﻿/*******************************************************************************
 * You may amend and distribute as you like, but don't remove this header!
 *
 * EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
 * See http://www.codeplex.com/EPPlus for details.
 *
 * Copyright (C) 2011  Jan Källman
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.

 * This library 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 Lesser General Public License for more details.
 *
 * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
 * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
 *
 * All code and executables are provided "as is" with no warranty either express or implied.
 * The author accepts no liability for any damage or loss of business that this product may cause.
 *
 * Code change notes:
 *
 * Author							Change						Date
 * ******************************************************************************
 * Mats Alm   		                Added       		        2013-03-01 (Prior file history on https://github.com/swmal/ExcelFormulaParser)
 *******************************************************************************/

namespace OfficeOpenXml.FormulaParsing.LexicalAnalysis;

public class Token {
  public Token(string token, TokenType tokenType) {
    Value = token;
    TokenType = tokenType;
  }

  public string Value { get; internal set; }

  public TokenType TokenType { get; internal set; }

  public void Append(string stringToAppend) {
    Value += stringToAppend;
  }

  public bool IsNegated { get; private set; }

  public void Negate() {
    if (TokenType == TokenType.Decimal
        || TokenType == TokenType.Integer
        || TokenType == TokenType.ExcelAddress) {
      IsNegated = true;
    }
  }

  public override string ToString() {
    return TokenType + ", " + Value;
  }
}