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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;

/**
 * Reads from multiple streams, one after the other.
 *
 * This is a read-only stream decorator.
 */
final class AppendStream implements StreamInterface
{
    /** @var StreamInterface[] Streams being decorated */
    private $streams = [];

/** @var bool */
    private $seekable = true;

/** @var int */
    private $current = 0;

/** @var int */
    private $pos = 0;

/**
     * @param StreamInterface[] $streams Streams to decorate. Each stream must
     *                                   be readable.
     */
    public function __construct(array $streams = [])
    {
        foreach ($streams as $stream) {
            $this->addStream($stream);
        }
    }

public function __toString(): string
    {
        try {
            $this->rewind();

return $this->getContents();
        } catch (\Throwable $e) {
            if (\PHP_VERSION_ID >= 70400) {
                throw $e;
            }
            trigger_error(sprintf('%s::__toString exception: %s', self::class, (string) $e), E_USER_ERROR);

return '';
        }
    }

/**
     * Add a stream to the AppendStream
     *
     * @param StreamInterface $stream Stream to append. Must be readable.
     *
     * @throws \InvalidArgumentException if the stream is not readable
     */
    public function addStream(StreamInterface $stream): void
    {
        if (!$stream->isReadable()) {
            throw new \InvalidArgumentException('Each stream must be readable');
        }

// The stream is only seekable if all streams are seekable
        if (!$stream->isSeekable()) {
            $this->seekable = false;
        }

$this->streams[] = $stream;
    }

public function getContents(): string
    {
        return Utils::copyToString($this);
    }

/**
     * Closes each attached stream.
     */
    public function close(): void
    {
        $this->pos = $this->current = 0;
        $this->seekable = true;

foreach ($this->streams as $stream) {
            $stream->close();
        }

$this->streams = [];
    }

/**
     * Detaches each attached stream.
     *
     * Returns null as it's not clear which underlying stream resource to return.
     */
    public function detach()
    {
        $this->pos = $this->current = 0;
        $this->seekable = true;

foreach ($this->streams as $stream) {
            $stream->detach();
        }

$this->streams = [];

return null;
    }

public function tell(): int
    {
        return $this->pos;
    }

/**
     * Tries to calculate the size by adding the size of each stream.
     *
     * If any of the streams do not return a valid number, then the size of the
     * append stream cannot be determined and null is returned.
     */
    public function getSize(): ?int
    {
        $size = 0;

foreach ($this->streams as $stream) {
            $s = $stream->getSize();
            if ($s === null) {
                return null;
            }
            $size += $s;
        }

return $size;
    }

public function eof(): bool
    {
        return !$this->streams
            || ($this->current >= count($this->streams) - 1
             && $this->streams[$this->current]->eof());
    }

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

/**
     * Attempts to seek to the given position. Only supports SEEK_SET.
     */
    public function seek($offset, $whence = SEEK_SET): void
    {
        if (!$this->seekable) {
            throw new \RuntimeException('This AppendStream is not seekable');
        } elseif ($whence !== SEEK_SET) {
            throw new \RuntimeException('The AppendStream can only seek with SEEK_SET');
        }

$this->pos = $this->current = 0;

// Rewind each stream
        foreach ($this->streams as $i => $stream) {
            try {
                $stream->rewind();
            } catch (\Exception $e) {
                throw new \RuntimeException('Unable to seek stream '
                    .$i.' of the AppendStream', 0, $e);
            }
        }

// Seek to the actual position by reading from each stream
        while ($this->pos < $offset && !$this->eof()) {
            $result = $this->read(min(8096, $offset - $this->pos));
            if ($result === '') {
                break;
            }
        }
    }

/**
     * Reads from all of the appended streams until the length is met or EOF.
     */
    public function read($length): string
    {
        $buffer = '';
        $total = count($this->streams) - 1;
        $remaining = $length;
        $progressToNext = false;

while ($remaining > 0) {
            // Progress to the next stream if needed.
            if ($progressToNext || $this->streams[$this->current]->eof()) {
                $progressToNext = false;
                if ($this->current === $total) {
                    break;
                }
                ++$this->current;
            }

$result = $this->streams[$this->current]->read($remaining);

if ($result === '') {
                $progressToNext = true;
                continue;
            }

$buffer .= $result;
            $remaining = $length - strlen($buffer);
        }

$this->pos += strlen($buffer);

return $buffer;
    }

public function isReadable(): bool
    {
        return true;
    }

public function isWritable(): bool
    {
        return false;
    }

public function isSeekable(): bool
    {
        return $this->seekable;
    }

public function write($string): int
    {
        throw new \RuntimeException('Cannot write to an AppendStream');
    }

/**
     * @return mixed
     */
    public function getMetadata($key = null)
    {
        return $key ? null : [];
    }
}