API: Allow finding log events and links to special pages
[lhc/web/wiklou.git] / includes / api / ApiBase.php
index 063d661..b8dd464 100644 (file)
@@ -180,6 +180,12 @@ abstract class ApiBase extends ContextSource {
         */
        const PARAM_ALL = 17;
 
+       /**
+        * (int[]) When PARAM_TYPE is 'namespace', include these as additional possible values.
+        * @since 1.29
+        */
+       const PARAM_EXTRA_NAMESPACES = 18;
+
        /**@}*/
 
        const ALL_DEFAULT_STRING = '*';
@@ -899,6 +905,34 @@ abstract class ApiBase extends ContextSource {
                return $pageObj;
        }
 
+       /**
+        * Get a Title object from a title or pageid param, if possible.
+        * Can die, if no param is set or if the title or page id is not valid.
+        *
+        * @since 1.29
+        * @param array $params
+        * @return Title
+        */
+       public function getTitleFromTitleOrPageId( $params ) {
+               $this->requireOnlyOneParameter( $params, 'title', 'pageid' );
+
+               $titleObj = null;
+               if ( isset( $params['title'] ) ) {
+                       $titleObj = Title::newFromText( $params['title'] );
+                       if ( !$titleObj || $titleObj->isExternal() ) {
+                               $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['title'] ) ] );
+                       }
+                       return $titleObj;
+               } elseif ( isset( $params['pageid'] ) ) {
+                       $titleObj = Title::newFromID( $params['pageid'] );
+                       if ( !$titleObj ) {
+                               $this->dieWithError( [ 'apierror-nosuchpageid', $params['pageid'] ] );
+                       }
+               }
+
+               return $titleObj;
+       }
+
        /**
         * Return true if we're to watch the page, false if not, null if no change.
         * @param string $watchlist Valid values: 'watch', 'unwatch', 'preferences', 'nochange'
@@ -953,44 +987,41 @@ abstract class ApiBase extends ContextSource {
                // Some classes may decide to change parameter names
                $encParamName = $this->encodeParamName( $paramName );
 
+               // Shorthand
                if ( !is_array( $paramSettings ) ) {
-                       $default = $paramSettings;
-                       $multi = false;
-                       $type = gettype( $paramSettings );
-                       $dupes = false;
-                       $deprecated = false;
-                       $required = false;
-                       $allowAll = false;
-               } else {
-                       $default = isset( $paramSettings[self::PARAM_DFLT] )
-                               ? $paramSettings[self::PARAM_DFLT]
-                               : null;
-                       $multi = isset( $paramSettings[self::PARAM_ISMULTI] )
-                               ? $paramSettings[self::PARAM_ISMULTI]
-                               : false;
-                       $type = isset( $paramSettings[self::PARAM_TYPE] )
-                               ? $paramSettings[self::PARAM_TYPE]
-                               : null;
-                       $dupes = isset( $paramSettings[self::PARAM_ALLOW_DUPLICATES] )
-                               ? $paramSettings[self::PARAM_ALLOW_DUPLICATES]
-                               : false;
-                       $deprecated = isset( $paramSettings[self::PARAM_DEPRECATED] )
-                               ? $paramSettings[self::PARAM_DEPRECATED]
-                               : false;
-                       $required = isset( $paramSettings[self::PARAM_REQUIRED] )
-                               ? $paramSettings[self::PARAM_REQUIRED]
-                               : false;
-                       $allowAll = isset( $paramSettings[self::PARAM_ALL] )
-                               ? $paramSettings[self::PARAM_ALL]
-                               : false;
-
-                       // When type is not given, and no choices, the type is the same as $default
-                       if ( !isset( $type ) ) {
-                               if ( isset( $default ) ) {
-                                       $type = gettype( $default );
-                               } else {
-                                       $type = 'NULL'; // allow everything
-                               }
+                       $paramSettings = [
+                               self::PARAM_DFLT => $paramSettings,
+                       ];
+               }
+
+               $default = isset( $paramSettings[self::PARAM_DFLT] )
+                       ? $paramSettings[self::PARAM_DFLT]
+                       : null;
+               $multi = isset( $paramSettings[self::PARAM_ISMULTI] )
+                       ? $paramSettings[self::PARAM_ISMULTI]
+                       : false;
+               $type = isset( $paramSettings[self::PARAM_TYPE] )
+                       ? $paramSettings[self::PARAM_TYPE]
+                       : null;
+               $dupes = isset( $paramSettings[self::PARAM_ALLOW_DUPLICATES] )
+                       ? $paramSettings[self::PARAM_ALLOW_DUPLICATES]
+                       : false;
+               $deprecated = isset( $paramSettings[self::PARAM_DEPRECATED] )
+                       ? $paramSettings[self::PARAM_DEPRECATED]
+                       : false;
+               $required = isset( $paramSettings[self::PARAM_REQUIRED] )
+                       ? $paramSettings[self::PARAM_REQUIRED]
+                       : false;
+               $allowAll = isset( $paramSettings[self::PARAM_ALL] )
+                       ? $paramSettings[self::PARAM_ALL]
+                       : false;
+
+               // When type is not given, and no choices, the type is the same as $default
+               if ( !isset( $type ) ) {
+                       if ( isset( $default ) ) {
+                               $type = gettype( $default );
+                       } else {
+                               $type = 'NULL'; // allow everything
                        }
                }
 
@@ -1034,6 +1065,11 @@ abstract class ApiBase extends ContextSource {
 
                        if ( isset( $value ) && $type == 'namespace' ) {
                                $type = MWNamespace::getValidNamespaces();
+                               if ( isset( $paramSettings[self::PARAM_EXTRA_NAMESPACES] ) &&
+                                       is_array( $paramSettings[self::PARAM_EXTRA_NAMESPACES] )
+                               ) {
+                                       $type = array_merge( $type, $paramSettings[self::PARAM_EXTRA_NAMESPACES] );
+                               }
                                // By default, namespace parameters allow ALL_DEFAULT_STRING to be used to specify
                                // all namespaces.
                                $allowAll = true;