Add vendor github.com/dfordsoft/golib/ic

vendor/github.com/dfordsoft/golib/ic/ic.go

@@ -0,0 +1,31 @@
+package ic
+
+import "log"
+
+// Convert convert bytes from CJK or UTF-8 to UTF-8 or CJK
+func Convert(from string, to string, src []byte) []byte {
+	if to == "utf-8" {
+		out, e := ToUTF8(from, src)
+		if e == nil {
+			return out
+		}
+		log.Printf("converting from %s to UTF-8 failed: %v", from, e)
+		return src
+	}
+
+	if from == "utf-8" {
+		out, e := FromUTF8(to, src)
+		if e == nil {
+			return out
+		}
+		log.Printf("converting from UTF-8 to %s failed: %v", to, e)
+		return src
+	}
+	log.Println("only converting between CJK encodings and UTF-8 is supported")
+	return src
+}
+
+// ConvertString convert string from CJK or UTF-8 to UTF-8 or CJK
+func ConvertString(from string, to string, src string) string {
+	return string(Convert(from, to, []byte(src)))
+}