gatus/vendor/github.com/wcharczuk/go-chart/v2/concat_series.go
2021-08-21 18:12:06 -04:00

45 lines
970 B
Go

package chart
// ConcatSeries is a special type of series that concatenates its `InnerSeries`.
type ConcatSeries []Series
// Len returns the length of the concatenated set of series.
func (cs ConcatSeries) Len() int {
total := 0
for _, s := range cs {
if typed, isValuesProvider := s.(ValuesProvider); isValuesProvider {
total += typed.Len()
}
}
return total
}
// GetValue returns the value at the (meta) index (i.e 0 => totalLen-1)
func (cs ConcatSeries) GetValue(index int) (x, y float64) {
cursor := 0
for _, s := range cs {
if typed, isValuesProvider := s.(ValuesProvider); isValuesProvider {
len := typed.Len()
if index < cursor+len {
x, y = typed.GetValues(index - cursor) //FENCEPOSTS.
return
}
cursor += typed.Len()
}
}
return
}
// Validate validates the series.
func (cs ConcatSeries) Validate() error {
var err error
for _, s := range cs {
err = s.Validate()
if err != nil {
return err
}
}
return nil
}