func parseAuditHeader()

in auparse/auparse.go [218:258]
35 lines of code
8 McCabe index (conditional complexity)

func parseAuditHeader(line string) (time.Time, uint32, int, error) {
	// Find tokens.
	start := strings.IndexRune(line, '(')
	if start == -1 {
		return time.Time{}, 0, 0, errInvalidAuditHeader
	}
	dot := strings.IndexRune(line[start:], '.')
	if dot == -1 {
		return time.Time{}, 0, 0, errInvalidAuditHeader
	}
	dot += start
	sep := strings.IndexRune(line[dot:], ':')
	if sep == -1 {
		return time.Time{}, 0, 0, errInvalidAuditHeader
	}
	sep += dot
	end := strings.IndexRune(line[sep:], ')')
	if end == -1 {
		return time.Time{}, 0, 0, errInvalidAuditHeader
	}
	end += sep

	// Parse timestamp.
	sec, err := strconv.ParseInt(line[start+1:dot], 10, 64)
	if err != nil {
		return time.Time{}, 0, 0, errInvalidAuditHeader
	}
	msec, err := strconv.ParseInt(line[dot+1:sep], 10, 64)
	if err != nil {
		return time.Time{}, 0, 0, errInvalidAuditHeader
	}
	tm := time.Unix(sec, msec*int64(time.Millisecond)).UTC()

	// Parse sequence.
	sequence, err := strconv.ParseUint(line[sep+1:end], 10, 32)
	if err != nil {
		return time.Time{}, 0, 0, errInvalidAuditHeader
	}

	return tm, uint32(sequence), end, nil
}