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<?php |
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declare(strict_types=1); |
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namespace Nyholm\Psr7\Factory; |
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use Interop\Http\Factory\StreamFactoryInterface; |
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use Nyholm\Psr7\Stream; |
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use Psr\Http\Message\StreamInterface; |
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/** |
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* @author Tobias Nyholm <[email protected]> |
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*/ |
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class StreamFactory implements \Http\Message\StreamFactory, StreamFactoryInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createStream($body = null) |
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{ |
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if ($body instanceof StreamInterface) { |
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return $body; |
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} |
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if (gettype($body) === 'resource') { |
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return Stream::createFromResource($body); |
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} |
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return Stream::create($body === null ? '' : $body); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createStreamFromFile($file, $mode = 'r') |
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{ |
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$resource = fopen($file, $mode); |
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return Stream::createFromResource($resource); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createStreamFromResource($resource) |
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{ |
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return Stream::createFromResource($resource); |
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} |
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/** |
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* Copy the contents of a stream into another stream until the given number |
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* of bytes have been read. |
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* |
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* @author Michael Dowling and contributors to guzzlehttp/psr7 |
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* |
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* @param StreamInterface $source Stream to read from |
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* @param StreamInterface $dest Stream to write to |
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* @param int $maxLen Maximum number of bytes to read. Pass -1 |
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* to read the entire stream |
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* |
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* @throws \RuntimeException on error |
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*/ |
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public function copyToStream(StreamInterface $source, StreamInterface $dest, $maxLen = -1) |
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{ |
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if ($maxLen === -1) { |
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while (!$source->eof()) { |
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if (!$dest->write($source->read(1048576))) { |
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break; |
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} |
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} |
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return; |
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} |
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$bytes = 0; |
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while (!$source->eof()) { |
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$buf = $source->read($maxLen - $bytes); |
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if (!($len = strlen($buf))) { |
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break; |
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} |
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$bytes += $len; |
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$dest->write($buf); |
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if ($bytes == $maxLen) { |
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break; |
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} |
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} |
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} |
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} |
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Nyholm /
psr7
