MediaWikiPageNameValidator.php
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MediaWikiPageNameValidator.php
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	<?php
	declare( strict_types = 1 );

	namespace MediaWiki\Extension\Translate\Validation\Validators;

	use MediaWiki\Extension\Translate\MessageLoading\Message;
	use MediaWiki\Extension\Translate\Validation\MessageValidator;
	use MediaWiki\Extension\Translate\Validation\ValidationIssue;
	use MediaWiki\Extension\Translate\Validation\ValidationIssues;

	/**
	* Ensures that translations do not translate namespaces.
	* @author Abijeet Patro
	* @license GPL-2.0-or-later
	* @since 2020.02
	*/
	class MediaWikiPageNameValidator implements MessageValidator {
	public function getIssues( Message $message, string $targetLanguage ): ValidationIssues {
	$issues = new ValidationIssues();

	$definition = $message->definition();
	$translation = $message->translation();

	$namespaces = 'help\|project\|\{\{ns:project}}\|mediawiki';
	$matches = [];
	if ( preg_match( "/^($namespaces):[\w\s]+$/ui", $definition, $matches ) &&
	!preg_match( "/^{$matches[1]}:.+$/u", $translation )
	) {
	$issue = new ValidationIssue(
	'pagename',
	'namespace',
	'translate-checks-pagename'
	);
	$issues->add( $issue );
	}

	return $issues;
	}
	}