func bytesToParticle(ptype int, buf []byte, offset int, length int) (interface{}, error) {
switch ptype {
case ParticleType.INTEGER:
// return `int` for 64bit platforms for compatibility reasons
if Buffer.Arch64Bits {
return int(Buffer.VarBytesToInt64(buf, offset, length)), nil
}
return Buffer.VarBytesToInt64(buf, offset, length), nil
case ParticleType.STRING:
return string(buf[offset : offset+length]), nil
case ParticleType.FLOAT:
return Buffer.BytesToFloat64(buf, offset), nil
case ParticleType.MAP:
return newUnpacker(buf, offset, length).UnpackMap()
case ParticleType.LIST:
return newUnpacker(buf, offset, length).UnpackList()
case ParticleType.GEOJSON:
ncells := int(Buffer.BytesToInt16(buf, offset+1))
headerSize := 1 + 2 + (ncells * 8)
return string(buf[offset+headerSize : offset+length]), nil
case ParticleType.BLOB:
newObj := make([]byte, length)
copy(newObj, buf[offset:offset+length])
return newObj, nil
case ParticleType.LDT:
return newUnpacker(buf, offset, length).unpackObjects()
}
return nil, nil
}
func (upckr *unpacker) unpackObject(isMapKey bool) (interface{}, error) {
theType := upckr.buffer[upckr.offset] & 0xff
upckr.offset++
switch theType {
case 0xc0:
return nil, nil
case 0xc3:
return true, nil
case 0xc2:
return false, nil
case 0xca:
val := Buffer.BytesToFloat32(upckr.buffer, upckr.offset)
upckr.offset += 4
return val, nil
case 0xcb:
val := Buffer.BytesToFloat64(upckr.buffer, upckr.offset)
upckr.offset += 8
return val, nil
case 0xcc:
r := upckr.buffer[upckr.offset] & 0xff
upckr.offset++
return int(r), nil
case 0xcd:
val := uint16(Buffer.BytesToInt16(upckr.buffer, upckr.offset))
upckr.offset += 2
return int(val), nil
case 0xce:
val := uint32(Buffer.BytesToInt32(upckr.buffer, upckr.offset))
upckr.offset += 4
if Buffer.Arch64Bits {
return int(val), nil
}
return int64(val), nil
case 0xcf:
val := Buffer.BytesToInt64(upckr.buffer, upckr.offset)
upckr.offset += 8
return uint64(val), nil
case 0xd0:
r := int8(upckr.buffer[upckr.offset])
upckr.offset++
return int(r), nil
case 0xd1:
val := Buffer.BytesToInt16(upckr.buffer, upckr.offset)
upckr.offset += 2
return int(val), nil
case 0xd2:
val := Buffer.BytesToInt32(upckr.buffer, upckr.offset)
upckr.offset += 4
return int(val), nil
case 0xd3:
val := Buffer.BytesToInt64(upckr.buffer, upckr.offset)
upckr.offset += 8
if Buffer.Arch64Bits {
return int(val), nil
}
return int64(val), nil
case 0xc4, 0xd9:
count := int(upckr.offset & 0xff)
upckr.offset++
return upckr.unpackBlob(count, isMapKey)
case 0xc5, 0xda:
count := int(Buffer.BytesToUint16(upckr.buffer, upckr.offset))
upckr.offset += 2
return upckr.unpackBlob(count, isMapKey)
case 0xc6, 0xdb:
count := int(Buffer.BytesToUint32(upckr.buffer, upckr.offset))
upckr.offset += 4
return upckr.unpackBlob(count, isMapKey)
case 0xdc:
count := int(Buffer.BytesToUint16(upckr.buffer, upckr.offset))
upckr.offset += 2
return upckr.unpackList(count)
case 0xdd:
count := int(Buffer.BytesToUint32(upckr.buffer, upckr.offset))
upckr.offset += 4
return upckr.unpackList(count)
case 0xde:
count := int(Buffer.BytesToUint16(upckr.buffer, upckr.offset))
upckr.offset += 2
return upckr.unpackMap(count)
case 0xdf:
count := int(Buffer.BytesToUint32(upckr.buffer, upckr.offset))
upckr.offset += 4
return upckr.unpackMap(count)
case 0xd4:
// Skip over type extension with 1 byte
upckr.offset += 1 + 1
return nil, skipHeaderErr
case 0xd5:
// Skip over type extension with 2 bytes
upckr.offset += 1 + 2
return nil, skipHeaderErr
case 0xd6:
// Skip over type extension with 4 bytes
upckr.offset += 1 + 4
return nil, skipHeaderErr
case 0xd7:
// Skip over type extension with 8 bytes
upckr.offset += 1 + 8
return nil, skipHeaderErr
case 0xd8:
// Skip over type extension with 16 bytes
upckr.offset += 1 + 16
return nil, skipHeaderErr
case 0xc7: // Skip over type extension with 8 bit header and bytes
count := int(upckr.buffer[upckr.offset] & 0xff)
upckr.offset += count + 1 + 1
return nil, skipHeaderErr
case 0xc8: // Skip over type extension with 16 bit header and bytes
count := int(Buffer.BytesToInt16(upckr.buffer, upckr.offset))
upckr.offset += count + 1 + 2
return nil, skipHeaderErr
case 0xc9: // Skip over type extension with 32 bit header and bytes
count := int(Buffer.BytesToInt32(upckr.buffer, upckr.offset))
upckr.offset += count + 1 + 4
return nil, skipHeaderErr
default:
if (theType & 0xe0) == 0xa0 {
return upckr.unpackBlob(int(theType&0x1f), isMapKey)
}
if (theType & 0xf0) == 0x80 {
return upckr.unpackMap(int(theType & 0x0f))
}
if (theType & 0xf0) == 0x90 {
count := int(theType & 0x0f)
return upckr.unpackList(count)
}
if theType < 0x80 {
return int(theType), nil
}
if theType >= 0xe0 {
return int(int(theType) - 0xe0 - 32), nil
}
}
return nil, NewAerospikeError(SERIALIZE_ERROR)
}