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<?php
/**
* 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
*/
/**
* A class to convert page titles on a foreign wiki (ForeignTitle objects) into
* page titles on the local wiki (Title objects), placing all pages as subpages
* of a given root page.
*/
class SubpageImportTitleFactory implements ImportTitleFactory {
/** @var TitleFactory */
private $titleFactory;
/** @var Title */
private $rootPage;
/**
* @param NamespaceInfo $namespaceInfo
* @param TitleFactory $titleFactory
* @param Title $rootPage The root page under which all pages should be created
*/
public function __construct(
NamespaceInfo $namespaceInfo,
TitleFactory $titleFactory,
Title $rootPage
) {
if ( !$namespaceInfo->hasSubpages( $rootPage->getNamespace() ) ) {
throw new MWException( "The root page you specified, $rootPage, is in a " .
"namespace where subpages are not allowed" );
}
$this->titleFactory = $titleFactory;
$this->rootPage = $rootPage;
}
/**
* Determines which local title best corresponds to the given foreign title.
* If such a title can't be found or would be locally invalid, null is
* returned.
*
* @param ForeignTitle $foreignTitle The ForeignTitle to convert
* @return Title|null
*/
public function createTitleFromForeignTitle( ForeignTitle $foreignTitle ) {
return $this->titleFactory->newFromText(
$this->rootPage->getPrefixedDBkey() . '/' . $foreignTitle->getFullText()
);
}
}
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