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如何从继承自Microsoft.VisualStudio.TextTemplating.vshost.BaseCodeGeneratorWithSite的类访问CodeDomProvider?

codedom t4 visual-studio-2010 c#

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Charlie · 技术社区 · 14 年前

有人知道如何得到 代码提供者 在新的Microsoft.VisualStudio.TextTemplating.vsHost中。 带站点的基本代码生成器 从Visual Studio 2010 SDK?我以前只通过继承类microsoft.customtool.basecodeGeneratorWithSite就可以访问它,但现在有了这个新类,它就不存在了。我看到一个GlobalsServiceProvider和一个SiteServiceProvider,但是我找不到任何关于如何使用它们的示例。

Microsoft.VisualStudio.TextTemplating.vshost.BasecodeGeneratorWithSite: http://msdn.microsoft.com/en-us/library/bb932625.aspx

我要这么做:

public class Generator : Microsoft.VisualStudio.TextTemplating.VSHost.BaseCodeGeneratorWithSite {

    public override string GetDefaultExtension() {
        // GetDefaultExtension IS ALSO NOT ACCESSIBLE...
        return this.InputFilePath.Substring(this.InputFilePath.LastIndexOf(".")) + ".designer" + base.GetDefaultExtension();
    }

    // This method is being called every time the attached xml is saved.
    protected override byte[] GenerateCode(string inputFileName, string inputFileContent) {
        try {
            // Try to generate the wrapper file.
            return GenerateSourceCode(inputFileName);
        } catch (Exception ex) {
            // In case of a faliure - print the exception 
            // as a comment in the source code.
            return GenerateExceptionCode(ex);
        }
    }

    public byte[] GenerateSourceCode(string inputFileName) {
        Dictionary<string, CodeCompileUnit> oCodeUnits;

        // THIS IS WHERE CodeProvider IS NOT ACCESSIBLE
        CodeDomProvider oCodeDomProvider = this.CodeProvider;

        string[] aCode = new MyCustomAPI.GenerateCode(inputFileName, ref oCodeDomProvider);
        return Encoding.ASCII.GetBytes(String.Join(@"
", aCode));
    }

    private byte[] GenerateExceptionCode(Exception ex) {
        CodeCompileUnit oCode = new CodeCompileUnit();

        CodeNamespace oNamespace = new CodeNamespace("System");
        oNamespace.Comments.Add(new CodeCommentStatement(MyCustomAPI.Print(ex)));
        oCode.Namespaces.Add(oNamespace);
        string sCode = null;
        using (StringWriter oSW = new StringWriter()) {
            using (IndentedTextWriter oITW = new IndentedTextWriter(oSW)) {
                this.CodeProvider.GenerateCodeFromCompileUnit(oCode, oITW, null);
                sCode = oSW.ToString();
            }
        }
        return Encoding.ASCII.GetBytes(sCode );
    }
}

谢谢你的帮助!

1 回复 | 直到 13 年前

1

GarethJ 14 年前

您可以通过SiteServiceProvider请求SVSMDCODEDOProvider服务来访问codedomProvider。

沿着这条线的东西:

IVSMDCodeDomProvider provider = SiteServiceProvider. 
        GetService(typeof(SVSMDCodeDomProvider)) as IVSMDCodeDomProvider;

if (provider != null)
{
    codeDomProvider = provider.CodeDomProvider as CodeDomProvider;
}

SiteServiceProvider是SingleFileGenerator站点公开的有限范围服务提供程序,而GlobalServiceProvider是VS的主服务提供程序,您可以请求任何全局范围的接口。

希望这有帮助。加里斯