From bb503f50870885fe31a9b6d5649d2fcec4091a10 Mon Sep 17 00:00:00 2001
From: Matt Kotsenas <Matt.Kotsenas@gmail.com>
Date: Fri, 18 Oct 2024 14:53:51 -0700
Subject: [PATCH] Add UsingTaskRoslynCodeTaskFactory convenience method (#304)

---
 .../UsingTaskTests.cs                         |  96 ++++++++++++++++
 .../ProjectCreator.UsingTasks.cs              | 108 ++++++++++++++++++
 .../PublicAPI/net472/PublicAPI.Shipped.txt    |   1 +
 .../PublicAPI/net6.0/PublicAPI.Shipped.txt    |   1 +
 .../PublicAPI/net8.0/PublicAPI.Shipped.txt    |   1 +
 .../PublicAPI/net9.0/PublicAPI.Shipped.txt    |   1 +
 .../Strings.Designer.cs                       |   9 ++
 .../Strings.resx                              |   3 +
 8 files changed, 220 insertions(+)

diff --git a/src/Microsoft.Build.Utilities.ProjectCreation.UnitTests/UsingTaskTests.cs b/src/Microsoft.Build.Utilities.ProjectCreation.UnitTests/UsingTaskTests.cs
index 95cf78c..4f216a3 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation.UnitTests/UsingTaskTests.cs
+++ b/src/Microsoft.Build.Utilities.ProjectCreation.UnitTests/UsingTaskTests.cs
@@ -4,6 +4,7 @@
 
 using Microsoft.Build.Evaluation;
 using Shouldly;
+using System.IO;
 using Xunit;
 
 namespace Microsoft.Build.Utilities.ProjectCreation.UnitTests
@@ -92,6 +93,101 @@ public void UsingTaskComplexParameters()
                     StringCompareShould.IgnoreLineEndings);
         }
 
+        [Theory]
+        [InlineData("""Log.LogMessage(MessageImportance.High, "Hello from an inline task created by Roslyn!");""")]
+        [InlineData("""<![CDATA[Log.LogMessage(MessageImportance.High, "Hello from an inline task created by Roslyn!");]]>""")]
+        public void UsingTaskInlineFragmentSimple(string code)
+        {
+            ProjectCreator.Create(projectFileOptions: NewProjectFileOptions.None)
+                .UsingTaskRoslynCodeTaskFactory("MySample", code)
+                .Xml
+                .ShouldBe(
+                    $"""
+                    <Project>
+                      <UsingTask TaskName="MySample" AssemblyFile="{Path.Combine("$(MSBuildToolsPath)", "Microsoft.Build.Tasks.Core.dll")}" TaskFactory="RoslynCodeTaskFactory">
+                        <Task>
+                          <Code Type="Fragment" Language="cs"><![CDATA[Log.LogMessage(MessageImportance.High, "Hello from an inline task created by Roslyn!");]]></Code>
+                        </Task>
+                      </UsingTask>
+                    </Project>
+                    """,
+                    StringCompareShould.IgnoreLineEndings);
+        }
+
+        [Fact]
+        public void UsingTaskInlineFragmentComplex()
+        {
+            ProjectCreator.Create(projectFileOptions: NewProjectFileOptions.None)
+                .UsingTaskRoslynCodeTaskFactory(
+                    taskName: "MySample",
+                    references: ["netstandard"],
+                    usings: ["System"],
+                    sourceCode: """
+                    Log.LogMessage(MessageImportance.High, "Hello from an inline task created by Roslyn!");
+                    Log.LogMessageFromText($"Parameter1: '{Parameter1}'", MessageImportance.High);
+                    Log.LogMessageFromText($"Parameter2: '{Parameter2}'", MessageImportance.High);
+                    Parameter3 = "A value from the Roslyn CodeTaskFactory";
+                    """)
+                .UsingTaskParameter(
+                    name: "Parameter1",
+                    parameterType: "System.String",
+                    output: false,
+                    required: true)
+                .UsingTaskParameter(
+                    name: "Parameter2",
+                    parameterType: "System.String",
+                    output: false,
+                    required: false)
+                .UsingTaskParameter(
+                    name: "Parameter3",
+                    parameterType: "System.String",
+                    output: true,
+                    required: false)
+                .Xml
+                .ShouldBe(
+                    $@"<Project>
+  <UsingTask TaskName=""MySample"" AssemblyFile=""{Path.Combine("$(MSBuildToolsPath)", "Microsoft.Build.Tasks.Core.dll")}"" TaskFactory=""RoslynCodeTaskFactory"">
+    <ParameterGroup>
+      <Parameter1 Output=""False"" Required=""True"" ParameterType=""System.String"" />
+      <Parameter2 Output=""False"" Required=""False"" ParameterType=""System.String"" />
+      <Parameter3 Output=""True"" Required=""False"" ParameterType=""System.String"" />
+    </ParameterGroup>
+    <Task>
+      <Reference Include=""netstandard"" />
+      <Using Namespace=""System"" />
+      <Code Type=""Fragment"" Language=""cs""><![CDATA[Log.LogMessage(MessageImportance.High, ""Hello from an inline task created by Roslyn!"");
+Log.LogMessageFromText($""Parameter1: '{{Parameter1}}'"", MessageImportance.High);
+Log.LogMessageFromText($""Parameter2: '{{Parameter2}}'"", MessageImportance.High);
+Parameter3 = ""A value from the Roslyn CodeTaskFactory"";]]></Code>
+    </Task>
+  </UsingTask>
+</Project>",
+                    StringCompareShould.IgnoreLineEndings);
+        }
+
+        [Fact]
+        public void UsingTaskInlineSource()
+        {
+            ProjectCreator.Create(projectFileOptions: NewProjectFileOptions.None)
+                .UsingTaskRoslynCodeTaskFactory(
+                    taskName: "MySample",
+                    sourcePath: "MySample.vb",
+                    type: "Class",
+                    language: "vb")
+                .Xml
+                .ShouldBe(
+                    $"""
+                    <Project>
+                      <UsingTask TaskName="MySample" AssemblyFile="{Path.Combine("$(MSBuildToolsPath)", "Microsoft.Build.Tasks.Core.dll")}" TaskFactory="RoslynCodeTaskFactory">
+                        <Task>
+                          <Code Type="Class" Language="vb" Source="MySample.vb" />
+                        </Task>
+                      </UsingTask>
+                    </Project>
+                    """,
+                    StringCompareShould.IgnoreLineEndings);
+        }
+
         [Fact]
         public void UsingTaskSimpleParameter()
         {
diff --git a/src/Microsoft.Build.Utilities.ProjectCreation/ProjectCreator.UsingTasks.cs b/src/Microsoft.Build.Utilities.ProjectCreation/ProjectCreator.UsingTasks.cs
index 56da5ac..195b4ea 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation/ProjectCreator.UsingTasks.cs
+++ b/src/Microsoft.Build.Utilities.ProjectCreation/ProjectCreator.UsingTasks.cs
@@ -3,6 +3,10 @@
 // Licensed under the MIT license.
 
 using Microsoft.Build.Construction;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Xml;
 
 namespace Microsoft.Build.Utilities.ProjectCreation
 {
@@ -109,5 +113,109 @@ public ProjectCreator UsingTaskParameter(string name, string? parameterType = nu
 
             return this;
         }
+
+        /// <summary>
+        /// Adds a &lt;UsingTask /&gt; with the TaskFactory set to "RoslynCodeTaskFactory" and the provided
+        /// code fragment or source file as the task body.
+        /// </summary>
+        /// <remarks>
+        /// See https://learn.microsoft.com/en-us/visualstudio/msbuild/msbuild-roslyncodetaskfactory for
+        /// documentation on using a RoslynCodeTaskFactory.
+        /// </remarks>
+        /// <param name="taskName">The name of the task.</param>
+        /// <param name="sourceCode">C# or VB code to use as the task body. Mutually exclusive with <paramref name="sourcePath"/>.</param>
+        /// <param name="sourcePath">Path to a source to use as the task body. Mutually exclusive with <paramref name="sourceCode"/>.</param>
+        /// <param name="type">The type of code in the task body. Defaults to "Fragment", can also be "Method" or "Class".</param>
+        /// <param name="language">The source language. Defaults to "cs", can also be "vb".</param>
+        /// <param name="references">Paths to assemblies that should be added as references during compilation.</param>
+        /// <param name="usings">The list of namespaces to include as part of the compilation.</param>
+        /// <param name="taskFactory">The TaskFactory to use. Defaults to "RoslynCodeTaskFactory".</param>
+        /// <param name="runtime">An optional runtime for the task.</param>
+        /// <param name="architecture">An optional architecture for the task.</param>
+        /// <param name="condition">An optional condition to add to the task.</param>
+        /// <param name="label">An optional label to add to the task.</param>
+        /// <param name="evaluate">An optional value indicating if the body should be evaluated.</param>
+        /// <returns>The current <see cref="ProjectCreator" />.</returns>
+        public ProjectCreator UsingTaskRoslynCodeTaskFactory(
+            string taskName,
+            string? sourceCode = null,
+            string? sourcePath = null,
+            string type = "Fragment",
+            string language = "cs",
+            IEnumerable<string>? references = null,
+            IEnumerable<string>? usings = null,
+            string taskFactory = "RoslynCodeTaskFactory",
+            string? runtime = null,
+            string? architecture = null,
+            string? condition = null,
+            string? label = null,
+            bool? evaluate = null)
+        {
+            if (sourceCode is null && sourcePath is null)
+            {
+                throw new ProjectCreatorException(Strings.ErrorUsingTaskRoslynCodeTaskFactoryRequiresSourceCodeOrSourcePath);
+            }
+
+            if (sourceCode is not null && sourcePath is not null)
+            {
+                throw new ProjectCreatorException(Strings.ErrorUsingTaskRoslynCodeTaskFactoryRequiresSourceCodeOrSourcePath);
+            }
+
+            UsingTaskAssemblyFile(
+                taskName,
+                assemblyFile: @"$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll",
+                taskFactory,
+                runtime,
+                architecture,
+                condition,
+                label);
+
+            using StringWriter sw = new();
+            XmlWriterSettings settings = new()
+            {
+                ConformanceLevel = ConformanceLevel.Fragment,
+                OmitXmlDeclaration = true,
+                Indent = false, // If we don't indent Microsoft.Build.Construction will do it for us
+            };
+            using (XmlWriter writer = XmlWriter.Create(sw, settings))
+            {
+                foreach (string r in references ?? [])
+                {
+                    writer.WriteStartElement("Reference");
+                    writer.WriteAttributeString("Include", r);
+                    writer.WriteEndElement(); // </Reference>
+                }
+
+                foreach (string u in usings ?? [])
+                {
+                    writer.WriteStartElement("Using");
+                    writer.WriteAttributeString("Namespace", u);
+                    writer.WriteEndElement(); // </Using>
+                }
+
+                writer.WriteStartElement("Code");
+                writer.WriteAttributeString("Type", type);
+                writer.WriteAttributeString("Language", language);
+                writer.WriteAttributeStringIfNotNull("Source", sourcePath);
+
+                if (sourceCode is not null)
+                {
+                    if (!sourceCode.AsSpan().TrimStart().StartsWith("<![CDATA[".AsSpan(), StringComparison.Ordinal))
+                    {
+                        writer.WriteCData(sourceCode);
+                    }
+                    else
+                    {
+                        writer.WriteRaw(sourceCode);
+                    }
+                }
+
+                writer.WriteEndElement(); // </Code>
+            }
+
+            UsingTaskBody(sw.ToString(), evaluate);
+
+            return this;
+        }
     }
 }
\ No newline at end of file
diff --git a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net472/PublicAPI.Shipped.txt b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net472/PublicAPI.Shipped.txt
index 62ce389..525fa50 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net472/PublicAPI.Shipped.txt
+++ b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net472/PublicAPI.Shipped.txt
@@ -266,6 +266,7 @@ Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyFile(s
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyName(string! taskName, string! assemblyName, string! taskFactory, string? runtime = null, string? architecture = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskBody(string! body, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskParameter(string! name, string? parameterType = null, bool? output = null, bool? required = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
+Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskRoslynCodeTaskFactory(string! taskName, string? sourceCode = null, string? sourcePath = null, string! type = "Fragment", string! language = "cs", System.Collections.Generic.IEnumerable<string!>? references = null, System.Collections.Generic.IEnumerable<string!>? usings = null, string! taskFactory = "RoslynCodeTaskFactory", string? runtime = null, string? architecture = null, string? condition = null, string? label = null, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.When(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemGroup(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemInclude(string! itemType, string! include, string? exclude = null, System.Collections.Generic.IDictionary<string!, string?>? metadata = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
diff --git a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net6.0/PublicAPI.Shipped.txt b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net6.0/PublicAPI.Shipped.txt
index b5d505d..37c0dfd 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net6.0/PublicAPI.Shipped.txt
+++ b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net6.0/PublicAPI.Shipped.txt
@@ -266,6 +266,7 @@ Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyFile(s
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyName(string! taskName, string! assemblyName, string! taskFactory, string? runtime = null, string? architecture = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskBody(string! body, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskParameter(string! name, string? parameterType = null, bool? output = null, bool? required = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
+Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskRoslynCodeTaskFactory(string! taskName, string? sourceCode = null, string? sourcePath = null, string! type = "Fragment", string! language = "cs", System.Collections.Generic.IEnumerable<string!>? references = null, System.Collections.Generic.IEnumerable<string!>? usings = null, string! taskFactory = "RoslynCodeTaskFactory", string? runtime = null, string? architecture = null, string? condition = null, string? label = null, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.When(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemGroup(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemInclude(string! itemType, string! include, string? exclude = null, System.Collections.Generic.IDictionary<string!, string?>? metadata = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
diff --git a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net8.0/PublicAPI.Shipped.txt b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net8.0/PublicAPI.Shipped.txt
index b5d505d..37c0dfd 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net8.0/PublicAPI.Shipped.txt
+++ b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net8.0/PublicAPI.Shipped.txt
@@ -266,6 +266,7 @@ Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyFile(s
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyName(string! taskName, string! assemblyName, string! taskFactory, string? runtime = null, string? architecture = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskBody(string! body, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskParameter(string! name, string? parameterType = null, bool? output = null, bool? required = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
+Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskRoslynCodeTaskFactory(string! taskName, string? sourceCode = null, string? sourcePath = null, string! type = "Fragment", string! language = "cs", System.Collections.Generic.IEnumerable<string!>? references = null, System.Collections.Generic.IEnumerable<string!>? usings = null, string! taskFactory = "RoslynCodeTaskFactory", string? runtime = null, string? architecture = null, string? condition = null, string? label = null, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.When(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemGroup(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemInclude(string! itemType, string! include, string? exclude = null, System.Collections.Generic.IDictionary<string!, string?>? metadata = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
diff --git a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net9.0/PublicAPI.Shipped.txt b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net9.0/PublicAPI.Shipped.txt
index b5d505d..37c0dfd 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net9.0/PublicAPI.Shipped.txt
+++ b/src/Microsoft.Build.Utilities.ProjectCreation/PublicAPI/net9.0/PublicAPI.Shipped.txt
@@ -266,6 +266,7 @@ Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyFile(s
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskAssemblyName(string! taskName, string! assemblyName, string! taskFactory, string? runtime = null, string? architecture = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskBody(string! body, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskParameter(string! name, string? parameterType = null, bool? output = null, bool? required = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
+Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.UsingTaskRoslynCodeTaskFactory(string! taskName, string? sourceCode = null, string? sourcePath = null, string! type = "Fragment", string! language = "cs", System.Collections.Generic.IEnumerable<string!>? references = null, System.Collections.Generic.IEnumerable<string!>? usings = null, string! taskFactory = "RoslynCodeTaskFactory", string? runtime = null, string? architecture = null, string? condition = null, string? label = null, bool? evaluate = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.When(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemGroup(string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
 Microsoft.Build.Utilities.ProjectCreation.ProjectCreator.WhenItemInclude(string! itemType, string! include, string? exclude = null, System.Collections.Generic.IDictionary<string!, string?>? metadata = null, string? condition = null, string? label = null) -> Microsoft.Build.Utilities.ProjectCreation.ProjectCreator!
diff --git a/src/Microsoft.Build.Utilities.ProjectCreation/Strings.Designer.cs b/src/Microsoft.Build.Utilities.ProjectCreation/Strings.Designer.cs
index e71fb82..f093dda 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation/Strings.Designer.cs
+++ b/src/Microsoft.Build.Utilities.ProjectCreation/Strings.Designer.cs
@@ -159,6 +159,15 @@ internal static string ErrorUsingTaskParameterRequiresUsingTask {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to You must specify either inline source code or a path to a source file, but not both..
+        /// </summary>
+        internal static string ErrorUsingTaskRoslynCodeTaskFactoryRequiresSourceCodeOrSourcePath {
+            get {
+                return ResourceManager.GetString("ErrorUsingTaskRoslynCodeTaskFactoryRequiresSourceCodeOrSourcePath", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to You must add a package to a feed before adding content..
         /// </summary>
diff --git a/src/Microsoft.Build.Utilities.ProjectCreation/Strings.resx b/src/Microsoft.Build.Utilities.ProjectCreation/Strings.resx
index 3c3b108..b42753c 100644
--- a/src/Microsoft.Build.Utilities.ProjectCreation/Strings.resx
+++ b/src/Microsoft.Build.Utilities.ProjectCreation/Strings.resx
@@ -165,4 +165,7 @@
   <data name="ErrorWhenPropertyGroupRequiresWhen" xml:space="preserve">
     <value>You must add a When before adding a When PropertyGroup.</value>
   </data>
+  <data name="ErrorUsingTaskRoslynCodeTaskFactoryRequiresSourceCodeOrSourcePath" xml:space="preserve">
+    <value>You must specify either inline source code or a path to a source file, but not both.</value>
+  </data>
 </root>
\ No newline at end of file