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kubio / vendor / symfony / var-dumper / Caster / SplCaster.php

kubio / vendor / symfony / var-dumper / Caster Last commit date

SplCaster.php

247 lines

1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <fabien@symfony.com>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11
12	namespace Symfony\Component\VarDumper\Caster;
13
14	use Symfony\Component\VarDumper\Cloner\Stub;
15
16	/**
17	* Casts SPL related classes to array representation.
18	*
19	* @author Nicolas Grekas <p@tchwork.com>
20	*
21	* @final
22	*/
23	class SplCaster
24	{
25	private const SPL_FILE_OBJECT_FLAGS = [
26	\SplFileObject::DROP_NEW_LINE => 'DROP_NEW_LINE',
27	\SplFileObject::READ_AHEAD => 'READ_AHEAD',
28	\SplFileObject::SKIP_EMPTY => 'SKIP_EMPTY',
29	\SplFileObject::READ_CSV => 'READ_CSV',
30	];
31
32	public static function castArrayObject(\ArrayObject $c, array $a, Stub $stub, bool $isNested)
33	{
34	return self::castSplArray($c, $a, $stub, $isNested);
35	}
36
37	public static function castArrayIterator(\ArrayIterator $c, array $a, Stub $stub, bool $isNested)
38	{
39	return self::castSplArray($c, $a, $stub, $isNested);
40	}
41
42	public static function castHeap(\Iterator $c, array $a, Stub $stub, bool $isNested)
43	{
44	$a += [
45	Caster::PREFIX_VIRTUAL.'heap' => iterator_to_array(clone $c),
46	];
47
48	return $a;
49	}
50
51	public static function castDoublyLinkedList(\SplDoublyLinkedList $c, array $a, Stub $stub, bool $isNested)
52	{
53	$prefix = Caster::PREFIX_VIRTUAL;
54	$mode = $c->getIteratorMode();
55	$c->setIteratorMode(\SplDoublyLinkedList::IT_MODE_KEEP \| $mode & ~\SplDoublyLinkedList::IT_MODE_DELETE);
56
57	$a += [
58	$prefix.'mode' => new ConstStub((($mode & \SplDoublyLinkedList::IT_MODE_LIFO) ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO').' \| '.(($mode & \SplDoublyLinkedList::IT_MODE_DELETE) ? 'IT_MODE_DELETE' : 'IT_MODE_KEEP'), $mode),
59	$prefix.'dllist' => iterator_to_array($c),
60	];
61	$c->setIteratorMode($mode);
62
63	return $a;
64	}
65
66	public static function castFileInfo(\SplFileInfo $c, array $a, Stub $stub, bool $isNested)
67	{
68	static $map = [
69	'path' => 'getPath',
70	'filename' => 'getFilename',
71	'basename' => 'getBasename',
72	'pathname' => 'getPathname',
73	'extension' => 'getExtension',
74	'realPath' => 'getRealPath',
75	'aTime' => 'getATime',
76	'mTime' => 'getMTime',
77	'cTime' => 'getCTime',
78	'inode' => 'getInode',
79	'size' => 'getSize',
80	'perms' => 'getPerms',
81	'owner' => 'getOwner',
82	'group' => 'getGroup',
83	'type' => 'getType',
84	'writable' => 'isWritable',
85	'readable' => 'isReadable',
86	'executable' => 'isExecutable',
87	'file' => 'isFile',
88	'dir' => 'isDir',
89	'link' => 'isLink',
90	'linkTarget' => 'getLinkTarget',
91	];
92
93	$prefix = Caster::PREFIX_VIRTUAL;
94	unset($a["\0SplFileInfo\0fileName"]);
95	unset($a["\0SplFileInfo\0pathName"]);
96
97	if (\PHP_VERSION_ID < 80000) {
98	if (false === $c->getPathname()) {
99	$a[$prefix.'⚠'] = 'The parent constructor was not called: the object is in an invalid state';
100
101	return $a;
102	}
103	} else {
104	try {
105	$c->isReadable();
106	} catch (\RuntimeException $e) {
107	if ('Object not initialized' !== $e->getMessage()) {
108	throw $e;
109	}
110
111	$a[$prefix.'⚠'] = 'The parent constructor was not called: the object is in an invalid state';
112
113	return $a;
114	} catch (\Error $e) {
115	if ('Object not initialized' !== $e->getMessage()) {
116	throw $e;
117	}
118
119	$a[$prefix.'⚠'] = 'The parent constructor was not called: the object is in an invalid state';
120
121	return $a;
122	}
123	}
124
125	foreach ($map as $key => $accessor) {
126	try {
127	$a[$prefix.$key] = $c->$accessor();
128	} catch (\Exception $e) {
129	}
130	}
131
132	if ($a[$prefix.'realPath'] ?? false) {
133	$a[$prefix.'realPath'] = new LinkStub($a[$prefix.'realPath']);
134	}
135
136	if (isset($a[$prefix.'perms'])) {
137	$a[$prefix.'perms'] = new ConstStub(sprintf('0%o', $a[$prefix.'perms']), $a[$prefix.'perms']);
138	}
139
140	static $mapDate = ['aTime', 'mTime', 'cTime'];
141	foreach ($mapDate as $key) {
142	if (isset($a[$prefix.$key])) {
143	$a[$prefix.$key] = new ConstStub(date('Y-m-d H:i:s', $a[$prefix.$key]), $a[$prefix.$key]);
144	}
145	}
146
147	return $a;
148	}
149
150	public static function castFileObject(\SplFileObject $c, array $a, Stub $stub, bool $isNested)
151	{
152	static $map = [
153	'csvControl' => 'getCsvControl',
154	'flags' => 'getFlags',
155	'maxLineLen' => 'getMaxLineLen',
156	'fstat' => 'fstat',
157	'eof' => 'eof',
158	'key' => 'key',
159	];
160
161	$prefix = Caster::PREFIX_VIRTUAL;
162
163	foreach ($map as $key => $accessor) {
164	try {
165	$a[$prefix.$key] = $c->$accessor();
166	} catch (\Exception $e) {
167	}
168	}
169
170	if (isset($a[$prefix.'flags'])) {
171	$flagsArray = [];
172	foreach (self::SPL_FILE_OBJECT_FLAGS as $value => $name) {
173	if ($a[$prefix.'flags'] & $value) {
174	$flagsArray[] = $name;
175	}
176	}
177	$a[$prefix.'flags'] = new ConstStub(implode('\|', $flagsArray), $a[$prefix.'flags']);
178	}
179
180	if (isset($a[$prefix.'fstat'])) {
181	$a[$prefix.'fstat'] = new CutArrayStub($a[$prefix.'fstat'], ['dev', 'ino', 'nlink', 'rdev', 'blksize', 'blocks']);
182	}
183
184	return $a;
185	}
186
187	public static function castObjectStorage(\SplObjectStorage $c, array $a, Stub $stub, bool $isNested)
188	{
189	$storage = [];
190	unset($a[Caster::PREFIX_DYNAMIC."\0gcdata"]); // Don't hit https://bugs.php.net/65967
191	unset($a["\0SplObjectStorage\0storage"]);
192
193	$clone = clone $c;
194	foreach ($clone as $obj) {
195	$storage[] = [
196	'object' => $obj,
197	'info' => $clone->getInfo(),
198	];
199	}
200
201	$a += [
202	Caster::PREFIX_VIRTUAL.'storage' => $storage,
203	];
204
205	return $a;
206	}
207
208	public static function castOuterIterator(\OuterIterator $c, array $a, Stub $stub, bool $isNested)
209	{
210	$a[Caster::PREFIX_VIRTUAL.'innerIterator'] = $c->getInnerIterator();
211
212	return $a;
213	}
214
215	public static function castWeakReference(\WeakReference $c, array $a, Stub $stub, bool $isNested)
216	{
217	$a[Caster::PREFIX_VIRTUAL.'object'] = $c->get();
218
219	return $a;
220	}
221
222	private static function castSplArray($c, array $a, Stub $stub, bool $isNested): array
223	{
224	$prefix = Caster::PREFIX_VIRTUAL;
225	$flags = $c->getFlags();
226
227	if (!($flags & \ArrayObject::STD_PROP_LIST)) {
228	$c->setFlags(\ArrayObject::STD_PROP_LIST);
229	$a = Caster::castObject($c, \get_class($c), method_exists($c, '__debugInfo'), $stub->class);
230	$c->setFlags($flags);
231	}
232
233	unset($a["\0ArrayObject\0storage"], $a["\0ArrayIterator\0storage"]);
234
235	$a += [
236	$prefix.'storage' => $c->getArrayCopy(),
237	$prefix.'flag::STD_PROP_LIST' => (bool) ($flags & \ArrayObject::STD_PROP_LIST),
238	$prefix.'flag::ARRAY_AS_PROPS' => (bool) ($flags & \ArrayObject::ARRAY_AS_PROPS),
239	];
240	if ($c instanceof \ArrayObject) {
241	$a[$prefix.'iteratorClass'] = new ClassStub($c->getIteratorClass());
242	}
243
244	return $a;
245	}
246	}
247