当提供相同方法的多个重载时,我经常不得不重复该方法的描述,这违反了DRY并增加了维护成本:
- /// <summary>
- /// Frobnicates all foos read from the given reader. Frobnication is a
- /// process where ...[lots of text]...
- /// </summary>
- /// <param name="hasBar">[Description of hasBar]</param>
- void FrobnicateFoo(TextReader reader,bool hasBar)
- {
- ...
- }
- /// <summary>
- /// Frobnicates all foos read from the given file. Frobnication is a
- /// process where ...[same lots of text]...
- /// </summary>
- /// <param name="hasBar">[Same description of hasBar]</param>
- void FrobnicateFoo(String path,bool hasBar)
- {
- ...
- }
如果重复具有相同目的的多个参数,则该问题变得更糟(作为示例给出“hasBar”).
我找到的一个“解决方法”是“引用”其他文档:
- /// <summary>
- /// Frobnicates all foos read from the given reader. Frobnication is a
- /// process where ...[lots of text]...
- /// </summary>
- /// <param name="hasBar">[Description of hasBar]</param>
- void FrobnicateFoo(TextReader reader,bool hasBar)
- {
- ...
- }
- /// <summary>
- /// Convenience method which opens the file with a UTF-8 encoding and then
- /// frobnicates all foos,see FrobnicateFoo(TextReader).
- /// </summary>
- void FrobnicateFoo(String path,bool hasBar)
- {
- ...
- }
显然,这对于图书馆的用户来说不太方便.
是否有一些内置机制(或智能策略)可以用来避免重复并让我的方法的用户轻松生活?我主要关注IntelliSense,而不是生成的HTML文档.
解决方法
实际上有一个使用XML标签的解决方案.实际上,您在XML文件中构建文档,然后将方法链接到此XML文件.这是我编写的一个小例子.
这里的解决方案是在VB.NET中,但我想将它转换为C#并不是很困难…
首先,您需要一个标准的库定义:
- ''' <summary>
- ''' This is my First class
- ''' </summary>
- ''' <remarks></remarks>
- Public Class FirstClass
- ''' <summary>
- ''' This is my first method
- ''' </summary>
- ''' <param name="A">A</param>
- ''' <returns>True</returns>
- ''' <remarks></remarks>
- Public Function FirstMethod(A As Integer) As Boolean
- Return True
- End Function
- ''' <include file="DocFile.xml" path="Doc/member[@name='SecondMethod']/*" />
- Public Function SecondMethod(A As Integer) As String
- Return "Hello"
- End Function
- ''' <include file="DocFile.xml" path="Doc/member[@name='SecondMethod']/*" />
- Public Function SecondMethod(A As Integer,B As String) As String
- Return "Hello"
- End Function
- ''' <include file="DocFile.xml" path="Doc/member[@name='SecondMethod']/*" />
- Public Function SecondMethod(A As Integer,B As String,C As Boolean) As String
- Return "Hello"
- End Function
- End Class
因此,课程和第一种方法的文档是“标准的”.对于SecondMethod,我提供了一个XML链接.
接下来你需要创建一个XML文件,这里称为DocFile.XML,你将在其中放置方法的文档:
- <Doc>
- <member name="SecondMethod">
- <summary>
- This is my second method
- </summary>
- <param name="A">a</param>
- <param name="B">b</param>
- <param name="C">c</param>
- <returns>A string containing "Hello"</returns>
- <remarks></remarks>
- </member>
- </Doc>
当你一起编译并创建文档(这里我使用SandCastle)时,它产生以下内容:
对于每种方法:
和
TLDR
>可以在XML文件中创建一次文档,并将方法链接到本文档.>您可以将许多方法链接到一个定义>案件很敏感> Visual Studio(这里我使用的是VS 2010 Express)在这个上并没有什么帮助,它不知道你在做什么.编译时,您将无法在项目的intellisense中看到它.如果您创建另一个解决方案并引用您的库,那么您将看到它.