1 files changed, 0 insertions, 280 deletions
diff --git a/schedule/chronos.go b/schedule/chronos.go
deleted file mode 100644
index 417f3d8..0000000
--- a/schedule/chronos.go
+++ /dev/null
@@ -1,280 +0,0 @@
-package schedule
-
-import (
-	"errors"
-	"fmt"
-	"math"
-	"strconv"
-	"strings"
-	"time"
-)
-
-type TimeUnit int
-
-const timefmt = "2006-01-02 15:04:05"
-
-const (
-	Minute TimeUnit = iota
-	Hour
-	Day
-	Week
-	Month
-	Year
-)
-
-var nilTime time.Time
-
-var tuLookup = map[string]TimeUnit{
-	"Minute": Minute,
-	"Hour":   Hour,
-	"Day":    Day,
-	"Week":   Week,
-	"Month":  Month,
-	"Year":   Year,
-}
-
-func (tu TimeUnit) String() string {
-	switch tu {
-	case Minute:
-		return "Minute"
-	case Hour:
-		return "Hour"
-	case Day:
-		return "Day"
-	case Week:
-		return "Week"
-	case Month:
-		return "Month"
-	case Year:
-		return "Year"
-	default:
-		return "(Unknown TimeUnit)"
-	}
-}
-
-func (tu TimeUnit) minApprox() time.Duration {
-	const (
-		maMinute = time.Minute
-		maHour   = time.Hour
-		maDay    = 24*time.Hour - time.Second
-		maWeek   = 7 * maDay
-		maMonth  = 28 * maDay
-		maYear   = 365 * maDay
-	)
-
-	switch tu {
-	case Minute:
-		return maMinute
-	case Hour:
-		return maHour
-	case Day:
-		return maDay
-	case Week:
-		return maWeek
-	case Month:
-		return maMonth
-	case Year:
-		return maYear
-	default:
-		return 0
-	}
-}
-
-func (tu TimeUnit) maxApprox() time.Duration {
-	const (
-		maMinute = time.Minute
-		maHour   = time.Hour
-		maDay    = 24*time.Hour + time.Second
-		maWeek   = 7 * maDay
-		maMonth  = 31 * maDay
-		maYear   = 366 * maDay
-	)
-
-	switch tu {
-	case Minute:
-		return maMinute
-	case Hour:
-		return maHour
-	case Day:
-		return maDay
-	case Week:
-		return maWeek
-	case Month:
-		return maMonth
-	case Year:
-		return maYear
-	default:
-		return 0
-	}
-}
-
-type Frequency struct {
-	Unit  TimeUnit
-	Count uint
-}
-
-func (f Frequency) String() string {
-	return fmt.Sprintf("%d %s", f.Count, f.Unit)
-}
-
-func (f Frequency) addTo(t time.Time, mul uint) time.Time {
-	sec := t.Second()
-	min := t.Minute()
-	hour := t.Hour()
-	day := t.Day()
-	month := t.Month()
-	year := t.Year()
-	loc := t.Location()
-
-	fq := int(f.Count * mul)
-
-	switch f.Unit {
-	case Minute:
-		return t.Add(time.Minute * time.Duration(fq))
-	case Hour:
-		return t.Add(time.Hour * time.Duration(fq))
-	case Day:
-		return time.Date(year, month, day+fq, hour, min, sec, 0, loc)
-	case Week:
-		return time.Date(year, month, day+fq*7, hour, min, sec, 0, loc)
-	case Month:
-		return time.Date(year, month+time.Month(fq), day, hour, min, sec, 0, loc)
-	case Year:
-		return time.Date(year+fq, month, day, hour, min, sec, 0, loc)
-	default:
-		return nilTime
-	}
-}
-
-func (f Frequency) minApprox() time.Duration { return time.Duration(f.Count) * f.Unit.minApprox() }
-func (f Frequency) maxApprox() time.Duration { return time.Duration(f.Count) * f.Unit.maxApprox() }
-
-// Schedule describes a time schedule. It has a start and optional end point and an optional frequency.
-type Schedule struct {
-	Start, End time.Time
-	Freq       Frequency
-}
-
-// NextAfter calculates the next time in the schedule after t. If no such time exists, nil is returned (test with Time.IsZero()).
-func (c Schedule) NextAfter(t time.Time) time.Time {
-	if !t.After(c.Start) {
-		return c.Start
-	}
-	if c.Freq.Count == 0 {
-		return nilTime
-	}
-
-	d := t.Sub(c.Start)
-
-	fmin := uint(math.Floor(float64(d) / float64(c.Freq.maxApprox())))
-	fmax := uint(math.Ceil(float64(d) / float64(c.Freq.minApprox())))
-
-	for f := fmin; f <= fmax; f++ {
-		t2 := c.Freq.addTo(c.Start, f)
-		if t2.Before(c.Start) || t2.Before(t) {
-			continue
-		}
-		if (!c.End.IsZero()) && t2.After(c.End) {
-			return nilTime
-		}
-		return t2
-	}
-
-	return nilTime // Should actually never happen...
-}
-
-func (c Schedule) String() string {
-	s := c.Start.UTC().Format(timefmt)
-	if c.Freq.Count > 0 {
-		s += " +" + c.Freq.String()
-		if !c.End.IsZero() {
-			s += " !" + c.End.UTC().Format(timefmt)
-		}
-	}
-	return s
-}
-
-func ParseSchedule(s string) (c Schedule, err error) {
-	elems := strings.Split(s, " ")
-
-	switch len(elems) {
-	case 6: // Everything specified
-		_end := elems[4] + " " + elems[5]
-		if c.End, err = time.ParseInLocation(timefmt, _end[1:], time.UTC); err != nil {
-			return
-		}
-		fallthrough
-	case 4: // start time and frequency
-		var count uint64
-		if count, err = strconv.ParseUint(elems[2][1:], 10, 32); err != nil {
-			return
-		}
-		c.Freq.Count = uint(count)
-
-		var ok bool
-		if c.Freq.Unit, ok = tuLookup[elems[3]]; !ok {
-			err = fmt.Errorf("Unknown timeunit %s", elems[3])
-			return
-		}
-		fallthrough
-	case 2: // Only start time
-		if c.Start, err = time.ParseInLocation(timefmt, elems[0]+" "+elems[1], time.UTC); err != nil {
-			return
-		}
-	default:
-		err = errors.New("Unknown schedule format")
-	}
-
-	return
-}
-
-type MultiSchedule []Schedule
-
-func (mc MultiSchedule) NextAfter(t time.Time) time.Time {
-	var nearest time.Time
-
-	for _, c := range mc {
-		next := c.NextAfter(t)
-		if next.IsZero() {
-			continue
-		}
-
-		if nearest.IsZero() {
-			nearest = next
-		} else if next.Before(nearest) {
-			nearest = next
-		}
-	}
-
-	return nearest
-}
-
-func (mc MultiSchedule) String() (s string) {
-	sep := ""
-
-	for _, c := range mc {
-		s += sep + c.String()
-		sep = "\n"
-	}
-
-	return
-}
-
-func ParseMultiSchedule(s string) (mc MultiSchedule, err error) {
-	parts := strings.Split(s, "\n")
-	for l, _part := range parts {
-		part := strings.TrimSpace(_part)
-		if part == "" {
-			continue
-		}
-
-		c, err := ParseSchedule(part)
-		if err != nil {
-			return nil, fmt.Errorf("Line %d: %s", l+1, err)
-		}
-
-		mc = append(mc, c)
-	}
-
-	return
-}