return errMalformedXML(err)
	}

	parsedType := CompressionType(strings.ToUpper(s))
	if s == "" || parsedType == "NONE" {
		parsedType = noneType
	}

	switch parsedType {
	case noneType, gzipType, bzip2Type, snappyType, s2Type, zstdType, lz4Type:
	default:
		return errInvalidCompressionFormat(fmt.Errorf("invalid compression format '%v'", s))
	}

	*c = parsedType