xref: /dokuwiki/inc/load.php (revision 4ec0f22bed519f692fe435ee4272b9a427d9ce28) 
1<?php
2/**
3 * Load all internal libraries and setup class autoloader
4 *
5 * @author Andreas Gohr <andi@splitbrain.org>
6 */
7
8use dokuwiki\Extension\PluginController;
9
10// setup class autoloader
11spl_autoload_register('load_autoload');
12
13// require all the common libraries
14// for a few of these order does matter
15require_once(DOKU_INC.'inc/defines.php');
16require_once(DOKU_INC.'inc/actions.php');
17require_once(DOKU_INC.'inc/changelog.php');
18require_once(DOKU_INC.'inc/common.php');
19require_once(DOKU_INC.'inc/confutils.php');
20require_once(DOKU_INC.'inc/pluginutils.php');
21require_once(DOKU_INC.'inc/form.php');
22require_once(DOKU_INC.'inc/fulltext.php');
23require_once(DOKU_INC.'inc/html.php');
24require_once(DOKU_INC.'inc/httputils.php');
25require_once(DOKU_INC.'inc/indexer.php');
26require_once(DOKU_INC.'inc/infoutils.php');
27require_once(DOKU_INC.'inc/io.php');
28require_once(DOKU_INC.'inc/mail.php');
29require_once(DOKU_INC.'inc/media.php');
30require_once(DOKU_INC.'inc/pageutils.php');
31require_once(DOKU_INC.'inc/parserutils.php');
32require_once(DOKU_INC.'inc/search.php');
33require_once(DOKU_INC.'inc/template.php');
34require_once(DOKU_INC.'inc/toolbar.php');
35require_once(DOKU_INC.'inc/utf8.php');
36require_once(DOKU_INC.'inc/auth.php');
37require_once(DOKU_INC.'inc/compatibility.php');
38require_once(DOKU_INC.'inc/deprecated.php');
39require_once(DOKU_INC.'inc/legacy.php');
40
41/**
42 * spl_autoload_register callback
43 *
44 * Contains a static list of DokuWiki's core classes and automatically
45 * require()s their associated php files when an object is instantiated.
46 *
47 * @author Andreas Gohr <andi@splitbrain.org>
48 * @todo   add generic loading of renderers and auth backends
49 *
50 * @param string $name
51 *
52 * @return bool
53 */
54function load_autoload($name){
55    static $classes = null;
56    if($classes === null) $classes = array(
57        'Diff'                  => DOKU_INC.'inc/DifferenceEngine.php',
58        'UnifiedDiffFormatter'  => DOKU_INC.'inc/DifferenceEngine.php',
59        'TableDiffFormatter'    => DOKU_INC.'inc/DifferenceEngine.php',
60        'cache'                 => DOKU_INC.'inc/cache.php',
61        'cache_parser'          => DOKU_INC.'inc/cache.php',
62        'cache_instructions'    => DOKU_INC.'inc/cache.php',
63        'cache_renderer'        => DOKU_INC.'inc/cache.php',
64        'Input'                 => DOKU_INC.'inc/Input.class.php',
65        'JpegMeta'              => DOKU_INC.'inc/JpegMeta.php',
66        'SimplePie'             => DOKU_INC.'inc/SimplePie.php',
67        'FeedParser'            => DOKU_INC.'inc/FeedParser.php',
68        'SafeFN'                => DOKU_INC.'inc/SafeFN.class.php',
69        'Sitemapper'            => DOKU_INC.'inc/Sitemapper.php',
70        'Mailer'                => DOKU_INC.'inc/Mailer.class.php',
71
72        'Doku_Handler'          => DOKU_INC.'inc/parser/handler.php',
73        'Doku_Renderer'          => DOKU_INC.'inc/parser/renderer.php',
74        'Doku_Renderer_xhtml'    => DOKU_INC.'inc/parser/xhtml.php',
75        'Doku_Renderer_code'     => DOKU_INC.'inc/parser/code.php',
76        'Doku_Renderer_xhtmlsummary' => DOKU_INC.'inc/parser/xhtmlsummary.php',
77        'Doku_Renderer_metadata' => DOKU_INC.'inc/parser/metadata.php',
78    );
79
80    if(isset($classes[$name])){
81        require ($classes[$name]);
82        return true;
83    }
84
85    // namespace to directory conversion
86    $name = str_replace('\\', '/', $name);
87
88    // test namespace
89    if(substr($name, 0, 14) === 'dokuwiki/test/') {
90        $file = DOKU_INC . '_test/' . substr($name, 14) . '.php';
91        if(file_exists($file)) {
92            require $file;
93            return true;
94        }
95    }
96
97    // plugin namespace
98    if(substr($name, 0, 16) === 'dokuwiki/plugin/') {
99        $name = str_replace('/test/', '/_test/', $name); // no underscore in test namespace
100        $file = DOKU_PLUGIN . substr($name, 16) . '.php';
101        if(file_exists($file)) {
102            try {
103                require $file;
104            } catch (\Throwable $e) {
105                \dokuwiki\ErrorHandler::showExceptionMsg($e, "Error loading plugin $name");
106            }
107            return true;
108        }
109    }
110
111    // template namespace
112    if(substr($name, 0, 18) === 'dokuwiki/template/') {
113        $name = str_replace('/test/', '/_test/', $name); // no underscore in test namespace
114        $file = DOKU_INC.'lib/tpl/' . substr($name, 18) . '.php';
115        if(file_exists($file)) {
116            try {
117                require $file;
118            } catch (\Throwable $e) {
119                \dokuwiki\ErrorHandler::showExceptionMsg($e, "Error loading template $name");
120            }
121            return true;
122        }
123    }
124
125    // our own namespace
126    if(substr($name, 0, 9) === 'dokuwiki/') {
127        $file = DOKU_INC . 'inc/' . substr($name, 9) . '.php';
128        if(file_exists($file)) {
129            require $file;
130            return true;
131        }
132    }
133
134    // Plugin loading
135    if(preg_match(
136        '/^(' . implode('|', PluginController::PLUGIN_TYPES) . ')_plugin_(' .
137        DOKU_PLUGIN_NAME_REGEX .
138        ')(?:_([^_]+))?$/',
139        $name,
140        $m
141    )) {
142        // try to load the wanted plugin file
143        $c = ((count($m) === 4) ? "/{$m[3]}" : '');
144        $plg = DOKU_PLUGIN . "{$m[2]}/{$m[1]}$c.php";
145        if(file_exists($plg)){
146            try {
147                require $plg;
148            } catch (\Throwable $e) {
149                \dokuwiki\ErrorHandler::showExceptionMsg($e, "Error loading plugin {$m[2]}");
150            }
151        }
152        return true;
153    }
154    return false;
155}
156
157