Fix generation of the docs/api

Author: AndreyAkinshin

build/Program.cs

@@ -1,6 +1,9 @@
+using System;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using System.Text;
+using System.Threading.Tasks;
 using Build;
 using Cake.Common;
 using Cake.Common.Build;
@@ -195,10 +198,46 @@ public void RunDocfx(FilePath docfxJson)
 
         var currentDirectory = Directory.GetCurrentDirectory();
         Directory.SetCurrentDirectory(docfxJson.GetDirectory().FullPath);
+        DocfxGenerateMetadata(docfxJson.FullPath);
         Microsoft.DocAsCode.Docset.Build(docfxJson.FullPath).Wait();
         Directory.SetCurrentDirectory(currentDirectory);
     }
 
+    private void DocfxGenerateMetadata(string configPath)
+    {
+        Microsoft.DocAsCode.Common.Logger.RegisterListener(new Microsoft.DocAsCode.Common.ConsoleLogListener());
+        try
+        {
+            string directoryName = System.IO.Path.GetDirectoryName(System.IO.Path.GetFullPath(configPath));
+            Newtonsoft.Json.Linq.JToken jtoken;
+            if (!Newtonsoft.Json.Linq.JObject.Parse(File.ReadAllText(configPath)).TryGetValue("metadata", out jtoken))
+                return;
+
+            var dotnetApiCatalogType = typeof(Microsoft.DocAsCode.Dotnet.DotnetApiOptions).Assembly.GetTypes()
+                .First(t => t.Name == "DotnetApiCatalog");
+            var dotnetApiCatalogExecMethod = dotnetApiCatalogType.GetMethod("Exec", BindingFlags.Static | BindingFlags.NonPublic);
+            var metadataJsonConfigType = typeof(Microsoft.DocAsCode.Dotnet.DotnetApiOptions).Assembly.GetTypes()
+                .First(t => t.Name == "MetadataJsonConfig");
+
+            var config = jtoken.ToObject(metadataJsonConfigType, Microsoft.DocAsCode.Common.JsonUtility.DefaultSerializer.Value);
+
+            var execTask = (Task)dotnetApiCatalogExecMethod.Invoke(null, new[]
+            {
+                config,
+                new Microsoft.DocAsCode.Dotnet.DotnetApiOptions(),
+                directoryName,
+                null
+            });
+            execTask.Wait();
+        }
+        finally
+        {
+            Microsoft.DocAsCode.Common.Logger.Flush();
+            Microsoft.DocAsCode.Common.Logger.PrintSummary();
+            Microsoft.DocAsCode.Common.Logger.UnregisterAllListeners();
+        }
+    }
+
     public void GenerateRedirects()
     {
         var redirectProjectFile = RedirectProjectDirectory.CombineWithFilePath("RedirectGenerator.csproj");

docs/docfx.json

@@ -4,12 +4,8 @@
       "src": [
         {
           "files": [
-            "src/BenchmarkDotNet/*.csproj",
-            "src/BenchmarkDotNet.Annotations/*.csproj"
-          ],
-          "exclude": [
-            "**/obj/**",
-            "**/bin/**"
+            "src/BenchmarkDotNet/bin/Release/netstandard2.0/BenchmarkDotNet.dll",
+            "src/BenchmarkDotNet/bin/Release/netstandard2.0/BenchmarkDotNet.Annotations.dll"
           ],
           "src": ".."
         }