52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package interval
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import "math"
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func (intvls *intervals) Add(low, high int, obj interface{}) error {
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itvl := &Interval{
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Low: low,
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High: high,
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Object: obj,
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}
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return intvls.AddInterval(itvl)
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}
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func (intvls *intervals) AddInterval(itvl *Interval) error {
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// the first time an interval is added, we check if a self adjustment is programmed to update some control variables
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if len(intvls.Intervals) == 0 {
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if intvls.SelfAdjustMinLow {
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intvls.MinLow = math.MaxInt64
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}
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if intvls.SelfAdjustMaxHigh {
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intvls.MaxHigh = math.MinInt64
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}
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}
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low := intvls.getInclusiveLow(itvl.Low)
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high := intvls.getInclusiveHigh(itvl.High)
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err := intvls.checkValidInterval(low, high)
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if err != nil {
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return err
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}
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if intvls.SelfAdjustMaxHigh && high > intvls.MaxHigh {
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intvls.MaxHigh = high
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}
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if intvls.SelfAdjustMinLow && low < intvls.MinLow {
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intvls.MinLow = low
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}
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intvls.Intervals = append(intvls.Intervals, itvl)
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intvls.reset()
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return nil
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}
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func (intvls *intervals) reset() {
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intvls.Sorted = false
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intvls.GapsList = nil
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intvls.OverlappedList = nil
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intvls.MergeList = nil
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}
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