connectivity/source/resource/sharedresources.cxx

   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 #include <resource/sharedresources.hxx>
  21
  22 #include <unotools/resmgr.hxx>
  23 #include <osl/diagnose.h>
  24 #include <osl/mutex.hxx>
  25 #include <sal/log.hxx>
  26
  27 namespace connectivity
  28 {
  29     namespace {
  30
  31     class SharedResources_Impl
  32     {
  33     private:
  34         static  SharedResources_Impl*   s_pInstance;
  35         static  oslInterlockedCount     s_nClients;
  36
  37     private:
  38         std::locale                     m_aLocale;
  39
  40     public:
  41         static void     registerClient();
  42         static void     revokeClient();
  43
  44         static SharedResources_Impl&
  45                         getInstance();
  46
  47         OUString getResourceString(const char* pId);
  48
  49     private:
  50         SharedResources_Impl();
  51
  52         static ::osl::Mutex& getMutex()
  53         {
  54             static ::osl::Mutex s_aMutex;
  55             return s_aMutex;
  56         }
  57     };
  58
  59     }
  60
  61     SharedResources_Impl*   SharedResources_Impl::s_pInstance( nullptr );
  62     oslInterlockedCount     SharedResources_Impl::s_nClients( 0 );
  63
  64     SharedResources_Impl::SharedResources_Impl()
  65         : m_aLocale(Translate::Create("cnr"))
  66     {
  67     }
  68
  69     OUString SharedResources_Impl::getResourceString(const char* pId)
  70     {
  71         return Translate::get(pId, m_aLocale);
  72     }
  73
  74     void SharedResources_Impl::registerClient()
  75     {
  76         osl_atomic_increment( &s_nClients );
  77     }
  78
  79     void SharedResources_Impl::revokeClient()
  80     {
  81         ::osl::MutexGuard aGuard( getMutex() );
  82         if ( 0 == osl_atomic_decrement( &s_nClients ) )
  83         {
  84             delete s_pInstance;
  85             s_pInstance = nullptr;
  86         }
  87     }
  88
  89
  90     SharedResources_Impl& SharedResources_Impl::getInstance()
  91     {
  92         ::osl::MutexGuard aGuard( getMutex() );
  93         OSL_ENSURE( s_nClients > 0, "SharedResources_Impl::getInstance: no active clients!" );
  94
  95         if ( !s_pInstance )
  96             s_pInstance = new SharedResources_Impl;
  97
  98         return *s_pInstance;
  99     }
 100
 101     namespace
 102     {
 103         size_t lcl_substitute( OUString& _inout_rString,
 104             const char* _pAsciiPattern, const OUString& _rReplace )
 105         {
 106             size_t nOccurrences = 0;
 107
 108             OUString sPattern( OUString::createFromAscii( _pAsciiPattern ) );
 109             sal_Int32 nIndex = 0;
 110             while ( ( nIndex = _inout_rString.indexOf( sPattern ) ) > -1 )
 111             {
 112                 ++nOccurrences;
 113                 _inout_rString = _inout_rString.replaceAt( nIndex, sPattern.getLength(), _rReplace );
 114             }
 115
 116             return nOccurrences;
 117         }
 118     }
 119
 120     SharedResources::SharedResources()
 121     {
 122         SharedResources_Impl::registerClient();
 123     }
 124
 125
 126     SharedResources::~SharedResources()
 127     {
 128         SharedResources_Impl::revokeClient();
 129     }
 130
 131
 132     OUString SharedResources::getResourceString(const char* pResId) const
 133     {
 134         return SharedResources_Impl::getInstance().getResourceString(pResId);
 135     }
 136
 137
 138     OUString SharedResources::getResourceStringWithSubstitution(const char* pResId,
 139                 const char* _pAsciiPatternToReplace, const OUString& _rStringToSubstitute ) const
 140     {
 141         OUString sString( SharedResources_Impl::getInstance().getResourceString(pResId) );
 142         if ( !lcl_substitute( sString, _pAsciiPatternToReplace, _rStringToSubstitute ) )
 143             SAL_WARN("connectivity.resource", "Unable to substitute " << _pAsciiPatternToReplace << " with " << _rStringToSubstitute);
 144         return sString;
 145     }
 146
 147
 148     OUString SharedResources::getResourceStringWithSubstitution(const char* pResId,
 149                 const char* _pAsciiPatternToReplace1, const OUString& _rStringToSubstitute1,
 150                 const char* _pAsciiPatternToReplace2, const OUString& _rStringToSubstitute2 ) const
 151     {
 152         OUString sString( SharedResources_Impl::getInstance().getResourceString(pResId) );
 153         if( !lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) )
 154             SAL_WARN("connectivity.resource", "Unable to substitute " << _pAsciiPatternToReplace1 << " with " << _rStringToSubstitute1);
 155         if( !lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) )
 156             SAL_WARN("connectivity.resource", "Unable to substitute " << _pAsciiPatternToReplace2 << " with " << _rStringToSubstitute2);
 157         return sString;
 158     }
 159
 160
 161     OUString SharedResources::getResourceStringWithSubstitution(const char* pResId,
 162                 const char* _pAsciiPatternToReplace1, const OUString& _rStringToSubstitute1,
 163                 const char* _pAsciiPatternToReplace2, const OUString& _rStringToSubstitute2,
 164                 const char* _pAsciiPatternToReplace3, const OUString& _rStringToSubstitute3 ) const
 165     {
 166         OUString sString( SharedResources_Impl::getInstance().getResourceString(pResId) );
 167         if( !lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) )
 168             SAL_WARN("connectivity.resource", "Unable to substitute " << _pAsciiPatternToReplace1 << " with " << _rStringToSubstitute1);
 169         if( !lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) )
 170             SAL_WARN("connectivity.resource", "Unable to substitute " << _pAsciiPatternToReplace2 << " with " << _rStringToSubstitute2);
 171         if( !lcl_substitute( sString, _pAsciiPatternToReplace3, _rStringToSubstitute3 ) )
 172             SAL_WARN("connectivity.resource", "Unable to substitute " << _pAsciiPatternToReplace3 << " with " << _rStringToSubstitute3);
 173         return sString;
 174     }
 175
 176     OUString SharedResources::getResourceStringWithSubstitution(const char* pResId,
 177                     const std::vector< std::pair<const char* , OUString > >& _rStringToSubstitutes) const
 178     {
 179         OUString sString( SharedResources_Impl::getInstance().getResourceString(pResId) );
 180         for(const auto& [rPattern, rReplace] : _rStringToSubstitutes)
 181             if( !lcl_substitute( sString, rPattern, rReplace ) )
 182                 SAL_WARN("connectivity.resource", "Unable to substitute " << rPattern << " with " << rReplace);
 183
 184         return sString;
 185     }
 186
 187
 188 } // namespace connectivity
 189
 190
 191 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */