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<?php |
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declare(strict_types=1); |
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namespace Knp\DictionaryBundle\Dictionary; |
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use ArrayIterator; |
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use InvalidArgumentException; |
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use Knp\DictionaryBundle\Dictionary; |
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/** |
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* @template E |
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* @implements Dictionary<E> |
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*/ |
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final class Invokable implements Dictionary |
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{ |
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/** |
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* @var string |
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*/ |
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private $name; |
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/** |
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* @var bool |
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*/ |
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private $invoked = false; |
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/** |
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* @var array<mixed, mixed> |
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*/ |
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private $values = []; |
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/** |
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* @var callable |
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*/ |
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private $callable; |
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/** |
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* @var mixed[] |
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*/ |
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private $callableArgs = []; |
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/** |
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* @param mixed[] $callableArgs |
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*/ |
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public function __construct(string $name, callable $callable, array $callableArgs = []) |
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{ |
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$this->name = $name; |
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$this->callable = $callable; |
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$this->callableArgs = $callableArgs; |
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} |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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public function getValues(): array |
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{ |
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$this->invoke(); |
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return $this->values; |
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} |
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public function getKeys(): array |
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{ |
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$this->invoke(); |
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return array_keys($this->values); |
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} |
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public function offsetExists($offset): bool |
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{ |
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$this->invoke(); |
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return \array_key_exists($offset, $this->values); |
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} |
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public function offsetGet($offset) |
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{ |
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$this->invoke(); |
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return $this->values[$offset]; |
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} |
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public function offsetSet($offset, $value): void |
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{ |
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$this->invoke(); |
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$this->values[$offset] = $value; |
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} |
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public function offsetUnset($offset): void |
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{ |
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$this->invoke(); |
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unset($this->values[$offset]); |
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} |
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/** |
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* @return ArrayIterator<mixed, mixed> |
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*/ |
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3 |
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public function getIterator(): ArrayIterator |
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{ |
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$this->invoke(); |
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return new ArrayIterator($this->values); |
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} |
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public function count(): int |
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{ |
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$this->invoke(); |
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return \count($this->values); |
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} |
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private function invoke(): void |
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{ |
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if ($this->invoked) { |
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return; |
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} |
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$values = ($this->callable)(...$this->callableArgs); |
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if (!\is_array($values)) { |
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throw new InvalidArgumentException( |
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1 |
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'Dictionary callable must return an array or an instance of ArrayAccess.' |
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); |
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} |
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$this->values = $values; |
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$this->invoked = true; |
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} |
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} |
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KnpLabs /
DictionaryBundle
