Added feature #9633: Implement autoloading for TYPO3

git-svn-id: https://svn.typo3.org/TYPO3v4/Core/trunk@5448 709f56b5-9817-0410-a4d7-c38de5d9e867

diff --git a/ChangeLog b/ChangeLog
index 12ac64c..a97fd2d 100755 (executable)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-05-19  Oliver Hader  <oliver@typo3.org>
+
+       * Added feature #9633: Implement autoloading for TYPO3
+
 2009-05-19  Steffen Kamper  <info@sk-typo3.de>
 
        * Cleanup #11044: Move inline JS to external file in backend.php

diff --git a/t3lib/class.t3lib_autoloader.php b/t3lib/class.t3lib_autoloader.php
new file mode 100644 (file)
index 0000000..d5f883c
--- /dev/null
+++ b/t3lib/class.t3lib_autoloader.php
@@ -0,0 +1,193 @@
+<?php
+/***************************************************************
+*  Copyright notice
+*
+*  (c) 2008-2009 Dmitry Dulepov <dmitry@typo3.org>
+*  All rights reserved
+*
+*  This script is part of the TYPO3 project. The TYPO3 project is
+*  free software; you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation; either version 2 of the License, or
+*  (at your option) any later version.
+*
+*  The GNU General Public License can be found at
+*  http://www.gnu.org/copyleft/gpl.html.
+*  A copy is found in the textfile GPL.txt and important notices to the license
+*  from the author is found in LICENSE.txt distributed with these scripts.
+*
+*
+*  This script is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU General Public License for more details.
+*
+*  This copyright notice MUST APPEAR in all copies of the script!
+***************************************************************/
+/**
+ * Contains TYPO3 autoloader
+ *
+ * $Id$
+ *
+ * @author     Dmitry Dulepov  <dmitry@typo3.org>
+ * @author     Martin Kutschker <masi@typo3.org>
+ * @author     Oliver Hader <oliver@typo3.org>
+ * @author     Sebastian Kurfuerst <sebastian@typo3.org>
+ */
+
+/**
+ * This class contains TYPO3 autoloader for classes.
+ * It handles:
+ * - the core of TYPO3
+ * - all extensions with an ext_autoload.php file
+ */
+class t3lib_autoloader {
+
+       /**
+        * Class name to file mapping. Key: class name. Value: fully qualified file name.
+        *
+        * @var array
+        */
+       protected static $classNameToFileMapping = array();
+
+       /**
+        * Associative array which sets for each extension which was attempted to load if it has an autoload configuration
+        *
+        * Key: extension key
+        * Value: TRUE, if extension has an ext_autoload.php and this is already part of $classNameToFileMapping
+        *        FALSE, if extension has no ext_autoload.php
+        *
+        * @var array
+        */
+       protected static $extensionHasAutoloadConfiguration = array();
+
+       /**
+        * The autoloader is static, thus we do not allow instances of this class.
+        */
+       private function __construct() {
+       }
+
+       /**
+        * Installs TYPO3 autoloader, and loads the autoload registry for the core.
+        *
+        * @return      boolean true in case of success
+        */
+       static public function registerAutoloader() {
+               self::loadCoreRegistry();
+               self::$extensionHasAutoloadConfiguration = array();
+               return spl_autoload_register('t3lib_autoloader::autoload');
+       }
+
+       /**
+        * Uninstalls TYPO3 autoloader. This function is for the sake of completeness.
+        * It is never called by the TYPO3 core.
+        *
+        * @return      boolean true in case of success
+        */
+       static public function unregisterAutoloader() {
+               return spl_autoload_unregister('t3lib_autoloader::autoload');
+       }
+
+       /**
+        * Autoload function for TYPO3.
+        *
+        * This method looks up class names in the registry
+        * (which contains extensions and core files)
+        *
+        * @param       string  $className      Class name
+        * @return      void
+        */
+       static public function autoload($className) {
+               $classPath = false;
+
+                       // use core and extension registry
+               $classPath = self::getClassPathByRegistryLookup($className);
+
+               if ($classPath && file_exists($classPath)) {
+                       require $classPath;
+               } else {
+                       spl_autoload($className);
+               }
+
+               if (!class_exists($className, false)) {
+                       self::logLoadingFailure($className);
+               }
+       }
+
+       /**
+        * Load the core registry into $classNameToFileMapping, effectively overriding
+        * the whole contents of $classNameToFileMapping.
+        *
+        * @return void
+        */
+       static protected function loadCoreRegistry() {
+               self::$classNameToFileMapping = require(PATH_t3lib . 'core_autoload.php');
+       }
+
+       /**
+        * Get the full path to a class by looking it up in the registry. If not found, returns NULL.
+        *
+        * @param       string  $className      Class name
+        * @return      string  full name of the file where $className is declared, or NULL if no entry found in registry.
+        */
+       static protected function getClassPathByRegistryLookup($className) {
+               $className = strtolower($className);
+               if (!array_key_exists($className, self::$classNameToFileMapping)) {
+                       self::attemptToLoadRegistryForGivenClassName($className);
+               }
+               if (array_key_exists($className, self::$classNameToFileMapping)) {
+                       return self::$classNameToFileMapping[$className];
+               } else {
+                       return NULL;
+               }
+       }
+
+       /**
+        * Try to load the entries for a given class name into the registry.
+        *
+        * First, figures out the extension the class belongs to.
+        * Then, tries to load the ext_autoload.php file inside the extension directory, and adds its contents to the $classNameToFileMapping.
+        *
+        * @param       string  $className      Class Name
+        */
+       static protected function attemptToLoadRegistryForGivenClassName($className) {
+               $classNameParts = explode('_', $className);
+               $extensionPrefix = array_shift($classNameParts) . '_' . array_shift($classNameParts);
+               $extensionKey = t3lib_extMgm::getExtensionKeyByPrefix($extensionPrefix);
+
+               if (array_key_exists($extensionKey, self::$extensionHasAutoloadConfiguration)) {
+                       // we already tried to load the extension's autoload configuration
+                       return;
+               }
+               $possibleAutoloadConfigurationFileName = t3lib_extMgm::extPath($extensionKey) . 'ext_autoload.php';
+               if (file_exists($possibleAutoloadConfigurationFileName)) {
+                       self::$extensionHasAutoloadConfiguration[$extensionKey] = TRUE;
+                       $extensionClassNameToFileMapping = require($possibleAutoloadConfigurationFileName);
+                       self::$classNameToFileMapping = array_merge($extensionClassNameToFileMapping, self::$classNameToFileMapping);
+               } else {
+                       self::$extensionHasAutoloadConfiguration[$extensionKey] = FALSE;
+               }
+       }
+
+       /**
+        * Logs error message about failed autoloading
+        *
+        * @param       string  $className      Class name
+        * @param       string  $filePath       File name
+        * @return      void
+        */
+       static protected function logLoadingFailure($className) {
+               $message = sprintf('Unable to autoload class "%s"', $className);
+               t3lib_div::sysLog($message, 'Core', 4);
+               if (TYPO3_DLOG) {
+                       t3lib_div::devLog($message, 'Core', 3);
+               }
+       }
+}
+
+
+if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_autoload.php']) {
+       include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_autoload.php']);
+}
+
+?>
\ No newline at end of file

diff --git a/t3lib/core_autoload.php b/t3lib/core_autoload.php
new file mode 100644 (file)
index 0000000..d67ba77
--- /dev/null
+++ b/t3lib/core_autoload.php
@@ -0,0 +1,129 @@
+<?php
+// DO NOT CHANGE THIS FILE! It is automatically generated by extdeveval::buildAutoloadRegistry.
+// This file was generated on 2009-04-25 20:15
+
+
+return array(
+       'gzip_encode' => PATH_t3lib . 'class.gzip_encode.php',
+       't3lib_admin' => PATH_t3lib . 'class.t3lib_admin.php',
+       't3lib_ajax' => PATH_t3lib . 'class.t3lib_ajax.php',
+       't3lib_arraybrowser' => PATH_t3lib . 'class.t3lib_arraybrowser.php',
+       't3lib_autoloader' => PATH_t3lib . 'class.t3lib_autoloader.php',
+       't3lib_basicfilefunctions' => PATH_t3lib . 'class.t3lib_basicfilefunc.php',
+       't3lib_bedisplaylog' => PATH_t3lib . 'class.t3lib_bedisplaylog.php',
+       't3lib_befunc' => PATH_t3lib . 'class.t3lib_befunc.php',
+       't3lib_beuserauth' => PATH_t3lib . 'class.t3lib_beuserauth.php',
+       't3lib_browsetree' => PATH_t3lib . 'class.t3lib_browsetree.php',
+       't3lib_cache' => PATH_t3lib . 'class.t3lib_cache.php',
+       't3lib_cli' => PATH_t3lib . 'class.t3lib_cli.php',
+       't3lib_clipboard' => PATH_t3lib . 'class.t3lib_clipboard.php',
+       't3lib_cs' => PATH_t3lib . 'class.t3lib_cs.php',
+       't3lib_db' => PATH_t3lib . 'class.t3lib_db.php',
+       't3lib_diff' => PATH_t3lib . 'class.t3lib_diff.php',
+       't3lib_div' => PATH_t3lib . 'class.t3lib_div.php',
+       't3lib_exec' => PATH_t3lib . 'class.t3lib_exec.php',
+       't3lib_extfilefunctions' => PATH_t3lib . 'class.t3lib_extfilefunc.php',
+       't3lib_extmgm' => PATH_t3lib . 'class.t3lib_extmgm.php',
+       't3lib_extobjbase' => PATH_t3lib . 'class.t3lib_extobjbase.php',
+       't3lib_flexformtools' => PATH_t3lib . 'class.t3lib_flexformtools.php',
+       't3lib_foldertree' => PATH_t3lib . 'class.t3lib_foldertree.php',
+       't3lib_formmail' => PATH_t3lib . 'class.t3lib_formmail.php',
+       't3lib_frontendedit' => PATH_t3lib . 'class.t3lib_frontendedit.php',
+       't3lib_fullsearch' => PATH_t3lib . 'class.t3lib_fullsearch.php',
+       't3lib_htmlmail' => PATH_t3lib . 'class.t3lib_htmlmail.php',
+       't3lib_iconworks' => PATH_t3lib . 'class.t3lib_iconworks.php',
+       't3lib_install' => PATH_t3lib . 'class.t3lib_install.php',
+       't3lib_loaddbgroup' => PATH_t3lib . 'class.t3lib_loaddbgroup.php',
+       't3lib_loadmodules' => PATH_t3lib . 'class.t3lib_loadmodules.php',
+       't3lib_lock' => PATH_t3lib . 'class.t3lib_lock.php',
+       't3lib_matchcondition' => PATH_t3lib . 'class.t3lib_matchcondition.php',
+       't3lib_modsettings' => PATH_t3lib . 'class.t3lib_modsettings.php',
+       't3lib_pageselect' => PATH_t3lib . 'class.t3lib_page.php',
+       't3lib_pagetree' => PATH_t3lib . 'class.t3lib_pagetree.php',
+       't3lib_parsehtml' => PATH_t3lib . 'class.t3lib_parsehtml.php',
+       't3lib_parsehtml_proc' => PATH_t3lib . 'class.t3lib_parsehtml_proc.php',
+       't3lib_positionmap' => PATH_t3lib . 'class.t3lib_positionmap.php',
+       't3lib_querygenerator' => PATH_t3lib . 'class.t3lib_querygenerator.php',
+       't3lib_readmail' => PATH_t3lib . 'class.t3lib_readmail.php',
+       't3lib_recordlist' => PATH_t3lib . 'class.t3lib_recordlist.php',
+       't3lib_refindex' => PATH_t3lib . 'class.t3lib_refindex.php',
+       't3lib_rteapi' => PATH_t3lib . 'class.t3lib_rteapi.php',
+       't3lib_scbase' => PATH_t3lib . 'class.t3lib_scbase.php',
+       't3lib_softrefproc' => PATH_t3lib . 'class.t3lib_softrefproc.php',
+       't3lib_sqlengine' => PATH_t3lib . 'class.t3lib_sqlengine.php',
+       't3lib_sqlengine_resultobj' => PATH_t3lib . 'class.t3lib_sqlengine.php',
+       't3lib_sqlparser' => PATH_t3lib . 'class.t3lib_sqlparser.php',
+       't3lib_stdgraphic' => PATH_t3lib . 'class.t3lib_stdgraphic.php',
+       't3lib_superadmin' => PATH_t3lib . 'class.t3lib_superadmin.php',
+       't3lib_syntaxhl' => PATH_t3lib . 'class.t3lib_syntaxhl.php',
+       't3lib_tceforms' => PATH_t3lib . 'class.t3lib_tceforms.php',
+       't3lib_tceforms_fe' => PATH_t3lib . 'class.t3lib_tceforms_fe.php',
+       't3lib_tceforms_inline' => PATH_t3lib . 'class.t3lib_tceforms_inline.php',
+       't3lib_tcemain' => PATH_t3lib . 'class.t3lib_tcemain.php',
+       't3lib_timetrack' => PATH_t3lib . 'class.t3lib_timetrack.php',
+       't3lib_transferdata' => PATH_t3lib . 'class.t3lib_transferdata.php',
+       't3lib_transl8tools' => PATH_t3lib . 'class.t3lib_transl8tools.php',
+       't3lib_treeview' => PATH_t3lib . 'class.t3lib_treeview.php',
+       't3lib_tsfebeuserauth' => PATH_t3lib . 'class.t3lib_tsfebeuserauth.php',
+       't3lib_tsparser' => PATH_t3lib . 'class.t3lib_tsparser.php',
+       't3lib_tsparser_ext' => PATH_t3lib . 'class.t3lib_tsparser_ext.php',
+       't3lib_tsstyleconfig' => PATH_t3lib . 'class.t3lib_tsstyleconfig.php',
+       't3lib_tstemplate' => PATH_t3lib . 'class.t3lib_tstemplate.php',
+       't3lib_userauth' => PATH_t3lib . 'class.t3lib_userauth.php',
+       't3lib_userauthgroup' => PATH_t3lib . 'class.t3lib_userauthgroup.php',
+       't3lib_xml' => PATH_t3lib . 'class.t3lib_xml.php',
+       'sc_t3lib_thumbs' => PATH_t3lib . 'thumbs.php',
+       't3lib_cache_exception' => PATH_t3lib . 'cache/class.t3lib_cache_exception.php',
+       't3lib_cache_factory' => PATH_t3lib . 'cache/class.t3lib_cache_factory.php',
+       't3lib_cache_manager' => PATH_t3lib . 'cache/class.t3lib_cache_manager.php',
+       't3lib_cache_backend_apcbackend' => PATH_t3lib . 'cache/backend/class.t3lib_cache_backend_apcbackend.php',
+       't3lib_cache_backend_dbbackend' => PATH_t3lib . 'cache/backend/class.t3lib_cache_backend_dbbackend.php',
+       't3lib_cache_backend_filebackend' => PATH_t3lib . 'cache/backend/class.t3lib_cache_backend_filebackend.php',
+       't3lib_cache_backend_globalsbackend' => PATH_t3lib . 'cache/backend/class.t3lib_cache_backend_globalsbackend.php',
+       't3lib_cache_backend_memcachedbackend' => PATH_t3lib . 'cache/backend/class.t3lib_cache_backend_memcachedbackend.php',
+       't3lib_cache_backend_nullbackend' => PATH_t3lib . 'cache/backend/class.t3lib_cache_backend_nullbackend.php',
+       't3lib_cache_backend_backend' => PATH_t3lib . 'cache/backend/interfaces/interface.t3lib_cache_backend_backend.php',
+       't3lib_cache_exception_classalreadyloaded' => PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_classalreadyloaded.php',
+       't3lib_cache_exception_duplicateidentifier' => PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_duplicateidentifier.php',
+       't3lib_cache_exception_invalidbackend' => PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_invalidbackend.php',
+       't3lib_cache_exception_invalidcache' => PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_invalidcache.php',
+       't3lib_cache_exception_invaliddata' => PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_invaliddata.php',
+       't3lib_cache_exception_nosuchcache' => PATH_t3lib . 'cache/exception/class.t3lib_cache_exception_nosuchcache.php',
+       't3lib_cache_frontend_stringfrontend' => PATH_t3lib . 'cache/frontend/class.t3lib_cache_frontend_stringfrontend.php',
+       't3lib_cache_frontend_variablefrontend' => PATH_t3lib . 'cache/frontend/class.t3lib_cache_frontend_variablefrontend.php',
+       't3lib_cache_frontend_frontend' => PATH_t3lib . 'cache/frontend/interfaces/interface.t3lib_cache_frontend_frontend.php',
+       't3lib_browselinkshook' => PATH_t3lib . 'interfaces/interface.t3lib_browselinkshook.php',
+       't3lib_localrecordlistgettablehook' => PATH_t3lib . 'interfaces/interface.t3lib_localrecordlistgettablehook.php',
+       't3lib_singleton' => PATH_t3lib . 'interfaces/interface.t3lib_singleton.php',
+       't3lib_tceformsinlinehook' => PATH_t3lib . 'interfaces/interface.t3lib_tceformsinlinehook.php',
+       'tslib_cobj' => PATH_tslib . 'class.tslib_content.php',
+       'tslib_frameset' => PATH_tslib . 'class.tslib_content.php',
+       'tslib_tableoffset' => PATH_tslib . 'class.tslib_content.php',
+       'tslib_controltable' => PATH_tslib . 'class.tslib_content.php',
+       'tslib_eidtools' => PATH_tslib . 'class.tslib_eidtools.php',
+       'tslib_fe' => PATH_tslib . 'class.tslib_fe.php',
+       'tslib_fecompression' => PATH_tslib . 'class.tslib_fecompression.php',
+       'tslib_fetce' => PATH_tslib . 'class.tslib_fetce.php',
+       'tslib_feuserauth' => PATH_tslib . 'class.tslib_feuserauth.php',
+       'tslib_gifbuilder' => PATH_tslib . 'class.tslib_gifbuilder.php',
+       'tslib_menu' => PATH_tslib . 'class.tslib_menu.php',
+       'tslib_tmenu' => PATH_tslib . 'class.tslib_menu.php',
+       'tslib_gmenu' => PATH_tslib . 'class.tslib_menu.php',
+       'tslib_imgmenu' => PATH_tslib . 'class.tslib_menu.php',
+       'tslib_jsmenu' => PATH_tslib . 'class.tslib_menu.php',
+       'tspagegen' => PATH_tslib . 'class.tslib_pagegen.php',
+       'fe_loaddbgroup' => PATH_tslib . 'class.tslib_pagegen.php',
+       'tslib_pibase' => PATH_tslib . 'class.tslib_pibase.php',
+       'tslib_search' => PATH_tslib . 'class.tslib_search.php',
+       'sc_tslib_showpic' => PATH_tslib . 'showpic.php',
+       'tx_cms_treelistcacheupdate' => PATH_tslib . 'hooks/class.tx_cms_treelistcacheupdate.php',
+       'tslib_content_cobjgetsinglehook' => PATH_tslib . 'interfaces/interface.tslib_content_cobjgetsinglehook.php',
+       'tslib_content_getdatahook' => PATH_tslib . 'interfaces/interface.tslib_content_getdatahook.php',
+       'tslib_content_stdwraphook' => PATH_tslib . 'interfaces/interface.tslib_content_stdwraphook.php',
+       'user_various' => PATH_tslib . 'media/scripts/example_callfunction.php',
+       'tslib_gmenu_foldout' => PATH_tslib . 'media/scripts/gmenu_foldout.php',
+       'tslib_gmenu_layers' => PATH_tslib . 'media/scripts/gmenu_layers.php',
+       'tslib_tmenu_layers' => PATH_tslib . 'media/scripts/tmenu_layers.php',
+       'language' => t3lib_extMgm::extPath('lang') . 'lang.php',
+);
+?>
\ No newline at end of file