/framework/vendor/smarty3/lib/libs/sysplugins/smarty_internal_smartytemplatecompiler.php

 1<?php
 2
 3/**
 4* Smarty Internal Plugin Smarty Template Compiler Base
 5* 
 6* This file contains the basic classes and methodes for compiling Smarty templates with lexer/parser
 7* 
 8* @package Smarty
 9* @subpackage Compiler
10* @author Uwe Tews 
11*/
12require_once("smarty_internal_parsetree.php");
13/**
14* Class SmartyTemplateCompiler
15*/
16class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase {
17    /**
18    * Initialize compiler
19    */
20    public function __construct($lexer_class, $parser_class, $smarty)
21    {
22        $this->smarty = $smarty;
23        parent::__construct(); 
24        // get required plugins
25        $this->lexer_class = $lexer_class;
26        $this->parser_class = $parser_class;
27    } 
28
29    /**
30    * Methode to compile a Smarty template
31    * 
32    * @param  $_content template source
33    * @return bool true if compiling succeeded, false if it failed
34    */
35    protected function doCompile($_content)
36    {
37        /* here is where the compiling takes place. Smarty
38       tags in the templates are replaces with PHP code,
39       then written to compiled files. */ 
40        // init the lexer/parser to compile the template
41        $this->lex = new $this->lexer_class($_content, $this);
42        $this->parser = new $this->parser_class($this->lex, $this); 
43        if (isset($this->smarty->_parserdebug)) $this->parser->PrintTrace();
44        // get tokens from lexer and parse them
45        while ($this->lex->yylex() && !$this->abort_and_recompile) {
46            if (isset($this->smarty->_parserdebug)) echo "<pre>Line {$this->lex->line} Parsing  {$this->parser->yyTokenName[$this->lex->token]} Token ".htmlentities($this->lex->value)."</pre>";
47            $this->parser->doParse($this->lex->token, $this->lex->value);
48        } 
49
50        if ($this->abort_and_recompile) {
51            // exit here on abort
52            return false;
53        } 
54        // finish parsing process
55        $this->parser->doParse(0, 0); 
56        // check for unclosed tags
57        if (count($this->_tag_stack) > 0) {
58            // get stacked info
59            list($_open_tag, $_data) = array_pop($this->_tag_stack);
60            $this->trigger_template_error("unclosed {" . $_open_tag . "} tag");
61        } 
62
63        if (!$this->compile_error) {
64            // return compiled code
65            // return str_replace(array("? >\n<?php","? ><?php"), array('',''), $this->parser->retvalue);
66            return $this->parser->retvalue;
67        } else {
68            // compilation error
69            return false;
70        } 
71    } 
72} 
73
74?>