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31 lines
1011 B
PHP
31 lines
1011 B
PHP
<?php
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declare (strict_types=1);
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namespace Rector\ChangesReporting\Annotation;
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use RectorPrefix20210810\Nette\Utils\Strings;
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use Rector\Core\Contract\Rector\RectorInterface;
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use ReflectionClass;
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/**
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* @see \Rector\Tests\ChangesReporting\Annotation\AnnotationExtractorTest
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*/
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final class AnnotationExtractor
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{
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/**
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* @param class-string<RectorInterface> $className
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*/
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public function extractAnnotationFromClass(string $className, string $annotation) : ?string
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{
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$reflectionClass = new \ReflectionClass($className);
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$docComment = $reflectionClass->getDocComment();
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if (!\is_string($docComment)) {
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return null;
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}
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// @see https://3v4l.org/ouYfB
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// uses 'r?\n' instead of '$' because windows compat
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$pattern = '#' . \preg_quote($annotation, '#') . '\\s+(?<content>.*?)\\r?\\n#m';
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$matches = \RectorPrefix20210810\Nette\Utils\Strings::match($docComment, $pattern);
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return $matches['content'] ?? null;
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}
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}
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