sc/source/filter/xml/cachedattraccess.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
  10 #pragma once
  11
  12 #include <sal/types.h>
  13
  14 class ScDocument;
  15
  16 /**
  17  * Wrapper for accessing hidden and filtered row attributes.  It caches last
  18  * accessed values for a current range, to avoid fetching values for every
  19  * single row.
  20  */
  21 class ScXMLCachedRowAttrAccess
  22 {
  23     struct Cache
  24     {
  25         sal_Int32   mnTab;
  26         sal_Int32   mnRow1;
  27         sal_Int32   mnRow2;
  28         bool        mbValue;
  29         Cache();
  30         bool hasCache(sal_Int32 nTab, sal_Int32 nRow) const;
  31     };
  32
  33 public:
  34     explicit ScXMLCachedRowAttrAccess(ScDocument* pDoc);
  35
  36     bool rowHidden(sal_Int32 nTab, sal_Int32 nRow, sal_Int32& nEndRow);
  37     bool rowFiltered(sal_Int32 nTab, sal_Int32 nRow, sal_Int32& nEndRow);
  38 private:
  39     Cache maHidden;
  40     Cache maFiltered;
  41     ScDocument* mpDoc;
  42 };
  43
  44 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */