defender-security / lib / packages / DI / Definition / Source / ReflectionBasedAutowiring.php

ReflectionBasedAutowiring.php in Defender Security – Malware Scanner, Login Security & Firewall 5.7.2, at lib/packages/DI/Definition/Source/ReflectionBasedAutowiring.php

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1	<?php
2
3	declare(strict_types=1);
4
5	namespace WPMU_DEV\Defender\Vendor\DI\Definition\Source;
6
7	use WPMU_DEV\Defender\Vendor\DI\Definition\ObjectDefinition;
8	use WPMU_DEV\Defender\Vendor\DI\Definition\ObjectDefinition\MethodInjection;
9	use WPMU_DEV\Defender\Vendor\DI\Definition\Reference;
10	use ReflectionNamedType;
11
12	/**
13	* Reads WPMU_DEV\Defender\Vendor\DI class definitions using reflection.
14	*
15	* @author Matthieu Napoli <[email protected]>
16	*/
17	class ReflectionBasedAutowiring implements DefinitionSource, Autowiring
18	{
19	public function autowire(string $name, ?ObjectDefinition $definition = null) : ?ObjectDefinition
20	{
21	$className = $definition ? $definition->getClassName() : $name;
22
23	if (!class_exists($className) && !interface_exists($className)) {
24	return $definition;
25	}
26
27	$definition = $definition ?: new ObjectDefinition($name);
28
29	// Constructor
30	$class = new \ReflectionClass($className);
31	$constructor = $class->getConstructor();
32	if ($constructor && $constructor->isPublic()) {
33	$constructorInjection = MethodInjection::constructor($this->getParametersDefinition($constructor));
34	$definition->completeConstructorInjection($constructorInjection);
35	}
36
37	return $definition;
38	}
39
40	public function getDefinition(string $name) : ?ObjectDefinition
41	{
42	return $this->autowire($name);
43	}
44
45	/**
46	* Autowiring cannot guess all existing definitions.
47	*/
48	public function getDefinitions() : array
49	{
50	return [];
51	}
52
53	/**
54	* Read the type-hinting from the parameters of the function.
55	*/
56	private function getParametersDefinition(\ReflectionFunctionAbstract $constructor) : array
57	{
58	$parameters = [];
59
60	foreach ($constructor->getParameters() as $index => $parameter) {
61	// Skip optional parameters
62	if ($parameter->isOptional()) {
63	continue;
64	}
65
66	$parameterType = $parameter->getType();
67	if (!$parameterType) {
68	// No type
69	continue;
70	}
71	if (!$parameterType instanceof ReflectionNamedType) {
72	// Union types are not supported
73	continue;
74	}
75	if ($parameterType->isBuiltin()) {
76	// Primitive types are not supported
77	continue;
78	}
79
80	$parameters[$index] = new Reference($parameterType->getName());
81	}
82
83	return $parameters;
84	}
85	}
86