1// -*- C++ -*- 2 3// Copyright (C) 2005 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 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// As a special exception, you may use this file as part of a free software 22// library without restriction. Specifically, if other files instantiate 23// templates or use macros or inline functions from this file, or you compile 24// this file and link it with other files to produce an executable, this 25// file does not by itself cause the resulting executable to be covered by 26// the GNU General Public License. This exception does not however 27// invalidate any other reasons why the executable file might be covered by 28// the GNU General Public License. 29 30// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 31 32// Permission to use, copy, modify, sell, and distribute this software 33// is hereby granted without fee, provided that the above copyright 34// notice appears in all copies, and that both that copyright notice and 35// this permission notice appear in supporting documentation. None of 36// the above authors, nor IBM Haifa Research Laboratories, make any 37// representation about the suitability of this software for any 38// purpose. It is provided "as is" without express or implied warranty. 39 40/** 41 * @file iterator.hpp 42 * Contains an iterator_ class used for ranging over the elements of the 43 * table. 44 */ 45 46class iterator_ : 47 public const_iterator_ 48 49{ 50 51public: 52 53 typedef std::forward_iterator_tag iterator_category; 54 55 typedef typename Allocator::difference_type difference_type; 56 57 typedef mapped_value_type value_type; 58 59 typedef mapped_pointer pointer; 60 61 typedef const_mapped_pointer const_pointer; 62 63 typedef mapped_reference reference; 64 65 typedef const_mapped_reference const_reference; 66 67public: 68 69 inline 70 iterator_() 71 72 : const_iterator_(NULL, PB_ASSOC_GEN_POS(), NULL) 73 { } 74 75 inline 76 operator find_iterator_() 77 { 78 return (find_iterator_( 79 const_cast<pointer>(const_iterator_::m_p_value))); 80 } 81 82 inline 83 operator const find_iterator_() const 84 { 85 return (find_iterator_( 86 const_cast<pointer>(const_iterator_::m_p_value))); 87 } 88 89 inline pointer 90 operator->() 91 { 92 PB_ASSOC_DBG_ASSERT(my_base::m_p_value != NULL); 93 94 return (const_cast<pointer>(my_base::m_p_value)); 95 } 96 97 inline reference 98 operator*() 99 { 100 PB_ASSOC_DBG_ASSERT(my_base::m_p_value != NULL); 101 102 return (*(operator->())); 103 } 104 105 inline iterator_& 106 operator++() 107 { 108 my_base::m_p_tbl->inc_it_state(my_base::m_p_value, my_base::m_pos); 109 110 return (*this); 111 } 112 113 inline iterator_ 114 operator++(int) 115 { 116 iterator_ ret =* this; 117 118 my_base::m_p_tbl->inc_it_state(my_base::m_p_value, my_base::m_pos); 119 120 return (ret); 121 } 122 123protected: 124 typedef const_iterator_ my_base; 125 126protected: 127 128 /** 129 * Constructor used by the table to initiate the generalized 130 * pointer and position (e.g., this is called from within a find() 131 * of a table. 132 **/ 133 inline 134 iterator_(pointer p_value, PB_ASSOC_GEN_POS pos, PB_ASSOC_CLASS_C_DEC* p_tbl) : const_iterator_(p_value, pos, p_tbl) 135 { } 136 137 friend class PB_ASSOC_CLASS_C_DEC; 138}; 139 140