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Diffstat (limited to 'vendor/react/http/src/Io/ReadableBodyStream.php')
-rw-r--r-- | vendor/react/http/src/Io/ReadableBodyStream.php | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/vendor/react/http/src/Io/ReadableBodyStream.php b/vendor/react/http/src/Io/ReadableBodyStream.php new file mode 100644 index 0000000..daef45f --- /dev/null +++ b/vendor/react/http/src/Io/ReadableBodyStream.php @@ -0,0 +1,153 @@ +<?php + +namespace React\Http\Io; + +use Evenement\EventEmitter; +use Psr\Http\Message\StreamInterface; +use React\Stream\ReadableStreamInterface; +use React\Stream\Util; +use React\Stream\WritableStreamInterface; + +/** + * @internal + */ +class ReadableBodyStream extends EventEmitter implements ReadableStreamInterface, StreamInterface +{ + private $input; + private $position = 0; + private $size; + private $closed = false; + + public function __construct(ReadableStreamInterface $input, $size = null) + { + $this->input = $input; + $this->size = $size; + + $that = $this; + $pos =& $this->position; + $input->on('data', function ($data) use ($that, &$pos, $size) { + $that->emit('data', array($data)); + + $pos += \strlen($data); + if ($size !== null && $pos >= $size) { + $that->handleEnd(); + } + }); + $input->on('error', function ($error) use ($that) { + $that->emit('error', array($error)); + $that->close(); + }); + $input->on('end', array($that, 'handleEnd')); + $input->on('close', array($that, 'close')); + } + + public function close() + { + if (!$this->closed) { + $this->closed = true; + $this->input->close(); + + $this->emit('close'); + $this->removeAllListeners(); + } + } + + public function isReadable() + { + return $this->input->isReadable(); + } + + public function pause() + { + $this->input->pause(); + } + + public function resume() + { + $this->input->resume(); + } + + public function pipe(WritableStreamInterface $dest, array $options = array()) + { + Util::pipe($this, $dest, $options); + + return $dest; + } + + public function eof() + { + return !$this->isReadable(); + } + + public function __toString() + { + return ''; + } + + public function detach() + { + throw new \BadMethodCallException(); + } + + public function getSize() + { + return $this->size; + } + + public function tell() + { + throw new \BadMethodCallException(); + } + + public function isSeekable() + { + return false; + } + + public function seek($offset, $whence = SEEK_SET) + { + throw new \BadMethodCallException(); + } + + public function rewind() + { + throw new \BadMethodCallException(); + } + + public function isWritable() + { + return false; + } + + public function write($string) + { + throw new \BadMethodCallException(); + } + + public function read($length) + { + throw new \BadMethodCallException(); + } + + public function getContents() + { + throw new \BadMethodCallException(); + } + + public function getMetadata($key = null) + { + return ($key === null) ? array() : null; + } + + /** @internal */ + public function handleEnd() + { + if ($this->position !== $this->size && $this->size !== null) { + $this->emit('error', array(new \UnderflowException('Unexpected end of response body after ' . $this->position . '/' . $this->size . ' bytes'))); + } else { + $this->emit('end'); + } + + $this->close(); + } +} |