connectivity/source/drivers/mysqlc/mysqlc_services.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 "mysqlc_driver.hxx"
  21
  22 #include <cppuhelper/factory.hxx>
  23 #include <uno/lbnames.h>
  24 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  25
  26 using namespace connectivity::mysqlc;
  27 using ::com::sun::star::lang::XMultiServiceFactory;
  28 using ::com::sun::star::lang::XSingleServiceFactory;
  29 using ::com::sun::star::uno::Reference;
  30 using ::com::sun::star::uno::Sequence;
  31
  32 typedef Reference<XSingleServiceFactory> (*createFactoryFunc)(
  33     const Reference<XMultiServiceFactory>& rServiceManager, const OUString& rComponentName,
  34     ::cppu::ComponentInstantiation pCreateFunction, const Sequence<OUString>& rServiceNames,
  35     rtl_ModuleCount*);
  36
  37 namespace
  38 {
  39 struct ProviderRequest
  40 {
  41     Reference<XSingleServiceFactory> xRet;
  42     Reference<XMultiServiceFactory> const xServiceManager;
  43     OUString const sImplementationName;
  44
  45     ProviderRequest(void* pServiceManager, char const* pImplementationName)
  46         : xServiceManager(static_cast<XMultiServiceFactory*>(pServiceManager))
  47         , sImplementationName(OUString::createFromAscii(pImplementationName))
  48     {
  49     }
  50
  51     bool CREATE_PROVIDER(std::u16string_view Implname, const Sequence<OUString>& Services,
  52                          ::cppu::ComponentInstantiation Factory, createFactoryFunc creator)
  53     {
  54         if (!xRet.is() && (Implname == sImplementationName))
  55         {
  56             try
  57             {
  58                 xRet = creator(xServiceManager, sImplementationName, Factory, Services, nullptr);
  59             }
  60             catch (...)
  61             {
  62             }
  63         }
  64         return xRet.is();
  65     }
  66
  67     void* getProvider() const { return xRet.get(); }
  68 };
  69 }
  70
  71 extern "C" SAL_DLLPUBLIC_EXPORT void* component_getFactory(const char* pImplementationName,
  72                                                            void* pServiceManager,
  73                                                            void* /* pRegistryKey */)
  74 {
  75     void* pRet = nullptr;
  76     if (pServiceManager)
  77     {
  78         ProviderRequest aReq(pServiceManager, pImplementationName);
  79
  80         aReq.CREATE_PROVIDER(MysqlCDriver::getImplementationName_Static(),
  81                              MysqlCDriver::getSupportedServiceNames_Static(),
  82                              MysqlCDriver_CreateInstance, ::cppu::createSingleFactory);
  83
  84         if (aReq.xRet.is())
  85         {
  86             aReq.xRet->acquire();
  87         }
  88
  89         pRet = aReq.getProvider();
  90     }
  91
  92     return pRet;
  93 };
  94
  95 extern "C" SAL_DLLPUBLIC_EXPORT void
  96 component_getImplementationEnvironment(char const** ppEnvTypeName, uno_Environment**)
  97 {
  98     *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
  99 }
 100
 101 /*
 102  * Local variables:
 103  * tab-width: 4
 104  * c-basic-offset: 4
 105  * End:
 106  * vim600: noet sw=4 ts=4 fdm=marker
 107  * vim<600: noet sw=4 ts=4
 108  */
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */