Cross-language language name search

Implementation of Also Written As language name
search algorithm.
See http://etherpad.wikimedia.org/l10n-uls-language-search

Change-Id: Iff84408c531b650a44d031b63d5c823737cceafc

api/ApiLanguageSearch.php

@@ -0,0 +1,66 @@
+<?php
+/**
+ * Language name search API
+ *
+ * Copyright (C) 2012 Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris,
+ * Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and other
+ * contributors. See CREDITS for a list.
+ *
+ * UniversalLanguageSelector is dual licensed GPLv2 or later and MIT. You don't
+ * have to do anything special to choose one license or the other and you don't
+ * have to notify anyone which license you are using. You are free to use
+ * UniversalLanguageSelector in commercial projects as long as the copyright
+ * header is left intact. See files GPL-LICENSE and MIT-LICENSE for details.
+ *
+ * @file
+ * @ingroup Extensions
+ * @licence GNU General Public Licence 2.0 or later
+ * @licence MIT License
+ */
+
+/**
+ * @ingroup API
+ */
+class ApiLanguageSearch extends ApiBase {
+
+	public function getCustomPrinter() {
+		return $this->getMain()->createPrinterByName( 'json' );
+	}
+
+	public function execute() {
+		$params = $this->extractRequestParams();
+		$search = $params['search'];
+		$searches = LanguageNameSearch::search( $search );
+		$result = $this->getResult();
+		$result->addValue( null, $this->getModuleName(), $searches );
+	}
+
+	public function getAllowedParams() {
+		return array(
+			'search' => array(
+				ApiBase::PARAM_REQUIRED => true
+			),
+		);
+	}
+
+	public function getParamDescription() {
+		return array(
+			'search' => 'Search string',
+		);
+	}
+
+	public function getDescription() {
+		return 'Search for language names in any script';
+	}
+
+	public function getExamples() {
+		return array(
+			'api.php?action=languagesearch&search=Te',
+			'api.php?action=languagesearch&search=ഫി',
+		);
+	}
+	public function getVersion() {
+		return __CLASS__ . ': ' . ULS_VERSION;
+	}
+
+}