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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;

/**
 * Decorator used to return only a subset of a stream.
 */
final class LimitStream implements StreamInterface
{
    use StreamDecoratorTrait;

/** @var int Offset to start reading from */
    private $offset;

/** @var int Limit the number of bytes that can be read */
    private $limit;

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

/**
     * @param StreamInterface $stream Stream to wrap
     * @param int             $limit  Total number of bytes to allow to be read
     *                                from the stream. Pass -1 for no limit.
     * @param int             $offset Position to seek to before reading (only
     *                                works on seekable streams).
     */
    public function __construct(
        StreamInterface $stream,
        int $limit = -1,
        int $offset = 0
    ) {
        $this->stream = $stream;
        $this->setLimit($limit);
        $this->setOffset($offset);
    }

public function eof(): bool
    {
        // Always return true if the underlying stream is EOF
        if ($this->stream->eof()) {
            return true;
        }

// No limit and the underlying stream is not at EOF
        if ($this->limit === -1) {
            return false;
        }

return $this->stream->tell() >= $this->offset + $this->limit;
    }

/**
     * Returns the size of the limited subset of data
     */
    public function getSize(): ?int
    {
        if (null === ($length = $this->stream->getSize())) {
            return null;
        } elseif ($this->limit === -1) {
            return $length - $this->offset;
        } else {
            return min($this->limit, $length - $this->offset);
        }
    }

/**
     * Allow for a bounded seek on the read limited stream
     */
    public function seek($offset, $whence = SEEK_SET): void
    {
        if ($whence !== SEEK_SET || $offset < 0) {
            throw new \RuntimeException(sprintf(
                'Cannot seek to offset %s with whence %s',
                $offset,
                $whence
            ));
        }

$offset += $this->offset;

if ($this->limit !== -1) {
            if ($offset > $this->offset + $this->limit) {
                $offset = $this->offset + $this->limit;
            }
        }

$this->stream->seek($offset);
    }

/**
     * Give a relative tell()
     */
    public function tell(): int
    {
        return $this->stream->tell() - $this->offset;
    }

/**
     * Set the offset to start limiting from
     *
     * @param int $offset Offset to seek to and begin byte limiting from
     *
     * @throws \RuntimeException if the stream cannot be seeked.
     */
    public function setOffset(int $offset): void
    {
        $current = $this->stream->tell();

if ($current !== $offset) {
            // If the stream cannot seek to the offset position, then read to it
            if ($this->stream->isSeekable()) {
                $this->stream->seek($offset);
            } elseif ($current > $offset) {
                throw new \RuntimeException("Could not seek to stream offset $offset");
            } else {
                $this->stream->read($offset - $current);
            }
        }

$this->offset = $offset;
    }

/**
     * Set the limit of bytes that the decorator allows to be read from the
     * stream.
     *
     * @param int $limit Number of bytes to allow to be read from the stream.
     *                   Use -1 for no limit.
     */
    public function setLimit(int $limit): void
    {
        $this->limit = $limit;
    }

public function read($length): string
    {
        if ($this->limit === -1) {
            return $this->stream->read($length);
        }

// Check if the current position is less than the total allowed
        // bytes + original offset
        $remaining = ($this->offset + $this->limit) - $this->stream->tell();
        if ($remaining > 0) {
            // Only return the amount of requested data, ensuring that the byte
            // limit is not exceeded
            return $this->stream->read(min($remaining, $length));
        }

return '';
    }
}

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