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<?php declare(strict_types=1);
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/*
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 * This file is part of sebastian/complexity.
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 *
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 * (c) Sebastian Bergmann <sebastian@phpunit.de>
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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 SebastianBergmann\Complexity;
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use function count;
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use Countable;
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use IteratorAggregate;
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/**
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 * @psalm-immutable
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 */
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final class ComplexityCollection implements Countable, IteratorAggregate
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{
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    /**
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     * @psalm-var list<Complexity>
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     */
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    private $items = [];
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    public static function fromList(Complexity ...$items): self
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    {
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        return new self($items);
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    }
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    /**
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     * @psalm-param list<Complexity> $items
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     */
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    private function __construct(array $items)
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    {
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        $this->items = $items;
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    }
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    /**
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     * @psalm-return list<Complexity>
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     */
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    public function asArray(): array
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    {
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        return $this->items;
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    }
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    public function getIterator(): ComplexityCollectionIterator
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    {
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        return new ComplexityCollectionIterator($this);
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    }
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    public function count(): int
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    {
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        return count($this->items);
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    }
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    public function isEmpty(): bool
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    {
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        return empty($this->items);
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    }
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    public function cyclomaticComplexity(): int
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    {
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        $cyclomaticComplexity = 0;
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        foreach ($this as $item) {
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            $cyclomaticComplexity += $item->cyclomaticComplexity();
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        }
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        return $cyclomaticComplexity;
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    }
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}