Knp\DictionaryBundle\Dictionary\Invokable

Complexity

Total Complexity

13

Size/Duplication

Total Lines	106
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

11 Methods

Rating	Name	Duplication	Size	Complexity
A	getName()	0	3	1
A	offsetSet()	0	5	1
A	offsetGet()	0	6	1
A	count()	0	5	1
A	getKeys()	0	5	1
A	offsetUnset()	0	5	1
A	invoke()	0	16	3
A	getIterator()	0	5	1
A	offsetExists()	0	5	1
A	getValues()	0	5	1
A	__construct()	0	6	1

<?php

declare(strict_types=1);

namespace Knp\DictionaryBundle\Dictionary;

use Knp\DictionaryBundle\Dictionary;

/**
 * @template E
 *
 * @implements Dictionary<E>
 */
final class Invokable implements Dictionary
{
    private bool $invoked = false;

    /**
     * @var array<mixed, mixed>
     */
    private array $values = [];

    /**
     * @var callable
     */
    private $callable;

    /**
     * @param mixed[] $callableArgs
     */
    public function __construct(
        private readonly string $name,
        callable $callable,
        private readonly array $callableArgs = []
    ) {
        $this->callable = $callable;
    }

    public function getValues(): array
    {
        $this->invoke();

        return $this->values;
    }

    public function getName(): string
    {
        return $this->name;
    }

    public function getKeys(): array
    {
        $this->invoke();

        return array_keys($this->values);
    }

    public function offsetExists($offset): bool
    {
        $this->invoke();

        return \array_key_exists($offset, $this->values);
    }

    #[\ReturnTypeWillChange]
    public function offsetGet($offset)
    {
        $this->invoke();

        return $this->values[$offset];
    }

    public function offsetSet($offset, $value): void
    {
        $this->invoke();

        $this->values[$offset] = $value;
    }

    public function offsetUnset($offset): void
    {
        $this->invoke();

        unset($this->values[$offset]);
    }

    /**
     * @return \ArrayIterator<int|string, mixed>
     */
    public function getIterator(): \ArrayIterator
    {
        $this->invoke();

        return new \ArrayIterator($this->values);
    }

    public function count(): int
    {
        $this->invoke();

        return \count($this->values);
    }

    private function invoke(): void
    {
        if ($this->invoked) {
            return;
        }

        $values = ($this->callable)(...$this->callableArgs);

        if (!\is_array($values)) {
            throw new \InvalidArgumentException(
                'Dictionary callable must return an array or an instance of ArrayAccess.'
            );
        }

        $this->values  = $values;
        $this->invoked = true;
    }
}