1 files changed, 37 insertions, 0 deletions

diff --git a/src/wixext/DependencyErrors.cs b/src/wixext/DependencyErrors.cs
new file mode 100644
index 00000000..83c0986a
--- /dev/null
+++ b/src/wixext/DependencyErrors.cs
@@ -0,0 +1,37 @@
+// 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.Dependency
+{
+    using System;
+    using System.Resources;
+    using WixToolset.Data;
+
+    public static class DependencyErrors
+    {
+        public static Message IllegalCharactersInProvider(SourceLineNumber sourceLineNumbers, string attributeName, Char illegalChar, string illegalChars)
+        {
+            return Message(sourceLineNumbers, Ids.IllegalCharactersInProvider, "The provider key authored into the {0} attribute contains an illegal character, '{1}'. Please author the provider key without any of the following characters: {2}", attributeName, illegalChar, illegalChars);
+        }
+
+        public static Message ReservedValue(SourceLineNumber sourceLineNumbers, string elementName, string attributeName, string attributeValue)
+        {
+            return Message(sourceLineNumbers, Ids.ReservedValue, "The {0}/@{1} attribute value '{2}' is reserved and cannot be used here. Please choose a different value.", elementName, attributeName, attributeValue);
+        }
+
+        private static Message Message(SourceLineNumber sourceLineNumber, Ids id, string format, params object[] args)
+        {
+            return new Message(sourceLineNumber, MessageLevel.Error, (int)id, format, args);
+        }
+
+        private static Message Message(SourceLineNumber sourceLineNumber, Ids id, ResourceManager resourceManager, string resourceName, params object[] args)
+        {
+            return new Message(sourceLineNumber, MessageLevel.Error, (int)id, resourceManager, resourceName, args);
+        }
+
+        public enum Ids
+        {
+            IllegalCharactersInProvider = 5400,
+            ReservedValue = 5401,
+        }
+    }
+}