AppsheetEpplus/FormulaParsing/Excel/Functions/CellStateHelper.cs

/* 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		                2013-12-03
 *******************************************************************************/

using System;
using System.Linq;

namespace AppsheetEpplus;

internal static class CellStateHelper {
  private static bool IsSubTotal(ExcelDataProvider.ICellInfo c) {
    var tokens = c.Tokens;
    if (tokens == null) {
      return false;
    }
    return c.Tokens.Any(token =>
        token.TokenType == TokenType.Function
            && token.Value.Equals("SUBTOTAL", StringComparison.InvariantCultureIgnoreCase));
  }

  internal static bool ShouldIgnore(
      bool ignoreHiddenValues,
      ExcelDataProvider.ICellInfo c,
      ParsingContext context) {
    return (ignoreHiddenValues && c.IsHiddenRow)
        || (context.Scopes.Current.IsSubtotal && IsSubTotal(c));
  }

  internal static bool ShouldIgnore(
      bool ignoreHiddenValues,
      FunctionArgument arg,
      ParsingContext context) {
    return (ignoreHiddenValues && arg.ExcelStateFlagIsSet(ExcelCellState.HiddenCell));
  }
}