Example #1
0
func (d *Decoder) query(q *queryResult) error {
	q.nextKey()
	if q.key == "" {
		v, err := d.DecodeInterface()
		if err != nil {
			return err
		}
		q.values = append(q.values, v)
		return nil
	}

	code, err := d.PeekCode()
	if err != nil {
		return err
	}

	switch {
	case code == codes.Map16 || code == codes.Map32 || codes.IsFixedMap(code):
		err = d.queryMapKey(q)
	case code == codes.Array16 || code == codes.Array32 || codes.IsFixedArray(code):
		err = d.queryArrayIndex(q)
	default:
		err = fmt.Errorf("msgpack: unsupported code=%x decoding key=%q", code, q.key)
	}
	return err
}
Example #2
0
// Decodes value into interface. Possible value types are:
//   - nil,
//   - int64,
//   - uint64,
//   - bool,
//   - float32 and float64,
//   - string,
//   - slices of any of the above,
//   - maps of any of the above.
func (d *Decoder) DecodeInterface() (interface{}, error) {
	c, err := d.r.ReadByte()
	if err != nil {
		return nil, err
	}

	if codes.IsFixedNum(c) {
		if c >= 0 {
			return d.uint(c)
		}
		return d.int(c)
	}
	if codes.IsFixedMap(c) {
		d.r.UnreadByte()
		return d.DecodeMap()
	}
	if codes.IsFixedArray(c) {
		d.r.UnreadByte()
		return d.DecodeSlice()
	}
	if codes.IsFixedString(c) {
		return d.string(c)
	}

	switch c {
	case codes.Nil:
		return nil, nil
	case codes.False, codes.True:
		return d.bool(c)
	case codes.Float:
		return d.float32(c)
	case codes.Double:
		return d.float64(c)
	case codes.Uint8, codes.Uint16, codes.Uint32, codes.Uint64:
		return d.uint(c)
	case codes.Int8, codes.Int16, codes.Int32, codes.Int64:
		return d.int(c)
	case codes.Bin8, codes.Bin16, codes.Bin32:
		return d.bytes(c)
	case codes.Str8, codes.Str16, codes.Str32:
		return d.string(c)
	case codes.Array16, codes.Array32:
		d.r.UnreadByte()
		return d.DecodeSlice()
	case codes.Map16, codes.Map32:
		d.r.UnreadByte()
		return d.DecodeMap()
	case codes.FixExt1, codes.FixExt2, codes.FixExt4, codes.FixExt8, codes.FixExt16, codes.Ext8, codes.Ext16, codes.Ext32:
		return d.ext(c)
	}

	return 0, fmt.Errorf("msgpack: unknown code %x decoding interface{}", c)
}
Example #3
0
// Decodes value into interface. Possible value types are:
//   - nil,
//   - int64,
//   - uint64,
//   - bool,
//   - float32 and float64,
//   - string,
//   - slices of any of the above,
//   - maps of any of the above.
func (d *Decoder) DecodeInterface() (interface{}, error) {
	c, err := d.peekCode()
	if err != nil {
		return nil, err
	}

	if codes.IsFixedNum(c) {
		return d.DecodeInt64()
	} else if codes.IsFixedMap(c) {
		return d.DecodeMap()
	} else if codes.IsFixedArray(c) {
		return d.DecodeSlice()
	} else if codes.IsFixedString(c) {
		return d.DecodeString()
	}

	switch c {
	case codes.Nil:
		_, err := d.r.ReadByte()
		return nil, err
	case codes.False, codes.True:
		return d.DecodeBool()
	case codes.Float:
		return d.DecodeFloat32()
	case codes.Double:
		return d.DecodeFloat64()
	case codes.Uint8, codes.Uint16, codes.Uint32, codes.Uint64:
		return d.DecodeUint64()
	case codes.Int8, codes.Int16, codes.Int32, codes.Int64:
		return d.DecodeInt64()
	case codes.Bin8, codes.Bin16, codes.Bin32:
		return d.DecodeBytes()
	case codes.Str8, codes.Str16, codes.Str32:
		return d.DecodeString()
	case codes.Array16, codes.Array32:
		return d.DecodeSlice()
	case codes.Map16, codes.Map32:
		return d.DecodeMap()
	case codes.FixExt1, codes.FixExt2, codes.FixExt4, codes.FixExt8, codes.FixExt16, codes.Ext8, codes.Ext16, codes.Ext32:
		return d.decodeExt()
	}

	return 0, fmt.Errorf("msgpack: invalid code %x decoding interface{}", c)
}
Example #4
0
// Skip skips next value.
func (d *Decoder) Skip() error {
	c, err := d.r.ReadByte()
	if err != nil {
		return err
	}

	if codes.IsFixedNum(c) {
		return nil
	} else if codes.IsFixedMap(c) {
		return d.skipMap(c)
	} else if codes.IsFixedArray(c) {
		return d.skipSlice(c)
	} else if codes.IsFixedString(c) {
		return d.skipBytes(c)
	}

	switch c {
	case codes.Nil, codes.False, codes.True:
		return nil
	case codes.Uint8, codes.Int8:
		return d.skipN(1)
	case codes.Uint16, codes.Int16:
		return d.skipN(2)
	case codes.Uint32, codes.Int32, codes.Float:
		return d.skipN(4)
	case codes.Uint64, codes.Int64, codes.Double:
		return d.skipN(8)
	case codes.Bin8, codes.Bin16, codes.Bin32:
		return d.skipBytes(c)
	case codes.Str8, codes.Str16, codes.Str32:
		return d.skipBytes(c)
	case codes.Array16, codes.Array32:
		return d.skipSlice(c)
	case codes.Map16, codes.Map32:
		return d.skipMap(c)
	case codes.FixExt1, codes.FixExt2, codes.FixExt4, codes.FixExt8, codes.FixExt16, codes.Ext8, codes.Ext16, codes.Ext32:
		return d.skipExt(c)
	}

	return fmt.Errorf("msgpack: unknown code %x", c)
}