在元数据值上使用Item函数 [英] Using Item functions on metadata values

问题描述

背景:我管理的解决方案相当大.人们常常在解决方案中向项目中添加DLL参考，他们应该在其中添加项目参考.在这种情况下，我想发出警告.我想通过在他们的HintPath *中找到所有带有'bin \ debug'的引用来做到这一点.我知道引用是ItemGroup中的Items，其元数据为"HintPath".

Background: I manage a fairly large solution. Every so often, people add a DLL reference to a project in the solution where they should've added a project reference. I want to issue a warning in such case. I want to do it by finding all reference with 'bin\debug' in their HintPath*. I know that references are Items in ItemGroup, with metadata "HintPath".

我希望这样的事情能起作用:

I expected something like this to work:

<Warning Text="Reference %(Reference.Identity) should be a project reference. HintPath: %(Reference.HintPath)"
         Condition="%(Reference.HintPath).IndexOf('bin\debug') != -1"/>

但是，似乎我不能像这样使用字符串函数IndexOf.我尝试了上述方法的许多排列，但均未成功.

However, Seems like I can't use string function IndexOf like that. I tried many permutations of the above, without success.

• 我知道此检查不是完全验证的，但我只是想减少诚实的错误.

推荐答案

使用MSBuild 4.0 属性函数可以进行字符串比较:

Using MSBuild 4.0 Property Functions it is possible to do string comparisons:

<Target Name="AfterBuild">

  <Message Text="Checking reference... '%(Reference.HintPath)'" Importance="high" />

  <Warning Text="Reference %(Reference.Identity) should be a project reference. HintPath: %(Reference.HintPath)"
            Condition="$([System.String]::new('%(Reference.HintPath)').Contains('\bin\$(Configuration)'))" />

</Target>

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