Function stringFixedDistanceCandidateStart

stringprefixfilter.go:384–397

(input string, startAt, byteIndex, distance int)

}

func stringFixedDistanceCandidateStart(input string, startAt, byteIndex, distance int) (int, bool) {
	candidateByteIndex := byteIndex
	for i := 0; i < distance; i++ {
		if candidateByteIndex <= startAt {
			return 0, false
		}
		_, size := utf8.DecodeLastRuneInString(input[:candidateByteIndex])
		if size == 0 {
			return 0, false
		}
		candidateByteIndex -= size
	}
	return candidateByteIndex, true
}

func (re *Regexp) findStringPrefixCandidate(input string, startAt int) (candidateByteIndex int, ok bool) {
	if re.stringPrefixFilter == nil || re.RightToLeft() {