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 #ifndef INCLUDED_SC_SOURCE_FILTER_XML_CACHEDATTRACCESS_HXX
  11 #define INCLUDED_SC_SOURCE_FILTER_XML_CACHEDATTRACCESS_HXX
  12
  13 #include <sal/types.h>
  14
  15 class ScDocument;
  16
  17 /**
  18  * Wrapper for accessing hidden and filtered row attributes.  It caches last
  19  * accessed values for a current range, to avoid fetching values for every
  20  * single row.
  21  */
  22 class ScXMLCachedRowAttrAccess
  23 {
  24     struct Cache
  25     {
  26         sal_Int32   mnTab;
  27         sal_Int32   mnRow1;
  28         sal_Int32   mnRow2;
  29         bool        mbValue;
  30         Cache();
  31         bool hasCache(sal_Int32 nTab, sal_Int32 nRow) const;
  32     };
  33
  34 public:
  35     ScXMLCachedRowAttrAccess(ScDocument* pDoc);
  36
  37     bool rowHidden(sal_Int32 nTab, sal_Int32 nRow);
  38     bool rowFiltered(sal_Int32 nTab, sal_Int32 nRow);
  39 private:
  40     Cache maHidden;
  41     Cache maFiltered;
  42     ScDocument* mpDoc;
  43 };
  44
  45 #endif
  46
  47 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */