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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\Type\Ext; |
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class BufferUnpacker |
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{ |
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/** @var string */ |
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private $buffer; |
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/** @var int */ |
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private $offset = 0; |
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/** @var bool */ |
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private $isBigIntAsDec; |
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/** @var bool */ |
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private $isBigIntAsGmp; |
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/** @var Extension[] */ |
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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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public function __construct(string $buffer = '', $options = null, array $extensions = []) |
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{ |
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if (\is_null($options)) { |
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$options = UnpackOptions::fromDefaults(); |
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} elseif (!$options instanceof UnpackOptions) { |
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$options = UnpackOptions::fromBitmask($options); |
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} |
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$this->isBigIntAsDec = $options->isBigIntAsDecMode(); |
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$this->isBigIntAsGmp = $options->isBigIntAsGmpMode(); |
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$this->buffer = $buffer; |
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if ($extensions) { |
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1 |
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foreach ($extensions as $extension) { |
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$this->extensions[$extension->getType()] = $extension; |
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} |
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} |
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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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return $new; |
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} |
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2 |
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public function withBuffer(string $buffer) : self |
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{ |
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$new = clone $this; |
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$new->buffer = $buffer; |
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$new->offset = 0; |
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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 = $buffer; |
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$this->offset = 0; |
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return $this; |
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} |
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public function seek(int $offset) : self |
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{ |
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if ($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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throw new InsufficientDataException("Unable to seek to position $offset"); |
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} |
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$this->offset = $offset; |
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return $this; |
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} |
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/** |
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* @param positive-int $length |
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*/ |
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public function skip(int $length) : self |
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{ |
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$offset = $this->offset + $length; |
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if (!isset($this->buffer[$offset])) { |
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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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return $this; |
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} |
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public function getRemainingCount() : int |
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{ |
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return \strlen($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 === $this->offset) { |
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return 0; |
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} |
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1 |
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$releasedBytesCount = $this->offset; |
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1 |
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$this->buffer = isset($this->buffer[$this->offset]) ? \substr($this->buffer, $this->offset) : ''; |
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$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 $length |
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* |
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* @return string |
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*/ |
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public function read($length) |
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{ |
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if (!isset($this->buffer[$this->offset + $length - 1])) { |
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throw new InsufficientDataException(); |
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} |
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$data = \substr($this->buffer, $this->offset, $length); |
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$this->offset += $length; |
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return $data; |
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} |
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public function tryUnpack() : array |
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{ |
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$data = []; |
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$offset = $this->offset; |
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try { |
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do { |
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$data[] = $this->unpack(); |
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$offset = $this->offset; |
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} while (isset($this->buffer[$this->offset])); |
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1 |
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} catch (InsufficientDataException $e) { |
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$this->offset = $offset; |
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} |
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return $data; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function unpack() |
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{ |
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if (!isset($this->buffer[$this->offset])) { |
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throw new InsufficientDataException(); |
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} |
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$c = \ord($this->buffer[$this->offset]); |
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++$this->offset; |
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// fixint |
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if ($c <= 0x7f) { |
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return $c; |
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} |
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// fixstr |
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if ($c >= 0xa0 && $c <= 0xbf) { |
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return ($c & 0x1f) ? $this->read($c & 0x1f) : ''; |
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} |
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// negfixint |
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if ($c >= 0xe0) { |
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return $c - 0x100; |
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} |
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switch ($c) { |
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case 0xc0: return null; |
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case 0xc2: return false; |
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case 0xc3: return true; |
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// fixmap |
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case 0x80: return []; |
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case 0x81: return [$this->unpackMapKey() => $this->unpack()]; |
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case 0x82: return [$this->unpackMapKey() => $this->unpack(), $this->unpackMapKey() => $this->unpack()]; |
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case 0x83: return [$this->unpackMapKey() => $this->unpack(), $this->unpackMapKey() => $this->unpack(), $this->unpackMapKey() => $this->unpack()]; |
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case 0x84: return $this->unpackMapData(4); |
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case 0x85: return $this->unpackMapData(5); |
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case 0x86: return $this->unpackMapData(6); |
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case 0x87: return $this->unpackMapData(7); |
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case 0x88: return $this->unpackMapData(8); |
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case 0x89: return $this->unpackMapData(9); |
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case 0x8a: return $this->unpackMapData(10); |
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case 0x8b: return $this->unpackMapData(11); |
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case 0x8c: return $this->unpackMapData(12); |
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case 0x8d: return $this->unpackMapData(13); |
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case 0x8e: return $this->unpackMapData(14); |
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case 0x8f: return $this->unpackMapData(15); |
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// fixarray |
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case 0x90: return []; |
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case 0x91: return [$this->unpack()]; |
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case 0x92: return [$this->unpack(), $this->unpack()]; |
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case 0x93: return [$this->unpack(), $this->unpack(), $this->unpack()]; |
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case 0x94: return $this->unpackArrayData(4); |
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case 0x95: return $this->unpackArrayData(5); |
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case 0x96: return $this->unpackArrayData(6); |
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case 0x97: return $this->unpackArrayData(7); |
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case 0x98: return $this->unpackArrayData(8); |
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case 0x99: return $this->unpackArrayData(9); |
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case 0x9a: return $this->unpackArrayData(10); |
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113 |
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case 0x9b: return $this->unpackArrayData(11); |
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113 |
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case 0x9c: return $this->unpackArrayData(12); |
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113 |
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case 0x9d: return $this->unpackArrayData(13); |
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113 |
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case 0x9e: return $this->unpackArrayData(14); |
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case 0x9f: return $this->unpackArrayData(15); |
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// bin |
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case 0xc4: return $this->read($this->unpackUint8()); |
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107 |
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case 0xc5: return $this->read($this->unpackUint16()); |
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106 |
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case 0xc6: return $this->read($this->unpackUint32()); |
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// float |
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case 0xca: return $this->unpackFloat32(); |
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case 0xcb: return $this->unpackFloat64(); |
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// uint |
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case 0xcc: return $this->unpackUint8(); |
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case 0xcd: return $this->unpackUint16(); |
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88 |
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case 0xce: return $this->unpackUint32(); |
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case 0xcf: return $this->unpackUint64(); |
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// int |
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case 0xd0: return $this->unpackInt8(); |
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case 0xd1: return $this->unpackInt16(); |
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64 |
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case 0xd2: return $this->unpackInt32(); |
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case 0xd3: return $this->unpackInt64(); |
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// str |
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case 0xd9: return $this->read($this->unpackUint8()); |
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case 0xda: return $this->read($this->unpackUint16()); |
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45 |
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case 0xdb: return $this->read($this->unpackUint32()); |
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// array |
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44 |
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case 0xdc: return $this->unpackArrayData($this->unpackUint16()); |
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42 |
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case 0xdd: return $this->unpackArrayData($this->unpackUint32()); |
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// map |
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41 |
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case 0xde: return $this->unpackMapData($this->unpackUint16()); |
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39 |
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case 0xdf: return $this->unpackMapData($this->unpackUint32()); |
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// ext |
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36 |
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case 0xd4: return $this->unpackExtData(1); |
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30 |
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case 0xd5: return $this->unpackExtData(2); |
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27 |
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case 0xd6: return $this->unpackExtData(4); |
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24 |
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case 0xd7: return $this->unpackExtData(8); |
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284
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21 |
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case 0xd8: return $this->unpackExtData(16); |
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285
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18 |
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case 0xc7: return $this->unpackExtData($this->unpackUint8()); |
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286
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11 |
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case 0xc8: return $this->unpackExtData($this->unpackUint16()); |
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287
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6 |
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case 0xc9: return $this->unpackExtData($this->unpackUint32()); |
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288
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} |
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289
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290
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1 |
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throw UnpackingFailedException::unknownCode($c); |
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291
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} |
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292
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293
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/** |
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294
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* @return null |
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295
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*/ |
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296
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3 |
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public function unpackNil() |
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297
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{ |
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298
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3 |
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if (!isset($this->buffer[$this->offset])) { |
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299
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1 |
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throw new InsufficientDataException(); |
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300
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} |
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301
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302
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2 |
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if ("\xc0" === $this->buffer[$this->offset]) { |
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303
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1 |
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++$this->offset; |
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304
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305
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1 |
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return null; |
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306
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} |
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307
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308
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1 |
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throw UnpackingFailedException::unexpectedCode(\ord($this->buffer[$this->offset++]), 'nil'); |
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309
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} |
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310
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311
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/** |
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312
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* @return bool |
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313
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*/ |
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314
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5 |
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public function unpackBool() |
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315
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{ |
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316
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5 |
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if (!isset($this->buffer[$this->offset])) { |
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317
|
1 |
|
throw new InsufficientDataException(); |
|
318
|
|
|
} |
|
319
|
|
|
|
|
320
|
4 |
|
$c = \ord($this->buffer[$this->offset]); |
|
321
|
4 |
|
++$this->offset; |
|
322
|
|
|
|
|
323
|
4 |
|
if (0xc2 === $c) { |
|
324
|
2 |
|
return false; |
|
325
|
|
|
} |
|
326
|
2 |
|
if (0xc3 === $c) { |
|
327
|
1 |
|
return true; |
|
328
|
|
|
} |
|
329
|
|
|
|
|
330
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'bool'); |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
/** |
|
334
|
|
|
* @return Decimal|\GMP|int|string |
|
335
|
|
|
*/ |
|
336
|
40 |
|
public function unpackInt() |
|
337
|
|
|
{ |
|
338
|
40 |
|
if (!isset($this->buffer[$this->offset])) { |
|
339
|
1 |
|
throw new InsufficientDataException(); |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
39 |
|
$c = \ord($this->buffer[$this->offset]); |
|
343
|
39 |
|
++$this->offset; |
|
344
|
|
|
|
|
345
|
|
|
// fixint |
|
346
|
39 |
|
if ($c <= 0x7f) { |
|
347
|
3 |
|
return $c; |
|
348
|
|
|
} |
|
349
|
|
|
// negfixint |
|
350
|
36 |
|
if ($c >= 0xe0) { |
|
351
|
3 |
|
return $c - 0x100; |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
switch ($c) { |
|
355
|
|
|
// uint |
|
356
|
33 |
|
case 0xcc: return $this->unpackUint8(); |
|
357
|
30 |
|
case 0xcd: return $this->unpackUint16(); |
|
358
|
27 |
|
case 0xce: return $this->unpackUint32(); |
|
359
|
24 |
|
case 0xcf: return $this->unpackUint64(); |
|
360
|
|
|
// int |
|
361
|
20 |
|
case 0xd0: return $this->unpackInt8(); |
|
362
|
16 |
|
case 0xd1: return $this->unpackInt16(); |
|
363
|
12 |
|
case 0xd2: return $this->unpackInt32(); |
|
364
|
8 |
|
case 0xd3: return $this->unpackInt64(); |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'int'); |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
/** |
|
371
|
|
|
* @return float |
|
372
|
|
|
*/ |
|
373
|
7 |
|
public function unpackFloat() |
|
374
|
|
|
{ |
|
375
|
7 |
|
if (!isset($this->buffer[$this->offset])) { |
|
376
|
1 |
|
throw new InsufficientDataException(); |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
6 |
|
$c = \ord($this->buffer[$this->offset]); |
|
380
|
6 |
|
++$this->offset; |
|
381
|
|
|
|
|
382
|
6 |
|
if (0xcb === $c) { |
|
383
|
3 |
|
return $this->unpackFloat64(); |
|
384
|
|
|
} |
|
385
|
3 |
|
if (0xca === $c) { |
|
386
|
2 |
|
return $this->unpackFloat32(); |
|
387
|
|
|
} |
|
388
|
|
|
|
|
389
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'float'); |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
|
|
/** |
|
393
|
|
|
* @return string |
|
394
|
|
|
*/ |
|
395
|
14 |
|
public function unpackStr() |
|
396
|
|
|
{ |
|
397
|
14 |
|
if (!isset($this->buffer[$this->offset])) { |
|
398
|
1 |
|
throw new InsufficientDataException(); |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
13 |
|
$c = \ord($this->buffer[$this->offset]); |
|
402
|
13 |
|
++$this->offset; |
|
403
|
|
|
|
|
404
|
13 |
|
if ($c >= 0xa0 && $c <= 0xbf) { |
|
405
|
5 |
|
return ($c & 0x1f) ? $this->read($c & 0x1f) : ''; |
|
406
|
|
|
} |
|
407
|
8 |
|
if (0xd9 === $c) { |
|
408
|
4 |
|
return $this->read($this->unpackUint8()); |
|
409
|
|
|
} |
|
410
|
4 |
|
if (0xda === $c) { |
|
411
|
2 |
|
return $this->read($this->unpackUint16()); |
|
412
|
|
|
} |
|
413
|
2 |
|
if (0xdb === $c) { |
|
414
|
1 |
|
return $this->read($this->unpackUint32()); |
|
415
|
|
|
} |
|
416
|
|
|
|
|
417
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'str'); |
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
|
|
/** |
|
421
|
|
|
* @return string |
|
422
|
|
|
*/ |
|
423
|
7 |
|
public function unpackBin() |
|
424
|
|
|
{ |
|
425
|
7 |
|
if (!isset($this->buffer[$this->offset])) { |
|
426
|
1 |
|
throw new InsufficientDataException(); |
|
427
|
|
|
} |
|
428
|
|
|
|
|
429
|
6 |
|
$c = \ord($this->buffer[$this->offset]); |
|
430
|
6 |
|
++$this->offset; |
|
431
|
|
|
|
|
432
|
6 |
|
if (0xc4 === $c) { |
|
433
|
3 |
|
return $this->read($this->unpackUint8()); |
|
434
|
|
|
} |
|
435
|
3 |
|
if (0xc5 === $c) { |
|
436
|
1 |
|
return $this->read($this->unpackUint16()); |
|
437
|
|
|
} |
|
438
|
2 |
|
if (0xc6 === $c) { |
|
439
|
1 |
|
return $this->read($this->unpackUint32()); |
|
440
|
|
|
} |
|
441
|
|
|
|
|
442
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'bin'); |
|
443
|
|
|
} |
|
444
|
|
|
|
|
445
|
|
|
/** |
|
446
|
|
|
* @return array |
|
447
|
|
|
*/ |
|
448
|
9 |
|
public function unpackArray() |
|
449
|
|
|
{ |
|
450
|
9 |
|
$size = $this->unpackArrayHeader(); |
|
451
|
|
|
|
|
452
|
7 |
|
$array = []; |
|
453
|
7 |
|
while ($size--) { |
|
454
|
6 |
|
$array[] = $this->unpack(); |
|
455
|
|
|
} |
|
456
|
|
|
|
|
457
|
7 |
|
return $array; |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
/** |
|
461
|
|
|
* @return int |
|
462
|
|
|
*/ |
|
463
|
9 |
|
public function unpackArrayHeader() |
|
464
|
|
|
{ |
|
465
|
9 |
|
if (!isset($this->buffer[$this->offset])) { |
|
466
|
1 |
|
throw new InsufficientDataException(); |
|
467
|
|
|
} |
|
468
|
|
|
|
|
469
|
8 |
|
$c = \ord($this->buffer[$this->offset]); |
|
470
|
8 |
|
++$this->offset; |
|
471
|
|
|
|
|
472
|
8 |
|
if ($c >= 0x90 && $c <= 0x9f) { |
|
473
|
4 |
|
return $c & 0xf; |
|
474
|
|
|
} |
|
475
|
4 |
|
if (0xdc === $c) { |
|
476
|
2 |
|
return $this->unpackUint16(); |
|
477
|
|
|
} |
|
478
|
2 |
|
if (0xdd === $c) { |
|
479
|
1 |
|
return $this->unpackUint32(); |
|
480
|
|
|
} |
|
481
|
|
|
|
|
482
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'array'); |
|
483
|
|
|
} |
|
484
|
|
|
|
|
485
|
|
|
/** |
|
486
|
|
|
* @return array |
|
487
|
|
|
*/ |
|
488
|
45 |
|
public function unpackMap() |
|
489
|
|
|
{ |
|
490
|
45 |
|
$size = $this->unpackMapHeader(); |
|
491
|
|
|
|
|
492
|
43 |
|
$map = []; |
|
493
|
43 |
|
while ($size--) { |
|
494
|
42 |
|
$map[$this->unpackMapKey()] = $this->unpack(); |
|
495
|
|
|
} |
|
496
|
|
|
|
|
497
|
10 |
|
return $map; |
|
498
|
|
|
} |
|
499
|
|
|
|
|
500
|
|
|
/** |
|
501
|
|
|
* @return int |
|
502
|
|
|
*/ |
|
503
|
45 |
|
public function unpackMapHeader() |
|
504
|
|
|
{ |
|
505
|
45 |
|
if (!isset($this->buffer[$this->offset])) { |
|
506
|
1 |
|
throw new InsufficientDataException(); |
|
507
|
|
|
} |
|
508
|
|
|
|
|
509
|
44 |
|
$c = \ord($this->buffer[$this->offset]); |
|
510
|
44 |
|
++$this->offset; |
|
511
|
|
|
|
|
512
|
44 |
|
if ($c >= 0x80 && $c <= 0x8f) { |
|
513
|
39 |
|
return $c & 0xf; |
|
514
|
|
|
} |
|
515
|
5 |
|
if (0xde === $c) { |
|
516
|
2 |
|
return $this->unpackUint16(); |
|
517
|
|
|
} |
|
518
|
3 |
|
if (0xdf === $c) { |
|
519
|
2 |
|
return $this->unpackUint32(); |
|
520
|
|
|
} |
|
521
|
|
|
|
|
522
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'map'); |
|
523
|
|
|
} |
|
524
|
|
|
|
|
525
|
|
|
/** |
|
526
|
|
|
* @return mixed |
|
527
|
|
|
*/ |
|
528
|
13 |
|
public function unpackExt() |
|
529
|
|
|
{ |
|
530
|
13 |
|
if (!isset($this->buffer[$this->offset])) { |
|
531
|
1 |
|
throw new InsufficientDataException(); |
|
532
|
|
|
} |
|
533
|
|
|
|
|
534
|
12 |
|
$c = \ord($this->buffer[$this->offset]); |
|
535
|
12 |
|
++$this->offset; |
|
536
|
|
|
|
|
537
|
|
|
switch ($c) { |
|
538
|
12 |
|
case 0xd4: return $this->unpackExtData(1); |
|
539
|
11 |
|
case 0xd5: return $this->unpackExtData(2); |
|
540
|
10 |
|
case 0xd6: return $this->unpackExtData(4); |
|
541
|
9 |
|
case 0xd7: return $this->unpackExtData(8); |
|
542
|
8 |
|
case 0xd8: return $this->unpackExtData(16); |
|
543
|
7 |
|
case 0xc7: return $this->unpackExtData($this->unpackUint8()); |
|
544
|
5 |
|
case 0xc8: return $this->unpackExtData($this->unpackUint16()); |
|
545
|
3 |
|
case 0xc9: return $this->unpackExtData($this->unpackUint32()); |
|
546
|
|
|
} |
|
547
|
|
|
|
|
548
|
1 |
|
throw UnpackingFailedException::unexpectedCode($c, 'ext'); |
|
549
|
|
|
} |
|
550
|
|
|
|
|
551
|
|
|
/** |
|
552
|
|
|
* @return int |
|
553
|
|
|
*/ |
|
554
|
39 |
|
private function unpackUint8() |
|
555
|
|
|
{ |
|
556
|
39 |
|
if (!isset($this->buffer[$this->offset])) { |
|
557
|
2 |
|
throw new InsufficientDataException(); |
|
558
|
|
|
} |
|
559
|
|
|
|
|
560
|
37 |
|
return \ord($this->buffer[$this->offset++]); |
|
561
|
|
|
} |
|
562
|
|
|
|
|
563
|
|
|
/** |
|
564
|
|
|
* @return int |
|
565
|
|
|
*/ |
|
566
|
32 |
|
private function unpackUint16() |
|
567
|
|
|
{ |
|
568
|
32 |
|
if (!isset($this->buffer[$this->offset + 1])) { |
|
569
|
2 |
|
throw new InsufficientDataException(); |
|
570
|
|
|
} |
|
571
|
|
|
|
|
572
|
30 |
|
return \ord($this->buffer[$this->offset++]) << 8 |
|
573
|
30 |
|
| \ord($this->buffer[$this->offset++]); |
|
574
|
|
|
} |
|
575
|
|
|
|
|
576
|
|
|
/** |
|
577
|
|
|
* @return int |
|
578
|
|
|
*/ |
|
579
|
27 |
|
private function unpackUint32() |
|
580
|
|
|
{ |
|
581
|
27 |
|
if (!isset($this->buffer[$this->offset + 3])) { |
|
582
|
2 |
|
throw new InsufficientDataException(); |
|
583
|
|
|
} |
|
584
|
|
|
|
|
585
|
25 |
|
return \ord($this->buffer[$this->offset++]) << 24 |
|
586
|
25 |
|
| \ord($this->buffer[$this->offset++]) << 16 |
|
587
|
25 |
|
| \ord($this->buffer[$this->offset++]) << 8 |
|
588
|
25 |
|
| \ord($this->buffer[$this->offset++]); |
|
589
|
|
|
} |
|
590
|
|
|
|
|
591
|
|
|
/** |
|
592
|
|
|
* @return Decimal|\GMP|int|string |
|
593
|
|
|
*/ |
|
594
|
14 |
|
private function unpackUint64() |
|
595
|
|
|
{ |
|
596
|
14 |
|
if (!isset($this->buffer[$this->offset + 7])) { |
|
597
|
1 |
|
throw new InsufficientDataException(); |
|
598
|
|
|
} |
|
599
|
|
|
|
|
600
|
13 |
|
$num = \unpack('J', $this->buffer, $this->offset)[1]; |
|
601
|
13 |
|
$this->offset += 8; |
|
602
|
|
|
|
|
603
|
13 |
|
if ($num >= 0) { |
|
604
|
8 |
|
return $num; |
|
605
|
|
|
} |
|
606
|
5 |
|
if ($this->isBigIntAsDec) { |
|
607
|
1 |
|
return new Decimal(\sprintf('%u', $num)); |
|
608
|
|
|
} |
|
609
|
4 |
|
if ($this->isBigIntAsGmp) { |
|
610
|
1 |
|
return \gmp_import(\substr($this->buffer, $this->offset - 8, 8)); |
|
611
|
|
|
} |
|
612
|
|
|
|
|
613
|
3 |
|
return \sprintf('%u', $num); |
|
614
|
|
|
} |
|
615
|
|
|
|
|
616
|
|
|
/** |
|
617
|
|
|
* @return int|string |
|
618
|
|
|
*/ |
|
619
|
5 |
|
private function unpackUint64MapKey() |
|
620
|
|
|
{ |
|
621
|
5 |
|
if (!isset($this->buffer[$this->offset + 7])) { |
|
622
|
|
|
throw new InsufficientDataException(); |
|
623
|
|
|
} |
|
624
|
|
|
|
|
625
|
5 |
|
$num = \unpack('J', $this->buffer, $this->offset)[1]; |
|
626
|
5 |
|
$this->offset += 8; |
|
627
|
|
|
|
|
628
|
5 |
|
return $num >= 0 ? $num : \sprintf('%u', $num); |
|
629
|
|
|
} |
|
630
|
|
|
|
|
631
|
|
|
/** |
|
632
|
|
|
* @return int |
|
633
|
|
|
*/ |
|
634
|
9 |
|
private function unpackInt8() |
|
635
|
|
|
{ |
|
636
|
9 |
|
if (!isset($this->buffer[$this->offset])) { |
|
637
|
1 |
|
throw new InsufficientDataException(); |
|
638
|
|
|
} |
|
639
|
|
|
|
|
640
|
8 |
|
$num = \ord($this->buffer[$this->offset]); |
|
641
|
8 |
|
++$this->offset; |
|
642
|
|
|
|
|
643
|
8 |
|
return $num > 0x7f ? $num - 0x100 : $num; |
|
644
|
|
|
} |
|
645
|
|
|
|
|
646
|
|
|
/** |
|
647
|
|
|
* @return int |
|
648
|
|
|
*/ |
|
649
|
9 |
|
private function unpackInt16() |
|
650
|
|
|
{ |
|
651
|
9 |
|
if (!isset($this->buffer[$this->offset + 1])) { |
|
652
|
1 |
|
throw new InsufficientDataException(); |
|
653
|
|
|
} |
|
654
|
|
|
|
|
655
|
8 |
|
$num = \ord($this->buffer[$this->offset]) << 8 |
|
656
|
8 |
|
| \ord($this->buffer[++$this->offset]); |
|
657
|
8 |
|
++$this->offset; |
|
658
|
|
|
|
|
659
|
8 |
|
return $num > 0x7fff ? $num - 0x10000 : $num; |
|
660
|
|
|
} |
|
661
|
|
|
|
|
662
|
|
|
/** |
|
663
|
|
|
* @return int |
|
664
|
|
|
*/ |
|
665
|
9 |
|
private function unpackInt32() |
|
666
|
|
|
{ |
|
667
|
9 |
|
if (!isset($this->buffer[$this->offset + 3])) { |
|
668
|
1 |
|
throw new InsufficientDataException(); |
|
669
|
|
|
} |
|
670
|
|
|
|
|
671
|
8 |
|
$num = \ord($this->buffer[$this->offset]) << 24 |
|
672
|
8 |
|
| \ord($this->buffer[++$this->offset]) << 16 |
|
673
|
8 |
|
| \ord($this->buffer[++$this->offset]) << 8 |
|
674
|
8 |
|
| \ord($this->buffer[++$this->offset]); |
|
675
|
8 |
|
++$this->offset; |
|
676
|
|
|
|
|
677
|
8 |
|
return $num > 0x7fffffff ? $num - 0x100000000 : $num; |
|
678
|
|
|
} |
|
679
|
|
|
|
|
680
|
|
|
/** |
|
681
|
|
|
* @return int |
|
682
|
|
|
*/ |
|
683
|
15 |
|
private function unpackInt64() |
|
684
|
|
|
{ |
|
685
|
15 |
|
if (!isset($this->buffer[$this->offset + 7])) { |
|
686
|
1 |
|
throw new InsufficientDataException(); |
|
687
|
|
|
} |
|
688
|
|
|
|
|
689
|
14 |
|
$num = \unpack('J', $this->buffer, $this->offset)[1]; |
|
690
|
14 |
|
$this->offset += 8; |
|
691
|
|
|
|
|
692
|
14 |
|
return $num; |
|
693
|
|
|
} |
|
694
|
|
|
|
|
695
|
|
|
/** |
|
696
|
|
|
* @return float |
|
697
|
|
|
*/ |
|
698
|
5 |
|
private function unpackFloat32() |
|
699
|
|
|
{ |
|
700
|
5 |
|
if (!isset($this->buffer[$this->offset + 3])) { |
|
701
|
1 |
|
throw new InsufficientDataException(); |
|
702
|
|
|
} |
|
703
|
|
|
|
|
704
|
4 |
|
$num = \unpack('G', $this->buffer, $this->offset)[1]; |
|
705
|
4 |
|
$this->offset += 4; |
|
706
|
|
|
|
|
707
|
4 |
|
return $num; |
|
708
|
|
|
} |
|
709
|
|
|
|
|
710
|
|
|
/** |
|
711
|
|
|
* @return float |
|
712
|
|
|
*/ |
|
713
|
7 |
|
private function unpackFloat64() |
|
714
|
|
|
{ |
|
715
|
7 |
|
if (!isset($this->buffer[$this->offset + 7])) { |
|
716
|
1 |
|
throw new InsufficientDataException(); |
|
717
|
|
|
} |
|
718
|
|
|
|
|
719
|
6 |
|
$num = \unpack('E', $this->buffer, $this->offset)[1]; |
|
720
|
6 |
|
$this->offset += 8; |
|
721
|
|
|
|
|
722
|
6 |
|
return $num; |
|
723
|
|
|
} |
|
724
|
|
|
|
|
725
|
|
|
/** |
|
726
|
|
|
* @param int $size |
|
727
|
|
|
* |
|
728
|
|
|
* @return array |
|
729
|
|
|
*/ |
|
730
|
4 |
|
private function unpackArrayData($size) |
|
731
|
|
|
{ |
|
732
|
4 |
|
$array = []; |
|
733
|
4 |
|
while ($size--) { |
|
734
|
4 |
|
$array[] = $this->unpack(); |
|
735
|
|
|
} |
|
736
|
|
|
|
|
737
|
4 |
|
return $array; |
|
738
|
|
|
} |
|
739
|
|
|
|
|
740
|
|
|
/** |
|
741
|
|
|
* @param int $size |
|
742
|
|
|
* |
|
743
|
|
|
* @return array |
|
744
|
|
|
*/ |
|
745
|
7 |
|
private function unpackMapData($size) |
|
746
|
|
|
{ |
|
747
|
7 |
|
$map = []; |
|
748
|
7 |
|
while ($size--) { |
|
749
|
7 |
|
$map[$this->unpackMapKey()] = $this->unpack(); |
|
750
|
|
|
} |
|
751
|
|
|
|
|
752
|
7 |
|
return $map; |
|
753
|
|
|
} |
|
754
|
|
|
|
|
755
|
|
|
/** |
|
756
|
|
|
* @return int|string |
|
757
|
|
|
*/ |
|
758
|
89 |
|
private function unpackMapKey() |
|
759
|
|
|
{ |
|
760
|
89 |
|
if (!isset($this->buffer[$this->offset])) { |
|
761
|
|
|
throw new InsufficientDataException(); |
|
762
|
|
|
} |
|
763
|
|
|
|
|
764
|
89 |
|
$c = \ord($this->buffer[$this->offset]); |
|
765
|
89 |
|
++$this->offset; |
|
766
|
|
|
|
|
767
|
|
|
// fixint |
|
768
|
89 |
|
if ($c <= 0x7f) { |
|
769
|
15 |
|
return $c; |
|
770
|
|
|
} |
|
771
|
|
|
// fixstr |
|
772
|
82 |
|
if ($c >= 0xa0 && $c <= 0xbf) { |
|
773
|
3 |
|
return ($c & 0x1f) ? $this->read($c & 0x1f) : ''; |
|
774
|
|
|
} |
|
775
|
|
|
// negfixint |
|
776
|
79 |
|
if ($c >= 0xe0) { |
|
777
|
2 |
|
return $c - 0x100; |
|
778
|
|
|
} |
|
779
|
|
|
|
|
780
|
|
|
switch ($c) { |
|
781
|
|
|
// uint |
|
782
|
77 |
|
case 0xcc: return $this->unpackUint8(); |
|
783
|
77 |
|
case 0xcd: return $this->unpackUint16(); |
|
784
|
75 |
|
case 0xce: return $this->unpackUint32(); |
|
785
|
73 |
|
case 0xcf: return $this->unpackUint64MapKey(); |
|
786
|
|
|
// int |
|
787
|
68 |
|
case 0xd0: return $this->unpackInt8(); |
|
788
|
68 |
|
case 0xd1: return $this->unpackInt16(); |
|
789
|
68 |
|
case 0xd2: return $this->unpackInt32(); |
|
790
|
68 |
|
case 0xd3: return $this->unpackInt64(); |
|
791
|
|
|
// str |
|
792
|
68 |
|
case 0xd9: return $this->read($this->unpackUint8()); |
|
793
|
68 |
|
case 0xda: return $this->read($this->unpackUint16()); |
|
794
|
68 |
|
case 0xdb: return $this->read($this->unpackUint32()); |
|
795
|
|
|
// bin |
|
796
|
68 |
|
case 0xc4: return $this->read($this->unpackUint8()); |
|
797
|
66 |
|
case 0xc5: return $this->read($this->unpackUint16()); |
|
798
|
66 |
|
case 0xc6: return $this->read($this->unpackUint32()); |
|
799
|
|
|
} |
|
800
|
|
|
|
|
801
|
66 |
|
throw UnpackingFailedException::invalidMapKeyType($c); |
|
802
|
|
|
} |
|
803
|
|
|
|
|
804
|
|
|
/** |
|
805
|
|
|
* @param int $length |
|
806
|
|
|
* |
|
807
|
|
|
* @return mixed |
|
808
|
|
|
*/ |
|
809
|
43 |
|
private function unpackExtData($length) |
|
810
|
|
|
{ |
|
811
|
43 |
|
if (!isset($this->buffer[$this->offset + $length])) { // 1 (type) + length - 1 |
|
812
|
16 |
|
throw new InsufficientDataException(); |
|
813
|
|
|
} |
|
814
|
|
|
|
|
815
|
|
|
// int8 |
|
816
|
27 |
|
$type = \ord($this->buffer[$this->offset]); |
|
817
|
27 |
|
++$this->offset; |
|
818
|
|
|
|
|
819
|
27 |
|
if ($type > 0x7f) { |
|
820
|
|
|
$type -= 0x100; |
|
821
|
|
|
} |
|
822
|
|
|
|
|
823
|
27 |
|
if (isset($this->extensions[$type])) { |
|
824
|
2 |
|
return $this->extensions[$type]->unpackExt($this, $length); |
|
825
|
|
|
} |
|
826
|
|
|
|
|
827
|
25 |
|
$data = \substr($this->buffer, $this->offset, $length); |
|
828
|
25 |
|
$this->offset += $length; |
|
829
|
|
|
|
|
830
|
25 |
|
return new Ext($type, $data); |
|
831
|
|
|
} |
|
832
|
|
|
} |
|
833
|
|
|
|
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.