// DecodeDecimalValue decodes a value encoded by EncodeDecimalValue.
func DecodeDecimalValue(b []byte) ([]byte, *inf.Dec, error) {
if len(b) == 0 {
return nil, nil, fmt.Errorf("array is empty")
}
tag := ValueType(b[0])
b = b[1:]
switch tag {
case ValueType_DECIMAL:
d, err := encoding.DecodeNonsortingDecimal(b, nil)
return nil, d, err
case ValueType_DELIMITED_DECIMAL:
i, n := binary.Varint(b)
if n <= 0 {
return nil, nil, fmt.Errorf("int64 varint decoding failed: %d", n)
}
d, err := encoding.DecodeNonsortingDecimal(b[n:n+int(i)], nil)
return b[n+int(i):], d, err
}
return nil, nil, fmt.Errorf("value type is not %s or %s: %s", ValueType_DECIMAL, ValueType_DELIMITED_DECIMAL, tag)
}
// DecodeDecimalValue decodes a value encoded by EncodeDecimalValue.
func DecodeDecimalValue(b []byte) ([]byte, *inf.Dec, error) {
if len(b) == 0 {
return nil, nil, fmt.Errorf("array is empty")
}
tag := ValueType(b[0])
b = b[1:]
switch tag {
case ValueType_DECIMAL:
d, err := encoding.DecodeNonsortingDecimal(b, nil)
return nil, d, err
case ValueType_DELIMITED_DECIMAL:
var i int64
var err error
b, _, i, err = encoding.DecodeNonsortingVarint(b)
if err != nil {
return nil, nil, err
}
d, err := encoding.DecodeNonsortingDecimal(b[:int(i)], nil)
return b[int(i):], d, err
}
return nil, nil, fmt.Errorf("value type is not %s or %s: %s", ValueType_DECIMAL, ValueType_DELIMITED_DECIMAL, tag)
}
// GetDecimal decodes a decimal value from the bytes of the receiver. If the
// tag is not DECIMAL an error will be returned.
func (v Value) GetDecimal() (*inf.Dec, error) {
if tag := v.GetTag(); tag != ValueType_DECIMAL {
return nil, fmt.Errorf("value type is not %s: %s", ValueType_DECIMAL, tag)
}
return encoding.DecodeNonsortingDecimal(v.dataBytes(), nil)
}