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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _COMPHELPER_EXTRACT_HXX_
#define _COMPHELPER_EXTRACT_HXX_
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/uno/XInterface.hpp>
#include <com/sun/star/uno/TypeClass.hpp>
#include <com/sun/star/uno/Type.hxx>
#include <com/sun/star/uno/Any.hxx>
#include "cppu/unotype.hxx"
namespace cppu
{
/**
* Sets enum from int32 value. This function does NOT check for valid enum values!
*<BR>
* @param nEnum int32 enum value
* @param rType enum type
* @return enum or emoty any.
*/
inline ::com::sun::star::uno::Any SAL_CALL int2enum(
sal_Int32 nEnum, const ::com::sun::star::uno::Type & rType )
{
if (rType.getTypeClass() == ::com::sun::star::uno::TypeClass_ENUM)
{
int nVal = nEnum;
return ::com::sun::star::uno::Any( &nVal, rType );
}
return ::com::sun::star::uno::Any();
}
/**
* Sets int32 from enum or int in any.
*<BR>
* @param rnEnum [out] int32 enum value
* @param rAny enum or int
* @param sal_True if enum or int value was set else sal_False.
*/
inline sal_Bool SAL_CALL enum2int( sal_Int32 & rnEnum, const ::com::sun::star::uno::Any & rAny )
{
if (rAny.getValueTypeClass() == ::com::sun::star::uno::TypeClass_ENUM)
{
rnEnum = * reinterpret_cast< const int * >( rAny.getValue() );
return sal_True;
}
return rAny >>= rnEnum;
}
/**
* Sets int32 from enum or int in any with additional typecheck
* <BR>
* @param rAny enum or int
* @param eRet the enum value as int. If there is not enum of the given type or
* a ::com::sun::star::lang::IllegalArgumentException is thrown
*/
template< typename E >
inline void SAL_CALL any2enum( E & eRet, const ::com::sun::star::uno::Any & rAny )
throw( ::com::sun::star::lang::IllegalArgumentException )
{
// check for type save enum
if (! (rAny >>= eRet))
{
// if not enum, maybe integer?
sal_Int32 nValue = 0;
if (! (rAny >>= nValue))
throw ::com::sun::star::lang::IllegalArgumentException();
eRet = (E)nValue;
}
}
/**
* Template function to create an uno::Any from an enum
*
* @DEPRECATED : use makeAny< E >()
*
*/
template< typename E >
inline ::com::sun::star::uno::Any SAL_CALL enum2any( E eEnum )
{
return ::com::sun::star::uno::Any( &eEnum, ::cppu::UnoType< E >::get() );
}
/**
* Extracts interface from an any. If given any does not hold the demanded interface,
* it will be queried for it.
* If no interface is available, the out ref will be cleared.
*<BR>
* @param rxOut [out] demanded interface
* @param rAny interface
* @return sal_True if any reference (including the null ref) was retrieved from any else sal_False.
*/
template< class T >
inline sal_Bool SAL_CALL extractInterface(
::com::sun::star::uno::Reference< T > & rxOut,
const ::com::sun::star::uno::Any & rAny )
{
rxOut.clear();
return (rAny >>= rxOut);
}
/**
* extracts a boolean either as a sal_Bool or an integer from
* an any. If there is no sal_Bool or integer inside the any
* a ::com::sun::star::lang::IllegalArgumentException is thrown
*
*/
inline sal_Bool SAL_CALL any2bool( const ::com::sun::star::uno::Any & rAny )
throw( ::com::sun::star::lang::IllegalArgumentException )
{
if (rAny.getValueTypeClass() == ::com::sun::star::uno::TypeClass_BOOLEAN)
{
return *(sal_Bool *)rAny.getValue();
}
else
{
sal_Int32 nValue = 0;
if (! (rAny >>= nValue))
throw ::com::sun::star::lang::IllegalArgumentException();
return nValue != 0;
}
}
/**
* Puts a boolean in an any.
*
* @DEPRECATED : use makeAny< sal_Bool >()
*
*/
inline ::com::sun::star::uno::Any SAL_CALL bool2any( sal_Bool bBool )
{
return ::com::sun::star::uno::Any( &bBool, ::getCppuBooleanType() );
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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