1 files changed, 118 insertions, 0 deletions
diff --git a/MLEB/Translate/src/MessageValidator/ValidatorFactory.php b/MLEB/Translate/src/MessageValidator/ValidatorFactory.php
new file mode 100644
index 00000000..0bc46171
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+++ b/MLEB/Translate/src/MessageValidator/ValidatorFactory.php
@@ -0,0 +1,118 @@
+<?php
+declare( strict_types = 1 );
+
+namespace MediaWiki\Extensions\Translate\MessageValidator;
+
+use InvalidArgumentException;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\BraceBalanceValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\EscapeCharacterValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\GettextNewlineValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\GettextPluralValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\InsertableRegexValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\InsertableRubyVariableValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\IosVariableValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\MatchSetValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\MediaWikiLinkValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\MediaWikiPageNameValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\MediaWikiParameterValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\MediaWikiPluralValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\MediaWikiTimeListValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\NewlineValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\NumericalParameterValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\PrintfValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\PythonInterpolationValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\ReplacementValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\SmartFormatPluralValidator;
+use MediaWiki\Extensions\Translate\MessageValidator\Validators\UnicodePluralValidator;
+use MediaWiki\Extensions\Translate\Validation\LegacyValidatorAdapter;
+use MediaWiki\Extensions\Translate\Validation\MessageValidator;
+use RuntimeException;
+
+/**
+ * A factory class used to instantiate instances of pre-provided Validators
+ *
+ * @author Abijeet Patro
+ * @license GPL-2.0-or-later
+ * @since 2019.06
+ */
+class ValidatorFactory {
+	/** @var string[] */
+	protected static $validators = [
+		'BraceBalance' => BraceBalanceValidator::class,
+		'EscapeCharacter' => EscapeCharacterValidator::class,
+		'GettextNewline' => GettextNewlineValidator::class,
+		'GettextPlural' => GettextPluralValidator::class,
+		'InsertableRegex' => InsertableRegexValidator::class,
+		'InsertableRubyVariable' => InsertableRubyVariableValidator::class,
+		'IosVariable' => IosVariableValidator::class,
+		'MatchSet' => MatchSetValidator::class,
+		'MediaWikiLink' => MediaWikiLinkValidator::class,
+		'MediaWikiPageName' => MediaWikiPageNameValidator::class,
+		'MediaWikiParameter' => MediaWikiParameterValidator::class,
+		'MediaWikiPlural' => MediaWikiPluralValidator::class,
+		'MediaWikiTimeList' => MediaWikiTimeListValidator::class,
+		'Newline' => NewlineValidator::class,
+		'NumericalParameter' => NumericalParameterValidator::class,
+		'Printf' => PrintfValidator::class,
+		'PythonInterpolation' => PythonInterpolationValidator::class,
+		'Replacement' => ReplacementValidator::class,
+		'SmartFormatPlural' => SmartFormatPluralValidator::class,
+		'UnicodePlural' => UnicodePluralValidator::class,
+		// BC: remove when unused
+		'WikiLink' => MediaWikiLinkValidator::class,
+		// BC: remove when unused
+		'WikiParameter' => MediaWikiParameterValidator::class,
+	];
+
+	/**
+	 * Returns a validator instance based on the id specified
+	 *
+	 * @param string $id Id of the pre-defined validator class
+	 * @param mixed|null $params
+	 * @throws InvalidArgumentException
+	 * @return MessageValidator
+	 */
+	public static function get( $id, $params = null ) {
+		if ( !isset( self::$validators[ $id ] ) ) {
+			throw new InvalidArgumentException( "Could not find validator with id - '$id'. " );
+		}
+
+		return self::loadInstance( self::$validators[ $id ], $params );
+	}
+
+	/**
+	 * Takes a Validator class name, and returns an instance of that class.
+	 *
+	 * @param string $class Custom validator class name
+	 * @param mixed|null $params
+	 * @throws InvalidArgumentException
+	 * @return MessageValidator
+	 */
+	public static function loadInstance( $class, $params = null ): MessageValidator {
+		if ( !class_exists( $class ) ) {
+			throw new InvalidArgumentException( "Could not find validator class - '$class'. " );
+		}
+
+		$validator = new $class( $params );
+
+		if ( $validator instanceof Validator ) {
+			return new LegacyValidatorAdapter( $validator );
+		}
+
+		return $validator;
+	}
+
+	/**
+	 * Adds / Updates available list of validators
+	 * @param string $id Id of the validator
+	 * @param string $validator Validator class name
+	 * @param string $ns
+	 */
+	public static function set( $id, $validator, $ns = '\\' ) {
+		if ( !class_exists( $ns . $validator ) ) {
+			throw new RuntimeException( 'Could not find validator class - ' . $ns . $validator );
+		}
+
+		self::$validators[ $id ] = $ns . $validator;
+	}
+}