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PATH: home / letacommog / letaweb / admin / classes / htmlpurifier / library / HTMLPurifier

<?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)
    {
        $file = self::getPath($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')) {
            $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);
            }
        }
    }
}

// vim: et sw=4 sts=4

[+] ..
[+] ConfigSchema
[-] CSSDefinition.php [edit]
[-] Generator.php [edit]
[-] ElementDef.php [edit]
[-] AttrTypes.php [edit]
[+] ChildDef
[+] AttrDef
[-] ChildDef.php [edit]
[+] Printer
[-] Exception.php [edit]
[-] PercentEncoder.php [edit]
[+] Lexer
[-] IDAccumulator.php [edit]
[-] Token.php [edit]
[+] TagTransform
[-] AttrTransform.php [edit]
[-] Language.php [edit]
[-] Filter.php [edit]
[-] Printer.php [edit]
[-] DefinitionCache.php [edit]
[-] Injector.php [edit]
[-] TokenFactory.php [edit]
[-] URISchemeRegistry.php [edit]
[-] Length.php [edit]
[-] URIParser.php [edit]
[-] AttrCollections.php [edit]
[-] Lexer.php [edit]
[-] HTMLDefinition.php [edit]
[-] Context.php [edit]
[-] DefinitionCacheFactory.php [edit]
[-] Doctype.php [edit]
[+] Strategy
[-] LanguageFactory.php [edit]
[+] Token
[-] TagTransform.php [edit]
[-] AttrValidator.php [edit]
[+] Filter
[-] ErrorCollector.php [edit]
[-] DoctypeRegistry.php [edit]
[-] UnitConverter.php [edit]
[-] EntityParser.php [edit]
[-] URIScheme.php [edit]
[-] Bootstrap.php [edit]
[-] StringHashParser.php [edit]
[+] VarParser
[-] VarParserException.php [edit]
[-] EntityLookup.php [edit]
[-] ErrorStruct.php [edit]
[-] HTMLModule.php [edit]
[-] Definition.php [edit]
[-] PropertyList.php [edit]
[+] URIFilter
[-] Strategy.php [edit]
[-] AttrDef.php [edit]
[+] HTMLModule
[+] URIScheme
[-] Config.php [edit]
[-] HTMLModuleManager.php [edit]
[-] Encoder.php [edit]
[+] AttrTransform
[-] URI.php [edit]
[-] ContentSets.php [edit]
[-] ConfigSchema.php [edit]
[+] EntityLookup
[-] VarParser.php [edit]
[+] Language
[-] PropertyListIterator.php [edit]
[+] DefinitionCache
[-] StringHash.php [edit]
[+] Injector
[-] URIDefinition.php [edit]
[-] URIFilter.php [edit]