Create WixToolset.Heat.nupkg to distribute heat.exe and Heat targets

Moves Heat functionality to the "tools" layer and packages it all
up in WixToolset.Heat.nupkg for distribution in WiX v4.

Completes 6838

1 files changed, 20 insertions, 32 deletions

diff --git a/src/wix/WixToolset.BuildTasks/RefreshGeneratedFile.cs b/src/tools/WixToolset.HeatTasks/RefreshGeneratedFile.cs
index e18ae222..1e43cc1f 100644
--- a/src/wix/WixToolset.BuildTasks/RefreshGeneratedFile.cs
+++ b/src/tools/WixToolset.HeatTasks/RefreshGeneratedFile.cs
@@ -1,6 +1,6 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
 
-namespace WixToolset.BuildTasks
+namespace WixToolset.HeatTasks
 {
     using System;
     using System.Collections;
@@ -8,48 +8,36 @@ namespace WixToolset.BuildTasks
     using System.IO;
     using System.Xml;
     using Microsoft.Build.Framework;
-    using Microsoft.Build.Utilities;
 
     /// <summary>
     /// This task refreshes the generated file that contains ComponentGroupRefs
     /// to harvested output.
     /// </summary>
-    public class RefreshGeneratedFile : Task
+    public class RefreshGeneratedFile : RefreshTask
     {
         /// <summary>
-        /// The list of files to generate.
-        /// </summary>
-        [Required]
-        public ITaskItem[] GeneratedFiles { get; set; }
-
-        /// <summary>
-        /// All the project references in the project.
-        /// </summary>
-        [Required]
-        public ITaskItem[] ProjectReferencePaths { get; set; }
-
-        /// <summary>
         /// Gets a complete list of external cabs referenced by the given installer database file.
         /// </summary>
         /// <returns>True upon completion of the task execution.</returns>
         public override bool Execute()
         {
-            ArrayList componentGroupRefs = new ArrayList();
-            for (int i = 0; i < this.ProjectReferencePaths.Length; i++)
+            var componentGroupRefs = new ArrayList();
+
+            for (var i = 0; i < this.ProjectReferencePaths.Length; i++)
             {
-                ITaskItem item = this.ProjectReferencePaths[i];
+                var item = this.ProjectReferencePaths[i];
 
-                if (!String.IsNullOrEmpty(item.GetMetadata(ToolsCommon.DoNotHarvest)))
+                if (!String.IsNullOrEmpty(item.GetMetadata(DoNotHarvest)))
                 {
                     continue;
                 }
 
-                string projectPath = item.GetMetadata("MSBuildSourceProjectFile");
-                string projectName = Path.GetFileNameWithoutExtension(projectPath);
-                string referenceName = ToolsCommon.GetIdentifierFromName(ToolsCommon.GetMetadataOrDefault(item, "Name", projectName));
+                var projectPath = item.GetMetadata("MSBuildSourceProjectFile");
+                var projectName = Path.GetFileNameWithoutExtension(projectPath);
+                var referenceName = GetIdentifierFromName(GetMetadataOrDefault(item, "Name", projectName));
 
-                string[] pogs = item.GetMetadata("RefProjectOutputGroups").Split(';');
-                foreach (string pog in pogs)
+                var pogs = item.GetMetadata("RefProjectOutputGroups").Split(';');
+                foreach (var pog in pogs)
                 {
                     if (!String.IsNullOrEmpty(pog))
                     {
@@ -58,32 +46,32 @@ namespace WixToolset.BuildTasks
                 }
             }
 
-            XmlDocument doc = new XmlDocument();
+            var doc = new XmlDocument();
 
-            XmlProcessingInstruction head = doc.CreateProcessingInstruction("xml", "version='1.0' encoding='UTF-8'");
+            var head = doc.CreateProcessingInstruction("xml", "version='1.0' encoding='UTF-8'");
             doc.AppendChild(head);
 
-            XmlElement rootElement = doc.CreateElement("Wix");
+            var rootElement = doc.CreateElement("Wix");
             rootElement.SetAttribute("xmlns", "http://wixtoolset.org/schemas/v4/wxs");
             doc.AppendChild(rootElement);
 
-            XmlElement fragment = doc.CreateElement("Fragment");
+            var fragment = doc.CreateElement("Fragment");
             rootElement.AppendChild(fragment);
 
-            XmlElement componentGroup = doc.CreateElement("ComponentGroup");
+            var componentGroup = doc.CreateElement("ComponentGroup");
             componentGroup.SetAttribute("Id", "Product.Generated");
             fragment.AppendChild(componentGroup);
 
             foreach (string componentGroupRef in componentGroupRefs)
             {
-                XmlElement componentGroupRefElement = doc.CreateElement("ComponentGroupRef");
+                var componentGroupRefElement = doc.CreateElement("ComponentGroupRef");
                 componentGroupRefElement.SetAttribute("Id", componentGroupRef);
                 componentGroup.AppendChild(componentGroupRefElement);
             }
 
-            foreach (ITaskItem item in this.GeneratedFiles)
+            foreach (var item in this.GeneratedFiles)
             {
-                string fullPath = item.GetMetadata("FullPath");
+                var fullPath = item.GetMetadata("FullPath");
 
                 componentGroup.SetAttribute("Id", Path.GetFileNameWithoutExtension(fullPath));
                 try