desktop/source/deployment/inc/dp_persmap.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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
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  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 #ifndef INCLUDED_DESKTOP_SOURCE_DEPLOYMENT_INC_DP_PERSMAP_H
  21 #define INCLUDED_DESKTOP_SOURCE_DEPLOYMENT_INC_DP_PERSMAP_H
  22
  23 #include <rtl/ustring.hxx>
  24 #include <osl/file.hxx>
  25 #include <unordered_map>
  26
  27 namespace dp_misc
  28 {
  29
  30 typedef std::unordered_map<
  31     OString, OString > t_string2string_map;
  32
  33 // Class to read obsolete registered extensions
  34 // should be removed for LibreOffice 4.0
  35 class PersistentMap final
  36 {
  37     ::osl::File m_MapFile;
  38     t_string2string_map m_entries;
  39     bool m_bIsOpen;
  40     bool m_bToBeCreated;
  41     bool m_bIsDirty;
  42
  43 public:
  44     ~PersistentMap();
  45     PersistentMap( OUString const & url );
  46     /** in mem db */
  47     PersistentMap();
  48
  49     bool has( OString const & key ) const;
  50     bool get( OString * value, OString const & key ) const;
  51     const t_string2string_map& getEntries() const { return m_entries; }
  52     void put( OString const & key, OString const & value );
  53     bool erase( OString const & key );
  54
  55 private:
  56     void open();
  57     void readAll();
  58     void add( OString const & key, OString const & value );
  59     void flush();
  60 };
  61
  62 }
  63
  64 #endif
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */