Implement the wasm build task

.gitignore

@@ -11,6 +11,7 @@
 /Ooui.Wasm/sample*
 /Ooui.Wasm/lib*
 /Ooui.Wasm/*.w*
+/Ooui.Wasm.Test
 
 # Social media files
 /Media

Ooui.Wasm.Build.Tasks/BuildDistTask.cs

@@ -1,30 +1,213 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.IO;
-using System.Xml;
+using System.IO.Compression;
+using System.Linq;
+using System.Net;
 
 using Microsoft.Build.Framework;
 using Microsoft.Build.Utilities;
+using System.Text;
+using Mono.Cecil;
 
 namespace Ooui.Wasm.Build.Tasks
 {
-    public class BuildDistTask : MarshalByRefObject, ITask
+    public class BuildDistTask : Task
     {
+        const string SdkUrl = "https://jenkins.mono-project.com/job/test-mono-mainline-webassembly/62/label=highsierra/Azure/processDownloadRequest/62/highsierra/sdks/wasm/mono-wasm-ddf4e7be31b.zip";
+
         [Required]
         public string Assembly { get; set; }
         public string ReferencePath { get; set; }
 
-        public bool Execute ()
+        public override bool Execute ()
         {
-            var fullAsmPath = Path.GetFullPath (Assembly);
+            try {
-            Console.WriteLine ("YO " + fullAsmPath);
+                InstallSdk ();
+                GetBcl ();
+                CreateDist ();
+                CopyRuntime ();
+                LinkAssemblies ();
+                ExtractClientJs ();
+                GenerateHtml ();
+                GenerateServer ();
                 return true;
             }
-
+            catch (Exception ex) {
-        public IBuildEngine BuildEngine { get; set; }
+                Log.LogErrorFromException (ex);
-		public ITaskHost HostObject { get; set; }
+                return false;
-
+            }
         }
 
+        string sdkPath;
+
+        void InstallSdk ()
+        {
+            var sdkName = Path.GetFileNameWithoutExtension (new Uri (SdkUrl).AbsolutePath.Replace ('/', Path.DirectorySeparatorChar));
+            Log.LogMessage ("SDK: " + sdkName);
+            sdkPath = Path.Combine (Path.GetTempPath (), sdkName);
+            Log.LogMessage ("SDK Path: " + sdkPath);
+            if (Directory.Exists (sdkPath))
+                return;
+
+            var client = new WebClient ();
+            var zipPath = sdkPath + ".zip";
+            Log.LogMessage ($"Downloading {sdkName} to {zipPath}");
+            client.DownloadFile (SdkUrl, zipPath);
+
+            ZipFile.ExtractToDirectory (zipPath, sdkPath);
+            Log.LogMessage ($"Extracted {sdkName} to {sdkPath}");
+        }
+
+        string bclPath;
+        Dictionary<string, string> bclAssemblies;
+
+        void GetBcl ()
+        {
+            bclPath = Path.Combine (sdkPath, "bcl");
+            var reals = Directory.GetFiles (bclPath, "*.dll");
+            var facades = Directory.GetFiles (Path.Combine (bclPath, "Facades"), "*.dll");
+            var allFiles = reals.Concat (facades);
+            bclAssemblies = allFiles.ToDictionary (x => Path.GetFileName (x));
+        }
+
+        string distPath;
+        string managedPath;
+
+        void CreateDist ()
+        {
+            var fullAsmPath = Path.GetFullPath (Assembly);
+            var outputPath = Path.GetDirectoryName (fullAsmPath);
+            distPath = Path.Combine (outputPath, "dist");
+            managedPath = Path.Combine (distPath, "managed");
+            Directory.CreateDirectory (managedPath);
+            //foreach (var dll in Directory.GetFiles (managedPath, "*.dll")) {
+            //    File.Delete (dll);
+            //}
+        }
+
+        void CopyRuntime ()
+        {
+            var rtPath = Path.Combine (sdkPath, "release");
+            var files = new[] { "mono.wasm", "mono.js" };
+            foreach (var f in files) {
+                var src = Path.Combine (rtPath, f);
+                var dest = Path.Combine (distPath, f);
+                Log.LogMessage ($"Runtime {src} -> {dest}");
+                File.Copy (src, dest, true);
+            }
+        }
+
+        List<string> linkedAsmNames;
+        List<string> linkedAsmPaths;
+
+        void LinkAssemblies ()
+        {
+            var references = ReferencePath.Split (';').Select (x => x.Trim ()).Where (x => x.Length > 0).ToList ();
+            references.Add (Path.GetFullPath (Assembly));
+
+            linkedAsmPaths = new List<string> ();
+            foreach (var r in references) {
+                var name = Path.GetFileName (r);
+                if (bclAssemblies.ContainsKey (name)) {
+                    linkedAsmPaths.Add (bclAssemblies[name]);
+                }
+                else {
+                    linkedAsmPaths.Add (r);
+                }
+            }
+
+            linkedAsmNames = new List<string> ();
+            foreach (var l in linkedAsmPaths) {
+                var name = Path.GetFileName (l);
+                linkedAsmNames.Add (name);
+                var dest = Path.Combine (managedPath, name);
+                if (bclAssemblies.ContainsKey (name) && File.Exists (dest))
+                    continue;
+                File.Copy (l, dest, true);
+                Log.LogMessage ($"Managed {l} -> {dest}");
+            }
+        }
+
+        void ExtractClientJs ()
+        {
+            var oouiPath = linkedAsmPaths.FirstOrDefault (x => Path.GetFileName (x).Equals ("Ooui.dll", StringComparison.InvariantCultureIgnoreCase));
+            if (oouiPath == null) {
+                Log.LogError ("Ooui.dll not included in the project");
+                return;
+            }
+            var oouiAsm = AssemblyDefinition.ReadAssembly (oouiPath);
+            var clientJs = oouiAsm.MainModule.Resources.FirstOrDefault (x => x.Name.EndsWith ("Client.js", StringComparison.InvariantCultureIgnoreCase)) as EmbeddedResource;
+            if (clientJs == null) {
+                Log.LogError ("Ooui.dll missing client javascript");
+                return;
+            }
+            var dest = Path.Combine (distPath, "ooui.js");
+            using (var srcs = clientJs.GetResourceStream ()) {
+                using (var dests = new FileStream (dest, FileMode.Create, FileAccess.Write)) {
+                    srcs.CopyTo (dests);
+                }
+            }
+            Log.LogMessage ($"Client JS {dest}");
+        }
+
+        void GenerateHtml ()
+        {
+            var htmlPath = Path.Combine (distPath, "index.html");
+            using (var w = new StreamWriter (htmlPath, false, new UTF8Encoding (false))) {
+                w.Write (@"<!DOCTYPE html>
+<html>
+<head>
+    <title>Ooui Wasm</title>
+    <meta name=""viewport"" content=""width=device-width, initial-scale=1"" />
+    <link rel=""stylesheet"" href=""https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.7/css/bootstrap.min.css"" />
+    <link rel=""stylesheet"" href=""https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"">
+</head>
+<body>
+    <div id=""ooui-body"" class=""container-fluid"">
+        <p id=""loading""><i class=""fa fa-refresh fa-spin"" style=""font-size:14px;margin-right:0.5em;""></i> Loading...</p>
+    </div>
+    
+    <script type=""text/javascript"" src=""ooui.js""></script>
+    <script type=""text/javascript"">
+        var mainAsmName = """);
+                w.Write (Path.GetFileNameWithoutExtension (Assembly));
+                w.Write (@""";
+        var assemblies = [");
+                var head = "";
+                foreach (var l in linkedAsmNames) {
+                    w.Write (head);
+                    w.Write ('\"');
+                    w.Write (l);
+                    w.Write ('\"');
+                    head = ",";
+                }
+                w.WriteLine (@"];
+        oouiWasm (mainAsmName, """", ""Program"", ""Main"", assemblies);
+    </script>
+    <script async type=""text/javascript"" src=""mono.js""></script>
+</body>
+</html>");
+            }
+            Log.LogMessage ($"HTML {htmlPath}");
+        }
+
+        void GenerateServer ()
+        {
+            var server = @"import SimpleHTTPServer
+import SocketServer
+PORT = 8000
+class Handler(SimpleHTTPServer.SimpleHTTPRequestHandler):
+    pass
+Handler.extensions_map["".wasm""] = ""application/wasm""
+httpd = SocketServer.TCPServer(("""", PORT), Handler)
+print ""serving at port"", PORT
+httpd.serve_forever()";
+            var serverPath = Path.Combine (distPath, "server.py");
+            using (var w = new StreamWriter (serverPath, false, new UTF8Encoding (false))) {
+                w.WriteLine (server);
+            }
+            Log.LogMessage ($"Server {serverPath}");
+        }
+    }
 }

Ooui.sln

@@ -2,22 +2,24 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.27130.2010
 MinimumVisualStudioVersion = 15.0.26124.0
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Ooui", "Ooui\Ooui.csproj", "{DFDFD036-BF48-4D3A-BF99-88CA1EA8E4B9}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ooui", "Ooui\Ooui.csproj", "{DFDFD036-BF48-4D3A-BF99-88CA1EA8E4B9}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Samples", "Samples\Samples.csproj", "{CDF8BB01-40BB-402F-8446-47AA6F1628F3}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Samples", "Samples\Samples.csproj", "{CDF8BB01-40BB-402F-8446-47AA6F1628F3}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tests", "Tests\Tests.csproj", "{78F6E9E7-4322-4F87-8CE9-1EEF1B16D268}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests", "Tests\Tests.csproj", "{78F6E9E7-4322-4F87-8CE9-1EEF1B16D268}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Ooui.Forms", "Ooui.Forms\Ooui.Forms.csproj", "{DB819A2F-91E1-40FB-8D48-6544169966B8}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ooui.Forms", "Ooui.Forms\Ooui.Forms.csproj", "{DB819A2F-91E1-40FB-8D48-6544169966B8}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Ooui.AspNetCore", "Ooui.AspNetCore\Ooui.AspNetCore.csproj", "{2EDF0328-698B-458A-B10C-AB1B4786A6CA}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ooui.AspNetCore", "Ooui.AspNetCore\Ooui.AspNetCore.csproj", "{2EDF0328-698B-458A-B10C-AB1B4786A6CA}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "PlatformSamples", "PlatformSamples", "{12ADF328-BBA8-48FC-9AF1-F11B7921D9EA}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AspNetCoreMvc", "PlatformSamples\AspNetCoreMvc\AspNetCoreMvc.csproj", "{7C6D477C-3378-4A86-9C31-AAD51204120B}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AspNetCoreMvc", "PlatformSamples\AspNetCoreMvc\AspNetCoreMvc.csproj", "{7C6D477C-3378-4A86-9C31-AAD51204120B}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OouiTemplates", "Templates\OouiTemplates\OouiTemplates.csproj", "{1DA10AAB-EB41-49CF-9441-B4D28D0A7F96}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ooui.Wasm.Build.Tasks", "Ooui.Wasm.Build.Tasks\Ooui.Wasm.Build.Tasks.csproj", "{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -112,6 +114,18 @@ Global
 		{1DA10AAB-EB41-49CF-9441-B4D28D0A7F96}.Release|x64.Build.0 = Release|Any CPU
 		{1DA10AAB-EB41-49CF-9441-B4D28D0A7F96}.Release|x86.ActiveCfg = Release|Any CPU
 		{1DA10AAB-EB41-49CF-9441-B4D28D0A7F96}.Release|x86.Build.0 = Release|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Debug|x64.Build.0 = Debug|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Debug|x86.Build.0 = Debug|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Release|x64.ActiveCfg = Release|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Release|x64.Build.0 = Release|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Release|x86.ActiveCfg = Release|Any CPU
+		{6E9C9582-0DA8-4496-BAE0-23EFAF4A10C2}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE