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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_d445d0c097210746bce3afd9a77bcad9.html">cereal</a></li><li class="navelem"><a class="el" href="dir_056182efa28390c8a7ef83cb1836ec86.html">types</a></li> </ul>
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<div class="title">polymorphic.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Copyright (c) 2013, Randolph Voorhies, Shane Grant</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> All rights reserved.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Redistribution and use in source and binary forms, with or without</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> modification, are permitted provided that the following conditions are met:</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Redistributions of source code must retain the above copyright</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> notice, this list of conditions and the following disclaimer.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Redistributions in binary form must reproduce the above copyright</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> notice, this list of conditions and the following disclaimer in the</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> documentation and/or other materials provided with the distribution.</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Neither the name of cereal nor the</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> names of its contributors may be used to endorse or promote products</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> derived from this software without specific prior written permission.</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifndef CEREAL_TYPES_POLYMORPHIC_HPP_</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#define CEREAL_TYPES_POLYMORPHIC_HPP_</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <cereal/cereal.hpp></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <cereal/types/memory.hpp></span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <cereal/details/util.hpp></span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <cereal/details/helpers.hpp></span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <cereal/details/traits.hpp></span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <cereal/details/polymorphic_impl.hpp></span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define CEREAL_REGISTER_TYPE(T) \</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"> namespace cereal { \</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> namespace detail { \</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> template <> \</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> struct binding_name<T> \</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> { \</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"> static constexpr char const * name() { return #T; }; \</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"> }; \</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"> } } </span><span class="comment">/* end namespaces */</span><span class="preprocessor"> \</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"> CEREAL_BIND_TO_ARCHIVES(T);</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#define CEREAL_REGISTER_TYPE_WITH_NAME(T, Name) \</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"> namespace cereal { \</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"> namespace detail { \</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"> template <> \</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"> struct binding_name<T> \</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"> { static constexpr char const * name() { return Name; }; }; \</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"> } } </span><span class="comment">/* end namespaces */</span><span class="preprocessor"> \</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"> CEREAL_BIND_TO_ARCHIVES(T);</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">namespace </span>cereal</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">namespace </span>polymorphic_detail</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">template</span><<span class="keyword">class</span> Archive> <span class="keyword">inline</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  typename ::cereal::detail::InputBindingMap<Archive>::Serializers getInputBinding(Archive & ar, std::uint32_t <span class="keyword">const</span> nameid)</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span>(nameid == 0)</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  typename ::cereal::detail::InputBindingMap<Archive>::Serializers emptySerializers;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  emptySerializers.shared_ptr = [](<span class="keywordtype">void</span>*, std::shared_ptr<void> & ptr) { ptr.reset(); };</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  emptySerializers.unique_ptr = [](<span class="keywordtype">void</span>*, std::unique_ptr<void> & ptr) { ptr.reset(); };</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> emptySerializers;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  std::string name;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span>(nameid & detail::msb_32bit)</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  ar( name );</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ar.registerPolymorphicName(nameid, name);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  name = ar.getPolymorphicName(nameid);</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">auto</span> & bindingMap = detail::StaticObject<detail::InputBindingMap<Archive>>::getInstance().map;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">auto</span> binding = bindingMap.find(name);</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span>(binding == bindingMap.end())</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">throw</span> <a class="code" href="structcereal_1_1Exception.html" title="An exception class thrown when things go wrong at runtime.">cereal::Exception</a>(<span class="stringliteral">"Trying to load an unregistered polymorphic type ("</span> + name + <span class="stringliteral">")"</span>);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> binding->second;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">template</span><<span class="keyword">class</span> Archive, <span class="keyword">class</span> T> <span class="keyword">inline</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">typename</span> std::enable_if<std::is_default_constructible<T>::value || traits::has_load_and_allocate<T, Archive>(), <span class="keywordtype">bool</span>>::type</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  serialize_wrapper(Archive & ar, std::shared_ptr<T> & ptr, std::uint32_t <span class="keyword">const</span> nameid)</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span>(nameid & detail::msb2_32bit)</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ar( memory_detail::make_ptr_wrapper(ptr) );</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">template</span><<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D> <span class="keyword">inline</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">typename</span> std::enable_if<std::is_default_constructible<T>::value || traits::has_load_and_allocate<T, Archive>(), <span class="keywordtype">bool</span>>::type</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  serialize_wrapper(Archive & ar, std::unique_ptr<T, D> & ptr, std::uint32_t <span class="keyword">const</span> nameid)</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span>(nameid & detail::msb2_32bit)</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  {</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  ar( memory_detail::make_ptr_wrapper(ptr) );</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">template</span><<span class="keyword">class</span> Archive, <span class="keyword">class</span> T> <span class="keyword">inline</span></div>
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|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">typename</span> std::enable_if<!std::is_default_constructible<T>::value && !traits::has_load_and_allocate<T, Archive>(), <span class="keywordtype">bool</span>>::type</div>
|
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  serialize_wrapper(Archive &, std::shared_ptr<T> &, std::uint32_t <span class="keyword">const</span> nameid)</div>
|
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span>(nameid & detail::msb2_32bit)</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">throw</span> <a class="code" href="structcereal_1_1Exception.html" title="An exception class thrown when things go wrong at runtime.">cereal::Exception</a>(<span class="stringliteral">"Cannot load a polymorphic type that is not default constructable and does not have a load_and_allocate function"</span>);</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">template</span><<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D> <span class="keyword">inline</span></div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">typename</span> std::enable_if<!std::is_default_constructible<T>::value && !traits::has_load_and_allocate<T, Archive>(), <span class="keywordtype">bool</span>>::type</div>
|
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  serialize_wrapper(Archive &, std::unique_ptr<T, D> &, std::uint32_t <span class="keyword">const</span> nameid)</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  {</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span>(nameid & detail::msb2_32bit)</div>
|
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">throw</span> <a class="code" href="structcereal_1_1Exception.html" title="An exception class thrown when things go wrong at runtime.">cereal::Exception</a>(<span class="stringliteral">"Cannot load a polymorphic type that is not default constructable and does not have a load_and_allocate function"</span>);</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  } <span class="comment">// polymorphic_detail</span></div>
|
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
|
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// ######################################################################</span></div>
|
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Pointer serialization for polymorphic types</span></div>
|
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
|
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Archive, <span class="keyword">class</span> T> <span class="keyword">inline</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">typename</span> std::enable_if<std::is_polymorphic<T>::value, <span class="keywordtype">void</span>>::type</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  save( Archive & ar, std::shared_ptr<T> <span class="keyword">const</span> & ptr )</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  {</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span>(!ptr)</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  {</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// same behavior as nullptr in memory implementation</span></div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  ar( _CEREAL_NVP(<span class="stringliteral">"id"</span>, std::uint32_t(0)) );</div>
|
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  std::type_info <span class="keyword">const</span> & ptrinfo = <span class="keyword">typeid</span>(*ptr.get());</div>
|
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">static</span> std::type_info <span class="keyword">const</span> & tinfo = <span class="keyword">typeid</span>(T);</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
|
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span>(ptrinfo == tinfo)</div>
|
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  {</div>
|
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// The 2nd msb signals that the following pointer does not need to be</span></div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// cast with our polymorphic machinery</span></div>
|
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  ar( _CEREAL_NVP(<span class="stringliteral">"id"</span>, detail::msb2_32bit) );</div>
|
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
|
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  ar( _CEREAL_NVP(<span class="stringliteral">"ptr_wrapper"</span>, memory_detail::make_ptr_wrapper(ptr)) );</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
|
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">auto</span> & bindingMap = detail::StaticObject<detail::OutputBindingMap<Archive>>::getInstance().map;</div>
|
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">auto</span> binding = bindingMap.find(std::type_index(ptrinfo));</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span>(binding == bindingMap.end())</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">throw</span> <a class="code" href="structcereal_1_1Exception.html" title="An exception class thrown when things go wrong at runtime.">cereal::Exception</a>(<span class="stringliteral">"Trying to save an unregistered polymorphic type ("</span> + cereal::util::demangle(ptrinfo.name()) + <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
|
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  binding->second.shared_ptr(&ar, ptr.get());</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
|
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Archive, <span class="keyword">class</span> T> <span class="keyword">inline</span></div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">typename</span> std::enable_if<std::is_polymorphic<T>::value, <span class="keywordtype">void</span>>::type</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  load( Archive & ar, std::shared_ptr<T> & ptr )</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  std::uint32_t nameid;</div>
|
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  ar( nameid );</div>
|
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// Check to see if we can skip all of this polymorphism business</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span>(polymorphic_detail::serialize_wrapper(ar, ptr, nameid))</div>
|
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">auto</span> binding = polymorphic_detail::getInputBinding(ar, nameid);</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  std::shared_ptr<void> result;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  binding.shared_ptr(&ar, result);</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  ptr = std::static_pointer_cast<T>(result);</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Archive, <span class="keyword">class</span> T> <span class="keyword">inline</span></div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">typename</span> std::enable_if<std::is_polymorphic<T>::value, <span class="keywordtype">void</span>>::type</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  save( Archive & ar, std::weak_ptr<T> <span class="keyword">const</span> & ptr )</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  {</div>
|
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">auto</span> <span class="keyword">const</span> sptr = ptr.lock();</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  ar( _CEREAL_NVP(<span class="stringliteral">"locked_ptr"</span>, sptr) );</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Archive, <span class="keyword">class</span> T> <span class="keyword">inline</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">typename</span> std::enable_if<std::is_polymorphic<T>::value, <span class="keywordtype">void</span>>::type</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  load( Archive & ar, std::weak_ptr<T> & ptr )</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  std::shared_ptr<T> sptr;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  ar( sptr );</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  ptr = sptr;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D> <span class="keyword">inline</span></div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">typename</span> std::enable_if<std::is_polymorphic<T>::value, <span class="keywordtype">void</span>>::type</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  save( Archive & ar, std::unique_ptr<T, D> <span class="keyword">const</span> & ptr )</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  {</div>
|
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span>(!ptr)</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// same behavior as nullptr in memory implementation</span></div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  ar( _CEREAL_NVP(<span class="stringliteral">"id"</span>, std::uint32_t(0)) );</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  std::type_info <span class="keyword">const</span> & ptrinfo = <span class="keyword">typeid</span>(*ptr.get());</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">static</span> std::type_info <span class="keyword">const</span> & tinfo = <span class="keyword">typeid</span>(T);</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div>
|
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span>(ptrinfo == tinfo)</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  {</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// The 2nd msb signals that the following pointer does not need to be</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// cast with our polymorphic machinery</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  ar( _CEREAL_NVP(<span class="stringliteral">"id"</span>, detail::msb2_32bit) );</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  ar( _CEREAL_NVP(<span class="stringliteral">"ptr_wrapper"</span>, memory_detail::make_ptr_wrapper(ptr)) );</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">auto</span> & bindingMap = detail::StaticObject<detail::OutputBindingMap<Archive>>::getInstance().map;</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">auto</span> binding = bindingMap.find(std::type_index(ptrinfo));</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span>(binding == bindingMap.end())</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">throw</span> <a class="code" href="structcereal_1_1Exception.html" title="An exception class thrown when things go wrong at runtime.">cereal::Exception</a>(<span class="stringliteral">"Trying to save an unregistered polymorphic type ("</span> + cereal::util::demangle(ptrinfo.name()) + <span class="stringliteral">")"</span>);</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
|
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  binding->second.unique_ptr(&ar, ptr.get());</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D> <span class="keyword">inline</span></div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">typename</span> std::enable_if<std::is_polymorphic<T>::value, <span class="keywordtype">void</span>>::type</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  load( Archive & ar, std::unique_ptr<T, D> & ptr )</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  {</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  std::uint32_t nameid;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  ar( nameid );</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// Check to see if we can skip all of this polymorphism business</span></div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span>(polymorphic_detail::serialize_wrapper(ar, ptr, nameid))</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">auto</span> binding = polymorphic_detail::getInputBinding(ar, nameid);</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  std::unique_ptr<void> result;</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  binding.unique_ptr(&ar, result);</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  ptr.reset(static_cast<T*>(result.release()));</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> } <span class="comment">// namespace cereal</span></div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#endif // CEREAL_TYPES_POLYMORPHIC_HPP_</span></div>
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</a> 1.8.3.1
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</small></address>
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</body>
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</html>
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