mirror of
https://github.com/Lastorder-DC/rhymix.git
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57bdeb6e19
git-svn-id: http://xe-core.googlecode.com/svn/sandbox@7697 201d5d3c-b55e-5fd7-737f-ddc643e51545
360 lines
16 KiB
PHP
360 lines
16 KiB
PHP
<?php
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/**
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* @class TemplateHandler
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* @author NHN (developers@xpressengine.com)
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* @brief comment syntax 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 TemplateParserComment{
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var $oTemplate = null;
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function TemplateParserComment(&$oTemplate) {
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$this->oTemplate = $oTemplate;
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}
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/**
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* @brief compile a template file with comment syntax
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**/
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function parse($buff) {
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// replace include <!--#include($filename)-->
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$buff = preg_replace_callback('!<\!--#include\(([^\)]*?)\)-->!is', array($this, '_compileIncludeToCode'), $buff);
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// replace variables
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$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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return $buff;
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}
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/**
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* @brief replace <!--#include $path--> with php code
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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->oTemplate->file), $arg);
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// step2: check path from root
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if(!file_exists($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 replace $... variables in { } with Context::get(...)
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* @param[in] $matches match
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* @return replaced result in case of success or NULL in case of error
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**/
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function _compileVarToContext($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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// FIXME regardless of whether class/func name is case-sensitive, it is safe
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// to assume names are case sensitive. We don't have compare twice.
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if(!class_exists($class) || !in_array($method, get_class_methods($class))) {
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// In some environment, the name of classes and methods may be case-sensitive
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list($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 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 replace code in <!--@, --> with 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 xe specific code, "<!--%filename-->" with appropriate php code
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* @param[in] $matches match
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* @return Returns modified result or NULL in case of error
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**/
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function _compileImportCode($matches) {
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// find xml file
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$base_path = $this->oTemplate->path;
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$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 = $base_path.$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 = $this->oTemplate->path;
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$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 = $this->oTemplate->path;
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$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);
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else $source_filename = $given_file;
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// get path and file nam
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$tmp_arr = explode("/",$source_filename);
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$filename = array_pop($tmp_arr);
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$base_path = implode("/",$tmp_arr)."/";
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// get an ext.
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$tmp_arr = explode(".",$filename);
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$ext = strtolower(array_pop($tmp_arr));
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switch($ext) {
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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::unloadCSSFile("%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::unloadCSSFile("%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::unloadJsFile("%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::unloadJsFile("%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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return $output;
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}
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}
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?>
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