<?php
/**
* Hooks.php -- a tool for running hook functions
- * Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
+ * Copyright 2004, 2005 Evan Prodromou <evan@wikitravel.org>.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
- * @author <evan@wikitravel.org>
+ * @author Evan Prodromou <evan@wikitravel.org>
* @package MediaWiki
- * @seealso hooks.doc
+ * @see hooks.txt
*/
-if (defined('MEDIAWIKI')) {
-
- /*
- * Because programmers assign to $wgHooks, we need to be very
- * careful about its contents. So, there's a lot more error-checking
- * in here than would normally be necessary.
- */
-
- function wfRunHooks() {
-
- global $wgHooks;
-
- if (!is_array($wgHooks)) {
- wfDieDebugBacktrace("Global hooks array is not an array!\n");
- return false;
- }
- $args = func_get_args();
+/**
+ * Because programmers assign to $wgHooks, we need to be very
+ * careful about its contents. So, there's a lot more error-checking
+ * in here than would normally be necessary.
+ */
+function wfRunHooks($event, $args = null) {
- if (count($args) < 1) {
- wfDieDebugBacktrace("No event name given for wfRunHooks().\n");
- return false;
- }
+ global $wgHooks;
+ $fname = 'wfRunHooks';
- $event = array_shift($args);
+ if (!is_array($wgHooks)) {
+ throw new MWException("Global hooks array is not an array!\n");
+ return false;
+ }
- if (!array_key_exists($wgHooks, $event)) {
- return true;
- }
+ if (!array_key_exists($event, $wgHooks)) {
+ return true;
+ }
- if (!is_array($wgHooks[$event])) {
- wfDieDebugBacktrace("Hooks array for event '$event' is not an array!\n");
- return false;
- }
+ if (!is_array($wgHooks[$event])) {
+ throw new MWException("Hooks array for event '$event' is not an array!\n");
+ return false;
+ }
- foreach ($wgHooks[$event] as $hook) {
-
- $object = NULL;
- $method = NULL;
- $func = NULL;
- $data = NULL;
- $have_data = false;
-
- /* $hook can be: a function, an object, an array of $function and $data,
- * an array of just a function, an array of object and method, or an
- * array of object, method, and data.
- */
-
- if (is_array($hook)) {
- if (count($hook) < 1) {
- wfDieDebugBacktrace("Empty array in hooks for " . $event . "\n");
- } else if (is_object($hook[0])) {
- $object = $hook[0];
- if (count($hook) < 2) {
- $method = "on" . $event;
- } else {
- $method = $hook[1];
- if (count($hook) > 2) {
- $data = $hook[2];
- $have_data = true;
- }
- }
- } else if (is_string($hook[0])) {
- $func = $hook[0];
- if (count($hook) > 1) {
- $data = $hook[1];
+ foreach ($wgHooks[$event] as $index => $hook) {
+
+ $object = NULL;
+ $method = NULL;
+ $func = NULL;
+ $data = NULL;
+ $have_data = false;
+
+ /* $hook can be: a function, an object, an array of $function and $data,
+ * an array of just a function, an array of object and method, or an
+ * array of object, method, and data.
+ */
+
+ if (is_array($hook)) {
+ if (count($hook) < 1) {
+ throw new MWException("Empty array in hooks for " . $event . "\n");
+ } else if (is_object($hook[0])) {
+ $object = $wgHooks[$event][$index][0];
+ if (count($hook) < 2) {
+ $method = "on" . $event;
+ } else {
+ $method = $hook[1];
+ if (count($hook) > 2) {
+ $data = $hook[2];
$have_data = true;
}
- } else {
- wfDieDebugBacktrace("Unknown datatype in hooks for " . $event . "\n");
}
- } else if (is_string($hook)) { # functions look like strings, too
- $func = $hook;
- } else if (is_object($hook)) {
- $object = $hook;
- $method = "on" . $event;
+ } else if (is_string($hook[0])) {
+ $func = $hook[0];
+ if (count($hook) > 1) {
+ $data = $hook[1];
+ $have_data = true;
+ }
} else {
- wfDieDebugBacktrace("Unknown datatype in hooks for " . $event . "\n");
+ var_dump( $wgHooks );
+ throw new MWException("Unknown datatype in hooks for " . $event . "\n");
}
+ } else if (is_string($hook)) { # functions look like strings, too
+ $func = $hook;
+ } else if (is_object($hook)) {
+ $object = $wgHooks[$event][$index];
+ $method = "on" . $event;
+ } else {
+ throw new MWException("Unknown datatype in hooks for " . $event . "\n");
+ }
- if ($have_data) {
- $hook_args = array_merge(array($data), $args);
- } else {
- $hook_args = $args;
- }
-
- if ($object) {
- $retval = call_user_func_array(array($object, $method), $hook_args);
- } else {
- $retval = call_user_func_array($func, $hook_args);
- }
-
- if (is_string($retval)) {
- global $wgOut;
- $wgOut->fatalError($retval);
- return false;
- } else if (!$retval) {
- return false;
- }
+ /* We put the first data element on, if needed. */
+
+ if ($have_data) {
+ $hook_args = array_merge(array($data), $args);
+ } else {
+ $hook_args = $args;
+ }
+
+
+ if ( isset( $object ) ) {
+ $func = get_class( $object ) . '::' . $method;
+ }
+
+ /* Call the hook. */
+ wfProfileIn( $func );
+ if( isset( $object ) ) {
+ $retval = call_user_func_array(array($object, $method), $hook_args);
+ } else {
+ $retval = call_user_func_array($func, $hook_args);
+ }
+ wfProfileOut( $func );
+
+ /* String return is an error; false return means stop processing. */
+
+ if (is_string($retval)) {
+ global $wgOut;
+ $wgOut->showFatalError($retval);
+ return false;
+ } else if (!$retval) {
+ return false;
}
-
- return true;
}
-}
+ return true;
+}
?>
dépôts / lhc / web / wiklou.git / blobdiff