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