1b62841b18
Change-Id: Ice569b724732da1fd67a18a4ccf2f92f530cd689 Reviewed-on: https://gerrit.libreoffice.org/19459 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_COMPHELPER_UNWRAPARGS_HXX
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#define INCLUDED_COMPHELPER_UNWRAPARGS_HXX
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#include <rtl/ustrbuf.hxx>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/XInterface.hpp>
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#include <cppu/unotype.hxx>
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#include <boost/optional.hpp>
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namespace comphelper {
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/// @internal
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namespace detail {
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inline void unwrapArgsError(
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const OUString& str, sal_Int32 nArg,
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const css::uno::Reference< css::uno::XInterface >& xErrorContext =
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css::uno::Reference< css::uno::XInterface >() )
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{
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throw css::lang::IllegalArgumentException(
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str, xErrorContext, static_cast< sal_Int16 >( nArg ) );
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}
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template< typename T, typename... Args >
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inline void unwrapArgsError( const OUString& str, sal_Int32 nArg, T&, Args&... args )
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{
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return unwrapArgsError( str, nArg, args... );
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}
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inline void unwrapArgs(
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const css::uno::Sequence< css::uno::Any >&,
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sal_Int32,
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const css::uno::Reference< css::uno::XInterface >& )
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{
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return;
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}
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inline void unwrapArgs(
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const css::uno::Sequence< css::uno::Any >&,
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sal_Int32 )
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{
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return;
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}
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template< typename T, typename... Args >
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inline void unwrapArgs(
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const css::uno::Sequence< css::uno::Any >& seq,
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sal_Int32 nArg, ::boost::optional< T >& v, Args&... args );
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template< typename T, typename... Args >
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inline void unwrapArgs(
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const css::uno::Sequence< css::uno::Any >& seq,
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sal_Int32 nArg, T& v, Args&... args )
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{
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if( seq.getLength() <= nArg )
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{
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return unwrapArgsError( OUString( "No such argument available!"),
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nArg, args... );
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}
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if( ! ( seq[nArg] >>= v ) )
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{
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OUStringBuffer buf;
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buf.append( "Cannot extract ANY { " );
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buf.append( seq[nArg].getValueType().getTypeName() );
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buf.append( " } to " );
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buf.append( ::cppu::UnoType<T>::get().getTypeName() );
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buf.append( static_cast<sal_Unicode>('!') );
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return unwrapArgsError( buf.makeStringAndClear(), nArg, args... );
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}
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return unwrapArgs( seq, ++nArg, args... );
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}
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template< typename T, typename... Args >
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inline void unwrapArgs(
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const css::uno::Sequence< css::uno::Any >& seq,
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sal_Int32 nArg, ::boost::optional< T >& v, Args&... args )
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{
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if( nArg < seq.getLength() )
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{
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T t;
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unwrapArgs( seq, nArg, t, args... );
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v = t;
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} else {
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unwrapArgs( seq, ++nArg, args... );
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}
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}
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}
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template< typename... Args >
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inline void unwrapArgs(
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const css::uno::Sequence< css::uno::Any >& seq,
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Args&... args )
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{
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return detail::unwrapArgs( seq, 0, args... );
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}
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} // namespace comphelper
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#endif // ! defined( INCLUDED_COMPHELPER_UNWRAPARGS_HXX)
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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