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<?php declare(strict_types=1); |
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/** |
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* This file is part of the daikon-cqrs/data-structure project. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Daikon\DataStructure; |
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use Assert\Assert; |
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use Daikon\Interop\RuntimeException; |
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use Ds\Map; |
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trait MapTrait |
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{ |
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private Map $compositeMap; |
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private function init(iterable $values): void |
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{ |
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if (isset($this->compositeVector)) { |
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throw new RuntimeException('Cannot reinitialize map'); |
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} |
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foreach ($values as $key => $value) { |
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$this->assertValidKey($key); |
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$this->assertValidType($value); |
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} |
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$this->compositeMap = new Map($values); |
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} |
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public function keys(): array |
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{ |
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$this->assertInitialized(); |
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return $this->compositeMap->keys()->toArray(); |
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} |
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public function has(string $key): bool |
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{ |
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$this->assertInitialized(); |
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return $this->compositeMap->hasKey($key); |
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} |
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public function get(string $key, $default = null) |
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{ |
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$this->assertInitialized(); |
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if (func_num_args() === 1) { |
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Assert::that($this->has($key))->true("Key '$key' not found and no default provided"); |
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return $this->compositeMap->get($key); |
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} else { |
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if (!is_null($default)) { |
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$this->assertValidType($default); |
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} |
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return $this->compositeMap->get($key, $default); |
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} |
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} |
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public function with(string $key, $value): self |
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{ |
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$this->assertInitialized(); |
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$this->assertValidType($value); |
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$copy = clone $this; |
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$copy->compositeMap->put($key, $value); |
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return $copy; |
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} |
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public function without(string $key): self |
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{ |
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$this->assertInitialized(); |
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Assert::that($this->has($key))->true("Key '$key' not found"); |
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$copy = clone $this; |
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$copy->compositeMap->remove($key); |
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return $copy; |
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} |
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public function first() |
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{ |
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$this->assertInitialized(); |
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/** @psalm-suppress MissingPropertyType */ |
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return $this->compositeMap->first()->value; |
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} |
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public function last() |
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{ |
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$this->assertInitialized(); |
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/** @psalm-suppress MissingPropertyType */ |
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return $this->compositeMap->last()->value; |
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} |
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public function isEmpty(): bool |
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{ |
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$this->assertInitialized(); |
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return $this->compositeMap->isEmpty(); |
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} |
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/** @param static $map */ |
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public function equals($map): bool |
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{ |
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$this->assertValidMap($map); |
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return $this->unwrap() === $map->unwrap(); |
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} |
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public function count(): int |
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{ |
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$this->assertInitialized(); |
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return $this->compositeMap->count(); |
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} |
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public function unwrap(): array |
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{ |
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$this->assertInitialized(); |
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return $this->compositeMap->toArray(); |
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} |
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/** @psalm-suppress ImplementedReturnTypeMismatch */ |
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public function getIterator(): Map |
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{ |
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return $this->compositeMap; |
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} |
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private function assertInitialized(): void |
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{ |
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/** @psalm-suppress TypeDoesNotContainType */ |
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if (!isset($this->compositeMap)) { |
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throw new RuntimeException('Map is not initialized'); |
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} |
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} |
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/** @param mixed $key */ |
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private function assertValidKey($key): void |
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{ |
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Assert::that($key, 'Key must be a valid string')->string()->notEmpty(); |
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} |
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/** @param mixed $value */ |
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private function assertValidType($value): void |
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{ |
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$valueIsValid = is_array($value) || is_scalar($value); |
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Assert::that($valueIsValid)->true(sprintf( |
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"Invalid value type given to %s, expected scalar or array but was given '%s'", |
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static::class, |
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is_object($value) ? get_class($value) : @gettype($value) |
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)); |
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} |
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/** @param mixed $map */ |
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private function assertValidMap($map): void |
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{ |
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Assert::that($map)->isInstanceOf( |
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static::class, |
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'Map operation must be on same type as '.static::class |
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); |
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} |
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public function __get(string $key) |
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{ |
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return $this->get($key); |
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} |
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public function __clone() |
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{ |
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$this->compositeMap = clone $this->compositeMap; |
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} |
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} |
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daikon-cqrs /
data-structure
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