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

DefinitionArray.php in Defender Security – Malware Scanner, Login Security & Firewall 5.4.0, at lib/packages/DI/Definition/Source/DefinitionArray.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\Definition;
8
9	/**
10	* Reads WPMU_DEV\Defender\Vendor\DI definitions from a PHP array.
11	*
12	* @author Matthieu Napoli <[email protected]>
13	*/
14	class DefinitionArray implements DefinitionSource, MutableDefinitionSource
15	{
16	const WILDCARD = '*';
17	/**
18	* Matches anything except "\".
19	*/
20	const WILDCARD_PATTERN = '([^\\\\]+)';
21
22	/**
23	* WPMU_DEV\Defender\Vendor\DI definitions in a PHP array.
24	* @var array
25	*/
26	private $definitions = [];
27
28	/**
29	* Cache of wildcard definitions.
30	* @var array\|null
31	*/
32	private $wildcardDefinitions;
33
34	/**
35	* @var DefinitionNormalizer
36	*/
37	private $normalizer;
38
39	public function __construct(array $definitions = [], Autowiring $autowiring = null)
40	{
41	if (isset($definitions[0])) {
42	throw new \Exception('The PHP-WPMU_DEV\Defender\Vendor\DI definition is not indexed by an entry name in the definition array');
43	}
44
45	$this->definitions = $definitions;
46
47	$autowiring = $autowiring ?: new NoAutowiring;
48	$this->normalizer = new DefinitionNormalizer($autowiring);
49	}
50
51	/**
52	* @param array $definitions WPMU_DEV\Defender\Vendor\DI definitions in a PHP array indexed by the definition name.
53	*/
54	public function addDefinitions(array $definitions)
55	{
56	if (isset($definitions[0])) {
57	throw new \Exception('The PHP-WPMU_DEV\Defender\Vendor\DI definition is not indexed by an entry name in the definition array');
58	}
59
60	// The newly added data prevails
61	// "for keys that exist in both arrays, the elements from the left-hand array will be used"
62	$this->definitions = $definitions + $this->definitions;
63
64	// Clear cache
65	$this->wildcardDefinitions = null;
66	}
67
68	/**
69	* {@inheritdoc}
70	*/
71	public function addDefinition(Definition $definition)
72	{
73	$this->definitions[$definition->getName()] = $definition;
74
75	// Clear cache
76	$this->wildcardDefinitions = null;
77	}
78
79	public function getDefinition(string $name)
80	{
81	// Look for the definition by name
82	if (array_key_exists($name, $this->definitions)) {
83	$definition = $this->definitions[$name];
84	$definition = $this->normalizer->normalizeRootDefinition($definition, $name);
85
86	return $definition;
87	}
88
89	// Build the cache of wildcard definitions
90	if ($this->wildcardDefinitions === null) {
91	$this->wildcardDefinitions = [];
92	foreach ($this->definitions as $key => $definition) {
93	if (strpos($key, self::WILDCARD) !== false) {
94	$this->wildcardDefinitions[$key] = $definition;
95	}
96	}
97	}
98
99	// Look in wildcards definitions
100	foreach ($this->wildcardDefinitions as $key => $definition) {
101	// Turn the pattern into a regex
102	$key = preg_quote($key);
103	$key = '#' . str_replace('\\' . self::WILDCARD, self::WILDCARD_PATTERN, $key) . '#';
104	if (preg_match($key, $name, $matches) === 1) {
105	array_shift($matches);
106	$definition = $this->normalizer->normalizeRootDefinition($definition, $name, $matches);
107
108	return $definition;
109	}
110	}
111
112	return null;
113	}
114
115	public function getDefinitions() : array
116	{
117	// Return all definitions except wildcard definitions
118	$definitions = [];
119	foreach ($this->definitions as $key => $definition) {
120	if (strpos($key, self::WILDCARD) === false) {
121	$definitions[$key] = $definition;
122	}
123	}
124
125	return $definitions;
126	}
127	}
128