2023-06-06 18:29:56 +05:30

54 lines
1.6 KiB
Go

package converter
// Unit represents a unit of measurement
type Unit string
// Value represents a value with a unit of measurement
type Value struct {
F float64
U Unit
}
// Converter converts values from one unit to another
type Converter interface {
Convert(v Value, to Unit) Value
}
// noneConverter is a converter that does not convert
type noneConverter struct{}
func (c *noneConverter) Convert(v Value, to Unit) Value {
return v
}
// Converters
var (
DurationConverter = NewDurationConverter()
DataConverter = NewDataConverter()
DataRateConverter = NewDataRateConverter()
PercentConverter = NewPercentConverter()
BoolConverter = NewBoolConverter()
ThroughputConverter = NewThroughputConverter()
NoneConverter = &noneConverter{}
)
// FromUnit returns a converter for the given unit
func FromUnit(u Unit) Converter {
switch u {
case "ns", "us", "ms", "s", "m", "h", "d":
return DurationConverter
case "bytes", "decbytes", "bits", "decbits", "kbytes", "decKbytes", "mbytes", "decMbytes", "gbytes", "decGbytes", "tbytes", "decTbytes", "pbytes", "decPbytes":
return DataConverter
case "binBps", "Bps", "binbps", "bps", "KiBs", "Kibits", "KBs", "Kbits", "MiBs", "Mibits", "MBs", "Mbits", "GiBs", "Gibits", "GBs", "Gbits", "TiBs", "Tibits", "TBs", "Tbits", "PiBs", "Pibits", "PBs", "Pbits":
return DataRateConverter
case "percent", "percentunit":
return PercentConverter
case "bool", "bool_yes_no", "bool_true_false", "bool_1_0":
return BoolConverter
case "cps", "ops", "reqps", "rps", "wps", "iops", "cpm", "opm", "rpm", "wpm":
return ThroughputConverter
default:
return NoneConverter
}
}