129 lines
3.9 KiB
C++
129 lines
3.9 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_EXTRACT_HXX
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#define INCLUDED_COMPHELPER_EXTRACT_HXX
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#include <com/sun/star/uno/TypeClass.hpp>
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#include <com/sun/star/uno/Type.hxx>
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#include <com/sun/star/uno/Any.hxx>
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#include <cppu/unotype.hxx>
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namespace cppu
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{
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/**
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* Sets enum from int32 value. This function does NOT check for valid enum values!
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*<BR>
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* @param nEnum int32 enum value
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* @param rType enum type
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* @return enum or emoty any.
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*/
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inline ::com::sun::star::uno::Any SAL_CALL int2enum(
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sal_Int32 nEnum, const ::com::sun::star::uno::Type & rType )
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{
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if (rType.getTypeClass() == ::com::sun::star::uno::TypeClass_ENUM)
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{
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int nVal = nEnum;
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return ::com::sun::star::uno::Any( &nVal, rType );
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}
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return ::com::sun::star::uno::Any();
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}
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/**
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* Sets int32 from enum or int in any.
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*<BR>
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* @param rnEnum [out] int32 enum value
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* @param rAny enum or int
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* @param sal_True if enum or int value was set else sal_False.
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*/
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inline bool SAL_CALL enum2int( sal_Int32 & rnEnum, const ::com::sun::star::uno::Any & rAny )
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{
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if (rAny.getValueTypeClass() == ::com::sun::star::uno::TypeClass_ENUM)
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{
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rnEnum = * static_cast< const int * >( rAny.getValue() );
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return true;
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}
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return rAny >>= rnEnum;
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}
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/**
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* Sets int32 from enum or int in any with additional typecheck
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* <BR>
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* @param rAny enum or int
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* @param eRet the enum value as int. If there is not enum of the given type or
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* a ::com::sun::star::lang::IllegalArgumentException is thrown
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*/
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template< typename E >
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inline void SAL_CALL any2enum( E & eRet, const ::com::sun::star::uno::Any & rAny )
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throw( ::com::sun::star::lang::IllegalArgumentException )
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{
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// check for typesafe enum
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if (! (rAny >>= eRet))
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{
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// if not enum, maybe integer?
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sal_Int32 nValue = 0;
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if (! (rAny >>= nValue))
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throw ::com::sun::star::lang::IllegalArgumentException();
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eRet = static_cast<E>(nValue);
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}
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}
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/**
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* Template function to create an uno::Any from an enum
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*
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* @DEPRECATED : use makeAny< E >()
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*
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*/
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template< typename E >
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inline ::com::sun::star::uno::Any SAL_CALL enum2any( E eEnum )
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{
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return ::com::sun::star::uno::Any( &eEnum, ::cppu::UnoType< E >::get() );
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}
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/**
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* extracts a boolean either as a sal_Bool or an integer from
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* an any. If there is no sal_Bool or integer inside the any
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* a ::com::sun::star::lang::IllegalArgumentException is thrown
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*
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*/
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inline bool SAL_CALL any2bool( const ::com::sun::star::uno::Any & rAny )
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throw( ::com::sun::star::lang::IllegalArgumentException )
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{
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if (rAny.getValueTypeClass() == ::com::sun::star::uno::TypeClass_BOOLEAN)
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{
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return *static_cast<sal_Bool const *>(rAny.getValue());
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}
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else
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{
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sal_Int32 nValue = 0;
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if (! (rAny >>= nValue))
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throw ::com::sun::star::lang::IllegalArgumentException();
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return nValue != 0;
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}
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}
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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