| 1 | // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. |
| 2 | |
| 3 | using System; |
| 4 | using System.IO; |
| 5 | using System.Text; |
| 6 | |
| 7 | namespace WixToolset.Dtf.Tools.DDiff |
| 8 | { |
| 9 | public class DDiff |
| 10 | { |
| 11 | public static void Usage(TextWriter w) |
| 12 | { |
| 13 | w.WriteLine("Usage: DDiff target1 target2 [options]"); |
| 14 | w.WriteLine("Example: DDiff d:\\dir1 d:\\dir2"); |
| 15 | w.WriteLine("Example: DDiff patch1.msp patch2.msp /patchtarget target.msi"); |
| 16 | w.WriteLine(); |
| 17 | w.WriteLine("Options:"); |
| 18 | w.WriteLine(" /o [filename] Output results to text file (UTF8)"); |
| 19 | w.WriteLine(" /p [package.msi] Diff patches relative to target MSI"); |
| 20 | } |
| 21 | |
| 22 | public static int Main(string[] args) |
| 23 | { |
| 24 | if(args.Length < 2) |
| 25 | { |
| 26 | Usage(Console.Out); |
| 27 | return -1; |
| 28 | } |
| 29 | |
| 30 | string input1 = args[0]; |
| 31 | string input2 = args[1]; |
| 32 | string[] options = new string[args.Length - 2]; |
| 33 | for(int i = 0; i < options.Length; i++) options[i] = args[i+2]; |
| 34 | |
| 35 | TextWriter output = Console.Out; |
| 36 | |
| 37 | for(int i = 0; i < options.Length - 1; i++) |
| 38 | { |
| 39 | switch(options[i].ToLower()) |
| 40 | { |
| 41 | case "/o": goto case "-output"; |
| 42 | case "-o": goto case "-output"; |
| 43 | case "/output": goto case "-output"; |
| 44 | case "-output": output = new StreamWriter(options[i+1], false, Encoding.UTF8); break; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | IDiffEngineFactory diffFactory = new BestQualityDiffEngineFactory(new IDiffEngine[] |
| 49 | { |
| 50 | new DirectoryDiffEngine(), |
| 51 | new FileDiffEngine(), |
| 52 | new VersionedFileDiffEngine(), |
| 53 | new TextFileDiffEngine(), |
| 54 | new MsiDiffEngine(), |
| 55 | new CabDiffEngine(), |
| 56 | new MspDiffEngine(), |
| 57 | }); |
| 58 | |
| 59 | IDiffEngine diffEngine = diffFactory.GetDiffEngine(input1, input2, options); |
| 60 | if(diffEngine != null) |
| 61 | { |
| 62 | bool different = diffEngine.GetDiff(input1, input2, options, output, "", diffFactory); |
| 63 | return different ? 1 : 0; |
| 64 | } |
| 65 | else |
| 66 | { |
| 67 | Console.Error.WriteLine("Dont know how to diff those inputs."); |
| 68 | return -1; |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | } |