package remap

/*
	Map returns a map[string]<match bytes> for regexes with named capture groups matched in bytes b.

	matches will be nil if no named capture group matches were found.
*/
func (r *ReMap) Map(b []byte) (matches map[string][]byte) {

	var m [][]byte
	var tmpMap map[string][]byte = make(map[string][]byte)

	m = r.Regexp.FindSubmatch(b)

	for idx, grpNm := range r.Regexp.SubexpNames() {
		if idx != 0 && grpNm != "" {
			tmpMap[grpNm] = m[idx]
		}
	}

	if len(tmpMap) > 0 {
		matches = tmpMap
	}

	return
}

/*
	MapString returns a map[string]<match string> for regexes with named capture groups matched in string s.

	matches will be nil if no named capture group matches were found.
*/
func (r *ReMap) MapString(s string) (matches map[string]string) {

	var m []string
	var tmpMap map[string]string = make(map[string]string)

	m = r.Regexp.FindStringSubmatch(s)

	for idx, grpNm := range r.Regexp.SubexpNames() {
		if idx != 0 && grpNm != "" {
			tmpMap[grpNm] = m[idx]
		}
	}

	if len(tmpMap) > 0 {
		matches = tmpMap
	}

	return
}