| /******************************************************************************* |
| * 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) |
| *******************************************************************************/ |
| |
| using System; |
| using System.Collections.Generic; |
| |
| namespace AppsheetEpplus; |
| |
| public class FunctionCompilerFactory { |
| private readonly Dictionary<Type, FunctionCompiler> _specialCompilers = new(); |
| |
| public FunctionCompilerFactory(FunctionRepository repository) { |
| _specialCompilers.Add(typeof(If), new IfFunctionCompiler(repository.GetFunction("if"))); |
| _specialCompilers.Add( |
| typeof(IfError), |
| new IfErrorFunctionCompiler(repository.GetFunction("iferror"))); |
| _specialCompilers.Add(typeof(IfNa), new IfNaFunctionCompiler(repository.GetFunction("ifna"))); |
| } |
| |
| private FunctionCompiler GetCompilerByType(ExcelFunction function) { |
| var funcType = function.GetType(); |
| if (_specialCompilers.ContainsKey(funcType)) { |
| return _specialCompilers[funcType]; |
| } |
| return new DefaultCompiler(function); |
| } |
| |
| public virtual FunctionCompiler Create(ExcelFunction function) { |
| if (function.IsLookupFuction) { |
| return new LookupFunctionCompiler(function); |
| } |
| if (function.IsErrorHandlingFunction) { |
| return new ErrorHandlingFunctionCompiler(function); |
| } |
| return GetCompilerByType(function); |
| } |
| } |