21934836766

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added CLAUDE.md

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97.12

/src/Utils/Type.php

<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette\Utils;

use Nette;
use function array_map, array_search, array_splice, count, explode, implode, is_a, is_resource, is_string, strcasecmp, strtolower, substr, trim;


/**
 * PHP type reflection.
 */
final readonly class Type
{
        /** @var list<string|self> */
        private array $types;
        private bool $simple;
        private string $kind; // | &


        /**
         * Creates a Type object based on reflection. Resolves self, static and parent to the actual class name.
         * If the subject has no type, it returns null.
         */
        public static function fromReflection(
                \ReflectionFunctionAbstract|\ReflectionParameter|\ReflectionProperty $reflection,
        ): ?self
        {
                $type = $reflection instanceof \ReflectionFunctionAbstract
                        ? $reflection->getReturnType() ?? ($reflection instanceof \ReflectionMethod ? $reflection->getTentativeReturnType() : null)
                        : $reflection->getType();

                return $type ? self::fromReflectionType($type, $reflection, asObject: true) : null;
        }


        /**
         * @param  \ReflectionFunction|\ReflectionMethod|\ReflectionParameter|\ReflectionProperty  $of
         * @return ($asObject is true ? self : self|string)
         */
        private static function fromReflectionType(\ReflectionType $type, $of, bool $asObject): self|string
        {
                if ($type instanceof \ReflectionNamedType) {
                        $name = self::resolve($type->getName(), $of);
                        return $asObject
                                ? new self($type->allowsNull() && $name !== 'mixed' ? [$name, 'null'] : [$name])
                                : $name;

                } elseif ($type instanceof \ReflectionUnionType || $type instanceof \ReflectionIntersectionType) {
                        return new self(
                                array_map(fn($t) => self::fromReflectionType($t, $of, asObject: false), $type->getTypes()),
                                $type instanceof \ReflectionUnionType ? '|' : '&',
                        );

                } else {
                        throw new Nette\InvalidStateException('Unexpected type of ' . Reflection::toString($of));
                }
        }


        /**
         * Creates the Type object according to the text notation.
         */
        public static function fromString(string $type): self
        {
                if (!Validators::isTypeDeclaration($type)) {
                        throw new Nette\InvalidArgumentException("Invalid type '$type'.");
                }

                if ($type[0] === '?') {
                        return new self([substr($type, 1), 'null']);
                }

                $unions = [];
                foreach (explode('|', $type) as $part) {
                        $part = explode('&', trim($part, '()'));
                        $unions[] = count($part) === 1 ? $part[0] : new self($part, '&');
                }

                return count($unions) === 1 && $unions[0] instanceof self
                        ? $unions[0]
                        : new self($unions);
        }


        /**
         * Creates a Type object based on the actual type of value.
         */
        public static function fromValue(mixed $value): self
        {
                $type = get_debug_type($value);
                if (is_resource($value)) {
                        $type = 'mixed';
                } elseif (str_ends_with($type, '@anonymous')) {
                        $parent = substr($type, 0, -10);
                        $type = $parent === 'class' ? 'object' : $parent;
                }

                return new self([$type]);
        }


        /**
         * Resolves 'self', 'static' and 'parent' to the actual class name.
         */
        public static function resolve(
                string $type,
                \ReflectionFunction|\ReflectionMethod|\ReflectionParameter|\ReflectionProperty $of,
        ): string
        {
                $lower = strtolower($type);
                if ($of instanceof \ReflectionFunction) {
                        return $type;
                } elseif ($lower === 'self') {
                        return $of->getDeclaringClass()->name;
                } elseif ($lower === 'static') {
                        return ($of instanceof ReflectionMethod ? $of->getOriginalClass() : $of->getDeclaringClass())->name;
                } elseif ($lower === 'parent' && $of->getDeclaringClass()->getParentClass()) {
                        return $of->getDeclaringClass()->getParentClass()->name;
                } else {
                        return $type;
                }
        }


        /** @param  array<string|self>  $types */
        private function __construct(array $types, string $kind = '|')
        {
                $o = array_search('null', $types, strict: true);
                if ($o !== false) { // null as last
                        array_splice($types, $o, 1);
                        $types[] = 'null';
                }

                $this->types = $types;
                $this->simple = is_string($types[0]) && ($types[1] ?? 'null') === 'null';
                $this->kind = count($types) > 1 ? $kind : '';
        }


        public function __toString(): string
        {
                $multi = count($this->types) > 1;
                if ($this->simple) {
                        return ($multi ? '?' : '') . $this->types[0];
                }

                $res = [];
                foreach ($this->types as $type) {
                        $res[] = $type instanceof self && $multi ? "($type)" : $type;
                }
                return implode($this->kind, $res);
        }


        /**
         * Returns a type that accepts both the current type and the given type.
         */
        public function with(string|self $type): self
        {
                $type = is_string($type) ? self::fromString($type) : $type;
                return match (true) {
                        $this->allows($type) => $this,
                        $type->allows($this) => $type,
                        default => new self(array_unique(
                                array_merge($this->isIntersection() ? [$this] : $this->types, $type->isIntersection() ? [$type] : $type->types),
                                SORT_REGULAR,
                        ), '|'),
                };
        }


        /**
         * Returns the array of subtypes that make up the compound type as strings.
         * @return list<string|array<string|array<mixed>>>
         */
        public function getNames(): array
        {
                return array_values(array_map(fn($t) => $t instanceof self ? $t->getNames() : $t, $this->types));
        }


        /**
         * Returns the array of subtypes that make up the compound type as Type objects.
         * @return list<self>
         */
        public function getTypes(): array
        {
                return array_values(array_map(fn($t) => $t instanceof self ? $t : new self([$t]), $this->types));
        }


        /**
         * Returns the type name for simple types, otherwise null.
         */
        public function getSingleName(): ?string
        {
                return $this->simple
                        ? $this->types[0]
                        : null;
        }


        /**
         * Returns true whether it is a union type.
         */
        public function isUnion(): bool
        {
                return $this->kind === '|';
        }


        /**
         * Returns true whether it is an intersection type.
         */
        public function isIntersection(): bool
        {
                return $this->kind === '&';
        }


        /**
         * Returns true whether it is a simple type. Single nullable types are also considered to be simple types.
         */
        public function isSimple(): bool
        {
                return $this->simple;
        }


        #[\Deprecated('use isSimple()')]
        public function isSingle(): bool
        {
                return $this->simple;
        }


        /**
         * Returns true whether the type is both a simple and a PHP built-in type.
         */
        public function isBuiltin(): bool
        {
                return $this->simple && Validators::isBuiltinType($this->types[0]);
        }


        /**
         * Returns true whether the type is both a simple and a class name.
         */
        public function isClass(): bool
        {
                return $this->simple && !Validators::isBuiltinType($this->types[0]);
        }


        /**
         * Determines if type is special class name self/parent/static.
         */
        public function isClassKeyword(): bool
        {
                return $this->simple && Validators::isClassKeyword($this->types[0]);
        }


        /**
         * Verifies type compatibility. For example, it checks if a value of a certain type could be passed as a parameter.
         */
        public function allows(string|self $type): bool
        {
                if ($this->types === ['mixed']) {
                        return true;
                }

                $type = is_string($type) ? self::fromString($type) : $type;
                return $type->isUnion()
                        ? Arrays::every($type->types, fn($t) => $this->allowsAny($t instanceof self ? $t->types : [$t]))
                        : $this->allowsAny($type->types);
        }


        /** @param  (string|self)[]  $givenTypes */
        private function allowsAny(array $givenTypes): bool
        {
                return $this->isUnion()
                        ? Arrays::some($this->types, fn($t) => $this->allowsAll($t instanceof self ? $t->types : [$t], $givenTypes))
                        : $this->allowsAll($this->types, $givenTypes);
        }


        /**
         * @param  (string|self)[]  $ourTypes
         * @param  (string|self)[]  $givenTypes
         */
        private function allowsAll(array $ourTypes, array $givenTypes): bool
        {
                return Arrays::every(
                        $ourTypes,
                        fn(string $ourType) => Arrays::some(
                                $givenTypes,
                                fn(string $givenType) => Validators::isBuiltinType($ourType)
                                        ? strcasecmp($ourType, $givenType) === 0
                                        : is_a($givenType, $ourType, allow_string: true),
                        ),
                );
        }
}

1	<?php	1✔
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	declare(strict_types=1);
9
10	namespace Nette\Utils;
11
12	use Nette;
13	use function array_map, array_search, array_splice, count, explode, implode, is_a, is_resource, is_string, strcasecmp, strtolower, substr, trim;
14
15
16	/**
17	* PHP type reflection.
18	*/
19	final readonly class Type
20	{
21	/** @var list<string\|self> */
22	private array $types;
23	private bool $simple;
24	private string $kind; // \| &
25
26
27	/**
28	* Creates a Type object based on reflection. Resolves self, static and parent to the actual class name.
29	* If the subject has no type, it returns null.
30	*/
31	public static function fromReflection(	1✔
32	\ReflectionFunctionAbstract\|\ReflectionParameter\|\ReflectionProperty $reflection,
33	): ?self
34	{
35	$type = $reflection instanceof \ReflectionFunctionAbstract	1✔
36	? $reflection->getReturnType() ?? ($reflection instanceof \ReflectionMethod ? $reflection->getTentativeReturnType() : null)	1✔
37	: $reflection->getType();	1✔
38
39	return $type ? self::fromReflectionType($type, $reflection, asObject: true) : null;	1✔
40	}
41
42
43	/**
44	* @param \ReflectionFunction\|\ReflectionMethod\|\ReflectionParameter\|\ReflectionProperty $of
45	* @return ($asObject is true ? self : self\|string)
46	*/
47	private static function fromReflectionType(\ReflectionType $type, $of, bool $asObject): self\|string	1✔
48	{
49	if ($type instanceof \ReflectionNamedType) {	1✔
50	$name = self::resolve($type->getName(), $of);	1✔
51	return $asObject	1✔
52	? new self($type->allowsNull() && $name !== 'mixed' ? [$name, 'null'] : [$name])	1✔
53	: $name;	1✔
54
55	} elseif ($type instanceof \ReflectionUnionType \|\| $type instanceof \ReflectionIntersectionType) {	1✔
56	return new self(	1✔
57	array_map(fn($t) => self::fromReflectionType($t, $of, asObject: false), $type->getTypes()),	1✔
58	$type instanceof \ReflectionUnionType ? '\|' : '&',	1✔
59	);
60
61	} else {
62	throw new Nette\InvalidStateException('Unexpected type of ' . Reflection::toString($of));	×
63	}
64	}
65
66
67	/**
68	* Creates the Type object according to the text notation.
69	*/
70	public static function fromString(string $type): self	1✔
71	{
72	if (!Validators::isTypeDeclaration($type)) {	1✔
73	throw new Nette\InvalidArgumentException("Invalid type '$type'.");	×
74	}
75
76	if ($type[0] === '?') {	1✔
77	return new self([substr($type, 1), 'null']);	1✔
78	}
79
80	$unions = [];	1✔
81	foreach (explode('\|', $type) as $part) {	1✔
82	$part = explode('&', trim($part, '()'));	1✔
83	$unions[] = count($part) === 1 ? $part[0] : new self($part, '&');	1✔
84	}
85
86	return count($unions) === 1 && $unions[0] instanceof self	1✔
87	? $unions[0]	1✔
88	: new self($unions);	1✔
89	}
90
91
92	/**
93	* Creates a Type object based on the actual type of value.
94	*/
95	public static function fromValue(mixed $value): self	1✔
96	{
97	$type = get_debug_type($value);	1✔
98	if (is_resource($value)) {	1✔
99	$type = 'mixed';	1✔
100	} elseif (str_ends_with($type, '@anonymous')) {	1✔
101	$parent = substr($type, 0, -10);	1✔
102	$type = $parent === 'class' ? 'object' : $parent;	1✔
103	}
104
105	return new self([$type]);	1✔
106	}
107
108
109	/**
110	* Resolves 'self', 'static' and 'parent' to the actual class name.
111	*/
112	public static function resolve(	1✔
113	string $type,
114	\ReflectionFunction\|\ReflectionMethod\|\ReflectionParameter\|\ReflectionProperty $of,
115	): string
116	{
117	$lower = strtolower($type);	1✔
118	if ($of instanceof \ReflectionFunction) {	1✔
119	return $type;	1✔
120	} elseif ($lower === 'self') {	1✔
121	return $of->getDeclaringClass()->name;	1✔
122	} elseif ($lower === 'static') {	1✔
123	return ($of instanceof ReflectionMethod ? $of->getOriginalClass() : $of->getDeclaringClass())->name;	1✔
124	} elseif ($lower === 'parent' && $of->getDeclaringClass()->getParentClass()) {	1✔
125	return $of->getDeclaringClass()->getParentClass()->name;	1✔
126	} else {
127	return $type;	1✔
128	}
129	}
130
131
132	/** @param array<string\|self> $types */
133	private function __construct(array $types, string $kind = '\|')	1✔
134	{
135	$o = array_search('null', $types, strict: true);	1✔
136	if ($o !== false) { // null as last	1✔
137	array_splice($types, $o, 1);	1✔
138	$types[] = 'null';	1✔
139	}
140
141	$this->types = $types;	1✔
142	$this->simple = is_string($types[0]) && ($types[1] ?? 'null') === 'null';	1✔
143	$this->kind = count($types) > 1 ? $kind : '';	1✔
144	}	1✔
145
146
147	public function __toString(): string
148	{
149	$multi = count($this->types) > 1;	1✔
150	if ($this->simple) {	1✔
151	return ($multi ? '?' : '') . $this->types[0];	1✔
152	}
153
154	$res = [];	1✔
155	foreach ($this->types as $type) {	1✔
156	$res[] = $type instanceof self && $multi ? "($type)" : $type;	1✔
157	}
158	return implode($this->kind, $res);	1✔
159	}
160
161
162	/**
163	* Returns a type that accepts both the current type and the given type.
164	*/
165	public function with(string\|self $type): self	1✔
166	{
167	$type = is_string($type) ? self::fromString($type) : $type;	1✔
168	return match (true) {
169	$this->allows($type) => $this,	1✔
170	$type->allows($this) => $type,	1✔
171	default => new self(array_unique(	1✔
172	array_merge($this->isIntersection() ? [$this] : $this->types, $type->isIntersection() ? [$type] : $type->types),	1✔
173	SORT_REGULAR,	1✔
174	), '\|'),	1✔
175	};
176	}
177
178
179	/**
180	* Returns the array of subtypes that make up the compound type as strings.
181	* @return list<string\|array<string\|array<mixed>>>
182	*/
183	public function getNames(): array
184	{
185	return array_values(array_map(fn($t) => $t instanceof self ? $t->getNames() : $t, $this->types));	1✔
186	}
187
188
189	/**
190	* Returns the array of subtypes that make up the compound type as Type objects.
191	* @return list<self>
192	*/
193	public function getTypes(): array
194	{
195	return array_values(array_map(fn($t) => $t instanceof self ? $t : new self([$t]), $this->types));	1✔
196	}
197
198
199	/**
200	* Returns the type name for simple types, otherwise null.
201	*/
202	public function getSingleName(): ?string
203	{
204	return $this->simple	1✔
205	? $this->types[0]	1✔
206	: null;	1✔
207	}
208
209
210	/**
211	* Returns true whether it is a union type.
212	*/
213	public function isUnion(): bool
214	{
215	return $this->kind === '\|';	1✔
216	}
217
218
219	/**
220	* Returns true whether it is an intersection type.
221	*/
222	public function isIntersection(): bool
223	{
224	return $this->kind === '&';	1✔
225	}
226
227
228	/**
229	* Returns true whether it is a simple type. Single nullable types are also considered to be simple types.
230	*/
231	public function isSimple(): bool
232	{
233	return $this->simple;	1✔
234	}
235
236
237	#[\Deprecated('use isSimple()')]
238	public function isSingle(): bool
239	{
240	return $this->simple;	×
241	}
242
243
244	/**
245	* Returns true whether the type is both a simple and a PHP built-in type.
246	*/
247	public function isBuiltin(): bool
248	{
249	return $this->simple && Validators::isBuiltinType($this->types[0]);	1✔
250	}
251
252
253	/**
254	* Returns true whether the type is both a simple and a class name.
255	*/
256	public function isClass(): bool
257	{
258	return $this->simple && !Validators::isBuiltinType($this->types[0]);	1✔
259	}
260
261
262	/**
263	* Determines if type is special class name self/parent/static.
264	*/
265	public function isClassKeyword(): bool
266	{
267	return $this->simple && Validators::isClassKeyword($this->types[0]);	1✔
268	}
269
270
271	/**
272	* Verifies type compatibility. For example, it checks if a value of a certain type could be passed as a parameter.
273	*/
274	public function allows(string\|self $type): bool	1✔
275	{
276	if ($this->types === ['mixed']) {	1✔
277	return true;	1✔
278	}
279
280	$type = is_string($type) ? self::fromString($type) : $type;	1✔
281	return $type->isUnion()	1✔
282	? Arrays::every($type->types, fn($t) => $this->allowsAny($t instanceof self ? $t->types : [$t]))	1✔
283	: $this->allowsAny($type->types);	1✔
284	}
285
286
287	/** @param (string\|self)[] $givenTypes */
288	private function allowsAny(array $givenTypes): bool	1✔
289	{
290	return $this->isUnion()	1✔
291	? Arrays::some($this->types, fn($t) => $this->allowsAll($t instanceof self ? $t->types : [$t], $givenTypes))	1✔
292	: $this->allowsAll($this->types, $givenTypes);	1✔
293	}
294
295
296	/**
297	* @param (string\|self)[] $ourTypes
298	* @param (string\|self)[] $givenTypes
299	*/
300	private function allowsAll(array $ourTypes, array $givenTypes): bool	1✔
301	{
302	return Arrays::every(	1✔
303	$ourTypes,	1✔
304	fn(string $ourType) => Arrays::some(	1✔
305	$givenTypes,	1✔
306	fn(string $givenType) => Validators::isBuiltinType($ourType)	1✔
307	? strcasecmp($ourType, $givenType) === 0	1✔
308	: is_a($givenType, $ourType, allow_string: true),	1✔
309	),	1✔
310	);
311	}
312	}

nette / utils / 21934836766

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