Method extractTime

pkg/parser/schedule_parser.go:479–508

extractTime extracts the time specification from tokens starting at startPos Returns the time string (HH:MM, midnight, or noon) with optional UTC offset

(startPos int)

// extractTime extracts the time specification from tokens starting at startPos
// Returns the time string (HH:MM, midnight, or noon) with optional UTC offset
func (p *ScheduleParser) extractTime(startPos int) (string, error) {
	if startPos >= len(p.tokens) {
		return "", errors.New("expected time specification")
	}

	// Check for "at" keyword
	if p.tokens[startPos] == "at" {
		startPos++
		if startPos >= len(p.tokens) {
			return "", errors.New("expected time after 'at'")
		}
	}

	timeTokens := []string{p.tokens[startPos]}
	nextIndex := startPos + 1
	if nextIndex < len(p.tokens) && isAMPMToken(p.tokens[nextIndex]) {
		timeTokens = append(timeTokens, p.tokens[nextIndex])
		nextIndex++
	}
	if nextIndex < len(p.tokens) {
		timezoneToken := strings.ToLower(p.tokens[nextIndex])
		if strings.HasPrefix(timezoneToken, "utc") {
			timeTokens = append(timeTokens, timezoneToken)
		} else if normalized, ok := normalizeTimezoneAbbreviation(timezoneToken); ok {
			timeTokens = append(timeTokens, normalized)
		}
	}

	return normalizeTimeTokens(timeTokens), nil
}

// extractTimeBetween extracts a time specification from tokens between startPos and endPos (exclusive)
// Used for parsing the start time in "between START and END" clauses