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# self_iterator.hxx

    00001 // support.hxx: this file is part of the Vaucanson project.
    00002 //
    00003 // Vaucanson, a generic library for finite state machines.
    00004 //
    00005 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The Vaucanson Group.
    00006 //
    00007 // This program is free software; you can redistribute it and/or
    00008 // modify it under the terms of the GNU General Public License
    00009 // as published by the Free Software Foundation; either version 2
    00010 // of the License, or (at your option) any later version.
    00011 //
    00012 // The complete GNU General Public Licence Notice can be found as the
    00013 // `COPYING' file in the root directory.
    00014 //
    00015 // The Vaucanson Group consists of people listed in the `AUTHORS' file.
    00016 //
    00017 #ifndef VCSN_MISC_SELF_ITERATOR_HXX
    00018 # define VCSN_MISC_SELF_ITERATOR_HXX
    00019
    00020 # include <vaucanson/misc/self_iterator.hh>
    00021
    00022 namespace vcsn
    00023 {
    00024   namespace misc
    00025   {
    00026
    00027     template <template <class> class C, class T>
    00028     inline
    00029     SelfIterator<C, T>::SelfIterator (const C<T>& c)
    00030       : c_ (&c),
    00031         pos_ (c.begin ())
    00032     {}
    00033
    00034     template <template <class> class C, class T>
    00035     inline
    00036     SelfIterator<C, T>::SelfIterator ()
    00037       : c_ (0),
    00038         pos_ ()
    00039     {}
    00040
    00041     template <template <class> class C, class T>
    00042     inline
    00043     SelfIterator<C, T>::SelfIterator (const SelfIterator& s)
    00044       : c_ (s.c_),
    00045         pos_ (s.pos_)
    00046     {}
    00047
    00048     template <template <class> class C, class T>
    00049     inline
    00050     const T&
    00051     SelfIterator<C, T>::operator* () const
    00052     {
    00053       return *pos_;
    00054     }
    00055
    00056     template <template <class> class C, class T>
    00057     inline
    00058     const SelfIterator<C, T>&
    00059     SelfIterator<C, T>::operator++ ()
    00060     {
    00061       pos_++;
    00062       return *this;
    00063     }
    00064
    00065     template <template <class> class C, class T>
    00066     inline
    00067     SelfIterator<C, T>
    00068     SelfIterator<C, T>::operator++ (int)
    00069     {
    00070       SelfIterator<C, T> res (*this);
    00071       ++pos_;
    00072       return res;
    00073     }
    00074
    00075     template <template <class> class C, class T>
    00076     inline
    00077     bool
    00078     SelfIterator<C, T>::operator!= (const SelfIterator<C, T>& o) const
    00079     {
    00080       if (c_ == 0)
    00081         if (o.c_ == 0)
    00082           return false;
    00083         else
    00084           return o.pos_ != o.c_->end ();
    00085       else if (o.c_ == 0)
    00086         return pos_ != c_->end ();
    00087       return o.c_ != c_ || o.pos_ != pos_;
    00088     }
    00089
    00090     template <template <class> class C, class T>
    00091     inline
    00092     bool
    00093     SelfIterator<C, T>::operator== (const SelfIterator<C, T>& o) const
    00094     {
    00095       if (c_ == 0)
    00096         return o.c_ == 0 || o.pos_ == o.c_->end ();
    00097       else if (o.c_ == 0)
    00098         return pos_ == c_->end ();
    00099       return o.c_ == c_ && o.pos_ == pos_;
    00100     }
    00101
    00102   } // misc
    00103 } // vcsn
    00104
    00105 #endif // ! VCSN_MISC_SELF_ITERATOR_HXX