diff options
Diffstat (limited to 'assets/php/vendor/guzzlehttp/psr7/src/CachingStream.php')
-rwxr-xr-x | assets/php/vendor/guzzlehttp/psr7/src/CachingStream.php | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/assets/php/vendor/guzzlehttp/psr7/src/CachingStream.php b/assets/php/vendor/guzzlehttp/psr7/src/CachingStream.php deleted file mode 100755 index ed68f08..0000000 --- a/assets/php/vendor/guzzlehttp/psr7/src/CachingStream.php +++ /dev/null @@ -1,138 +0,0 @@ -<?php -namespace GuzzleHttp\Psr7; - -use Psr\Http\Message\StreamInterface; - -/** - * Stream decorator that can cache previously read bytes from a sequentially - * read stream. - */ -class CachingStream implements StreamInterface -{ - use StreamDecoratorTrait; - - /** @var StreamInterface Stream being wrapped */ - private $remoteStream; - - /** @var int Number of bytes to skip reading due to a write on the buffer */ - private $skipReadBytes = 0; - - /** - * We will treat the buffer object as the body of the stream - * - * @param StreamInterface $stream Stream to cache - * @param StreamInterface $target Optionally specify where data is cached - */ - public function __construct( - StreamInterface $stream, - StreamInterface $target = null - ) { - $this->remoteStream = $stream; - $this->stream = $target ?: new Stream(fopen('php://temp', 'r+')); - } - - public function getSize() - { - return max($this->stream->getSize(), $this->remoteStream->getSize()); - } - - public function rewind() - { - $this->seek(0); - } - - public function seek($offset, $whence = SEEK_SET) - { - if ($whence == SEEK_SET) { - $byte = $offset; - } elseif ($whence == SEEK_CUR) { - $byte = $offset + $this->tell(); - } elseif ($whence == SEEK_END) { - $size = $this->remoteStream->getSize(); - if ($size === null) { - $size = $this->cacheEntireStream(); - } - $byte = $size + $offset; - } else { - throw new \InvalidArgumentException('Invalid whence'); - } - - $diff = $byte - $this->stream->getSize(); - - if ($diff > 0) { - // Read the remoteStream until we have read in at least the amount - // of bytes requested, or we reach the end of the file. - while ($diff > 0 && !$this->remoteStream->eof()) { - $this->read($diff); - $diff = $byte - $this->stream->getSize(); - } - } else { - // We can just do a normal seek since we've already seen this byte. - $this->stream->seek($byte); - } - } - - public function read($length) - { - // Perform a regular read on any previously read data from the buffer - $data = $this->stream->read($length); - $remaining = $length - strlen($data); - - // More data was requested so read from the remote stream - if ($remaining) { - // If data was written to the buffer in a position that would have - // been filled from the remote stream, then we must skip bytes on - // the remote stream to emulate overwriting bytes from that - // position. This mimics the behavior of other PHP stream wrappers. - $remoteData = $this->remoteStream->read( - $remaining + $this->skipReadBytes - ); - - if ($this->skipReadBytes) { - $len = strlen($remoteData); - $remoteData = substr($remoteData, $this->skipReadBytes); - $this->skipReadBytes = max(0, $this->skipReadBytes - $len); - } - - $data .= $remoteData; - $this->stream->write($remoteData); - } - - return $data; - } - - public function write($string) - { - // When appending to the end of the currently read stream, you'll want - // to skip bytes from being read from the remote stream to emulate - // other stream wrappers. Basically replacing bytes of data of a fixed - // length. - $overflow = (strlen($string) + $this->tell()) - $this->remoteStream->tell(); - if ($overflow > 0) { - $this->skipReadBytes += $overflow; - } - - return $this->stream->write($string); - } - - public function eof() - { - return $this->stream->eof() && $this->remoteStream->eof(); - } - - /** - * Close both the remote stream and buffer stream - */ - public function close() - { - $this->remoteStream->close() && $this->stream->close(); - } - - private function cacheEntireStream() - { - $target = new FnStream(['write' => 'strlen']); - copy_to_stream($this, $target); - - return $this->tell(); - } -} |