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smarty_internal_smartytemplatecompiler.php
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smarty_internal_smartytemplatecompiler.php
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<?php
/**
* Smarty Internal Plugin Smarty Template Compiler Base
*
* This file contains the basic classes and methodes for compiling Smarty templates with lexer/parser
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Class SmartyTemplateCompiler
*/
class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase {
/**
* Initialize compiler
*/
public function __construct($lexer_class, $parser_class, $smarty)
{
$this->smarty = $smarty;
parent::__construct();
// get required plugins
$this->lexer_class = $lexer_class;
$this->parser_class = $parser_class;
}
/**
* Methode to compile a Smarty template
*
* @param $_content template source
* @return bool true if compiling succeeded, false if it failed
*/
protected function doCompile($_content)
{
/* here is where the compiling takes place. Smarty
tags in the templates are replaces with PHP code,
then written to compiled files. */
// init the lexer/parser to compile the template
$lex = new $this->lexer_class($_content,$this->smarty);
$parser = new $this->parser_class($lex, $this);
// $parser->PrintTrace();
// get tokens from lexer and parse them
while ($lex->yylex() && !$this->abort_and_recompile) {
// echo "Line {$lex->line} Parsing {$parser->yyTokenName[$lex->token]} Token <pre>".htmlentities($lex->value)."</pre>";
$parser->doParse($lex->token, $lex->value);
}
if ($this->abort_and_recompile) {
// exit here on abort
return false;
}
// finish parsing process
$parser->doParse(0, 0);
// check for unclosed tags
if (count($this->_tag_stack) > 0) {
// get stacked info
list($_open_tag, $_data) = array_pop($this->_tag_stack);
$this->trigger_template_error("unclosed {" . $_open_tag . "} tag");
}
if (!$this->compile_error) {
// return compiled code
return str_replace(array("?>\n<?php","?><?php"), array('',''), $parser->retvalue);
} else {
// compilation error
return false;
}
}
}
?>

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