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<?php |
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declare(strict_types=1); |
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namespace PhpCfdi\SatCatalogosPopulate; |
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use ArrayIterator; |
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use Countable; |
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use InvalidArgumentException; |
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use IteratorAggregate; |
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/** |
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* @template T |
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* @implements IteratorAggregate<T> |
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*/ |
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abstract class AbstractCollection implements Countable, IteratorAggregate |
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{ |
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/** @var array<int, T> */ |
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private array $members; |
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private int $count; |
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abstract public function isValidMember(mixed $member): bool; |
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/** |
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* @param array<T> $members |
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*/ |
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public function __construct(array $members) |
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{ |
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foreach ($members as $index => $member) { |
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if (! $this->isValidMember($member)) { |
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throw new InvalidArgumentException( |
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"The member $index contains an object that is not valid for this collection" |
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); |
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} |
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} |
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$this->members = array_values($members); |
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$this->count = count($members); |
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} |
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/** |
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* @param T $member |
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*/ |
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public function contains($member): bool |
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{ |
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return in_array($member, $this->members, true); |
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} |
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/** |
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* @return T |
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*/ |
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public function get(int $index) |
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{ |
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if (! isset($this->members[$index])) { |
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throw new InvalidArgumentException( |
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"The collection does not contain the index $index" |
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); |
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} |
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return $this->members[$index]; |
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} |
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/** |
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* @return array<int, T> |
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*/ |
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public function all(): array |
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{ |
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return $this->members; |
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} |
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/** @return T */ |
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public function first() |
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{ |
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return $this->members[0]; |
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} |
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/** @return T */ |
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public function last() |
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{ |
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return $this->members[$this->count - 1]; |
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} |
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/** @return ArrayIterator<int, T> */ |
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public function getIterator(): ArrayIterator |
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{ |
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return new ArrayIterator($this->members); |
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} |
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public function count(): int |
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{ |
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return $this->count; |
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} |
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} |
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phpcfdi /
sat-catalogos-populate
