# Cppcheck report - LibreOffice: odk/examples/DevelopersGuide/Database/DriverSkeleton/SServices.cxx

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    /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
    /*************************************************************************
     *
     *  The Contents of this file are made available subject to the terms of
     *  the BSD license.
     *
     *  Copyright 2000, 2010 Oracle and/or its affiliates.
     *  All rights reserved.
     *
     *  Redistribution and use in source and binary forms, with or without
     *  modification, are permitted provided that the following conditions
     *  are met:
     *  1. Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *  2. Redistributions in binary form must reproduce the above copyright
     *     notice, this list of conditions and the following disclaimer in the
     *     documentation and/or other materials provided with the distribution.
     *  3. Neither the name of Sun Microsystems, Inc. nor the names of its
     *     contributors may be used to endorse or promote products derived
     *     from this software without specific prior written permission.
     *
     *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
     *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
     *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     *************************************************************************/

    #include <sal/types.h>
    #include "SDriver.hxx"
    #include <cppuhelper/factory.hxx>
    #include <osl/diagnose.h>
    #include <uno/lbnames.h>

    using namespace connectivity::skeleton;
    using ::rtl::OUString;
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::uno::Sequence;
    using ::com::sun::star::registry::XRegistryKey;
    using ::com::sun::star::lang::XSingleServiceFactory;
    using ::com::sun::star::lang::XMultiServiceFactory;

    typedef Reference< XSingleServiceFactory > (SAL_CALL *createFactoryFunc)
            (
                const Reference< XMultiServiceFactory > & rServiceManager,
                const OUString & rComponentName,
                ::cppu::ComponentInstantiation pCreateFunction,
                const Sequence< OUString > & rServiceNames,
                rtl_ModuleCount*
            );

    // The required C-Api must be provided!
    // It contains of 3 special functions that have to be exported.

    void REGISTER_PROVIDER(<--- The function 'REGISTER_PROVIDER' is never used.
            const OUString& aServiceImplName,
            const Sequence< OUString>& Services,
            const Reference< ::com::sun::star::registry::XRegistryKey > & xKey)
    {
        OUString aMainKeyName("/");
        aMainKeyName += aServiceImplName;
        aMainKeyName += "/UNO/SERVICES";

        Reference< ::com::sun::star::registry::XRegistryKey >  xNewKey( xKey->createKey(aMainKeyName) );
        OSL_ENSURE(xNewKey.is(), "SKELETON::component_writeInfo : could not create a registry key !");

        for (sal_uInt32 i=0; i<Services.getLength(); ++i)
            xNewKey->createKey(Services[i]);
    }

    struct ProviderRequest
    {
        Reference< XSingleServiceFactory > xRet;
        Reference< XMultiServiceFactory > const xServiceManager;
        OUString const sImplementationName;

        ProviderRequest(
            void* pServiceManager,
            sal_Char const* pImplementationName
        )
        : xServiceManager(reinterpret_cast<XMultiServiceFactory*>(pServiceManager))
        , sImplementationName(OUString::createFromAscii(pImplementationName))
        {
        }

        inline
        sal_Bool CREATE_PROVIDER(
                    const OUString& Implname,
                    const Sequence< OUString > & Services,
                    ::cppu::ComponentInstantiation Factory,
                    createFactoryFunc creator
                )
        {
            if (!xRet.is() && (Implname == sImplementationName))
            try
            {
                xRet = creator( xServiceManager, sImplementationName,Factory, Services,0);
            }
            catch(...)
            {
            }
            return xRet.is();
        }

        void* getProvider() const { return xRet.get(); }
    };

    extern "C" SAL_DLLPUBLIC_EXPORT void* SAL_CALL component_getFactory(
                        const sal_Char* pImplementationName,
                        void* pServiceManager,
                        void* pRegistryKey)
    {
        void* pRet = 0;
        if (pServiceManager)
        {
            ProviderRequest aReq(pServiceManager,pImplementationName);

            aReq.CREATE_PROVIDER(
                SkeletonDriver::getImplementationName_Static(),
                SkeletonDriver::getSupportedServiceNames_Static(),
                SkeletonDriver_CreateInstance, ::cppu::createSingleFactory)
            ;

            if(aReq.xRet.is())
                aReq.xRet->acquire();

            pRet = aReq.getProvider();
        }

        return pRet;
    };

    extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL
    component_getImplementationEnvironment(
        char const ** ppEnvTypeName, uno_Environment **)
    {
        *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */