* -------------------------------------------------------------------- *
* Kurzbeschreibung : Alle Erweiterungen laden *
* -------------------------------------------------------------------- *
- * *
+ * @TODO Rewrite this whole file to load_cache-extensions.php *
+ * -------------------------------------------------------------------- *
+ * $Revision:: $ *
+ * $Date:: $ *
+ * $Tag:: 0.2.1-FINAL $ *
+ * $Author:: $ *
+ * Needs to be in all Files and every File needs "svn propset *
+ * svn:keywords Date Revision" (autoprobset!) at least!!!!!! *
* -------------------------------------------------------------------- *
* Copyright (c) 2003 - 2008 by Roland Haeder *
* For more information visit: http://www.mxchange.org *
************************************************************************/
// Some security stuff...
-if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
-{
- $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
+if (!defined('__SECURITY')) {
+ $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
require($INC);
-}
-//
-global $EXT_CSS_FILES;
-$EXT_CSS_FILES = array();
-$ADD = "";
+} // END - if
+
+// Init variables
+EXT_INIT_CSS_FILES();
+$add = '';
+
+// Init cache instance and array
+$GLOBALS['cache_instance'] = null;
+$GLOBALS['cache_array'] = array();
// Skip loading extensions
-if ((!mxchange_installed) || (mxchange_installing)) return;
-
-// Load default sql_patches extension if present
-if (file_exists(PATH."inc/extensions/ext-sql_patches.php") && is_readable(PATH."inc/extensions/ext-sql_patches.php"))
-{
- // Load it...
- $EXT_LOAD_MODE = "";
- require_once(PATH."inc/extensions/ext-sql_patches.php");
- $cacheArray['active_extensions'] = array('sql_patches' => 'Y'); // KEEP THIS ALWAYS ACTIVE!
-}
- else
-{
- // Initialize array for "always keep active extensions"
- $cacheArray['active_extensions'] = array();
-}
+if ((!isInstalled()) || (isInstalling())) {
+ // Init filter system here
+ initFilterSystem();
+
+ // Skip loading
+ return;
+} // END - if
+
+// Initialize array for "always keep active extensions"
+$GLOBALS['cache_array']['active_extensions'] = array();
+
+// By default no cache is set
+$GLOBALS['cache_mode'] = 'no';
+
+// Load sql_patchrs extension alone
+if (!LOAD_EXTENSION('sql_patches')) {
+ // Could not load sql_patches! ARGH!!!
+ trigger_error('Cannot load extension sql_patches.');
+} // END - if
+
+// Init inc pool array
+INIT_INC_POOL();
//
// Load extensions
//
-if (EXT_IS_ACTIVE("cache"))
-{
+if (EXT_IS_ACTIVE('cache')) {
// Load cache extension alone
- include_once(PATH."inc/libs/cache_functions.php");
- $cacheMode = "";
- include_once(PATH."inc/extensions/ext-cache.php");
- switch($cacheInstance->cache_file("extensions", true))
- {
- case true : $cacheMode = "load"; break;
- case false: $cacheMode = "init"; break;
+ if (!LOAD_EXTENSION('cache')) {
+ // Extension 'cache' was not loaded
+ trigger_error('Cannot load extension cache.');
+ } // END - if
+
+ // Check extension cache
+ switch (($GLOBALS['cache_instance']->loadCacheFile('extensions', true)) && ($GLOBALS['cache_instance']->extensionVersionMatches('sql_patches'))) {
+ case true : $GLOBALS['cache_mode'] = 'load'; break;
+ case false: $GLOBALS['cache_mode'] = 'init'; break;
+ } // END - switch
+
+ // Do we need to init the cache? But not in "CSS mode".
+ if (($GLOBALS['cache_mode'] == 'init') && (getConfig('cache_exts') == 'Y') && (getOutputMode() == '0')) {
+ // Init cache file
+ $GLOBALS['cache_instance']->init('EXTENSIONS');
+ $GLOBALS['cache_instance']->storeExtensionVersion('sql_patches');
+ } elseif (getConfig('cache_exts') != 'Y') {
+ // Cache will not be created for extensions
+ $GLOBALS['cache_mode'] = 'skip';
}
+} // END - if
- // Do not recreate cache file when it's switched off!
- if (($cacheMode == "init") && ($_CONFIG['cache_exts'] == 'N')) $cacheMode = "skip";
-
- // Load language
- if ($cacheMode == "load") include(PATH."inc/language/cache_".GET_LANGUAGE().".php");
-}
- else
-{
- $cacheMode = "no";
-}
-
-if ($cacheMode == "load")
-{
- // Load more cache files (like admins)
- require_once(PATH."inc/load_cache.php");
+// Load cache?
+if ($GLOBALS['cache_mode'] == 'load') {
+ // Init include array
+ $EXT_POOL = array();
// Re-initialize handler
- $cacheInstance->cache_file("extensions", true);
+ $GLOBALS['cache_instance']->loadCacheFile('extensions', true);
// Load extension data from cache file
- $EXT_DUMMY = $cacheInstance->cache_load();
- foreach ($EXT_DUMMY['ext_name'] as $k=>$name)
- {
- // Load functions file
- if ($EXT_DUMMY['ext_funcs'][$k] == 'Y') require_once(PATH."inc/libs/".$name."_functions.php");
-
- // Load Language file
- if ($EXT_DUMMY['ext_lang'][$k] == 'Y')
- {
- $INC = sprintf(PATH."inc/language/%s_%s.php", $name, GET_LANGUAGE());
- if (file_exists($INC)) require_once($INC);
- }
+ $EXT_DUMMY = $GLOBALS['cache_instance']->getArrayFromCache();
+ // Is the cache file fine?
+ if (!isset($EXT_DUMMY['ext_name'])) {
+ // Cache file is damaged so kill it
+ $GLOBALS['cache_instance']->destroyCacheFile();
+
+ // Retry it
+ require(__FILE__);
+ return;
+ } // END - if
+
+ // Begin with the cache preparation of extensions
+ $EXT_NAMES = array();
+ foreach ($EXT_DUMMY['ext_name'] as $k => $name) {
// Load CSS file
- if ($EXT_DUMMY['ext_css'][$k] == 'Y') $EXT_CSS_FILES[] = "".$name.".css";
+ if ($EXT_DUMMY['ext_css'][$k] == 'Y') EXT_ADD_CSS_FILE($name . '.css');
// Load extension file itself
- if (($EXT_DUMMY['ext_active'][$k] == 'Y') || ($EXT_DUMMY['ext_keep'][$k] == 'Y') || (IS_ADMIN()))
- {
- require_once(PATH."inc/extensions/ext-".$name.".php");
- }
+ if ((($EXT_DUMMY['ext_active'][$k] == 'Y') || ($EXT_DUMMY['ext_keep'][$k] == 'Y') || (IS_ADMIN())) && (!in_array($name, array('sql_patches', 'cache')))) {
+ $EXT_POOL[] = $name;
+ } // END - if
- // Transfer version number and active status
+ // Version number
$EXT_DUMMY['ext_version'][$name] = $EXT_DUMMY['ext_version'][$k];
unset($EXT_DUMMY['ext_version'][$k]);
+
+ // Extension is active
$EXT_DUMMY['ext_active'][$name] = $EXT_DUMMY['ext_active'][$k];
unset($EXT_DUMMY['ext_active'][$k]);
+
+ // Ext menu
$EXT_DUMMY['ext_menu'][$name] = $EXT_DUMMY['ext_menu'][$k];
unset($EXT_DUMMY['ext_menu'][$k]);
- $cacheArray['active_extensions']['$name'] = $EXT_DUMMY['ext_keep'][$k];
+
+ // Extension id
+ $EXT_DUMMY['ext_id'][$name] = $EXT_DUMMY['ext_id'][$k];
+ $id = $EXT_DUMMY['ext_id'][$name];
+ unset($EXT_DUMMY['ext_id'][$k]);
+
+ // Add ext name
+ $EXT_NAMES[$id] = $name;
+
+ // Add deprecated flag (defaults to 'not deprecated')
+ $EXT_DUMMY['ext_deprecated'][$name] = 'N';
+
+ // Mark it as active extension
+ $GLOBALS['cache_array']['active_extensions'][$name] = $EXT_DUMMY['ext_keep'][$k];
unset($EXT_DUMMY['ext_keep'][$k]);
- $k2 = $EXT_DUMMY['ext_id'][$k];
- $EXT_DUMMY['ext_id'][$k2] = $name;
- if ($k2 != $k) unset($EXT_DUMMY['ext_id'][$k]);
// Remove unneccessary data from memory
- unset($EXT_DUMMY['ext_lang'][$k]);
unset($EXT_DUMMY['ext_css'][$k]);
- unset($EXT_DUMMY['ext_funcs'][$k]);
- }
+ } // END - foreach
- // Close cache file
- $cacheInstance->cache_close();
+ // Write dummy array back
+ $EXT_DUMMY['ext_name'] = $EXT_NAMES;
+ unset($EXT_NAMES);
// Loading cache is done so let's free some memory!
- unset($EXT_DUMMY['ext_lang']);
unset($EXT_DUMMY['ext_keep']);
unset($EXT_DUMMY['ext_css']);
- unset($EXT_DUMMY['ext_funcs']);
- $cacheArray['extensions'] = $EXT_DUMMY;
+ $GLOBALS['cache_array']['extensions'] = $EXT_DUMMY;
unset($EXT_DUMMY);
// No database load needed
$res_ext_crt = false;
-}
- else
-{
- // If current user is not admin load only activated extensions
- // The admin shall use every available extension for testing purposes
- if (!IS_ADMIN()) $ADD = " WHERE ext_active='Y'";
-
- if (GET_EXT_VERSION("sql_patches") >= "0.0.6")
- {
+
+ // Load all extension files
+ foreach ($EXT_POOL as $ext) {
+ LOAD_EXTENSION($ext);
+ } // END - foreach
+
+ // Load more cache files (like admins)
+ loadIncludeOnce('inc/load_cache.php');
+
+ // Remove array
+ unset($EXT_POOL);
+} else {
+ // If current user is not admin load only activated extensions. But load
+ // them all if we are going to init the cache files. The admin shall use
+ // every available extension for testing purposes.
+ if ((!IS_ADMIN()) && ($GLOBALS['cache_mode'] != 'init')) $add = " WHERE `ext_active`='Y'";
+
+ if (GET_EXT_VERSION('sql_patches') >= '0.0.6') {
// Query with CSS file from DB
- $res_ext_crt = SQL_QUERY("SELECT id, ext_name, ext_lang_file, ext_has_css, ext_active, ext_version
-FROM "._MYSQL_PREFIX."_extensions".$ADD."
+ $res_ext_crt = SQL_QUERY("SELECT id AS ext_id, ext_name, ext_has_css AS ext_css, ext_active, ext_version
+FROM `{!_MYSQL_PREFIX!}_extensions`" . $add . "
ORDER BY ext_name", __FILE__, __LINE__);
- }
- else
- {
- // Old obsulete query string
- $res_ext_crt = SQL_QUERY("SELECT id, ext_name, ext_lang_file, ext_name, ext_active, ext_version
-FROM "._MYSQL_PREFIX."_extensions".$ADD."
+ } else {
+ // Old obsolete query string
+ $res_ext_crt = SQL_QUERY("SELECT id AS ext_id, ext_name, ext_name, ext_active, ext_version
+FROM `{!_MYSQL_PREFIX!}_extensions`" . $add . "
ORDER BY ext_name", __FILE__, __LINE__);
}
}
$DEL = array();
// At least one found?
-if ((SQL_NUMROWS($res_ext_crt) > 0) && (($cacheMode == "init") || ($cacheMode == "no")) && ($CSS != "1") && ($CSS != "-1"))
-{
- // Load theme management
- require_once(PATH."inc/theme-manager.php");
-
- // If we need to init the cache init it now
- if ($cacheMode == "init") $cacheInstance->cache_init("EXTENSIONS");
-
+if ((SQL_NUMROWS($res_ext_crt) > 0) && ((($GLOBALS['cache_mode'] == 'init') && (getOutputMode() != '1') && (getOutputMode() != '-1')) || ($GLOBALS['cache_mode'] == 'no'))) {
// Extensions are registered so we load them
- while (list($EXT_ID, $name, $lang, $css, $active, $version) = SQL_FETCHROW($res_ext_crt))
- {
+ while ($content = SQL_FETCHARRAY($res_ext_crt)) {
// Get menu entry
- $result_menu = SQL_QUERY_ESC("SELECT has_menu FROM "._MYSQL_PREFIX."_mod_reg WHERE module='%s' LIMIT 1",
- array($name), __FILE__, __LINE__);
- list($menu) = SQL_FETCHROW($result_menu);
- //* DEBUG: */ echo "*".$name."/".$menu."*<br>";
+ $content['ext_menu'] = 'N';
+ if (MODULE_HAS_MENU($content['ext_name'], true)) {
+ $content['ext_menu'] = 'Y';
+ } // END - if
- // An empty menu entry will be interpreted as N (no menu) to avoid problems
- if (empty($menu)) $menu = 'N';
-
- // Load extensions
- $file1 = sprintf(PATH."inc/extensions/ext-%s.php", $name);
- $file2 = $file1; $EXT_CSS = 'N'; $EXT_ALWAYS_ACTIVE = 'N';
-
- // Special functions file
- $file3 = sprintf(PATH."inc/libs/%s_functions.php", $name);
+ // Generate FQFN for extension
+ $FQFN = sprintf("%sinc/extensions/ext-%s.php", constant('PATH'), $content['ext_name']);
// Does the extension file exists?
- if (file_exists($file1) && is_readable($file1))
- {
- // If there's no language file specified we don't need to load one... ;-)
- if (!empty($lang)) {
- // Create language file
- $file2 = sprintf(PATH."inc/language/%s_%s.php", $lang, GET_LANGUAGE());
- }
+ if (isFileReadable($FQFN)) {
+ // By default no extension is always active, except sql_patches
+ EXT_SET_ALWAYS_ACTIVE('N');
- if (file_exists($file3) && is_readable($file3))
- {
- // Special functions file
- $funcs = 'Y';
- require_once($file3);
- }
- else
- {
- // Don't load functions file
- $funcs = 'N';
+ // Load extension
+ if (($content['ext_name'] != 'sql_patches') && (($content['ext_name'] != 'cache') || (!EXT_IS_ACTIVE('cache')))) {
+ // Load extension
+ LOAD_EXTENSION($content['ext_name']);
+ } else {
+ // Keep sql_patches always active
+ EXT_SET_ALWAYS_ACTIVE('Y');
}
- // Do we need a language file?
- if (($file1 != $file2) && (file_exists($file2)) && (is_readable($file2)))
- {
- // Load language file
- $lang = 'Y';
- include($file2);
- }
- else
- {
- // Don't load language file
- $lang = 'N';
- }
+ // Transfer EXT_ALWAYS_ACTIVE flag
+ $content['ext_keep'] = EXT_GET_ALWAYS_ACTIVE();
- // Load extension
- if ($name != "sql_patches")
- {
- // Load extension's file
- include_once($file1);
- }
- else
- {
- // KEEP sql_patches ALWAYS ACTIVE!
- $EXT_ALWAYS_ACTIVE = 'Y';
- }
+ // CSS file handling:
+ if ((!isset($content['ext_css'])) || ($content['ext_css'] == 'Y')) {
+ // Create FQFN for the CSS file
+ $FQFN = sprintf("%stheme/%s/css/%s.css", constant('PATH'), getCurrentTheme(), $content['ext_name']);
- if ($css == 'Y')
- {
- $CSS_FILE = PATH."theme/".GET_CURR_THEME()."/css/".$name.".css";
- if (file_exists($CSS_FILE))
- {
+ // Is the file there?
+ if (isFileReadable($FQFN)) {
// CSS file for extension was found (use only relative path for now!)
- $EXT_CSS_FILES[] = $name.".css";
- }
- else
- {
+ EXT_ADD_CSS_FILE($content['ext_name'] . '.css');
+ $content['ext_css'] = 'Y';
+ } else {
// Don't load CSS file
- $css = 'N';
+ $content['ext_css'] = 'N';
}
- }
+ } // END - if
- // Add cache row
- if ($cacheMode == "init")
- {
- $cacheInstance->add_row(array(
- 'ext_id' => $EXT_ID,
- 'ext_name' => $name,
- 'ext_lang' => $lang,
- 'ext_css' => $css,
- 'ext_menu' => $menu,
- 'ext_funcs' => $funcs,
- 'ext_active' => $active,
- 'ext_version' => $version,
- 'ext_keep' => $EXT_ALWAYS_ACTIVE,
- ));
- }
- elseif ($cacheMode == "no")
- {
+ // Shall we cache?
+ if ($GLOBALS['cache_mode'] == 'init') {
+ // Add cache row
+ $GLOBALS['cache_instance']->addRow($content);
+ } elseif ($GLOBALS['cache_mode'] == 'no') {
// Remember this value for later usage
- $cacheArray['active_extensions'][$name] = $EXT_ALWAYS_ACTIVE;
+ $GLOBALS['cache_array']['active_extensions'][$content['ext_name']] = EXT_GET_ALWAYS_ACTIVE();
}
- }
- elseif (!file_exists($file1))
- {
+ } elseif (!isFileReadable($FQFN)) {
// Deleted extension file so we mark it for removal from DB
- $DEL[] = $name;
+ $DEL[] = $content['ext_name'];
}
- }
+ } // END - while
- if ($cacheMode == "init")
- {
+ if ($GLOBALS['cache_mode'] == 'init') {
// Close cache file
- $cacheInstance->cache_close();
+ $GLOBALS['cache_instance']->finalize();
// Load more cache files (like admins)
- require_once(PATH."inc/load_cache.php");
+ loadIncludeOnce('inc/load_cache.php');
+ } else {
+ // Init filter system for non-init mode
+ initFilterSystem();
}
-}
-
-// Free memory
-SQL_FREERESULT($res_ext_crt);
-// Load include files
-if (!empty($INC_POOL[0]))
-{
- foreach ($INC_POOL as $inc)
- {
- require_once($inc);
- }
+ // Free memory
+ SQL_FREERESULT($res_ext_crt);
+} elseif ((!EXT_IS_ACTIVE('cache')) || (($GLOBALS['cache_mode'] == 'init') && (getOutputMode() != 0))) {
+ // Init filter system even when there are no extensions installed. #16
+ initFilterSystem();
+} elseif ($GLOBALS['cache_mode'] != 'load') {
+ // Something unexpected!
+ debug_report_bug('Unexpected state in '.basename(__FILE__).': cache_mode='.$GLOBALS['cache_mode'].', numRows='.SQL_NUMROWS($res_ext_crt));
}
+// Run the filter
+runFilterChain('load_includes');
+
// Uninstall extensions that are no longer in our system
-if (!empty($DEL[0]))
-{
+if (!empty($DEL[0])) {
// Remove extensions from two tables: extension registry and tasks table
- foreach ($DEL as $name)
- {
+ foreach ($DEL as $del_ext) {
// First remove entry from extensions table
- $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
- array($name), __FILE__, __LINE__);
+ SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_extensions` WHERE `ext_name`='%s' LIMIT 1",
+ array($del_ext), __FILE__, __LINE__);
// Remove (maybe?) found tasks (main task and possible updates
- $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_task_system WHERE subject LIKE '[%s:] %' AND (task_type='EXTENSION' OR task_type='EXTENSION_UPDATE')",
- array($name), __FILE__, __LINE__);
- }
+ SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_task_system` WHERE `subject`='[%s:]' AND (`task_type`='EXTENSION' OR `task_type`='EXTENSION_UPDATE')",
+ array($del_ext), __FILE__, __LINE__);
+ } // END - foreach
// I think it's not neccessary to run the optimization function here
// because we didn't delete so much data from database. Can you aggree?
-}
+} // END - if
+
//
?>