From c843b47d6233153fa961c6d0e61edf7cedf255bb Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Tue, 8 Nov 2022 14:58:05 -0800
Subject: Separate WixInternal content from official WixToolset namespace

---
 .../WixCommandLineBuilder.cs                       | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/internal/WixInternal.BaseBuildTasks.Sources/WixCommandLineBuilder.cs

(limited to 'src/internal/WixInternal.BaseBuildTasks.Sources/WixCommandLineBuilder.cs')

diff --git a/src/internal/WixInternal.BaseBuildTasks.Sources/WixCommandLineBuilder.cs b/src/internal/WixInternal.BaseBuildTasks.Sources/WixCommandLineBuilder.cs
new file mode 100644
index 00000000..d950bca9
--- /dev/null
+++ b/src/internal/WixInternal.BaseBuildTasks.Sources/WixCommandLineBuilder.cs
@@ -0,0 +1,104 @@
+// 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.BaseBuildTasks
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Globalization;
+    using System.IO;
+
+    using Microsoft.Build.Framework;
+    using Microsoft.Build.Utilities;
+
+    /// <summary>
+    /// Helper class for appending the command line arguments.
+    /// </summary>
+    public class WixCommandLineBuilder : CommandLineBuilder
+    {
+        internal const int Unspecified = -1;
+
+        /// <summary>
+        /// Append a switch to the command line if the value has been specified.
+        /// </summary>
+        /// <param name="switchName">Switch to append.</param>
+        /// <param name="value">Value specified by the user.</param>
+        public void AppendIfSpecified(string switchName, int value)
+        {
+            if (value != Unspecified)
+            {
+                this.AppendSwitchIfNotNull(switchName, value.ToString(CultureInfo.InvariantCulture));
+            }
+        }
+
+        /// <summary>
+        /// Append a switch to the command line if the condition is true.
+        /// </summary>
+        /// <param name="switchName">Switch to append.</param>
+        /// <param name="condition">Condition specified by the user.</param>
+        public void AppendIfTrue(string switchName, bool condition)
+        {
+            if (condition)
+            {
+                this.AppendSwitch(switchName);
+            }
+        }
+
+        /// <summary>
+        /// Append a switch to the command line if any values in the array have been specified.
+        /// </summary>
+        /// <param name="switchName">Switch to append.</param>
+        /// <param name="values">Values specified by the user.</param>
+        public void AppendArrayIfNotNull(string switchName, IEnumerable<ITaskItem> values)
+        {
+            if (values != null)
+            {
+                foreach (ITaskItem value in values)
+                {
+                    this.AppendSwitchIfNotNull(switchName, value);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Append a switch to the command line if any values in the array have been specified.
+        /// </summary>
+        /// <param name="switchName">Switch to append.</param>
+        /// <param name="values">Values specified by the user.</param>
+        public void AppendArrayIfNotNull(string switchName, IEnumerable<string> values)
+        {
+            if (values != null)
+            {
+                foreach (string value in values)
+                {
+                    this.AppendSwitchIfNotNull(switchName, value);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Append arbitrary text to the command-line if specified.
+        /// </summary>
+        /// <param name="textToAppend">Text to append.</param>
+        public void AppendTextIfNotNull(string textToAppend)
+        {
+            if (!String.IsNullOrEmpty(textToAppend))
+            {
+                this.AppendSpaceIfNotEmpty();
+                this.AppendTextUnquoted(textToAppend);
+            }
+        }
+
+        /// <summary>
+        /// Append arbitrary text to the command-line if specified.
+        /// </summary>
+        /// <param name="textToAppend">Text to append.</param>
+        public void AppendTextIfNotWhitespace(string textToAppend)
+        {
+            if (!String.IsNullOrWhiteSpace(textToAppend))
+            {
+                this.AppendSpaceIfNotEmpty();
+                this.AppendTextUnquoted(textToAppend);
+            }
+        }
+    }
+}
-- 
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