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<?php
namespace Doctrine\Common\Annotations;
use Doctrine\Common\Annotations\Annotation\Attribute;
use Doctrine\Common\Annotations\Annotation\Attributes;
use Doctrine\Common\Annotations\Annotation\Enum;
use Doctrine\Common\Annotations\Annotation\NamedArgumentConstructor;
use Doctrine\Common\Annotations\Annotation\Target;
use ReflectionClass;
use ReflectionException;
use ReflectionProperty;
use RuntimeException;
use stdClass;
use Throwable;
use function array_keys;
use function array_map;
use function array_pop;
use function array_values;
use function class_exists;
use function constant;
use function count;
use function defined;
use function explode;
use function gettype;
use function implode;
use function in_array;
use function interface_exists;
use function is_array;
use function is_object;
use function json_encode;
use function ltrim;
use function preg_match;
use function reset;
use function rtrim;
use function sprintf;
use function stripos;
use function strlen;
use function strpos;
use function strrpos;
use function strtolower;
use function substr;
use function trim;
use const PHP_VERSION_ID;
/**
* A parser for docblock annotations.
*
* It is strongly discouraged to change the default annotation parsing process.
*
* @psalm-type Arguments = array{positional_arguments?: array<int, mixed>, named_arguments?: array<string, mixed>}
*/
final class DocParser
{
/**
* An array of all valid tokens for a class name.
*
* @phpstan-var list<int>
*/
private static $classIdentifiers = [
DocLexer::T_IDENTIFIER,
DocLexer::T_TRUE,
DocLexer::T_FALSE,
DocLexer::T_NULL,
];
/**
* The lexer.
*
* @var DocLexer
*/
private $lexer;
/**
* Current target context.
*
* @var int
*/
private $target;
/**
* Doc parser used to collect annotation target.
*
* @var DocParser
*/
private static $metadataParser;
/**
* Flag to control if the current annotation is nested or not.
*
* @var bool
*/
private $isNestedAnnotation = false;
/**
* Hashmap containing all use-statements that are to be used when parsing
* the given doc block.
*
* @var array<string, class-string>
*/
private $imports = [];
/**
* This hashmap is used internally to cache results of class_exists()
* look-ups.
*
* @var array<class-string, bool>
*/
private $classExists = [];
/**
* Whether annotations that have not been imported should be ignored.
*
* @var bool
*/
private $ignoreNotImportedAnnotations = false;
/**
* An array of default namespaces if operating in simple mode.
*
* @var string[]
*/
private $namespaces = [];
/**
* A list with annotations that are not causing exceptions when not resolved to an annotation class.
*
* The names must be the raw names as used in the class, not the fully qualified
*
* @var bool[] indexed by annotation name
*/
private $ignoredAnnotationNames = [];
/**
* A list with annotations in namespaced format
* that are not causing exceptions when not resolved to an annotation class.
*
* @var bool[] indexed by namespace name
*/
private $ignoredAnnotationNamespaces = [];
/** @var string */
private $context = '';
/**
* Hash-map for caching annotation metadata.
*
* @var array<class-string, mixed[]>
*/
private static $annotationMetadata = [
Annotation\Target::class => [
'is_annotation' => true,
'has_constructor' => true,
'has_named_argument_constructor' => false,
'properties' => [],
'targets_literal' => 'ANNOTATION_CLASS',
'targets' => Target::TARGET_CLASS,
'default_property' => 'value',
'attribute_types' => [
'value' => [
'required' => false,
'type' => 'array',
'array_type' => 'string',
'value' => 'array<string>',
],
],
],
Annotation\Attribute::class => [
'is_annotation' => true,
'has_constructor' => false,
'has_named_argument_constructor' => false,
'targets_literal' => 'ANNOTATION_ANNOTATION',
'targets' => Target::TARGET_ANNOTATION,
'default_property' => 'name',
'properties' => [
'name' => 'name',
'type' => 'type',
'required' => 'required',
],
'attribute_types' => [
'value' => [
'required' => true,
'type' => 'string',
'value' => 'string',
],
'type' => [
'required' => true,
'type' => 'string',
'value' => 'string',
],
'required' => [
'required' => false,
'type' => 'boolean',
'value' => 'boolean',
],
],
],
Annotation\Attributes::class => [
'is_annotation' => true,
'has_constructor' => false,
'has_named_argument_constructor' => false,
'targets_literal' => 'ANNOTATION_CLASS',
'targets' => Target::TARGET_CLASS,
'default_property' => 'value',
'properties' => ['value' => 'value'],
'attribute_types' => [
'value' => [
'type' => 'array',
'required' => true,
'array_type' => Annotation\Attribute::class,
'value' => 'array<' . Annotation\Attribute::class . '>',
],
],
],
Annotation\Enum::class => [
'is_annotation' => true,
'has_constructor' => true,
'has_named_argument_constructor' => false,
'targets_literal' => 'ANNOTATION_PROPERTY',
'targets' => Target::TARGET_PROPERTY,
'default_property' => 'value',
'properties' => ['value' => 'value'],
'attribute_types' => [
'value' => [
'type' => 'array',
'required' => true,
],
'literal' => [
'type' => 'array',
'required' => false,
],
],
],
Annotation\NamedArgumentConstructor::class => [
'is_annotation' => true,
'has_constructor' => false,
'has_named_argument_constructor' => false,
'targets_literal' => 'ANNOTATION_CLASS',
'targets' => Target::TARGET_CLASS,
'default_property' => null,
'properties' => [],
'attribute_types' => [],
],
];
/**
* Hash-map for handle types declaration.
*
* @var array<string, string>
*/
private static $typeMap = [
'float' => 'double',
'bool' => 'boolean',
// allow uppercase Boolean in honor of George Boole
'Boolean' => 'boolean',
'int' => 'integer',
];
/**
* Constructs a new DocParser.
*/
public function __construct()
{
$this->lexer = new DocLexer();
}
/**
* Sets the annotation names that are ignored during the parsing process.
*
* The names are supposed to be the raw names as used in the class, not the
* fully qualified class names.
*
* @param bool[] $names indexed by annotation name
*
* @return void
*/
public function setIgnoredAnnotationNames(array $names)
{
$this->ignoredAnnotationNames = $names;
}
/**
* Sets the annotation namespaces that are ignored during the parsing process.
*
* @param bool[] $ignoredAnnotationNamespaces indexed by annotation namespace name
*
* @return void
*/
public function setIgnoredAnnotationNamespaces($ignoredAnnotationNamespaces)
{
$this->ignoredAnnotationNamespaces = $ignoredAnnotationNamespaces;
}
/**
* Sets ignore on not-imported annotations.
*
* @param bool $bool
*
* @return void
*/
public function setIgnoreNotImportedAnnotations($bool)
{
$this->ignoreNotImportedAnnotations = (bool) $bool;
}
/**
* Sets the default namespaces.
*
* @param string $namespace
*
* @return void
*
* @throws RuntimeException
*/
public function addNamespace($namespace)
{
if ($this->imports) {
throw new RuntimeException('You must either use addNamespace(), or setImports(), but not both.');
}
$this->namespaces[] = $namespace;
}
/**
* Sets the imports.
*
* @param array<string, class-string> $imports
*
* @return void
*
* @throws RuntimeException
*/
public function setImports(array $imports)
{
if ($this->namespaces) {
throw new RuntimeException('You must either use addNamespace(), or setImports(), but not both.');
}
$this->imports = $imports;
}
/**
* Sets current target context as bitmask.
*
* @param int $target
*
* @return void
*/
public function setTarget($target)
{
$this->target = $target;
}
/**
* Parses the given docblock string for annotations.
*
* @param string $input The docblock string to parse.
* @param string $context The parsing context.
*
* @phpstan-return list<object> Array of annotations. If no annotations are found, an empty array is returned.
*
* @throws AnnotationException
* @throws ReflectionException
*/
public function parse($input, $context = '')
{
$pos = $this->findInitialTokenPosition($input);
if ($pos === null) {
return [];
}
$this->context = $context;
$this->lexer->setInput(trim(substr($input, $pos), '* /'));
$this->lexer->moveNext();
return $this->Annotations();
}
/**
* Finds the first valid annotation
*
* @param string $input The docblock string to parse
*/
private function findInitialTokenPosition($input): ?int
{
$pos = 0;
// search for first valid annotation
while (($pos = strpos($input, '@', $pos)) !== false) {
$preceding = substr($input, $pos - 1, 1);
// if the @ is preceded by a space, a tab or * it is valid
if ($pos === 0 || $preceding === ' ' || $preceding === '*' || $preceding === "\t") {
return $pos;
}
$pos++;
}
return null;
}
/**
* Attempts to match the given token with the current lookahead token.
* If they match, updates the lookahead token; otherwise raises a syntax error.
*
* @param int $token Type of token.
*
* @return bool True if tokens match; false otherwise.
*
* @throws AnnotationException
*/
private function match(int $token): bool
{
if (! $this->lexer->isNextToken($token)) {
throw $this->syntaxError($this->lexer->getLiteral($token));
}
return $this->lexer->moveNext();
}
/**
* Attempts to match the current lookahead token with any of the given tokens.
*
* If any of them matches, this method updates the lookahead token; otherwise
* a syntax error is raised.
*
* @phpstan-param list<mixed[]> $tokens
*
* @throws AnnotationException
*/
private function matchAny(array $tokens): bool
{
if (! $this->lexer->isNextTokenAny($tokens)) {
throw $this->syntaxError(implode(' or ', array_map([$this->lexer, 'getLiteral'], $tokens)));
}
return $this->lexer->moveNext();
}
/**
* Generates a new syntax error.
*
* @param string $expected Expected string.
* @param mixed[]|null $token Optional token.
*/
private function syntaxError(string $expected, ?array $token = null): AnnotationException
{
if ($token === null) {
$token = $this->lexer->lookahead;
}
$message = sprintf('Expected %s, got ', $expected);
$message .= $this->lexer->lookahead === null
? 'end of string'
: sprintf("'%s' at position %s", $token['value'], $token['position']);
if (strlen($this->context)) {
$message .= ' in ' . $this->context;
}
$message .= '.';
return AnnotationException::syntaxError($message);
}
/**
* Attempts to check if a class exists or not. This never goes through the PHP autoloading mechanism
* but uses the {@link AnnotationRegistry} to load classes.
*
* @param class-string $fqcn
*/
private function classExists(string $fqcn): bool
{
if (isset($this->classExists[$fqcn])) {
return $this->classExists[$fqcn];
}
// first check if the class already exists, maybe loaded through another AnnotationReader
if (class_exists($fqcn, false)) {
return $this->classExists[$fqcn] = true;
}
// final check, does this class exist?
return $this->classExists[$fqcn] = AnnotationRegistry::loadAnnotationClass($fqcn);
}
/**
* Collects parsing metadata for a given annotation class
*
* @param class-string $name The annotation name
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function collectAnnotationMetadata(string $name): void
{
if (self::$metadataParser === null) {
self::$metadataParser = new self();
self::$metadataParser->setIgnoreNotImportedAnnotations(true);
self::$metadataParser->setIgnoredAnnotationNames($this->ignoredAnnotationNames);
self::$metadataParser->setImports([
'enum' => Enum::class,
'target' => Target::class,
'attribute' => Attribute::class,
'attributes' => Attributes::class,
'namedargumentconstructor' => NamedArgumentConstructor::class,
]);
// Make sure that annotations from metadata are loaded
class_exists(Enum::class);
class_exists(Target::class);
class_exists(Attribute::class);
class_exists(Attributes::class);
class_exists(NamedArgumentConstructor::class);
}
$class = new ReflectionClass($name);
$docComment = $class->getDocComment();
// Sets default values for annotation metadata
$constructor = $class->getConstructor();
$metadata = [
'default_property' => null,
'has_constructor' => $constructor !== null && $constructor->getNumberOfParameters() > 0,
'constructor_args' => [],
'properties' => [],
'property_types' => [],
'attribute_types' => [],
'targets_literal' => null,
'targets' => Target::TARGET_ALL,
'is_annotation' => strpos($docComment, '@Annotation') !== false,
];
$metadata['has_named_argument_constructor'] = $metadata['has_constructor']
&& $class->implementsInterface(NamedArgumentConstructorAnnotation::class);
// verify that the class is really meant to be an annotation
if ($metadata['is_annotation']) {
self::$metadataParser->setTarget(Target::TARGET_CLASS);
foreach (self::$metadataParser->parse($docComment, 'class @' . $name) as $annotation) {
if ($annotation instanceof Target) {
$metadata['targets'] = $annotation->targets;
$metadata['targets_literal'] = $annotation->literal;
continue;
}
if ($annotation instanceof NamedArgumentConstructor) {
$metadata['has_named_argument_constructor'] = $metadata['has_constructor'];
if ($metadata['has_named_argument_constructor']) {
// choose the first argument as the default property
$metadata['default_property'] = $constructor->getParameters()[0]->getName();
}
}
if (! ($annotation instanceof Attributes)) {
continue;
}
foreach ($annotation->value as $attribute) {
$this->collectAttributeTypeMetadata($metadata, $attribute);
}
}
// if not has a constructor will inject values into public properties
if ($metadata['has_constructor'] === false) {
// collect all public properties
foreach ($class->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
$metadata['properties'][$property->name] = $property->name;
$propertyComment = $property->getDocComment();
if ($propertyComment === false) {
continue;
}
$attribute = new Attribute();
$attribute->required = (strpos($propertyComment, '@Required') !== false);
$attribute->name = $property->name;
$attribute->type = (strpos($propertyComment, '@var') !== false &&
preg_match('/@var\s+([^\s]+)/', $propertyComment, $matches))
? $matches[1]
: 'mixed';
$this->collectAttributeTypeMetadata($metadata, $attribute);
// checks if the property has @Enum
if (strpos($propertyComment, '@Enum') === false) {
continue;
}
$context = 'property ' . $class->name . '::$' . $property->name;
self::$metadataParser->setTarget(Target::TARGET_PROPERTY);
foreach (self::$metadataParser->parse($propertyComment, $context) as $annotation) {
if (! $annotation instanceof Enum) {
continue;
}
$metadata['enum'][$property->name]['value'] = $annotation->value;
$metadata['enum'][$property->name]['literal'] = (! empty($annotation->literal))
? $annotation->literal
: $annotation->value;
}
}
// choose the first property as default property
$metadata['default_property'] = reset($metadata['properties']);
} elseif ($metadata['has_named_argument_constructor']) {
foreach ($constructor->getParameters() as $parameter) {
if ($parameter->isVariadic()) {
break;
}
$metadata['constructor_args'][$parameter->getName()] = [
'position' => $parameter->getPosition(),
'default' => $parameter->isOptional() ? $parameter->getDefaultValue() : null,
];
}
}
}
self::$annotationMetadata[$name] = $metadata;
}
/**
* Collects parsing metadata for a given attribute.
*
* @param mixed[] $metadata
*/
private function collectAttributeTypeMetadata(array &$metadata, Attribute $attribute): void
{
// handle internal type declaration
$type = self::$typeMap[$attribute->type] ?? $attribute->type;
// handle the case if the property type is mixed
if ($type === 'mixed') {
return;
}
// Evaluate type
$pos = strpos($type, '<');
if ($pos !== false) {
// Checks if the property has array<type>
$arrayType = substr($type, $pos + 1, -1);
$type = 'array';
if (isset(self::$typeMap[$arrayType])) {
$arrayType = self::$typeMap[$arrayType];
}
$metadata['attribute_types'][$attribute->name]['array_type'] = $arrayType;
} else {
// Checks if the property has type[]
$pos = strrpos($type, '[');
if ($pos !== false) {
$arrayType = substr($type, 0, $pos);
$type = 'array';
if (isset(self::$typeMap[$arrayType])) {
$arrayType = self::$typeMap[$arrayType];
}
$metadata['attribute_types'][$attribute->name]['array_type'] = $arrayType;
}
}
$metadata['attribute_types'][$attribute->name]['type'] = $type;
$metadata['attribute_types'][$attribute->name]['value'] = $attribute->type;
$metadata['attribute_types'][$attribute->name]['required'] = $attribute->required;
}
/**
* Annotations ::= Annotation {[ "*" ]* [Annotation]}*
*
* @phpstan-return list<object>
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function Annotations(): array
{
$annotations = [];
while ($this->lexer->lookahead !== null) {
if ($this->lexer->lookahead['type'] !== DocLexer::T_AT) {
$this->lexer->moveNext();
continue;
}
// make sure the @ is preceded by non-catchable pattern
if (
$this->lexer->token !== null &&
$this->lexer->lookahead['position'] === $this->lexer->token['position'] + strlen(
$this->lexer->token['value']
)
) {
$this->lexer->moveNext();
continue;
}
// make sure the @ is followed by either a namespace separator, or
// an identifier token
$peek = $this->lexer->glimpse();
if (
($peek === null)
|| ($peek['type'] !== DocLexer::T_NAMESPACE_SEPARATOR && ! in_array(
$peek['type'],
self::$classIdentifiers,
true
))
|| $peek['position'] !== $this->lexer->lookahead['position'] + 1
) {
$this->lexer->moveNext();
continue;
}
$this->isNestedAnnotation = false;
$annot = $this->Annotation();
if ($annot === false) {
continue;
}
$annotations[] = $annot;
}
return $annotations;
}
/**
* Annotation ::= "@" AnnotationName MethodCall
* AnnotationName ::= QualifiedName | SimpleName
* QualifiedName ::= NameSpacePart "\" {NameSpacePart "\"}* SimpleName
* NameSpacePart ::= identifier | null | false | true
* SimpleName ::= identifier | null | false | true
*
* @return object|false False if it is not a valid annotation.
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function Annotation()
{
$this->match(DocLexer::T_AT);
// check if we have an annotation
$name = $this->Identifier();
if (
$this->lexer->isNextToken(DocLexer::T_MINUS)
&& $this->lexer->nextTokenIsAdjacent()
) {
// Annotations with dashes, such as "@foo-" or "@foo-bar", are to be discarded
return false;
}
// only process names which are not fully qualified, yet
// fully qualified names must start with a \
$originalName = $name;
if ($name[0] !== '\\') {
$pos = strpos($name, '\\');
$alias = ($pos === false) ? $name : substr($name, 0, $pos);
$found = false;
$loweredAlias = strtolower($alias);
if ($this->namespaces) {
foreach ($this->namespaces as $namespace) {
if ($this->classExists($namespace . '\\' . $name)) {
$name = $namespace . '\\' . $name;
$found = true;
break;
}
}
} elseif (isset($this->imports[$loweredAlias])) {
$namespace = ltrim($this->imports[$loweredAlias], '\\');
$name = ($pos !== false)
? $namespace . substr($name, $pos)
: $namespace;
$found = $this->classExists($name);
} elseif (
! isset($this->ignoredAnnotationNames[$name])
&& isset($this->imports['__NAMESPACE__'])
&& $this->classExists($this->imports['__NAMESPACE__'] . '\\' . $name)
) {
$name = $this->imports['__NAMESPACE__'] . '\\' . $name;
$found = true;
} elseif (! isset($this->ignoredAnnotationNames[$name]) && $this->classExists($name)) {
$found = true;
}
if (! $found) {
if ($this->isIgnoredAnnotation($name)) {
return false;
}
throw AnnotationException::semanticalError(sprintf(
<<<'EXCEPTION'
The annotation "@%s" in %s was never imported. Did you maybe forget to add a "use" statement for this annotation?
EXCEPTION
,
$name,
$this->context
));
}
}
$name = ltrim($name, '\\');
if (! $this->classExists($name)) {
throw AnnotationException::semanticalError(sprintf(
'The annotation "@%s" in %s does not exist, or could not be auto-loaded.',
$name,
$this->context
));
}
// at this point, $name contains the fully qualified class name of the
// annotation, and it is also guaranteed that this class exists, and
// that it is loaded
// collects the metadata annotation only if there is not yet
if (! isset(self::$annotationMetadata[$name])) {
$this->collectAnnotationMetadata($name);
}
// verify that the class is really meant to be an annotation and not just any ordinary class
if (self::$annotationMetadata[$name]['is_annotation'] === false) {
if ($this->isIgnoredAnnotation($originalName) || $this->isIgnoredAnnotation($name)) {
return false;
}
throw AnnotationException::semanticalError(sprintf(
<<<'EXCEPTION'
The class "%s" is not annotated with @Annotation.
Are you sure this class can be used as annotation?
If so, then you need to add @Annotation to the _class_ doc comment of "%s".
If it is indeed no annotation, then you need to add @IgnoreAnnotation("%s") to the _class_ doc comment of %s.
EXCEPTION
,
$name,
$name,
$originalName,
$this->context
));
}
//if target is nested annotation
$target = $this->isNestedAnnotation ? Target::TARGET_ANNOTATION : $this->target;
// Next will be nested
$this->isNestedAnnotation = true;
//if annotation does not support current target
if ((self::$annotationMetadata[$name]['targets'] & $target) === 0 && $target) {
throw AnnotationException::semanticalError(
sprintf(
<<<'EXCEPTION'
Annotation @%s is not allowed to be declared on %s. You may only use this annotation on these code elements: %s.
EXCEPTION
,
$originalName,
$this->context,
self::$annotationMetadata[$name]['targets_literal']
)
);
}
$arguments = $this->MethodCall();
$values = $this->resolvePositionalValues($arguments, $name);
if (isset(self::$annotationMetadata[$name]['enum'])) {
// checks all declared attributes
foreach (self::$annotationMetadata[$name]['enum'] as $property => $enum) {
// checks if the attribute is a valid enumerator
if (isset($values[$property]) && ! in_array($values[$property], $enum['value'])) {
throw AnnotationException::enumeratorError(
$property,
$name,
$this->context,
$enum['literal'],
$values[$property]
);
}
}
}
// checks all declared attributes
foreach (self::$annotationMetadata[$name]['attribute_types'] as $property => $type) {
if (
$property === self::$annotationMetadata[$name]['default_property']
&& ! isset($values[$property]) && isset($values['value'])
) {
$property = 'value';
}
// handle a not given attribute or null value
if (! isset($values[$property])) {
if ($type['required']) {
throw AnnotationException::requiredError(
$property,
$originalName,
$this->context,
'a(n) ' . $type['value']
);
}
continue;
}
if ($type['type'] === 'array') {
// handle the case of a single value
if (! is_array($values[$property])) {
$values[$property] = [$values[$property]];
}
// checks if the attribute has array type declaration, such as "array<string>"
if (isset($type['array_type'])) {
foreach ($values[$property] as $item) {
if (gettype($item) !== $type['array_type'] && ! $item instanceof $type['array_type']) {
throw AnnotationException::attributeTypeError(
$property,
$originalName,
$this->context,
'either a(n) ' . $type['array_type'] . ', or an array of ' . $type['array_type'] . 's',
$item
);
}
}
}
} elseif (gettype($values[$property]) !== $type['type'] && ! $values[$property] instanceof $type['type']) {
throw AnnotationException::attributeTypeError(
$property,
$originalName,
$this->context,
'a(n) ' . $type['value'],
$values[$property]
);
}
}
if (self::$annotationMetadata[$name]['has_named_argument_constructor']) {
if (PHP_VERSION_ID >= 80000) {
foreach ($values as $property => $value) {
if (! isset(self::$annotationMetadata[$name]['constructor_args'][$property])) {
throw AnnotationException::creationError(sprintf(
<<<'EXCEPTION'
The annotation @%s declared on %s does not have a property named "%s"
that can be set through its named arguments constructor.
Available named arguments: %s
EXCEPTION
,
$originalName,
$this->context,
$property,
implode(', ', array_keys(self::$annotationMetadata[$name]['constructor_args']))
));
}
}
return $this->instantiateAnnotiation($originalName, $this->context, $name, $values);
}
$positionalValues = [];
foreach (self::$annotationMetadata[$name]['constructor_args'] as $property => $parameter) {
$positionalValues[$parameter['position']] = $parameter['default'];
}
foreach ($values as $property => $value) {
if (! isset(self::$annotationMetadata[$name]['constructor_args'][$property])) {
throw AnnotationException::creationError(sprintf(
<<<'EXCEPTION'
The annotation @%s declared on %s does not have a property named "%s"
that can be set through its named arguments constructor.
Available named arguments: %s
EXCEPTION
,
$originalName,
$this->context,
$property,
implode(', ', array_keys(self::$annotationMetadata[$name]['constructor_args']))
));
}
$positionalValues[self::$annotationMetadata[$name]['constructor_args'][$property]['position']] = $value;
}
return $this->instantiateAnnotiation($originalName, $this->context, $name, $positionalValues);
}
// check if the annotation expects values via the constructor,
// or directly injected into public properties
if (self::$annotationMetadata[$name]['has_constructor'] === true) {
return $this->instantiateAnnotiation($originalName, $this->context, $name, [$values]);
}
$instance = $this->instantiateAnnotiation($originalName, $this->context, $name, []);
foreach ($values as $property => $value) {
if (! isset(self::$annotationMetadata[$name]['properties'][$property])) {
if ($property !== 'value') {
throw AnnotationException::creationError(sprintf(
<<<'EXCEPTION'
The annotation @%s declared on %s does not have a property named "%s".
Available properties: %s
EXCEPTION
,
$originalName,
$this->context,
$property,
implode(', ', self::$annotationMetadata[$name]['properties'])
));
}
// handle the case if the property has no annotations
$property = self::$annotationMetadata[$name]['default_property'];
if (! $property) {
throw AnnotationException::creationError(sprintf(
'The annotation @%s declared on %s does not accept any values, but got %s.',
$originalName,
$this->context,
json_encode($values)
));
}
}
$instance->{$property} = $value;
}
return $instance;
}
/**
* MethodCall ::= ["(" [Values] ")"]
*
* @psalm-return Arguments
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function MethodCall(): array
{
$values = [];
if (! $this->lexer->isNextToken(DocLexer::T_OPEN_PARENTHESIS)) {
return $values;
}
$this->match(DocLexer::T_OPEN_PARENTHESIS);
if (! $this->lexer->isNextToken(DocLexer::T_CLOSE_PARENTHESIS)) {
$values = $this->Values();
}
$this->match(DocLexer::T_CLOSE_PARENTHESIS);
return $values;
}
/**
* Values ::= Array | Value {"," Value}* [","]
*
* @psalm-return Arguments
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function Values(): array
{
$values = [$this->Value()];
while ($this->lexer->isNextToken(DocLexer::T_COMMA)) {
$this->match(DocLexer::T_COMMA);
if ($this->lexer->isNextToken(DocLexer::T_CLOSE_PARENTHESIS)) {
break;
}
$token = $this->lexer->lookahead;
$value = $this->Value();
$values[] = $value;
}
$namedArguments = [];
$positionalArguments = [];
foreach ($values as $k => $value) {
if (is_object($value) && $value instanceof stdClass) {
$namedArguments[$value->name] = $value->value;
} else {
$positionalArguments[$k] = $value;
}
}
return ['named_arguments' => $namedArguments, 'positional_arguments' => $positionalArguments];
}
/**
* Constant ::= integer | string | float | boolean
*
* @return mixed
*
* @throws AnnotationException
*/
private function Constant()
{
$identifier = $this->Identifier();
if (! defined($identifier) && strpos($identifier, '::') !== false && $identifier[0] !== '\\') {
[$className, $const] = explode('::', $identifier);
$pos = strpos($className, '\\');
$alias = ($pos === false) ? $className : substr($className, 0, $pos);
$found = false;
$loweredAlias = strtolower($alias);
switch (true) {
case ! empty($this->namespaces):
foreach ($this->namespaces as $ns) {
if (class_exists($ns . '\\' . $className) || interface_exists($ns . '\\' . $className)) {
$className = $ns . '\\' . $className;
$found = true;
break;
}
}
break;
case isset($this->imports[$loweredAlias]):
$found = true;
$className = ($pos !== false)
? $this->imports[$loweredAlias] . substr($className, $pos)
: $this->imports[$loweredAlias];
break;
default:
if (isset($this->imports['__NAMESPACE__'])) {
$ns = $this->imports['__NAMESPACE__'];
if (class_exists($ns . '\\' . $className) || interface_exists($ns . '\\' . $className)) {
$className = $ns . '\\' . $className;
$found = true;
}
}
break;
}
if ($found) {
$identifier = $className . '::' . $const;
}
}
/**
* Checks if identifier ends with ::class and remove the leading backslash if it exists.
*/
if (
$this->identifierEndsWithClassConstant($identifier) &&
! $this->identifierStartsWithBackslash($identifier)
) {
return substr($identifier, 0, $this->getClassConstantPositionInIdentifier($identifier));
}
if ($this->identifierEndsWithClassConstant($identifier) && $this->identifierStartsWithBackslash($identifier)) {
return substr($identifier, 1, $this->getClassConstantPositionInIdentifier($identifier) - 1);
}
if (! defined($identifier)) {
throw AnnotationException::semanticalErrorConstants($identifier, $this->context);
}
return constant($identifier);
}
private function identifierStartsWithBackslash(string $identifier): bool
{
return $identifier[0] === '\\';
}
private function identifierEndsWithClassConstant(string $identifier): bool
{
return $this->getClassConstantPositionInIdentifier($identifier) === strlen($identifier) - strlen('::class');
}
/** @return int|false */
private function getClassConstantPositionInIdentifier(string $identifier)
{
return stripos($identifier, '::class');
}
/**
* Identifier ::= string
*
* @throws AnnotationException
*/
private function Identifier(): string
{
// check if we have an annotation
if (! $this->lexer->isNextTokenAny(self::$classIdentifiers)) {
throw $this->syntaxError('namespace separator or identifier');
}
$this->lexer->moveNext();
$className = $this->lexer->token['value'];
while (
$this->lexer->lookahead !== null &&
$this->lexer->lookahead['position'] === ($this->lexer->token['position'] +
strlen($this->lexer->token['value'])) &&
$this->lexer->isNextToken(DocLexer::T_NAMESPACE_SEPARATOR)
) {
$this->match(DocLexer::T_NAMESPACE_SEPARATOR);
$this->matchAny(self::$classIdentifiers);
$className .= '\\' . $this->lexer->token['value'];
}
return $className;
}
/**
* Value ::= PlainValue | FieldAssignment
*
* @return mixed
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function Value()
{
$peek = $this->lexer->glimpse();
if ($peek['type'] === DocLexer::T_EQUALS) {
return $this->FieldAssignment();
}
return $this->PlainValue();
}
/**
* PlainValue ::= integer | string | float | boolean | Array | Annotation
*
* @return mixed
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function PlainValue()
{
if ($this->lexer->isNextToken(DocLexer::T_OPEN_CURLY_BRACES)) {
return $this->Arrayx();
}
if ($this->lexer->isNextToken(DocLexer::T_AT)) {
return $this->Annotation();
}
if ($this->lexer->isNextToken(DocLexer::T_IDENTIFIER)) {
return $this->Constant();
}
switch ($this->lexer->lookahead['type']) {
case DocLexer::T_STRING:
$this->match(DocLexer::T_STRING);
return $this->lexer->token['value'];
case DocLexer::T_INTEGER:
$this->match(DocLexer::T_INTEGER);
return (int) $this->lexer->token['value'];
case DocLexer::T_FLOAT:
$this->match(DocLexer::T_FLOAT);
return (float) $this->lexer->token['value'];
case DocLexer::T_TRUE:
$this->match(DocLexer::T_TRUE);
return true;
case DocLexer::T_FALSE:
$this->match(DocLexer::T_FALSE);
return false;
case DocLexer::T_NULL:
$this->match(DocLexer::T_NULL);
return null;
default:
throw $this->syntaxError('PlainValue');
}
}
/**
* FieldAssignment ::= FieldName "=" PlainValue
* FieldName ::= identifier
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function FieldAssignment(): stdClass
{
$this->match(DocLexer::T_IDENTIFIER);
$fieldName = $this->lexer->token['value'];
$this->match(DocLexer::T_EQUALS);
$item = new stdClass();
$item->name = $fieldName;
$item->value = $this->PlainValue();
return $item;
}
/**
* Array ::= "{" ArrayEntry {"," ArrayEntry}* [","] "}"
*
* @return mixed[]
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function Arrayx(): array
{
$array = $values = [];
$this->match(DocLexer::T_OPEN_CURLY_BRACES);
// If the array is empty, stop parsing and return.
if ($this->lexer->isNextToken(DocLexer::T_CLOSE_CURLY_BRACES)) {
$this->match(DocLexer::T_CLOSE_CURLY_BRACES);
return $array;
}
$values[] = $this->ArrayEntry();
while ($this->lexer->isNextToken(DocLexer::T_COMMA)) {
$this->match(DocLexer::T_COMMA);
// optional trailing comma
if ($this->lexer->isNextToken(DocLexer::T_CLOSE_CURLY_BRACES)) {
break;
}
$values[] = $this->ArrayEntry();
}
$this->match(DocLexer::T_CLOSE_CURLY_BRACES);
foreach ($values as $value) {
[$key, $val] = $value;
if ($key !== null) {
$array[$key] = $val;
} else {
$array[] = $val;
}
}
return $array;
}
/**
* ArrayEntry ::= Value | KeyValuePair
* KeyValuePair ::= Key ("=" | ":") PlainValue | Constant
* Key ::= string | integer | Constant
*
* @phpstan-return array{mixed, mixed}
*
* @throws AnnotationException
* @throws ReflectionException
*/
private function ArrayEntry(): array
{
$peek = $this->lexer->glimpse();
if (
$peek['type'] === DocLexer::T_EQUALS
|| $peek['type'] === DocLexer::T_COLON
) {
if ($this->lexer->isNextToken(DocLexer::T_IDENTIFIER)) {
$key = $this->Constant();
} else {
$this->matchAny([DocLexer::T_INTEGER, DocLexer::T_STRING]);
$key = $this->lexer->token['value'];
}
$this->matchAny([DocLexer::T_EQUALS, DocLexer::T_COLON]);
return [$key, $this->PlainValue()];
}
return [null, $this->Value()];
}
/**
* Checks whether the given $name matches any ignored annotation name or namespace
*/
private function isIgnoredAnnotation(string $name): bool
{
if ($this->ignoreNotImportedAnnotations || isset($this->ignoredAnnotationNames[$name])) {
return true;
}
foreach (array_keys($this->ignoredAnnotationNamespaces) as $ignoredAnnotationNamespace) {
$ignoredAnnotationNamespace = rtrim($ignoredAnnotationNamespace, '\\') . '\\';
if (stripos(rtrim($name, '\\') . '\\', $ignoredAnnotationNamespace) === 0) {
return true;
}
}
return false;
}
/**
* Resolve positional arguments (without name) to named ones
*
* @psalm-param Arguments $arguments
*
* @return array<string,mixed>
*/
private function resolvePositionalValues(array $arguments, string $name): array
{
$positionalArguments = $arguments['positional_arguments'] ?? [];
$values = $arguments['named_arguments'] ?? [];
if (
self::$annotationMetadata[$name]['has_named_argument_constructor']
&& self::$annotationMetadata[$name]['default_property'] !== null
) {
// We must ensure that we don't have positional arguments after named ones
$positions = array_keys($positionalArguments);
$lastPosition = null;
foreach ($positions as $position) {
if (
($lastPosition === null && $position !== 0) ||
($lastPosition !== null && $position !== $lastPosition + 1)
) {
throw $this->syntaxError('Positional arguments after named arguments is not allowed');
}
$lastPosition = $position;
}
foreach (self::$annotationMetadata[$name]['constructor_args'] as $property => $parameter) {
$position = $parameter['position'];
if (isset($values[$property]) || ! isset($positionalArguments[$position])) {
continue;
}
$values[$property] = $positionalArguments[$position];
}
} else {
if (count($positionalArguments) > 0 && ! isset($values['value'])) {
if (count($positionalArguments) === 1) {
$value = array_pop($positionalArguments);
} else {
$value = array_values($positionalArguments);
}
$values['value'] = $value;
}
}
return $values;
}
/**
* Try to instantiate the annotation and catch and process any exceptions related to failure
*
* @param class-string $name
* @param array<string,mixed> $arguments
*
* @return object
*
* @throws AnnotationException
*/
private function instantiateAnnotiation(string $originalName, string $context, string $name, array $arguments)
{
try {
return new $name(...$arguments);
} catch (Throwable $exception) {
throw AnnotationException::creationError(
sprintf(
'An error occurred while instantiating the annotation @%s declared on %s: "%s".',
$originalName,
$context,
$exception->getMessage()
),
$exception
);
}
}
}

vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocParser.php line 367