39 lines
935 B
PHP
39 lines
935 B
PHP
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<?php
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namespace Wikimedia\DebugInfo;
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/**
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* Utility class for reading doc comment annotations
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*
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* @since 1.40
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*/
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class AnnotationReader {
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/** @var bool[] */
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private static $cache = [];
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/**
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* Determine whether a ReflectionProperty has a specified annotation
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*
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* @param \ReflectionProperty $property
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* @param string $annotationName
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* @return bool
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*/
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public static function propertyHasAnnotation(
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\ReflectionProperty $property,
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string $annotationName
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) {
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$cacheKey = "$annotationName@{$property->class}::{$property->name}";
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if ( !isset( self::$cache[$cacheKey] ) ) {
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$comment = $property->getDocComment();
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if ( $comment === false ) {
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self::$cache[$cacheKey] = false;
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} else {
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$encAnnotation = preg_quote( $annotationName, '!' );
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self::$cache[$cacheKey] =
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(bool)preg_match( "!^[ \t]*(/\*\*|\*)[ \t]*@$encAnnotation\b!im", $comment );
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}
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}
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return self::$cache[$cacheKey];
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}
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}
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