poco/Foundation/include/Poco/Tuple.h
Guenter Obiltschnig 768642ae98 sources for 1.3
2006-11-17 16:21:51 +00:00

826 lines
24 KiB
C++

//
// Tuple.h
//
// $Id: //poco/1.3/Foundation/include/Poco/Tuple.h#1 $
//
// Library: Foundation
// Package: Core
// Module: Tuple
//
// Definition of the Tuple class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Foundation_Tuple_INCLUDED
#define Foundation_Tuple_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/TypeList.h"
namespace Poco {
#if defined(POCO_OS_FAMILY_WINDOWS)
#define POCO_TYPEWRAPPER_DEFAULTVALUE(T) TypeWrapper<T>::TYPE()
#else
#define POCO_TYPEWRAPPER_DEFAULTVALUE(T) typename TypeWrapper<T>::TYPE()
#endif
template<int n>
struct Getter
{
template<class Ret, class Head, class Tail>
inline static Ret& get(TypeList<Head, Tail>& val)
{
return Getter<n-1>::template get<Ret, typename Tail::HeadType, typename Tail::TailType>(val.tail);
}
template<class Ret, class Head, class Tail>
inline static const Ret& get(const TypeList<Head, Tail>& val)
{
return Getter<n-1>::template get<Ret, typename Tail::HeadType, typename Tail::TailType>(val.tail);
}
};
template<>
struct Getter<0>
{
template<class Ret, class Head, class Tail>
inline static Ret& get(TypeList<Head, Tail>& val)
{
return val.head;
}
template<class Ret, class Head, class Tail>
inline static const Ret& get(const TypeList<Head, Tail>& val)
{
return val.head;
}
};
template <int N, class Head>
struct TypeGetter;
template <int N, class Head, class Tail>
struct TypeGetter<N, TypeList<Head, Tail> >
{
typedef typename TypeGetter<N-1, Tail>::HeadType HeadType;
typedef typename TypeWrapper<HeadType>::CONSTTYPE ConstHeadType;
};
template <class Head, class Tail>
struct TypeGetter<0, TypeList<Head, Tail> >
{
typedef typename TypeList<Head, Tail>::HeadType HeadType;
typedef typename TypeWrapper<HeadType>::CONSTTYPE ConstHeadType;
};
template< class T0,
class T1 = NullTypeList,
class T2 = NullTypeList,
class T3 = NullTypeList,
class T4 = NullTypeList,
class T5 = NullTypeList,
class T6 = NullTypeList,
class T7 = NullTypeList,
class T8 = NullTypeList,
class T9 = NullTypeList>
struct Tuple
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > > > > > > > > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2),
typename TypeWrapper<T3>::CONSTTYPE& t3 = POCO_TYPEWRAPPER_DEFAULTVALUE(T3),
typename TypeWrapper<T4>::CONSTTYPE& t4 = POCO_TYPEWRAPPER_DEFAULTVALUE(T4),
typename TypeWrapper<T5>::CONSTTYPE& t5 = POCO_TYPEWRAPPER_DEFAULTVALUE(T5),
typename TypeWrapper<T6>::CONSTTYPE& t6 = POCO_TYPEWRAPPER_DEFAULTVALUE(T6),
typename TypeWrapper<T7>::CONSTTYPE& t7 = POCO_TYPEWRAPPER_DEFAULTVALUE(T7),
typename TypeWrapper<T8>::CONSTTYPE& t8 = POCO_TYPEWRAPPER_DEFAULTVALUE(T8),
typename TypeWrapper<T9>::CONSTTYPE& t9 = POCO_TYPEWRAPPER_DEFAULTVALUE(T9)):
_data(t0,
TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > > > > > > > >
(t1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > > > > > > >
(t2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > > > > > >
(t3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > > > > >
(t4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > > > >
(t5, TypeList<T6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > > >
(t6, TypeList<T7, TypeList<T8, TypeList<T9, NullTypeList> > >
(t7, TypeList<T8, TypeList<T9, NullTypeList> >
(t8, TypeList<T9, NullTypeList>
(t9, NullTypeList()))))))))))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1,
class T2,
class T3,
class T4,
class T5,
class T6,
class T7,
class T8>
struct Tuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, NullTypeList> > > > > > > > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2),
typename TypeWrapper<T3>::CONSTTYPE& t3 = POCO_TYPEWRAPPER_DEFAULTVALUE(T3),
typename TypeWrapper<T4>::CONSTTYPE& t4 = POCO_TYPEWRAPPER_DEFAULTVALUE(T4),
typename TypeWrapper<T5>::CONSTTYPE& t5 = POCO_TYPEWRAPPER_DEFAULTVALUE(T5),
typename TypeWrapper<T6>::CONSTTYPE& t6 = POCO_TYPEWRAPPER_DEFAULTVALUE(T6),
typename TypeWrapper<T7>::CONSTTYPE& t7 = POCO_TYPEWRAPPER_DEFAULTVALUE(T7),
typename TypeWrapper<T8>::CONSTTYPE& t8 = POCO_TYPEWRAPPER_DEFAULTVALUE(T8)):
_data(t0,
TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, NullTypeList> > > > > > > >
(t1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, NullTypeList> > > > > > >
(t2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, NullTypeList> > > > > >
(t3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, NullTypeList> > > > >
(t4, TypeList<T5, TypeList<T6, TypeList<T7, TypeList<T8, NullTypeList> > > >
(t5, TypeList<T6, TypeList<T7, TypeList<T8, NullTypeList> > >
(t6, TypeList<T7, TypeList<T8, NullTypeList> >
(t7, TypeList<T8, NullTypeList>
(t8, NullTypeList())))))))))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1,
class T2,
class T3,
class T4,
class T5,
class T6,
class T7>
struct Tuple<T0, T1, T2, T3, T4, T5, T6, T7, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, NullTypeList> > > > > > > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2),
typename TypeWrapper<T3>::CONSTTYPE& t3 = POCO_TYPEWRAPPER_DEFAULTVALUE(T3),
typename TypeWrapper<T4>::CONSTTYPE& t4 = POCO_TYPEWRAPPER_DEFAULTVALUE(T4),
typename TypeWrapper<T5>::CONSTTYPE& t5 = POCO_TYPEWRAPPER_DEFAULTVALUE(T5),
typename TypeWrapper<T6>::CONSTTYPE& t6 = POCO_TYPEWRAPPER_DEFAULTVALUE(T6),
typename TypeWrapper<T7>::CONSTTYPE& t7 = POCO_TYPEWRAPPER_DEFAULTVALUE(T7)):
_data(t0,
TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, NullTypeList> > > > > > >
(t1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, NullTypeList> > > > > >
(t2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, NullTypeList> > > > >
(t3, TypeList<T4, TypeList<T5, TypeList<T6, TypeList<T7, NullTypeList> > > >
(t4, TypeList<T5, TypeList<T6, TypeList<T7, NullTypeList> > >
(t5, TypeList<T6, TypeList<T7, NullTypeList> >
(t6, TypeList<T7, NullTypeList>
(t7, NullTypeList()))))))))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1,
class T2,
class T3,
class T4,
class T5,
class T6>
struct Tuple<T0, T1, T2, T3, T4, T5, T6, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, NullTypeList> > > > > > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2),
typename TypeWrapper<T3>::CONSTTYPE& t3 = POCO_TYPEWRAPPER_DEFAULTVALUE(T3),
typename TypeWrapper<T4>::CONSTTYPE& t4 = POCO_TYPEWRAPPER_DEFAULTVALUE(T4),
typename TypeWrapper<T5>::CONSTTYPE& t5 = POCO_TYPEWRAPPER_DEFAULTVALUE(T5),
typename TypeWrapper<T6>::CONSTTYPE& t6 = POCO_TYPEWRAPPER_DEFAULTVALUE(T6)):
_data(t0,
TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, NullTypeList> > > > > >
(t1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, NullTypeList> > > > >
(t2, TypeList<T3, TypeList<T4, TypeList<T5, TypeList<T6, NullTypeList> > > >
(t3, TypeList<T4, TypeList<T5, TypeList<T6, NullTypeList> > >
(t4, TypeList<T5, TypeList<T6, NullTypeList> >
(t5, TypeList<T6, NullTypeList>
(t6, NullTypeList())))))))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1,
class T2,
class T3,
class T4,
class T5>
struct Tuple<T0, T1, T2, T3, T4, T5, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, NullTypeList> > > > > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2),
typename TypeWrapper<T3>::CONSTTYPE& t3 = POCO_TYPEWRAPPER_DEFAULTVALUE(T3),
typename TypeWrapper<T4>::CONSTTYPE& t4 = POCO_TYPEWRAPPER_DEFAULTVALUE(T4),
typename TypeWrapper<T5>::CONSTTYPE& t5 = POCO_TYPEWRAPPER_DEFAULTVALUE(T5)):
_data(t0,
TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, NullTypeList> > > > >
(t1, TypeList<T2, TypeList<T3, TypeList<T4, TypeList<T5, NullTypeList> > > >
(t2, TypeList<T3, TypeList<T4, TypeList<T5, NullTypeList> > >
(t3, TypeList<T4, TypeList<T5, NullTypeList> >
(t4, TypeList<T5, NullTypeList>
(t5, NullTypeList()))))))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1,
class T2,
class T3,
class T4>
struct Tuple<T0, T1, T2, T3, T4, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, NullTypeList> > > > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2),
typename TypeWrapper<T3>::CONSTTYPE& t3 = POCO_TYPEWRAPPER_DEFAULTVALUE(T3),
typename TypeWrapper<T4>::CONSTTYPE& t4 = POCO_TYPEWRAPPER_DEFAULTVALUE(T4)):
_data(t0,
TypeList<T1, TypeList<T2, TypeList<T3, TypeList<T4, NullTypeList> > > >
(t1, TypeList<T2, TypeList<T3, TypeList<T4, NullTypeList> > >
(t2, TypeList<T3, TypeList<T4, NullTypeList> >
(t3, TypeList<T4, NullTypeList>
(t4, NullTypeList())))))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1,
class T2,
class T3>
struct Tuple<T0, T1, T2, T3, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, TypeList<T3, NullTypeList> > > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2),
typename TypeWrapper<T3>::CONSTTYPE& t3 = POCO_TYPEWRAPPER_DEFAULTVALUE(T3)):
_data(t0,
TypeList<T1, TypeList<T2, TypeList<T3, NullTypeList> > >
(t1, TypeList<T2, TypeList<T3, NullTypeList> >
(t2, TypeList<T3, NullTypeList>
(t3, NullTypeList()))))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1,
class T2>
struct Tuple<T0, T1, T2, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, TypeList<T2, NullTypeList> > > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1),
typename TypeWrapper<T2>::CONSTTYPE& t2 = POCO_TYPEWRAPPER_DEFAULTVALUE(T2)):
_data(t0,
TypeList<T1, TypeList<T2, NullTypeList> >
(t1, TypeList<T2, NullTypeList>
(t2, NullTypeList())))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template< class T0,
class T1>
struct Tuple<T0, T1, NullTypeList>
{
typedef TypeList<T0, TypeList<T1, NullTypeList> > Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0,
typename TypeWrapper<T1>::CONSTTYPE& t1 = POCO_TYPEWRAPPER_DEFAULTVALUE(T1)):
_data(t0, TypeList<T1, NullTypeList>(t1, NullTypeList()))
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
template<class T0>
struct Tuple<T0, NullTypeList>
{
typedef TypeList<T0, NullTypeList> Type;
enum
{
length = Type::length
};
Tuple():_data()
{
}
Tuple(typename TypeWrapper<T0>::CONSTTYPE& t0):
_data(t0, NullTypeList())
{
}
template<int N>
typename TypeGetter<N, Type>::ConstHeadType& get() const
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
typename TypeGetter<N, Type>::HeadType& get()
{
return Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data);
}
template<int N>
void set(typename TypeGetter<N, Type>::ConstHeadType& val)
{
Getter<N>::template get<typename TypeGetter<N, Type>::HeadType, typename Type::HeadType, typename Type::TailType>(_data) = val;
}
bool operator == (const Tuple& other) const
{
return _data == other._data;
}
bool operator != (const Tuple& other) const
{
return !(_data == other._data);
}
bool operator < (const Tuple& other) const
{
return _data < other._data;
}
private:
Type _data;
};
} // namespace Poco
#endif // Foundation_Tuple_INCLUDED