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ICSharpCode.TextEditor/Project/Src/Document/FoldingStrategy/IndentFoldingStrategy.cs

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+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Collections.Generic;
+
+namespace ICSharpCode.TextEditor.Document
+{
+	/// <summary>
+	/// A simple folding strategy which calculates the folding level
+	/// using the indent level of the line.
+	/// </summary>
+	public class IndentFoldingStrategy : IFoldingStrategy
+	{
+		public List<FoldMarker> GenerateFoldMarkers(IDocument document, string fileName, object parseInformation)
+		{
+			List<FoldMarker> l = new List<FoldMarker>();
+			Stack<int> offsetStack = new Stack<int>();
+			Stack<string> textStack = new Stack<string>();
+			//int level = 0;
+			//foreach (LineSegment segment in document.LineSegmentCollection) {
+			//	
+			//}
+			return l;
+		}
+		
+		int GetLevel(IDocument document, int offset)
+		{
+			int level = 0;
+			int spaces = 0;
+			for (int i = offset; i < document.TextLength; ++i) {
+				char c = document.GetCharAt(i);
+				if (c == '\t' || (c == ' ' && ++spaces == 4)) {
+					spaces = 0;
+					++level;
+				} else {
+					break;
+				}
+			}
+			return level;
+		}
+	}
+}