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File: libs/smarty/sysplugins/smarty_internal_smartytemplatecompiler.php

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File: libs/smarty/sysplugins/smarty_internal_smartytemplatecompiler.php
Role: Auxiliary script
Content type: text/plain
Description: smarty lib
Class: MVC 4 Dummies
Web development PHP MVC framework
Author: By
Last change:
Date: 7 years ago
Size: 3,891 bytes
 

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Class file image Download
<?php
/**
 * Smarty Internal Plugin Smarty Template Compiler Base
 * This file contains the basic classes and methods 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;
    }

   
/**
     * method 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->inheritance_child) {
           
// start state on child templates
           
$this->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBODY);
        }
        if (
function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
           
$mbEncoding = mb_internal_encoding();
           
mb_internal_encoding('ASCII');
        } else {
           
$mbEncoding = null;
        }

        if (
$this->smarty->_parserdebug) {
           
$this->parser->PrintTrace();
           
$this->lex->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);
        if (
$mbEncoding) {
           
mb_internal_encoding($mbEncoding);
        }
       
// check for unclosed tags
       
if (count($this->_tag_stack) > 0) {
           
// get stacked info
           
list($openTag, $_data) = array_pop($this->_tag_stack);
           
$this->trigger_template_error("unclosed {$this->smarty->left_delimiter}" . $openTag . "{$this->smarty->right_delimiter} tag");
        }
       
// return compiled code
        // return str_replace(array("? >\n<?php","? ><?php"), array('',''), $this->parser->retvalue);
       
return $this->parser->retvalue;
    }
}

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