textword.cs

c#精彩编程百例（源代码）

//  TextWord.cs
//  Copyright (c) 2000 Mike Krueger
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.Drawing;

namespace SharpDevelop.Internal.Text {
	
	public enum TextWordType {
		Word,
		Space,
		Tab
	}
	
	/// <summary>
	/// This class represents single words with color information, two special versions of a word are 
	/// spaces and tabs.
	/// </summary>
	public class TextWord
	{
		SyntaxColor  color;
		string       word;
		string       myword = null;
		int          offset;
		int          length;
		TextWordType type;
		
		public bool NotMarked = false;
		
		// TAB
		public TextWord(TextWordType type)
		{
			this.type = type;
		}
		
		public TextWord(string word, int offset, int length, Syntax syntax, SyntaxColor color)
		{
			this.word  = word;
			this.offset = offset;
			this.length = length;
			
			if (color == null) {
				NotMarked = true;
				this.color = syntax.defaultColor;
			} else
				this.color = color;
			this.type  = TextWordType.Word;
		}
		
		public TextWordType Type {
			get {
				return type;
			}
		}
		public string Word {
			get {
				if (myword == null)
					myword = word.Substring(offset, length);
				return myword;
			}
		}
		
		public Font Font {
			get {
				return color.Font;
			}
		}
		
		public Color Color {
			get {
				return color.Color;
			}
		}
		public SyntaxColor SyntaxColor {
			get {
				return color;
			}
			set {
				color = value;
			}
		}
	}
	
}