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File: libs/smarty/sysplugins/smarty_internal_compile_extends.php

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File: libs/smarty/sysplugins/smarty_internal_compile_extends.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: 2,823 bytes
 

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<?php

/**
 * Smarty Internal Plugin Compile extend
 * Compiles the {extends} tag
 *
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile extend Class
 *
 * @package Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Extends extends Smarty_Internal_CompileBase
{
   
/**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
   
public $required_attributes = array('file');
   
/**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
   
public $shorttag_order = array('file');

   
/**
     * Compiles code for the {extends} tag
     *
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     *
     * @return string compiled code
     */
   
public function compile($args, $compiler)
    {
       
// check and get attributes
       
$_attr = $this->getAttributes($compiler, $args);
        if (
$_attr['nocache'] === true) {
           
$compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);
        }
        if (
strpos($_attr['file'], '$_tmp') !== false) {
           
$compiler->trigger_template_error('illegal value for file attribute', $compiler->lex->taglineno);
        }

       
$name = $_attr['file'];
       
/** @var Smarty_Internal_Template $_smarty_tpl
         * used in evaluated code
         */
       
$_smarty_tpl = $compiler->template;
        eval(
"\$tpl_name = $name;");
       
// create template object
       
$_template = new $compiler->smarty->template_class($tpl_name, $compiler->smarty, $compiler->template);
       
// check for recursion
       
$uid = $_template->source->uid;
        if (isset(
$compiler->extends_uid[$uid])) {
           
$compiler->trigger_template_error("illegal recursive call of \"$include_file\"", $compiler->lex->line - 1);
        }
       
$compiler->extends_uid[$uid] = true;
        if (empty(
$_template->source->components)) {
           
array_unshift($compiler->sources, $_template->source);
        } else {
            foreach (
$_template->source->components as $source) {
               
array_unshift($compiler->sources, $source);
               
$uid = $source->uid;
                if (isset(
$compiler->extends_uid[$uid])) {
                   
$compiler->trigger_template_error("illegal recursive call of \"{$source->filepath}\"", $compiler->lex->line - 1);
                }
               
$compiler->extends_uid[$uid] = true;
            }
        }
        unset (
$_template);
       
$compiler->inheritance_child = true;
       
$compiler->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBODY);
        return
'';
    }
}

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