update port

vendor/github.com/mozillazg/go-unidecode/unidecode.go

@@ -0,0 +1,42 @@
+package unidecode
+
+import (
+	"strings"
+	"unicode"
+
+	"github.com/mozillazg/go-unidecode/table"
+)
+
+// Version return version
+func Version() string {
+	return "0.1.1"
+}
+
+// Unidecode implements transliterate Unicode text into plain 7-bit ASCII.
+// e.g. Unidecode("kožušček") => "kozuscek"
+func Unidecode(s string) string {
+	return unidecode(s)
+}
+
+func unidecode(s string) string {
+	ret := []string{}
+	for _, r := range s {
+		if r < unicode.MaxASCII {
+			v := string(r)
+			ret = append(ret, v)
+			continue
+		}
+		if r > 0xeffff {
+			continue
+		}
+
+		section := r >> 8   // Chop off the last two hex digits
+		position := r % 256 // Last two hex digits
+		if tb, ok := table.Tables[section]; ok {
+			if len(tb) > int(position) {
+				ret = append(ret, tb[position])
+			}
+		}
+	}
+	return strings.Join(ret, "")
+}