Files
rippled/modules/beast_core/system/Functional.h
2013-09-19 21:37:47 -07:00

374 lines
7.5 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of Beast: https://github.com/vinniefalco/Beast
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef BEAST_FUNCTIONAL_H_INCLUDED
#define BEAST_FUNCTIONAL_H_INCLUDED
//------------------------------------------------------------------------------
/* Brings functional support into our namespace, based on environment.
Notes on bind
Difference between boost::bind and std::bind
http://stackoverflow.com/questions/10555566/is-there-any-difference-between-c11-stdbind-and-boostbind
Resolving conflict between boost::shared_ptr and std::shared_ptr
http://stackoverflow.com/questions/4682343/how-to-resolve-conflict-between-boostshared-ptr-and-using-stdshared-ptr
*/
#ifndef BEAST_BIND_PLACEHOLDERS_N
# if BEAST_MSVC && BEAST_FUNCTIONAL_USES_STD
# define BEAST_BIND_PLACEHOLDERS_N 20 // Visual Studio 2012
# else
# define BEAST_BIND_PLACEHOLDERS_N 8 // Seems a reasonable number
# endif
#endif
/** Max number of arguments to bind, total.
*/
#if BEAST_MSVC
# ifdef _VARIADIC_MAX
# define BEAST_VARIADIC_MAX _VARIADIC_MAX
# else
# define BEAST_VARIADIC_MAX 9
# endif
#else
# define BEAST_VARIADIC_MAX 9
#endif
//------------------------------------------------------------------------------
#if BEAST_FUNCTIONAL_USES_STD
namespace functional
{
using std::ref;
using std::cref;
using std::bind;
using std::function;
}
using namespace functional;
namespace placeholders
{
#if BEAST_BIND_PLACEHOLDERS_N >= 1
using std::placeholders::_1;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 2
using std::placeholders::_2;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 3
using std::placeholders::_3;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 4
using std::placeholders::_4;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 5
using std::placeholders::_5;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 6
using std::placeholders::_6;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 7
using std::placeholders::_7;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 8
using std::placeholders::_8;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 9
using std::placeholders::_9;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 10
using std::placeholders::_10;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 11
using std::placeholders::_11;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 12
using std::placeholders::_12;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 13
using std::placeholders::_13;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 14
using std::placeholders::_14;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 15
using std::placeholders::_15;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 16
using std::placeholders::_16;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 17
using std::placeholders::_17;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 18
using std::placeholders::_18;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 19
using std::placeholders::_19;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 20
using std::placeholders::_20;
#endif
}
using namespace placeholders;
//------------------------------------------------------------------------------
#elif BEAST_FUNCTIONAL_USES_TR1
namespace functional
{
using std::tr1::ref;
using std::tr1::cref;
using std::tr1::bind;
using std::tr1::function;
}
using namespace functional;
namespace placeholders
{
#if BEAST_BIND_PLACEHOLDERS_N >= 1
using std::tr1::placeholders::_1;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 2
using std::tr1::placeholders::_2;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 3
using std::tr1::placeholders::_3;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 4
using std::tr1::placeholders::_4;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 5
using std::tr1::placeholders::_5;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 6
using std::tr1::placeholders::_6;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 7
using std::tr1::placeholders::_7;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 8
using std::tr1::placeholders::_8;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 9
using std::tr1::placeholders::_9;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 10
using std::tr1::placeholders::_10;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 11
using std::tr1::placeholders::_11;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 12
using std::tr1::placeholders::_12;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 13
using std::tr1::placeholders::_13;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 14
using std::tr1::placeholders::_14;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 15
using std::tr1::placeholders::_15;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 16
using std::tr1::placeholders::_16;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 17
using std::tr1::placeholders::_17;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 18
using std::tr1::placeholders::_18;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 19
using std::tr1::placeholders::_19;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 20
using std::tr1::placeholders::_20;
#endif
}
using namespace placeholders;
//------------------------------------------------------------------------------
#elif BEAST_FUNCTIONAL_USES_BOOST
namespace functional
{
using boost::ref;
using boost::cref;
using boost::bind;
using boost::function;
}
using namespace functional;
namespace placeholders
{
#if BEAST_BIND_PLACEHOLDERS_N >= 1
using boost::placeholders::_1;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 2
using boost::placeholders::_2;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 3
using boost::placeholders::_3;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 4
using boost::placeholders::_4;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 5
using boost::placeholders::_5;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 6
using boost::placeholders::_6;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 7
using boost::placeholders::_7;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 8
using boost::placeholders::_8;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 9
using boost::placeholders::_9;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 10
using boost::placeholders::_10;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 11
using boost::placeholders::_11;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 12
using boost::placeholders::_12;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 13
using boost::placeholders::_13;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 14
using boost::placeholders::_14;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 15
using boost::placeholders::_15;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 16
using boost::placeholders::_16;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 17
using boost::placeholders::_17;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 18
using boost::placeholders::_18;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 19
using boost::placeholders::_19;
#endif
#if BEAST_BIND_PLACEHOLDERS_N >= 20
using boost::placeholders::_20;
#endif
}
using namespace placeholders;
//------------------------------------------------------------------------------
#else
#error Unknown bind source in Functional.h
#endif
#endif