Home | History | Annotate | Download | only in unordered_iterator
      1 // -*- C++ -*-
      2 
      3 // Copyright (C) 2005, 2006, 2009, 2010 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 
     46 public:
     47 
     48   // Category.
     49   typedef trivial_iterator_tag iterator_category;
     50 
     51   // Difference type.
     52   typedef trivial_iterator_difference_type difference_type;
     53 
     54   // Iterator's value type.
     55   typedef value_type_ value_type;
     56 
     57   // Iterator's pointer type.
     58   typedef pointer_ pointer;
     59 
     60   // Iterator's const pointer type.
     61   typedef const_pointer_ const_pointer;
     62 
     63   // Iterator's reference type.
     64   typedef reference_ reference;
     65 
     66   // Iterator's const reference type.
     67   typedef const_reference_ const_reference;
     68 
     69 public:
     70 
     71   // Default constructor.
     72   inline
     73   point_iterator_()
     74 
     75     : m_p_value(0)
     76   { }
     77 
     78   // Copy constructor.
     79   inline
     80   point_iterator_(const point_iterator_& other)
     81 
     82     : m_p_value(other.m_p_value)
     83   { }
     84 
     85   // Access.
     86   inline pointer
     87   operator->() const
     88   {
     89     _GLIBCXX_DEBUG_ASSERT(m_p_value != 0);
     90 
     91     return (m_p_value);
     92   }
     93 
     94   // Access.
     95   inline reference
     96   operator*() const
     97   {
     98     _GLIBCXX_DEBUG_ASSERT(m_p_value != 0);
     99 
    100     return (*m_p_value);
    101   }
    102 
    103   // Compares content to a different iterator object.
    104   inline bool
    105   operator==(const point_iterator_& other) const
    106   {
    107     return (m_p_value == other.m_p_value);
    108   }
    109 
    110   // Compares content to a different iterator object.
    111   inline bool
    112   operator==(const const_point_iterator_& other) const
    113   {
    114     return (m_p_value == other.m_p_value);
    115   }
    116 
    117   // Compares content to a different iterator object.
    118   inline bool
    119   operator!=(const point_iterator_& other) const
    120   {
    121     return (m_p_value != other.m_p_value);
    122   }
    123 
    124   // Compares content (negatively) to a different iterator object.
    125   inline bool
    126   operator!=(const const_point_iterator_& other) const
    127   {
    128     return (m_p_value != other.m_p_value);
    129   }
    130 
    131   inline
    132   point_iterator_(pointer p_value) : m_p_value(p_value)
    133   { }
    134 
    135 protected:
    136   friend class const_point_iterator_;
    137 
    138   friend class PB_DS_CLASS_C_DEC;
    139 
    140 protected:
    141   pointer m_p_value;
    142 };
    143 
    144