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lix/boost/format/group.hpp
Eelco Dolstra 1c7d6bf5fc * Removed references to char_traits so that boost/format also works on 
GCC 2.95.
2003-09-11 10:23:55 +00:00

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// -*- C++ -*-
// Boost general library 'format' ---------------------------
// See http://www.boost.org for updates, documentation, and revision history.
// (C) Samuel Krempp 2001
// krempp@crans.ens-cachan.fr
// Permission to copy, use, modify, sell and
// distribute this software is granted provided this copyright notice appears
// in all copies. This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// ideas taken from Rüdiger Loos's format class
// and Karl Nelson's ofstream
// ----------------------------------------------------------------------------
// group.hpp : encapsulates a group of manipulators along with an argument
//
// group_head : cut the last element of a group out.
// (is overloaded below on each type of group)
// group_last : returns the last element of a group
// (is overloaded below on each type of group)
// ----------------------------------------------------------------------------
#ifndef BOOST_FORMAT_GROUP_HPP
#define BOOST_FORMAT_GROUP_HPP
namespace boost {
namespace io {
namespace detail {
// empty group, but useful even though.
struct group0
{
group0() {}
};
template <class Ch, class Tr>
inline
BOOST_IO_STD ostream&
operator << ( BOOST_IO_STD ostream& os,
const group0& )
{
return os;
}
template <class T1>
struct group1
{
T1 a1_;
group1(T1 a1)
: a1_(a1)
{}
};
template <class Ch, class Tr, class T1>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group1<T1>& x)
{
os << x.a1_;
return os;
}
template <class T1,class T2>
struct group2
{
T1 a1_;
T2 a2_;
group2(T1 a1,T2 a2)
: a1_(a1),a2_(a2)
{}
};
template <class Ch, class Tr, class T1,class T2>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group2<T1,T2>& x)
{
os << x.a1_<< x.a2_;
return os;
}
template <class T1,class T2,class T3>
struct group3
{
T1 a1_;
T2 a2_;
T3 a3_;
group3(T1 a1,T2 a2,T3 a3)
: a1_(a1),a2_(a2),a3_(a3)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group3<T1,T2,T3>& x)
{
os << x.a1_<< x.a2_<< x.a3_;
return os;
}
template <class T1,class T2,class T3,class T4>
struct group4
{
T1 a1_;
T2 a2_;
T3 a3_;
T4 a4_;
group4(T1 a1,T2 a2,T3 a3,T4 a4)
: a1_(a1),a2_(a2),a3_(a3),a4_(a4)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3,class T4>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group4<T1,T2,T3,T4>& x)
{
os << x.a1_<< x.a2_<< x.a3_<< x.a4_;
return os;
}
template <class T1,class T2,class T3,class T4,class T5>
struct group5
{
T1 a1_;
T2 a2_;
T3 a3_;
T4 a4_;
T5 a5_;
group5(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5)
: a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group5<T1,T2,T3,T4,T5>& x)
{
os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_;
return os;
}
template <class T1,class T2,class T3,class T4,class T5,class T6>
struct group6
{
T1 a1_;
T2 a2_;
T3 a3_;
T4 a4_;
T5 a5_;
T6 a6_;
group6(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6)
: a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group6<T1,T2,T3,T4,T5,T6>& x)
{
os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_;
return os;
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
struct group7
{
T1 a1_;
T2 a2_;
T3 a3_;
T4 a4_;
T5 a5_;
T6 a6_;
T7 a7_;
group7(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7)
: a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group7<T1,T2,T3,T4,T5,T6,T7>& x)
{
os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_;
return os;
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
struct group8
{
T1 a1_;
T2 a2_;
T3 a3_;
T4 a4_;
T5 a5_;
T6 a6_;
T7 a7_;
T8 a8_;
group8(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8)
: a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group8<T1,T2,T3,T4,T5,T6,T7,T8>& x)
{
os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_;
return os;
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
struct group9
{
T1 a1_;
T2 a2_;
T3 a3_;
T4 a4_;
T5 a5_;
T6 a6_;
T7 a7_;
T8 a8_;
T9 a9_;
group9(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9)
: a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8),a9_(a9)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group9<T1,T2,T3,T4,T5,T6,T7,T8,T9>& x)
{
os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_<< x.a9_;
return os;
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
struct group10
{
T1 a1_;
T2 a2_;
T3 a3_;
T4 a4_;
T5 a5_;
T6 a6_;
T7 a7_;
T8 a8_;
T9 a9_;
T10 a10_;
group10(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9,T10 a10)
: a1_(a1),a2_(a2),a3_(a3),a4_(a4),a5_(a5),a6_(a6),a7_(a7),a8_(a8),a9_(a9),a10_(a10)
{}
};
template <class Ch, class Tr, class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
inline
BOOST_IO_STD ostream&
operator << (BOOST_IO_STD ostream& os,
const group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10>& x)
{
os << x.a1_<< x.a2_<< x.a3_<< x.a4_<< x.a5_<< x.a6_<< x.a7_<< x.a8_<< x.a9_<< x.a10_;
return os;
}
template <class T1,class T2>
inline
group1<T1>
group_head( group2<T1,T2> const& x)
{
return group1<T1> (x.a1_);
}
template <class T1,class T2>
inline
group1<T2>
group_last( group2<T1,T2> const& x)
{
return group1<T2> (x.a2_);
}
template <class T1,class T2,class T3>
inline
group2<T1,T2>
group_head( group3<T1,T2,T3> const& x)
{
return group2<T1,T2> (x.a1_,x.a2_);
}
template <class T1,class T2,class T3>
inline
group1<T3>
group_last( group3<T1,T2,T3> const& x)
{
return group1<T3> (x.a3_);
}
template <class T1,class T2,class T3,class T4>
inline
group3<T1,T2,T3>
group_head( group4<T1,T2,T3,T4> const& x)
{
return group3<T1,T2,T3> (x.a1_,x.a2_,x.a3_);
}
template <class T1,class T2,class T3,class T4>
inline
group1<T4>
group_last( group4<T1,T2,T3,T4> const& x)
{
return group1<T4> (x.a4_);
}
template <class T1,class T2,class T3,class T4,class T5>
inline
group4<T1,T2,T3,T4>
group_head( group5<T1,T2,T3,T4,T5> const& x)
{
return group4<T1,T2,T3,T4> (x.a1_,x.a2_,x.a3_,x.a4_);
}
template <class T1,class T2,class T3,class T4,class T5>
inline
group1<T5>
group_last( group5<T1,T2,T3,T4,T5> const& x)
{
return group1<T5> (x.a5_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6>
inline
group5<T1,T2,T3,T4,T5>
group_head( group6<T1,T2,T3,T4,T5,T6> const& x)
{
return group5<T1,T2,T3,T4,T5> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6>
inline
group1<T6>
group_last( group6<T1,T2,T3,T4,T5,T6> const& x)
{
return group1<T6> (x.a6_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
inline
group6<T1,T2,T3,T4,T5,T6>
group_head( group7<T1,T2,T3,T4,T5,T6,T7> const& x)
{
return group6<T1,T2,T3,T4,T5,T6> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7>
inline
group1<T7>
group_last( group7<T1,T2,T3,T4,T5,T6,T7> const& x)
{
return group1<T7> (x.a7_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
inline
group7<T1,T2,T3,T4,T5,T6,T7>
group_head( group8<T1,T2,T3,T4,T5,T6,T7,T8> const& x)
{
return group7<T1,T2,T3,T4,T5,T6,T7> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8>
inline
group1<T8>
group_last( group8<T1,T2,T3,T4,T5,T6,T7,T8> const& x)
{
return group1<T8> (x.a8_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
inline
group8<T1,T2,T3,T4,T5,T6,T7,T8>
group_head( group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> const& x)
{
return group8<T1,T2,T3,T4,T5,T6,T7,T8> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_,x.a8_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9>
inline
group1<T9>
group_last( group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> const& x)
{
return group1<T9> (x.a9_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
inline
group9<T1,T2,T3,T4,T5,T6,T7,T8,T9>
group_head( group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> const& x)
{
return group9<T1,T2,T3,T4,T5,T6,T7,T8,T9> (x.a1_,x.a2_,x.a3_,x.a4_,x.a5_,x.a6_,x.a7_,x.a8_,x.a9_);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9,class T10>
inline
group1<T10>
group_last( group10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> const& x)
{
return group1<T10> (x.a10_);
}
} // namespace detail
// helper functions
inline detail::group1< detail::group0 >
group() { return detail::group1< detail::group0 > ( detail::group0() ); }
template <class T1, class Var>
inline
detail::group1< detail::group2<T1, Var const&> >
group(T1 a1, Var const& var)
{
return detail::group1< detail::group2<T1, Var const&> >
( detail::group2<T1, Var const&>
(a1, var)
);
}
template <class T1,class T2, class Var>
inline
detail::group1< detail::group3<T1,T2, Var const&> >
group(T1 a1,T2 a2, Var const& var)
{
return detail::group1< detail::group3<T1,T2, Var const&> >
( detail::group3<T1,T2, Var const&>
(a1,a2, var)
);
}
template <class T1,class T2,class T3, class Var>
inline
detail::group1< detail::group4<T1,T2,T3, Var const&> >
group(T1 a1,T2 a2,T3 a3, Var const& var)
{
return detail::group1< detail::group4<T1,T2,T3, Var const&> >
( detail::group4<T1,T2,T3, Var const&>
(a1,a2,a3, var)
);
}
template <class T1,class T2,class T3,class T4, class Var>
inline
detail::group1< detail::group5<T1,T2,T3,T4, Var const&> >
group(T1 a1,T2 a2,T3 a3,T4 a4, Var const& var)
{
return detail::group1< detail::group5<T1,T2,T3,T4, Var const&> >
( detail::group5<T1,T2,T3,T4, Var const&>
(a1,a2,a3,a4, var)
);
}
template <class T1,class T2,class T3,class T4,class T5, class Var>
inline
detail::group1< detail::group6<T1,T2,T3,T4,T5, Var const&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5, Var const& var)
{
return detail::group1< detail::group6<T1,T2,T3,T4,T5, Var const&> >
( detail::group6<T1,T2,T3,T4,T5, Var const&>
(a1,a2,a3,a4,a5, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6, class Var>
inline
detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var const&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6, Var const& var)
{
return detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var const&> >
( detail::group7<T1,T2,T3,T4,T5,T6, Var const&>
(a1,a2,a3,a4,a5,a6, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7, class Var>
inline
detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7, Var const& var)
{
return detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&> >
( detail::group8<T1,T2,T3,T4,T5,T6,T7, Var const&>
(a1,a2,a3,a4,a5,a6,a7, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8, class Var>
inline
detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8, Var const& var)
{
return detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&> >
( detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var const&>
(a1,a2,a3,a4,a5,a6,a7,a8, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9, class Var>
inline
detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9, Var const& var)
{
return detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&> >
( detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var const&>
(a1,a2,a3,a4,a5,a6,a7,a8,a9, var)
);
}
#ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST
template <class T1, class Var>
inline
detail::group1< detail::group2<T1, Var&> >
group(T1 a1, Var& var)
{
return detail::group1< detail::group2<T1, Var&> >
( detail::group2<T1, Var&>
(a1, var)
);
}
template <class T1,class T2, class Var>
inline
detail::group1< detail::group3<T1,T2, Var&> >
group(T1 a1,T2 a2, Var& var)
{
return detail::group1< detail::group3<T1,T2, Var&> >
( detail::group3<T1,T2, Var&>
(a1,a2, var)
);
}
template <class T1,class T2,class T3, class Var>
inline
detail::group1< detail::group4<T1,T2,T3, Var&> >
group(T1 a1,T2 a2,T3 a3, Var& var)
{
return detail::group1< detail::group4<T1,T2,T3, Var&> >
( detail::group4<T1,T2,T3, Var&>
(a1,a2,a3, var)
);
}
template <class T1,class T2,class T3,class T4, class Var>
inline
detail::group1< detail::group5<T1,T2,T3,T4, Var&> >
group(T1 a1,T2 a2,T3 a3,T4 a4, Var& var)
{
return detail::group1< detail::group5<T1,T2,T3,T4, Var&> >
( detail::group5<T1,T2,T3,T4, Var&>
(a1,a2,a3,a4, var)
);
}
template <class T1,class T2,class T3,class T4,class T5, class Var>
inline
detail::group1< detail::group6<T1,T2,T3,T4,T5, Var&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5, Var& var)
{
return detail::group1< detail::group6<T1,T2,T3,T4,T5, Var&> >
( detail::group6<T1,T2,T3,T4,T5, Var&>
(a1,a2,a3,a4,a5, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6, class Var>
inline
detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6, Var& var)
{
return detail::group1< detail::group7<T1,T2,T3,T4,T5,T6, Var&> >
( detail::group7<T1,T2,T3,T4,T5,T6, Var&>
(a1,a2,a3,a4,a5,a6, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7, class Var>
inline
detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7, Var& var)
{
return detail::group1< detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&> >
( detail::group8<T1,T2,T3,T4,T5,T6,T7, Var&>
(a1,a2,a3,a4,a5,a6,a7, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8, class Var>
inline
detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8, Var& var)
{
return detail::group1< detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&> >
( detail::group9<T1,T2,T3,T4,T5,T6,T7,T8, Var&>
(a1,a2,a3,a4,a5,a6,a7,a8, var)
);
}
template <class T1,class T2,class T3,class T4,class T5,class T6,class T7,class T8,class T9, class Var>
inline
detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&> >
group(T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6,T7 a7,T8 a8,T9 a9, Var& var)
{
return detail::group1< detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&> >
( detail::group10<T1,T2,T3,T4,T5,T6,T7,T8,T9, Var&>
(a1,a2,a3,a4,a5,a6,a7,a8,a9, var)
);
}
#endif //end- #ifndef BOOST_NO_OVERLOAD_FOR_NON_CONST
} // namespace io
} // namespace boost
#endif // BOOST_FORMAT_GROUP_HPP
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