+ // Get parameters
+ $params = $this->extractRequestParams();
+
+ if ( !isset( $params['modules'] ) && !isset( $params['querymodules'] ) ) {
+ $this->dieUsage( '', 'help' );
+ }
+
+ $this->getMain()->setHelp();
+
+ $result = $this->getResult();
+ $queryObj = new ApiQuery( $this->getMain(), 'query' );
+ $r = array();
+ if ( is_array( $params['modules'] ) ) {
+ $modArr = $this->getMain()->getModules();
+
+ foreach ( $params['modules'] as $m ) {
+ if ( !isset( $modArr[$m] ) ) {
+ $r[] = array( 'name' => $m, 'missing' => '' );
+ continue;
+ }
+ $module = new $modArr[$m]( $this->getMain(), $m );
+
+ $r[] = $this->buildModuleHelp( $module, 'action' );
+ }
+ }
+
+ if ( is_array( $params['querymodules'] ) ) {
+ $qmodArr = $queryObj->getModules();
+
+ foreach ( $params['querymodules'] as $qm ) {
+ if ( !isset( $qmodArr[$qm] ) ) {
+ $r[] = array( 'name' => $qm, 'missing' => '' );
+ continue;
+ }
+ $module = new $qmodArr[$qm]( $this, $qm );
+ $type = $queryObj->getModuleType( $qm );
+
+ if ( $type === null ) {
+ $r[] = array( 'name' => $qm, 'missing' => '' );
+ continue;
+ }
+
+ $r[] = $this->buildModuleHelp( $module, $type );
+ }
+ }
+ $result->setIndexedTagName( $r, 'module' );
+ $result->addValue( null, $this->getModuleName(), $r );
+ }
+
+ /**
+ * @param $module ApiBase
+ * @param $type String What type of request is this? e.g. action, query, list, prop, meta, format
+ * @return string
+ */
+ private function buildModuleHelp( $module, $type ) {
+ $msg = ApiMain::makeHelpMsgHeader( $module, $type );
+
+ $msg2 = $module->makeHelpMsg();
+ if ( $msg2 !== false ) {
+ $msg .= $msg2;
+ }
+
+ return $msg;