File "AnnotationBasedAutowiring.php"

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Charset: utf-8

<?php

declare (strict_types=1);
namespace ElementorDeps\DI\Definition\Source;

use ElementorDeps\DI\Annotation\Inject;
use ElementorDeps\DI\Annotation\Injectable;
use ElementorDeps\DI\Definition\Exception\InvalidAnnotation;
use ElementorDeps\DI\Definition\ObjectDefinition;
use ElementorDeps\DI\Definition\ObjectDefinition\MethodInjection;
use ElementorDeps\DI\Definition\ObjectDefinition\PropertyInjection;
use ElementorDeps\DI\Definition\Reference;
use ElementorDeps\Doctrine\Common\Annotations\AnnotationRegistry;
use ElementorDeps\Doctrine\Common\Annotations\Reader;
use ElementorDeps\Doctrine\Common\Annotations\SimpleAnnotationReader;
use InvalidArgumentException;
use ElementorDeps\PhpDocReader\PhpDocReader;
use ReflectionClass;
use ReflectionMethod;
use ReflectionNamedType;
use ReflectionParameter;
use ReflectionProperty;
use UnexpectedValueException;
/**
 * Provides DI definitions by reading annotations such as @ Inject and @ var annotations.
 *
 * Uses Autowiring, Doctrine's Annotations and regex docblock parsing.
 * This source automatically includes the reflection source.
 *
 * @author Matthieu Napoli <matthieu@mnapoli.fr>
 */
class AnnotationBasedAutowiring implements DefinitionSource, Autowiring
{
    /**
     * @var Reader
     */
    private $annotationReader;
    /**
     * @var PhpDocReader
     */
    private $phpDocReader;
    /**
     * @var bool
     */
    private $ignorePhpDocErrors;
    public function __construct($ignorePhpDocErrors = \false)
    {
        $this->ignorePhpDocErrors = (bool) $ignorePhpDocErrors;
    }
    public function autowire(string $name, ObjectDefinition $definition = null)
    {
        $className = $definition ? $definition->getClassName() : $name;
        if (!\class_exists($className) && !\interface_exists($className)) {
            return $definition;
        }
        $definition = $definition ?: new ObjectDefinition($name);
        $class = new ReflectionClass($className);
        $this->readInjectableAnnotation($class, $definition);
        // Browse the class properties looking for annotated properties
        $this->readProperties($class, $definition);
        // Browse the object's methods looking for annotated methods
        $this->readMethods($class, $definition);
        return $definition;
    }
    /**
     * {@inheritdoc}
     * @throws InvalidAnnotation
     * @throws InvalidArgumentException The class doesn't exist
     */
    public function getDefinition(string $name)
    {
        return $this->autowire($name);
    }
    /**
     * Autowiring cannot guess all existing definitions.
     */
    public function getDefinitions() : array
    {
        return [];
    }
    /**
     * Browse the class properties looking for annotated properties.
     */
    private function readProperties(ReflectionClass $class, ObjectDefinition $definition)
    {
        foreach ($class->getProperties() as $property) {
            if ($property->isStatic()) {
                continue;
            }
            $this->readProperty($property, $definition);
        }
        // Read also the *private* properties of the parent classes
        /** @noinspection PhpAssignmentInConditionInspection */
        while ($class = $class->getParentClass()) {
            foreach ($class->getProperties(ReflectionProperty::IS_PRIVATE) as $property) {
                if ($property->isStatic()) {
                    continue;
                }
                $this->readProperty($property, $definition, $class->getName());
            }
        }
    }
    private function readProperty(ReflectionProperty $property, ObjectDefinition $definition, $classname = null)
    {
        // Look for @Inject annotation
        $annotation = $this->getAnnotationReader()->getPropertyAnnotation($property, 'ElementorDeps\\DI\\Annotation\\Inject');
        if (!$annotation instanceof Inject) {
            return;
        }
        // Try to @Inject("name") or look for @var content
        $entryName = $annotation->getName() ?: $this->getPhpDocReader()->getPropertyClass($property);
        // Try using PHP7.4 typed properties
        if (\PHP_VERSION_ID > 70400 && $entryName === null && $property->getType() instanceof ReflectionNamedType && (\class_exists($property->getType()->getName()) || \interface_exists($property->getType()->getName()))) {
            $entryName = $property->getType()->getName();
        }
        if ($entryName === null) {
            throw new InvalidAnnotation(\sprintf('@Inject found on property %s::%s but unable to guess what to inject, use a @var annotation', $property->getDeclaringClass()->getName(), $property->getName()));
        }
        $definition->addPropertyInjection(new PropertyInjection($property->getName(), new Reference($entryName), $classname));
    }
    /**
     * Browse the object's methods looking for annotated methods.
     */
    private function readMethods(ReflectionClass $class, ObjectDefinition $objectDefinition)
    {
        // This will look in all the methods, including those of the parent classes
        foreach ($class->getMethods(ReflectionMethod::IS_PUBLIC) as $method) {
            if ($method->isStatic()) {
                continue;
            }
            $methodInjection = $this->getMethodInjection($method);
            if (!$methodInjection) {
                continue;
            }
            if ($method->isConstructor()) {
                $objectDefinition->completeConstructorInjection($methodInjection);
            } else {
                $objectDefinition->completeFirstMethodInjection($methodInjection);
            }
        }
    }
    /**
     * @return MethodInjection|null
     */
    private function getMethodInjection(ReflectionMethod $method)
    {
        // Look for @Inject annotation
        try {
            $annotation = $this->getAnnotationReader()->getMethodAnnotation($method, 'ElementorDeps\\DI\\Annotation\\Inject');
        } catch (InvalidAnnotation $e) {
            throw new InvalidAnnotation(\sprintf('@Inject annotation on %s::%s is malformed. %s', $method->getDeclaringClass()->getName(), $method->getName(), $e->getMessage()), 0, $e);
        }
        // @Inject on constructor is implicit
        if (!($annotation || $method->isConstructor())) {
            return null;
        }
        $annotationParameters = $annotation instanceof Inject ? $annotation->getParameters() : [];
        $parameters = [];
        foreach ($method->getParameters() as $index => $parameter) {
            $entryName = $this->getMethodParameter($index, $parameter, $annotationParameters);
            if ($entryName !== null) {
                $parameters[$index] = new Reference($entryName);
            }
        }
        if ($method->isConstructor()) {
            return MethodInjection::constructor($parameters);
        }
        return new MethodInjection($method->getName(), $parameters);
    }
    /**
     * @param int                 $parameterIndex
     *
     * @return string|null Entry name or null if not found.
     */
    private function getMethodParameter($parameterIndex, ReflectionParameter $parameter, array $annotationParameters)
    {
        // @Inject has definition for this parameter (by index, or by name)
        if (isset($annotationParameters[$parameterIndex])) {
            return $annotationParameters[$parameterIndex];
        }
        if (isset($annotationParameters[$parameter->getName()])) {
            return $annotationParameters[$parameter->getName()];
        }
        // Skip optional parameters if not explicitly defined
        if ($parameter->isOptional()) {
            return null;
        }
        // Try to use the type-hinting
        $parameterType = $parameter->getType();
        if ($parameterType && $parameterType instanceof ReflectionNamedType && !$parameterType->isBuiltin()) {
            return $parameterType->getName();
        }
        // Last resort, look for @param tag
        return $this->getPhpDocReader()->getParameterClass($parameter);
    }
    /**
     * @return Reader The annotation reader
     */
    public function getAnnotationReader()
    {
        if ($this->annotationReader === null) {
            AnnotationRegistry::registerLoader('class_exists');
            $this->annotationReader = new SimpleAnnotationReader();
            $this->annotationReader->addNamespace('ElementorDeps\\DI\\Annotation');
        }
        return $this->annotationReader;
    }
    /**
     * @return PhpDocReader
     */
    private function getPhpDocReader()
    {
        if ($this->phpDocReader === null) {
            $this->phpDocReader = new PhpDocReader($this->ignorePhpDocErrors);
        }
        return $this->phpDocReader;
    }
    private function readInjectableAnnotation(ReflectionClass $class, ObjectDefinition $definition)
    {
        try {
            /** @var Injectable|null $annotation */
            $annotation = $this->getAnnotationReader()->getClassAnnotation($class, 'ElementorDeps\\DI\\Annotation\\Injectable');
        } catch (UnexpectedValueException $e) {
            throw new InvalidAnnotation(\sprintf('Error while reading @Injectable on %s: %s', $class->getName(), $e->getMessage()), 0, $e);
        }
        if (!$annotation) {
            return;
        }
        if ($annotation->isLazy() !== null) {
            $definition->setLazy($annotation->isLazy());
        }
    }
}