svx/source/inc/celltypes.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <rtl/ref.hxx>
  23 #include <vector>
  24
  25 namespace sdr::table
  26 {
  27 class Cell;
  28 class TableModel;
  29 class TableRow;
  30 class TableColumn;
  31 class TableRows;
  32 class TableColumns;
  33 typedef rtl::Reference<Cell> CellRef;
  34 typedef rtl::Reference<TableModel> TableModelRef;
  35 typedef rtl::Reference<TableRow> TableRowRef;
  36 typedef rtl::Reference<TableColumn> TableColumnRef;
  37 typedef std::vector<CellRef> CellVector;
  38 typedef std::vector<TableRowRef> RowVector;
  39 typedef std::vector<TableColumnRef> ColumnVector;
  40
  41 template <typename T> class RangeIterator
  42 {
  43 public:
  44     /** creates an iterator from rStart (including) to rEnd (excluding) if
  45         bForward is true or from nEnd (excluding to nStart (including).
  46         rStart must be <= rEnd.
  47     */
  48     RangeIterator(const T& rStart, const T& rEnd, bool bForward)
  49     {
  50         if (bForward)
  51         {
  52             maIter = rStart;
  53             maEnd = rEnd;
  54         }
  55         else
  56         {
  57             maIter = rEnd - 1;
  58             maEnd = rStart - 1;
  59         }
  60     }
  61
  62     /* iterates in the configured direction and returns true if rValue
  63        now contains a valid position in the range of this iterator */
  64     bool next(T& rValue)
  65     {
  66         if (maIter == maEnd)
  67             return false;
  68
  69         rValue = maIter;
  70         if (maIter < maEnd)
  71             ++maIter;
  72         else
  73             --maIter;
  74         return true;
  75     }
  76
  77 private:
  78     T maEnd;
  79     T maIter;
  80 };
  81 }
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */