1*9e965d6fSRomain Jobredeaux// Copyright 2018 The Bazel Authors. All rights reserved. 2*9e965d6fSRomain Jobredeaux// 3*9e965d6fSRomain Jobredeaux// Licensed under the Apache License, Version 2.0 (the "License"); 4*9e965d6fSRomain Jobredeaux// you may not use this file except in compliance with the License. 5*9e965d6fSRomain Jobredeaux// You may obtain a copy of the License at 6*9e965d6fSRomain Jobredeaux// 7*9e965d6fSRomain Jobredeaux// http://www.apache.org/licenses/LICENSE-2.0 8*9e965d6fSRomain Jobredeaux// 9*9e965d6fSRomain Jobredeaux// Unless required by applicable law or agreed to in writing, software 10*9e965d6fSRomain Jobredeaux// distributed under the License is distributed on an "AS IS" BASIS, 11*9e965d6fSRomain Jobredeaux// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*9e965d6fSRomain Jobredeaux// See the License for the specific language governing permissions and 13*9e965d6fSRomain Jobredeaux// limitations under the License. 14*9e965d6fSRomain Jobredeaux 15*9e965d6fSRomain Jobredeaux// Package ini provides utility functions to read and write ini files. 16*9e965d6fSRomain Jobredeauxpackage ini 17*9e965d6fSRomain Jobredeaux 18*9e965d6fSRomain Jobredeauximport ( 19*9e965d6fSRomain Jobredeaux "fmt" 20*9e965d6fSRomain Jobredeaux "io" 21*9e965d6fSRomain Jobredeaux "io/ioutil" 22*9e965d6fSRomain Jobredeaux "log" 23*9e965d6fSRomain Jobredeaux "os" 24*9e965d6fSRomain Jobredeaux "sort" 25*9e965d6fSRomain Jobredeaux "strings" 26*9e965d6fSRomain Jobredeaux) 27*9e965d6fSRomain Jobredeaux 28*9e965d6fSRomain Jobredeauxfunc parse(in string) map[string]string { 29*9e965d6fSRomain Jobredeaux m := make(map[string]string) 30*9e965d6fSRomain Jobredeaux lines := strings.Split(in, "\n") 31*9e965d6fSRomain Jobredeaux for i, l := range lines { 32*9e965d6fSRomain Jobredeaux l = strings.TrimSpace(l) 33*9e965d6fSRomain Jobredeaux if len(l) == 0 { 34*9e965d6fSRomain Jobredeaux // Skip empty line 35*9e965d6fSRomain Jobredeaux continue 36*9e965d6fSRomain Jobredeaux } 37*9e965d6fSRomain Jobredeaux if strings.HasPrefix(l, ";") || strings.HasPrefix(l, "#") { 38*9e965d6fSRomain Jobredeaux // Skip comment 39*9e965d6fSRomain Jobredeaux continue 40*9e965d6fSRomain Jobredeaux } 41*9e965d6fSRomain Jobredeaux kv := strings.SplitN(l, "=", 2) 42*9e965d6fSRomain Jobredeaux if len(kv) < 2 { 43*9e965d6fSRomain Jobredeaux log.Printf("Invalid line in ini file at line:%v %q\n", i, l) 44*9e965d6fSRomain Jobredeaux // Skip invalid line 45*9e965d6fSRomain Jobredeaux continue 46*9e965d6fSRomain Jobredeaux } 47*9e965d6fSRomain Jobredeaux k := strings.TrimSpace(kv[0]) 48*9e965d6fSRomain Jobredeaux v := strings.TrimSpace(kv[1]) 49*9e965d6fSRomain Jobredeaux if ov, ok := m[k]; ok { 50*9e965d6fSRomain Jobredeaux log.Printf("Overwrite \"%s=%s\", duplicate found at line:%v %q\n", k, ov, i, l) 51*9e965d6fSRomain Jobredeaux } 52*9e965d6fSRomain Jobredeaux m[k] = v 53*9e965d6fSRomain Jobredeaux } 54*9e965d6fSRomain Jobredeaux return m 55*9e965d6fSRomain Jobredeaux} 56*9e965d6fSRomain Jobredeaux 57*9e965d6fSRomain Jobredeauxfunc write(f io.Writer, m map[string]string) { 58*9e965d6fSRomain Jobredeaux var keys []string 59*9e965d6fSRomain Jobredeaux for k := range m { 60*9e965d6fSRomain Jobredeaux keys = append(keys, k) 61*9e965d6fSRomain Jobredeaux } 62*9e965d6fSRomain Jobredeaux sort.Strings(keys) 63*9e965d6fSRomain Jobredeaux for _, k := range keys { 64*9e965d6fSRomain Jobredeaux fmt.Fprintf(f, "%s=%s\n", k, m[k]) 65*9e965d6fSRomain Jobredeaux } 66*9e965d6fSRomain Jobredeaux} 67*9e965d6fSRomain Jobredeaux 68*9e965d6fSRomain Jobredeaux// Read reads an ini file. 69*9e965d6fSRomain Jobredeauxfunc Read(n string) (map[string]string, error) { 70*9e965d6fSRomain Jobredeaux c, err := ioutil.ReadFile(n) 71*9e965d6fSRomain Jobredeaux if err != nil { 72*9e965d6fSRomain Jobredeaux return nil, err 73*9e965d6fSRomain Jobredeaux } 74*9e965d6fSRomain Jobredeaux return parse(string(c)), nil 75*9e965d6fSRomain Jobredeaux} 76*9e965d6fSRomain Jobredeaux 77*9e965d6fSRomain Jobredeaux// Write writes an ini file. 78*9e965d6fSRomain Jobredeauxfunc Write(n string, m map[string]string) error { 79*9e965d6fSRomain Jobredeaux f, err := os.Create(n) 80*9e965d6fSRomain Jobredeaux if err != nil { 81*9e965d6fSRomain Jobredeaux return err 82*9e965d6fSRomain Jobredeaux } 83*9e965d6fSRomain Jobredeaux defer f.Close() 84*9e965d6fSRomain Jobredeaux write(f, m) 85*9e965d6fSRomain Jobredeaux return nil 86*9e965d6fSRomain Jobredeaux} 87