PHP Classes

File: tests/runnable/HTMLPurifier/HTMLPurifier/Bootstrap.php

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  Classes of Nicola Covolo   OPBE   tests/runnable/HTMLPurifier/HTMLPurifier/Bootstrap.php   Download  
File: tests/runnable/HTMLPurifier/HTMLPurifier/Bootstrap.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: OPBE
Ogame probabilistic battle engine
Author: By
Last change:
Date: 10 years ago
Size: 4,341 bytes
 

Contents

Class file image Download
<?php

// constants are slow, so we use as few as possible
if (!defined('HTMLPURIFIER_PREFIX')) {
   
define('HTMLPURIFIER_PREFIX', realpath(dirname(__FILE__) . '/..'));
}

// accomodations for versions earlier than 5.0.2
// borrowed from PHP_Compat, LGPL licensed, by Aidan Lister <aidan@php.net>
if (!defined('PHP_EOL')) {
    switch (
strtoupper(substr(PHP_OS, 0, 3))) {
        case
'WIN':
           
define('PHP_EOL', "\r\n");
            break;
        case
'DAR':
           
define('PHP_EOL', "\r");
            break;
        default:
           
define('PHP_EOL', "\n");
    }
}

/**
 * Bootstrap class that contains meta-functionality for HTML Purifier such as
 * the autoload function.
 *
 * @note
 * This class may be used without any other files from HTML Purifier.
 */
class HTMLPurifier_Bootstrap
{

   
/**
     * Autoload function for HTML Purifier
     * @param $class Class to load
     */
   
public static function autoload($class) {
       
$file = HTMLPurifier_Bootstrap::getPath($class);
        if (!
$file) return false;
       
// Technically speaking, it should be ok and more efficient to
        // just do 'require', but Antonio Parraga reports that with
        // Zend extensions such as Zend debugger and APC, this invariant
        // may be broken. Since we have efficient alternatives, pay
        // the cost here and avoid the bug.
       
require_once HTMLPURIFIER_PREFIX . '/' . $file;
        return
true;
    }

   
/**
     * Returns the path for a specific class.
     */
   
public static function getPath($class) {
        if (
strncmp('HTMLPurifier', $class, 12) !== 0) return false;
       
// Custom implementations
       
if (strncmp('HTMLPurifier_Language_', $class, 22) === 0) {
           
$code = str_replace('_', '-', substr($class, 22));
           
$file = 'HTMLPurifier/Language/classes/' . $code . '.php';
        } else {
           
$file = str_replace('_', '/', $class) . '.php';
        }
        if (!
file_exists(HTMLPURIFIER_PREFIX . '/' . $file)) return false;
        return
$file;
    }

   
/**
     * "Pre-registers" our autoloader on the SPL stack.
     */
   
public static function registerAutoload() {
       
$autoload = array('HTMLPurifier_Bootstrap', 'autoload');
        if ( (
$funcs = spl_autoload_functions()) === false ) {
           
spl_autoload_register($autoload);
        } elseif (
function_exists('spl_autoload_unregister')) {
            if (
version_compare(PHP_VERSION, '5.3.0', '>=')) {
               
// prepend flag exists, no need for shenanigans
               
spl_autoload_register($autoload, true, true);
            } else {
               
$buggy = version_compare(PHP_VERSION, '5.2.11', '<');
               
$compat = version_compare(PHP_VERSION, '5.1.2', '<=') &&
                         
version_compare(PHP_VERSION, '5.1.0', '>=');
                foreach (
$funcs as $func) {
                    if (
$buggy && is_array($func)) {
                       
// :TRICKY: There are some compatibility issues and some
                        // places where we need to error out
                       
$reflector = new ReflectionMethod($func[0], $func[1]);
                        if (!
$reflector->isStatic()) {
                            throw new
Exception('
                                HTML Purifier autoloader registrar is not compatible
                                with non-static object methods due to PHP Bug #44144;
                                Please do not use HTMLPurifier.autoload.php (or any
                                file that includes this file); instead, place the code:
                                spl_autoload_register(array(\'HTMLPurifier_Bootstrap\', \'autoload\'))
                                after your own autoloaders.
                            '
);
                        }
                       
// Suprisingly, spl_autoload_register supports the
                        // Class::staticMethod callback format, although call_user_func doesn't
                       
if ($compat) $func = implode('::', $func);
                    }
                   
spl_autoload_unregister($func);
                }
               
spl_autoload_register($autoload);
                foreach (
$funcs as $func) spl_autoload_register($func);
            }
        }
    }

}

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