extensions/source/inc/componentmodule.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 "componentmodule.hxx"
  22 #include <unotools/resmgr.hxx>
  23 #include <vcl/settings.hxx>
  24 #include <vcl/svapp.hxx>
  25 #include <svl/solar.hrc>
  26 #include <tools/debug.hxx>
  27 #include <rtl/strbuf.hxx>
  28 #include <osl/diagnose.h>
  29
  30 namespace compmodule
  31 {
  32     using namespace ::com::sun::star::uno;
  33     using namespace ::com::sun::star::lang;
  34     using namespace ::com::sun::star::registry;
  35     using namespace ::cppu;
  36
  37     OUString ModuleRes(const char* pId)
  38     {
  39         return Translate::get(pId, Translate::Create("pcr"));
  40     }
  41
  42     //- registration helper
  43
  44     std::vector< OUString >*                OModule::s_pImplementationNames = nullptr;
  45     std::vector< Sequence< OUString > >*    OModule::s_pSupportedServices = nullptr;
  46     std::vector< ComponentInstantiation >*  OModule::s_pCreationFunctionPointers = nullptr;
  47     std::vector< FactoryInstantiation >*    OModule::s_pFactoryFunctionPointers = nullptr;
  48
  49
  50     void OModule::registerComponent(
  51         const OUString& _rImplementationName,
  52         const Sequence< OUString >& _rServiceNames,
  53         ComponentInstantiation _pCreateFunction,
  54         FactoryInstantiation _pFactoryFunction)
  55     {
  56         if (!s_pImplementationNames)
  57         {
  58             OSL_ENSURE(!s_pSupportedServices && !s_pCreationFunctionPointers && !s_pFactoryFunctionPointers,
  59                 "OModule::registerComponent : inconsistent state (the pointers (1)) !");
  60             s_pImplementationNames = new std::vector< OUString >;
  61             s_pSupportedServices = new std::vector< Sequence< OUString > >;
  62             s_pCreationFunctionPointers = new std::vector< ComponentInstantiation >;
  63             s_pFactoryFunctionPointers = new std::vector< FactoryInstantiation >;
  64         }
  65         OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
  66             "OModule::registerComponent : inconsistent state (the pointers (2)) !");
  67
  68         OSL_ENSURE( (s_pImplementationNames->size() == s_pSupportedServices->size())
  69                     &&  (s_pImplementationNames->size() == s_pCreationFunctionPointers->size())
  70                     &&  (s_pImplementationNames->size() == s_pFactoryFunctionPointers->size()),
  71             "OModule::registerComponent : inconsistent state !");
  72
  73         s_pImplementationNames->push_back(_rImplementationName);
  74         s_pSupportedServices->push_back(_rServiceNames);
  75         s_pCreationFunctionPointers->push_back(_pCreateFunction);
  76         s_pFactoryFunctionPointers->push_back(_pFactoryFunction);
  77     }
  78
  79
  80     void OModule::revokeComponent(const OUString& _rImplementationName)
  81     {
  82         if (!s_pImplementationNames)
  83         {
  84             OSL_FAIL("OModule::revokeComponent : have no class infos ! Are you sure called this method at the right time ?");
  85             return;
  86         }
  87         OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
  88             "OModule::revokeComponent : inconsistent state (the pointers) !");
  89         OSL_ENSURE( (s_pImplementationNames->size() == s_pSupportedServices->size())
  90                     &&  (s_pImplementationNames->size() == s_pCreationFunctionPointers->size())
  91                     &&  (s_pImplementationNames->size() == s_pFactoryFunctionPointers->size()),
  92             "OModule::revokeComponent : inconsistent state !");
  93
  94         auto it = std::find(s_pImplementationNames->begin(), s_pImplementationNames->end(), _rImplementationName);
  95         if (it != s_pImplementationNames->end())
  96         {
  97             sal_Int32 i = static_cast<sal_Int32>(std::distance(s_pImplementationNames->begin(), it));
  98             s_pImplementationNames->erase(it);
  99             s_pSupportedServices->erase(s_pSupportedServices->begin() + i);
 100             s_pCreationFunctionPointers->erase(s_pCreationFunctionPointers->begin() + i);
 101             s_pFactoryFunctionPointers->erase(s_pFactoryFunctionPointers->begin() + i);
 102         }
 103
 104         if (s_pImplementationNames->empty())
 105         {
 106             delete s_pImplementationNames; s_pImplementationNames = nullptr;
 107             delete s_pSupportedServices; s_pSupportedServices = nullptr;
 108             delete s_pCreationFunctionPointers; s_pCreationFunctionPointers = nullptr;
 109             delete s_pFactoryFunctionPointers; s_pFactoryFunctionPointers = nullptr;
 110         }
 111     }
 112
 113
 114     Reference< XInterface > OModule::getComponentFactory(
 115         const OUString& _rImplementationName,
 116         const Reference< XMultiServiceFactory >& _rxServiceManager)
 117     {
 118         OSL_ENSURE(_rxServiceManager.is(), "OModule::getComponentFactory : invalid argument (service manager) !");
 119         OSL_ENSURE(!_rImplementationName.isEmpty(), "OModule::getComponentFactory : invalid argument (implementation name) !");
 120
 121         if (!s_pImplementationNames)
 122         {
 123             OSL_FAIL("OModule::getComponentFactory : have no class infos ! Are you sure called this method at the right time ?");
 124             return nullptr;
 125         }
 126         OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
 127             "OModule::getComponentFactory : inconsistent state (the pointers) !");
 128         OSL_ENSURE( (s_pImplementationNames->size() == s_pSupportedServices->size())
 129                     &&  (s_pImplementationNames->size() == s_pCreationFunctionPointers->size())
 130                     &&  (s_pImplementationNames->size() == s_pFactoryFunctionPointers->size()),
 131             "OModule::getComponentFactory : inconsistent state !");
 132
 133
 134         sal_Int32 nLen = s_pImplementationNames->size();
 135
 136         for (sal_Int32 i=0; i<nLen; ++i)
 137         {
 138             if ((*s_pImplementationNames)[i] == _rImplementationName)
 139             {
 140                 const FactoryInstantiation FactoryInstantiationFunction = (*s_pFactoryFunctionPointers)[i];
 141
 142                 Reference< XInterface > xReturn = FactoryInstantiationFunction( _rxServiceManager, _rImplementationName,
 143                     (*s_pCreationFunctionPointers)[i],
 144                     (*s_pSupportedServices)[i], nullptr);
 145                 return xReturn;
 146             }
 147         }
 148
 149         return nullptr;
 150     }
 151
 152
 153 }   // namespace compmodule
 154
 155
 156 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */