libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file left_child_next_sibling_heap_/point_const_iterator.hpp 00038 * Contains an iterator class returned by the table's const find and insert 00039 * methods. 00040 */ 00041 00042 #ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_CONST_FIND_ITERATOR_HPP 00043 #define PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_CONST_FIND_ITERATOR_HPP 00044 00045 #include <ext/pb_ds/tag_and_trait.hpp> 00046 #include <debug/debug.h> 00047 00048 namespace __gnu_pbds 00049 { 00050 namespace detail 00051 { 00052 00053 #define PB_DS_CLASS_T_DEC \ 00054 template<typename Node, typename _Alloc> 00055 00056 #define PB_DS_CLASS_C_DEC \ 00057 left_child_next_sibling_heap_node_point_const_iterator_<Node, _Alloc> 00058 00059 /// Const point-type iterator. 00060 template<typename Node, typename _Alloc> 00061 class left_child_next_sibling_heap_node_point_const_iterator_ 00062 { 00063 protected: 00064 typedef typename _Alloc::template rebind<Node>::other::pointer node_pointer; 00065 00066 public: 00067 /// Category. 00068 typedef trivial_iterator_tag iterator_category; 00069 00070 /// Difference type. 00071 typedef trivial_iterator_difference_type difference_type; 00072 00073 /// Iterator's value type. 00074 typedef typename Node::value_type value_type; 00075 00076 /// Iterator's pointer type. 00077 typedef 00078 typename _Alloc::template rebind< 00079 value_type>::other::pointer 00080 pointer; 00081 00082 /// Iterator's const pointer type. 00083 typedef 00084 typename _Alloc::template rebind< 00085 value_type>::other::const_pointer 00086 const_pointer; 00087 00088 /// Iterator's reference type. 00089 typedef 00090 typename _Alloc::template rebind< 00091 value_type>::other::reference 00092 reference; 00093 00094 /// Iterator's const reference type. 00095 typedef 00096 typename _Alloc::template rebind< 00097 value_type>::other::const_reference 00098 const_reference; 00099 00100 inline 00101 left_child_next_sibling_heap_node_point_const_iterator_(node_pointer p_nd) : m_p_nd(p_nd) 00102 { } 00103 00104 /// Default constructor. 00105 inline 00106 left_child_next_sibling_heap_node_point_const_iterator_() : m_p_nd(0) 00107 { } 00108 00109 /// Copy constructor. 00110 inline 00111 left_child_next_sibling_heap_node_point_const_iterator_(const PB_DS_CLASS_C_DEC& other) : m_p_nd(other.m_p_nd) 00112 { } 00113 00114 /// Access. 00115 const_pointer 00116 operator->() const 00117 { 00118 _GLIBCXX_DEBUG_ASSERT(m_p_nd != 0); 00119 return &m_p_nd->m_value; 00120 } 00121 00122 /// Access. 00123 const_reference 00124 operator*() const 00125 { 00126 _GLIBCXX_DEBUG_ASSERT(m_p_nd != 0); 00127 return m_p_nd->m_value; 00128 } 00129 00130 /// Compares content to a different iterator object. 00131 bool 00132 operator==(const PB_DS_CLASS_C_DEC& other) const 00133 { return m_p_nd == other.m_p_nd; } 00134 00135 /// Compares content (negatively) to a different iterator object. 00136 bool 00137 operator!=(const PB_DS_CLASS_C_DEC& other) const 00138 { return m_p_nd != other.m_p_nd; } 00139 00140 node_pointer m_p_nd; 00141 }; 00142 00143 #undef PB_DS_CLASS_T_DEC 00144 #undef PB_DS_CLASS_C_DEC 00145 00146 } // namespace detail 00147 } // namespace __gnu_pbds 00148 00149 #endif