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JavaScriptContentHandler.php
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JavaScriptContentHandler.php
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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
*/
namespace MediaWiki\Content;
use MediaWiki\Content\Renderer\ContentParseParams;
use MediaWiki\Content\Transform\PreSaveTransformParams;
use MediaWiki\Html\Html;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\Page\WikiPage;
use MediaWiki\Parser\ParserOutput;
use MediaWiki\Parser\ParserOutputFlags;
use MediaWiki\Title\Title;
/**
* Content handler for JavaScript pages.
*
* @todo Create a ScriptContentHandler base class, do highlighting stuff there?
*
* @since 1.21
* @ingroup Content
*/
class JavaScriptContentHandler extends CodeContentHandler {
/**
* @param string $modelId
*/
public function __construct( $modelId = CONTENT_MODEL_JAVASCRIPT ) {
parent::__construct( $modelId, [ CONTENT_FORMAT_JAVASCRIPT ] );
}
/**
* @return class-string<JavaScriptContent>
*/
protected function getContentClass() {
return JavaScriptContent::class;
}
public function supportsRedirects() {
return true;
}
/**
* Create a redirect that is also valid JavaScript
*
* @param Title $destination
* @param string $text ignored
* @return JavaScriptContent
*/
public function makeRedirectContent( Title $destination, $text = '' ) {
// The parameters are passed as a string so the / is not url-encoded by wfArrayToCgi
$url = $destination->getFullURL( 'action=raw&ctype=text/javascript', false, PROTO_RELATIVE );
$class = $this->getContentClass();
// Don't needlessly encode ampersands in URLs (T107289).
// Avoid FormatJson or Html::encodeJsCall to ensure long-term byte-identical stability,
// as required for JavaScriptContent::getRedirectTarget validation.
$redirectContent = '/* #REDIRECT */mw.loader.load('
. json_encode( $url, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE )
. ');';
return new $class( $redirectContent );
}
public function preSaveTransform(
Content $content,
PreSaveTransformParams $pstParams
): Content {
'@phan-var JavascriptContent $content';
$parserOptions = $pstParams->getParserOptions();
// @todo Make pre-save transformation optional for script pages (T34858)
$services = MediaWikiServices::getInstance();
if ( !$services->getUserOptionsLookup()->getBoolOption( $pstParams->getUser(), 'pst-cssjs' ) ) {
// Allow bot users to disable the pre-save transform for CSS/JS (T236828).
$parserOptions = clone $parserOptions;
$parserOptions->setPreSaveTransform( false );
}
$text = $content->getText();
$pst = $services->getParserFactory()->getInstance()->preSaveTransform(
$text,
$pstParams->getPage(),
$pstParams->getUser(),
$parserOptions
);
$contentClass = $this->getContentClass();
return new $contentClass( $pst );
}
/**
* Fills the provided ParserOutput object with information derived from the content.
* Unless $cpo->getGenerateHtml was false, this includes an HTML representation of the content.
*
* For content models listed in $wgTextModelsToParse, this method will call the MediaWiki
* wikitext parser on the text to extract any (wikitext) links, magic words, etc.
*
* Subclasses may override this to provide custom content processing..
*
* @stable to override
*
* @since 1.38
* @param Content $content
* @param ContentParseParams $cpoParams
* @param ParserOutput &$output The output object to fill (reference).
*/
protected function fillParserOutput(
Content $content,
ContentParseParams $cpoParams,
ParserOutput &$output
) {
$textModelsToParse = MediaWikiServices::getInstance()->getMainConfig()->get(
MainConfigNames::TextModelsToParse );
'@phan-var JavaScriptContent $content';
if ( in_array( $content->getModel(), $textModelsToParse ) ) {
// parse just to get links etc into the database, HTML is replaced below.
$output = MediaWikiServices::getInstance()->getParserFactory()->getInstance()
->parse(
$content->getText(),
$cpoParams->getPage(),
WikiPage::makeParserOptionsFromTitleAndModel(
$cpoParams->getPage(),
$content->getModel(),
'canonical'
),
true,
true,
$cpoParams->getRevId()
);
}
if ( $cpoParams->getGenerateHtml() ) {
// Return JavaScript wrapped in a <pre> tag.
$html = Html::element(
'pre',
[ 'class' => [ 'mw-code', 'mw-js' ], 'dir' => 'ltr' ],
"\n" . $content->getText() . "\n"
) . "\n";
} else {
$html = null;
}
$output->clearWrapperDivClass();
$output->setRawText( $html );
// Suppress the TOC (T307691)
$output->setOutputFlag( ParserOutputFlags::NO_TOC );
$output->setSections( [] );
}
}
/** @deprecated class alias since 1.43 */
class_alias( JavaScriptContentHandler::class, 'JavaScriptContentHandler' );

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