@joebigelow / wix-1
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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 WixToolset.Tools
4 {
5 using System;
6 using System.CodeDom;
7 using System.CodeDom.Compiler;
8 using System.Collections;
9 using System.IO;
10 using System.Xml;
11 using System.Xml.Schema;
12 using Microsoft.CSharp;
13 using WixToolset;
14
15 /// <summary>
16 /// Generates a strongly-typed C# class from an XML schema (XSD).
17 /// </summary>
18 public class XsdGen
19 {
20 private string xsdFile;
21 private string outFile;
22 private string outputNamespace;
23 private string commonNamespace;
24 private bool showHelp;
25
26 /// <summary>
27 /// Constructor for the XsdGen class.
28 /// </summary>
29 /// <param name="args">Command-line arguments passed to the program.</param>
30 private XsdGen(string[] args)
31 {
32 this.ParseCommandlineArgs(args);
33
34 // show usage information
35 if (this.showHelp)
36 {
37 Console.WriteLine("usage: XsdGen.exe <schema>.xsd <outputFile> <namespace> [<commonNamespace>]");
38 return;
39 }
40
41 // ensure that the schema file exists
42 if (!File.Exists(this.xsdFile))
43 {
44 throw new ApplicationException(String.Format("Schema file does not exist: '{0}'.", this.xsdFile));
45 }
46
47 XmlSchema document = null;
48 using (StreamReader xsdFileReader = new StreamReader(this.xsdFile))
49 {
50 document = XmlSchema.Read(xsdFileReader, new ValidationEventHandler(this.ValidationHandler));
51 }
52
53 CodeCompileUnit codeCompileUnit = StronglyTypedClasses.Generate(document, this.outputNamespace, this.commonNamespace);
54
55 using (CSharpCodeProvider codeProvider = new CSharpCodeProvider())
56 {
57 ICodeGenerator generator = codeProvider.CreateGenerator();
58
59 CodeGeneratorOptions options = new CodeGeneratorOptions();
60 options.BlankLinesBetweenMembers = true;
61 options.BracingStyle = "C";
62 options.IndentString = " ";
63
64 using (StreamWriter csharpFileWriter = new StreamWriter(this.outFile))
65 {
66 generator.GenerateCodeFromCompileUnit(codeCompileUnit, csharpFileWriter, options);
67 }
68 }
69 }
70
71 /// <summary>
72 /// The main entry point for the application.
73 /// </summary>
74 /// <param name="args">The command line arguments.</param>
75 /// <returns>The error code.</returns>
76 [STAThread]
77 public static int Main(string[] args)
78 {
79 try
80 {
81 XsdGen xsdGen = new XsdGen(args);
82 }
83 catch (Exception e)
84 {
85 Console.WriteLine("XsdGen.exe : fatal error MSF0000: {0}\r\n\r\nStack Trace:\r\n{1}", e.Message, e.StackTrace);
86 return 1;
87 }
88
89 return 0;
90 }
91
92 /// <summary>
93 /// Validation event handler.
94 /// </summary>
95 /// <param name="sender">Sender for the event.</param>
96 /// <param name="e">Event args.</param>
97 public void ValidationHandler(object sender, ValidationEventArgs e)
98 {
99 }
100
101 /// <summary>
102 /// Parse the command line arguments.
103 /// </summary>
104 /// <param name="args">Command-line arguments.</param>
105 private void ParseCommandlineArgs(string[] args)
106 {
107 if (3 > args.Length)
108 {
109 this.showHelp = true;
110 }
111 else
112 {
113 this.xsdFile = args[0];
114 this.outFile = args[1];
115 this.outputNamespace = args[2];
116
117 if (args.Length >= 4)
118 {
119 this.commonNamespace = args[3];
120 }
121 }
122 }
123 }
124 }