/**
* Create color profile object from filename.
*
* @param string $filename
*
* @throws RuntimeException
*
* @return $this
*/
public static function fromFilename($filename)
{
if (!file_exists($filename) || !is_file($filename) || !is_readable($filename)) {
throw new RuntimeException(sprintf('Filename %s is an invalid profile file or is not readable', $filename));
}
return new static(StreamUtils::create(StreamUtils::open($filename, 'r')));
}
/**
* Drains the stream into the "save_to" client option.
*
* @param resource $stream
* @param string|resource|StreamInterface $dest
*
* @return Stream
* @throws \RuntimeException when the save_to option is invalid.
*/
private function drain($stream, $dest)
{
if (is_resource($stream)) {
if (!is_resource($dest)) {
$stream = Stream::factory($stream);
} else {
stream_copy_to_stream($stream, $dest);
fclose($stream);
rewind($dest);
return $dest;
}
}
// Stream the response into the destination stream
$dest = is_string($dest) ? new Stream(Utils::open($dest, 'r+')) : Stream::factory($dest);
Utils::copyToStream($stream, $dest);
$dest->seek(0);
$stream->close();
return $dest;
}
/**
* @expectedException \RuntimeException
* @expectedExceptionMessage Unable to open /path/to/does/not/exist using mode r
*/
public function testThrowsExceptionNotWarning()
{
Utils::open('/path/to/does/not/exist', 'r');
}
/**
* Drain the stream into the destination stream
*/
private function getSaveToBody(RequestInterface $request, StreamInterface $stream)
{
if ($saveTo = $request->getConfig()['save_to']) {
// Stream the response into the destination stream
$saveTo = is_string($saveTo) ? new Stream(Utils::open($saveTo, 'r+')) : Stream::factory($saveTo);
} else {
// Stream into the default temp stream
$saveTo = Stream::factory();
}
Utils::copyToStream($stream, $saveTo);
$saveTo->seek(0);
$stream->close();
return $saveTo;
}
protected function getCreatePartFn()
{
return function ($seekable) {
$data = [];
$firstByte = $this->source->tell();
// Read from the source to create the body stream. This also
// calculates the linear and tree hashes as the data is read.
if ($seekable) {
// Case 1: Stream is seekable, can make stream from new handle.
$body = Utils::open($this->source->getMetadata('uri'), 'r');
$body = $this->limitPartStream(Stream::factory($body));
// Create another stream decorated with hashing streams and read
// through it, so we can get the hash values for the part.
$decoratedBody = $this->decorateWithHashes($body, $data);
while (!$decoratedBody->eof()) {
$decoratedBody->read(1048576);
}
// Seek the original source forward to the end of the range.
$this->source->seek($this->source->tell() + $body->getSize());
} else {
// Case 2: Stream is not seekable, must store part in temp stream.
$source = $this->limitPartStream($this->source);
$source = $this->decorateWithHashes($source, $data);
$body = Stream::factory();
Utils::copyToStream($source, $body);
}
$body->seek(0);
$data['body'] = $body;
$lastByte = $this->source->tell() - 1;
$data['range'] = "bytes {$firstByte}-{$lastByte}/*";
return $data;
};
}