kev/Drawer/UCDraw/UCDraw/RTF/RtfToken.cs

// <copyright file="RtfToken.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace UCDraw.RTF
{
    /// <summary>
    /// [<NumericParameter/>]
    /// </summary>
    public class RtfToken
    {
        private RtfTokenType intType = RtfTokenType.None;
        /// <summary>
        /// type
        /// </summary>
        public RtfTokenType Type
        {
            get { return intType; }
            set { intType = value; }
        }

        private string strKey = null;
        /// <summary>
        /// keyword
        /// </summary>
        public string Key
        {
            get { return strKey; }
            set { strKey = value; }
        }

        private bool bolHasParam = false;
        /// <summary>
        ///
        /// </summary>
        public bool HasParam
        {
            get { return bolHasParam; }
            set { bolHasParam = value; }
        }

        private int intParam = 0;
        public int Param
        {
            get { return intParam; }
            set { intParam = value; }
        }

        private RtfToken myParent = null;
        /// <summary>
        /// parent token
        /// </summary>
        public RtfToken Parent
        {
            get { return myParent; }
            set { myParent = value; }
        }
        public bool IsTextToken
        {
            get
            {
                if (intType == RtfTokenType.Text)
                    return true;
                if (intType == RtfTokenType.Control && strKey == "'" && bolHasParam)
                    return true;
                return false;
            }
        }

        public override string ToString()
        {
            if (intType == RtfTokenType.Keyword)
            {
                return this.Key + this.Param;
            }
            else if (intType == RtfTokenType.GroupStart)
            {
                return "{";
            }
            else if (intType == RtfTokenType.GroupEnd)
            {
                return "}";
            }
            else if (intType == RtfTokenType.Text)
            {
                return "Text:" + this.Param;
            }
            return intType.ToString() + ":" + this.Key + " " + this.Param;
        }
    }
    public enum RtfTokenType
    {
        None,
        Keyword,
        ExtKeyword,
        Control,
        Text,
        Eof,
        GroupStart,
        GroupEnd
    }
}