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| 1 | <?php |
| 2 | |
| 3 | namespace Wikimedia\DebugInfo; |
| 4 | |
| 5 | /** |
| 6 | * Utility class for reading doc comment annotations |
| 7 | * |
| 8 | * @since 1.40 |
| 9 | */ |
| 10 | class AnnotationReader { |
| 11 | /** @var bool[] */ |
| 12 | private static $cache = []; |
| 13 | |
| 14 | /** |
| 15 | * Determine whether a ReflectionProperty has a specified annotation |
| 16 | * |
| 17 | * @param \ReflectionProperty $property |
| 18 | * @param string $annotationName |
| 19 | * @return bool |
| 20 | */ |
| 21 | public static function propertyHasAnnotation( |
| 22 | \ReflectionProperty $property, |
| 23 | string $annotationName |
| 24 | ) { |
| 25 | $cacheKey = "$annotationName@{$property->class}::{$property->name}"; |
| 26 | if ( !isset( self::$cache[$cacheKey] ) ) { |
| 27 | $comment = $property->getDocComment(); |
| 28 | if ( $comment === false ) { |
| 29 | self::$cache[$cacheKey] = false; |
| 30 | } else { |
| 31 | $encAnnotation = preg_quote( $annotationName, '!' ); |
| 32 | self::$cache[$cacheKey] = |
| 33 | (bool)preg_match( "!^[ \t]*(/\*\*|\*)[ \t]*@$encAnnotation\b!im", $comment ); |
| 34 | } |
| 35 | } |
| 36 | return self::$cache[$cacheKey]; |
| 37 | } |
| 38 | } |