flag_parser.go

package src

import (
	"math"
	"regexp"
	"strings"
	"strconv"
)



func createUnits() {
	unitsMap := make(map[string]float64)
	TERA := math.Pow10(12)
	GIGA := math.Pow10(9)
	MEGA := math.Pow10(6)
	KILO := math.Pow10(3)

	unitsMap["TB"] = TERA
	unitsMap["GB"] = GIGA
	unitsMap["MB"] = MEGA
	unitsMap["KB"] = KILO
	unitsMap["B"] = 1

	unitsMap["GBps"] = GIGA
	unitsMap["MBps"] = MEGA
	unitsMap["KBps"] = KILO
	unitsMap["Bps"] = 1

	unitsMap["Gf"] = GIGA
	unitsMap["Mf"] = MEGA
	unitsMap["Kf"] = KILO
	unitsMap["f"] = 1

	TATLIN.units = unitsMap
}

func UnitToFloatParser(value string) float64 {
	re := regexp.MustCompile("\\d*\\.?\\d*")
	numericValue := re.FindString(value)
	unit := strings.Replace(value, numericValue, "", 1)
	convertedNum, _ := strconv.ParseFloat(numericValue, 64)
	multiplier, err := TATLIN.units[unit]
	if !err {
		panic("PARSED incorrectly")
	}
	return convertedNum * multiplier
}