LCOV - code coverage report
Current view: top level - extensions/source/inc - componentmodule.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 92 0.0 %
Date: 2014-04-14 Functions: 0 27 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 "componentmodule.hxx"
      21             : #include <tools/resmgr.hxx>
      22             : #include <svl/solar.hrc>
      23             : #include <comphelper/sequence.hxx>
      24             : #include <tools/debug.hxx>
      25             : #include <rtl/strbuf.hxx>
      26             : 
      27             : #define ENTER_MOD_METHOD()  \
      28             :     ::osl::MutexGuard aGuard(s_aMutex); \
      29             :     ensureImpl()
      30             : 
      31             : 
      32             : namespace COMPMOD_NAMESPACE
      33             : {
      34             : 
      35             : 
      36             :     using namespace ::com::sun::star::uno;
      37             :     using namespace ::com::sun::star::lang;
      38             :     using namespace ::com::sun::star::registry;
      39             :     using namespace ::comphelper;
      40             :     using namespace ::cppu;
      41             : 
      42             : 
      43             :     //= OModuleImpl
      44             : 
      45             :     /** implementation for <type>OModule</type>. not threadsafe, has to be guarded by its owner
      46             :     */
      47             :     class OModuleImpl
      48             :     {
      49             :         ResMgr*     m_pResources;
      50             :         sal_Bool    m_bInitialized;
      51             :         OString m_sFilePrefix;
      52             : 
      53             :     public:
      54             :         /// ctor
      55             :         OModuleImpl();
      56             :         ~OModuleImpl();
      57             : 
      58             :         /// get the manager for the resources of the module
      59             :         ResMgr* getResManager();
      60           0 :         void    setResourceFilePrefix(const OString& _rPrefix) { m_sFilePrefix = _rPrefix; }
      61             :     };
      62             : 
      63             : 
      64           0 :     OModuleImpl::OModuleImpl()
      65             :         :m_pResources(NULL)
      66           0 :         ,m_bInitialized(sal_False)
      67             :     {
      68           0 :     }
      69             : 
      70             : 
      71           0 :     OModuleImpl::~OModuleImpl()
      72             :     {
      73           0 :         if (m_pResources)
      74           0 :             delete m_pResources;
      75           0 :     }
      76             : 
      77             : 
      78           0 :     ResMgr* OModuleImpl::getResManager()
      79             :     {
      80             :         // note that this method is not threadsafe, which counts for the whole class !
      81           0 :         if (!m_pResources && !m_bInitialized)
      82             :         {
      83             :             DBG_ASSERT(!m_sFilePrefix.isEmpty(), "OModuleImpl::getResManager: no resource file prefix!");
      84             :             // create a manager with a fixed prefix
      85           0 :             m_pResources = ResMgr::CreateResMgr(m_sFilePrefix.getStr());
      86             :             DBG_ASSERT(m_pResources,
      87             :                     OStringBuffer("OModuleImpl::getResManager: could not create the resource manager (file name: ")
      88             :                 .append(m_sFilePrefix)
      89             :                 .append(")!").getStr());
      90             : 
      91           0 :             m_bInitialized = sal_True;
      92             :         }
      93           0 :         return m_pResources;
      94             :     }
      95             : 
      96             : 
      97             :     //= OModule
      98             : 
      99           0 :     ::osl::Mutex    OModule::s_aMutex;
     100             :     sal_Int32       OModule::s_nClients = 0;
     101             :     OModuleImpl*    OModule::s_pImpl = NULL;
     102           0 :     OString  OModule::s_sResPrefix;
     103             : 
     104           0 :     ResMgr* OModule::getResManager()
     105             :     {
     106           0 :         ENTER_MOD_METHOD();
     107           0 :         return s_pImpl->getResManager();
     108             :     }
     109             : 
     110             : 
     111           0 :     void OModule::setResourceFilePrefix(const OString& _rPrefix)
     112             :     {
     113           0 :         ::osl::MutexGuard aGuard(s_aMutex);
     114           0 :         s_sResPrefix = _rPrefix;
     115           0 :         if (s_pImpl)
     116           0 :             s_pImpl->setResourceFilePrefix(_rPrefix);
     117           0 :     }
     118             : 
     119             : 
     120           0 :     void OModule::registerClient()
     121             :     {
     122           0 :         ::osl::MutexGuard aGuard(s_aMutex);
     123           0 :         ++s_nClients;
     124           0 :     }
     125             : 
     126             : 
     127           0 :     void OModule::revokeClient()
     128             :     {
     129           0 :         ::osl::MutexGuard aGuard(s_aMutex);
     130           0 :         if (!--s_nClients && s_pImpl)
     131             :         {
     132           0 :             delete s_pImpl;
     133           0 :             s_pImpl = NULL;
     134           0 :         }
     135           0 :     }
     136             : 
     137             : 
     138           0 :     void OModule::ensureImpl()
     139             :     {
     140           0 :         if (s_pImpl)
     141           0 :             return;
     142           0 :         s_pImpl = new OModuleImpl();
     143           0 :         s_pImpl->setResourceFilePrefix(s_sResPrefix);
     144             :     }
     145             : 
     146             : 
     147             :     //- registration helper
     148             : 
     149             : 
     150             :     Sequence< OUString >*                OModule::s_pImplementationNames = NULL;
     151             :     Sequence< Sequence< OUString > >*    OModule::s_pSupportedServices = NULL;
     152             :     Sequence< sal_Int64 >*                      OModule::s_pCreationFunctionPointers = NULL;
     153             :     Sequence< sal_Int64 >*                      OModule::s_pFactoryFunctionPointers = NULL;
     154             : 
     155             : 
     156           0 :     void OModule::registerComponent(
     157             :         const OUString& _rImplementationName,
     158             :         const Sequence< OUString >& _rServiceNames,
     159             :         ComponentInstantiation _pCreateFunction,
     160             :         FactoryInstantiation _pFactoryFunction)
     161             :     {
     162           0 :         if (!s_pImplementationNames)
     163             :         {
     164             :             OSL_ENSURE(!s_pSupportedServices && !s_pCreationFunctionPointers && !s_pFactoryFunctionPointers,
     165             :                 "OModule::registerComponent : inconsistent state (the pointers (1)) !");
     166           0 :             s_pImplementationNames = new Sequence< OUString >;
     167           0 :             s_pSupportedServices = new Sequence< Sequence< OUString > >;
     168           0 :             s_pCreationFunctionPointers = new Sequence< sal_Int64 >;
     169           0 :             s_pFactoryFunctionPointers = new Sequence< sal_Int64 >;
     170             :         }
     171             :         OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
     172             :             "OModule::registerComponent : inconsistent state (the pointers (2)) !");
     173             : 
     174             :         OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
     175             :                     &&  (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
     176             :                     &&  (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
     177             :             "OModule::registerComponent : inconsistent state !");
     178             : 
     179           0 :         sal_Int32 nOldLen = s_pImplementationNames->getLength();
     180           0 :         s_pImplementationNames->realloc(nOldLen + 1);
     181           0 :         s_pSupportedServices->realloc(nOldLen + 1);
     182           0 :         s_pCreationFunctionPointers->realloc(nOldLen + 1);
     183           0 :         s_pFactoryFunctionPointers->realloc(nOldLen + 1);
     184             : 
     185           0 :         s_pImplementationNames->getArray()[nOldLen] = _rImplementationName;
     186           0 :         s_pSupportedServices->getArray()[nOldLen] = _rServiceNames;
     187           0 :         s_pCreationFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pCreateFunction);
     188           0 :         s_pFactoryFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pFactoryFunction);
     189           0 :     }
     190             : 
     191             : 
     192           0 :     void OModule::revokeComponent(const OUString& _rImplementationName)
     193             :     {
     194           0 :         if (!s_pImplementationNames)
     195             :         {
     196             :             OSL_FAIL("OModule::revokeComponent : have no class infos ! Are you sure called this method at the right time ?");
     197           0 :             return;
     198             :         }
     199             :         OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
     200             :             "OModule::revokeComponent : inconsistent state (the pointers) !");
     201             :         OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
     202             :                     &&  (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
     203             :                     &&  (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
     204             :             "OModule::revokeComponent : inconsistent state !");
     205             : 
     206           0 :         sal_Int32 nLen = s_pImplementationNames->getLength();
     207           0 :         const OUString* pImplNames = s_pImplementationNames->getConstArray();
     208           0 :         for (sal_Int32 i=0; i<nLen; ++i, ++pImplNames)
     209             :         {
     210           0 :             if (pImplNames->equals(_rImplementationName))
     211             :             {
     212           0 :                 removeElementAt(*s_pImplementationNames, i);
     213           0 :                 removeElementAt(*s_pSupportedServices, i);
     214           0 :                 removeElementAt(*s_pCreationFunctionPointers, i);
     215           0 :                 removeElementAt(*s_pFactoryFunctionPointers, i);
     216           0 :                 break;
     217             :             }
     218             :         }
     219             : 
     220           0 :         if (s_pImplementationNames->getLength() == 0)
     221             :         {
     222           0 :             delete s_pImplementationNames; s_pImplementationNames = NULL;
     223           0 :             delete s_pSupportedServices; s_pSupportedServices = NULL;
     224           0 :             delete s_pCreationFunctionPointers; s_pCreationFunctionPointers = NULL;
     225           0 :             delete s_pFactoryFunctionPointers; s_pFactoryFunctionPointers = NULL;
     226             :         }
     227             :     }
     228             : 
     229             : 
     230           0 :     Reference< XInterface > OModule::getComponentFactory(
     231             :         const OUString& _rImplementationName,
     232             :         const Reference< XMultiServiceFactory >& _rxServiceManager)
     233             :     {
     234             :         OSL_ENSURE(_rxServiceManager.is(), "OModule::getComponentFactory : invalid argument (service manager) !");
     235             :         OSL_ENSURE(!_rImplementationName.isEmpty(), "OModule::getComponentFactory : invalid argument (implementation name) !");
     236             : 
     237           0 :         if (!s_pImplementationNames)
     238             :         {
     239             :             OSL_FAIL("OModule::getComponentFactory : have no class infos ! Are you sure called this method at the right time ?");
     240           0 :             return NULL;
     241             :         }
     242             :         OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
     243             :             "OModule::getComponentFactory : inconsistent state (the pointers) !");
     244             :         OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
     245             :                     &&  (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
     246             :                     &&  (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
     247             :             "OModule::getComponentFactory : inconsistent state !");
     248             : 
     249             : 
     250           0 :         Reference< XInterface > xReturn;
     251             : 
     252             : 
     253           0 :         sal_Int32 nLen = s_pImplementationNames->getLength();
     254           0 :         const OUString* pImplName = s_pImplementationNames->getConstArray();
     255           0 :         const Sequence< OUString >* pServices = s_pSupportedServices->getConstArray();
     256           0 :         const sal_Int64* pComponentFunction = s_pCreationFunctionPointers->getConstArray();
     257           0 :         const sal_Int64* pFactoryFunction = s_pFactoryFunctionPointers->getConstArray();
     258             : 
     259           0 :         for (sal_Int32 i=0; i<nLen; ++i, ++pImplName, ++pServices, ++pComponentFunction, ++pFactoryFunction)
     260             :         {
     261           0 :             if (pImplName->equals(_rImplementationName))
     262             :             {
     263           0 :                 const FactoryInstantiation FactoryInstantiationFunction = reinterpret_cast<const FactoryInstantiation>(*pFactoryFunction);
     264           0 :                 const ComponentInstantiation ComponentInstantiationFunction = reinterpret_cast<const ComponentInstantiation>(*pComponentFunction);
     265             : 
     266           0 :                 xReturn = FactoryInstantiationFunction( _rxServiceManager, *pImplName, ComponentInstantiationFunction, *pServices, NULL);
     267           0 :                 if (xReturn.is())
     268             :                 {
     269           0 :                     xReturn->acquire();
     270           0 :                     return xReturn.get();
     271             :                 }
     272             :             }
     273             :         }
     274             : 
     275           0 :         return NULL;
     276             :     }
     277             : 
     278             : 
     279             : 
     280           0 : }   // namespace COMPMOD_NAMESPACE
     281             : 
     282             : 
     283             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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