diff options
Diffstat (limited to 'assets/php/vendor/guzzlehttp/psr7/src/AppendStream.php')
-rwxr-xr-x | assets/php/vendor/guzzlehttp/psr7/src/AppendStream.php | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/assets/php/vendor/guzzlehttp/psr7/src/AppendStream.php b/assets/php/vendor/guzzlehttp/psr7/src/AppendStream.php deleted file mode 100755 index 23039fd..0000000 --- a/assets/php/vendor/guzzlehttp/psr7/src/AppendStream.php +++ /dev/null @@ -1,233 +0,0 @@ -<?php -namespace GuzzleHttp\Psr7; - -use Psr\Http\Message\StreamInterface; - -/** - * Reads from multiple streams, one after the other. - * - * This is a read-only stream decorator. - */ -class AppendStream implements StreamInterface -{ - /** @var StreamInterface[] Streams being decorated */ - private $streams = []; - - private $seekable = true; - private $current = 0; - private $pos = 0; - private $detached = false; - - /** - * @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() - { - try { - $this->rewind(); - return $this->getContents(); - } catch (\Exception $e) { - 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 $stream) - { - if (!$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[] = $stream; - } - - public function getContents() - { - return copy_to_string($this); - } - - /** - * Closes each attached stream. - * - * {@inheritdoc} - */ - public function close() - { - $this->pos = $this->current = 0; - - foreach ($this->streams as $stream) { - $stream->close(); - } - - $this->streams = []; - } - - /** - * Detaches each attached stream - * - * {@inheritdoc} - */ - public function detach() - { - $this->close(); - $this->detached = true; - } - - public function tell() - { - 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. - * - * {@inheritdoc} - */ - public function getSize() - { - $size = 0; - - foreach ($this->streams as $stream) { - $s = $stream->getSize(); - if ($s === null) { - return null; - } - $size += $s; - } - - return $size; - } - - public function eof() - { - return !$this->streams || - ($this->current >= count($this->streams) - 1 && - $this->streams[$this->current]->eof()); - } - - public function rewind() - { - $this->seek(0); - } - - /** - * Attempts to seek to the given position. Only supports SEEK_SET. - * - * {@inheritdoc} - */ - public function seek($offset, $whence = SEEK_SET) - { - if (!$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. - * - * {@inheritdoc} - */ - public function read($length) - { - $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($remaining); - - // Using a loose comparison here to match on '', false, and null - if ($result == null) { - $progressToNext = true; - continue; - } - - $buffer .= $result; - $remaining = $length - strlen($buffer); - } - - $this->pos += strlen($buffer); - - return $buffer; - } - - public function isReadable() - { - return true; - } - - public function isWritable() - { - return false; - } - - public function isSeekable() - { - return $this->seekable; - } - - public function write($string) - { - throw new \RuntimeException('Cannot write to an AppendStream'); - } - - public function getMetadata($key = null) - { - return $key ? null : []; - } -} |