheck = '';
if($mm[1] == 'foreach') {
$var = preg_replace('/^\s*\(\s*(.+?) .*$/', '$1', $m[7]);
$precheck = "if({$var}&&count({$var}))";
}
return '<?php '.$this->_replaceVar($precheck.$m[6].$m[7]).'{ ?>';
}
if($mm[2]) return "<?php } ?>";
if($mm[3]) return "<?php }{$m[6]}".$this->_replaceVar($m[7])."{ ?>";
if($mm[5]) return "<?php ".($mm[4]?'break;':'')."{$m[6]} ".trim($m[7],'()').": ?>";
if($mm[6]) return "<?php break; ?>";
return '';
}
return $m[0];
}
function _getRelativeDir($path)
{
$fileDir = dirname(realpath($this->file));
if($path{0} != '/') $path = realpath($fileDir.'/'.$path);
$path = preg_replace('/^'.preg_quote(_XE_PATH_,'/').'/', '', $path);
$path = ltrim($path, '/');
return $path;
}
/**
@ -613,191 +607,10 @@
/**
* @brief replace PHP variables of $ character
**/
function _replaceVarInPHP($buff) {
$head = $tail = '';
while(false !== $pos = strpos($buff, '<?php'))
{
$head .= substr($buff,0,$pos);
$buff = substr($buff,$pos);
$pos = strpos($buff,'?>');
$body = substr($buff,0,$pos+2);
$head .= preg_replace_callback('/(.?)\$(\w+[a-z0-9\_\-\[\]\'\"]+)/is',array($this, '_replaceVarString'), $body);
$buff = substr($buff,$pos+2);
function _replaceVar($php) {
if(!$php) return '';
return preg_replace('@(?<!::|\\\\)\$([a-z]|_[a-z0-9])@i', '\$__Context->$1', $php);
}
return $head.$buff;
}
/**
* @brief if class::$variable_name in php5, replace the function not to use context
**/
function _replaceVarString($matches)
{
if($matches[1]==':') return $matches[0];
if(substr($matches[2],0,1)=='_') return $matches[0];
return $matches[1].'$__Context->'.$matches[2];
}
/**
* @brief replace <!--#include $path--> with php code
* @param[in] $matches match
* @return replaced result
**/
function _compileIncludeToCode($matches) {
// if target string to include contains variables handle them
$arg = str_replace(array('"','\''), '', $matches[1]);
if(!$arg) return;
$tmp_arr = explode("/", $arg);
for($i=0;$i<count($tmp_arr);$i++) {
$item1 = trim($tmp_arr[$i]);
if($item1=='.'||substr($item1,-5)=='.html') continue;
$tmp2_arr = explode(".",$item1);
for($j=0;$j<count($tmp2_arr);$j++) {
$item = trim($tmp2_arr[$j]);
if(substr($item,0,1)=='$') $item = Context::get(substr($item,1));
$tmp2_arr[$j] = $item;
}
$tmp_arr[$i] = implode(".",$tmp2_arr);
}
$arg = implode("/",$tmp_arr);
if(substr($arg,0,2)=='./') $arg = substr($arg,2);
// step1: check files in the template directory
//$source_filename = sprintf("%s/%s", dirname($this->file), $arg);
$path = substr($this->path,-1)=='/'?substr($this->path,0,-1):$this->path;
$source_filename = sprintf("%s/%s", $path, $arg);
// step2: check path from root
if(!file_exists($source_filename)) $source_filename = './'.$arg;
if(!file_exists($source_filename)) return;
// split into path and filename
$tmp_arr = explode('/', $source_filename);
$filename = array_pop($tmp_arr);
$path = implode('/', $tmp_arr).'/';
// try to include
$output = sprintf(
'<?php%s'.
'$oTemplate = &TemplateHandler::getInstance();%s'.
'print $oTemplate->compile(\'%s\',\'%s\');%s'.
'?>%s',
"\n",
"\n",
$path, $filename, "\n",
"\n"
);
return $output;
}
/**
* @brief replace $... variables in { } with Context::get(...)
* @param[in] $matches match
* @return replaced result in case of success or NULL in case of error
**/
function _compileVarToContext($matches) {
$str = trim(substr($matches[0],1,strlen($matches[0])-2));
if(!$str) return $matches[0];
if(!in_array(substr($str,0,1),array('(','$','\'','"'))) {
if(preg_match('/^([^\( \.]+)(\(| \.)/i',$str,$m)) {
$func = trim($m[1]);
if(strpos($func,'::')===false) {
if(!function_exists($func)) {
return $matches[0];
}
} else {
list($class, $method) = explode('::',$func);
// FIXME regardless of whether class/func name is case-sensitive, it is safe
// to assume names are case sensitive. We don't have compare twice.
if(!class_exists($class) || !in_array($method, get_class_methods($class))) {
// In some environment, the name of classes and methods may be case-sensitive
list($class, $method) = explode('::',strtolower($func));
if(!class_exists($class) || !in_array($method, get_class_methods($class))) {
return $matches[0];
}
}
}
} else {
if(!defined($str)) return $matches[0];
}
}
return '<?php @print('.preg_replace('/\$([a-zA-Z0-9\_\-\>]+)/i','$__Context->\\1', $str).');?>';
}
/**
* @brief replace @... function in { } into print func(..)
* @param[in] $matches match
* @return replaced result
**/
function _compileVarToSilenceExecute($matches) {
if(strtolower(trim(str_replace(array(';',' '),'', $matches[1])))=='return') return '<?php return; ?>';
return '<?php @'.preg_replace('/\$([a-zA-Z0-9\_\-\>]+)/i','$__Context->\\1', trim($matches[1])).';?>';
}
/**
* @brief replace code in <!--@, --> with php code
* @param[in] $matches match
* @return changed result
**/
function _compileFuncToCode($matches) {
static $idx = 0;
$code = trim($matches[1]);
if(!$code) return;
switch(strtolower($code)) {
case 'else' :
$output = '}else{';
break;
case 'end' :
case 'endif' :
case 'endfor' :
case 'endforeach' :
case 'endswitch' :
$output = '}';
break;
case 'break' :
$output = 'break;';
break;
case 'default' :
$output = 'default :';
break;
case 'break@default' :
$output = 'break; default :';
break;
default :
$suffix = '{';
if(substr($code, 0, 4) == 'else') {
$code = '}'.$code;
} elseif(substr($code, 0, 7) == 'foreach') {
$tmp_str = substr($code, 8);
$tmp_arr = explode(' ', $tmp_str);
$var_name = $tmp_arr[0];
$prefix = '$Context->__idx['.$idx.']=0;';
if(substr($var_name, 0, 1) == '$') {
$prefix .= sprintf('if(count($__Context->%s)) ', substr($var_name, 1));
} else {
$prefix .= sprintf('if(count(%s)) ', $var_name);
}
$idx++;
$suffix .= '$__idx['.$idx.']=($__idx['.$idx.']+1)%2; $cycle_idx = $__idx['.$idx.']+1;';
} elseif(substr($code, 0, 4) == 'case') {
$suffix = ':';
} elseif(substr($code, 0, 10) == 'break@case') {
$code = 'break; case'.substr($code, 10);
$suffix = ':';
}
$output = preg_replace('/\$([a-zA-Z0-9\_\-]+)/i', '$__Context->\\1', $code.$suffix);
break;
}
return sprintf('<?php %s %s ?>', $prefix, $output);
}
/**
* @brief replace xe specific code, "<!--%filename-->" with appropriate php code
@ -889,18 +702,6 @@
return $output;
}
/**
* @brief import javascript plugin
* @param[in] $matches match
* @return result loading the plugin
* @remarks javascript plugin works as optimized = false
**/
function _compileLoadJavascriptPlugin($matches) {
$base_path = $this->path;
$plugin = trim($matches[1]);
return sprintf('<?php Context::loadJavascriptPlugin("%s"); ?>', $plugin);
}
/**
* @brief remove loading part of css/ js file
* @param[in] $matches match

126
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@ -0,0 +1,126 @@
<?php
define('__DEBUG__', 1);
define('_XE_PATH_', realpath(dirname(__FILE__).'/../../../'));
require _XE_PATH_.'/classes/file/FileHandler.class.php';
require _XE_PATH_.'/classes/template/TemplateHandler.class.php';
$_SERVER['SCRIPT_NAME'] = '/xe/index.php';
class TemplateHandlerTest extends PHPUnit_Framework_TestCase
{
var $prefix = '<?php if(!defined("__XE__"))exit;?>';
static public function provider()
{
return array(
// pipe cond
array(
'<a href="#" class="active"|cond="$cond > 10">Link</a>',
'<a href="#"<?php if($__Context->cond > 10){ ?> class="active"<?php } ?>>Link</a>'
),
// cond
array(
'<a href="#">Link1</a><a href="#cond"><span cond="$cond">say, hello</span></a>',
'<a href="#">Link1</a><a href="#cond"><?php if($__Context->cond){ ?><span>say, hello</span><?php } ?></a>'
),
// cond
array(
'<a href="#">Link1</a><a href="#cond" cond="$var==$key">Link2</a>',
'<a href="#">Link1</a><?php if($__Context->var==$__Context->key){ ?><a href="#cond">Link2</a><?php } ?>'
),
// for loop
array(
'<ul><li loop="$i=0;$i<$len;$i++" class="sample"><a>Link</a></li></ul>',
'<ul><?php for($__Context->i=0;$__Context->i<$__Context->len;$__Context->i++){ ?><li class="sample"><a>Link</a></li><?php } ?></ul>'
),
// foreach loop
array(
'<ul><li loop="$arr=>$key,$val" class="sample"><a>Link</a><ul><li loop="$arr2=>$key2,$val2"></li></ul></li></ul>',
'<ul><?php if($__Context->arr&&count($__Context->arr))foreach($__Context->arr as $__Context->key=>$__Context->val){ ?><li class="sample"><a>Link</a><ul><?php if($__Context->arr2&&count($__Context->arr2))foreach($__Context->arr2 as $__Context->key2=>$__Context->val2){ ?><li></li><?php } ?></ul></li><?php } ?></ul>'
),
// while loop
array(
'<ul><li loop="$item=get_loop_item()" class="sample"><a>Link</a></li></ul>',
'<ul><?php while($__Context->item=get_loop_item()){ ?><li class="sample"><a>Link</a></li><?php } ?></ul>'
),
// <!--@if--> ~ <!--@end-->
array(
'<a>Link</a><!--@if($cond)--><strong>Hello, world</strong><!--@end--><dummy />',
'<a>Link</a><?php if($__Context->cond){ ?><strong>Hello, world</strong><?php } ?><dummy />'
),
// <!--@if--> ~ <!--@endif-->
array(
'<a>Link</a><!--@if($cond)--><strong>Hello, {$world}</strong><!--@endif--><dummy />',
'<a>Link</a><?php if($__Context->cond){ ?><strong>Hello, <?php echo $__Context->world ?></strong><?php } ?><dummy />'
),
// <!--@if--> ~ <!--@else--> ~ <!--@endif-->
array(
'<a>Link</a><!--@if($cond)--><strong>Hello, world</strong><!--@else--><em>Wow</em><!--@endif--><dummy />',
'<a>Link</a><?php if($__Context->cond){ ?><strong>Hello, world</strong><?php }else{ ?><em>Wow</em><?php } ?><dummy />'
),
// <!--@if--> ~ <!--@elseif--> ~ <!--@else--> ~ <!--@endif-->
array(
'<a>Link</a><!--@if($cond)--><strong>Hello, world</strong><!--@elseif($cond2)--><u>HaHa</u><!--@else--><em>Wow</em><!--@endif--><dummy />',
'<a>Link</a><?php if($__Context->cond){ ?><strong>Hello, world</strong><?php }elseif($__Context->cond2){ ?><u>HaHa</u><?php }else{ ?><em>Wow</em><?php } ?><dummy />'
),
// <!--@for--> ~ <!--@endfor-->
array(
'<!--@for($i=0;$i<$len;$i++)--><li>Repeat this</li><!--@endfor-->',
'<?php for($__Context->i=0;$__Context->i<$__Context->len;$__Context->i++){ ?><li>Repeat this</li><?php } ?>'
),
// <!--@foreach--> ~ <!--@endforeach-->
array(
'<!--@foreach($arr as $key=>$val)--><li>item{$key} : {$val}</li><!--@endfor-->',
'<?php if($__Context->arr&&count($__Context->arr))foreach($__Context->arr as $__Context->key=>$__Context->val){ ?><li>item<?php echo $__Context->key ?> : <?php echo $__Context->val ?></li><?php } ?>'
),
// <!--@while--> ~ <!--@endwhile-->
array(
'<!--@while($item=$list->getItem())--><a href="{$v->link}">{$v->text}</a><!--@endwhile-->',
'<?php while($__Context->item=$__Context->list->getItem()){ ?><a href="<?php echo $__Context->v->link ?>"><?php echo $__Context->v->text ?></a><?php } ?>'
),
// <!--@switch--> ~ <!--@case--> ~ <!--@break--> ~ <!--@default --> ~ <!--@endswitch-->
array(
'<dummy /><!--@switch($var)--><!--@case("A")-->A<!--@break--><!--@case("B")-->B<!--@break--><!--@default-->C<!--@endswitch--><dummy />',
'<dummy /><?php switch($__Context->var){ ?><?php case "A": ?>A<?php break; ?><?php case "B": ?>B<?php break; ?><?php default : ?>C<?php } ?><dummy />'
),
// {@ ...PHP_CODE...}
array(
'<before />{@$list_page = $page_no}<after />',
'<before /><?php $__Context->list_page = $__Context->page_no ?><after />'
),
// %load_js_plugin
array(
'<dummy /><!--%load_js_plugin("ui")--><dummy />',
'<dummy /><?php Context::loadJavascriptPlugin(\'ui\'); ?><dummy />'
),
// #include
array(
'<dummy /><!--#include("sample.html")--><div>This is another dummy</div>',
'<dummy /><?php echo TemplateHandler::getInstance()->compile(\'tests/classes/template\',\'sample.html\') ?><div>This is another dummy</div>'
),
// <include target="file">
array(
'<dummy /><include target="../sample.html" /><div>This is another dummy</div>',
'<dummy /><?php echo TemplateHandler::getInstance()->compile(\'tests/classes\',\'sample.html\') ?><div>This is another dummy</div>'
),
// <load target="style.css">
array(
'<dummy /><load target="css/style.css" /><dummy />',
'<dummy /><!--#Meta:--><?php ?><dummy />'
),
);
}
/**
* @dataProvider provider
*/
public function testParse($tpl, $expected)
{
$tmpl = new TemplateHandler();
$tmpl->init(dirname(__FILE__), 'sample.html');
$result = $tmpl->parse($tpl, $expected);
$this->assertEquals($result, $this->prefix.$expected);
}
}

1
tests/classes/template/css/style.css Normal file
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@ -0,0 +1 @@
/* only for test */

1
tests/classes/template/sample.html Normal file
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@ -0,0 +1 @@
<!--Only for passing file check-->