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  1. // -*- C++ -*-
  2.  
  3. // Copyright (C) 2005-2013 Free Software Foundation, Inc.
  4. //
  5. // This file is part of the GNU ISO C++ Library.  This library is free
  6. // software; you can redistribute it and/or modify it under the terms
  7. // of the GNU General Public License as published by the Free Software
  8. // Foundation; either version 3, or (at your option) any later
  9. // version.
  10.  
  11. // This library is distributed in the hope that it will be useful, but
  12. // WITHOUT ANY WARRANTY; without even the implied warranty of
  13. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14. // General Public License for more details.
  15.  
  16. // Under Section 7 of GPL version 3, you are granted additional
  17. // permissions described in the GCC Runtime Library Exception, version
  18. // 3.1, as published by the Free Software Foundation.
  19.  
  20. // You should have received a copy of the GNU General Public License and
  21. // a copy of the GCC Runtime Library Exception along with this program;
  22. // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23. // <http://www.gnu.org/licenses/>.
  24.  
  25. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26.  
  27. // Permission to use, copy, modify, sell, and distribute this software
  28. // is hereby granted without fee, provided that the above copyright
  29. // notice appears in all copies, and that both that copyright notice
  30. // and this permission notice appear in supporting documentation. None
  31. // of the above authors, nor IBM Haifa Research Laboratories, make any
  32. // representation about the suitability of this software for any
  33. // purpose. It is provided "as is" without express or implied
  34. // warranty.
  35.  
  36. /**
  37.  * @file point_iterator.hpp
  38.  * Contains an iterator class returned by the tables' find and insert
  39.  *     methods.
  40.  */
  41.  
  42. /// Find type iterator.
  43. class point_iterator_
  44. {
  45. public:
  46.   /// Category.
  47.   typedef trivial_iterator_tag iterator_category;
  48.  
  49.   /// Difference type.
  50.   typedef trivial_iterator_difference_type difference_type;
  51.  
  52.   /// Iterator's value type.
  53.   typedef value_type_ value_type;
  54.  
  55.   /// Iterator's pointer type.
  56.   typedef pointer_ pointer;
  57.  
  58.   /// Iterator's const pointer type.
  59.   typedef const_pointer_ const_pointer;
  60.  
  61.   /// Iterator's reference type.
  62.   typedef reference_ reference;
  63.  
  64.   /// Iterator's const reference type.
  65.   typedef const_reference_ const_reference;
  66.  
  67.   /// Default constructor.
  68.   inline
  69.   point_iterator_()
  70.   : m_p_value(0)
  71.   { }
  72.  
  73.   /// Copy constructor.
  74.   inline
  75.   point_iterator_(const point_iterator_& other)
  76.   : m_p_value(other.m_p_value)
  77.   { }
  78.  
  79.   /// Access.
  80.   pointer
  81.   operator->() const
  82.   {
  83.     _GLIBCXX_DEBUG_ASSERT(m_p_value != 0);
  84.     return (m_p_value);
  85.   }
  86.  
  87.   /// Access.
  88.   reference
  89.   operator*() const
  90.   {
  91.     _GLIBCXX_DEBUG_ASSERT(m_p_value != 0);
  92.     return (*m_p_value);
  93.   }
  94.  
  95.   /// Compares content to a different iterator object.
  96.   bool
  97.   operator==(const point_iterator_& other) const
  98.   { return m_p_value == other.m_p_value; }
  99.  
  100.   /// Compares content to a different iterator object.
  101.   bool
  102.   operator==(const point_const_iterator_& other) const
  103.   { return m_p_value == other.m_p_value; }
  104.  
  105.   /// Compares content to a different iterator object.
  106.   bool
  107.   operator!=(const point_iterator_& other) const
  108.   { return m_p_value != other.m_p_value; }
  109.  
  110.   /// Compares content (negatively) to a different iterator object.
  111.   bool
  112.   operator!=(const point_const_iterator_& other) const
  113.   { return m_p_value != other.m_p_value; }
  114.  
  115.   inline
  116.   point_iterator_(pointer p_value) : m_p_value(p_value)
  117.   { }
  118.  
  119. protected:
  120.   friend class point_const_iterator_;
  121.  
  122.   friend class PB_DS_CLASS_C_DEC;
  123.  
  124. protected:
  125.   pointer m_p_value;
  126. };
  127.