| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package config |
| |
| import ( |
| "fmt" |
| "regexp" |
| "strings" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| ) |
| |
| func mergeValue(str1, str2, def string) string { |
| if str1 == "" && str2 == "" { |
| return def |
| } |
| s1 := strings.Split(str1, ",") |
| s2 := strings.Split(str2, ",") |
| str := "," + strings.Join(append(s1, s2...), ",") |
| defKey := strings.Contains(str, ","+constant.DEFAULT_KEY) |
| if !defKey { |
| str = "," + constant.DEFAULT_KEY + str |
| } |
| str = strings.TrimPrefix(strings.Replace(str, ","+constant.DEFAULT_KEY, ","+def, -1), ",") |
| return removeMinus(strings.Split(str, ",")) |
| } |
| |
| func removeMinus(strArr []string) string { |
| if len(strArr) == 0 { |
| return "" |
| } |
| var normalStr string |
| var minusStrArr []string |
| for _, v := range strArr { |
| if strings.HasPrefix(v, "-") { |
| minusStrArr = append(minusStrArr, v[1:]) |
| } else { |
| normalStr += fmt.Sprintf(",%s", v) |
| } |
| } |
| normalStr = strings.Trim(normalStr, ",") |
| for _, v := range minusStrArr { |
| normalStr = strings.Replace(normalStr, v, "", 1) |
| } |
| reg := regexp.MustCompile("[,]+") |
| normalStr = reg.ReplaceAllString(strings.Trim(normalStr, ","), ",") |
| return normalStr |
| } |