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File: resources/Smarty/plugins/modifiercompiler.escape.php

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File: resources/Smarty/plugins/modifiercompiler.escape.php
Role: Example script
Content type: text/plain
Description: Example script
Class: Basic Controller Framework
Framework to route requests configured controllers
Author: By
Last change:
Date: 3 months ago
Size: 5,055 bytes
 

Contents

Class file image Download
<?php
/**
 * Smarty plugin
 *
 * @package Smarty
 * @subpackage PluginsModifierCompiler
 */

/**
 * Smarty escape modifier plugin
 * Type: modifier<br>
 * Name: escape<br>
 * Purpose: escape string for output
 *
 * @link http://www.smarty.net/docsv2/en/language.modifier.escape count_characters (Smarty online manual)
 * @author Rodney Rehm
 *
 * @param array $params parameters
 * @param $compiler
 *
 * @return string with compiled code
 */
function smarty_modifiercompiler_escape($params, $compiler)
{
    static
$_double_encode = null;
    static
$is_loaded = false;
    if (!
$is_loaded) {
        if (!
is_callable('smarty_literal_compiler_param')) {
            require_once(
SMARTY_PLUGINS_DIR . 'shared.literal_compiler_param.php');
        }
       
$is_loaded = true;
    }
    if (
$_double_encode === null) {
       
$_double_encode = version_compare(PHP_VERSION, '5.2.3', '>=');
    }

    try {
       
$esc_type = smarty_literal_compiler_param($params, 1, 'html');
       
$char_set = smarty_literal_compiler_param($params, 2, Smarty::$_CHARSET);
       
$double_encode = smarty_literal_compiler_param($params, 3, true);

        if (!
$char_set) {
           
$char_set = Smarty::$_CHARSET;
        }

        switch (
$esc_type) {
            case
'html':
                if (
$_double_encode) {
                    return
'htmlspecialchars(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
                          
var_export($double_encode, true) . ')';
                } elseif (
$double_encode) {
                    return
'htmlspecialchars(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ')';
                } else {
                   
// fall back to modifier.escape.php
               
}

            case
'htmlall':
                if (
Smarty::$_MBSTRING) {
                    if (
$_double_encode) {
                       
// php >=5.2.3 - go native
                       
return 'mb_convert_encoding(htmlspecialchars(' . $params[ 0 ] . ', ENT_QUOTES, ' .
                              
var_export($char_set, true) . ', ' . var_export($double_encode, true) .
                              
'), "HTML-ENTITIES", ' . var_export($char_set, true) . ')';
                    } elseif (
$double_encode) {
                       
// php <5.2.3 - only handle double encoding
                       
return 'mb_convert_encoding(htmlspecialchars(' . $params[ 0 ] . ', ENT_QUOTES, ' .
                              
var_export($char_set, true) . '), "HTML-ENTITIES", ' . var_export($char_set, true) . ')';
                    } else {
                       
// fall back to modifier.escape.php
                   
}
                }

               
// no MBString fallback
               
if ($_double_encode) {
                   
// php >=5.2.3 - go native
                   
return 'htmlentities(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
                          
var_export($double_encode, true) . ')';
                } elseif (
$double_encode) {
                   
// php <5.2.3 - only handle double encoding
                   
return 'htmlentities(' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ')';
                } else {
                   
// fall back to modifier.escape.php
               
}

            case
'url':
                return
'rawurlencode(' . $params[ 0 ] . ')';

            case
'urlpathinfo':
                return
'str_replace("%2F", "/", rawurlencode(' . $params[ 0 ] . '))';

            case
'quotes':
               
// escape unescaped single quotes
               
return 'preg_replace("%(?<!\\\\\\\\)\'%", "\\\'",' . $params[ 0 ] . ')';

            case
'javascript':
               
// escape quotes and backslashes, newlines, etc.
               
return 'strtr(' . $params[ 0 ] .
                      
', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r", "\\n" => "\\\n", "</" => "<\/" ))';
        }
    }
    catch (
SmartyException $e) {
       
// pass through to regular plugin fallback
   
}

   
// could not optimize |escape call, so fallback to regular plugin
   
if ($compiler->template->caching && ($compiler->tag_nocache | $compiler->nocache)) {
       
$compiler->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ 'escape' ][ 'modifier' ][ 'file' ] =
           
SMARTY_PLUGINS_DIR . 'modifier.escape.php';
       
$compiler->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ 'escape' ][ 'modifier' ][ 'function' ] =
           
'smarty_modifier_escape';
    } else {
       
$compiler->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ 'escape' ][ 'modifier' ][ 'file' ] =
           
SMARTY_PLUGINS_DIR . 'modifier.escape.php';
       
$compiler->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ 'escape' ][ 'modifier' ][ 'function' ] =
           
'smarty_modifier_escape';
    }

    return
'smarty_modifier_escape(' . join(', ', $params) . ')';
}