<?php
/**
 * Load all internal libraries and setup class autoloader
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */

// setup class autoloader
spl_autoload_register('load_autoload');

// require all the common libraries
// for a few of these order does matter
require_once(DOKU_INC.'inc/actions.php');
require_once(DOKU_INC.'inc/changelog.php');
require_once(DOKU_INC.'inc/common.php');
require_once(DOKU_INC.'inc/confutils.php');
require_once(DOKU_INC.'inc/pluginutils.php');
require_once(DOKU_INC.'inc/events.php');
require_once(DOKU_INC.'inc/form.php');
require_once(DOKU_INC.'inc/fulltext.php');
require_once(DOKU_INC.'inc/html.php');
require_once(DOKU_INC.'inc/httputils.php');
require_once(DOKU_INC.'inc/indexer.php');
require_once(DOKU_INC.'inc/infoutils.php');
require_once(DOKU_INC.'inc/io.php');
require_once(DOKU_INC.'inc/mail.php');
require_once(DOKU_INC.'inc/media.php');
require_once(DOKU_INC.'inc/pageutils.php');
require_once(DOKU_INC.'inc/parserutils.php');
require_once(DOKU_INC.'inc/search.php');
require_once(DOKU_INC.'inc/subscription.php');
require_once(DOKU_INC.'inc/template.php');
require_once(DOKU_INC.'inc/toolbar.php');
require_once(DOKU_INC.'inc/utf8.php');
require_once(DOKU_INC.'inc/auth.php');
require_once(DOKU_INC.'inc/compatibility.php');

/**
 * spl_autoload_register callback
 *
 * Contains a static list of DokuWiki's core classes and automatically
 * require()s their associated php files when an object is instantiated.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @todo   add generic loading of renderers and auth backends
 *
 * @param string $name
 *
 * @return bool
 */
function load_autoload($name){
    static $classes = null;
    if(is_null($classes)) $classes = array(
        'DokuHTTPClient'        => DOKU_INC.'inc/HTTPClient.php',
        'HTTPClient'            => DOKU_INC.'inc/HTTPClient.php',
        'JSON'                  => DOKU_INC.'inc/JSON.php',
        'Diff'                  => DOKU_INC.'inc/DifferenceEngine.php',
        'UnifiedDiffFormatter'  => DOKU_INC.'inc/DifferenceEngine.php',
        'TableDiffFormatter'    => DOKU_INC.'inc/DifferenceEngine.php',
        'cache'                 => DOKU_INC.'inc/cache.php',
        'cache_parser'          => DOKU_INC.'inc/cache.php',
        'cache_instructions'    => DOKU_INC.'inc/cache.php',
        'cache_renderer'        => DOKU_INC.'inc/cache.php',
        'Doku_Event'            => DOKU_INC.'inc/events.php',
        'Doku_Event_Handler'    => DOKU_INC.'inc/events.php',
        'Input'                 => DOKU_INC.'inc/Input.class.php',
        'JpegMeta'              => DOKU_INC.'inc/JpegMeta.php',
        'SimplePie'             => DOKU_INC.'inc/SimplePie.php',
        'FeedParser'            => DOKU_INC.'inc/FeedParser.php',
        'IXR_Server'            => DOKU_INC.'inc/IXR_Library.php',
        'IXR_Client'            => DOKU_INC.'inc/IXR_Library.php',
        'IXR_Error'             => DOKU_INC.'inc/IXR_Library.php',
        'IXR_IntrospectionServer' => DOKU_INC.'inc/IXR_Library.php',
        'Doku_Plugin_Controller'=> DOKU_INC.'inc/plugincontroller.class.php',
        'Doku_Parser_Mode'      => DOKU_INC.'inc/parser/parser.php',
        'Doku_Parser_Mode_Plugin' => DOKU_INC.'inc/parser/parser.php',
        'SafeFN'                => DOKU_INC.'inc/SafeFN.class.php',
        'Sitemapper'            => DOKU_INC.'inc/Sitemapper.php',
        'PassHash'              => DOKU_INC.'inc/PassHash.class.php',
        'Mailer'                => DOKU_INC.'inc/Mailer.class.php',
        'RemoteAPI'             => DOKU_INC.'inc/remote.php',
        'RemoteAPICore'         => DOKU_INC.'inc/RemoteAPICore.php',
        'Subscription'          => DOKU_INC.'inc/subscription.php',

        'DokuWiki_PluginInterface' => DOKU_INC.'inc/PluginInterface.php',
        'DokuWiki_PluginTrait'     => DOKU_INC.'inc/PluginTrait.php',
        'DokuWiki_Plugin'          => DOKU_INC.'inc/Plugin.php',


        'DokuWiki_Action_Plugin' => DOKU_PLUGIN.'action.php',
        'DokuWiki_Admin_Plugin'  => DOKU_PLUGIN.'admin.php',
        'DokuWiki_Syntax_Plugin' => DOKU_PLUGIN.'syntax.php',
        'DokuWiki_Remote_Plugin' => DOKU_PLUGIN.'remote.php',
        'DokuWiki_Auth_Plugin'   => DOKU_PLUGIN.'auth.php',
        'DokuWiki_CLI_Plugin'    => DOKU_PLUGIN.'cli.php',

        'Doku_Renderer'          => DOKU_INC.'inc/parser/renderer.php',
        'Doku_Renderer_xhtml'    => DOKU_INC.'inc/parser/xhtml.php',
        'Doku_Renderer_code'     => DOKU_INC.'inc/parser/code.php',
        'Doku_Renderer_xhtmlsummary' => DOKU_INC.'inc/parser/xhtmlsummary.php',
        'Doku_Renderer_metadata' => DOKU_INC.'inc/parser/metadata.php',

        'DokuCLI'                => DOKU_INC.'inc/cli.php',
        'DokuCLI_Options'        => DOKU_INC.'inc/cli.php',
        'DokuCLI_Colors'         => DOKU_INC.'inc/cli.php',

    );

    if(isset($classes[$name])){
        require ($classes[$name]);
        return true;
    }

    // namespace to directory conversion
    $name = str_replace('\\', '/', $name);

    // plugin namespace
    if(substr($name, 0, 16) == 'dokuwiki/plugin/') {
        $name = str_replace('/test/', '/_test/', $name); // no underscore in test namespace
        $file = DOKU_PLUGIN . substr($name, 16) . '.php';
        if(file_exists($file)) {
            require $file;
            return true;
        }
    }

    // template namespace
    if(substr($name, 0, 18) == 'dokuwiki/template/') {
        $name = str_replace('/test/', '/_test/', $name); // no underscore in test namespace
        $file = DOKU_INC.'lib/tpl/' . substr($name, 18) . '.php';
        if(file_exists($file)) {
            require $file;
            return true;
        }
    }

    // our own namespace
    if(substr($name, 0, 9) == 'dokuwiki/') {
        $file = DOKU_INC . 'inc/' . substr($name, 9) . '.php';
        if(file_exists($file)) {
            require $file;
            return true;
        }
    }

    // Plugin loading
    if(preg_match('/^(auth|helper|syntax|action|admin|renderer|remote|cli)_plugin_('.DOKU_PLUGIN_NAME_REGEX.')(?:_([^_]+))?$/',
                  $name, $m)) {
        // try to load the wanted plugin file
        $c = ((count($m) === 4) ? "/{$m[3]}" : '');
        $plg = DOKU_PLUGIN . "{$m[2]}/{$m[1]}$c.php";
        if(file_exists($plg)){
            require $plg;
        }
        return true;
    }
    return false;
}