Function ParseFuzziness

pkg/uquery/query/fuzzy.go:92–132

(fuzziness interface{}, query string, zer *analysis.Analyzer)

}

func ParseFuzziness(fuzziness interface{}, query string, zer *analysis.Analyzer) int {
	val, _ := zutils.ToString(fuzziness)
	val = strings.ToUpper(val)
	if !strings.HasPrefix(val, "AUTO") {
		v, _ := zutils.ToInt(val)
		return v
	}

	if zer == nil {
		zer = analyzer.NewStandardAnalyzer()
	}
	tokens := zer.Analyze([]byte(query))
	n := 0
	for _, token := range tokens {
		if n < len(token.Term) {
			n = len(token.Term)
		}
	}

	n1 := 3
	n2 := 6
	if strings.Contains(val, ":") && strings.Contains(val, ",") {
		val := strings.TrimPrefix(val, "AUTO:")
		vals := strings.Split(val, ",")
		if len(vals) == 2 {
			n1, _ = zutils.ToInt(vals[0])
			n2, _ = zutils.ToInt(vals[1])
			if n1 < 2 || n1 >= n2 {
				return 0
			}
		}
	}

	v := 0
	if n >= n2 {
		v = 2
	} else if n >= n1 {
		v = 1
	}
	return v
}