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365 lines
10 KiB
PHTML
365 lines
10 KiB
PHTML
5 years ago
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<?php
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/**
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* SmartTemplateParser Class
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* Used by SmartTemplate Class
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*
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* @desc Used by SmartTemplate Class
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* @author Philipp v. Criegern philipp@criegern.com
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* @author Manuel 'EndelWar' Dalla Lana endelwar@aregar.it
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* @version 1.2.1 03.07.2006
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*
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* CVS ID: $Id: class.smarttemplateparser.php 2504 2011-12-28 07:35:29Z liu21st $
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*/
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class SmartTemplateParser
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{
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/**
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* The template itself
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*
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* @access private
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*/
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var $template;
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/**
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* The template filename used to extract the dirname for subtemplates
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*
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* @access private
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*/
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var $template_dir;
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/**
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* List of used SmartTemplate Extensions
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*
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* @access private
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*/
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var $extension_tagged = array();
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/**
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* Error messages
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*
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* @access public
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*/
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var $error;
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/**
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* SmartTemplateParser Constructor
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*
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* @param string $template_filename HTML Template Filename
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*/
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function SmartTemplateParser ( $template_filename )
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{
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// Load Template
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if ($hd = @fopen($template_filename, "r"))
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{
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if (filesize($template_filename))
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{
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$this->template = fread($hd, filesize($template_filename));
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}
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else
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{
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$this->template = "SmartTemplate Parser Error: File size is zero byte: '$template_filename'";
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}
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fclose($hd);
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// Extract the name of the template directory
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$this->template_dir = dirname($template_filename);
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}
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else
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{
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$this->template = "SmartTemplate Parser Error: File not found: '$template_filename'";
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}
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}
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/**
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* Main Template Parser
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*
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* @param string $compiled_template_filename Compiled Template Filename
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* @desc Creates Compiled PHP Template
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*/
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function compile( $compiled_template_filename = '' )
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{
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if (empty($this->template))
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{
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return;
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}
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/* Quick hack to allow subtemplates */
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if(eregi("<!-- INCLUDE", $this->template))
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{
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while ($this->count_subtemplates() > 0)
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{
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preg_match_all('/<!-- INCLUDE ([a-zA-Z0-9_.]+) -->/', $this->template, $tvar);
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foreach($tvar[1] as $subfile)
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{
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if(file_exists($this->template_dir . "/$subfile"))
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{
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$subst = implode('',file($this->template_dir . "/$subfile"));
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}
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else
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{
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$subst = 'SmartTemplate Parser Error: Subtemplate not found: \''.$subfile.'\'';
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}
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$this->template = str_replace("<!-- INCLUDE $subfile -->", $subst, $this->template);
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}
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}
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}
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// END, ELSE Blocks
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$page = preg_replace("/<!-- ENDIF.+?-->/", "<?php\n}\n?>", $this->template);
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$page = preg_replace("/<!-- END[ a-zA-Z0-9_.]* -->/", "<?php\n}\n\$_obj=\$_stack[--\$_stack_cnt];}\n?>", $page);
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$page = str_replace("<!-- ELSE -->", "<?php\n} else {\n?>", $page);
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// 'BEGIN - END' Blocks
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if (preg_match_all('/<!-- BEGIN ([a-zA-Z0-9_.]+) -->/', $page, $var))
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{
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foreach ($var[1] as $tag)
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{
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list($parent, $block) = $this->var_name($tag);
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$code = "<?php\n"
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. "if (!empty(\$$parent"."['$block'])){\n"
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. "if (!is_array(\$$parent"."['$block']))\n"
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. "\$$parent"."['$block']=array(array('$block'=>\$$parent"."['$block']));\n"
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. "\$_tmp_arr_keys=array_keys(\$$parent"."['$block']);\n"
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. "if (\$_tmp_arr_keys[0]!='0')\n"
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. "\$$parent"."['$block']=array(0=>\$$parent"."['$block']);\n"
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. "\$_stack[\$_stack_cnt++]=\$_obj;\n"
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. "foreach (\$$parent"."['$block'] as \$rowcnt=>\$$block) {\n"
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. "\$$block"."['ROWCNT']=\$rowcnt;\n"
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. "\$$block"."['ALTROW']=\$rowcnt%2;\n"
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. "\$$block"."['ROWBIT']=\$rowcnt%2;\n"
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. "\$_obj=&\$$block;\n?>";
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$page = str_replace("<!-- BEGIN $tag -->", $code, $page);
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}
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}
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// 'IF nnn=mmm' Blocks
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if (preg_match_all('/<!-- (ELSE)?IF ([a-zA-Z0-9_.]+)[ ]*([!=<>]+)[ ]*(["]?[^"]*["]?) -->/', $page, $var))
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{
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foreach ($var[2] as $cnt => $tag)
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{
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list($parent, $block) = $this->var_name($tag);
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$cmp = $var[3][$cnt];
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$val = $var[4][$cnt];
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$else = ($var[1][$cnt] == 'ELSE') ? '} else' : '';
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if ($cmp == '=')
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{
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$cmp = '==';
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}
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if (preg_match('/"([^"]*)"/',$val,$matches))
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{
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$code = "<?php\n$else"."if (\$$parent"."['$block'] $cmp \"".$matches[1]."\"){\n?>";
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}
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elseif (preg_match('/([^"]*)/',$val,$matches))
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{
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list($parent_right, $block_right) = $this->var_name($matches[1]);
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$code = "<?php\n$else"."if (\$$parent"."['$block'] $cmp \$$parent_right"."['$block_right']){\n?>";
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}
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$page = str_replace($var[0][$cnt], $code, $page);
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}
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}
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// 'IF nnn' Blocks
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if (preg_match_all('/<!-- (ELSE)?IF ([a-zA-Z0-9_.]+) -->/', $page, $var))
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{
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foreach ($var[2] as $cnt => $tag)
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{
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$else = ($var[1][$cnt] == 'ELSE') ? '} else' : '';
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list($parent, $block) = $this->var_name($tag);
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$code = "<?php\n$else"."if (!empty(\$$parent"."['$block'])){\n?>";
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$page = str_replace($var[0][$cnt], $code, $page);
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}
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}
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// Replace Scalars
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if (preg_match_all('/{([a-zA-Z0-9_. >]+)}/', $page, $var))
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{
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foreach ($var[1] as $fulltag)
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{
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// Determin Command (echo / $obj[n]=)
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list($cmd, $tag) = $this->cmd_name($fulltag);
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list($block, $skalar) = $this->var_name($tag);
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$code = "<?php\n$cmd \$$block"."['$skalar'];\n?>\n";
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$page = str_replace('{'.$fulltag.'}', $code, $page);
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}
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}
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// ROSI Special: Replace Translations
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if (preg_match_all('/<"([a-zA-Z0-9_.]+)">/', $page, $var))
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{
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foreach ($var[1] as $tag)
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{
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list($block, $skalar) = $this->var_name($tag);
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$code = "<?php\necho gettext('$skalar');\n?>\n";
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$page = str_replace('<"'.$tag.'">', $code, $page);
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}
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}
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// Include Extensions
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$header = '';
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if (preg_match_all('/{([a-zA-Z0-9_]+):([^}]*)}/', $page, $var))
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{
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foreach ($var[2] as $cnt => $tag)
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{
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// Determin Command (echo / $obj[n]=)
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list($cmd, $tag) = $this->cmd_name($tag);
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$extension = $var[1][$cnt];
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if (!isset($this->extension_tagged[$extension]))
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{
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$header .= "include_once \"smarttemplate_extensions/smarttemplate_extension_$extension.php\";\n";
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$this->extension_tagged[$extension] = true;
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}
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if (!strlen($tag))
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{
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$code = "<?php\n$cmd smarttemplate_extension_$extension();\n?>\n";
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}
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elseif (substr($tag, 0, 1) == '"')
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{
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$code = "<?php\n$cmd smarttemplate_extension_$extension($tag);\n?>\n";
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}
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elseif (strpos($tag, ','))
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{
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list($tag, $addparam) = explode(',', $tag, 2);
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list($block, $skalar) = $this->var_name($tag);
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if (preg_match('/^([a-zA-Z_]+)/', $addparam, $match))
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{
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$nexttag = $match[1];
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list($nextblock, $nextskalar) = $this->var_name($nexttag);
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$addparam = substr($addparam, strlen($nexttag));
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$code = "<?php\n$cmd smarttemplate_extension_$extension(\$$block"."['$skalar'],\$$nextblock"."['$nextskalar']"."$addparam);\n?>\n";
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}
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else
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{
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$code = "<?php\n$cmd smarttemplate_extension_$extension(\$$block"."['$skalar'],$addparam);\n?>\n";
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}
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}
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else
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{
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list($block, $skalar) = $this->var_name($tag);
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$code = "<?php\n$cmd smarttemplate_extension_$extension(\$$block"."['$skalar']);\n?>\n";
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}
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$page = str_replace($var[0][$cnt], $code, $page);
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}
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}
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// Add Include Header
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if (isset($header) && !empty($header))
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{
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$page = "<?php\n$header\n?>$page";
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}
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// Store Code to Temp Dir
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if (strlen($compiled_template_filename))
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{
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if ($hd = fopen($compiled_template_filename, "w"))
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{
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fwrite($hd, $page);
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fclose($hd);
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return true;
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}
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else
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{
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$this->error = "Could not write compiled file.";
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return false;
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}
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}
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else
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{
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return $page;
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}
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}
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/**
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* Splits Template-Style Variable Names into an Array-Name/Key-Name Components
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* {example} : array( "_obj", "example" ) -> $_obj['example']
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* {example.value} : array( "_obj['example']", "value" ) -> $_obj['example']['value']
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* {example.0.value} : array( "_obj['example'][0]", "value" ) -> $_obj['example'][0]['value']
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* {top.example} : array( "_stack[0]", "example" ) -> $_stack[0]['example']
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* {parent.example} : array( "_stack[$_stack_cnt-1]", "example" ) -> $_stack[$_stack_cnt-1]['example']
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* {parent.parent.example} : array( "_stack[$_stack_cnt-2]", "example" ) -> $_stack[$_stack_cnt-2]['example']
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*
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* @param string $tag Variale Name used in Template
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* @return array Array Name, Key Name
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* @access private
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* @desc Splits Template-Style Variable Names into an Array-Name/Key-Name Components
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*/
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function var_name($tag)
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{
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$parent_level = 0;
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while (substr($tag, 0, 7) == 'parent.')
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{
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$tag = substr($tag, 7);
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$parent_level++;
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}
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if (substr($tag, 0, 4) == 'top.')
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{
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$obj = '_stack[0]';
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$tag = substr($tag,4);
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}
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elseif ($parent_level)
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{
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$obj = '_stack[$_stack_cnt-'.$parent_level.']';
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}
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else
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{
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$obj = '_obj';
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}
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while (is_int(strpos($tag, '.')))
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{
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list($parent, $tag) = explode('.', $tag, 2);
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if (is_numeric($parent))
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{
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$obj .= "[" . $parent . "]";
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}
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else
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{
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$obj .= "['" . $parent . "']";
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}
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}
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$ret = array($obj, $tag);
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return $ret;
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}
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/**
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* Determine Template Command from Variable Name
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* {variable} : array( "echo", "variable" ) -> echo $_obj['variable']
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* {variable > new_name} : array( "_obj['new_name']=", "variable" ) -> $_obj['new_name']= $_obj['variable']
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*
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* @param string $tag Variale Name used in Template
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* @return array Array Command, Variable
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* @access private
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* @desc Determine Template Command from Variable Name
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*/
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function cmd_name($tag)
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{
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if (preg_match('/^(.+) > ([a-zA-Z0-9_.]+)$/', $tag, $tagvar))
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{
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$tag = $tagvar[1];
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list($newblock, $newskalar) = $this->var_name($tagvar[2]);
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$cmd = "\$$newblock"."['$newskalar']=";
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}
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else
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{
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$cmd = "echo";
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}
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$ret = array($cmd, $tag);
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return $ret;
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}
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/**
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* @return int Number of subtemplate included
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||
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* @access private
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||
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* @desc Count number of subtemplates included in current template
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||
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*/
|
||
|
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function count_subtemplates()
|
||
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{
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preg_match_all('/<!-- INCLUDE ([a-zA-Z0-9_.]+) -->/', $this->template, $tvar);
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$count_subtemplates = count($tvar[1]);
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||
|
|
$ret = intval($count_subtemplates);
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|