ResGen.targets

<Project InitialTargets="EmbedFileAsStringResources">
    <Target Name="EmbedFileAsStringResources"
            BeforeTargets="Build">
        <ItemGroup>
            <EmbeddedResource Include="@(FileAsStringResource)">
                <LogicalName>%(Identity)</LogicalName>
                <ManifestResourceName>%(Identity)</ManifestResourceName>
            </EmbeddedResource>
        </ItemGroup>
    </Target>

    <Target Name="BuildResourceAccessorGeneratorTool">
        <!-- use Properties="_NeverMind=Me" according this issue https://github.com/Microsoft/msbuild/issues/2455#issuecomment-323575719 -->
        <MSBuild Projects="$(MSBuildThisFileDirectory)ResourceAccessGenerator.csproj"
                 Targets="Restore"
                 Properties="_NeverMind=Me;TargetFramework=net6.0"
        />
        <MSBuild Projects="$(MSBuildThisFileDirectory)ResourceAccessGenerator.csproj"
                 Targets="Build"
                 Properties="Configuration=Release; TargetFramework=net6.0">
            <Output TaskParameter="TargetOutputs"
                    PropertyName="ResourceAccessorGeneratorTool"/>
        </MSBuild>
    </Target>

    <!--
    Inputs/Outputs used to execute target for each FileAsStringResource independently,
    but incremental build ignores added/removed files after VCS checkout and does not regenerate resource accessors,
    so Outputs refers to files that will never exist 
    -->
    <Target Name="GenerateResourceAccessors"
            DependsOnTargets="BuildResourceAccessorGeneratorTool"
            BeforeTargets="DispatchToInnerBuilds;BeforeBuild"
            Inputs="@(FileAsStringResource)"
            Outputs="%(ClassName).NonExistingFile">
        <PropertyGroup>
            <GeneratedResourceAccessorDirectory>Generated</GeneratedResourceAccessorDirectory>
            <GeneratedResourceAccessorFileName>$([System.IO.Path]::Combine($(GeneratedResourceAccessorDirectory),%(FileAsStringResource.ClassName).cs))</GeneratedResourceAccessorFileName>
            <GeneratorResourceSpec>@(FileAsStringResource->'%(Identity)|%(ClassName)|%(Filename)', '||')</GeneratorResourceSpec>
            <GeneratorAnnotations>%(FileAsStringResource.Annotations)</GeneratorAnnotations>
        </PropertyGroup>
        
        <!-- run target once in multi-targeting build - see https://github.com/Microsoft/msbuild/issues/2781#issuecomment-350118208 -->
        <MSBuild Projects="$(MSBuildProjectFile)"
                 Targets="ExecuteResourceAccessorGeneratorTool"
                 Properties="TargetFramework=once;GeneratedResourceAccessorDirectory=$(GeneratedResourceAccessorDirectory);GeneratedResourceAccessorFileName=$(GeneratedResourceAccessorFileName);ResourceAccessorGeneratorTool=$(ResourceAccessorGeneratorTool);GeneratorResourceSpec=$(GeneratorResourceSpec);GeneratorAnnotations=$(GeneratorAnnotations)"/>
        
        <ItemGroup>
            <Compile Remove="$(GeneratedResourceAccessorFileName)"/>
            <Compile Include="$(GeneratedResourceAccessorFileName)"/>
        </ItemGroup>
    </Target>

    <Target Name="ExecuteResourceAccessorGeneratorTool">
        <MakeDir Directories="$(GeneratedResourceAccessorDirectory)"/>
        <Exec Command="dotnet &quot;$(ResourceAccessorGeneratorTool)&quot; &quot;ResourceSpec=$(GeneratorResourceSpec)&quot; &quot;Annotations=$(GeneratorAnnotations)&quot; &gt; &quot;$(GeneratedResourceAccessorFileName)&quot;"
              ConsoleToMSBuild="true"/>
    </Target>
</Project>