2 // cil-stringreplacer.cs
5 // Marek Safar <marek.safar@gmail.com>
7 // Copyright (C) 2016 Xamarin Inc (http://www.xamarin.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Collections.Generic;
40 public bool ShowHelp { get; set; }
41 public bool Verbose { get; set; }
42 public List<string> ResourcesStrings { get; }
46 ResourcesStrings = new List<string> ();
50 public static int Main (string[] args)
52 var options = new CmdOptions ();
54 var p = new OptionSet () {
55 { "r|resourcestrings=", "File with string resource in key=value format",
56 v => options.ResourcesStrings.Add (v) },
57 { "h|help", "Display available options",
58 v => options.ShowHelp = v != null },
59 { "v|verbose", "Use verbose output",
60 v => options.Verbose = v != null },
65 extra = p.Parse (args);
67 catch (OptionException e) {
68 Console.WriteLine (e.Message);
69 Console.WriteLine ("Try 'cil-stringreplacer -help' for more information.");
73 if (options.ShowHelp) {
78 if (extra.Count != 1) {
83 var resourcesStrings = new Dictionary<string, string> ();
84 if (!LoadGetResourceStrings (resourcesStrings, options))
87 RewriteAssembly (extra [0], resourcesStrings, options);
92 static void ShowHelp (OptionSet p)
94 Console.WriteLine ("Usage: cil-stringreplacer [options] assembly");
95 Console.WriteLine ("Rewrites all occurences of string keys with their values from string resource file");
97 Console.WriteLine ("Options:");
98 p.WriteOptionDescriptions (Console.Out);
101 static void RewriteAssembly (string assemblyLocation, Dictionary<string, string> resourcesStrings, CmdOptions options)
103 Stream pdbSymbols = null;
105 var debugSymbols = Path.ChangeExtension (assemblyLocation, "pdb");
106 if (File.Exists (debugSymbols))
107 pdbSymbols = File.Open (debugSymbols, FileMode.Open, FileAccess.ReadWrite);
109 var readerParameters = new ReaderParameters {
113 if (pdbSymbols != null) {
114 readerParameters.ReadSymbols = true;
115 readerParameters.SymbolReaderProvider = new PortablePdbReaderProvider ();
116 readerParameters.SymbolStream = pdbSymbols;
119 using (var assembly = AssemblyDefinition.ReadAssembly (assemblyLocation, readerParameters)) {
120 foreach (var module in assembly.Modules) {
121 foreach (var type in module.GetTypes ()) {
122 foreach (var method in type.Methods) {
126 foreach (var instr in method.Body.Instructions) {
127 if (instr.OpCode != OpCodes.Ldstr)
131 if (resourcesStrings.TryGetValue ((string)instr.Operand, out value)) {
132 if (options.Verbose) {
133 Console.WriteLine ($"Replacing '{instr.Operand}' with '{value}'");
136 instr.Operand = value;
143 var writerParameters = new WriterParameters ();
145 if (pdbSymbols != null) {
146 writerParameters.WriteSymbols = true;
147 writerParameters.SymbolStream = pdbSymbols;
148 writerParameters.SymbolWriterProvider = new PortablePdbWriterProvider ();
149 pdbSymbols.Seek (0, SeekOrigin.Begin);
152 assembly.Write (writerParameters);
155 pdbSymbols?.Dispose ();
158 static bool LoadGetResourceStrings (Dictionary<string, string> resourcesStrings, CmdOptions options)
160 foreach (var fileName in options.ResourcesStrings) {
161 if (!File.Exists (fileName)) {
162 Console.Error.WriteLine ($"Error reading resource file '{fileName}'");
166 foreach (var l in File.ReadLines (fileName)) {
167 var line = l.Trim ();
168 if (line.Length == 0 || line [0] == '#' || line [0] == ';')
171 var epos = line.IndexOf ('=');
175 var key = line.Substring (0, epos).Trim ();
176 var value = line.Substring (epos + 1).Trim ();
178 resourcesStrings [key] = value;