Subversion-Projekte lars-tiefland.laravel_shop

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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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declare(strict_types=1);
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namespace League\Flysystem;
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use ArrayIterator;
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use Generator;
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use IteratorAggregate;
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use Traversable;
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/**
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 * @template T
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 */
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class DirectoryListing implements IteratorAggregate
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{
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    /**
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     * @param iterable<T> $listing
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     */
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    public function __construct(private iterable $listing)
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    {
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    }
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    public function filter(callable $filter): DirectoryListing
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    {
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        $generator = (static function (iterable $listing) use ($filter): Generator {
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            foreach ($listing as $item) {
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                if ($filter($item)) {
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                    yield $item;
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                }
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            }
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        })($this->listing);
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        return new DirectoryListing($generator);
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    }
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    public function map(callable $mapper): DirectoryListing
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    {
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        $generator = (static function (iterable $listing) use ($mapper): Generator {
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            foreach ($listing as $item) {
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                yield $mapper($item);
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            }
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        })($this->listing);
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        return new DirectoryListing($generator);
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    }
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    public function sortByPath(): DirectoryListing
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    {
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        $listing = $this->toArray();
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        usort($listing, function (StorageAttributes $a, StorageAttributes $b) {
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            return $a->path() <=> $b->path();
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        });
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        return new DirectoryListing($listing);
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    }
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    /**
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     * @return Traversable<T>
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     */
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    public function getIterator(): Traversable
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    {
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        return $this->listing instanceof Traversable
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            ? $this->listing
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            : new ArrayIterator($this->listing);
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    }
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    /**
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     * @return T[]
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     */
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    public function toArray(): array
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    {
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        return $this->listing instanceof Traversable
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            ? iterator_to_array($this->listing, false)
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            : (array) $this->listing;
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    }
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}