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| 1 | <?php |
| 2 | namespace Apie\Core\Lists; |
| 3 | |
| 4 | use Apie\Core\Exceptions\IndexNotFoundException; |
| 5 | use Apie\Core\Exceptions\InvalidTypeException; |
| 6 | use Apie\Core\Exceptions\ObjectIsEmpty; |
| 7 | use Apie\Core\Exceptions\ObjectIsImmutable; |
| 8 | use Apie\Core\TypeUtils; |
| 9 | use Apie\Core\ValueObjects\Utils; |
| 10 | use ArrayIterator; |
| 11 | use Iterator; |
| 12 | use ReflectionClass; |
| 13 | use ReflectionType; |
| 14 | use stdClass; |
| 15 | |
| 16 | /** |
| 17 | * @template T |
| 18 | * @implements HashmapInterface<T> |
| 19 | */ |
| 20 | class ItemHashmap implements HashmapInterface |
| 21 | { |
| 22 | protected stdClass $internal; |
| 23 | /** |
| 24 | * @var array<string|int, T> |
| 25 | */ |
| 26 | protected array $internalArray = []; |
| 27 | |
| 28 | /** @var ReflectionType[] */ |
| 29 | private static $typeMapping = []; |
| 30 | |
| 31 | protected bool $mutable = true; |
| 32 | |
| 33 | /** |
| 34 | * @param array<string|int, T>|stdClass $input |
| 35 | */ |
| 36 | final public function __construct(array|stdClass $input = []) |
| 37 | { |
| 38 | $this->internal = new stdClass(); |
| 39 | $oldMutable = $this->mutable; |
| 40 | $this->mutable = true; |
| 41 | foreach ($input as $key => $item) { |
| 42 | $this->offsetSet($key, $item); |
| 43 | } |
| 44 | $this->mutable = $oldMutable; |
| 45 | } |
| 46 | |
| 47 | final public function toImmutable(): static |
| 48 | { |
| 49 | $copy = clone $this; |
| 50 | $copy->internal = clone $copy->internal; |
| 51 | $copy->mutable = false; |
| 52 | return $copy; |
| 53 | } |
| 54 | |
| 55 | final public function toMutable(): static |
| 56 | { |
| 57 | $copy = clone $this; |
| 58 | $copy->internal = clone $copy->internal; |
| 59 | $copy->mutable = true; |
| 60 | return $copy; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * @return T |
| 65 | */ |
| 66 | public function first(): mixed |
| 67 | { |
| 68 | if (empty($this->internalArray)) { |
| 69 | throw ObjectIsEmpty::createForHashmap(); |
| 70 | } |
| 71 | return reset($this->internalArray); |
| 72 | } |
| 73 | |
| 74 | public function count(): int |
| 75 | { |
| 76 | return count($this->internalArray); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * @return array<string|int, T> |
| 81 | */ |
| 82 | public function toArray(): array |
| 83 | { |
| 84 | return $this->internalArray; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * @return Iterator<string|int, T> |
| 89 | */ |
| 90 | public function getIterator(): Iterator |
| 91 | { |
| 92 | return new ArrayIterator($this->internalArray); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * @return stdClass |
| 97 | */ |
| 98 | public function jsonSerialize(): stdClass |
| 99 | { |
| 100 | return $this->internal; |
| 101 | } |
| 102 | |
| 103 | public function offsetExists(mixed $offset): bool |
| 104 | { |
| 105 | return array_key_exists($offset, $this->internalArray); |
| 106 | } |
| 107 | |
| 108 | public function offsetGet(mixed $offset): mixed |
| 109 | { |
| 110 | $offset = Utils::toString($offset); |
| 111 | if (!array_key_exists($offset, $this->internalArray)) { |
| 112 | throw new IndexNotFoundException($offset); |
| 113 | } |
| 114 | return $this->internalArray[$offset]; |
| 115 | } |
| 116 | |
| 117 | protected function getType(): ReflectionType |
| 118 | { |
| 119 | $currentClass = static::class; |
| 120 | if (!isset(self::$typeMapping[$currentClass])) { |
| 121 | self::$typeMapping[$currentClass] = (new ReflectionClass($currentClass))->getMethod('offsetGet')->getReturnType(); |
| 122 | } |
| 123 | return self::$typeMapping[$currentClass]; |
| 124 | } |
| 125 | |
| 126 | protected function offsetCheck(mixed $value): string |
| 127 | { |
| 128 | if ($value === null) { // append |
| 129 | return (string) count($this->internalArray); |
| 130 | } |
| 131 | return Utils::toString($value); |
| 132 | } |
| 133 | |
| 134 | protected function typeCheck(mixed $value): void |
| 135 | { |
| 136 | if (static::class === ItemHashmap::class) { |
| 137 | return; |
| 138 | } |
| 139 | $type = $this->getType(); |
| 140 | if (!TypeUtils::matchesType($type, $value)) { |
| 141 | throw new InvalidTypeException($value, $type->__toString()); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | public function offsetSet(mixed $offset, mixed $value): void |
| 146 | { |
| 147 | if (!$this->mutable) { |
| 148 | throw new ObjectIsImmutable($this); |
| 149 | } |
| 150 | $offset = $this->offsetCheck($offset); |
| 151 | $this->typeCheck($value); |
| 152 | $this->internal->{$offset} = $value; |
| 153 | $this->internalArray[$offset] = $value; |
| 154 | } |
| 155 | |
| 156 | public function offsetUnset(mixed $offset): void |
| 157 | { |
| 158 | if (!$this->mutable) { |
| 159 | throw new ObjectIsImmutable($this); |
| 160 | } |
| 161 | $offset = Utils::toString($offset); |
| 162 | if (array_key_exists($offset, $this->internalArray)) { |
| 163 | unset($this->internalArray[$offset]); |
| 164 | unset($this->internal->{$offset}); |
| 165 | return; |
| 166 | } |
| 167 | |
| 168 | throw new IndexNotFoundException($offset); |
| 169 | } |
| 170 | } |