include/trace-tools/tool/iterator_base.hh

00001 /*
00002  * trace-tools - A library and a set of tools to manipulate wireless traces.
00003  * Copyright (C) 2007  Universite Pierre et Marie Curie - Paris 6
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
00018  * MA  02110-1301  USA
00019  *
00020  * Author: Thomas Claveirole <thomas.claveirole@lip6.fr>
00021  */
00022 #ifndef TOOL_ITERATOR_BASE_HH_
00023 # define TOOL_ITERATOR_BASE_HH_
00024 
00025 # include <boost/optional.hpp>
00026 
00027 # include <trace-tools/tool/iterator.hh>
00028 
00029 namespace tool
00030 {
00031 
00032   template <class B>
00033   struct iterator_base;
00034 
00036   template <class B>
00037   struct types< iterator_base<B> >
00038   {
00040     typedef undefined_type      value_type;
00041 
00043     typedef undefined_type      iterable_type;
00044   };
00045 
00060   template <class Bottom>
00061   struct iterator_base: tt_inherit(public iterator, iterator_base<Bottom>)
00062   {
00064     typedef tt_get_exact(Bottom, iterator_base<Bottom>) exact_type;
00065 
00067     typedef tt_type(value_type, exact_type)             value_type;
00068 
00070     typedef tt_type(iterable_type, exact_type)          iterable_type;
00071 
00073     iterator_base(iterable_type& i, bool end);
00074 
00076     bool                equal(const iterator_base&) const;
00077 
00079     const value_type&   get() const;
00080 
00082     const value_type*   get_ptr() const;
00083 
00084   protected:
00086     ~iterator_base();
00087 
00088   protected:
00090     typedef typename boost::optional<value_type>        optional_value;
00091 
00093     iterable_type*      i_;
00094 
00096     optional_value      v_;
00097   };
00098 
00099 } // End of namespace tool.
00100 
00101 # include "iterator_base.hxx"
00102 
00103 #endif // ! TOOL_ITERATOR_BASE_HH_

Generated on Wed Sep 12 16:02:47 2007 for trace-tools by  doxygen 1.5.3