préparation de la 0.5
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trunk/HTML/Template/Flexy/Compiler/SmartyConvertor.php
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335
trunk/HTML/Template/Flexy/Compiler/SmartyConvertor.php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Alan Knowles <alan@akbkhome.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id: SmartyConvertor.php,v 1.3 2004/07/03 03:46:43 alan_k Exp $
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//
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// Smarty Conversion compiler
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// takes a smarty template, and converts it to a flexy one.
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// then does a standard flexy compile.
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//
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// anything that is not supported gets changed to HTML comments
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/* Usage:
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a simple script: 'convertsmarty.php'
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#!/usr/bin/php
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$file = $_SERVER['argv'][1];
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$x = new HTML_Template_Flexy(array(
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'compileDir' => dirname(__FILE__) , // where do you want to write to..
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'templateDir' => $dir , // where are your templates
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'locale' => 'en', // works with gettext
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'forceCompile' => true, // only suggested for debugging
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'debug' => false, // prints a few errors
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'nonHTML' => false, // dont parse HTML tags (eg. email templates)
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'allowPHP' => false, // allow PHP in template
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'compiler' => 'SmartyConvertor', // which compiler to use.
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'compileToString' => true, // returns the converted template (rather than actually
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// converting to PHP.
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'filters' => array(), // used by regex compiler..
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'numberFormat' => ",2,'.',','", // default number format = eg. 1,200.00 ( {xxx:n} )
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'flexyIgnore' => 0 // turn on/off the tag to element code
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));
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echo $x->compile(basename($file));
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then run it at the command line:
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php convertsmarty.php /path/to/a/smarty/template.tpl > /path/to/the/flexy/templates.html
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*/
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require_once 'HTML/Template/Flexy/Compiler.php';
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/**
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* The Smarty Converter implementation.
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* designed primarily to be used as above, to convert from one to another.
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* however it could be used inline to convert simple smarty templates into
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* flexy ones - then compile them on the fly.
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*
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* @version $Id: SmartyConvertor.php,v 1.3 2004/07/03 03:46:43 alan_k Exp $
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*/
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class HTML_Template_Flexy_Compiler_SmartyConvertor extends HTML_Template_Flexy_Compiler {
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/**
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* compile implementation
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*
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* see HTML_Template_Flexy_Compiler::compile()
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*
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* @param object The core flexy object.
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* @param string optionally a string to compile.
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*
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* @return true | string string when compiling to String.
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* @access public
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*/
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function compile(&$flexy,$string=false)
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{
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$data = $string;
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if ($string === false) {
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$data = file_get_contents($flexy->currentTemplate);
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}
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$data = $this->convertToFlexy($data);
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if ($flexy->options['compileToString']) {
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return $data;
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}
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require_once 'HTML/Template/Flexy/Compiler/Standard.php';
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$flexyCompiler = new HTML_Template_Flexy_Compiler_Standard;
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$flexyCompiler->compile($flexy,$data);
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return true;
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}
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/**
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* The core work of parsing a smarty template and converting it into flexy.
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*
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* @param string the contents of the smarty template
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*
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* @return string the flexy version of the template.
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* @access public|private
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* @see see also methods.....
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*/
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function convertToFlexy($data)
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{
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$leftq = preg_quote('{', '!');
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$rightq = preg_quote('}', '!');
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preg_match_all("!" . $leftq . "\s*(.*?)\s*" . $rightq . "!s", $data, $matches);
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$tags = $matches[1];
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// find all the tags/text...
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$text = preg_split("!" . $leftq . ".*?" . $rightq . "!s", $data);
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$max_text = count($text);
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$max_tags = count($tags);
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for ($i = 0 ; $i < $max_tags ; $i++) {
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$compiled_tags[] = $this->_compileTag($tags[$i]);
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}
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// error handling for closing tags.
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$data = '';
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for ($i = 0; $i < $max_tags; $i++) {
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$data .= $text[$i].$compiled_tags[$i];
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}
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$data .= $text[$i];
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return $data;
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}
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/**
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* stack for conditional and closers.
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*
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* @var array
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* @access public
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*/
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var $stack = array(
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'if' => 0,
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);
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/**
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* compile a smarty { tag } into a flexy one.
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*
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* @param string the tag
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*
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* @return string the converted version
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* @access private
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*/
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function _compileTag($str)
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{
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// skip comments
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if (($str{0} == '*') && (substr($str,-1,1) == '*')) {
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return '';
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}
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switch($str{0}) {
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case '$':
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// its a var
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return $this->_convertVar($str);
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case '#':
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// its a config var
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return $this->_convertConfigVar($str);
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case '%':
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// wtf does this do
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return "<!-- what is this? $str -->";
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}
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// this is where it gets messy
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// this is very slow - but what the hell
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// - its only done once
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// - its alot more readable than a long regext.
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// - it doesnt infringe on copyright...
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switch(true) {
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case (preg_match('/^config_load\s/', $str)):
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// convert to $t->TemplateConfigLoad()
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$args = $this->convertAttributesToKeyVal(substr($str,strpos( $str,' ')));
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return '{plugin(#smartyConfigLoad#,#'.$args['file'].'#,#'.$args['section'].'#)}';
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case (preg_match('/^include\s/', $str)):
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// convert to $t->TemplateConfigLoad()
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$args = $this->convertAttributesToKeyVal(substr($str,strpos( $str,' ')));
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return '{plugin(#smartyInclude#,#'.$args['file'].'#)}';
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case ($str == 'ldelim'):
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return '{';
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case ($str == 'rdelim'):
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return '}';
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case (preg_match('/^if \$(\S+)$/', $str,$matches)):
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case (preg_match('/^if \$(\S+)\seq\s""$/', $str,$matches)):
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// simple if variable..
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// convert to : {if:sssssss}
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$this->stack['if']++;
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$var = $this->_convertVar('$'.$matches[1]);
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return '{if:'.substr($var,1);
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case (preg_match('/^if #(\S+)#$/', $str,$matches)):
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case (preg_match('/^if #(\S+)#\sne\s""$/', $str,$matches)):
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// simple if variable..
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// convert to : {if:sssssss}
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$this->stack['if']++;
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$var = $this->_convertConfigVar('#'.$matches[1].'#');
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return '{if:'.substr($var,1);
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// negative matches
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case (preg_match('/^if\s!\s\$(\S+)$/', $str,$matches)):
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case (preg_match('/^if \$(\S+)\seq\s""$/', $str,$matches)):
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// simple if variable..
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// convert to : {if:sssssss}
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$this->stack['if']++;
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$var = $this->_convertVar('$'.$matches[1]);
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return '{if:!'.substr($var,1);
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case ($str == 'else'):
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if (!$this->stack['if']) {
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break;
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}
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return '{else:}';
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case ($str == '/if'):
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if (!$this->stack['if']) {
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break;
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}
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$this->stack['if']--;
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return '{end:}';
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}
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return "<!-- UNSUPPORTED TAG: $str FOUND -->";
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}
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/**
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* convert a smarty var into a flexy one.
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*
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* @param string the inside of the smart tag
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*
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* @return string a flexy version of it.
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* @access private
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*/
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function _convertVar($str)
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{
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// look for modfiers first.
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$mods = explode('|', $str);
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$var = array_shift($mods);
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$var = substr($var,1); // strip $
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// various formats :
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// aaaa.bbbb.cccc => aaaa[bbbb][cccc]
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// aaaa[bbbb] => aaa[bbbb]
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// aaaa->bbbb => aaaa.bbbb
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$bits = explode('.',$var);
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$var = array_shift($bits);
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foreach($bits as $k) {
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$var.= '['.$k .']';
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}
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$bits = explode('->',$var);
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$var = implode('.',$bits);
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$mods = implode('|',$mods);
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if (strlen($mods)) {
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return '{plugin(#smartyModifiers#,'.$var.',#'.$mods.'#):h}';
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}
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return '{'.$var .'}' . $mods;
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}
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/**
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* convert a smarty key="value" string into a key value array
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* cheap and cheerfull - doesnt handle spaces inside the strings...
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*
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* @param string the key value part of the tag..
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*
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* @return array key value array
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* @access private
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*/
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function convertAttributesToKeyVal($str)
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{
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$atts = explode(' ', $str);
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$ret = array();
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foreach($atts as $bit) {
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$bits = explode('=',$bit);
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// loose stuff!!!
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if (count($bits) != 2) {
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continue;
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}
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$ret[$bits[0]] = ($bits[1]{0} == '"') ? substr($bits[1],1,-1) : $bits[1];
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}
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return $ret;
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}
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/**
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* convert a smarty config var into a flexy one.
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*
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* @param string the inside of the smart tag
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*
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* @return string a flexy version of it.
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* @access private
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*/
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function _convertConfigVar($str)
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{
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$mods = explode('|', $str);
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$var = array_shift($mods);
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$var = substr($var,1,-1); // strip #'s
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$mods = implode('|',$mods);
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if (strlen($mods)) {
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$mods = "<!-- UNSUPPORTED MODIFIERS: $mods -->";
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}
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return '{configVars.'.$var .'}' . $mods;
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}
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}
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