1 files changed, 0 insertions, 129 deletions
diff --git a/src/Core/Impl/ContentType/StringToContentTypesMap.cs b/src/Core/Impl/ContentType/StringToContentTypesMap.cs
deleted file mode 100644
index 52fae34..0000000
--- a/src/Core/Impl/ContentType/StringToContentTypesMap.cs
+++ /dev/null
@@ -1,129 +0,0 @@
-//
-//  Copyright (c) Microsoft Corporation. All rights reserved.
-//  Licensed under the MIT License. See License.txt in the project root for license information.
-//
-// This file contain implementations details that are subject to change without notice.
-// Use at your own risk.
-//
-namespace Microsoft.VisualStudio.Utilities.Implementation
-{
-    using System;
-    using System.Collections.Generic;
-    using System.Globalization;
-    using System.Linq;
-
-    internal sealed class StringToContentTypesMap
-    {
-        // Map of extensions to their corresponding content types
-        private Dictionary<string, IContentType> stringMap;
-
-        public StringToContentTypesMap(IEnumerable<Tuple<string, IContentType>> mappings)
-        {
-
-            if (mappings == null)
-            {
-                throw new ArgumentNullException(nameof(mappings));
-            }
-
-            this.stringMap = new Dictionary<string, IContentType>(StringComparer.OrdinalIgnoreCase);
-
-            foreach (var mapping in mappings)
-            {
-                // Any failures should ideally be logged somehow.
-                TryAddString(mapping.Item1, mapping.Item2);
-            }
-        }
-
-        public IContentType GetContentTypeForString(string str)
-        {
-            if (str == null)
-            {
-                throw new ArgumentNullException(nameof(str));
-            }
-
-            IContentType contentType;
-
-            if (!this.stringMap.TryGetValue(str, out contentType))
-            {
-                return null;
-            }
-
-            return contentType;
-        }
-
-        public IEnumerable<string> GetStringsForContentType(IContentType contentType)
-        {
-            if (contentType == null)
-            {
-                throw new ArgumentNullException(nameof(contentType));
-            }
-
-            // Asymptotically slow, however, after searching the VS code base, we found that
-            // looking up extensions for ContentType is only used by tests, and is probably
-            // rarely used. This method used be backed by a second map for quick lookup,
-            // but for simplicity, we're going to move to a single map, barring any regressions.
-            return this.stringMap
-                .Where(pair => pair.Value == contentType)
-                .Select(pair => pair.Key);
-        }
-
-        public void AddMapping(string str, IContentType contentType)
-        {
-            if (str == null)
-            {
-                throw new ArgumentNullException(nameof(str));
-            }
-
-            if (contentType == null)
-            {
-                throw new ArgumentNullException(nameof(contentType));
-            }
-
-            if (!TryAddString(str, contentType))
-            {
-                throw new InvalidOperationException
-                            (String.Format(System.Globalization.CultureInfo.CurrentUICulture,
-                                Strings.FileExtensionRegistry_NoMultipleContentTypes, str));
-            }
-        }
-
-        public void RemoveMapping(string str)
-        {
-            if (str == null)
-            {
-                throw new ArgumentNullException(nameof(str));
-            }
-
-            this.stringMap.Remove(str);
-        }
-
-        private bool TryAddString(string str, IContentType contentType)
-        {
-            if (str == null)
-            {
-                throw new ArgumentNullException(nameof(str));
-            }
-
-            if (contentType == null)
-            {
-                throw new ArgumentNullException(nameof(contentType));
-            }
-
-            // Check if the string is already registered
-            IContentType existingContentType;
-            if (this.stringMap.TryGetValue(str, out existingContentType))
-            {
-                // Return false if there is a conflict.
-                return contentType == existingContentType;
-            }
-            else
-            {
-                // A new string - lets add it to the map
-                this.stringMap.Add(str, contentType);
-            }
-
-            return true;
-        }
-    }
-}
-