Viewing file:  AnnotationReader.php (11.24 KB) -rw-r--r--
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<?php
namespace Doctrine\Common\Annotations;
use Doctrine\Common\Annotations\Annotation\IgnoreAnnotation;
use Doctrine\Common\Annotations\Annotation\Target;
use ReflectionClass;
use ReflectionFunction;
use ReflectionMethod;
use ReflectionProperty;
use function array_merge;
use function class_exists;
use function extension_loaded;
use function ini_get;
/**
* A reader for docblock annotations.
*/
class AnnotationReader implements Reader
{
/**
* Global map for imports.
*
* @var array<string, class-string>
*/
private static $globalImports = [
'ignoreannotation' => Annotation\IgnoreAnnotation::class,
];
/**
* A list with annotations that are not causing exceptions when not resolved to an annotation class.
*
* The names are case sensitive.
*
* @var array<string, true>
*/
private static $globalIgnoredNames = ImplicitlyIgnoredAnnotationNames::LIST;
/**
* A list with annotations that are not causing exceptions when not resolved to an annotation class.
*
* The names are case sensitive.
*
* @var array<string, true>
*/
private static $globalIgnoredNamespaces = [];
/**
* Add a new annotation to the globally ignored annotation names with regard to exception handling.
*
* @param string $name
*/
public static function addGlobalIgnoredName($name)
{
self::$globalIgnoredNames[$name] = true;
}
/**
* Add a new annotation to the globally ignored annotation namespaces with regard to exception handling.
*
* @param string $namespace
*/
public static function addGlobalIgnoredNamespace($namespace)
{
self::$globalIgnoredNamespaces[$namespace] = true;
}
/**
* Annotations parser.
*
* @var DocParser
*/
private $parser;
/**
* Annotations parser used to collect parsing metadata.
*
* @var DocParser
*/
private $preParser;
/**
* PHP parser used to collect imports.
*
* @var PhpParser
*/
private $phpParser;
/**
* In-memory cache mechanism to store imported annotations per class.
*
* @psalm-var array<'class'|'function', array<string, array<string, class-string>>>
*/
private $imports = [];
/**
* In-memory cache mechanism to store ignored annotations per class.
*
* @psalm-var array<'class'|'function', array<string, array<string, true>>>
*/
private $ignoredAnnotationNames = [];
/**
* Initializes a new AnnotationReader.
*
* @throws AnnotationException
*/
public function __construct(?DocParser $parser = null)
{
if (
extension_loaded('Zend Optimizer+') && (ini_get('zend_optimizerplus.save_comments') === '0' ||
ini_get('opcache.save_comments') === '0')
) {
throw AnnotationException::optimizerPlusSaveComments();
}
if (extension_loaded('Zend OPcache') && ini_get('opcache.save_comments') === 0) {
throw AnnotationException::optimizerPlusSaveComments();
}
// Make sure that the IgnoreAnnotation annotation is loaded
class_exists(IgnoreAnnotation::class);
$this->parser = $parser ?: new DocParser();
$this->preParser = new DocParser();
$this->preParser->setImports(self::$globalImports);
$this->preParser->setIgnoreNotImportedAnnotations(true);
$this->preParser->setIgnoredAnnotationNames(self::$globalIgnoredNames);
$this->phpParser = new PhpParser();
}
/**
* {@inheritDoc}
*/
public function getClassAnnotations(ReflectionClass $class)
{
$this->parser->setTarget(Target::TARGET_CLASS);
$this->parser->setImports($this->getImports($class));
$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($class));
$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
return $this->parser->parse($class->getDocComment(), 'class ' . $class->getName());
}
/**
* {@inheritDoc}
*/
public function getClassAnnotation(ReflectionClass $class, $annotationName)
{
$annotations = $this->getClassAnnotations($class);
foreach ($annotations as $annotation) {
if ($annotation instanceof $annotationName) {
return $annotation;
}
}
return null;
}
/**
* {@inheritDoc}
*/
public function getPropertyAnnotations(ReflectionProperty $property)
{
$class = $property->getDeclaringClass();
$context = 'property ' . $class->getName() . '::$' . $property->getName();
$this->parser->setTarget(Target::TARGET_PROPERTY);
$this->parser->setImports($this->getPropertyImports($property));
$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($class));
$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
return $this->parser->parse($property->getDocComment(), $context);
}
/**
* {@inheritDoc}
*/
public function getPropertyAnnotation(ReflectionProperty $property, $annotationName)
{
$annotations = $this->getPropertyAnnotations($property);
foreach ($annotations as $annotation) {
if ($annotation instanceof $annotationName) {
return $annotation;
}
}
return null;
}
/**
* {@inheritDoc}
*/
public function getMethodAnnotations(ReflectionMethod $method)
{
$class = $method->getDeclaringClass();
$context = 'method ' . $class->getName() . '::' . $method->getName() . '()';
$this->parser->setTarget(Target::TARGET_METHOD);
$this->parser->setImports($this->getMethodImports($method));
$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($class));
$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
return $this->parser->parse($method->getDocComment(), $context);
}
/**
* {@inheritDoc}
*/
public function getMethodAnnotation(ReflectionMethod $method, $annotationName)
{
$annotations = $this->getMethodAnnotations($method);
foreach ($annotations as $annotation) {
if ($annotation instanceof $annotationName) {
return $annotation;
}
}
return null;
}
/**
* Gets the annotations applied to a function.
*
* @phpstan-return list<object> An array of Annotations.
*/
public function getFunctionAnnotations(ReflectionFunction $function): array
{
$context = 'function ' . $function->getName();
$this->parser->setTarget(Target::TARGET_FUNCTION);
$this->parser->setImports($this->getImports($function));
$this->parser->setIgnoredAnnotationNames($this->getIgnoredAnnotationNames($function));
$this->parser->setIgnoredAnnotationNamespaces(self::$globalIgnoredNamespaces);
return $this->parser->parse($function->getDocComment(), $context);
}
/**
* Gets a function annotation.
*
* @return object|null The Annotation or NULL, if the requested annotation does not exist.
*/
public function getFunctionAnnotation(ReflectionFunction $function, string $annotationName)
{
$annotations = $this->getFunctionAnnotations($function);
foreach ($annotations as $annotation) {
if ($annotation instanceof $annotationName) {
return $annotation;
}
}
return null;
}
/**
* Returns the ignored annotations for the given class or function.
*
* @param ReflectionClass|ReflectionFunction $reflection
*
* @return array<string, true>
*/
private function getIgnoredAnnotationNames($reflection): array
{
$type = $reflection instanceof ReflectionClass ? 'class' : 'function';
$name = $reflection->getName();
if (isset($this->ignoredAnnotationNames[$type][$name])) {
return $this->ignoredAnnotationNames[$type][$name];
}
$this->collectParsingMetadata($reflection);
return $this->ignoredAnnotationNames[$type][$name];
}
/**
* Retrieves imports for a class or a function.
*
* @param ReflectionClass|ReflectionFunction $reflection
*
* @return array<string, class-string>
*/
private function getImports($reflection): array
{
$type = $reflection instanceof ReflectionClass ? 'class' : 'function';
$name = $reflection->getName();
if (isset($this->imports[$type][$name])) {
return $this->imports[$type][$name];
}
$this->collectParsingMetadata($reflection);
return $this->imports[$type][$name];
}
/**
* Retrieves imports for methods.
*
* @return array<string, class-string>
*/
private function getMethodImports(ReflectionMethod $method)
{
$class = $method->getDeclaringClass();
$classImports = $this->getImports($class);
$traitImports = [];
foreach ($class->getTraits() as $trait) {
if (
! $trait->hasMethod($method->getName())
|| $trait->getFileName() !== $method->getFileName()
) {
continue;
}
$traitImports = array_merge($traitImports, $this->phpParser->parseUseStatements($trait));
}
return array_merge($classImports, $traitImports);
}
/**
* Retrieves imports for properties.
*
* @return array<string, class-string>
*/
private function getPropertyImports(ReflectionProperty $property)
{
$class = $property->getDeclaringClass();
$classImports = $this->getImports($class);
$traitImports = [];
foreach ($class->getTraits() as $trait) {
if (! $trait->hasProperty($property->getName())) {
continue;
}
$traitImports = array_merge($traitImports, $this->phpParser->parseUseStatements($trait));
}
return array_merge($classImports, $traitImports);
}
/**
* Collects parsing metadata for a given class or function.
*
* @param ReflectionClass|ReflectionFunction $reflection
*/
private function collectParsingMetadata($reflection): void
{
$type = $reflection instanceof ReflectionClass ? 'class' : 'function';
$name = $reflection->getName();
$ignoredAnnotationNames = self::$globalIgnoredNames;
$annotations = $this->preParser->parse($reflection->getDocComment(), $type . ' ' . $name);
foreach ($annotations as $annotation) {
if (! ($annotation instanceof IgnoreAnnotation)) {
continue;
}
foreach ($annotation->names as $annot) {
$ignoredAnnotationNames[$annot] = true;
}
}
$this->imports[$type][$name] = array_merge(
self::$globalImports,
$this->phpParser->parseUseStatements($reflection),
[
'__NAMESPACE__' => $reflection->getNamespaceName(),
'self' => $name,
]
);
$this->ignoredAnnotationNames[$type][$name] = $ignoredAnnotationNames;
}
}
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