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#ifndef CFGMGR_ANYPAIR_HXX
#define CFGMGR_ANYPAIR_HXX
#include <uno/any2.h>
#include <com/sun/star/uno/Any.h>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
namespace configmgr
{
namespace css = com::sun::star;
namespace uno = css::uno;
namespace lang = css::lang;
//==========================================================================
//= flags for handling the state of an Anypair
//==========================================================================
enum {
cfgmgr_SELECT_FIRST = 0x01,
cfgmgr_SELECT_SECOND = 0x02,
cfgmgr_SELECT_BOTH = cfgmgr_SELECT_FIRST | cfgmgr_SELECT_SECOND
};
//==========================================================================
//= data structure for descriptive data for an AnyPair
//==========================================================================
struct cfgmgr_AnyPair_Desc
{
typelib_TypeDescriptionReference * pType;
sal_uInt8 nState;
};
inline bool cfgmgr_AnyPair_isNull(cfgmgr_AnyPair_Desc const* _pDesc, sal_uInt8 nSelect)
{ return (_pDesc->nState & nSelect) == 0; }
inline bool cfgmgr_AnyPair_isEmpty(cfgmgr_AnyPair_Desc const* _pDesc)
{ return (typelib_TypeClass_VOID == _pDesc->pType->eTypeClass); }
//==========================================================================
//= cfgmgr_AnyPair Basic (POD) data structure for a nullable pair of Anys
//==========================================================================
struct cfgmgr_AnyPair
{
cfgmgr_AnyPair_Desc desc;
const void * first;
const void * second;
};
// -----------------------------------------------------------------------------
//==========================================================================
//= AnyPair
//==========================================================================
// this AnyPair holds 2 nullable Any's which have to have the same type.
class AnyPair
{
cfgmgr_AnyPair m_aAnyPair;
public:
enum SelectMember
{
SELECT_FIRST = cfgmgr_SELECT_FIRST,
SELECT_SECOND = cfgmgr_SELECT_SECOND,
SELECT_BOTH = cfgmgr_SELECT_BOTH
};
public:
explicit AnyPair(uno::Type const& _aType); // one Type, any's are null
explicit AnyPair(uno::Any const& _aAny, SelectMember _select); // one selected any
explicit AnyPair(uno::Any const& _aAny, uno::Any const& _aAny2) SAL_THROW((lang::IllegalArgumentException));
// copy
AnyPair(AnyPair const& _aAny);
AnyPair& operator=(AnyPair const& _aAny);
// d-tor
~AnyPair();
// elementwise setters
sal_Bool setFirst(uno::Any const& _aAny);
sal_Bool setSecond(uno::Any const& _aAny);
// clear data (but not type)
void clear(SelectMember _select = SELECT_BOTH);
// checking state and availablity of values
bool isEmpty() const { return cfgmgr_AnyPair_isEmpty(&m_aAnyPair.desc); }
bool isNull () const { return ! hasValue(); }
bool hasValue(SelectMember _select = SELECT_BOTH) const
{
return !cfgmgr_AnyPair_isNull(&m_aAnyPair.desc, (sal_uInt8)_select);
}
bool hasFirst() const
{
return hasValue(SELECT_FIRST);
}
bool hasSecond() const
{
return hasValue(SELECT_SECOND);
}
// elementwise getters
uno::Type getValueType() const;
uno::Any getFirst() const;
uno::Any getSecond() const;
uno::Any getValue(SelectMember _select) const;
};
} // namespace
#endif
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