390 lines
11 KiB
PHP
390 lines
11 KiB
PHP
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<?php
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namespace Doctrine\Common\Annotations;
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use Doctrine\Common\Annotations\Annotation\IgnoreAnnotation;
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use Doctrine\Common\Annotations\Annotation\Target;
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use ReflectionClass;
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use ReflectionFunction;
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use ReflectionMethod;
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use ReflectionProperty;
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use function array_merge;
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use function class_exists;
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use function extension_loaded;
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use function ini_get;
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/**
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* A reader for docblock annotations.
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*/
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class AnnotationReader implements Reader
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{
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/**
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* Global map for imports.
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*
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* @var array<string, class-string>
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*/
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private static $globalImports = [
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'ignoreannotation' => Annotation\IgnoreAnnotation::class,
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];
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/**
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* A list with annotations that are not causing exceptions when not resolved to an annotation class.
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*
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* The names are case sensitive.
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*
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* @var array<string, true>
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*/
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private static $globalIgnoredNames = ImplicitlyIgnoredAnnotationNames::LIST;
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/**
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* A list with annotations that are not causing exceptions when not resolved to an annotation class.
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*
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* The names are case sensitive.
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*
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* @var array<string, true>
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*/
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private static $globalIgnoredNamespaces = [];
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/**
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* Add a new annotation to the globally ignored annotation names with regard to exception handling.
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*
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* @param string $name
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*/
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public static function addGlobalIgnoredName($name)
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{
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self::$globalIgnoredNames[$name] = true;
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}
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/**
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* Add a new annotation to the globally ignored annotation namespaces with regard to exception handling.
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*
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* @param string $namespace
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*/
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public static function addGlobalIgnoredNamespace($namespace)
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{
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self::$globalIgnoredNamespaces[$namespace] = true;
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}
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/**
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* Annotations parser.
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*
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* @var DocParser
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*/
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private $parser;
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/**
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* Annotations parser used to collect parsing metadata.
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*
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* @var DocParser
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*/
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private $preParser;
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/**
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* PHP parser used to collect imports.
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*
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* @var PhpParser
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*/
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private $phpParser;
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/**
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* In-memory cache mechanism to store imported annotations per class.
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*
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* @psalm-var array<'class'|'function', array<string, array<string, class-string>>>
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*/
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private $imports = [];
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/**
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* In-memory cache mechanism to store ignored annotations per class.
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*
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* @psalm-var array<'class'|'function', array<string, array<string, true>>>
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*/
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private $ignoredAnnotationNames = [];
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/**
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* Initializes a new AnnotationReader.
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*
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* @throws AnnotationException
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*/
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public function __construct(?DocParser $parser = null)
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{
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if (
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extension_loaded('Zend Optimizer+') && (ini_get('zend_optimizerplus.save_comments') === '0' ||
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ini_get('opcache.save_comments') === '0')
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) {
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throw AnnotationException::optimizerPlusSaveComments();
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}
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if (extension_loaded('Zend OPcache') && ini_get('opcache.save_comments') === 0) {
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throw AnnotationException::optimizerPlusSaveComments();
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}
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// Make sure that the IgnoreAnnotation annotation is loaded
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class_exists(IgnoreAnnotation::class);
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$this->parser = $parser ?: new DocParser();
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$this->preParser = new DocParser();
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$this->preParser->setImports(self::$globalImports);
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$this->preParser->setIgnoreNotImportedAnnotations(true);
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$this->preParser->setIgnoredAnnotationNames(self::$globalIgnoredNames);
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$this->phpParser = new PhpParser();
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}
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/**
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* {@inheritDoc}
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*/
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public function getClassAnnotations(ReflectionClass $class)
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{
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$this->parser->setTarget(Target::TARGET_CLASS);
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$this->parser->setImports($this->getImports($class));
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$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($class));
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$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
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return $this->parser->parse($class->getDocComment(), 'class ' . $class->getName());
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}
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/**
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* {@inheritDoc}
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*/
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public function getClassAnnotation(ReflectionClass $class, $annotationName)
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{
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$annotations = $this->getClassAnnotations($class);
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foreach ($annotations as $annotation) {
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if ($annotation instanceof $annotationName) {
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return $annotation;
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}
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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public function getPropertyAnnotations(ReflectionProperty $property)
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{
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$class = $property->getDeclaringClass();
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$context = 'property ' . $class->getName() . '::$' . $property->getName();
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$this->parser->setTarget(Target::TARGET_PROPERTY);
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$this->parser->setImports($this->getPropertyImports($property));
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$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($class));
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$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
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return $this->parser->parse($property->getDocComment(), $context);
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}
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/**
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* {@inheritDoc}
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*/
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public function getPropertyAnnotation(ReflectionProperty $property, $annotationName)
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{
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$annotations = $this->getPropertyAnnotations($property);
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foreach ($annotations as $annotation) {
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if ($annotation instanceof $annotationName) {
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return $annotation;
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}
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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public function getMethodAnnotations(ReflectionMethod $method)
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{
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$class = $method->getDeclaringClass();
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$context = 'method ' . $class->getName() . '::' . $method->getName() . '()';
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$this->parser->setTarget(Target::TARGET_METHOD);
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$this->parser->setImports($this->getMethodImports($method));
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$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($class));
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$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
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return $this->parser->parse($method->getDocComment(), $context);
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}
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/**
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* {@inheritDoc}
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*/
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public function getMethodAnnotation(ReflectionMethod $method, $annotationName)
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{
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$annotations = $this->getMethodAnnotations($method);
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foreach ($annotations as $annotation) {
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if ($annotation instanceof $annotationName) {
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return $annotation;
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}
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}
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return null;
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}
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/**
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* Gets the annotations applied to a function.
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*
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* @phpstan-return list<object> An array of Annotations.
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*/
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public function getFunctionAnnotations(ReflectionFunction $function): array
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{
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$context = 'function ' . $function->getName();
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$this->parser->setTarget(Target::TARGET_FUNCTION);
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$this->parser->setImports($this->getImports($function));
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$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($function));
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$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
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return $this->parser->parse($function->getDocComment(), $context);
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}
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/**
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* Gets a function annotation.
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*
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* @return object|null The Annotation or NULL, if the requested annotation does not exist.
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*/
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public function getFunctionAnnotation(ReflectionFunction $function, string $annotationName)
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{
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$annotations = $this->getFunctionAnnotations($function);
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foreach ($annotations as $annotation) {
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if ($annotation instanceof $annotationName) {
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return $annotation;
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}
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}
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return null;
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}
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/**
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* Returns the ignored annotations for the given class or function.
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*
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* @param ReflectionClass|ReflectionFunction $reflection
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*
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* @return array<string, true>
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*/
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private function getIgnoredAnnotationNames($reflection): array
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{
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$type = $reflection instanceof ReflectionClass ? 'class' : 'function';
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$name = $reflection->getName();
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if (isset($this->ignoredAnnotationNames[$type][$name])) {
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return $this->ignoredAnnotationNames[$type][$name];
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}
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$this->collectParsingMetadata($reflection);
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return $this->ignoredAnnotationNames[$type][$name];
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}
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/**
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* Retrieves imports for a class or a function.
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*
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* @param ReflectionClass|ReflectionFunction $reflection
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*
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* @return array<string, class-string>
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*/
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private function getImports($reflection): array
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{
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$type = $reflection instanceof ReflectionClass ? 'class' : 'function';
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$name = $reflection->getName();
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if (isset($this->imports[$type][$name])) {
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return $this->imports[$type][$name];
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}
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$this->collectParsingMetadata($reflection);
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return $this->imports[$type][$name];
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}
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/**
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* Retrieves imports for methods.
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*
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* @return array<string, class-string>
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*/
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private function getMethodImports(ReflectionMethod $method)
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{
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$class = $method->getDeclaringClass();
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$classImports = $this->getImports($class);
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$traitImports = [];
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foreach ($class->getTraits() as $trait) {
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if (
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! $trait->hasMethod($method->getName())
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|| $trait->getFileName() !== $method->getFileName()
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) {
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continue;
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}
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$traitImports = array_merge($traitImports, $this->phpParser->parseUseStatements($trait));
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}
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return array_merge($classImports, $traitImports);
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}
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/**
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* Retrieves imports for properties.
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*
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* @return array<string, class-string>
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*/
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private function getPropertyImports(ReflectionProperty $property)
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{
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$class = $property->getDeclaringClass();
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$classImports = $this->getImports($class);
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$traitImports = [];
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foreach ($class->getTraits() as $trait) {
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if (! $trait->hasProperty($property->getName())) {
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continue;
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}
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$traitImports = array_merge($traitImports, $this->phpParser->parseUseStatements($trait));
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}
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return array_merge($classImports, $traitImports);
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}
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/**
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* Collects parsing metadata for a given class or function.
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*
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* @param ReflectionClass|ReflectionFunction $reflection
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*/
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private function collectParsingMetadata($reflection): void
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{
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$type = $reflection instanceof ReflectionClass ? 'class' : 'function';
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$name = $reflection->getName();
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$ignoredAnnotationNames = self::$globalIgnoredNames;
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$annotations = $this->preParser->parse($reflection->getDocComment(), $type . ' ' . $name);
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foreach ($annotations as $annotation) {
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if (! ($annotation instanceof IgnoreAnnotation)) {
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continue;
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}
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foreach ($annotation->names as $annot) {
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$ignoredAnnotationNames[$annot] = true;
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}
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}
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$this->imports[$type][$name] = array_merge(
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self::$globalImports,
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$this->phpParser->parseUseStatements($reflection),
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[
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'__NAMESPACE__' => $reflection->getNamespaceName(),
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'self' => $name,
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]
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);
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$this->ignoredAnnotationNames[$type][$name] = $ignoredAnnotationNames;
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}
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}
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