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<?php |
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/** |
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* File holding the Lingo\Backend class |
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* |
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* This file is part of the MediaWiki extension Lingo. |
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* |
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* @copyright 2011 - 2016, Stephan Gambke |
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* @license GNU General Public License, version 2 (or any later version) |
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* |
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* The Lingo extension is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by the Free |
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* Software Foundation; either version 2 of the License, or (at your option) any |
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* later version. |
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* |
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* The Lingo extension is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* @author Stephan Gambke |
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* @file |
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* @ingroup Lingo |
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*/ |
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namespace Lingo; |
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/** |
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* The Lingo\Backend class. |
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* |
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* @ingroup Lingo |
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*/ |
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abstract class Backend { |
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protected $mMessageLog; |
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/** |
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* Lingo\Backend constructor. |
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* @param MessageLog|null $messages |
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*/ |
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public function __construct( MessageLog &$messages = null ) { |
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if ( !$messages ) { |
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$this->mMessageLog = new MessageLog(); |
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} else { |
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$this->mMessageLog = $messages; |
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} |
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} |
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/** |
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* @return MessageLog |
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*/ |
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public function getMessageLog() { |
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return $this->mMessageLog; |
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} |
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/** |
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* This function returns true if the backend is cache-enabled. |
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* |
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* Actual caching is done by the parser, but to be cache-enabled the backend |
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* has to call Lingo\LingoParser::purgeCache when necessary. |
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* |
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* @return boolean |
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*/ |
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public function useCache() { |
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return false; |
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} |
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/** |
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* This function returns the next element. The element is an array of four |
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* strings: Term, Definition, Link, Source. If there is no next element the |
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* function returns null. |
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* |
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* @return Element | null |
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*/ |
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abstract public function next(); |
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} |
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wikimedia /
mediawiki-extensions-Lingo
