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, 51 insertions, 0 deletions

diff --git a/src/tools/heat/Extensibility/IHarvesterCore.cs b/src/tools/heat/Extensibility/IHarvesterCore.cs
new file mode 100644
index 00000000..3c34b8a1
--- /dev/null
+++ b/src/tools/heat/Extensibility/IHarvesterCore.cs
@@ -0,0 +1,51 @@
+// 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.Harvesters.Extensibility
+{
+    using WixToolset.Extensibility.Services;
+
+    /// <summary>
+    /// The WiX Toolset harvester core.
+    /// </summary>
+    public interface IHarvesterCore
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        IMessaging Messaging { get; set; }
+
+        /// <summary>
+        /// Gets or sets the value of the extension argument passed to heat.
+        /// </summary>
+        /// <value>The extension argument.</value>
+        string ExtensionArgument { get; set; }
+
+        /// <summary>
+        /// Gets or sets the value of the root directory that is being harvested.
+        /// </summary>
+        /// <value>The root directory being harvested.</value>
+        string RootDirectory { get; set; }
+
+        /// <summary>
+        /// Create an identifier based on passed file name
+        /// </summary>
+        /// <param name="filename">File name to generate identifer from</param>
+        /// <returns></returns>
+        string CreateIdentifierFromFilename(string filename);
+
+        /// <summary>
+        /// Generate an identifier by hashing data from the row.
+        /// </summary>
+        /// <param name="prefix">Three letter or less prefix for generated row identifier.</param>
+        /// <param name="args">Information to hash.</param>
+        /// <returns>The generated identifier.</returns>
+        string GenerateIdentifier(string prefix, params string[] args);
+
+        /// <summary>
+        /// Resolves a file's path if the Wix.File.Source value starts with "SourceDir\".
+        /// </summary>
+        /// <param name="fileSource">The Wix.File.Source value with "SourceDir\".</param>
+        /// <returns>The full path of the file.</returns>
+        string ResolveFilePath(string fileSource);
+    }
+}