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<?php |
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/* |
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* This file is part of the slince/spike package. |
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* |
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* (c) Slince <[email protected]> |
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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 Slince\Common; |
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use React\Promise; |
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use React\Stream\ReadableStreamInterface; |
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use Spike\Common\Exception\RuntimeException; |
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use Spike\Common\Protocol\HttpHeaderParser; |
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use Spike\Common\Protocol\StreamingJsonParser; |
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/** |
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* @param ReadableStreamInterface $stream |
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* @param callable $resolve |
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* @param callable $reject |
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* @param StreamingJsonParser $streamParser |
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*/ |
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function jsonBuffer(ReadableStreamInterface $stream, callable $resolve, callable $reject = null, StreamingJsonParser $streamParser = null) |
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{ |
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// stream already ended => resolve with empty buffer |
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if (!$stream->isReadable()) { |
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return; |
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} |
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if (null === $streamParser) { |
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$streamParser = new StreamingJsonParser(); |
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} |
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$bufferer = function ($data) use ($resolve, $streamParser) { |
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$parsed = $streamParser->push($data); |
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if ($parsed) { |
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$resolve($parsed); |
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} |
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}; |
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$stream->on('data', $bufferer); |
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$stream->on('error', function ($error) use ($stream, $bufferer, $reject) { |
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$stream->removeListener('data', $bufferer); |
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$reject && $reject(new RuntimeException('An error occured on the underlying stream while buffering', 0, $error)); |
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}); |
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$stream->on('close', function () use ($resolve, $streamParser) { |
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$resolve($streamParser->push('')); |
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}); |
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} |
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/** |
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* @param ReadableStreamInterface $stream |
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* @param HttpHeaderParser $parser |
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* |
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* @return Promise\PromiseInterface |
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*/ |
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function httpHeaderBuffer(ReadableStreamInterface $stream, HttpHeaderParser $parser = null) |
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{ |
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// stream already ended => resolve with empty buffer |
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if (!$stream->isReadable()) { |
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return Promise\resolve(''); |
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} |
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if (null === $parser) { |
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$parser = new HttpHeaderParser(); |
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} |
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$promise = new Promise\Promise(function ($resolve, $reject) use ($stream, &$bufferer, $parser) { |
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$bufferer = function ($data) use ($resolve, $parser) { |
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$parsed = $parser->push($data); |
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if ($parsed) { |
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$resolve($parsed); |
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} |
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}; |
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$stream->on('data', $bufferer); |
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$stream->on('error', function ($error) use ($reject) { |
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$reject(new RuntimeException('An error occured on the underlying stream while buffering', 0, $error)); |
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}); |
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$stream->on('close', function () use ($resolve, $parser) { |
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$resolve($parser->push('')); |
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}); |
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}, function ($_, $reject) { |
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$reject(new RuntimeException('Cancelled buffering')); |
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}); |
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return $promise->then(null, function ($error) use (&$buffer, $bufferer, $stream) { |
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// promise rejected => clear buffer and buffering |
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$buffer = ''; |
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$stream->removeListener('data', $bufferer); |
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throw $error; |
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}); |
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} |
slince /
spike
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.