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