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Directory >> /var/www/html/back/vendor/guzzlehttp/psr7/src/

File / Folder	Size	Action
.	-
Exception	--	ren
AppendStream.php	5.808KB	edt ren
BufferStream.php	3.141KB	edt ren
CachingStream.php	4.485KB	edt ren
DroppingStream.php	1.168KB	edt ren
FnStream.php	4.208KB	edt ren
Header.php	3.849KB	edt ren
HttpFactory.php	3.003KB	edt ren
InflateStream.php	1.382KB	edt ren
LazyOpenStream.php	1.063KB	edt ren
LimitStream.php	4.196KB	edt ren
Message.php	8.14KB	edt ren
MessageTrait.php	7.428KB	edt ren
MimeType.php	53.747KB	edt ren
MultipartStream.php	5.056KB	edt ren
NoSeekStream.php	0.512KB	edt ren
PumpStream.php	4.49KB	edt ren
Query.php	3.947KB	edt ren
Request.php	3.816KB	edt ren
Response.php	4.792KB	edt ren
Rfc7230.php	0.646KB	edt ren
ServerRequest.php	9.325KB	edt ren
Stream.php	7.213KB	edt ren
StreamDecoratorTrait.php	3.24KB	edt ren
StreamWrapper.php	4.532KB	edt ren
UploadedFile.php	4.979KB	edt ren
Uri.php	21.444KB	edt ren
UriComparator.php	1.123KB	edt ren
UriNormalizer.php	8.264KB	edt ren
UriResolver.php	8.378KB	edt ren
Utils.php	15.569KB	edt ren

<?php

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream decorator that can cache previously read bytes from a sequentially
 * read stream.
 */
final 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;

/**
     * @var StreamInterface
     */
    private $stream;

/**
     * We will treat the buffer object as the body of the stream
     *
     * @param StreamInterface $stream Stream to cache. The cursor is assumed to be at the beginning of the stream.
     * @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(Utils::tryFopen('php://temp', 'r+'));
    }

public function getSize(): ?int
    {
        $remoteSize = $this->remoteStream->getSize();

if (null === $remoteSize) {
            return null;
        }

return max($this->stream->getSize(), $remoteSize);
    }

public function rewind(): void
    {
        $this->seek(0);
    }

public function seek($offset, $whence = SEEK_SET): void
    {
        if ($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): string
    {
        // 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): int
    {
        // 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(): bool
    {
        return $this->stream->eof() && $this->remoteStream->eof();
    }

/**
     * Close both the remote stream and buffer stream
     */
    public function close(): void
    {
        $this->remoteStream->close();
        $this->stream->close();
    }

private function cacheEntireStream(): int
    {
        $target = new FnStream(['write' => 'strlen']);
        Utils::copyToStream($this, $target);

return $this->tell();
    }
}