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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
*/
/**
* @ignore
*/
include ("smarty_internal_parsetree.php");
/**
* Class SmartyTemplateCompiler
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase {
/**
* Lexer class name
*
* @var string
*/
public $lexer_class;
/**
* Parser class name
*
* @var string
*/
public $parser_class;
/**
* Lexer object
*
* @var object
*/
public $lex;
/**
* Parser object
*
* @var object
*/
public $parser;
/**
* Smarty object
*
* @var object
*/
public $smarty;
/**
* array of vars which can be compiled in local scope
*
* @var array
*/
public $local_var = array();
/**
* Initialize compiler
*
* @param string $lexer_class class name
* @param string $parser_class class name
* @param Smarty $smarty global instance
*/
public function __construct($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 mixed $_content template source
* @return bool true if compiling succeeded, false if it failed
*/
protected function doCompile($_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
$this->lex = new $this->lexer_class($_content, $this);
$this->parser = new $this->parser_class($this->lex, $this);
if ($this->smarty->_parserdebug)
$this->parser->PrintTrace();
// get tokens from lexer and parse them
while ($this->lex->yylex() && !$this->abort_and_recompile) {
if ($this->smarty->_parserdebug) {
echo "<pre>Line {$this->lex->line} Parsing {$this->parser->yyTokenName[$this->lex->token]} Token " .
htmlentities($this->lex->value) . "</pre>";
}
$this->parser->doParse($this->lex->token, $this->lex->value);
}
if ($this->abort_and_recompile) {
// exit here on abort
return false;
}
// finish parsing process
$this->parser->doParse(0, 0);
// check for unclosed tags
if (count($this->_tag_stack) > 0) {
// get stacked info
list($openTag, $_data) = array_pop($this->_tag_stack);
$this->trigger_template_error("unclosed {" . $openTag . "} tag");
}
// return compiled code
// return str_replace(array("? >\n<?php","? ><?php"), array('',''), $this->parser->retvalue);
return $this->parser->retvalue;
}
}
?>
|
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