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JsonSchemaContentHandler.php
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JsonSchemaContentHandler.php
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<?php
/**
* JSON Schema Content Handler
*
* @file
* @ingroup Extensions
* @ingroup EventLogging
*
* @author Ori Livneh <ori@wikimedia.org>
*/
namespace MediaWiki\Extension\EventLogging;
use MediaWiki\Content\Content;
use MediaWiki\Content\JsonContentHandler;
use MediaWiki\Content\Renderer\ContentParseParams;
use MediaWiki\Html\Html;
use MediaWiki\Parser\ParserOutput;
use MediaWiki\SyntaxHighlight\SyntaxHighlight;
use MediaWiki\Title\Title;
class JsonSchemaContentHandler extends JsonContentHandler {
private ?SyntaxHighlight $syntaxHighlight;
/** @inheritDoc */
public function __construct(
$modelId,
?SyntaxHighlight $syntaxHighlight
) {
parent::__construct( $modelId );
$this->syntaxHighlight = $syntaxHighlight;
}
/** @inheritDoc */
public function canBeUsedOn( Title $title ) {
return $title->inNamespace( NS_SCHEMA );
}
/**
* Wraps HTML representation of content.
*
* If the schema already exists and if the SyntaxHighlight
* extension is installed, use it to render code snippets
* showing how to use schema.
*
* @see https://mediawiki.org/wiki/Extension:SyntaxHighlight_GeSHi
*
* @param Content $content
* @param ContentParseParams $cpoParams
* @param ParserOutput &$parserOutput The output object to fill (reference).
*/
protected function fillParserOutput(
Content $content,
ContentParseParams $cpoParams,
ParserOutput &$parserOutput
) {
'@phan-var JsonSchemaContent $content';
$page = $cpoParams->getPage();
$revId = $cpoParams->getRevId();
parent::fillParserOutput( $content, $cpoParams, $parserOutput );
if ( $revId !== null && $this->syntaxHighlight ) {
$html = '';
foreach ( $content->getCodeSamples( $page->getDBkey(), $revId ) as $sample ) {
$lang = $sample['language'];
$code = $sample['code'];
$highlighted = $this->syntaxHighlight->syntaxHighlight( $code, $lang )->getValue();
$html .= Html::element( 'h2',
[],
wfMessage( $sample['header'] )->text()
) . $highlighted;
}
// The glyph is '< >' from the icon font 'Entypo' (see ../modules).
$html = Html::rawElement( 'div', [ 'class' => 'mw-json-schema-code-glyph' ], '&#xe714;' ) .
Html::rawElement( 'div', [ 'class' => 'mw-json-schema-code-samples' ], $html );
$parserOutput->setIndicator( 'schema-code-samples', $html );
$parserOutput->addModules( [ 'ext.eventLogging.jsonSchema', 'ext.pygments' ] );
$parserOutput->addModuleStyles( [ 'ext.eventLogging.jsonSchema.styles' ] );
}
}
/** @inheritDoc */
protected function getContentClass() {
return JsonSchemaContent::class;
}
}

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