<?php

namespace WPDT;

// constants are slow, so we use as few as possible
if (!\defined('HTMLPURIFIER_PREFIX')) {
    \define('HTMLPURIFIER_PREFIX', \realpath(\dirname(__FILE__) . '/..'));
}
// accommodations 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 string $class Class to load
     * @return bool
     */
    public static function autoload($class)
    {
        $file = \WPDT\HTMLPurifier_Bootstrap::getPath($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.
     * @param string $class Class path to get
     * @return string
     */
    public static function getPath($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()
    {
        $autoload = array('HTMLPurifier_Bootstrap', 'autoload');
        if (\spl_autoload_functions() === \false) {
            \spl_autoload_register($autoload);
        } else {
            // prepend flag exists, no need for shenanigans
            \spl_autoload_register($autoload, \true, \true);
        }
    }
}
// vim: et sw=4 sts=4
