| 1 | /* Copyright (C) 2011 Jan Källman
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| 2 | *
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| 3 | * This library is free software; you can redistribute it and/or
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| 4 | * modify it under the terms of the GNU Lesser General Public
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| 5 | * License as published by the Free Software Foundation; either
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| 6 | * version 2.1 of the License, or (at your option) any later version.
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| 7 |
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| 8 | * This library is distributed in the hope that it will be useful,
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 11 | * See the GNU Lesser General Public License for more details.
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| 12 | *
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| 13 | * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
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| 14 | * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
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| 15 | *
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| 16 | * All code and executables are provided "as is" with no warranty either express or implied.
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| 17 | * The author accepts no liability for any damage or loss of business that this product may cause.
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| 18 | *
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| 19 | * Code change notes:
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| 20 | *
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| 21 | * Author Change Date
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| 22 | *******************************************************************************
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| 23 | * Mats Alm Added 2013-12-03
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| 24 | *******************************************************************************/
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| 25 | using System;
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| 26 | using System.Collections.Generic;
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| 27 | using System.Linq;
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| 28 | using System.Text;
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| 29 |
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| 30 | namespace OfficeOpenXml.FormulaParsing.Excel.Functions
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| 31 | {
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| 32 | public class FunctionArgument
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| 33 | {
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| 34 | public FunctionArgument(object val)
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| 35 | {
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| 36 | Value = val;
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| 37 | }
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| 38 |
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| 39 | private ExcelCellState _excelCellState;
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| 40 |
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| 41 | public void SetExcelStateFlag(ExcelCellState state)
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| 42 | {
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| 43 | _excelCellState |= state;
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| 44 | }
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| 45 |
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| 46 | public bool ExcelStateFlagIsSet(ExcelCellState state)
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| 47 | {
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| 48 | return (_excelCellState & state) != 0;
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| 49 | }
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| 50 |
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| 51 | public object Value { get; private set; }
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| 52 |
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| 53 | public Type Type
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| 54 | {
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| 55 | get { return Value != null ? Value.GetType() : null; }
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| 56 | }
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| 57 |
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| 58 | public bool IsExcelRange
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| 59 | {
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| 60 | get { return Value != null && Value is EpplusExcelDataProvider.IRangeInfo; }
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| 61 | }
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| 62 |
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| 63 | public bool ValueIsExcelError
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| 64 | {
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| 65 | get { return ExcelErrorValue.Values.IsErrorValue(Value); }
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| 66 | }
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| 67 |
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| 68 | public ExcelErrorValue ValueAsExcelErrorValue
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| 69 | {
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| 70 | get { return ExcelErrorValue.Parse(Value.ToString()); }
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| 71 | }
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| 72 |
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| 73 | public EpplusExcelDataProvider.IRangeInfo ValueAsRangeInfo
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| 74 | {
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| 75 | get { return Value as EpplusExcelDataProvider.IRangeInfo; }
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| 76 | }
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| 77 | public object ValueFirst
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| 78 | {
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| 79 | get
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| 80 | {
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| 81 | if (Value is ExcelDataProvider.INameInfo)
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| 82 | {
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| 83 | Value = ((ExcelDataProvider.INameInfo)Value).Value;
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| 84 | }
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| 85 | var v = Value as ExcelDataProvider.IRangeInfo;
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| 86 | if (v==null)
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| 87 | {
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| 88 | return Value;
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| 89 | }
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| 90 | else
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| 91 | {
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| 92 | return v.GetValue(v.Address._fromRow, v.Address._fromCol);
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| 93 | }
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| 94 | }
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| 95 | }
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| 96 |
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| 97 | }
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| 98 | }
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