sc/source/filter/inc/patterncache.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 <sal/types.h>
  23
  24 class ScPatternAttr;
  25
  26 constexpr sal_Int32 nPatternCacheSize = 16;
  27 class ScPatternCache
  28 {
  29     struct Entry
  30     {
  31         sal_Int32 nXfId;
  32         sal_Int32 nNumFmtId;
  33         ScPatternAttr* pPattern;
  34
  35         Entry();
  36     };
  37
  38     Entry maEntries[nPatternCacheSize];
  39     sal_Int32 nNextPos;
  40
  41 public:
  42     ScPatternCache();
  43
  44     ScPatternAttr* query(sal_Int32 nXfId, sal_Int32 nNumFmtId) const;
  45     void add(sal_Int32 nXfId, sal_Int32 nNumFmtId, ScPatternAttr* pPattern);
  46 };