mirror of
https://github.com/Lastorder-DC/rhymix.git
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146c36df62
git-svn-id: http://xe-core.googlecode.com/svn/sandbox@6837 201d5d3c-b55e-5fd7-737f-ddc643e51545
519 lines
22 KiB
PHP
519 lines
22 KiB
PHP
<?php
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/**
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* @class TemplateHandler
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* @author zero (zero@nzeo.com)
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* @brief template compiler
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* @version 0.1
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* @remarks It compiles template file by using regular expression into php
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* code, and XE caches compiled code for further uses
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**/
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class TemplateHandler extends Handler {
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var $compiled_path = './files/cache/template_compiled/'; ///< path of compiled caches files
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var $tpl_path = ''; ///< target directory
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var $tpl_file = ''; ///< target filename
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/**
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* @brief returns TemplateHandler's singleton object
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* @return TemplateHandler instance
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**/
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function &getInstance() {
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if(__DEBUG__==3 ) {
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if(!isset($GLOBALS['__TemplateHandlerCalled__'])) $GLOBALS['__TemplateHandlerCalled__']=1;
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else $GLOBALS['__TemplateHandlerCalled__']++;
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}
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if(!$GLOBALS['__TemplateHandler__']) {
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$GLOBALS['__TemplateHandler__'] = new TemplateHandler();
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}
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return $GLOBALS['__TemplateHandler__'];
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}
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/**
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* @brief compiles specified tpl file
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* @param[in] $tpl_path path of the directory containing target template file
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* @param[in] $tpl_filename target template file's name
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* @param[in] $tpl_file if specified use it as template file's full path
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* @return compiled result
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*/
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function compile($tpl_path, $tpl_filename, $tpl_file = '') {
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// store the starting time for debug information
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if(__DEBUG__==3 ) $start = getMicroTime();
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// verify arguments
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if(substr($tpl_path,-1)!='/') $tpl_path .= '/';
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if(substr($tpl_filename,-5)!='.html') $tpl_filename .= '.html';
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// create tpl_file variable
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if(!$tpl_file) $tpl_file = $tpl_path.$tpl_filename;
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// if target file does not exist return
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if(!$tpl_file || !file_exists(FileHandler::getRealPath($tpl_file))) return;
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$this->tpl_path = preg_replace('/^\.\//','',$tpl_path);
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$this->tpl_file = $tpl_file;
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// get cached compiled file name
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$compiled_tpl_file = FileHandler::getRealPath($this->_getCompiledFileName($tpl_file));
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// compile
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$buff = $this->_compile($tpl_file, $compiled_tpl_file);
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// make a result, combining Context and compiled_tpl_file
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$output = $this->_fetch($compiled_tpl_file, $buff, $tpl_path);
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if(__DEBUG__==3 ) $GLOBALS['__template_elapsed__'] += getMicroTime() - $start;
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return $output;
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}
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/**
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* @brief compile specified file and immediately return
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* @param[in] $tpl_path path of the directory containing target template file
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* @param[in] $tpl_filename target template file's name
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* @return
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**/
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function compileDirect($tpl_path, $tpl_filename) {
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$this->tpl_path = $tpl_path;
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$this->tpl_file = $tpl_file;
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$tpl_file = $tpl_path.$tpl_filename;
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if(!file_exists($tpl_file)) return;
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return $this->_compileTplFile($tpl_file);
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}
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/**
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* @brief compile if necessary
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* @param[in] $tpl_path path of the directory containing target template file
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* @param[in] $tpl_filename target template file's name
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* @return if compiled file exists and it is newer than template file return nothing, otherwise compiled result
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**/
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function _compile($tpl_file, $compiled_tpl_file) {
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if(!file_exists($compiled_tpl_file)) return $this->_compileTplFile($tpl_file, $compiled_tpl_file);
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$source_ftime = filemtime(FileHandler::getRealPath($tpl_file));
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$target_ftime = filemtime($compiled_tpl_file);
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if($source_ftime>$target_ftime || $target_ftime < filemtime(_XE_PATH_.'classes/template/TemplateHandler.class.php') ) return $this->_compileTplFile($tpl_file, $compiled_tpl_file);
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}
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/**
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* @brief compile tpl_file file
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* @param[in] $tpl_file path of tpl file
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* @param[in] $compiled_tpl_file if specified, write compiled result into the file
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* @return compiled result
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**/
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function _compileTplFile($tpl_file, $compiled_tpl_file = '') {
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// read tpl file
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$buff = FileHandler::readFile($tpl_file);
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if(!$buff) return;
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// replace include <!--#include($filename)-->
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$buff = preg_replace_callback('!<\!--#include\(([^\)]*?)\)-->!is', array($this, '_compileIncludeToCode'), $buff);
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// if value of src in img/input tag starts with ./ or with filename replace the path
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$buff = preg_replace_callback('/<(img|input)([^>]*)src=[\'"]{1}(.*?)[\'"]{1}/is', array($this, '_compileImgPath'), $buff);
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// replace variables
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$buff = preg_replace_callback('/\{[^@^ ]([^\{\}\n]+)\}/i', array($this, '_compileVarToContext'), $buff);
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// replace parts not displaying results
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$buff = preg_replace_callback('/\{\@([^\{\}]+)\}/i', array($this, '_compileVarToSilenceExecute'), $buff);
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// replace <!--@, -->
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$buff = preg_replace_callback('!<\!--@(.*?)-->!is', array($this, '_compileFuncToCode'), $buff);
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// remove comments <!--// ~ -->
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$buff = preg_replace('!(\n?)( *?)<\!--//(.*?)-->!is', '', $buff);
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// import xml filter/ css/ js/ files <!--%import("filename"[,optimized=true|false][,media="media"][,targetie="lt IE 6|IE 7|gte IE 8|..."])--> (media is applied to only css)
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$buff = preg_replace_callback('!<\!--%import\(\"([^\"]*?)\"(,optimized\=(true|false))?(,media\=\"([^\"]*)\")?(,targetie=\"([^\"]*)\")?\)-->!is', array($this, '_compileImportCode'), $buff);
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// unload css/ js <!--%unload("filename"[,optimized=true|false][,media="media"][,targetie="lt IE 6|IE 7|gte IE 8|..."])--> (media is applied to only css)
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$buff = preg_replace_callback('!<\!--%unload\(\"([^\"]*?)\"(,optimized\=(true|false))?(,media\=\"([^\"]*)\")?(,targetie=\"([^\"]*)\")?\)-->!is', array($this, '_compileUnloadCode'), $buff);
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// javascript plugin import
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$buff = preg_replace_callback('!<\!--%load_js_plugin\(\"([^\"]*?)\"\)-->!is', array($this, '_compileLoadJavascriptPlugin'), $buff);
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// prevent from calling directly before writing into file
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$buff = sprintf('%s%s%s','<?php if(!defined("__ZBXE__")) exit();?>',"\n",$buff);
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// write compiled code into file
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if($compiled_tpl_file) FileHandler::writeFile($compiled_tpl_file, $buff);
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return $buff;
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}
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/**
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* @brief replace $... variables in { } into Context::get(...)
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* @param[in] $matches match
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* @return replaced result
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**/
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function _compileVarToContext($matches) {
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$str = trim(substr($matches[0],1,strlen($matches[0])-2));
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if(!$str) return $matches[0];
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if(!in_array(substr($str,0,1),array('(','$','\'','"'))) {
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if(preg_match('/^([^\( \.]+)(\(| \.)/i',$str,$m)) {
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$func = trim($m[1]);
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if(strpos($func,'::')===false) {
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if(!function_exists($func)) {
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return $matches[0];
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}
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} else {
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list($class, $method) = explode('::',$func);
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if(!class_exists($class) || !in_array($method, get_class_methods($class))) {
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// within some environment, name of classes and methods may be case-sensitive
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list($class, $method) = explode('::',strtolower($func));
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if(!class_exists($class) || !in_array($method, get_class_methods($class))) {
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return $matches[0];
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}
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}
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}
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} else {
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if(!defined($str)) return $matches[0];
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}
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}
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return '<?php @print('.preg_replace('/\$([a-zA-Z0-9\_\-\>]+)/i','$__Context->\\1', $str).');?>';
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}
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/**
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* @brief change image path
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* @param[in] $matches match
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* @return changed result
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**/
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function _compileImgPath($matches) {
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static $real_path = null;
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$str1 = $matches[0];
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$str2 = $path = trim($matches[3]);
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if(substr($path,0,1)=='/' || substr($path,0,1)=='{' || strpos($path,'://')!==false) return $str1;
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if(substr($path,0,2)=='./') $path = substr($path,2);
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if(is_null($real_path)) {
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$url = parse_url(Context::getRequestUri());
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$real_path = $url['path'];
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}
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$target = $real_path.$this->tpl_path.$path;
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while(strpos($target,'/../')!==false) {
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$target = preg_replace('/\/([^\/]+)\/\.\.\//','/',$target);
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}
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return str_replace($str2, $target, $str1);
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}
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/**
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* @brief replace @... function in { } into print func(..)
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* @param[in] $matches match
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* @return replaced result
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**/
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function _compileVarToSilenceExecute($matches) {
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if(strtolower(trim(str_replace(array(';',' '),'', $matches[1])))=='return') return '<?php return; ?>';
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return '<?php @'.preg_replace('/\$([a-zA-Z0-9\_\-\>]+)/i','$__Context->\\1', trim($matches[1])).';?>';
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}
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/**
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* @brief changed content in <!--@, --> into php code
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* @param[in] $matches match
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* @return changed result
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**/
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function _compileFuncToCode($matches) {
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static $idx = 0;
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$code = trim($matches[1]);
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if(!$code) return;
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switch(strtolower($code)) {
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case 'else' :
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$output = '}else{';
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break;
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case 'end' :
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case 'endif' :
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case 'endfor' :
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case 'endforeach' :
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case 'endswitch' :
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$output = '}';
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break;
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case 'break' :
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$output = 'break;';
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break;
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case 'default' :
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$output = 'default :';
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break;
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case 'break@default' :
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$output = 'break; default :';
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break;
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default :
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$suffix = '{';
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if(substr($code, 0, 4) == 'else') {
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$code = '}'.$code;
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} elseif(substr($code, 0, 7) == 'foreach') {
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$tmp_str = substr($code, 8);
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$tmp_arr = explode(' ', $tmp_str);
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$var_name = $tmp_arr[0];
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$prefix = '$Context->__idx['.$idx.']=0;';
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if(substr($var_name, 0, 1) == '$') {
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$prefix .= sprintf('if(count($__Context->%s)) ', substr($var_name, 1));
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} else {
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$prefix .= sprintf('if(count(%s)) ', $var_name);
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}
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$idx++;
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$suffix .= '$__idx['.$idx.']=($__idx['.$idx.']+1)%2; $cycle_idx = $__idx['.$idx.']+1;';
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} elseif(substr($code, 0, 4) == 'case') {
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$suffix = ':';
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} elseif(substr($code, 0, 10) == 'break@case') {
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$code = 'break; case'.substr($code, 10);
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$suffix = ':';
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}
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$output = preg_replace('/\$([a-zA-Z0-9\_\-]+)/i', '$__Context->\\1', $code.$suffix);
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break;
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}
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return sprintf('<?php %s %s ?>', $prefix, $output);
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}
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/**
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* @brief replace <!--#include $path-->
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* @param[in] $matches match
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* @return replaced result
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**/
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function _compileIncludeToCode($matches) {
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// if target string to include contains variables handle them
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$arg = str_replace(array('"','\''), '', $matches[1]);
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if(!$arg) return;
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$tmp_arr = explode("/", $arg);
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for($i=0;$i<count($tmp_arr);$i++) {
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$item1 = trim($tmp_arr[$i]);
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if($item1=='.'||substr($item1,-5)=='.html') continue;
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$tmp2_arr = explode(".",$item1);
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for($j=0;$j<count($tmp2_arr);$j++) {
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$item = trim($tmp2_arr[$j]);
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if(substr($item,0,1)=='$') $item = Context::get(substr($item,1));
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$tmp2_arr[$j] = $item;
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}
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$tmp_arr[$i] = implode(".",$tmp2_arr);
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}
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$arg = implode("/",$tmp_arr);
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if(substr($arg,0,2)=='./') $arg = substr($arg,2);
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// step1: check files in the template directory
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$source_filename = sprintf("%s/%s", dirname($this->tpl_file), $arg);
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// step2: check path from root2단계로 root로부터 경로를 체크
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if(!file_exists($source_filename)) $source_filename = './'.$arg;
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if(!file_exists($source_filename)) return;
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// split into path and filename
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$tmp_arr = explode('/', $source_filename);
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$filename = array_pop($tmp_arr);
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$path = implode('/', $tmp_arr).'/';
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// try to include
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$output = sprintf(
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'<?php%s'.
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'$oTemplate = &TemplateHandler::getInstance();%s'.
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'print $oTemplate->compile(\'%s\',\'%s\');%s'.
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'?>%s',
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"\n",
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"\n",
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$path, $filename, "\n",
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"\n"
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);
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return $output;
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}
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/**
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* @brief modify to include js filter/ css/ js according to extension of <!--%filename-->
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* @param[in] $matches match
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* @return modified result
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**/
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function _compileImportCode($matches) {
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// find xml file
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$base_path = $this->tpl_path;
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$given_file = trim($matches[1]);
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if(!$given_file) return;
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if(isset($matches[3])) $optimized = strtolower(trim($matches[3]));
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if(!$optimized) $optimized = 'true';
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if(isset($matches[5])) $media = trim($matches[5]);
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if(!$media) $media = 'all';
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if(isset($matches[7])) $targetie = trim($matches[7]);
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if(!$targetie) $targetie = '';
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else $optimized = 'false';
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// if given_file ends with lang, load language pack
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if(substr($given_file, -4)=='lang') {
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if(substr($given_file,0,2)=='./') $given_file = substr($given_file, 2);
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$lang_dir = sprintf('%s%s', $this->tpl_path, $given_file);
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if(is_dir($lang_dir)) $output = sprintf('<?php Context::loadLang("%s"); ?>', $lang_dir);
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// otherwise try to load xml, css, js file
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} else {
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if(substr($given_file,0,1)!='/') $source_filename = sprintf("%s%s",$base_path, $given_file);
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else $source_filename = $given_file;
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// get filename and path
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$tmp_arr = explode("/",$source_filename);
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$filename = array_pop($tmp_arr);
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$base_path = implode("/",$tmp_arr)."/";
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// get the ext
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$tmp_arr = explode(".",$filename);
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$ext = strtolower(array_pop($tmp_arr));
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// according to ext., import the file
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switch($ext) {
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// xml js filter
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case 'xml' :
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// create an instance of XmlJSFilter class, then create js and handle Context::addJsFile
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$output = sprintf(
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'<?php%s'.
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'require_once("./classes/xml/XmlJsFilter.class.php");%s'.
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'$oXmlFilter = new XmlJSFilter("%s","%s");%s'.
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'$oXmlFilter->compile();%s'.
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'?>%s',
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"\n",
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"\n",
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$base_path,
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$filename,
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"\n",
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"\n",
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"\n"
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);
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break;
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// css file
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case 'css' :
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if(preg_match('/^(http|\/)/i',$source_filename)) {
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$output = sprintf('<?php Context::addCSSFile("%s", %s, "%s", "%s"); ?>', $source_filename, 'false', $media, $targetie);
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} else {
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$meta_file = sprintf('%s%s', $base_path, $filename);
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$output = sprintf('<?php Context::addCSSFile("%s%s", %s, "%s", "%s"); ?>', $base_path, $filename, $optimized, $media, $targetie);
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}
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break;
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// js file
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case 'js' :
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if(preg_match('/^(http|\/)/i',$source_filename)) {
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$output = sprintf('<?php Context::addJsFile("%s", %s, "%s"); ?>', $source_filename, 'false', $targetie);
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} else {
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$meta_file = sprintf('%s%s', $base_path, $filename);
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$output = sprintf('<?php Context::addJsFile("%s%s", %s, "%s"); ?>', $base_path, $filename, $optimized, $targetie);
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}
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break;
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}
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}
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if($meta_file) $output = '<!--Meta:'.$meta_file.'-->'.$output;
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return $output;
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}
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/**
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* @brief import javascript plugin
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* @param[in] $matches match
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* @return result loading the plugin
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* @remarks javascript plugin works as optimized = false
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**/
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function _compileLoadJavascriptPlugin($matches) {
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$base_path = $this->tpl_path;
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$plugin = trim($matches[1]);
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return sprintf('<?php Context::loadJavascriptPlugin("%s"); ?>', $plugin);
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}
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/**
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* @brief remove loading part of css/ js file
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* @param[in] $matches match
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* @return removed result
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**/
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function _compileUnloadCode($matches) {
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// find xml file
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$base_path = $this->tpl_path;
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$given_file = trim($matches[1]);
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if(!$given_file) return;
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if(isset($matches[3])) $optimized = strtolower(trim($matches[3]));
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if(!$optimized) $optimized = 'true';
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if(isset($matches[5])) $media = trim($matches[5]);
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if(!$media) $media = 'all';
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if(isset($matches[7])) $targetie = trim($matches[7]);
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if(!$targetie) $targetie = '';
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else $optimized = 'false';
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if(substr($given_file,0,1)!='/') $source_filename = sprintf("%s%s",$base_path, $given_file);
|
|
else $source_filename = $given_file;
|
|
|
|
// get path and file name
|
|
$tmp_arr = explode("/",$source_filename);
|
|
$filename = array_pop($tmp_arr);
|
|
|
|
$base_path = implode("/",$tmp_arr)."/";
|
|
|
|
// get an ext.
|
|
$tmp_arr = explode(".",$filename);
|
|
$ext = strtolower(array_pop($tmp_arr));
|
|
|
|
switch($ext) {
|
|
// css file
|
|
case 'css' :
|
|
if(preg_match('/^(http|\/)/i',$source_filename)) {
|
|
$output = sprintf('<?php Context::unloadCSSFile("%s", %s, "%s", "%s"); ?>', $source_filename, 'false', $media, $targetie);
|
|
} else {
|
|
$meta_file = sprintf('%s%s', $base_path, $filename);
|
|
$output = sprintf('<?php Context::unloadCSSFile("%s%s", %s, "%s", "%s"); ?>', $base_path, $filename, $optimized, $media, $targetie);
|
|
}
|
|
break;
|
|
// js file
|
|
case 'js' :
|
|
if(preg_match('/^(http|\/)/i',$source_filename)) {
|
|
$output = sprintf('<?php Context::unloadJsFile("%s", %s, "%s"); ?>', $source_filename, 'false', $targetie);
|
|
} else {
|
|
$meta_file = sprintf('%s%s', $base_path, $filename);
|
|
$output = sprintf('<?php Context::unloadJsFile("%s%s", %s, "%s"); ?>', $base_path, $filename, $optimized, $targetie);
|
|
}
|
|
break;
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* @brief return compiled_tpl_file's name accroding to template file name
|
|
* @param[in] $tpl_file template file name
|
|
* @return compiled template file's name
|
|
**/
|
|
function _getCompiledFileName($tpl_file) {
|
|
return sprintf('%s%s.compiled.php',$this->compiled_path, md5($tpl_file));
|
|
}
|
|
|
|
/**
|
|
* @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] $tpl_path set context's tpl path
|
|
* @return result string
|
|
**/
|
|
function _fetch($compiled_tpl_file, $buff = NULL, $tpl_path = '') {
|
|
$__Context = &$GLOBALS['__Context__'];
|
|
$__Context->tpl_path = $tpl_path;
|
|
|
|
if($_SESSION['is_logged']) $__Context->logged_info = $_SESSION['logged_info'];
|
|
|
|
ob_start();
|
|
|
|
if($buff) {
|
|
$eval_str = "?>".$buff;
|
|
eval($eval_str);
|
|
} else {
|
|
@include($compiled_tpl_file);
|
|
}
|
|
|
|
return ob_get_clean();
|
|
}
|
|
}
|
|
?>
|