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fixvect.hpp

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00001 /*
00002 fix size vector class similar to STL
00003 Copyright (C) 1999-2002 Frediano Ziglio
00004 -----
00005 
00006 This program is free software; you can redistribute it and/or modify
00007 it under the terms of the GNU General Public License as published by
00008 the Free Software Foundation; either version 2 of the License, or
00009 (at your option) any later version.
00010 
00011 This program is distributed in the hope that it will be useful,
00012 but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 GNU General Public License for more details.
00015 
00016 You should have received a copy of the GNU General Public License
00017 along with this program; if not, write to the Free Software
00018 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00019 -----
00020 
00021 INFORMATION
00022   www: http://freddy77.tripod.com/perdr/
00023   e-mail: freddy77@angelfire.com
00024 */
00025 #ifndef FILE_FIXVECT_HPP
00026 #define FILE_FIXVECT_HPP
00027 
00028 template <class T,unsigned _size>
00029 class fix_vector
00030 {
00031 public:
00032   typedef T         value_type;
00033   typedef T&        reference;
00034   typedef const T&  const_reference;
00035   typedef T*        iterator;
00036   typedef const T*  const_iterator;
00037   typedef size_t    size_type;
00038   typedef ptrdiff_t difference_type;
00039 #ifndef __GNUC__
00040   typedef std::reverse_iterator<const_iterator, value_type,
00041                              const_reference, difference_type>
00042                                                        const_reverse_iterator;
00043   typedef std::reverse_iterator<iterator, value_type,
00044                              reference, difference_type>
00045                                                        reverse_iterator;
00046 #else
00047   typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
00048   typedef std::reverse_iterator<iterator>       reverse_iterator;
00049 #endif
00050 
00051   // iterator access
00052   iterator       begin()       { return info; }
00053   const_iterator begin() const { return info; }
00054   iterator       end  ()       { return info+_size; }
00055   const_iterator end  () const { return info+_size; }
00056 
00057   // reverse iterator access
00058   reverse_iterator rbegin ()
00059   {
00060     return reverse_iterator(end());
00061   }
00062   const_reverse_iterator rbegin () const
00063   {
00064     return const_reverse_iterator(end());
00065   }
00066   reverse_iterator rend ()
00067   {
00068     return reverse_iterator(begin());
00069   }
00070   const_reverse_iterator rend () const
00071   {
00072     return const_reverse_iterator(begin());
00073   }
00074 
00075   // capacity
00076   size_type size() const { return _size; }
00077   size_type capacity () const { return _size; }
00078   bool empty () const { return false; }
00079 
00080   // element access
00081   reference       operator[] (size_type n)       { return info[n]; }
00082   const_reference operator[] (size_type n) const { return info[n]; }
00083   reference       front ()                       { return info[0]; }
00084   const_reference front ()                 const { return info[0]; }
00085   reference       back ()                        { return *(end() - 1); }
00086   const_reference back ()                  const { return *(end() - 1); }
00087 private:
00088   T info[_size];
00089 };
00090 
00091 #endif //FILE_FIXVECT_HPP
00092 

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