/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include "comphelper/serviceinfohelper.hxx"
#include <stdarg.h>

// #####################################################################

namespace comphelper
{

/** returns an empty UString(). most times sufficient */
OUString SAL_CALL ServiceInfoHelper::getImplementationName() throw( ::com::sun::star::uno::RuntimeException )
{
    return OUString();
}

/** the base implementation iterates over the service names from <code>getSupportedServiceNames</code> */
sal_Bool SAL_CALL ServiceInfoHelper::supportsService( const OUString& ServiceName ) throw(::com::sun::star::uno::RuntimeException)
{
    return supportsService( ServiceName, getSupportedServiceNames() );
}

sal_Bool SAL_CALL ServiceInfoHelper::supportsService( const OUString& ServiceName, const ::com::sun::star::uno::Sequence< OUString >& SupportedServices ) throw()
{
    const OUString * pArray = SupportedServices.getConstArray();
    for( sal_Int32 i = 0; i < SupportedServices.getLength(); i++ )
        if( pArray[i] == ServiceName )
            return sal_True;
    return sal_False;
}

/** the base implementation has no supported services */
::com::sun::star::uno::Sequence< OUString > ServiceInfoHelper::getSupportedServiceNames(void) throw( ::com::sun::star::uno::RuntimeException )
{
    ::com::sun::star::uno::Sequence< OUString> aSeq(0);
    return aSeq;
}

/** this method adds a variable number of char pointer to a given Sequence
 */
void ServiceInfoHelper::addToSequence( ::com::sun::star::uno::Sequence< OUString >& rSeq, sal_uInt16 nServices, /* char * */ ... ) throw()
{
    sal_uInt32 nCount = rSeq.getLength();

    rSeq.realloc( nCount + nServices );
    OUString* pStrings = rSeq.getArray();

    va_list marker;
    va_start( marker, nServices );
    for( sal_uInt16 i = 0 ; i < nServices; i++ )
        pStrings[nCount++] = OUString::createFromAscii(va_arg( marker, char*));
    va_end( marker );
}

}


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