| /** |
| * 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 newtutil |
| |
| import ( |
| "fmt" |
| "sort" |
| "strconv" |
| "strings" |
| |
| "mynewt.apache.org/newt/util" |
| "mynewt.apache.org/newt/viper" |
| ) |
| |
| var NewtVersionStr string = "Apache Newt (incubating) version: 0.9.0" |
| var NewtBlinkyTag string = "mynewt_0_9_0_tag" |
| |
| func GetStringFeatures(v *viper.Viper, features map[string]bool, |
| key string) string { |
| val := v.GetString(key) |
| |
| // Process the features in alphabetical order to ensure consistent |
| // results across repeated runs. |
| var featureKeys []string |
| for feature, _ := range features { |
| featureKeys = append(featureKeys, feature) |
| } |
| sort.Strings(featureKeys) |
| |
| for _, feature := range featureKeys { |
| overwriteVal := v.GetString(key + "." + feature + ".OVERWRITE") |
| if overwriteVal != "" { |
| val = strings.Trim(overwriteVal, "\n") |
| break |
| } |
| |
| appendVal := v.GetString(key + "." + feature) |
| if appendVal != "" { |
| val += " " + strings.Trim(appendVal, "\n") |
| } |
| } |
| return strings.TrimSpace(val) |
| } |
| |
| func GetBoolFeatures(v *viper.Viper, features map[string]bool, |
| key string) (bool, error) { |
| |
| s := GetStringFeatures(v, features, key) |
| if s == "" { |
| return false, nil |
| } |
| |
| b, err := strconv.ParseBool(s) |
| if err != nil { |
| return false, util.FmtNewtError("invalid bool value for %s: %s", |
| key, s) |
| } |
| |
| return b, nil |
| } |
| |
| func GetStringSliceFeatures(v *viper.Viper, features map[string]bool, |
| key string) []string { |
| |
| val := v.GetStringSlice(key) |
| |
| // string empty items |
| result := []string{} |
| for _, item := range val { |
| if item == "" || item == " " { |
| continue |
| } |
| result = append(result, item) |
| } |
| |
| for item, _ := range features { |
| overwriteVal := v.GetStringSlice(key + "." + item + ".OVERWRITE") |
| if overwriteVal != nil { |
| result = overwriteVal |
| break |
| } |
| |
| result = append(result, v.GetStringSlice(key+"."+item)...) |
| } |
| |
| return result |
| } |
| |
| // Parses a string of the following form: |
| // [@repo]<path/to/package> |
| // |
| // @return string repo name ("" if no repo) |
| // string package name |
| // error if invalid package string |
| func ParsePackageString(pkgStr string) (string, string, error) { |
| if strings.HasPrefix(pkgStr, "@") { |
| nameParts := strings.SplitN(pkgStr[1:], "/", 2) |
| if len(nameParts) == 1 { |
| return "", "", util.NewNewtError(fmt.Sprintf("Invalid package "+ |
| "string; contains repo but no package name: %s", pkgStr)) |
| } else { |
| return nameParts[0], nameParts[1], nil |
| } |
| } else { |
| return "", pkgStr, nil |
| } |
| } |
| |
| func BuildPackageString(repoName string, pkgName string) string { |
| if repoName != "" { |
| return "@" + repoName + "/" + pkgName |
| } else { |
| return pkgName |
| } |
| } |