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<?php
/**
* Content handler for wiki text pages.
*
* 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
*
* @since 1.21
*
* @file
* @ingroup Content
*/
use MediaWiki\Languages\LanguageNameUtils;
use MediaWiki\MediaWikiServices;
/**
* Content handler for wiki text pages.
*
* @ingroup Content
*/
class WikitextContentHandler extends TextContentHandler {
public function __construct( $modelId = CONTENT_MODEL_WIKITEXT ) {
parent::__construct( $modelId, [ CONTENT_FORMAT_WIKITEXT ] );
}
protected function getContentClass() {
return WikitextContent::class;
}
/**
* Returns a WikitextContent object representing a redirect to the given destination page.
*
* @param Title $destination The page to redirect to.
* @param string $text Text to include in the redirect, if possible.
*
* @return Content
*
* @see ContentHandler::makeRedirectContent
*/
public function makeRedirectContent( Title $destination, $text = '' ) {
$optionalColon = '';
$services = MediaWikiServices::getInstance();
if ( $destination->getNamespace() == NS_CATEGORY ) {
$optionalColon = ':';
} else {
$iw = $destination->getInterwiki();
if ( $iw && $services
->getLanguageNameUtils()
->getLanguageName( $iw,
LanguageNameUtils::AUTONYMS,
LanguageNameUtils::DEFINED )
) {
$optionalColon = ':';
}
}
$mwRedir = $services->getMagicWordFactory()->get( 'redirect' );
$redirectText = $mwRedir->getSynonym( 0 ) .
' [[' . $optionalColon . $destination->getFullText() . ']]';
if ( $text != '' ) {
$redirectText .= "\n" . $text;
}
$class = $this->getContentClass();
return new $class( $redirectText );
}
/**
* Returns true because wikitext supports redirects.
*
* @return bool Always true.
*
* @see ContentHandler::supportsRedirects
*/
public function supportsRedirects() {
return true;
}
/**
* Returns true because wikitext supports sections.
*
* @return bool Always true.
*
* @see ContentHandler::supportsSections
*/
public function supportsSections() {
return true;
}
/**
* Returns true, because wikitext supports caching using the
* ParserCache mechanism.
*
* @since 1.21
*
* @return bool Always true.
*
* @see ContentHandler::isParserCacheSupported
*/
public function isParserCacheSupported() {
return true;
}
/**
* Get file handler
* @return FileContentHandler
*/
protected function getFileHandler() {
return new FileContentHandler();
}
public function getFieldsForSearchIndex( SearchEngine $engine ) {
$fields = parent::getFieldsForSearchIndex( $engine );
$fields['heading'] =
$engine->makeSearchFieldMapping( 'heading', SearchIndexField::INDEX_TYPE_TEXT );
$fields['heading']->setFlag( SearchIndexField::FLAG_SCORING );
$fields['auxiliary_text'] =
$engine->makeSearchFieldMapping( 'auxiliary_text', SearchIndexField::INDEX_TYPE_TEXT );
$fields['opening_text'] =
$engine->makeSearchFieldMapping( 'opening_text', SearchIndexField::INDEX_TYPE_TEXT );
$fields['opening_text']->setFlag(
SearchIndexField::FLAG_SCORING | SearchIndexField::FLAG_NO_HIGHLIGHT
);
// Until we have full first-class content handler for files, we invoke it explicitly here
$fields = array_merge( $fields, $this->getFileHandler()->getFieldsForSearchIndex( $engine ) );
return $fields;
}
public function getDataForSearchIndex(
WikiPage $page,
ParserOutput $parserOutput,
SearchEngine $engine
) {
$fields = parent::getDataForSearchIndex( $page, $parserOutput, $engine );
$structure = new WikiTextStructure( $parserOutput );
$fields['heading'] = $structure->headings();
// text fields
$fields['opening_text'] = $structure->getOpeningText();
$fields['text'] = $structure->getMainText(); // overwrites one from ContentHandler
$fields['auxiliary_text'] = $structure->getAuxiliaryText();
$fields['defaultsort'] = $structure->getDefaultSort();
// Until we have full first-class content handler for files, we invoke it explicitly here
if ( $page->getTitle()->getNamespace() == NS_FILE ) {
$fields = array_merge( $fields,
$this->getFileHandler()->getDataForSearchIndex( $page, $parserOutput, $engine ) );
}
return $fields;
}
/**
* Returns the content's text as-is.
*
* @param Content $content
* @param string|null $format The serialization format to check
*
* @return mixed
*/
public function serializeContent( Content $content, $format = null ) {
$this->checkFormat( $format );
// NOTE: MessageContent also uses CONTENT_MODEL_WIKITEXT, but it's not a TextContent!
// Perhaps MessageContent should use a separate ContentHandler instead.
if ( $content instanceof MessageContent ) {
return $content->getMessage()->plain();
}
return parent::serializeContent( $content, $format );
}
}
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