使用多个项目生成Xml文件来显示帮助文档

 1 public class MultiXmlDocumentationProvider : IDocumentationProvider, IModelDocumentationProvider
 2 {
 3     /********* 
 4     ** Properties 
 5     *********/
 6     /// <summary>The internal documentation providers for specific files.</summary>  
 7     private readonly XmlDocumentationProvider[] Providers;
 8 
 9 
10     /********* 
11     ** Public methods 
12     *********/
13     /// <summary>Construct an instance.</summary>  
14     /// <param name="paths">The physical paths to the XML documents.</param>  
15     public MultiXmlDocumentationProvider(params string[] paths)
16     {
17         this.Providers = paths.Select(p => new XmlDocumentationProvider(p)).ToArray();
18     }
19 
20     /// <summary>Gets the documentation for a subject.</summary>  
21     /// <param name="subject">The subject to document.</param>  
22     public string GetDocumentation(MemberInfo subject)
23     {
24         return this.GetFirstMatch(p => p.GetDocumentation(subject));
25     }
26 
27     /// <summary>Gets the documentation for a subject.</summary>  
28     /// <param name="subject">The subject to document.</param>  
29     public string GetDocumentation(Type subject)
30     {
31         return this.GetFirstMatch(p => p.GetDocumentation(subject));
32     }
33 
34     /// <summary>Gets the documentation for a subject.</summary>  
35     /// <param name="subject">The subject to document.</param>  
36     public string GetDocumentation(HttpControllerDescriptor subject)
37     {
38         return this.GetFirstMatch(p => p.GetDocumentation(subject));
39     }
40 
41     /// <summary>Gets the documentation for a subject.</summary>  
42     /// <param name="subject">The subject to document.</param>  
43     public string GetDocumentation(HttpActionDescriptor subject)
44     {
45         return this.GetFirstMatch(p => p.GetDocumentation(subject));
46     }
47 
48     /// <summary>Gets the documentation for a subject.</summary>  
49     /// <param name="subject">The subject to document.</param>  
50     public string GetDocumentation(HttpParameterDescriptor subject)
51     {
52         return this.GetFirstMatch(p => p.GetDocumentation(subject));
53     }
54 
55     /// <summary>Gets the documentation for a subject.</summary>  
56     /// <param name="subject">The subject to document.</param>  
57     public string GetResponseDocumentation(HttpActionDescriptor subject)
58     {
59         return this.GetFirstMatch(p => p.GetDocumentation(subject));
60     }
61 
62 
63     /********* 
64     ** Private methods 
65     *********/
66     /// <summary>Get the first valid result from the collection of XML documentation providers.</summary>  
67     /// <param name="expr">The method to invoke.</param>  
68     private string GetFirstMatch(Func<XmlDocumentationProvider, string> expr)
69     {
70         return this.Providers
71             .Select(expr)
72             .FirstOrDefault(p => !String.IsNullOrWhiteSpace(p));
73     }
74 }

1 //config.SetDocumentationProvider(new XmlDocumentationProvider(HttpContext.Current.Server.MapPath("~/App_Data/XmlDocument.xml")));
2 config.SetDocumentationProvider(new MultiXmlDocumentationProvider(HttpContext.Current.Server.MapPath("~/App_Data/XmlDocument.xml"), HttpContext.Current.Server.MapPath("~/App_Data/Api.xml")));