1 | // |
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2 | // Boost.Pointer Container |
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3 | // |
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4 | // Copyright Thorsten Ottosen 2003-2005. Use, modification and |
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5 | // distribution is subject to the Boost Software License, Version |
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6 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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7 | // http://www.boost.org/LICENSE_1_0.txt) |
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8 | // |
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9 | // For more information, see http://www.boost.org/libs/ptr_container/ |
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10 | // |
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11 | |
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12 | #ifndef BOOST_PTR_CONTAINER_DETAIL_PTR_MAP_ADAPTER_HPP |
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13 | #define BOOST_PTR_CONTAINER_DETAIL_PTR_MAP_ADAPTER_HPP |
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14 | |
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15 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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16 | # pragma once |
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17 | #endif |
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18 | |
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19 | #include <boost/ptr_container/detail/map_iterator.hpp> |
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20 | #include <boost/ptr_container/detail/associative_ptr_container.hpp> |
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21 | #include <boost/static_assert.hpp> |
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22 | #include <boost/range/iterator_range.hpp> |
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23 | |
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24 | namespace boost |
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25 | { |
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26 | namespace ptr_container_detail |
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27 | { |
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28 | |
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29 | template |
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30 | < |
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31 | class T, |
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32 | class VoidPtrMap |
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33 | > |
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34 | struct map_config |
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35 | { |
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36 | typedef BOOST_DEDUCED_TYPENAME remove_nullable<T>::type |
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37 | U; |
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38 | typedef VoidPtrMap |
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39 | void_container_type; |
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40 | |
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41 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::allocator_type |
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42 | allocator_type; |
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43 | |
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44 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::key_compare |
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45 | key_compare; |
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46 | |
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47 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::value_compare |
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48 | value_compare; |
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49 | |
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50 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::key_type |
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51 | key_type; |
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52 | |
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53 | typedef U value_type; |
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54 | |
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55 | typedef ptr_map_iterator< BOOST_DEDUCED_TYPENAME VoidPtrMap::iterator, key_type, U* const > |
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56 | iterator; |
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57 | |
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58 | typedef ptr_map_iterator< BOOST_DEDUCED_TYPENAME VoidPtrMap::const_iterator, key_type, const U* const> |
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59 | const_iterator; |
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60 | |
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61 | template< class Iter > |
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62 | static U* get_pointer( Iter i ) |
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63 | { |
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64 | return i->second; |
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65 | } |
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66 | |
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67 | template< class Iter > |
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68 | static const U* get_const_pointer( Iter i ) |
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69 | { |
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70 | return i->second; |
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71 | } |
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72 | |
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73 | BOOST_STATIC_CONSTANT( bool, allow_null = boost::is_nullable<T>::value ); |
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74 | }; |
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75 | |
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76 | |
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77 | |
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78 | template |
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79 | < |
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80 | class T, |
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81 | class VoidPtrMap, |
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82 | class CloneAllocator |
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83 | > |
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84 | class ptr_map_adapter_base : |
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85 | public ptr_container_detail::associative_ptr_container< map_config<T,VoidPtrMap>, |
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86 | CloneAllocator > |
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87 | { |
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88 | typedef ptr_container_detail::associative_ptr_container< map_config<T,VoidPtrMap>, |
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89 | CloneAllocator > |
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90 | base_type; |
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91 | |
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92 | typedef map_config<T,VoidPtrMap> config; |
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93 | |
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94 | typedef ptr_map_adapter_base<T,VoidPtrMap,CloneAllocator> this_type; |
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95 | |
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96 | public: |
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97 | |
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98 | typedef BOOST_DEDUCED_TYPENAME base_type::allocator_type |
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99 | allocator_type; |
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100 | typedef BOOST_DEDUCED_TYPENAME base_type::iterator |
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101 | iterator; |
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102 | typedef BOOST_DEDUCED_TYPENAME base_type::const_iterator |
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103 | const_iterator; |
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104 | typedef BOOST_DEDUCED_TYPENAME base_type::size_type |
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105 | size_type; |
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106 | typedef BOOST_DEDUCED_TYPENAME base_type::key_type |
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107 | key_type; |
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108 | typedef BOOST_DEDUCED_TYPENAME base_type::auto_type |
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109 | auto_type; |
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110 | typedef BOOST_DEDUCED_TYPENAME base_type::value_type |
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111 | mapped_type; |
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112 | typedef BOOST_DEDUCED_TYPENAME base_type::reference |
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113 | mapped_reference; |
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114 | typedef BOOST_DEDUCED_TYPENAME base_type::const_reference |
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115 | const_mapped_reference; |
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116 | typedef BOOST_DEDUCED_TYPENAME iterator_value<iterator>::type |
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117 | value_type; |
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118 | typedef value_type |
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119 | reference; |
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120 | typedef BOOST_DEDUCED_TYPENAME iterator_value<const_iterator>::type |
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121 | const_reference; |
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122 | typedef value_type |
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123 | pointer; |
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124 | typedef const_reference |
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125 | const_pointer; |
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126 | |
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127 | private: |
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128 | const_mapped_reference lookup( const key_type& key ) const |
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129 | { |
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130 | const_iterator i = this->find( key ); |
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131 | if( i != this->end() ) |
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132 | return *i->second; |
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133 | else |
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134 | BOOST_PTR_CONTAINER_THROW_EXCEPTION( true, bad_ptr_container_operation, |
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135 | "'ptr_map/multimap::at()' could" |
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136 | " not find key" ); |
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137 | } |
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138 | |
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139 | struct eraser // scope guard |
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140 | { |
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141 | bool released_; |
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142 | VoidPtrMap* m_; |
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143 | const key_type& key_; |
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144 | |
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145 | eraser( VoidPtrMap* m, const key_type& key ) |
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146 | : released_(false), m_(m), key_(key) |
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147 | {} |
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148 | |
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149 | ~eraser() |
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150 | { |
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151 | if( !released_ ) |
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152 | m_->erase(key_); |
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153 | } |
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154 | |
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155 | void release() { released_ = true; } |
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156 | }; |
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157 | |
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158 | mapped_reference insert_lookup( const key_type& key ) |
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159 | { |
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160 | void*& ref = this->c_private()[key]; |
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161 | if( ref ) |
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162 | { |
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163 | return *static_cast<mapped_type>(ref); |
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164 | } |
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165 | else |
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166 | { |
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167 | eraser e(&this->c_private(),key); // nothrow |
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168 | mapped_type res = new T(); // strong |
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169 | ref = res; // nothrow |
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170 | e.release(); // nothrow |
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171 | return *res; |
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172 | } |
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173 | } |
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174 | |
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175 | public: |
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176 | |
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177 | ptr_map_adapter_base( const allocator_type& a = allocator_type() ) |
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178 | : base_type(a) |
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179 | { } |
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180 | |
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181 | template< class InputIterator > |
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182 | ptr_map_adapter_base( InputIterator first, InputIterator last, |
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183 | const allocator_type& a = allocator_type() ) |
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184 | : base_type( first, last, a ) |
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185 | { } |
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186 | |
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187 | template< class Compare, class Allocator > |
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188 | explicit ptr_map_adapter_base( const Compare& comp, |
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189 | const Allocator& a ) |
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190 | : base_type( comp, a ) |
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191 | { } |
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192 | |
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193 | template< class PtrContainer > |
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194 | ptr_map_adapter_base( std::auto_ptr<PtrContainer> clone ) |
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195 | : base_type( clone ) |
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196 | { } |
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197 | |
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198 | template< typename PtrContainer > |
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199 | void operator=( std::auto_ptr<PtrContainer> clone ) |
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200 | { |
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201 | base_type::operator=( clone ); |
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202 | } |
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203 | |
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204 | iterator find( const key_type& x ) |
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205 | { |
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206 | return iterator( this->c_private().find( x ) ); |
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207 | } |
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208 | |
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209 | const_iterator find( const key_type& x ) const |
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210 | { |
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211 | return const_iterator( this->c_private().find( x ) ); |
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212 | } |
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213 | |
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214 | size_type count( const key_type& x ) const |
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215 | { |
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216 | return this->c_private().count( x ); |
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217 | } |
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218 | |
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219 | iterator lower_bound( const key_type& x ) |
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220 | { |
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221 | return iterator( this->c_private().lower_bound( x ) ); |
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222 | } |
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223 | |
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224 | const_iterator lower_bound( const key_type& x ) const |
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225 | { |
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226 | return const_iterator( this->c_private().lower_bound( x ) ); |
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227 | } |
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228 | |
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229 | iterator upper_bound( const key_type& x ) |
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230 | { |
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231 | return iterator( this->c_private().upper_bound( x ) ); |
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232 | } |
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233 | |
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234 | const_iterator upper_bound( const key_type& x ) const |
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235 | { |
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236 | return const_iterator( this->c_private().upper_bound( x ) ); |
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237 | } |
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238 | |
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239 | iterator_range<iterator> equal_range( const key_type& x ) |
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240 | { |
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241 | std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_iterator, |
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242 | BOOST_DEDUCED_TYPENAME base_type::ptr_iterator> |
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243 | p = this->c_private().equal_range( x ); |
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244 | return make_iterator_range( iterator( p.first ), iterator( p.second ) ); |
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245 | } |
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246 | |
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247 | iterator_range<const_iterator> equal_range( const key_type& x ) const |
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248 | { |
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249 | std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_const_iterator, |
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250 | BOOST_DEDUCED_TYPENAME base_type::ptr_const_iterator> |
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251 | p = this->c_private().equal_range( x ); |
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252 | return make_iterator_range( const_iterator( p.first ), |
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253 | const_iterator( p.second ) ); |
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254 | } |
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255 | |
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256 | mapped_reference at( const key_type& key ) |
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257 | { |
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258 | return const_cast<mapped_reference>( lookup( key ) ); |
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259 | } |
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260 | |
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261 | const_mapped_reference at( const key_type& key ) const |
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262 | { |
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263 | return lookup( key ); |
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264 | } |
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265 | |
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266 | mapped_reference operator[]( const key_type& key ) |
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267 | { |
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268 | return insert_lookup( key ); |
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269 | } |
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270 | |
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271 | auto_type replace( iterator where, mapped_type x ) // strong |
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272 | { |
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273 | BOOST_ASSERT( where != this->end() ); |
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274 | |
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275 | this->enforce_null_policy( x, "Null pointer in 'replace()'" ); |
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276 | |
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277 | auto_type ptr( x ); |
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278 | |
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279 | BOOST_PTR_CONTAINER_THROW_EXCEPTION( this->empty(), |
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280 | bad_ptr_container_operation, |
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281 | "'replace()' on empty container" ); |
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282 | |
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283 | auto_type old( where->second ); // nothrow |
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284 | where.base()->second = ptr.release(); // nothrow, commit |
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285 | return move( old ); |
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286 | } |
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287 | |
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288 | template< class U > |
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289 | auto_type replace( iterator where, std::auto_ptr<U> x ) |
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290 | { |
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291 | return replace( where, x.release() ); |
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292 | } |
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293 | |
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294 | public: // serialization |
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295 | |
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296 | template< class Archive > |
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297 | void save( Archive& ar, const unsigned ) const |
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298 | { |
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299 | ar & ptr_container_detail::serialize_as_const( this->size() ); |
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300 | |
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301 | const_iterator i = this->begin(), e = this->end(); |
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302 | for( ; i != e; ++i ) |
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303 | { |
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304 | ar & i->first; |
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305 | ar & ptr_container_detail::serialize_as_const( i->second ); |
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306 | } |
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307 | } |
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308 | }; |
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309 | |
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310 | } // ptr_container_detail |
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311 | |
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312 | ///////////////////////////////////////////////////////////////////////// |
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313 | // ptr_map_adapter |
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314 | ///////////////////////////////////////////////////////////////////////// |
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315 | |
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316 | template |
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317 | < |
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318 | class T, |
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319 | class VoidPtrMap, |
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320 | class CloneAllocator = heap_clone_allocator |
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321 | > |
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322 | class ptr_map_adapter : |
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323 | public ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMap,CloneAllocator> |
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324 | { |
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325 | typedef ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMap,CloneAllocator> |
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326 | base_type; |
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327 | |
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328 | public: |
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329 | typedef BOOST_DEDUCED_TYPENAME base_type::iterator |
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330 | iterator; |
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331 | typedef BOOST_DEDUCED_TYPENAME base_type::const_iterator |
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332 | const_iterator; |
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333 | typedef BOOST_DEDUCED_TYPENAME base_type::size_type |
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334 | size_type; |
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335 | typedef BOOST_DEDUCED_TYPENAME base_type::key_type |
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336 | key_type; |
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337 | typedef BOOST_DEDUCED_TYPENAME base_type::const_reference |
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338 | const_reference; |
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339 | typedef BOOST_DEDUCED_TYPENAME base_type::auto_type |
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340 | auto_type; |
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341 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::key_compare |
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342 | key_compare; |
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343 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::allocator_type |
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344 | allocator_type; |
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345 | typedef BOOST_DEDUCED_TYPENAME base_type::mapped_type |
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346 | mapped_type; |
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347 | private: |
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348 | |
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349 | void safe_insert( const key_type& key, auto_type ptr ) // strong |
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350 | { |
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351 | std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_iterator,bool> |
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352 | res = |
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353 | this->c_private().insert( std::make_pair( key, ptr.get() ) ); // strong, commit |
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354 | if( res.second ) // nothrow |
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355 | ptr.release(); // nothrow |
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356 | } |
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357 | |
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358 | template< class II > |
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359 | void map_basic_clone_and_insert( II first, II last ) |
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360 | { |
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361 | while( first != last ) |
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362 | { |
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363 | if( this->find( first->first ) == this->end() ) |
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364 | { |
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365 | const_reference p = *first.base(); // nothrow |
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366 | auto_type ptr( this->null_policy_allocate_clone( p.second ) ); |
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367 | // strong |
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368 | this->safe_insert( p.first, ptr_container_detail:: |
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369 | move( ptr ) );// strong, commit |
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370 | } |
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371 | ++first; |
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372 | } |
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373 | } |
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374 | |
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375 | public: |
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376 | |
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377 | explicit ptr_map_adapter( const key_compare& comp = key_compare(), |
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378 | const allocator_type& a = allocator_type() ) |
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379 | : base_type( comp, a ) { } |
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380 | |
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381 | template< class InputIterator > |
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382 | ptr_map_adapter( InputIterator first, InputIterator last, |
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383 | const key_compare& comp = key_compare(), |
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384 | const allocator_type& a = allocator_type() ) |
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385 | : base_type( comp, a ) |
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386 | { |
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387 | map_basic_clone_and_insert( first, last ); |
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388 | } |
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389 | |
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390 | template< class U > |
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391 | ptr_map_adapter( std::auto_ptr<U> r ) : base_type( r ) |
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392 | { } |
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393 | |
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394 | template< class U > |
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395 | void operator=( std::auto_ptr<U> r ) |
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396 | { |
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397 | base_type::operator=( r ); |
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398 | } |
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399 | |
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400 | using base_type::release; |
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401 | |
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402 | template< typename InputIterator > |
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403 | void insert( InputIterator first, InputIterator last ) // basic |
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404 | { |
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405 | map_basic_clone_and_insert( first, last ); |
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406 | } |
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407 | |
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408 | template< class Range > |
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409 | void insert( const Range& r ) |
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410 | { |
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411 | insert( boost::begin(r), boost::end(r) ); |
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412 | } |
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413 | |
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414 | private: |
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415 | std::pair<iterator,bool> insert_impl( const key_type& key, mapped_type x ) // strong |
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416 | { |
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417 | this->enforce_null_policy( x, "Null pointer in ptr_map_adapter::insert()" ); |
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418 | auto_type ptr( x ); // nothrow |
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419 | |
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420 | std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_iterator,bool> |
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421 | res = this->c_private().insert( std::make_pair( key, x ) ); // strong, commit |
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422 | if( res.second ) // nothrow |
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423 | ptr.release(); // nothrow |
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424 | return std::make_pair( iterator( res.first ), res.second ); // nothrow |
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425 | } |
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426 | |
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427 | public: |
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428 | |
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429 | std::pair<iterator,bool> insert( key_type& key, mapped_type x ) |
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430 | { |
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431 | return insert_impl( key, x ); |
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432 | } |
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433 | |
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434 | template< class U > |
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435 | std::pair<iterator,bool> insert( const key_type& key, std::auto_ptr<U> x ) |
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436 | { |
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437 | return insert_impl( key, x.release() ); |
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438 | } |
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439 | |
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440 | template< class PtrMapAdapter > |
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441 | bool transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator object, |
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442 | PtrMapAdapter& from ) // strong |
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443 | { |
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444 | return this->single_transfer( object, from ); |
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445 | } |
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446 | |
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447 | template< class PtrMapAdapter > |
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448 | size_type transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator first, |
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449 | BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator last, |
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450 | PtrMapAdapter& from ) // basic |
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451 | { |
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452 | return this->single_transfer( first, last, from ); |
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453 | } |
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454 | |
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455 | #if defined(BOOST_NO_SFINAE) || BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580) |
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456 | #else |
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457 | |
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458 | template< class PtrMapAdapter, class Range > |
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459 | BOOST_DEDUCED_TYPENAME boost::disable_if< boost::is_same< Range, |
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460 | BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator >, |
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461 | size_type >::type |
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462 | transfer( const Range& r, PtrMapAdapter& from ) // basic |
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463 | { |
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464 | return transfer( boost::begin(r), boost::end(r), from ); |
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465 | } |
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466 | |
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467 | #endif |
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468 | |
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469 | template< class PtrMapAdapter > |
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470 | size_type transfer( PtrMapAdapter& from ) // basic |
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471 | { |
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472 | return transfer( from.begin(), from.end(), from ); |
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473 | } |
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474 | |
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475 | public: // serialization |
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476 | |
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477 | template< class Archive > |
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478 | void load( Archive& ar, const unsigned ) // strong |
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479 | { |
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480 | this->clear(); |
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481 | size_type n; |
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482 | ar & n; |
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483 | |
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484 | for( size_type i = 0u; i != n; ++i ) |
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485 | { |
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486 | key_type key; |
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487 | T* value; |
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488 | ar & key; |
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489 | ar & value; |
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490 | std::pair<iterator,bool> p = this->insert( key, value ); |
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491 | ar.reset_object_address( &p.first->first, &key ); |
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492 | } |
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493 | } |
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494 | |
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495 | BOOST_SERIALIZATION_SPLIT_MEMBER() |
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496 | |
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497 | }; |
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498 | |
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499 | ///////////////////////////////////////////////////////////////////////// |
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500 | // ptr_multimap_adapter |
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501 | ///////////////////////////////////////////////////////////////////////// |
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502 | |
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503 | template |
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504 | < |
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505 | class T, |
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506 | class VoidPtrMultiMap, |
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507 | class CloneAllocator = heap_clone_allocator |
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508 | > |
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509 | class ptr_multimap_adapter : |
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510 | public ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMultiMap,CloneAllocator> |
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511 | { |
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512 | typedef ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMultiMap,CloneAllocator> |
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513 | base_type; |
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514 | |
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515 | public: // typedefs |
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516 | typedef BOOST_DEDUCED_TYPENAME base_type::iterator |
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517 | iterator; |
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518 | typedef BOOST_DEDUCED_TYPENAME base_type::const_iterator |
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519 | const_iterator; |
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520 | typedef BOOST_DEDUCED_TYPENAME base_type::size_type |
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521 | size_type; |
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522 | typedef BOOST_DEDUCED_TYPENAME base_type::key_type |
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523 | key_type; |
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524 | typedef BOOST_DEDUCED_TYPENAME base_type::const_reference |
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525 | const_reference; |
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526 | typedef BOOST_DEDUCED_TYPENAME base_type::mapped_type |
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527 | mapped_type; |
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528 | typedef BOOST_DEDUCED_TYPENAME base_type::auto_type |
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529 | auto_type; |
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530 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMultiMap::key_compare |
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531 | key_compare; |
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532 | typedef BOOST_DEDUCED_TYPENAME VoidPtrMultiMap::allocator_type |
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533 | allocator_type; |
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534 | private: |
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535 | |
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536 | void safe_insert( const key_type& key, auto_type ptr ) // strong |
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537 | { |
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538 | this->c_private().insert( |
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539 | std::make_pair( key, ptr.get() ) ); // strong, commit |
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540 | ptr.release(); // nothrow |
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541 | } |
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542 | |
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543 | template< typename II > |
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544 | void map_basic_clone_and_insert( II first, II last ) |
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545 | { |
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546 | while( first != last ) |
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547 | { |
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548 | const_reference pair = *first.base(); // nothrow |
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549 | auto_type ptr( this->null_policy_allocate_clone( pair.second ) ); |
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550 | // strong |
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551 | safe_insert( pair.first, ptr_container_detail:: |
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552 | move( ptr ) ); // strong, commit |
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553 | ++first; |
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554 | } |
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555 | } |
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556 | |
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557 | public: |
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558 | |
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559 | explicit ptr_multimap_adapter( const key_compare& comp = key_compare(), |
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560 | const allocator_type& a = allocator_type() ) |
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561 | : base_type( comp, a ) { } |
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562 | |
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563 | template< class InputIterator > |
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564 | ptr_multimap_adapter( InputIterator first, InputIterator last, |
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565 | const key_compare& comp = key_compare(), |
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566 | const allocator_type& a = allocator_type() ) |
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567 | : base_type( comp, a ) |
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568 | { |
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569 | map_basic_clone_and_insert( first, last ); |
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570 | } |
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571 | |
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572 | template< class U > |
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573 | ptr_multimap_adapter( std::auto_ptr<U> r ) : base_type( r ) |
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574 | { } |
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575 | |
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576 | template< class U > |
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577 | void operator=( std::auto_ptr<U> r ) |
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578 | { |
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579 | base_type::operator=( r ); |
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580 | } |
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581 | |
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582 | using base_type::release; |
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583 | |
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584 | template< typename InputIterator > |
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585 | void insert( InputIterator first, InputIterator last ) // basic |
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586 | { |
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587 | map_basic_clone_and_insert( first, last ); |
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588 | } |
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589 | |
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590 | template< class Range > |
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591 | void insert( const Range& r ) |
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592 | { |
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593 | insert( boost::begin(r), boost::end(r) ); |
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594 | } |
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595 | |
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596 | iterator insert( key_type& key, mapped_type x ) // strong |
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597 | { |
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598 | this->enforce_null_policy( x, |
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599 | "Null pointer in 'ptr_multimap_adapter::insert()'" ); |
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600 | |
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601 | auto_type ptr( x ); // nothrow |
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602 | BOOST_DEDUCED_TYPENAME base_type::ptr_iterator |
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603 | res = this->c_private().insert( std::make_pair( key, x ) ); |
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604 | // strong, commit |
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605 | ptr.release(); // notrow |
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606 | return iterator( res ); |
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607 | } |
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608 | |
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609 | template< class U > |
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610 | iterator insert( key_type& key, std::auto_ptr<U> x ) |
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611 | { |
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612 | return insert( key, x.release() ); |
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613 | } |
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614 | |
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615 | template< class PtrMapAdapter > |
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616 | void transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator object, |
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617 | PtrMapAdapter& from ) // strong |
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618 | { |
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619 | this->multi_transfer( object, from ); |
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620 | } |
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621 | |
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622 | template< class PtrMapAdapter > |
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623 | size_type transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator first, |
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624 | BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator last, |
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625 | PtrMapAdapter& from ) // basic |
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626 | { |
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627 | return this->multi_transfer( first, last, from ); |
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628 | } |
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629 | |
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630 | #if defined(BOOST_NO_SFINAE) || BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580) |
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631 | #else |
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632 | |
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633 | template< class PtrMapAdapter, class Range > |
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634 | BOOST_DEDUCED_TYPENAME boost::disable_if< boost::is_same< Range, |
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635 | BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator >, |
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636 | size_type >::type |
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637 | transfer( const Range& r, PtrMapAdapter& from ) // basic |
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638 | { |
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639 | return transfer( boost::begin(r), boost::end(r), from ); |
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640 | } |
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641 | |
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642 | #endif |
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643 | template< class PtrMapAdapter > |
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644 | void transfer( PtrMapAdapter& from ) // basic |
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645 | { |
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646 | transfer( from.begin(), from.end(), from ); |
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647 | BOOST_ASSERT( from.empty() ); |
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648 | } |
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649 | |
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650 | public: // serialization |
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651 | |
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652 | template< class Archive > |
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653 | void load( Archive& ar, const unsigned ) // basic |
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654 | { |
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655 | this->clear(); |
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656 | size_type n; |
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657 | ar & n; |
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658 | |
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659 | for( size_type i = 0u; i != n; ++i ) |
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660 | { |
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661 | key_type key; |
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662 | T* value; |
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663 | ar & key; |
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664 | ar & value; |
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665 | iterator p = this->insert( key, value ); |
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666 | ar.reset_object_address( &p->first, &key ); |
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667 | } |
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668 | } |
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669 | |
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670 | BOOST_SERIALIZATION_SPLIT_MEMBER() |
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671 | |
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672 | }; |
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673 | |
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674 | template< class I, class F, class S > |
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675 | inline bool is_null( const ptr_map_iterator<I,F,S>& i ) |
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676 | { |
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677 | return i->second == 0; |
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678 | } |
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679 | |
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680 | } // namespace 'boost' |
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681 | |
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682 | #endif |
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