whoami7 - Manager
:
/
home
/
papecmvm
/
public_html
/
application
/
third_party
/
aws
/
guzzlehttp
/
psr7
/
src
/
Upload File:
files >> //home/papecmvm/public_html/application/third_party/aws/guzzlehttp/psr7/src/CachingStream.php
<?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(); } }
Copyright ©2021 || Defacer Indonesia