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Complexity
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ComplexityCollection-20250317111718.php
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<?php declare(strict_types=1); /* * This file is part of sebastian/complexity. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace SebastianBergmann\Complexity; use function array_filter; use function array_merge; use function array_reverse; use function array_values; use function count; use function usort; use Countable; use IteratorAggregate; /** * @psalm-immutable */ final class ComplexityCollection implements Countable, IteratorAggregate { /** * @psalm-var list<Complexity> */ private readonly array $items; public static function fromList(Complexity ...$items): self { return new self($items); } /** * @psalm-param list<Complexity> $items */ private function __construct(array $items) { $this->items = $items; } /** * @psalm-return list<Complexity> */ public function asArray(): array { return $this->items; } public function getIterator(): ComplexityCollectionIterator { return new ComplexityCollectionIterator($this); } /** * @psalm-return non-negative-int */ public function count(): int { return count($this->items); } public function isEmpty(): bool { return empty($this->items); } /** * @psalm-return non-negative-int */ public function cyclomaticComplexity(): int { $cyclomaticComplexity = 0; foreach ($this as $item) { $cyclomaticComplexity += $item->cyclomaticComplexity(); } return $cyclomaticComplexity; } public function isFunction(): self { return new self( array_values( array_filter( $this->items, static fn (Complexity $complexity): bool => $complexity->isFunction(), ), ), ); } public function isMethod(): self { return new self( array_values( array_filter( $this->items, static fn (Complexity $complexity): bool => $complexity->isMethod(), ), ), ); } public function mergeWith(self $other): self { return new self( array_merge( $this->asArray(), $other->asArray(), ), ); } public function sortByDescendingCyclomaticComplexity(): self { $items = $this->items; usort( $items, static function (Complexity $a, Complexity $b): int { return $a->cyclomaticComplexity() <=> $b->cyclomaticComplexity(); }, ); return new self(array_reverse($items)); } }