resources.targets

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Target Name="GenerateResourcesSource" 
      Inputs="$(StringResourcesPath);$(CommonStringResourcesPath)"
      Outputs="$(IntermediateResOutputFileFullPath);$(IntermediateCommonResOutputFileFullPath)"
      BeforeTargets="BeforeCompile">

    <GenerateStringResources ResxFilePath="$(StringResourcesPath)" GeneratedSourceOutputPath="$(IntermediateResOutputFileFullPath)" AssemblyName="$(AssemblyName)" ClassName="SR"/>
    <GenerateStringResources Condition="'$(CommonStringResourcesPath)' != ''" ResxFilePath="$(CommonStringResourcesPath)" GeneratedSourceOutputPath="$(IntermediateCommonResOutputFileFullPath)" AssemblyName="$(AssemblyName)" ClassName="SRCommon"/>

    <ItemGroup>
      <Compile Include="$(IntermediateResOutputFileFullPath)" />
      <Compile Condition="'$(CommonStringResourcesPath)' != ''" Include="$(IntermediateCommonResOutputFileFullPath)" />
    </ItemGroup>
  </Target>
  
 <UsingTask
    TaskName="GenerateStringResources"
    TaskFactory="RoslynCodeTaskFactory"
    AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll" >
    <ParameterGroup>
        <ResxFilePath Required = "true" />
        <GeneratedSourceOutputPath Required = "true" />
        <AssemblyName Required = "true" />
		<ClassName Required = "true" />
    </ParameterGroup>
    <Task>
      <Using Namespace="System"/>
      <Using Namespace="System.IO"/>
      <Using Namespace="System.Xml.Linq"/>
      <Code Type="Fragment" Language="cs">
<![CDATA[
    Log.LogMessage(MessageImportance.High, $"Reading resource file {ResxFilePath}");
    XElement resourceFile = XElement.Load(ResxFilePath);
    var resStrings = from res in resourceFile.Elements("data") select new { Key = res.Attribute("name").Value, Value = res.Element("value").Value.Replace("\"","\"\"") };
    Log.LogMessage(MessageImportance.High, $"Writing resources source file {GeneratedSourceOutputPath}");
    using(var writer = File.CreateText(GeneratedSourceOutputPath))
    {
        string indent = "    ";
        writer.WriteLine("// Do not edit this file manually it is auto-generated during the build based on the .resx file for this project.");
		writer.WriteLine("using System.Resources;");
		writer.WriteLine("using System.Runtime.CompilerServices;");
		writer.WriteLine();
        writer.WriteLine("namespace CoreWCF");
        writer.WriteLine("{");
        writer.WriteLine(indent + $"internal static partial class {ClassName}");
        writer.WriteLine(indent + "{");
        writer.WriteLine(@"
		private static ResourceManager s_resourceManager;
        internal static ResourceManager ResourceManager => s_resourceManager ??= new ResourceManager(ResourceType);
        internal static string GetResourceString(string resourceKey) => ResourceManager.GetString(resourceKey);
        internal static string Format(string resourceFormat, params object[] args) => args == null ? resourceFormat : string.Format(resourceFormat, args);
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static string Format(string resourceFormat) => resourceFormat;
        internal static string Format(string resourceFormat, object p1) => string.Format(resourceFormat, p1);
        internal static string Format(string resourceFormat, object p1, object p2) => string.Format(resourceFormat, p1, p2);
        internal static string Format(string resourceFormat, object p1, object p2, object p3) => string.Format(resourceFormat, p1, p2, p3);");
        writer.WriteLine();
		Log.LogMessage(MessageImportance.High, $"Writing {resStrings.Count()} resource strings");
        foreach(var item in resStrings)
        {
            writer.WriteLine(indent + indent + $"/// <summary>{item.Value}</summary>");
            writer.WriteLine(indent + indent + $"internal static string {item.Key} => GetResourceString(\"{item.Key}\");");
        }
        writer.WriteLine(indent + indent + $"internal static System.Type ResourceType => typeof(FxResources.{AssemblyName}.{ClassName});");
        writer.WriteLine(indent + "}");
        writer.WriteLine("}");
        writer.WriteLine();
        writer.WriteLine($"namespace FxResources.{AssemblyName}");
        writer.WriteLine("{");
        writer.WriteLine(indent + $"internal static class {ClassName} {{ }}");
        writer.WriteLine("}");
    }
]]>
      </Code>
    </Task>
  </UsingTask>
</Project>