/usr/include/dune/common/tuples.hh is in libdune-common-dev 2.4.1-1.
This file is owned by root:root, with mode 0o644.
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// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_TUPLES_HH
#define DUNE_TUPLES_HH
#include <iostream>
#include "typetraits.hh"
#include "unused.hh"
#include <tuple>
namespace Dune {
/** @addtogroup Common
*
* @{
*/
/**
* @file
* @brief Fallback implementation of the std::tuple class
*
* This a refined implementation of the approach defined in
* in the article "Tuples and multiple return values
* in C++" of Jaakko Järvi (Turku Centre of Computer
* Science, TUCS Technical Report No 249, March 1999,
* ISBN 952-12-0401-X, ISSN 1239-1891) available from the
* <a href="http://www.tucs.fi/publications/">TUCS publications archive</a>
* @author Markus Blatt
*/
template<class T>
struct TupleAccessTraits
{
typedef typename ConstantVolatileTraits<T>::ConstType& ConstType;
typedef T& NonConstType;
typedef const typename ConstantVolatileTraits<T>::UnqualifiedType& ParameterType;
};
template<class T>
struct TupleAccessTraits<T*>
{
typedef typename ConstantVolatileTraits<T>::ConstType* ConstType;
typedef T* NonConstType;
typedef T* ParameterType;
};
template<class T>
struct TupleAccessTraits<T&>
{
typedef T& ConstType;
typedef T& NonConstType;
typedef T& ParameterType;
};
// pull in default implementations
using std::tuple;
using std::tuple_element;
using std::get;
using std::tuple_size;
using std::tie;
using std::make_tuple;
template<int i>
struct tuple_writer
{
template<class T>
static std::ostream& put(std::ostream& os, const T& t, const char* delim=", ")
{
return tuple_writer<i-1>::put(os,t,delim)<<delim<<Dune::get<i-1>(t);
}
template< class T >
static std::istream &get ( std::istream &is, T &t, const char *delim = "," )
{
tuple_writer< i-1 >::get( is, t, delim );
for( const char *it = delim; is && (*it != 0); ++it )
{
char c = 0;
is >> c;
if( c != *it )
is.setstate( std::ios::failbit );
}
return is >> Dune::get< i-1 >( t );
}
};
template<>
struct tuple_writer<1>
{
template<class T>
static std::ostream& put(std::ostream& os, const T& t, const char* delim=", ")
{
DUNE_UNUSED_PARAMETER(delim);
return os<<Dune::get<0>(t);
}
template< class T >
static std::istream &get ( std::istream &is, T &t, const char *delim = ", " )
{
return is >> Dune::get< 0 >( t );
}
};
template<>
struct tuple_writer<0>
{
template<class T>
static std::ostream& put(std::ostream& os, const T& t, const char* delim=", ")
{
return os;
}
template< class T >
static std::istream &get ( std::istream &is, T &t, const char *delim = ", " )
{
return is;
}
};
/**
* \brief Print a tuple.
*/
template<typename T1>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1> & t)
{
typedef tuple<T1> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2> & t)
{
typedef tuple<T1,T2> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3> & t)
{
typedef tuple<T1,T2,T3> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3, typename T4>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3,T4> & t)
{
typedef tuple<T1,T2,T3,T4> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3,T4,T5> & t)
{
typedef tuple<T1,T2,T3,T4,T5> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3,T4,T5,T6> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3,T4,T5,T6,T7> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7,
typename T8>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3,T4,T5,T6,T7,T8> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7,T8> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7,
typename T8, typename T9>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7,
typename T8, typename T9, typename T10>
inline std::ostream& operator<<( std::ostream& os, const tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::put(os, t);
}
/**
* \brief Read a tuple.
*/
template<typename T1>
inline std::istream& operator>>( std::istream& is, tuple<T1> & t)
{
typedef tuple<T1> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2> & t)
{
typedef tuple<T1,T2> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3> & t)
{
typedef tuple<T1,T2,T3> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3, typename T4>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3,T4> & t)
{
typedef tuple<T1,T2,T3,T4> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3,T4,T5> & t)
{
typedef tuple<T1,T2,T3,T4,T5> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3,T4,T5,T6> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3,T4,T5,T6,T7> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7,
typename T8>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3,T4,T5,T6,T7,T8> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7,T8> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7,
typename T8, typename T9>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7,
typename T8, typename T9, typename T10>
inline std::istream& operator>>( std::istream& is, tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> & t)
{
typedef tuple<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> TupleT;
return tuple_writer<tuple_size<TupleT>::value>::get(is, t);
}
/** }@ */
}
#endif
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