connectivity/source/resource/sharedresources.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_connectivity.hxx"
  33 #include "resource/sharedresources.hxx"
  34
  35 #include <comphelper/processfactory.hxx>
  36 #include <comphelper/officeresourcebundle.hxx>
  37
  38 /** === begin UNO includes === **/
  39 #include <com/sun/star/beans/XPropertySet.hpp>
  40 #include <com/sun/star/uno/XComponentContext.hpp>
  41 /** === end UNO includes === **/
  42
  43 #include <tools/diagnose_ex.h>
  44 #include <osl/diagnose.h>
  45
  46 //........................................................................
  47 namespace connectivity
  48 {
  49 //........................................................................
  50
  51     /** === begin UNO using === **/
  52     using ::com::sun::star::uno::Reference;
  53     using ::com::sun::star::beans::XPropertySet;
  54     using ::com::sun::star::uno::UNO_QUERY_THROW;
  55     using ::com::sun::star::uno::XComponentContext;
  56     using ::com::sun::star::uno::Exception;
  57     /** === end UNO using === **/
  58
  59     //====================================================================
  60     //= SharedResources_Impl
  61     //====================================================================
  62     class SharedResources_Impl
  63     {
  64     private:
  65         static  SharedResources_Impl*   s_pInstance;
  66         static  oslInterlockedCount     s_nClients;
  67
  68     private:
  69         ::std::auto_ptr< ::comphelper::OfficeResourceBundle >
  70                                         m_pResourceBundle;
  71
  72     public:
  73         static void     registerClient();
  74         static void     revokeClient();
  75
  76         static SharedResources_Impl&
  77                         getInstance();
  78
  79         ::rtl::OUString getResourceString( ResourceId _nId );
  80
  81     private:
  82         SharedResources_Impl();
  83
  84         static ::osl::Mutex& getMutex()
  85         {
  86             static ::osl::Mutex s_aMutex;
  87             return s_aMutex;
  88         }
  89     };
  90
  91     //--------------------------------------------------------------------
  92     SharedResources_Impl*   SharedResources_Impl::s_pInstance( NULL );
  93     oslInterlockedCount     SharedResources_Impl::s_nClients( 0 );
  94
  95     //--------------------------------------------------------------------
  96     SharedResources_Impl::SharedResources_Impl()
  97     {
  98         try
  99         {
 100             Reference< XPropertySet > xFactoryProps(
 101                 ::comphelper::getProcessServiceFactory(), UNO_QUERY_THROW );
 102             Reference< XComponentContext > xContext(
 103                 xFactoryProps->getPropertyValue( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "DefaultContext" ) ) ),
 104                 UNO_QUERY_THROW
 105             );
 106             m_pResourceBundle.reset( new ::comphelper::OfficeResourceBundle( xContext, "cnr" ) );
 107         }
 108         catch( const Exception& )
 109         {
 110             DBG_UNHANDLED_EXCEPTION();
 111         }
 112     }
 113
 114     //--------------------------------------------------------------------
 115     ::rtl::OUString SharedResources_Impl::getResourceString( ResourceId _nId )
 116     {
 117         if ( m_pResourceBundle.get() == NULL )
 118             // this should never happen, but we gracefully ignore it. It has been reported
 119             // in the constructor in non-product builds.
 120             return ::rtl::OUString();
 121
 122         return m_pResourceBundle->loadString( _nId );
 123     }
 124
 125     //--------------------------------------------------------------------
 126     void SharedResources_Impl::registerClient()
 127     {
 128         osl_incrementInterlockedCount( &s_nClients );
 129     }
 130
 131     //--------------------------------------------------------------------
 132     void SharedResources_Impl::revokeClient()
 133     {
 134         ::osl::MutexGuard aGuard( getMutex() );
 135         if ( 0 == osl_decrementInterlockedCount( &s_nClients ) )
 136         {
 137             delete s_pInstance;
 138             s_pInstance = NULL;
 139         }
 140     }
 141
 142     //--------------------------------------------------------------------
 143     SharedResources_Impl& SharedResources_Impl::getInstance()
 144     {
 145         ::osl::MutexGuard aGuard( getMutex() );
 146         OSL_ENSURE( s_nClients > 0, "SharedResources_Impl::getInstance: no active clients!" );
 147
 148         if ( !s_pInstance )
 149             s_pInstance = new SharedResources_Impl;
 150
 151         return *s_pInstance;
 152     }
 153
 154     //====================================================================
 155     //= helpers
 156     //====================================================================
 157     namespace
 158     {
 159         size_t lcl_substitute( ::rtl::OUString& _inout_rString,
 160             const sal_Char* _pAsciiPattern, const ::rtl::OUString& _rReplace )
 161         {
 162             size_t nOccurences = 0;
 163
 164             ::rtl::OUString sPattern( ::rtl::OUString::createFromAscii( _pAsciiPattern ) );
 165             sal_Int32 nIndex = 0;
 166             while ( ( nIndex = _inout_rString.indexOf( sPattern ) ) > -1 )
 167             {
 168                 ++nOccurences;
 169                 _inout_rString = _inout_rString.replaceAt( nIndex, sPattern.getLength(), _rReplace );
 170             }
 171
 172             return nOccurences;
 173         }
 174     }
 175
 176     //====================================================================
 177     //= SharedResources
 178     //====================================================================
 179     //--------------------------------------------------------------------
 180     SharedResources::SharedResources()
 181     {
 182         SharedResources_Impl::registerClient();
 183     }
 184
 185     //--------------------------------------------------------------------
 186     SharedResources::~SharedResources()
 187     {
 188         SharedResources_Impl::revokeClient();
 189     }
 190
 191     //--------------------------------------------------------------------
 192     ::rtl::OUString SharedResources::getResourceString( ResourceId _nResId ) const
 193     {
 194         return SharedResources_Impl::getInstance().getResourceString( _nResId );
 195     }
 196
 197     //--------------------------------------------------------------------
 198     ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
 199                 const sal_Char* _pAsciiPatternToReplace, const ::rtl::OUString& _rStringToSubstitute ) const
 200     {
 201         ::rtl::OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
 202         OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace, _rStringToSubstitute ) );
 203         return sString;
 204     }
 205
 206     //--------------------------------------------------------------------
 207     ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
 208                 const sal_Char* _pAsciiPatternToReplace1, const ::rtl::OUString& _rStringToSubstitute1,
 209                 const sal_Char* _pAsciiPatternToReplace2, const ::rtl::OUString& _rStringToSubstitute2 ) const
 210     {
 211         ::rtl::OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
 212         OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) );
 213         OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) );
 214         return sString;
 215     }
 216
 217     //--------------------------------------------------------------------
 218     ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
 219                 const sal_Char* _pAsciiPatternToReplace1, const ::rtl::OUString& _rStringToSubstitute1,
 220                 const sal_Char* _pAsciiPatternToReplace2, const ::rtl::OUString& _rStringToSubstitute2,
 221                 const sal_Char* _pAsciiPatternToReplace3, const ::rtl::OUString& _rStringToSubstitute3 ) const
 222     {
 223         ::rtl::OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
 224         OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) );
 225         OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) );
 226         OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace3, _rStringToSubstitute3 ) );
 227         return sString;
 228     }
 229     //--------------------------------------------------------------------
 230     ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
 231                     const ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > > _aStringToSubstitutes) const
 232     {
 233         ::rtl::OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
 234         ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > >::const_iterator aIter = _aStringToSubstitutes.begin();
 235         ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > >::const_iterator aEnd  = _aStringToSubstitutes.end();
 236         for(;aIter != aEnd; ++aIter)
 237             OSL_VERIFY( lcl_substitute( sString, aIter->first, aIter->second ) );
 238
 239         return sString;
 240     }
 241
 242 //........................................................................
 243 } // namespace connectivity
 244 //........................................................................
 245