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utils.go
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/
utils.go
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package main
import (
"encoding/json"
"regexp"
"strconv"
"strings"
)
func stringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
func tryParseJsonStringArray(jsonString string) (resultArray []string, err error) {
err = json.Unmarshal([]byte(jsonString), &resultArray)
return
}
func toRegexArray (regexStringsAsJson string) (regexArr []*regexp.Regexp, error error) {
stringArr, err := tryParseJsonStringArray(regexStringsAsJson)
if err == nil {
error = nil
for _, regexString := range stringArr {
curRegex, err := regexp.Compile(regexString)
if err == nil {
regexArr = append(regexArr, curRegex)
} else {
regexArr = make([]*regexp.Regexp, 0)
error = err
return
}
}
} else {
regexArr = make([]*regexp.Regexp, 0)
error = err
return
}
return
}
func extractMatches(stringsSlice []string, regexesList []*regexp.Regexp) (result []string) {
for _, curString := range stringsSlice {
for _, curRegex := range regexesList {
if curRegex.Match([]byte(curString)) {
result = append(result, curString)
break
}
}
}
return
}
func parseIntArrFromString(intArrString, delimiter string) []int64 {
res := make([]int64, 0)
for _, numAsStr := range strings.Split(intArrString, delimiter) {
numAsInt, err := strconv.ParseInt(numAsStr, 10, 64)
if err != nil {
panic("Could not parse the given string array to an int array")
}
res = append(res, numAsInt)
}
return res
}