/**
* Creates \Google\Protobuf\FileDescriptorProto object from serialized Protocol Buffers message.
*
* @param string $input
* @param FileDescriptorProto $object
* @param int $start
* @param int $end
*
* @throws \Exception
*
* @return FileDescriptorProto
*/
public static function fromProtobuf($input, $object = NULL, &$start = 0, $end = NULL)
{
if ($object === null) {
$object = new FileDescriptorProto();
}
if ($end === null) {
$end = strlen($input);
}
while ($start < $end) {
$tag = Binary::decodeVarint($input, $start);
$wireType = $tag & 0x7;
$number = $tag >> 3;
switch ($number) {
case 1:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->name = substr($input, $start, $length);
$start += $length;
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 2:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->package = substr($input, $start, $length);
$start += $length;
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 3:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->dependency) && is_array($object->dependency))) {
$object->dependency = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->dependency[] = substr($input, $start, $length);
$start += $length;
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 10:
if ($wireType !== 0) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 0.', $number);
}
if (!(isset($object->publicDependency) && is_array($object->publicDependency))) {
$object->publicDependency = array();
}
$object->publicDependency[] = Binary::decodeVarint($input, $start);
break;
case 11:
if ($wireType !== 0) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 0.', $number);
}
if (!(isset($object->weakDependency) && is_array($object->weakDependency))) {
$object->weakDependency = array();
}
$object->weakDependency[] = Binary::decodeVarint($input, $start);
break;
case 4:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->messageType) && is_array($object->messageType))) {
$object->messageType = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->messageType[] = DescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 5:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->enumType) && is_array($object->enumType))) {
$object->enumType = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->enumType[] = EnumDescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 6:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->service) && is_array($object->service))) {
$object->service = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->service[] = ServiceDescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 7:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->extension) && is_array($object->extension))) {
$object->extension = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->extension[] = FieldDescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 8:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->options = FileOptionsMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 9:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->sourceCodeInfo = SourceCodeInfoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 12:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->syntax = substr($input, $start, $length);
$start += $length;
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
default:
switch ($wireType) {
case 0:
Binary::decodeVarint($input, $start);
break;
case 1:
$start += 8;
break;
case 2:
$start += Binary::decodeVarint($input, $start);
break;
case 5:
$start += 4;
break;
default:
throw new ProtobufException('Unexpected wire type ' . $wireType . '.', $number);
}
}
}
return $object;
}
/**
* Creates \Google\Protobuf\DescriptorProto object from serialized Protocol Buffers message.
*
* @param string $input
* @param DescriptorProto $object
* @param int $start
* @param int $end
*
* @throws \Exception
*
* @return DescriptorProto
*/
public static function fromProtobuf($input, $object = NULL, &$start = 0, $end = NULL)
{
if ($object === null) {
$object = new DescriptorProto();
}
if ($end === null) {
$end = strlen($input);
}
while ($start < $end) {
$tag = Binary::decodeVarint($input, $start);
$wireType = $tag & 0x7;
$number = $tag >> 3;
switch ($number) {
case 1:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->name = substr($input, $start, $length);
$start += $length;
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 2:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->field) && is_array($object->field))) {
$object->field = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->field[] = FieldDescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 6:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->extension) && is_array($object->extension))) {
$object->extension = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->extension[] = FieldDescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 3:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->nestedType) && is_array($object->nestedType))) {
$object->nestedType = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->nestedType[] = DescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 4:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->enumType) && is_array($object->enumType))) {
$object->enumType = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->enumType[] = EnumDescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 5:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->extensionRange) && is_array($object->extensionRange))) {
$object->extensionRange = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->extensionRange[] = ExtensionRangeMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 8:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->oneofDecl) && is_array($object->oneofDecl))) {
$object->oneofDecl = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->oneofDecl[] = OneofDescriptorProtoMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 7:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->options = MessageOptionsMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 9:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->reservedRange) && is_array($object->reservedRange))) {
$object->reservedRange = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->reservedRange[] = ReservedRangeMeta::fromProtobuf($input, null, $start, $start + $length);
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
case 10:
if ($wireType !== 2) {
throw new ProtobufException('Unexpected wire type ' . $wireType . ', expected 2.', $number);
}
if (!(isset($object->reservedName) && is_array($object->reservedName))) {
$object->reservedName = array();
}
$length = Binary::decodeVarint($input, $start);
$expectedStart = $start + $length;
if ($expectedStart > $end) {
throw new ProtobufException('Not enough data.');
}
$object->reservedName[] = substr($input, $start, $length);
$start += $length;
if ($start !== $expectedStart) {
throw new ProtobufException('Unexpected start. Expected ' . $expectedStart . ', got ' . $start . '.', $number);
}
break;
default:
switch ($wireType) {
case 0:
Binary::decodeVarint($input, $start);
break;
case 1:
$start += 8;
break;
case 2:
$start += Binary::decodeVarint($input, $start);
break;
case 5:
$start += 4;
break;
default:
throw new ProtobufException('Unexpected wire type ' . $wireType . '.', $number);
}
}
}
return $object;
}
