69babb9350
Rather than retrieving from MediaWikiServices in the factory class, retrieve it in WikiImporter and inject it, so that the factory uses proper DI and the tests can eventually become unit tests Change-Id: I6fe63829f0e65b261b6ae12e17f354333cde70b9
81 lines
3 KiB
PHP
81 lines
3 KiB
PHP
<?php
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/**
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* This program 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
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more 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, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* A parser that translates page titles on a foreign wiki into ForeignTitle
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* objects, with no knowledge of the namespace setup on the foreign site.
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*/
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class NaiveForeignTitleFactory implements ForeignTitleFactory {
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/** @var Language */
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private $contentLanguage;
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/**
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* @param Language $contentLanguage
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*/
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public function __construct( Language $contentLanguage ) {
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$this->contentLanguage = $contentLanguage;
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}
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/**
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* Creates a ForeignTitle object based on the page title, and optionally the
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* namespace ID, of a page on a foreign wiki. These values could be, for
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* example, the <title> and <ns> attributes found in an XML dump.
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*
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* Although exported XML dumps have contained a map of namespace IDs to names
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* since MW 1.5, the importer used to completely ignore the <siteinfo> tag
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* before MW 1.25. It is therefore possible that custom XML dumps (i.e. not
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* generated by Special:Export) have been created without this metadata.
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* As a result, this code falls back to using namespace data for the local
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* wiki (similar to buggy pre-1.25 behaviour) if $ns is not supplied.
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*
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* @param string $title The page title
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* @param int|null $ns The namespace ID, or null if this data is not available
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* @return ForeignTitle
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*/
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public function createForeignTitle( $title, $ns = null ) {
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$pieces = explode( ':', $title, 2 );
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/**
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* Can we assume that the part of the page title before the colon is a
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* namespace name?
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*
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* XML export schema version 0.5 and earlier (MW 1.18 and earlier) does not
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* contain a <ns> tag, so we need to be able to handle that case.
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*
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* If we know the namespace ID, we assume a non-zero namespace ID means
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* the ':' sets off a valid namespace name. If we don't know the namespace
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* ID, we fall back to using the local wiki's namespace names to resolve
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* this -- better than nothing, and mimics the old crappy behavior
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*/
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$isNamespacePartValid = $ns === null
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? $this->contentLanguage->getNsIndex( $pieces[0] ) !== false
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: $ns != 0;
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if ( count( $pieces ) === 2 && $isNamespacePartValid ) {
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list( $namespaceName, $pageName ) = $pieces;
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} else {
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$namespaceName = '';
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$pageName = $title;
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}
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return new ForeignTitle( $ns, $namespaceName, $pageName );
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}
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}
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