From 8f486613be58ced269db1d437e560c16558604e8 Mon Sep 17 00:00:00 2001 From: becquet Date: Thu, 10 May 2007 18:49:20 +0000 Subject: Création de chuck, le programme du robot 2007. --- i/chuck/src/utils/bind.hh | 91 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 i/chuck/src/utils/bind.hh (limited to 'i/chuck/src/utils/bind.hh') diff --git a/i/chuck/src/utils/bind.hh b/i/chuck/src/utils/bind.hh new file mode 100644 index 0000000..a5630fe --- /dev/null +++ b/i/chuck/src/utils/bind.hh @@ -0,0 +1,91 @@ +#ifndef bind_hh +#define bind_hh +// bind.hh +// robert - programme du robot 2005. {{{ +// +// Copyright (C) 2004 Nicolas Schodet +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +// Contact : +// Web: http://perso.efrei.fr/~schodet/ +// Email: +// }}} + +/// Class used to bind a function taking an argument to a functor taking no +/// argument. This is not supposed to be used directly, but using the bind +/// template function. +template +class ArgBinder +{ + /// Original function. + F func_; + /// Stored argument reference. + const A &arg_; + public: + /// Return value. + typedef R result_type; + public: + ArgBinder (F func, const A &arg) + : func_ (func), arg_ (arg) + { } + result_type operator () (void) + { + return func_ (arg_); + } +}; + +/// Bind a function taking an argument to a functor taking no argument. +/// Return value must be specified, other template arguments can be implied. +template +ArgBinder +bind (F func, const A &arg) +{ + return ArgBinder (func, arg); +} + +/// Class used to bind a member function to a functor taking no argument. +/// This is not supposed to be used directly, but using the bind template +/// function. +template +class ObjBinder +{ + /// Original member function. + R (C::*func_) (void); + /// Object pointer stored. + C *obj_; + public: + /// Return value. + typedef R result_type; + public: + ObjBinder (R (C::*func) (void), C *obj) + : func_ (func), obj_ (obj) + { } + result_type operator () (void) + { + (obj_->*func_) (); + } +}; + +/// Bind a member function to a functor taking no argument. All template +/// parameters must be specified. +template +ObjBinder +bind (R (C::*func) (void), C *obj) +{ + return ObjBinder (func, obj); +} + +#endif // bind_hh -- cgit v1.2.3