extract.hxx

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 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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 *   except in compliance with the License. You may obtain a copy of
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 */
#ifndef INCLUDED_COMPHELPER_EXTRACT_HXX
#define INCLUDED_COMPHELPER_EXTRACT_HXX
 
#include <sal/config.h>
 
#include <cassert>
 
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/uno/TypeClass.hpp>
#include <com/sun/star/uno/Type.h>
#include <com/sun/star/uno/Any.hxx>
 
namespace cppu
{
inline css::uno::Any int2enum(sal_Int32 nEnum, const css::uno::Type& rType)
{
    assert(rType.getTypeClass() == css::uno::TypeClass_ENUM);
    return css::uno::Any(&nEnum, rType);
}
 
inline bool enum2int(sal_Int32& rnEnum, const css::uno::Any& rAny)
{
    if (rAny.getValueTypeClass() == css::uno::TypeClass_ENUM)
    {
        rnEnum = *static_cast<const sal_Int32*>(rAny.getValue());
        return true;
    }
 
    return rAny >>= rnEnum;
}
 
template <typename E> inline void any2enum(E& eRet, const css::uno::Any& rAny)
{
    // check for typesafe enum
    if (!(rAny >>= eRet))
    {
        // if not enum, maybe integer?
        sal_Int32 nValue = 0;
        if (!(rAny >>= nValue))
            throw css::lang::IllegalArgumentException();
 
        eRet = static_cast<E>(nValue);
    }
}
 
inline bool any2bool(const css::uno::Any& rAny)
{
    bool b;
    if (rAny >>= b)
    {
        return b;
    }
    else
    {
        sal_Int32 nValue = 0;
        if (!(rAny >>= nValue))
            throw css::lang::IllegalArgumentException();
        return nValue != 0;
    }
}
}
 
#endif
 
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