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<div id="projectbrief">A C++11 library for serialization</div>
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<div class="title">memory.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> Copyright (c) 2013, Randolph Voorhies, Shane Grant</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> notice, this list of conditions and the following disclaimer in the</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> documentation and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * Neither the name of cereal nor the</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> names of its contributors may be used to endorse or promote products</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> DISCLAIMED. IN NO EVENT SHALL &lt;COPYRIGHT HOLDER&gt; BE LIABLE FOR ANY</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"> (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#ifndef CEREAL_TYPES_SHARED_PTR_HPP_</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define CEREAL_TYPES_SHARED_PTR_HPP_</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;cereal/cereal.hpp&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">namespace </span>cereal</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;{</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keyword">namespace </span>memory_detail</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="structcereal_1_1memory__detail_1_1PtrWrapper.html"> 41</a></span>&#160; <span class="keyword">struct </span><a class="code" href="structcereal_1_1memory__detail_1_1PtrWrapper.html" title="A wrapper class to notify cereal that it is ok to serialize the contained pointer.">PtrWrapper</a></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <a class="code" href="structcereal_1_1memory__detail_1_1PtrWrapper.html" title="A wrapper class to notify cereal that it is ok to serialize the contained pointer.">PtrWrapper</a>(T &amp;&amp; p) : ptr(std::forward&lt;T&gt;(p)) {}</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; T &amp; ptr;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; };</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <a class="code" href="structcereal_1_1memory__detail_1_1PtrWrapper.html" title="A wrapper class to notify cereal that it is ok to serialize the contained pointer.">PtrWrapper&lt;T&gt;</a> make_ptr_wrapper(T &amp;&amp; t)</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">return</span> {std::forward&lt;T&gt;(t)};</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_polymorphic&lt;T&gt;::value, <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; save( Archive &amp; ar, std::shared_ptr&lt;T&gt; <span class="keyword">const</span> &amp; ptr )</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;ptr_wrapper&quot;</span>, memory_detail::make_ptr_wrapper( ptr )) );</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_polymorphic&lt;T&gt;::value, <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; load( Archive &amp; ar, std::shared_ptr&lt;T&gt; &amp; ptr )</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; ar( memory_detail::make_ptr_wrapper( ptr ) );</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_polymorphic&lt;T&gt;::value, <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; save( Archive &amp; ar, std::weak_ptr&lt;T&gt; <span class="keyword">const</span> &amp; ptr )</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">auto</span> sptr = ptr.lock();</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;ptr_wrapper&quot;</span>, memory_detail::make_ptr_wrapper( sptr )) );</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_polymorphic&lt;T&gt;::value, <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; load( Archive &amp; ar, std::weak_ptr&lt;T&gt; &amp; ptr )</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; std::shared_ptr&lt;T&gt; sptr;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; ar( memory_detail::make_ptr_wrapper( sptr ) );</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; ptr = sptr;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_polymorphic&lt;T&gt;::value, <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; save( Archive &amp; ar, std::unique_ptr&lt;T, D&gt; <span class="keyword">const</span> &amp; ptr )</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;ptr_wrapper&quot;</span>, memory_detail::make_ptr_wrapper( ptr )) );</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_polymorphic&lt;T&gt;::value, <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; load( Archive &amp; ar, std::unique_ptr&lt;T, D&gt; &amp; ptr )</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; ar( memory_detail::make_ptr_wrapper( ptr ) );</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; }</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="comment">// ######################################################################</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="comment">// Pointer wrapper implementations follow below</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordtype">void</span> save( Archive &amp; ar, memory_detail::PtrWrapper&lt;std::shared_ptr&lt;T&gt; <span class="keyword">const</span> &amp;&gt; <span class="keyword">const</span> &amp; wrapper )</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keyword">auto</span> &amp; ptr = wrapper.ptr;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; uint32_t <span class="keywordtype">id</span> = ar.registerSharedPointer( ptr.get() );</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;id&quot;</span>, <span class="keywordtype">id</span>) );</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">if</span>( <span class="keywordtype">id</span> &amp; detail::msb_32bit )</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; {</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;data&quot;</span>, *ptr) );</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;traits::has_load_and_allocate&lt;T, Archive&gt;(), <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; load( Archive &amp; ar, memory_detail::PtrWrapper&lt;std::shared_ptr&lt;T&gt; &amp;&gt; &amp; wrapper )</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">auto</span> &amp; ptr = wrapper.ptr;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; uint32_t id;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; ar( <span class="keywordtype">id</span> );</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">if</span>( <span class="keywordtype">id</span> &amp; detail::msb_32bit )</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; ptr.reset( detail::Load&lt;T, Archive&gt;::load_andor_allocate( ar ) );</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; ar.registerSharedPointer(<span class="keywordtype">id</span>, ptr);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; ptr = std::static_pointer_cast&lt;T&gt;(ar.getSharedPointer(<span class="keywordtype">id</span>));</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!traits::has_load_and_allocate&lt;T, Archive&gt;(), <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; load( Archive &amp; ar, memory_detail::PtrWrapper&lt;std::shared_ptr&lt;T&gt; &amp;&gt; &amp; wrapper )</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keyword">auto</span> &amp; ptr = wrapper.ptr;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; uint32_t id;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; ar( <span class="keywordtype">id</span> );</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span>( <span class="keywordtype">id</span> &amp; detail::msb_32bit )</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; ptr.reset( detail::Load&lt;T, Archive&gt;::load_andor_allocate( ar ) );</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; ar( *ptr );</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; ar.registerSharedPointer(<span class="keywordtype">id</span>, ptr);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; ptr = std::static_pointer_cast&lt;T&gt;(ar.getSharedPointer(<span class="keywordtype">id</span>));</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordtype">void</span> save( Archive &amp; ar, memory_detail::PtrWrapper&lt;std::unique_ptr&lt;T, D&gt; <span class="keyword">const</span> &amp;&gt; <span class="keyword">const</span> &amp; wrapper )</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keyword">auto</span> &amp; ptr = wrapper.ptr;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="comment">// unique_ptr get one byte of metadata which signifies whether they were a nullptr</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="comment">// 0 == nullptr</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="comment">// 1 == not null</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keywordflow">if</span>( !ptr )</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;valid&quot;</span>, uint8_t(0)) );</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;valid&quot;</span>, uint8_t(1)) );</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; ar( _CEREAL_NVP(<span class="stringliteral">&quot;data&quot;</span>, *ptr) );</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;traits::has_load_and_allocate&lt;T, Archive&gt;(), <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; load( Archive &amp; ar, memory_detail::PtrWrapper&lt;std::unique_ptr&lt;T, D&gt; &amp;&gt; &amp; wrapper )</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; uint8_t isValid;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; ar( isValid );</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keyword">auto</span> &amp; ptr = wrapper.ptr;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">if</span>( isValid )</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; ptr.reset( detail::Load&lt;T, Archive&gt;::load_andor_allocate( ar ) );</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; ptr.reset( <span class="keyword">nullptr</span> );</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Archive, <span class="keyword">class</span> T, <span class="keyword">class</span> D&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!traits::has_load_and_allocate&lt;T, Archive&gt;(), <span class="keywordtype">void</span>&gt;::type</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; load( Archive &amp; ar, memory_detail::PtrWrapper&lt;std::unique_ptr&lt;T, D&gt; &amp;&gt; &amp; wrapper )</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; uint8_t isValid;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; ar( isValid );</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keyword">auto</span> &amp; ptr = wrapper.ptr;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">if</span>( isValid )</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; {</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; ptr.reset( detail::Load&lt;T, Archive&gt;::load_andor_allocate( ar ) );</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; ar( *ptr );</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; {</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; ptr.reset( <span class="keyword">nullptr</span> );</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; }</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; }</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;} <span class="comment">// namespace cereal</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;<span class="preprocessor">#endif // CEREAL_TYPES_SHARED_PTR_HPP_</span></div>
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