1 files changed, 123 insertions, 0 deletions
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/MonoDevelopSourceTextContainer.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/MonoDevelopSourceTextContainer.cs
new file mode 100644
index 0000000000..fa3c9b7192
--- /dev/null
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/MonoDevelopSourceTextContainer.cs
@@ -0,0 +1,123 @@
+//
+// RoslynTypeSystemService.cs
+//
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+//
+// Copyright (c) 2014 Xamarin Inc. (http://xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+using System;
+using Microsoft.CodeAnalysis;
+using System.Linq;
+using System.IO;
+using MonoDevelop.Core;
+using System.Collections.Generic;
+using System.Threading;
+using System.Reflection;
+using MonoDevelop.Ide.Editor;
+using MonoDevelop.Core.Text;
+using Microsoft.CodeAnalysis.Text;
+
+namespace MonoDevelop.Ide.TypeSystem
+{
+	class MonoDevelopSourceText : SourceText
+	{
+		readonly ITextSource doc;
+
+		public override System.Text.Encoding Encoding {
+			get {
+				return doc.Encoding;
+			}
+		}
+
+		public MonoDevelopSourceText (ITextSource doc)
+		{
+			if (doc == null)
+				throw new ArgumentNullException ("doc");
+			this.doc = doc;
+		}
+
+		#region implemented abstract members of SourceText
+		public override void CopyTo (int sourceIndex, char[] destination, int destinationIndex, int count)
+		{
+			while (count --> 0) {
+				destination[destinationIndex++] = doc.GetCharAt (sourceIndex++);
+			}
+		}
+		
+		public override int Length {
+			get {
+				return doc.Length;
+			}
+		}
+
+		public override char this [int index] {
+			get {
+				return doc.GetCharAt (index);
+			}
+		}
+		#endregion
+	}
+
+	class MonoDevelopSourceTextContainer : SourceTextContainer
+	{
+		readonly ITextDocument document;
+		public DocumentId Id {
+			get;
+			private set;
+		}
+
+		public MonoDevelopSourceTextContainer (DocumentId documentId, ITextDocument document) : this (document)
+		{
+			this.Id = documentId;
+		}
+
+		public MonoDevelopSourceTextContainer (ITextDocument document)
+		{
+			this.document = document;
+			this.document.TextChanging += HandleTextReplacing;
+		}
+
+		~MonoDevelopSourceTextContainer ()
+		{
+			document.TextChanging -= HandleTextReplacing;
+		}
+
+		void HandleTextReplacing (object sender, MonoDevelop.Core.Text.TextChangeEventArgs e)
+		{
+			var handler = TextChanged;
+			if (handler != null) {
+				var oldText = CurrentText;
+				var newText = oldText.Replace (e.Offset, e.RemovalLength, e.InsertedText.Text);
+				handler (this, new Microsoft.CodeAnalysis.Text.TextChangeEventArgs (oldText, newText, new TextChangeRange(TextSpan.FromBounds (e.Offset, e.Offset + e.RemovalLength), e.InsertionLength)));
+			}
+			
+		}
+		#region implemented abstract members of SourceTextContainer
+		public override SourceText CurrentText {
+			get {
+				return new MonoDevelopSourceText (document.CreateSnapshot ());
+			}
+		}
+
+		public override event EventHandler<Microsoft.CodeAnalysis.Text.TextChangeEventArgs> TextChanged;
+		#endregion
+	}
+}
+\ No newline at end of file