func()

in binary.go [124:172]

• 41 lines of code
• 9 McCabe index (conditional complexity)

func (d *Decoder) decBinary(flag int32) ([]byte, error) {
	var (
		err    error
		tag    byte
		length int
	)

	if flag != TAG_READ {
		tag = byte(flag)
	} else {
		tag, err = d.readBufByte()
		if err != nil {
			return nil, perrors.WithStack(err)
		}
	}

	if tag == BC_NULL {
		return []byte(""), nil
	}

	data := make([]byte, 0, 128)
	bufp := gxbytes.AcquireBytes(65536)
	defer gxbytes.ReleaseBytes(bufp)
	buf := *bufp

	for {
		length, err = d.getBinaryLength(tag)
		if err != nil {
			return nil, perrors.WithStack(err)
		}

		_, err = io.ReadFull(d.reader, buf[:length])
		if err != nil {
			return nil, perrors.WithStack(err)
		}

		data = append(data, buf[:length]...)

		if tag != BC_BINARY_CHUNK {
			break
		}

		tag, err = d.readBufByte()
		if err != nil {
			return nil, perrors.WithStack(err)
		}
	}
	return data, nil
}