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<?php |
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/** |
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* This file is part of the BEAR.Streamer package. |
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* |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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namespace BEAR\Streamer; |
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use BEAR\Resource\RenderInterface; |
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use BEAR\Resource\ResourceObject; |
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final class StreamRenderer implements RenderInterface |
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{ |
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/** |
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* @var RenderInterface |
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*/ |
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private $renderer; |
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/** |
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* Pushed stream |
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* |
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* @var resource[] |
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*/ |
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private $streams = []; |
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/** |
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* @var StreamerInterface |
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*/ |
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private $streamer; |
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public function __construct(RenderInterface $renderer, StreamerInterface $streamer) |
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{ |
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$this->renderer = $renderer; |
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$this->streamer = $streamer; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render(ResourceObject $ro) |
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{ |
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$view = $this->getView($ro); |
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$this->streamer->addStreams($this->streams); |
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return $view; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getView(ResourceObject $ro) |
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{ |
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if (is_array($ro->body)) { |
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$this->pushArrayBody($ro); |
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return $this->renderer->render($ro); |
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} |
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return $this->pushScalarBody($ro); |
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} |
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/** |
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* @param resource $item |
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* |
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* @return string |
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*/ |
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private function pushStream($item) : string |
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{ |
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$id = uniqid(__FUNCTION__ . mt_rand(), true) . '_'; |
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$this->streams[$id] = $item; // push |
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return $id; |
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} |
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private function pushScalarBody(ResourceObject $ro) : string |
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{ |
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if (is_resource($ro->body) && get_resource_type($ro->body) === 'stream') { |
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return $this->pushStream($ro->body); |
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} |
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return $this->renderer->render($ro); |
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} |
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private function pushArrayBody(ResourceObject $ro) |
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{ |
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foreach ($ro->body as &$item) { |
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if (is_resource($item) && get_resource_type($item) === 'stream') { |
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$item = $this->pushStream($item); |
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} |
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} |
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} |
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} |
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bearsunday /
BEAR.Streamer
