//
// TextMateIndentationTracker.cs
//
// Author:
//       Mike Krüger <mikkrg@microsoft.com>
//
// Copyright (c) 2016 Microsoft Corporation
//
// 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.Ide.Editor.Extension;
using MonoDevelop.Ide.Editor.Highlighting;
using MonoDevelop.Ide.Editor.Highlighting.RegexEngine;

namespace MonoDevelop.Ide.Editor.TextMate
{
	class TextMateIndentationTracker : IndentationTracker
	{
		readonly TextEditor editor;
		readonly CacheIndentEngine engine;

		public TextMateDocumentIndentEngine DocumentIndentEngine { get; private set; }

		public TextMateIndentationTracker (TextEditor editor)
		{
			this.editor = editor;
			DocumentIndentEngine = new TextMateDocumentIndentEngine (editor);
			engine = new CacheIndentEngine (DocumentIndentEngine);
        }

		public override string GetIndentationString (int lineNumber)
		{
			engine.Update (editor, lineNumber);
			return engine.ThisLineIndent;
		}
	}
}