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<?php |
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namespace Mpyw\StreamInterfaceResource\Registry; |
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use Mpyw\StreamInterfaceResource\Unserializable; |
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use Psr\Http\Message\StreamInterface; |
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class StreamRegistrar implements StreamRegistrarInterface |
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{ |
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use Unserializable; |
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/** |
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* @var static |
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*/ |
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protected static $instance; |
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/** |
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* @var PathGeneratorInterface |
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*/ |
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protected $pathGenerator; |
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/** |
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* @var \SplObjectStorage|string[] |
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*/ |
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protected $streamToPath; |
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/** |
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* @var StreamInterface[] |
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*/ |
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protected $pathToStream = []; |
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/** |
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* @return static |
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*/ |
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public static function getInstance() |
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{ |
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if (!static::$instance) { |
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StreamWrapperRegistrar::registerFor(static::$instance = new static()); |
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} |
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return static::$instance; |
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} |
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public function __construct(?PathGeneratorInterface $pathGenerator = null) |
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{ |
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$this->pathGenerator = $pathGenerator ?? new PathGenerator($this); |
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$this->streamToPath = new \SplObjectStorage(); |
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} |
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public function register(StreamInterface $stream): void |
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{ |
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if (!$this->streamToPath->contains($stream)) { |
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$path = $this->pathGenerator->generatePathFor($stream); |
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$this->streamToPath->attach($stream, $path); |
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$this->pathToStream[$path] = $stream; |
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} |
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} |
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public function remove(StreamInterface $stream): void |
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{ |
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if ($this->streamToPath->contains($stream)) { |
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$path = $this->pathGenerator->generatePathFor($stream); |
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$this->streamToPath->detach($stream); |
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unset($this->pathToStream[$path]); |
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} |
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} |
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public function pathFor(StreamInterface $stream): string |
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{ |
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if (!$this->streamToPath->contains($stream)) { |
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// @codeCoverageIgnoreStart |
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throw new \OutOfBoundsException(); |
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// @codeCoverageIgnoreEnd |
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} |
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return $this->streamToPath[$stream]; |
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} |
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public function streamFor(string $path): StreamInterface |
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{ |
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if (!isset($this->pathToStream[$path])) { |
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// @codeCoverageIgnoreStart |
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throw new \OutOfBoundsException(); |
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// @codeCoverageIgnoreEnd |
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} |
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return $this->pathToStream[$path]; |
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} |
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public function __debugInfo(): array |
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{ |
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$map = []; |
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foreach ($this->pathToStream as $path => $stream) { |
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$key = \sprintf('object(%s)#%s', \get_class($stream), \spl_object_id($stream)); |
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$map[$key] = $this->pathGenerator->generatePathFor($stream); |
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} |
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return [ |
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'*map*' => $map, |
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]; |
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} |
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} |
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mpyw /
stream-interface-resource
