| 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 | namespace Example.Extension |
| 4 | { |
| 5 | using System; |
| 6 | using WixToolset.Extensibility; |
| 7 | using WixToolset.Extensibility.Data; |
| 8 | using WixToolset.Extensibility.Services; |
| 9 | |
| 10 | internal class ExamplePreprocessorExtensionAndCommandLine : BasePreprocessorExtension, IExtensionCommandLine |
| 11 | { |
| 12 | private string exampleValueFromCommandLine; |
| 13 | |
| 14 | public CommandLineHelp GetCommandLineHelp() |
| 15 | { |
| 16 | return new CommandLineHelp("Example command line extension", "example value", new[] |
| 17 | { |
| 18 | new CommandLineHelpSwitch("-example", "Sets an example value") |
| 19 | }); |
| 20 | } |
| 21 | |
| 22 | public ExamplePreprocessorExtensionAndCommandLine() |
| 23 | { |
| 24 | this.Prefixes = new[] { "ex" }; |
| 25 | } |
| 26 | |
| 27 | public void PreParse(ICommandLineContext context) |
| 28 | { |
| 29 | } |
| 30 | |
| 31 | public bool TryParseArgument(ICommandLineParser parser, string argument) |
| 32 | { |
| 33 | if (parser.IsSwitch(argument) && argument.Substring(1).Equals("example", StringComparison.OrdinalIgnoreCase)) |
| 34 | { |
| 35 | this.exampleValueFromCommandLine = parser.GetNextArgumentOrError(argument); |
| 36 | return true; |
| 37 | } |
| 38 | |
| 39 | return false; |
| 40 | } |
| 41 | |
| 42 | public bool TryParseCommand(ICommandLineParser parser, string argument, out ICommandLineCommand command) |
| 43 | { |
| 44 | command = null; |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | public void PostParse() |
| 49 | { |
| 50 | } |
| 51 | |
| 52 | public override string GetVariableValue(string prefix, string name) |
| 53 | { |
| 54 | if (prefix == "ex" && "test".Equals(name, StringComparison.OrdinalIgnoreCase)) |
| 55 | { |
| 56 | return String.IsNullOrWhiteSpace(this.exampleValueFromCommandLine) ? "(null)" : this.exampleValueFromCommandLine; |
| 57 | } |
| 58 | |
| 59 | return null; |
| 60 | } |
| 61 | } |
| 62 | } |