141 lines
4.5 KiB
PHP
141 lines
4.5 KiB
PHP
<?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
|
|
*
|
|
*/
|
|
|
|
namespace MediaWiki\Category;
|
|
|
|
use MediaWiki\Title\Title;
|
|
use Wikimedia\Purtle\RdfWriter;
|
|
|
|
/**
|
|
* Helper class to produce RDF representation of categories.
|
|
*/
|
|
class CategoriesRdf {
|
|
/**
|
|
* Prefix used for MediaWiki ontology in the dump.
|
|
*/
|
|
private const ONTOLOGY_PREFIX = 'mediawiki';
|
|
/**
|
|
* Base URL for MediaWiki ontology.
|
|
*/
|
|
private const ONTOLOGY_URL = 'https://www.mediawiki.org/ontology#';
|
|
/**
|
|
* OWL description of the ontology.
|
|
*/
|
|
public const OWL_URL = 'https://www.mediawiki.org/ontology/ontology.owl';
|
|
/**
|
|
* Current version of the dump format.
|
|
*/
|
|
public const FORMAT_VERSION = "1.1";
|
|
/**
|
|
* Special page for Dump identification.
|
|
* Used as head URI for each wiki's category dump, e.g.:
|
|
* https://en.wikipedia.org/wiki/Special:CategoryDump
|
|
*/
|
|
private const SPECIAL_DUMP = 'Special:CategoryDump';
|
|
/**
|
|
* @var RdfWriter
|
|
*/
|
|
private $rdfWriter;
|
|
|
|
public function __construct( RdfWriter $writer ) {
|
|
$this->rdfWriter = $writer;
|
|
}
|
|
|
|
/**
|
|
* Setup prefixes relevant for the dump
|
|
*/
|
|
public function setupPrefixes() {
|
|
$this->rdfWriter->prefix( self::ONTOLOGY_PREFIX, self::ONTOLOGY_URL );
|
|
$this->rdfWriter->prefix( 'rdfs', 'http://www.w3.org/2000/01/rdf-schema#' );
|
|
$this->rdfWriter->prefix( 'owl', 'http://www.w3.org/2002/07/owl#' );
|
|
$this->rdfWriter->prefix( 'schema', 'http://schema.org/' );
|
|
$this->rdfWriter->prefix( 'cc', 'http://creativecommons.org/ns#' );
|
|
}
|
|
|
|
/**
|
|
* Write RDF data for link between categories.
|
|
* @param string $fromName Child category name
|
|
* @param string $toName Parent category name
|
|
*/
|
|
public function writeCategoryLinkData( $fromName, $toName ) {
|
|
$titleFrom = Title::makeTitle( NS_CATEGORY, $fromName );
|
|
$titleTo = Title::makeTitle( NS_CATEGORY, $toName );
|
|
$this->rdfWriter->about( $this->titleToUrl( $titleFrom ) )
|
|
->say( self::ONTOLOGY_PREFIX, 'isInCategory' )
|
|
->is( $this->titleToUrl( $titleTo ) );
|
|
}
|
|
|
|
/**
|
|
* Write out the data for single category.
|
|
* @param string $categoryName
|
|
* @param bool $isHidden Hidden category?
|
|
* @param int $pages Page count (note this includes only Wiki articles, not subcats or files)
|
|
* @param int $subcategories Subcategory count
|
|
*/
|
|
public function writeCategoryData( $categoryName, $isHidden, $pages, $subcategories ) {
|
|
if ( $pages < 0 ) {
|
|
// Bugfix for T201119
|
|
$pages = 0;
|
|
}
|
|
$title = Title::makeTitle( NS_CATEGORY, $categoryName );
|
|
$this->rdfWriter->about( $this->titleToUrl( $title ) )
|
|
->say( 'a' )
|
|
->is( self::ONTOLOGY_PREFIX, 'Category' );
|
|
if ( $isHidden ) {
|
|
$this->rdfWriter->is( self::ONTOLOGY_PREFIX, 'HiddenCategory' );
|
|
}
|
|
$titletext = $title->getText();
|
|
$this->rdfWriter->say( 'rdfs', 'label' )->value( $titletext );
|
|
// @phan-suppress-next-line PhanTypeMismatchArgument T302667
|
|
$this->rdfWriter->say( self::ONTOLOGY_PREFIX, 'pages' )->value( $pages );
|
|
// @phan-suppress-next-line PhanTypeMismatchArgument T302667
|
|
$this->rdfWriter->say( self::ONTOLOGY_PREFIX, 'subcategories' )->value( $subcategories );
|
|
// TODO: do we want files too here? Easy to add, but don't have use case so far.
|
|
}
|
|
|
|
/**
|
|
* Make URL from title label
|
|
* @param string $titleLabel Short label (without namespace) of the category
|
|
* @return string URL for the category
|
|
*/
|
|
public function labelToUrl( $titleLabel ) {
|
|
return $this->titleToUrl( Title::makeTitle( NS_CATEGORY, $titleLabel ) );
|
|
}
|
|
|
|
/**
|
|
* Convert Title to link to target page.
|
|
* @param Title $title
|
|
* @return string URL for the category
|
|
*/
|
|
private function titleToUrl( Title $title ) {
|
|
return $title->getFullURL( '', false, PROTO_CANONICAL );
|
|
}
|
|
|
|
/**
|
|
* Get URI of the dump for this particular wiki.
|
|
* @return string
|
|
*/
|
|
public function getDumpURI() {
|
|
return $this->titleToUrl( Title::makeTitle( NS_MAIN, self::SPECIAL_DUMP ) );
|
|
}
|
|
|
|
}
|
|
|
|
/** @deprecated class alias since 1.40 */
|
|
class_alias( CategoriesRdf::class, 'CategoriesRdf' );
|