Mono.TextEditor.TextDocument.GetDiffCodes C# (CSharp) Method

		int[] GetDiffCodes (ref int codeCounter, Dictionary<string, int> codeDictionary, bool includeEol)
		{
			int i = 0;
			var result = new int[LineCount];
			foreach (DocumentLine line in Lines) {
				string lineText = buffer.ToString (line.Offset, includeEol ? line.LengthIncludingDelimiter : line.Length);
				int curCode;
				if (!codeDictionary.TryGetValue (lineText, out curCode)) {
					codeDictionary[lineText] = curCode = ++codeCounter;
				}
				result[i] = curCode;
				i++;
			}
			return result;
		}
		

		public IEnumerable<Hunk> Diff (TextDocument changedDocument, bool includeEol = true)
		{
			var codeDictionary = new Dictionary<string, int> ();
			int codeCounter = 0;
			return Mono.TextEditor.Utils.Diff.GetDiff<int> (this.GetDiffCodes (ref codeCounter, codeDictionary, includeEol),
				changedDocument.GetDiffCodes (ref codeCounter, codeDictionary, includeEol));
		}