* @file
*/
-/* Private */
-function _wfInvokeInternalGoop($event, $hook) {
- $object = NULL;
- $method = NULL;
- $func = NULL;
- $data = NULL;
- $have_data = false;
-
- if (is_array($hook)) {
- if (count($hook) < 1) {
- throw new MWException("Empty array in hooks for " . $event . "\n");
- } else if (is_object($hook[0])) {
- $object = $hook[0];
- if (count($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];
- $have_data = true;
- }
- } else {
- 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 = $hook;
- $method = "on" . $event;
- } else {
- throw new MWException("Unknown datatype in hooks for " . $event . "\n");
- }
-
- if ( isset( $object ) ) {
- $func = get_class( $object ) . '::' . $method;
- $callback = array( $object, $method );
- } elseif ( false !== ( $pos = strpos( $func, '::' ) ) ) {
- $callback = array( substr( $func, 0, $pos ), substr( $func, $pos + 2 ) );
- } else {
- $callback = $func;
- }
-
- return array($callback, $func, $data);
-}
-
-/* Return a string describing the hook for debugging purposes. */
-function wfFormatInvocation($event, $hook, $args = array()) {
- list($callback, $func, $data) = _wfInvokeInternalGoop($event, $hook, $args);
-
- if( is_array( $callback ) ) {
- if( is_object( $callback[0] ) ) {
- $prettyClass = get_class( $callback[0] );
- } else {
- $prettyClass = strval( $callback[0] );
- }
- $prettyFunc = $prettyClass . '::' . strval( $callback[1] );
- } else {
- $prettyFunc = strval( $callback );
- }
- return $prettyFunc;
-}
-
-
-/*
- * Invoke a function dynamically.
- * $hook can be: a function, an object, an array of $function and $data,
- * an array of just a function, an array of object and method, or an
- * array of object, method, and data.
- * If arguments are provided both as part of the hook itself, and when
- * calling wfCallFancyCallback, the two arrays are merged.
- */
-function wfInvoke($event, $hook, $args = array()) {
- list($callback, $func, $data) = _wfInvokeInternalGoop($event, $hook, $args);
-
- /* We put the first data element on, if needed. */
- if ($data) {
- $hook_args = array_merge(array($data), $args);
- } else {
- $hook_args = $args;
- }
-
- // Run autoloader (workaround for call_user_func_array bug)
- is_callable( $callback );
-
- /* Call the hook. */
- wfProfileIn( $func );
- $retval = call_user_func_array( $callback, $hook_args );
- wfProfileOut( $func );
- return $retval;
-}
-
/**
* Because programmers assign to $wgHooks, we need to be very
global $wgHooks;
+ // Return quickly in the most common case
+ if ( !isset( $wgHooks[$event] ) ) {
+ return true;
+ }
+
if (!is_array($wgHooks)) {
throw new MWException("Global hooks array is not an array!\n");
return false;
}
- if (!array_key_exists($event, $wgHooks)) {
- return true;
- }
-
if (!is_array($wgHooks[$event])) {
throw new MWException("Hooks array for event '$event' is not an array!\n");
return false;
foreach ($wgHooks[$event] as $index => $hook) {
- $retval = wfInvoke($event, $hook, $args);
+ $object = null;
+ $method = null;
+ $func = null;
+ $data = null;
+ $have_data = false;
+ $closure = 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 ( $object instanceof Closure ) {
+ $closure = true;
+ if ( count( $hook ) > 1 ) {
+ $data = $hook[1];
+ $have_data = true;
+ }
+ } else {
+ 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];
+ $have_data = true;
+ }
+ } else {
+ 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];
+ if ( $object instanceof Closure ) {
+ $closure = true;
+ } else {
+ $method = "on" . $event;
+ }
+ } else {
+ throw new MWException( "Unknown datatype in hooks for " . $event . "\n" );
+ }
+
+ /* We put the first data element on, if needed. */
+
+ if ( $have_data ) {
+ $hook_args = array_merge(array($data), $args);
+ } else {
+ $hook_args = $args;
+ }
+
+ if ( $closure ) {
+ $callback = $object;
+ $func = "hook-$event-closure";
+ } elseif ( isset( $object ) ) {
+ $func = get_class( $object ) . '::' . $method;
+ $callback = array( $object, $method );
+ } elseif ( false !== ( $pos = strpos( $func, '::' ) ) ) {
+ $callback = array( substr( $func, 0, $pos ), substr( $func, $pos + 2 ) );
+ } else {
+ $callback = $func;
+ }
+
+ // Run autoloader (workaround for call_user_func_array bug)
+ is_callable( $callback );
+
+ /* Call the hook. */
+ wfProfileIn( $func );
+ $retval = call_user_func_array( $callback, $hook_args );
+ wfProfileOut( $func );
/* String return is an error; false return means stop processing. */
- if (is_string($retval)) {
+ if ( is_string( $retval ) ) {
global $wgOut;
- $wgOut->showFatalError($retval);
+ $wgOut->showFatalError( $retval );
return false;
} elseif( $retval === null ) {
- $prettyFunc = wfFormatInvocation($event, $hook, $args);
+ if ( $closure ) {
+ $prettyFunc = "$event closure";
+ } elseif( is_array( $callback ) ) {
+ if( is_object( $callback[0] ) ) {
+ $prettyClass = get_class( $callback[0] );
+ } else {
+ $prettyClass = strval( $callback[0] );
+ }
+ $prettyFunc = $prettyClass . '::' . strval( $callback[1] );
+ } else {
+ $prettyFunc = strval( $callback );
+ }
throw new MWException( "Detected bug in an extension! " .
"Hook $prettyFunc failed to return a value; " .
"should return true to continue hook processing or false to abort." );
- } else if (!$retval) {
+ } else if ( !$retval ) {
return false;
}
}
dépôts / lhc / web / wiklou.git / blobdiff