71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package utils
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import (
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"github.com/Unknwon/goconfig"
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"github.com/sirupsen/logrus"
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"reflect"
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"strings"
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)
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// ParseFromConfigFile parse ini file and set values by the tag of fields.
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// 'p' must be a pointer to the given structure, otherwise will panic.
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// Only process its string fields and its sub structs.
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func ParseFromConfigFile(section string, p any) {
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conf, err := goconfig.LoadConfigFile("fotff.ini")
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if err != nil {
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logrus.Warnf("load config file err: %v", err)
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}
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rv := reflect.ValueOf(p)
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rt := reflect.TypeOf(p)
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for i := 0; i < rv.Elem().NumField(); i++ {
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switch rt.Elem().Field(i).Type.Kind() {
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case reflect.String:
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key := rt.Elem().Field(i).Tag.Get("key")
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if key == "" {
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continue
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}
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var v string
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if conf != nil {
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v, err = conf.GetValue(section, key)
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}
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if conf == nil || err != nil {
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v = rt.Elem().Field(i).Tag.Get("default")
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}
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rv.Elem().Field(i).SetString(v)
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case reflect.Slice:
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if rt.Elem().Field(i).Type.Elem().Kind() != reflect.String {
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break
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}
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key := rt.Elem().Field(i).Tag.Get("key")
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if key == "" {
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continue
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}
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var v string
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if conf != nil {
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v, err = conf.GetValue(section, key)
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}
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if conf == nil || err != nil {
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v = rt.Elem().Field(i).Tag.Get("default")
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}
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rv.Elem().Field(i).Set(reflect.ValueOf(strings.Split(v, ",")))
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case reflect.Struct:
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ParseFromConfigFile(section, rv.Elem().Field(i).Addr().Interface())
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}
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}
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}
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