7 files changed, 271 insertions, 0 deletions

diff --git a/src/test/Example.Extension/Example.Extension.csproj b/src/test/Example.Extension/Example.Extension.csproj
new file mode 100644
index 00000000..80c64b25
--- /dev/null
+++ b/src/test/Example.Extension/Example.Extension.csproj
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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. -->
+
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="$(WixToolsetRootFolder)\Data\src\WixToolset.Data\WixToolset.Data.csproj" Condition=" '$(Configuration)' == 'Debug' And Exists('$(WixToolsetRootFolder)\Data\src\WixToolset.Data\WixToolset.Data.csproj') " />
+    <PackageReference Include="WixToolset.Data" Version="4.0.*" Condition=" '$(Configuration)' == 'Release' Or !Exists('$(WixToolsetRootFolder)\Data\src\WixToolset.Data\WixToolset.Data.csproj') " />
+
+    <ProjectReference Include="$(WixToolsetRootFolder)\Extensibility\src\WixToolset.Extensibility\WixToolset.Extensibility.csproj" Condition=" '$(Configuration)' == 'Debug' And Exists('$(WixToolsetRootFolder)\Extensibility\src\WixToolset.Extensibility\WixToolset.Extensibility.csproj') " />
+    <PackageReference Include="WixToolset.Extensibility" Version="4.0.*" Condition=" '$(Configuration)' == 'Release' Or !Exists('$(WixToolsetRootFolder)\Extensibility\src\WixToolset.Extensibility\WixToolset.Extensibility.csproj') " />
+  </ItemGroup>
+
+</Project>
diff --git a/src/test/Example.Extension/ExampleCompilerExtension.cs b/src/test/Example.Extension/ExampleCompilerExtension.cs
new file mode 100644
index 00000000..5b20e48f
--- /dev/null
+++ b/src/test/Example.Extension/ExampleCompilerExtension.cs
@@ -0,0 +1,84 @@
+// 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 Example.Extension
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Xml.Linq;
+    using WixToolset.Data;
+    using WixToolset.Extensibility;
+
+    internal class ExampleCompilerExtension : BaseCompilerExtension
+    {
+        public ExampleCompilerExtension()
+        {
+            this.Namespace = "http://www.example.com/scheams/v1/wxs";
+        }
+
+        public override void ParseElement(Intermediate intermediate, IntermediateSection section, XElement parentElement, XElement element, IDictionary<string, string> context)
+        {
+            var processed = false;
+
+            switch (parentElement.Name.LocalName)
+            {
+                case "Component":
+                    switch (element.Name.LocalName)
+                    {
+                        case "Example":
+                            this.ParseExampleElement(intermediate, section, element);
+                            processed = true;
+                            break;
+                    }
+                    break;
+            }
+
+            if (!processed)
+            {
+                base.ParseElement(intermediate, section, parentElement, element, context);
+            }
+        }
+
+        private void ParseExampleElement(Intermediate intermediate, IntermediateSection section, XElement element)
+        {
+            var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(element);
+            Identifier id = null;
+            string value = null;
+
+            foreach (var attrib in element.Attributes())
+            {
+                if (String.IsNullOrEmpty(attrib.Name.NamespaceName) || this.Namespace == attrib.Name.Namespace)
+                {
+                    switch (attrib.Name.LocalName)
+                    {
+                        case "Id":
+                            id = this.ParseHelper.GetAttributeIdentifier(sourceLineNumbers, attrib);
+                            break;
+
+                        case "Value":
+                            value = this.ParseHelper.GetAttributeValue(sourceLineNumbers, attrib);
+                            break;
+
+                        default:
+                            this.ParseHelper.UnexpectedAttribute(element, attrib);
+                            break;
+                    }
+                }
+                else
+                {
+                    this.ParseAttribute(intermediate, section, element, attrib, null);
+                }
+            }
+
+            if (null == id)
+            {
+                //this.Messaging(WixErrors.ExpectedAttribute(sourceLineNumbers, element.Name.LocalName, "Id"));
+            }
+
+            if (!this.Messaging.EncounteredError)
+            {
+                var tuple = this.ParseHelper.CreateRow(section, sourceLineNumbers, "Example", id);
+                tuple.Set(1, value);
+            }
+        }
+    }
+}
diff --git a/src/test/Example.Extension/ExampleExtensionData.cs b/src/test/Example.Extension/ExampleExtensionData.cs
new file mode 100644
index 00000000..c3cb0473
--- /dev/null
+++ b/src/test/Example.Extension/ExampleExtensionData.cs
@@ -0,0 +1,33 @@
+// 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 Example.Extension
+{
+    using WixToolset.Data;
+    using WixToolset.Extensibility;
+
+    internal class ExampleExtensionData : IExtensionData
+    {
+        public string DefaultCulture => null;
+
+        public Intermediate GetLibrary(ITupleDefinitionCreator tupleDefinitions)
+        {
+            return null;
+        }
+
+        public bool TryGetTupleDefinitionByName(string name, out IntermediateTupleDefinition tupleDefinition)
+        {
+            switch (name)
+            {
+                case "Example":
+                    tupleDefinition = TupleDefinitions.Example;
+                    break;
+
+                default:
+                    tupleDefinition = null;
+                    break;
+            }
+
+            return tupleDefinition != null;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/test/Example.Extension/ExampleExtensionFactory.cs b/src/test/Example.Extension/ExampleExtensionFactory.cs
new file mode 100644
index 00000000..9539ee85
--- /dev/null
+++ b/src/test/Example.Extension/ExampleExtensionFactory.cs
@@ -0,0 +1,32 @@
+// 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 Example.Extension
+{
+    using System;
+    using WixToolset.Extensibility;
+
+    public class ExampleExtensionFactory : IExtensionFactory
+    {
+        public bool TryCreateExtension(Type extensionType, out object extension)
+        {
+            if (extensionType == typeof(IPreprocessorExtension))
+            {
+                extension = new ExamplePreprocessorExtension();
+            }
+            else if (extensionType == typeof(ICompilerExtension))
+            {
+                extension = new ExampleCompilerExtension();
+            }
+            else if (extensionType == typeof(IExtensionData))
+            {
+                extension = new ExampleExtensionData();
+            }
+            else
+            {
+                extension = null;
+            }
+            
+            return extension != null;
+        }
+    }
+}
diff --git a/src/test/Example.Extension/ExamplePreprocessorExtension.cs b/src/test/Example.Extension/ExamplePreprocessorExtension.cs
new file mode 100644
index 00000000..c16c8b5a
--- /dev/null
+++ b/src/test/Example.Extension/ExamplePreprocessorExtension.cs
@@ -0,0 +1,55 @@
+// 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 Example.Extension
+{
+    using System;
+    using System.Xml.Linq;
+    using WixToolset.Data;
+    using WixToolset.Extensibility;
+
+    internal class ExamplePreprocessorExtension : IPreprocessorExtension
+    {
+        public ExamplePreprocessorExtension()
+        {
+        }
+
+        public IPreprocessorCore Core { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
+
+        public string[] Prefixes => throw new NotImplementedException();
+
+        public string EvaluateFunction(string prefix, string function, string[] args)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Finish()
+        {
+            throw new NotImplementedException();
+        }
+
+        public string GetVariableValue(string prefix, string name)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Initialize()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void PreprocessDocument(XDocument document)
+        {
+            throw new NotImplementedException();
+        }
+
+        public string PreprocessParameter(string name)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool ProcessPragma(SourceLineNumber sourceLineNumbers, string prefix, string pragma, string args, XContainer parent)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/test/Example.Extension/ExampleTuple.cs b/src/test/Example.Extension/ExampleTuple.cs
new file mode 100644
index 00000000..f280a5c8
--- /dev/null
+++ b/src/test/Example.Extension/ExampleTuple.cs
@@ -0,0 +1,31 @@
+// 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 Example.Extension
+{
+    using WixToolset.Data;
+
+    public enum ExampleTupleFields
+    {
+        Example,
+        Value,
+    }
+
+    public class ExampleTuple : IntermediateTuple
+    {
+        public ExampleTuple() : base(TupleDefinitions.Example, null, null)
+        {
+        }
+
+        public ExampleTuple(SourceLineNumber sourceLineNumber, Identifier id = null) : base(TupleDefinitions.Example, sourceLineNumber, id)
+        {
+        }
+
+        public IntermediateField this[ExampleTupleFields index] => this.Fields[(int)index];
+
+        public string Value
+        {
+            get => this.Fields[(int)ExampleTupleFields.Value]?.AsString();
+            set => this.Set((int)ExampleTupleFields.Value, value);
+        }
+    }
+}
diff --git a/src/test/Example.Extension/TupleDefinitions.cs b/src/test/Example.Extension/TupleDefinitions.cs
new file mode 100644
index 00000000..2c320fbc
--- /dev/null
+++ b/src/test/Example.Extension/TupleDefinitions.cs
@@ -0,0 +1,18 @@
+// 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 Example.Extension
+{
+    using WixToolset.Data;
+
+    public static class TupleDefinitions
+    {
+        public static readonly IntermediateTupleDefinition Example = new IntermediateTupleDefinition(
+            "Example",
+            new[]
+            {
+                new IntermediateFieldDefinition(nameof(ExampleTupleFields.Example), IntermediateFieldType.String),
+                new IntermediateFieldDefinition(nameof(ExampleTupleFields.Value), IntermediateFieldType.String),
+            },
+            typeof(ExampleTuple));
+    }
+}