1 files changed, 76 insertions, 0 deletions
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor.Highlighting/SemanticHighlighting.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor.Highlighting/SemanticHighlighting.cs
new file mode 100644
index 0000000000..f0f27f39f6
--- /dev/null
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor.Highlighting/SemanticHighlighting.cs
@@ -0,0 +1,76 @@
+//
+// SemanticHighlighting.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 MonoDevelop.Core.Text;
+using System.Collections.Generic;
+
+namespace MonoDevelop.Ide.Editor.Highlighting
+{	
+	/// <summary>
+	/// Semantic highlighting adds the ability to add highlighting for things that require
+	/// a background parser to be colored. For example type names.
+	/// </summary>
+	public abstract class SemanticHighlighting : IDisposable
+	{
+		protected readonly internal TextEditor editor;
+		protected readonly internal DocumentContext documentContext;
+
+		protected SemanticHighlighting (TextEditor editor, DocumentContext documentContext)
+		{
+			this.editor = editor;
+			this.documentContext = documentContext;
+			this.documentContext.DocumentParsed += HandleDocumentParsed;
+		}
+
+		protected abstract void DocumentParsed ();
+
+		public void NotifySemanticHighlightingUpdate ()
+		{
+			var handler = SemanticHighlightingUpdated;
+			if (handler != null)
+				handler (this, EventArgs.Empty);
+		}
+
+		/// <summary>
+		/// Colorize the specified offset, count and colorizeCallback.
+		/// </summary>
+		/// <param name="segment">The area to run the colorizer in.</param>
+		public abstract IEnumerable<ColoredSegment> GetColoredSegments (ISegment segment);
+
+		void HandleDocumentParsed (object sender, EventArgs e)
+		{
+			if (DefaultSourceEditorOptions.Instance.EnableSemanticHighlighting)
+				DocumentParsed (); 
+		}
+
+		public void Dispose ()
+		{
+			documentContext.DocumentParsed -= HandleDocumentParsed;
+		}
+
+		internal event EventHandler SemanticHighlightingUpdated;
+	}
+}
+\ No newline at end of file