Method DecodeBytes

decoder.go:187–211

DecodeBytes decodes a length-delimited slice of bytes from the stream and returns the value. io.ErrUnexpectedEOF is returned if the operation would read past the end of the data.

()

//
// io.ErrUnexpectedEOF is returned if the operation would read past the end of the data.
func (d *Decoder) DecodeBytes() ([]byte, error) {
	if d.offset >= len(d.p) {
		return nil, io.ErrUnexpectedEOF
	}

	l, n, err := DecodeVarint(d.p[d.offset:])
	switch {
	case err != nil:
		return nil, fmt.Errorf("invalid data at byte %d: %w", d.offset, err)
	case n == 0:
		return nil, fmt.Errorf("invalid data at byte %d: %w", d.offset, ErrInvalidVarintData)
	case l > maxFieldLen:
		return nil, fmt.Errorf("invalid length (%d) for length-delimited field at byte %d: %w", l, d.offset, ErrLenOverflow)
	default:
		// length is good
	}

	nb := int(l)
	if d.offset+n+nb > len(d.p) {
		return nil, io.ErrUnexpectedEOF
	}
	b := d.p[d.offset+n : d.offset+n+nb]
	d.offset += n + nb
	return b, nil
}

// DecodeUInt32 decodes a varint-encoded 32-bit unsigned integer from the stream and returns the value.
//