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 binary_heap_/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_BINARY_HEAP_CONST_ITERATOR_HPP 00043 #define PB_DS_BINARY_HEAP_CONST_ITERATOR_HPP 00044 00045 #include <ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp> 00046 #include <debug/debug.h> 00047 00048 namespace __gnu_pbds 00049 { 00050 namespace detail 00051 { 00052 #define PB_DS_BIN_HEAP_CIT_BASE \ 00053 binary_heap_point_const_iterator_<Value_Type, Entry, Simple, _Alloc> 00054 00055 /// Const point-type iterator. 00056 template<typename Value_Type, 00057 typename Entry, 00058 bool Simple, 00059 typename _Alloc> 00060 class binary_heap_const_iterator_ : public PB_DS_BIN_HEAP_CIT_BASE 00061 { 00062 private: 00063 typedef PB_DS_BIN_HEAP_CIT_BASE base_type; 00064 typedef typename base_type::entry_pointer entry_pointer; 00065 00066 public: 00067 /// Category. 00068 typedef std::forward_iterator_tag iterator_category; 00069 00070 /// Difference type. 00071 typedef typename _Alloc::difference_type difference_type; 00072 00073 /// Iterator's value type. 00074 typedef typename base_type::value_type value_type; 00075 00076 /// Iterator's pointer type. 00077 typedef typename base_type::pointer pointer; 00078 00079 /// Iterator's const pointer type. 00080 typedef typename base_type::const_pointer const_pointer; 00081 00082 /// Iterator's reference type. 00083 typedef typename base_type::reference reference; 00084 00085 /// Iterator's const reference type. 00086 typedef typename base_type::const_reference const_reference; 00087 00088 inline 00089 binary_heap_const_iterator_(entry_pointer p_e) : base_type(p_e) 00090 { } 00091 00092 /// Default constructor. 00093 inline 00094 binary_heap_const_iterator_() 00095 { } 00096 00097 /// Copy constructor. 00098 inline 00099 binary_heap_const_iterator_(const binary_heap_const_iterator_& other) 00100 : base_type(other) 00101 { } 00102 00103 /// Compares content to a different iterator object. 00104 inline bool 00105 operator==(const binary_heap_const_iterator_& other) const 00106 { return base_type::m_p_e == other.m_p_e; } 00107 00108 /// Compares content (negatively) to a different iterator object. 00109 inline bool 00110 operator!=(const binary_heap_const_iterator_& other) const 00111 { return base_type::m_p_e != other.m_p_e; } 00112 00113 inline binary_heap_const_iterator_& 00114 operator++() 00115 { 00116 _GLIBCXX_DEBUG_ASSERT(base_type::m_p_e != 0); 00117 inc(); 00118 return *this; 00119 } 00120 00121 inline binary_heap_const_iterator_ 00122 operator++(int) 00123 { 00124 binary_heap_const_iterator_ ret_it(base_type::m_p_e); 00125 operator++(); 00126 return ret_it; 00127 } 00128 00129 private: 00130 void 00131 inc() 00132 { ++base_type::m_p_e; } 00133 }; 00134 00135 #undef PB_DS_BIN_HEAP_CIT_BASE 00136 } // namespace detail 00137 } // namespace __gnu_pbds 00138 00139 #endif