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<?php |
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/** |
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* This file is part of the rybakit/msgpack.php package. |
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* |
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* (c) Eugene Leonovich <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace MessagePack; |
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use Decimal\Decimal; |
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use MessagePack\Exception\InsufficientDataException; |
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use MessagePack\Exception\InvalidOptionException; |
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use MessagePack\Exception\UnpackingFailedException; |
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use MessagePack\TypeTransformer\Extension; |
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class BufferUnpacker |
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{ |
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private $buffer; |
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private $offset = 0; |
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private $isBigIntAsDec; |
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private $isBigIntAsGmp; |
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/** |
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* @var Extension[] |
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*/ |
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private $extensions = []; |
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/** |
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* @param UnpackOptions|int|null $options |
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* @param Extension[] $extensions |
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* |
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* @throws InvalidOptionException |
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*/ |
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320 |
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public function __construct(string $buffer = '', $options = null, array $extensions = []) |
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{ |
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320 |
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if (\is_null($options)) { |
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$options = UnpackOptions::fromDefaults(); |
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8 |
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} elseif (!$options instanceof UnpackOptions) { |
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8 |
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$options = UnpackOptions::fromBitmask($options); |
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} |
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320 |
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$this->isBigIntAsDec = $options->isBigIntAsDecMode(); |
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320 |
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$this->isBigIntAsGmp = $options->isBigIntAsGmpMode(); |
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320 |
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$this->buffer = $buffer; |
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320 |
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if ($extensions) { |
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1 |
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foreach ($extensions as $extension) { |
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1 |
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$this->extensions[$extension->getType()] = $extension; |
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} |
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} |
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320 |
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} |
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1 |
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public function extendWith(Extension $extension, Extension ...$extensions) : self |
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{ |
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1 |
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$new = clone $this; |
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1 |
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$new->extensions[$extension->getType()] = $extension; |
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1 |
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if ($extensions) { |
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1 |
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foreach ($extensions as $extraExtension) { |
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1 |
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$new->extensions[$extraExtension->getType()] = $extraExtension; |
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} |
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} |
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1 |
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return $new; |
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} |
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2 |
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public function withBuffer(string $buffer) : self |
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{ |
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2 |
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$new = clone $this; |
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2 |
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$new->buffer = $buffer; |
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2 |
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$new->offset = 0; |
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2 |
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return $new; |
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} |
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public function append(string $data) : self |
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{ |
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$this->buffer .= $data; |
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return $this; |
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} |
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public function reset(string $buffer = '') : self |
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{ |
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$this->buffer = $buffer; |
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293 |
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$this->offset = 0; |
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293 |
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return $this; |
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} |
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3 |
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public function seek(int $offset) : self |
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{ |
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3 |
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if ($offset < 0) { |
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1 |
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$offset += \strlen($this->buffer); |
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} |
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3 |
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if (!isset($this->buffer[$offset])) { |
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1 |
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throw new InsufficientDataException("Unable to seek to position $offset"); |
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} |
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2 |
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$this->offset = $offset; |
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2 |
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return $this; |
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} |
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2 |
View Code Duplication |
public function skip(int $length) : self |
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{ |
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2 |
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$offset = $this->offset + $length; |
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2 |
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if (!isset($this->buffer[$offset])) { |
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1 |
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throw new InsufficientDataException("Unable to seek to position $offset"); |
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} |
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1 |
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$this->offset = $offset; |
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1 |
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return $this; |
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} |
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2 |
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public function getRemainingCount() : int |
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{ |
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2 |
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return \strlen($this->buffer) - $this->offset; |
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} |
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public function hasRemaining() : bool |
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{ |
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return isset($this->buffer[$this->offset]); |
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} |
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1 |
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public function release() : int |
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{ |
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1 |
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if (0 === $this->offset) { |
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1 |
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return 0; |
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} |
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1 |
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$releasedBytesCount = $this->offset; |
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1 |
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$this->buffer = isset($this->buffer[$this->offset]) ? \substr($this->buffer, $this->offset) : ''; |
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1 |
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$this->offset = 0; |
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1 |
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return $releasedBytesCount; |
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} |
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/** |
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* @param int $length |
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* |
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* @return string |
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*/ |
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View Code Duplication |
public function read($length) |
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{ |
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if (!isset($this->buffer[$this->offset + $length - 1])) { |
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1 |
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throw new InsufficientDataException(); |
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} |
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$data = \substr($this->buffer, $this->offset, $length); |
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$this->offset += $length; |
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return $data; |
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} |
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3 |
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public function tryUnpack() : array |
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{ |
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$data = []; |
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3 |
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$offset = $this->offset; |
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try { |
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do { |
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3 |
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$data[] = $this->unpack(); |
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$offset = $this->offset; |
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3 |
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} while (isset($this->buffer[$this->offset])); |
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1 |
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} catch (InsufficientDataException $e) { |
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1 |
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$this->offset = $offset; |
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} |
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3 |
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return $data; |
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} |
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public function unpack() |
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{ |
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$buffer = &$this->buffer; |
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$offset = &$this->offset; |
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$stack = []; |
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$top = 0; |
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187 |
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begin: |
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if (!isset($buffer[$offset])) { |
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throw new InsufficientDataException(); |
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187 |
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} |
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29 |
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$c = \ord($buffer[$offset]); |
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++$offset; |
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175 |
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16 |
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// fixint |
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if ($c <= 0x7f) { |
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$value = $c; |
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169 |
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goto end; |
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5 |
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} |
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// fixstr |
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if ($c >= 0xa0 && $c <= 0xbf) { |
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165 |
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if ($c & 0x1f) { |
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$length = $c & 0x1f; |
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goto read; |
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} |
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151 |
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$value = ''; |
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150 |
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goto end; |
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117 |
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} |
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211
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116 |
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116 |
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// negfixint |
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116 |
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if ($c >= 0xe0) { |
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116 |
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$value = $c - 0x100; |
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116 |
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goto end; |
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116 |
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} |
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116 |
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116 |
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switch ($c) { |
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116 |
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case 0xc0: $value = null; goto end; |
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116 |
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case 0xc2: $value = false; goto end; |
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221
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116 |
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case 0xc3: $value = true; goto end; |
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222
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116 |
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223
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116 |
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// fixmap |
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case 0x80: $value = []; goto end; |
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225
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116 |
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case 0x81: $stack[++$top] = new Container(2 /* map key */, 1); goto begin; |
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226
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115 |
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case 0x82: $stack[++$top] = new Container(2 /* map key */, 2); goto begin; |
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227
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115 |
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case 0x83: $stack[++$top] = new Container(2 /* map key */, 3); goto begin; |
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228
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110 |
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case 0x84: $stack[++$top] = new Container(2 /* map key */, 4); goto begin; |
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229
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109 |
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case 0x85: $stack[++$top] = new Container(2 /* map key */, 5); goto begin; |
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230
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109 |
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case 0x86: $stack[++$top] = new Container(2 /* map key */, 6); goto begin; |
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231
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109 |
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case 0x87: $stack[++$top] = new Container(2 /* map key */, 7); goto begin; |
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232
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109 |
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case 0x88: $stack[++$top] = new Container(2 /* map key */, 8); goto begin; |
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233
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109 |
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case 0x89: $stack[++$top] = new Container(2 /* map key */, 9); goto begin; |
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234
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109 |
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case 0x8a: $stack[++$top] = new Container(2 /* map key */, 10); goto begin; |
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235
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109 |
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case 0x8b: $stack[++$top] = new Container(2 /* map key */, 11); goto begin; |
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236
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109 |
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case 0x8c: $stack[++$top] = new Container(2 /* map key */, 12); goto begin; |
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237
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109 |
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case 0x8d: $stack[++$top] = new Container(2 /* map key */, 13); goto begin; |
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238
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109 |
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case 0x8e: $stack[++$top] = new Container(2 /* map key */, 14); goto begin; |
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239
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109 |
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case 0x8f: $stack[++$top] = new Container(2 /* map key */, 15); goto begin; |
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240
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109 |
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241
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// fixarray |
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242
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109 |
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case 0x90: $value = []; goto end; |
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243
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104 |
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case 0x91: $stack[++$top] = new Container(1 /* array item */, 1); goto begin; |
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244
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103 |
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case 0x92: $stack[++$top] = new Container(1 /* array item */, 2); goto begin; |
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245
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case 0x93: $stack[++$top] = new Container(1 /* array item */, 3); goto begin; |
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246
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102 |
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case 0x94: $stack[++$top] = new Container(1 /* array item */, 4); goto begin; |
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247
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99 |
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case 0x95: $stack[++$top] = new Container(1 /* array item */, 5); goto begin; |
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248
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case 0x96: $stack[++$top] = new Container(1 /* array item */, 6); goto begin; |
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249
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95 |
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case 0x97: $stack[++$top] = new Container(1 /* array item */, 7); goto begin; |
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250
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91 |
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case 0x98: $stack[++$top] = new Container(1 /* array item */, 8); goto begin; |
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251
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85 |
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case 0x99: $stack[++$top] = new Container(1 /* array item */, 9); goto begin; |
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252
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81 |
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case 0x9a: $stack[++$top] = new Container(1 /* array item */, 10); goto begin; |
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253
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case 0x9b: $stack[++$top] = new Container(1 /* array item */, 11); goto begin; |
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254
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71 |
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case 0x9c: $stack[++$top] = new Container(1 /* array item */, 12); goto begin; |
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255
|
66 |
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case 0x9d: $stack[++$top] = new Container(1 /* array item */, 13); goto begin; |
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256
|
61 |
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case 0x9e: $stack[++$top] = new Container(1 /* array item */, 14); goto begin; |
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257
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56 |
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case 0x9f: $stack[++$top] = new Container(1 /* array item */, 15); goto begin; |
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258
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259
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48 |
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// bin |
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260
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44 |
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case 0xc4: $length = self::unpackUint8($buffer, $offset); goto read; |
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261
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42 |
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case 0xc5: $length = self::unpackUint16($buffer, $offset); goto read; |
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262
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case 0xc6: $length = self::unpackUint32($buffer, $offset); goto read; |
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263
|
41 |
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264
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39 |
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// float |
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265
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case 0xca: $value = self::unpackFloat32($buffer, $offset); goto end; |
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266
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38 |
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case 0xcb: $value = self::unpackFloat64($buffer, $offset); goto end; |
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267
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36 |
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268
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// uint |
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269
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35 |
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case 0xcc: $value = self::unpackUint8($buffer, $offset); goto end; |
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270
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30 |
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case 0xcd: $value = self::unpackUint16($buffer, $offset); goto end; |
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271
|
27 |
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case 0xce: $value = self::unpackUint32($buffer, $offset); goto end; |
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272
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24 |
|
case 0xcf: $value = $this->unpackUint64(); goto end; |
|
273
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21 |
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274
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18 |
|
// int |
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275
|
11 |
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case 0xd0: $value = self::unpackInt8($buffer, $offset); goto end; |
|
276
|
6 |
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case 0xd1: $value = self::unpackInt16($buffer, $offset); goto end; |
|
277
|
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case 0xd2: $value = self::unpackInt32($buffer, $offset); goto end; |
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278
|
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|
case 0xd3: $value = self::unpackInt64($buffer, $offset); goto end; |
|
279
|
1 |
|
|
|
280
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|
|
// str |
|
281
|
|
|
case 0xd9: $length = self::unpackUint8($buffer, $offset); goto read; |
|
282
|
3 |
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case 0xda: $length = self::unpackUint16($buffer, $offset); goto read; |
|
283
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case 0xdb: $length = self::unpackUint32($buffer, $offset); goto read; |
|
284
|
3 |
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|
|
285
|
1 |
|
// array |
|
286
|
|
|
case 0xdc: $stack[++$top] = new Container(1 /* array item */, self::unpackUint16($buffer, $offset)); goto begin; |
|
287
|
|
|
case 0xdd: $stack[++$top] = new Container(1 /* array item */, self::unpackUint32($buffer, $offset)); goto begin; |
|
288
|
2 |
|
|
|
289
|
1 |
|
// map |
|
290
|
|
|
case 0xde: $stack[++$top] = new Container(2 /* map key */, self::unpackUint16($buffer, $offset)); goto begin; |
|
291
|
1 |
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case 0xdf: $stack[++$top] = new Container(2 /* map key */, self::unpackUint32($buffer, $offset)); goto begin; |
|
292
|
|
|
|
|
293
|
|
|
// ext |
|
294
|
1 |
|
case 0xd4: $value = $this->unpackExtData(1); goto end; |
|
295
|
|
|
case 0xd5: $value = $this->unpackExtData(2); goto end; |
|
296
|
|
|
case 0xd6: $value = $this->unpackExtData(4); goto end; |
|
297
|
5 |
|
case 0xd7: $value = $this->unpackExtData(8); goto end; |
|
298
|
|
|
case 0xd8: $value = $this->unpackExtData(16); goto end; |
|
299
|
5 |
|
case 0xc7: $value = $this->unpackExtData(self::unpackUint8($buffer, $offset)); goto end; |
|
300
|
1 |
|
case 0xc8: $value = $this->unpackExtData(self::unpackUint16($buffer, $offset)); goto end; |
|
301
|
|
|
case 0xc9: $value = $this->unpackExtData(self::unpackUint32($buffer, $offset)); goto end; |
|
302
|
|
|
} |
|
303
|
4 |
|
|
|
304
|
4 |
|
throw UnpackingFailedException::unknownCode($c); |
|
305
|
|
|
|
|
306
|
4 |
|
read: |
|
307
|
2 |
|
if (!isset($buffer[$offset + $length - 1])) { |
|
308
|
|
|
throw new InsufficientDataException(); |
|
309
|
2 |
|
} |
|
310
|
1 |
|
|
|
311
|
|
|
$value = \substr($buffer, $offset, $length); |
|
312
|
|
|
$offset += $length; |
|
313
|
1 |
|
|
|
314
|
|
|
end: |
|
315
|
|
|
while ($stack) { |
|
|
|
|
|
|
316
|
40 |
|
/** @var Container $state */ |
|
317
|
|
|
$state = $stack[$top]; |
|
318
|
40 |
|
if ($state->type === 1 /* array item */) { |
|
319
|
1 |
|
$state->value[] = $value; |
|
320
|
|
|
++$state->count; |
|
321
|
|
|
} else if ($state->type === 2 /* map key */) { |
|
322
|
39 |
|
$state->type = 3 /* map value */; |
|
323
|
39 |
|
$state->key = $value; |
|
324
|
|
|
goto begin; |
|
325
|
|
|
} else if ($state->type === 3 /* map value */) { |
|
326
|
39 |
|
$state->type = 2 /* map key */; |
|
327
|
3 |
|
$state->value[$state->key] = $value; |
|
328
|
|
|
++$state->count; |
|
329
|
|
|
} |
|
330
|
36 |
|
|
|
331
|
3 |
|
if ($state->size !== $state->count) { |
|
332
|
|
|
goto begin; |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
unset($stack[$top]); |
|
336
|
33 |
|
--$top; |
|
337
|
30 |
|
$value = $state->value; |
|
338
|
27 |
|
} |
|
339
|
24 |
|
|
|
340
|
|
|
return $value; |
|
341
|
20 |
|
} |
|
342
|
16 |
|
|
|
343
|
12 |
|
public function unpackNil() |
|
344
|
8 |
|
{ |
|
345
|
|
|
$buffer = &$this->buffer; |
|
346
|
|
|
$offset = &$this->offset; |
|
347
|
1 |
|
|
|
348
|
|
|
if (!isset($buffer[$offset])) { |
|
349
|
|
|
throw new InsufficientDataException(); |
|
350
|
7 |
|
} |
|
351
|
|
|
|
|
352
|
7 |
|
if ("\xc0" === $buffer[$offset]) { |
|
353
|
1 |
|
++$offset; |
|
354
|
|
|
|
|
355
|
|
|
return null; |
|
356
|
6 |
|
} |
|
357
|
6 |
|
|
|
358
|
|
|
throw UnpackingFailedException::unexpectedCode(\ord($buffer[$offset++]), 'nil'); |
|
359
|
6 |
|
} |
|
360
|
3 |
|
|
|
361
|
|
|
public function unpackBool() |
|
362
|
3 |
|
{ |
|
363
|
2 |
|
$buffer = &$this->buffer; |
|
364
|
|
|
$offset = &$this->offset; |
|
365
|
|
|
|
|
366
|
1 |
|
if (!isset($buffer[$offset])) { |
|
367
|
|
|
throw new InsufficientDataException(); |
|
368
|
|
|
} |
|
369
|
14 |
|
|
|
370
|
|
|
$c = \ord($buffer[$offset]); |
|
371
|
14 |
|
++$offset; |
|
372
|
1 |
|
|
|
373
|
|
|
if (0xc2 === $c) { |
|
374
|
|
|
return false; |
|
375
|
13 |
|
} |
|
376
|
13 |
|
if (0xc3 === $c) { |
|
377
|
|
|
return true; |
|
378
|
13 |
|
} |
|
379
|
5 |
|
|
|
380
|
|
|
throw UnpackingFailedException::unexpectedCode($c, 'bool'); |
|
381
|
8 |
|
} |
|
382
|
4 |
|
|
|
383
|
|
|
public function unpackInt() |
|
384
|
4 |
|
{ |
|
385
|
2 |
|
$buffer = &$this->buffer; |
|
386
|
|
|
$offset = &$this->offset; |
|
387
|
2 |
|
|
|
388
|
1 |
|
if (!isset($buffer[$offset])) { |
|
389
|
|
|
throw new InsufficientDataException(); |
|
390
|
|
|
} |
|
391
|
1 |
|
|
|
392
|
|
|
$c = \ord($buffer[$offset]); |
|
393
|
|
|
++$offset; |
|
394
|
7 |
|
|
|
395
|
|
|
// fixint |
|
396
|
7 |
|
if ($c <= 0x7f) { |
|
397
|
1 |
|
return $c; |
|
398
|
|
|
} |
|
399
|
|
|
// negfixint |
|
400
|
6 |
|
if ($c >= 0xe0) { |
|
401
|
6 |
|
return $c - 0x100; |
|
402
|
|
|
} |
|
403
|
6 |
|
|
|
404
|
3 |
|
switch ($c) { |
|
405
|
|
|
// uint |
|
406
|
3 |
|
case 0xcc: return self::unpackUint8($buffer, $offset); |
|
407
|
1 |
|
case 0xcd: return self::unpackUint16($buffer, $offset); |
|
408
|
|
|
case 0xce: return self::unpackUint32($buffer, $offset); |
|
409
|
2 |
|
case 0xcf: return $this->unpackUint64(); |
|
410
|
1 |
|
// int |
|
411
|
|
|
case 0xd0: return self::unpackInt8($buffer, $offset); |
|
412
|
|
|
case 0xd1: return self::unpackInt16($buffer, $offset); |
|
413
|
1 |
|
case 0xd2: return self::unpackInt32($buffer, $offset); |
|
414
|
|
|
case 0xd3: return self::unpackInt64($buffer, $offset); |
|
415
|
|
|
} |
|
416
|
9 |
|
|
|
417
|
|
|
throw UnpackingFailedException::unexpectedCode($c, 'int'); |
|
418
|
9 |
|
} |
|
419
|
|
|
|
|
420
|
7 |
|
public function unpackFloat() |
|
421
|
7 |
|
{ |
|
422
|
6 |
|
$buffer = &$this->buffer; |
|
423
|
|
|
$offset = &$this->offset; |
|
424
|
|
|
|
|
425
|
7 |
|
if (!isset($buffer[$offset])) { |
|
426
|
|
|
throw new InsufficientDataException(); |
|
427
|
|
|
} |
|
428
|
9 |
|
|
|
429
|
|
|
$c = \ord($buffer[$offset]); |
|
430
|
9 |
|
++$offset; |
|
431
|
1 |
|
|
|
432
|
|
|
if (0xcb === $c) { |
|
433
|
|
|
return self::unpackFloat64($buffer, $offset); |
|
434
|
8 |
|
} |
|
435
|
8 |
|
if (0xca === $c) { |
|
436
|
|
|
return self::unpackFloat32($buffer, $offset); |
|
437
|
8 |
|
} |
|
438
|
4 |
|
|
|
439
|
|
|
throw UnpackingFailedException::unexpectedCode($c, 'float'); |
|
440
|
4 |
|
} |
|
441
|
2 |
|
|
|
442
|
|
|
public function unpackStr() |
|
443
|
2 |
|
{ |
|
444
|
1 |
|
$buffer = &$this->buffer; |
|
445
|
|
|
$offset = &$this->offset; |
|
446
|
|
|
|
|
447
|
1 |
|
if (!isset($buffer[$offset])) { |
|
448
|
|
|
throw new InsufficientDataException(); |
|
449
|
|
|
} |
|
450
|
43 |
|
|
|
451
|
|
|
$c = \ord($buffer[$offset]); |
|
452
|
43 |
|
++$offset; |
|
453
|
|
|
|
|
454
|
41 |
|
if ($c >= 0xa0 && $c <= 0xbf) { |
|
455
|
41 |
|
return ($c & 0x1f) ? $this->read($c & 0x1f) : ''; |
|
456
|
40 |
|
} |
|
457
|
|
|
if (0xd9 === $c) { |
|
458
|
|
|
return $this->read(self::unpackUint8($buffer, $offset)); |
|
459
|
9 |
|
} |
|
460
|
|
|
if (0xda === $c) { |
|
461
|
|
|
return $this->read(self::unpackUint16($buffer, $offset)); |
|
462
|
43 |
|
} |
|
463
|
|
|
if (0xdb === $c) { |
|
464
|
43 |
|
return $this->read(self::unpackUint32($buffer, $offset)); |
|
465
|
1 |
|
} |
|
466
|
|
|
|
|
467
|
|
|
throw UnpackingFailedException::unexpectedCode($c, 'str'); |
|
468
|
42 |
|
} |
|
469
|
42 |
|
|
|
470
|
|
|
public function unpackBin() |
|
471
|
42 |
|
{ |
|
472
|
38 |
|
$buffer = &$this->buffer; |
|
473
|
|
|
$offset = &$this->offset; |
|
474
|
4 |
|
|
|
475
|
2 |
|
if (!isset($buffer[$offset])) { |
|
476
|
|
|
throw new InsufficientDataException(); |
|
477
|
2 |
|
} |
|
478
|
1 |
|
|
|
479
|
|
|
$c = \ord($buffer[$offset]); |
|
480
|
|
|
++$offset; |
|
481
|
1 |
|
|
|
482
|
|
|
if (0xc4 === $c) { |
|
483
|
|
|
return $this->read(self::unpackUint8($buffer, $offset)); |
|
484
|
13 |
|
} |
|
485
|
|
|
if (0xc5 === $c) { |
|
486
|
13 |
|
return $this->read(self::unpackUint16($buffer, $offset)); |
|
487
|
1 |
|
} |
|
488
|
|
|
if (0xc6 === $c) { |
|
489
|
|
|
return $this->read(self::unpackUint32($buffer, $offset)); |
|
490
|
12 |
|
} |
|
491
|
12 |
|
|
|
492
|
|
|
throw UnpackingFailedException::unexpectedCode($c, 'bin'); |
|
493
|
|
|
} |
|
494
|
12 |
|
|
|
495
|
11 |
|
public function unpackArray() |
|
496
|
10 |
|
{ |
|
497
|
9 |
|
$size = $this->unpackArrayHeader(); |
|
498
|
8 |
|
|
|
499
|
7 |
|
$array = []; |
|
500
|
5 |
|
while ($size--) { |
|
501
|
3 |
|
$array[] = $this->unpack(); |
|
502
|
|
|
} |
|
503
|
|
|
|
|
504
|
1 |
|
return $array; |
|
505
|
|
|
} |
|
506
|
|
|
|
|
507
|
38 |
View Code Duplication |
public function unpackArrayHeader() |
|
|
|
|
|
|
508
|
|
|
{ |
|
509
|
38 |
|
$buffer = &$this->buffer; |
|
510
|
2 |
|
$offset = &$this->offset; |
|
511
|
|
|
|
|
512
|
|
|
if (!isset($buffer[$offset])) { |
|
513
|
36 |
|
throw new InsufficientDataException(); |
|
514
|
|
|
} |
|
515
|
|
|
|
|
516
|
32 |
|
$c = \ord($buffer[$offset]); |
|
517
|
|
|
++$offset; |
|
518
|
32 |
|
|
|
519
|
2 |
|
if ($c >= 0x90 && $c <= 0x9f) { |
|
520
|
|
|
return $c & 0xf; |
|
521
|
|
|
} |
|
522
|
30 |
|
if (0xdc === $c) { |
|
523
|
30 |
|
return self::unpackUint16($buffer, $offset); |
|
524
|
|
|
} |
|
525
|
|
|
if (0xdd === $c) { |
|
526
|
24 |
|
return self::unpackUint32($buffer, $offset); |
|
527
|
|
|
} |
|
528
|
24 |
|
|
|
529
|
2 |
|
throw UnpackingFailedException::unexpectedCode($c, 'array'); |
|
530
|
|
|
} |
|
531
|
|
|
|
|
532
|
22 |
|
public function unpackMap() |
|
533
|
22 |
|
{ |
|
534
|
22 |
|
$size = $this->unpackMapHeader(); |
|
535
|
22 |
|
|
|
536
|
|
|
$map = []; |
|
537
|
|
|
while ($size--) { |
|
538
|
16 |
|
//$map[$this->unpackMapKey()] = $this->unpack(); |
|
539
|
|
|
$map[$this->unpack()] = $this->unpack(); |
|
540
|
16 |
|
} |
|
541
|
1 |
|
|
|
542
|
|
|
return $map; |
|
543
|
|
|
} |
|
544
|
15 |
|
|
|
545
|
15 |
View Code Duplication |
public function unpackMapHeader() |
|
|
|
|
|
|
546
|
|
|
{ |
|
547
|
15 |
|
$buffer = &$this->buffer; |
|
548
|
10 |
|
$offset = &$this->offset; |
|
549
|
|
|
|
|
550
|
5 |
|
if (!isset($buffer[$offset])) { |
|
551
|
1 |
|
throw new InsufficientDataException(); |
|
552
|
|
|
} |
|
553
|
4 |
|
|
|
554
|
1 |
|
$c = \ord($buffer[$offset]); |
|
555
|
|
|
++$offset; |
|
556
|
|
|
|
|
557
|
3 |
|
if ($c >= 0x80 && $c <= 0x8f) { |
|
558
|
|
|
return $c & 0xf; |
|
559
|
|
|
} |
|
560
|
9 |
|
if (0xde === $c) { |
|
561
|
|
|
return self::unpackUint16($buffer, $offset); |
|
562
|
9 |
|
} |
|
563
|
1 |
|
if (0xdf === $c) { |
|
564
|
|
|
return self::unpackUint32($buffer, $offset); |
|
565
|
|
|
} |
|
566
|
8 |
|
|
|
567
|
8 |
|
throw UnpackingFailedException::unexpectedCode($c, 'map'); |
|
568
|
|
|
} |
|
569
|
8 |
|
|
|
570
|
|
|
public function unpackExt() |
|
571
|
|
|
{ |
|
572
|
9 |
|
$buffer = &$this->buffer; |
|
573
|
|
|
$offset = &$this->offset; |
|
574
|
9 |
|
|
|
575
|
1 |
|
if (!isset($buffer[$offset])) { |
|
576
|
|
|
throw new InsufficientDataException(); |
|
577
|
|
|
} |
|
578
|
8 |
|
|
|
579
|
8 |
|
$c = \ord($buffer[$offset]); |
|
580
|
8 |
|
++$offset; |
|
581
|
|
|
|
|
582
|
8 |
|
switch ($c) { |
|
583
|
|
|
case 0xd4: return $this->unpackExtData(1); |
|
584
|
|
|
case 0xd5: return $this->unpackExtData(2); |
|
585
|
9 |
|
case 0xd6: return $this->unpackExtData(4); |
|
586
|
|
|
case 0xd7: return $this->unpackExtData(8); |
|
587
|
9 |
|
case 0xd8: return $this->unpackExtData(16); |
|
588
|
1 |
|
case 0xc7: return $this->unpackExtData(self::unpackUint8($buffer, $offset)); |
|
589
|
|
|
case 0xc8: return $this->unpackExtData(self::unpackUint16($buffer, $offset)); |
|
590
|
|
|
case 0xc9: return $this->unpackExtData(self::unpackUint32($buffer, $offset)); |
|
591
|
8 |
|
} |
|
592
|
8 |
|
|
|
593
|
8 |
|
throw UnpackingFailedException::unexpectedCode($c, 'ext'); |
|
594
|
8 |
|
} |
|
595
|
8 |
|
|
|
596
|
|
|
private static function unpackUint8($buffer, &$offset) |
|
597
|
8 |
|
{ |
|
598
|
|
|
if (!isset($buffer[$offset])) { |
|
599
|
|
|
throw new InsufficientDataException(); |
|
600
|
15 |
|
} |
|
601
|
|
|
|
|
602
|
15 |
|
return \ord($buffer[$offset++]); |
|
603
|
1 |
|
} |
|
604
|
|
|
|
|
605
|
|
|
private static function unpackUint16($buffer, &$offset) |
|
606
|
14 |
|
{ |
|
607
|
14 |
|
if (!isset($buffer[$offset + 1])) { |
|
608
|
|
|
throw new InsufficientDataException(); |
|
609
|
14 |
|
} |
|
610
|
|
|
|
|
611
|
|
|
return \ord($buffer[$offset++]) << 8 |
|
612
|
5 |
|
| \ord($buffer[$offset++]); |
|
613
|
|
|
} |
|
614
|
5 |
|
|
|
615
|
1 |
|
private static function unpackUint32($buffer, &$offset) |
|
616
|
|
|
{ |
|
617
|
|
|
if (!isset($buffer[$offset + 3])) { |
|
618
|
4 |
|
throw new InsufficientDataException(); |
|
619
|
4 |
|
} |
|
620
|
|
|
|
|
621
|
4 |
|
return \ord($buffer[$offset++]) << 24 |
|
622
|
|
|
| \ord($buffer[$offset++]) << 16 |
|
623
|
|
|
| \ord($buffer[$offset++]) << 8 |
|
624
|
7 |
|
| \ord($buffer[$offset++]); |
|
625
|
|
|
} |
|
626
|
7 |
|
|
|
627
|
1 |
|
private function unpackUint64() |
|
628
|
|
|
{ |
|
629
|
|
|
$buffer = &$this->buffer; |
|
630
|
6 |
|
$offset = &$this->offset; |
|
631
|
6 |
|
|
|
632
|
|
|
if (!isset($buffer[$offset + 7])) { |
|
633
|
6 |
|
throw new InsufficientDataException(); |
|
634
|
|
|
} |
|
635
|
|
|
|
|
636
|
4 |
|
$num = \unpack('J', $buffer, $offset)[1]; |
|
637
|
|
|
$offset += 8; |
|
638
|
4 |
|
|
|
639
|
4 |
|
if ($num >= 0) { |
|
640
|
4 |
|
return $num; |
|
641
|
|
|
} |
|
642
|
|
|
if ($this->isBigIntAsDec) { |
|
643
|
4 |
|
return new Decimal(\sprintf('%u', $num)); |
|
644
|
|
|
} |
|
645
|
|
|
if ($this->isBigIntAsGmp) { |
|
646
|
5 |
|
return \gmp_import(\substr($buffer, $offset - 8, 8)); |
|
647
|
|
|
} |
|
648
|
5 |
|
|
|
649
|
5 |
|
return \sprintf('%u', $num); |
|
650
|
5 |
|
} |
|
651
|
|
|
|
|
652
|
|
|
private static function unpackInt8($buffer, &$offset) |
|
653
|
5 |
|
{ |
|
654
|
|
|
if (!isset($buffer[$offset])) { |
|
655
|
|
|
throw new InsufficientDataException(); |
|
656
|
82 |
|
} |
|
657
|
|
|
|
|
658
|
82 |
|
$num = \ord($buffer[$offset]); |
|
659
|
|
|
++$offset; |
|
660
|
|
|
|
|
661
|
|
|
return $num > 0x7f ? $num - 0x100 : $num; |
|
662
|
82 |
|
} |
|
663
|
82 |
|
|
|
664
|
|
|
private static function unpackInt16($buffer, &$offset) |
|
665
|
|
|
{ |
|
666
|
82 |
|
if (!isset($buffer[$offset + 1])) { |
|
667
|
14 |
|
throw new InsufficientDataException(); |
|
668
|
|
|
} |
|
669
|
|
|
|
|
670
|
76 |
|
$num = \ord($buffer[$offset]) << 8 |
|
671
|
2 |
|
| \ord($buffer[++$offset]); |
|
672
|
|
|
++$offset; |
|
673
|
|
|
|
|
674
|
74 |
|
return $num > 0x7fff ? $num - 0x10000 : $num; |
|
675
|
2 |
|
} |
|
676
|
|
|
|
|
677
|
|
|
private static function unpackInt32($buffer, &$offset) |
|
678
|
|
|
{ |
|
679
|
|
|
if (!isset($buffer[$offset + 3])) { |
|
680
|
72 |
|
throw new InsufficientDataException(); |
|
681
|
72 |
|
} |
|
682
|
70 |
|
|
|
683
|
68 |
|
$num = \ord($buffer[$offset]) << 24 |
|
684
|
|
|
| \ord($buffer[++$offset]) << 16 |
|
685
|
66 |
|
| \ord($buffer[++$offset]) << 8 |
|
686
|
66 |
|
| \ord($buffer[++$offset]); |
|
687
|
66 |
|
++$offset; |
|
688
|
66 |
|
|
|
689
|
|
|
return $num > 0x7fffffff ? $num - 0x100000000 : $num; |
|
690
|
66 |
|
} |
|
691
|
66 |
|
|
|
692
|
66 |
View Code Duplication |
private static function unpackInt64($buffer, &$offset) |
|
|
|
|
|
|
693
|
|
|
{ |
|
694
|
66 |
|
if (!isset($buffer[$offset + 7])) { |
|
695
|
64 |
|
throw new InsufficientDataException(); |
|
696
|
64 |
|
} |
|
697
|
|
|
|
|
698
|
|
|
$num = \unpack('J', $buffer, $offset)[1]; |
|
699
|
64 |
|
$offset += 8; |
|
700
|
|
|
|
|
701
|
|
|
return $num; |
|
702
|
42 |
|
} |
|
703
|
|
|
|
|
704
|
42 |
View Code Duplication |
private static function unpackFloat32($buffer, &$offset) |
|
|
|
|
|
|
705
|
16 |
|
{ |
|
706
|
|
|
if (!isset($buffer[$offset + 3])) { |
|
707
|
|
|
throw new InsufficientDataException(); |
|
708
|
|
|
} |
|
709
|
26 |
|
|
|
710
|
26 |
|
$num = \unpack('G', $buffer, $offset)[1]; |
|
711
|
|
|
$offset += 4; |
|
712
|
26 |
|
|
|
713
|
|
|
return $num; |
|
714
|
|
|
} |
|
715
|
|
|
|
|
716
|
26 |
View Code Duplication |
private static function unpackFloat64($buffer, &$offset) |
|
|
|
|
|
|
717
|
2 |
|
{ |
|
718
|
|
|
if (!isset($buffer[$offset + 7])) { |
|
719
|
|
|
throw new InsufficientDataException(); |
|
720
|
24 |
|
} |
|
721
|
24 |
|
|
|
722
|
|
|
$num = \unpack('E', $buffer, $offset)[1]; |
|
723
|
24 |
|
$offset += 8; |
|
724
|
|
|
|
|
725
|
|
|
return $num; |
|
726
|
|
|
} |
|
727
|
|
|
|
|
728
|
|
|
private function unpackExtData($length) |
|
729
|
|
|
{ |
|
730
|
|
|
$buffer = &$this->buffer; |
|
731
|
|
|
$offset = &$this->offset; |
|
732
|
|
|
|
|
733
|
|
|
if (!isset($buffer[$offset + $length])) { // 1 (type) + length - 1 |
|
734
|
|
|
throw new InsufficientDataException(); |
|
735
|
|
|
} |
|
736
|
|
|
|
|
737
|
|
|
// int8 |
|
738
|
|
|
$type = \ord($buffer[$offset]); |
|
739
|
|
|
++$offset; |
|
740
|
|
|
|
|
741
|
|
|
if ($type > 0x7f) { |
|
742
|
|
|
$type -= 0x100; |
|
743
|
|
|
} |
|
744
|
|
|
|
|
745
|
|
|
if (isset($this->extensions[$type])) { |
|
746
|
|
|
return $this->extensions[$type]->unpackExt($this, $length); |
|
747
|
|
|
} |
|
748
|
|
|
|
|
749
|
|
|
$data = \substr($buffer, $offset, $length); |
|
750
|
|
|
$offset += $length; |
|
751
|
|
|
|
|
752
|
|
|
return new Ext($type, $data); |
|
753
|
|
|
} |
|
754
|
|
|
} |
|
755
|
|
|
|
|
756
|
|
|
final class Container |
|
757
|
|
|
{ |
|
758
|
|
|
public $type; |
|
759
|
|
|
public $size; |
|
760
|
|
|
public $count = 0; |
|
761
|
|
|
public $value; |
|
762
|
|
|
public $key; |
|
763
|
|
|
|
|
764
|
|
|
public function __construct($type, $size) |
|
765
|
|
|
{ |
|
766
|
|
|
$this->type = $type; |
|
767
|
|
|
$this->size = $size; |
|
768
|
|
|
} |
|
769
|
|
|
} |
|
770
|
|
|
|
rybakit /
msgpack.php
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.