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<?php
/**
 * Represents a link rendering service for %MediaWiki.
 *
 * 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
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 * @license GPL 2+
 * @author Daniel Kinzler
 */

/**
 * Represents a link rendering service for %MediaWiki.
 *
 * This is designed to encapsulate the knowledge about how page titles map to
 * URLs, and how links are encoded in a given output format.
 *
 * @see https://www.mediawiki.org/wiki/Requests_for_comment/TitleValue
 * @since 1.23
 */
interface PageLinkRenderer {
	/**
	 * Returns the URL for the given page.
	 *
	 * @todo expand this to cover the functionality of Linker::linkUrl
	 *
	 * @param TitleValue $page The link's target
	 * @param array $params Any additional URL parameters.
	 *
	 * @return string
	 */
	public function getPageUrl( TitleValue $page, $params = array() );

	/**
	 * Returns an HTML link to the given page, using the given surface text.
	 *
	 * @todo expand this to cover the functionality of Linker::link
	 *
	 * @param TitleValue $page The link's target
	 * @param string $text The link's surface text (will be derived from $page if not given).
	 *
	 * @return string
	 */
	public function renderHtmlLink( TitleValue $page, $text = null );

	/**
	 * Returns a wikitext link to the given page, using the given surface text.
	 *
	 * @param TitleValue $page The link's target
	 * @param string $text The link's surface text (will be derived from $page if not given).
	 *
	 * @return string
	 */
	public function renderWikitextLink( TitleValue $page, $text = null );
}