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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;

/**
 * PHP stream implementation.
 */
class Stream implements StreamInterface
{
    /**
     * @see https://www.php.net/manual/en/function.fopen.php
     * @see https://www.php.net/manual/en/function.gzopen.php
     */
    private const READABLE_MODES = '/r|a\+|ab\+|w\+|wb\+|x\+|xb\+|c\+|cb\+/';
    private const WRITABLE_MODES = '/a|w|r\+|rb\+|rw|x|c/';

/** @var resource */
    private $stream;
    /** @var int|null */
    private $size;
    /** @var bool */
    private $seekable;
    /** @var bool */
    private $readable;
    /** @var bool */
    private $writable;
    /** @var string|null */
    private $uri;
    /** @var mixed[] */
    private $customMetadata;

/**
     * This constructor accepts an associative array of options.
     *
     * - size: (int) If a read stream would otherwise have an indeterminate
     *   size, but the size is known due to foreknowledge, then you can
     *   provide that size, in bytes.
     * - metadata: (array) Any additional metadata to return when the metadata
     *   of the stream is accessed.
     *
     * @param resource                            $stream  Stream resource to wrap.
     * @param array{size?: int, metadata?: array} $options Associative array of options.
     *
     * @throws \InvalidArgumentException if the stream is not a stream resource
     */
    public function __construct($stream, array $options = [])
    {
        if (!is_resource($stream)) {
            throw new \InvalidArgumentException('Stream must be a resource');
        }

if (isset($options['size'])) {
            $this->size = $options['size'];
        }

$this->customMetadata = $options['metadata'] ?? [];
        $this->stream = $stream;
        $meta = stream_get_meta_data($this->stream);
        $this->seekable = $meta['seekable'];
        $this->readable = (bool) preg_match(self::READABLE_MODES, $meta['mode']);
        $this->writable = (bool) preg_match(self::WRITABLE_MODES, $meta['mode']);
        $this->uri = $this->getMetadata('uri');
    }

/**
     * Closes the stream when the destructed
     */
    public function __destruct()
    {
        $this->close();
    }

public function __toString(): string
    {
        try {
            if ($this->isSeekable()) {
                $this->seek(0);
            }

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 '';
        }
    }

public function getContents(): string
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }

if (!$this->readable) {
            throw new \RuntimeException('Cannot read from non-readable stream');
        }

return Utils::tryGetContents($this->stream);
    }

public function close(): void
    {
        if (isset($this->stream)) {
            if (is_resource($this->stream)) {
                fclose($this->stream);
            }
            $this->detach();
        }
    }

public function detach()
    {
        if (!isset($this->stream)) {
            return null;
        }

$result = $this->stream;
        unset($this->stream);
        $this->size = $this->uri = null;
        $this->readable = $this->writable = $this->seekable = false;

return $result;
    }

public function getSize(): ?int
    {
        if ($this->size !== null) {
            return $this->size;
        }

if (!isset($this->stream)) {
            return null;
        }

// Clear the stat cache if the stream has a URI
        if ($this->uri) {
            clearstatcache(true, $this->uri);
        }

$stats = fstat($this->stream);
        if (is_array($stats) && isset($stats['size'])) {
            $this->size = $stats['size'];

return $this->size;
        }

return null;
    }

public function isReadable(): bool
    {
        return $this->readable;
    }

public function isWritable(): bool
    {
        return $this->writable;
    }

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

public function eof(): bool
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }

return feof($this->stream);
    }

public function tell(): int
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }

$result = ftell($this->stream);

if ($result === false) {
            throw new \RuntimeException('Unable to determine stream position');
        }

return $result;
    }

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

public function seek($offset, $whence = SEEK_SET): void
    {
        $whence = (int) $whence;

if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }
        if (!$this->seekable) {
            throw new \RuntimeException('Stream is not seekable');
        }
        if (fseek($this->stream, $offset, $whence) === -1) {
            throw new \RuntimeException('Unable to seek to stream position '
                .$offset.' with whence '.var_export($whence, true));
        }
    }

public function read($length): string
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }
        if (!$this->readable) {
            throw new \RuntimeException('Cannot read from non-readable stream');
        }
        if ($length < 0) {
            throw new \RuntimeException('Length parameter cannot be negative');
        }

if (0 === $length) {
            return '';
        }

try {
            $string = fread($this->stream, $length);
        } catch (\Exception $e) {
            throw new \RuntimeException('Unable to read from stream', 0, $e);
        }

if (false === $string) {
            throw new \RuntimeException('Unable to read from stream');
        }

return $string;
    }

public function write($string): int
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }
        if (!$this->writable) {
            throw new \RuntimeException('Cannot write to a non-writable stream');
        }

// We can't know the size after writing anything
        $this->size = null;
        $result = fwrite($this->stream, $string);

if ($result === false) {
            throw new \RuntimeException('Unable to write to stream');
        }

return $result;
    }

/**
     * @return mixed
     */
    public function getMetadata($key = null)
    {
        if (!isset($this->stream)) {
            return $key ? null : [];
        } elseif (!$key) {
            return $this->customMetadata + stream_get_meta_data($this->stream);
        } elseif (isset($this->customMetadata[$key])) {
            return $this->customMetadata[$key];
        }

$meta = stream_get_meta_data($this->stream);

return $meta[$key] ?? null;
    }
}

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