mirror of
https://github.com/Lastorder-DC/rhymix.git
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aea9de4d88
git-svn-id: http://xe-core.googlecode.com/svn/sandbox@7701 201d5d3c-b55e-5fd7-737f-ddc643e51545
326 lines
9 KiB
PHP
326 lines
9 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 tag 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 TemplateParserTag{
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var $oTemplate = null;
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function TemplateParserTag(&$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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// loop 템플릿 문법을 변환
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$buff = $this->_replaceLoop($buff);
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// |cond 템플릿 문법을 변환
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$buff = preg_replace_callback('/<([a-z]+)([^>\|]*)\|cond=\"([^\"]+)\"([^>]*)>/is', array($this, '_replacePipeCond'), $buff);
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// cond 템플릿 문법을 변환
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$buff = $this->_replaceCond($buff);
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// include 태그의 변환
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$buff = preg_replace_callback('!<include ([^>]+)>!is', array($this, '_replaceInclude'), $buff);
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// unload/ load 태그의 변환
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$buff = preg_replace_callback('!<(unload|load) ([^>]+)>!is', array($this, '_replaceLoad'), $buff);
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// 가상 태그인 block의 변환
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$buff = preg_replace('/<block([ ]*)>|<\/block>/is','',$buff);
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// 컴파일 결과물 return
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return $buff;
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}
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/**
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* @brief 경로 변경
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**/
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/**
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* @brief loop 문법의 변환
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**/
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function _replaceLoop($buff)
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{
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while(false !== $pos = strpos($buff, ' loop="'))
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{
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$pre = substr($buff,0,$pos);
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$next = substr($buff,$pos);
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$pre_pos = strrpos($pre, '<');
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preg_match('/^ loop="([^"]+)"/i',$next,$m);
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$tag = substr($next,0,strlen($m[0]));
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$next = substr($next,strlen($m[0]));
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$next_pos = strpos($next, '<');
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$tag = substr($pre, $pre_pos). $tag. substr($next, 0, $next_pos);
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$pre = substr($pre, 0, $pre_pos);
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$next = substr($next, $next_pos);
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$tag_name = trim(substr($tag,1,strpos($tag,' ')));
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$tag_head = $tag_tail = '';
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preg_match_all('/ loop="([^"]+)"/is',$tag,$m);
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$tag = preg_replace('/ loop="([^"]+)"/is','', $tag);
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for($i=0,$c=count($m[0]);$i<$c;$i++)
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{
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$loop = $m[1][$i];
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if(false!== $fpos = strpos($loop,'=>'))
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{
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$target = trim(substr($loop,0,$fpos));
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$vars = trim(substr($loop,$fpos+2));
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if(false===strpos($vars,','))
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{
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$tag_head .= '<?php if(count('.$target.')) { foreach('.$target.' as '.$vars.') { ?>';
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$tag_tail .= '<?php } } ?>';
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}
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else
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{
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$t = explode(',',$vars);
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$tag_head .= '<?php if(count('.$target.')) { foreach('.$target.' as '.trim($t[0]).' => '.trim($t[1]).') { ?>';
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$tag_tail .= '<?php } } ?>';
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}
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}
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elseif(false!==strpos($loop,';'))
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{
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$tag_head .= '<?php for('.$loop.'){ ?>';
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$tag_tail .= '<?php } ?>';
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}
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else
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{
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$t = explode('=',$loop);
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if(count($t)==2)
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{
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$tag_head .= '<?php while('.trim($t[0]).' = '.trim($t[1]).') { ?>';
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$tag_tail .= '<?php } ?>';
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}
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}
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}
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if(substr(trim($tag),-2)!='/>')
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{
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while(false !== $close_pos = strpos($next, '</'.$tag_name))
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{
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$tmp_buff = substr($next, 0, $close_pos+strlen('</'.$tag_name.'>'));
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$tag .= $tmp_buff;
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$next = substr($next, strlen($tmp_buff));
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if(false === strpos($tmp_buff, '<'.$tag_name)) break;
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}
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}
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for($i=0,$c=count($loop_var);$i<$c;$i++)
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{
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$k = $loop_var[$i];
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$tag_head = str_replace($k, 'context->'.$k,$tag_head);
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}
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preg_match_all('/(.?)(\$[a-z0-9\_]+)/i',$loop,$lm);
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for($i=0,$c=count($lm[1]);$i<$c;$i++)
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{
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$h = trim($lm[1][$i]);
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$k = trim($lm[2][$i]);
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if($h==':'||$h=='>') continue;
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if($target && $k == $target) continue;
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$tag_head = str_replace($k, '$_'.substr($k,1), $tag_head);
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$tag = str_replace($k, '$_'.substr($k,1), $tag);
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}
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$buff = $pre.$tag_head.$tag.$tag_tail.$next;
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}
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return $buff;
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}
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/**
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* @brief pipe cond, |cond= 의 변환
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**/
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function _replacePipeCond($matches)
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{
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$tag = $matches[1];
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if(preg_match_all('/ ([^=]+)=\"([^"]+)\"/is', $matches[2], $m))
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{
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$t = array_pop($m[0]);
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return '<'.$matches[1].implode($m[0],' ').' <?php if('.$matches[3].'){?>'.$t.'<?php }?> '.$matches[4].'>';
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}
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return $matches[0];
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}
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/**
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* @brief cond 문법의 변환
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**/
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function _replaceCond($buff)
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{
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while(false !== $pos = strpos($buff, ' cond="'))
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{
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$pre = substr($buff,0,$pos);
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$next = substr($buff,$pos);
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$pre_pos = strrpos($pre, '<');
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$next_pos = strpos($next, '<');
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$tag = substr($pre, $pre_pos). substr($next, 0, $next_pos);
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$pre = substr($pre, 0, $pre_pos);
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$next = substr($next, $next_pos);
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$tag_name = trim(substr($tag,1,strpos($tag,' ')));
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$tag_head = $tag_tail = '';
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if(preg_match_all('/ cond=\"([^\"]+)"/is',$tag,$m))
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{
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for($i=0,$c=count($m[0]);$i<$c;$i++)
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{
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$tag_head .= '<?php if('.$m[1][$i].') { ?>';
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$tag_tail .= '<?php } ?>';
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}
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}
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$tag = preg_replace('/ cond="([^"]+)"/is','', $tag);
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if(substr(trim($tag),-2)=='/>')
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{
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$buff = $pre.$tag_head.$tag.$tag_tail.$next;
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}
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else
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{
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while(false !== $close_pos = strpos($next, '</'.$tag_name))
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{
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$tmp_buff = substr($next, 0, $close_pos+strlen('</'.$tag_name.'>'));
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$tag .= $tmp_buff;
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$next = substr($next, strlen($tmp_buff));
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if(false === strpos($tmp_buff, '<'.$tag_name)) break;
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}
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$buff = $pre.$tag_head.$tag.$tag_tail.$next;
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}
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}
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return $buff;
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}
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/**
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* @brief 다른 template파일을 include하는 include tag의 변환
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**/
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function _replaceInclude($matches)
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{
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if(!preg_match('/target=\"([^\"]+)\"/is',$matches[0], $m)) throw new Exception('"target" attribute missing in "'.htmlspecialchars($matches[0]).'"');
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$target = $m[1];
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if(substr($target,0,1)=='/')
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{
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$target = substr($target,1);
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$pos = strrpos('/',$target);
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$filename = substr($target,$pos+1);
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$path = substr($target,0,$pos);
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} else {
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if(substr($target,0,2)=='./') $target = substr($target,2);
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$pos = strrpos('/',$target);
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$filename = substr($target,$pos);
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$path = substr($target,0,$pos);
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}
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return 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, $filename, "\n",
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"\n"
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);
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}
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/**
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* @brief load 태그의 변환
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**/
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function _replaceLoad($matches) {
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$output = $matches[0];
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if(!preg_match_all('/ ([^=]+)=\"([^\"]+)\"/is',$matches[0], $m)) return $matches[0];
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$type = $matches[1];
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for($i=0,$c=count($m[1]);$i<$c;$i++)
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{
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if(!trim($m[1][$i])) continue;
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$attrs[trim($m[1][$i])] = trim($m[2][$i]);
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}
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if(!$attrs['target']) return $matches[0];
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$web_path = $this->oTemplate->web_path;
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$base_path = $this->oTemplate->path;
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$target = $attrs['target'];
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if(substr($target,0,2)=='./') $target = substr($target,2);
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if(!substr($target,0,1)!='/') $target = $web_path.$target;
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// if target ends with lang, load language pack
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if(substr($target, -4)=='lang') {
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if(substr($target,0,2)=='./') $target = substr($target, 2);
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$lang_dir = $base_path.$target;
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if(is_dir($lang_dir)) $output = sprintf('<?php Context::loadLang("%s"); ?>', $lang_dir);
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// otherwise try to load xml, css, js file
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} else {
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if(substr($target,0,1)!='/') $source_filename = $base_path.$target;
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else $source_filename = $target;
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// get filename and path
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$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)) $source_filename = $base_path.$filename;
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if($type == 'unload') $output = '<?php Context::unloadCSSFile("'.$source_filename.'"); ?>';
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else $output = '<?php Context::addCSSFile("'.$source_filename.'"); ?>';
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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)) $source_filename = $base_path.$filename;
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if($type == 'unload') $output = '<?php Context::unloadJsFile("'.$source_filename.'"); ?>';
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else $output = '<?php Context::addJsFile("'.$source_filename.'"); ?>';
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break;
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}
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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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