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| <li class="navelem"><a class="el" href="dir_bdd9a5d540de89e9fe90efdfc6973a4f.html">common</a></li><li class="navelem"><a class="el" href="dir_11fbc4217d50ab21044e5ad6614aede5.html">include</a></li> </ul> |
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| <div class="headertitle"><div class="title">serde.hpp</div></div> |
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| <div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * under the License.</span></div> |
| <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#ifndef DATASKETCHES_SERDE_HPP_</span></div> |
| <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#define DATASKETCHES_SERDE_HPP_</span></div> |
| <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <cstring></span></div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <iostream></span></div> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include <memory></span></div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include <string></span></div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include <exception></span></div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "memory_operations.hpp"</span></div> |
| <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacedatasketches.html">datasketches</a> {</div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="foldopen" id="foldopen00034" data-start="{" data-end="};"> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde.html"> 34</a></span><span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> Enable = <span class="keywordtype">void</span>> <span class="keyword">struct </span><a class="code hl_struct" href="structdatasketches_1_1serde.html">serde</a> {</div> |
| <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde.html#a6c83e1b2b2ec0c10698a155e60ef2b4c"> 41</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="structdatasketches_1_1serde.html#a6c83e1b2b2ec0c10698a155e60ef2b4c">serialize</a>(std::ostream& os, <span class="keyword">const</span> T* items, <span class="keywordtype">unsigned</span> num) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde.html#a6a54156811a53ef44ac95b507e51c96a"> 49</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="structdatasketches_1_1serde.html#a6a54156811a53ef44ac95b507e51c96a">deserialize</a>(std::istream& is, T* items, <span class="keywordtype">unsigned</span> num) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div> |
| <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde.html#a8cf20deb8d752971876e996135c26eaa"> 58</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde.html#a8cf20deb8d752971876e996135c26eaa">serialize</a>(<span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> capacity, <span class="keyword">const</span> T* items, <span class="keywordtype">unsigned</span> num) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div> |
| <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde.html#a45678998333722fab5dd1e278ac27ef5"> 67</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde.html#a45678998333722fab5dd1e278ac27ef5">deserialize</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> capacity, T* items, <span class="keywordtype">unsigned</span> num) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div> |
| <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde.html#a3291383cf9767a56e84b1a0ef5da178e"> 74</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde.html#a3291383cf9767a56e84b1a0ef5da178e">size_of_item</a>(<span class="keyword">const</span> T& item) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>};</div> |
| </div> |
| <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="keyword">template</span><<span class="keyword">typename</span> T></div> |
| <div class="foldopen" id="foldopen00081" data-start="{" data-end="};"> |
| <div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html"> 81</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structdatasketches_1_1serde.html">serde</a><T, typename std::enable_if<std::is_arithmetic<T>::value>::type> {</div> |
| <div class="foldopen" id="foldopen00083" data-start="{" data-end="}"> |
| <div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a6c83e1b2b2ec0c10698a155e60ef2b4c"> 83</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a6c83e1b2b2ec0c10698a155e60ef2b4c">serialize</a>(std::ostream& os, <span class="keyword">const</span> T* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordtype">bool</span> failure = <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">try</span> {</div> |
| <div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> os.write(<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(items), <span class="keyword">sizeof</span>(T) * num);</div> |
| <div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> } <span class="keywordflow">catch</span> (std::ostream::failure&) {</div> |
| <div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> failure = <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div> |
| <div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">if</span> (failure || !os.good()) {</div> |
| <div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"error writing to std::ostream with "</span> + std::to_string(num) + <span class="stringliteral">" items"</span>);</div> |
| <div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div> |
| <div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div> |
| </div> |
| <div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div> |
| <div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordtype">void</span> <a class="code hl_function" href="structdatasketches_1_1serde.html#a6a54156811a53ef44ac95b507e51c96a">deserialize</a>(std::istream& is, T* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordtype">bool</span> failure = <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">try</span> {</div> |
| <div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> is.read((<span class="keywordtype">char</span>*)items, <span class="keyword">sizeof</span>(T) * num);</div> |
| <div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> } <span class="keywordflow">catch</span> (std::istream::failure&) {</div> |
| <div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> failure = <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div> |
| <div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">if</span> (failure || !is.good()) {</div> |
| <div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"error reading from std::istream with "</span> + std::to_string(num) + <span class="stringliteral">" items"</span>);</div> |
| <div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> }</div> |
| <div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div> |
| <div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div> |
| <div class="foldopen" id="foldopen00108" data-start="{" data-end="}"> |
| <div class="line"><a id="l00108" name="l00108"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a8cf20deb8d752971876e996135c26eaa"> 108</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a8cf20deb8d752971876e996135c26eaa">serialize</a>(<span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> capacity, <span class="keyword">const</span> T* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> bytes_written = <span class="keyword">sizeof</span>(T) * num;</div> |
| <div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> check_memory_size(bytes_written, capacity);</div> |
| <div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> memcpy(ptr, items, bytes_written);</div> |
| <div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> bytes_written;</div> |
| <div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div> |
| </div> |
| <div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div> |
| <div class="foldopen" id="foldopen00116" data-start="{" data-end="}"> |
| <div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a45678998333722fab5dd1e278ac27ef5"> 116</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a45678998333722fab5dd1e278ac27ef5">deserialize</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> capacity, T* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> bytes_read = <span class="keyword">sizeof</span>(T) * num;</div> |
| <div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> check_memory_size(bytes_read, capacity);</div> |
| <div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> memcpy(items, ptr, bytes_read);</div> |
| <div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">return</span> bytes_read;</div> |
| <div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div> |
| </div> |
| <div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div> |
| <div class="foldopen" id="foldopen00124" data-start="{" data-end="}"> |
| <div class="line"><a id="l00124" name="l00124"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a3291383cf9767a56e84b1a0ef5da178e"> 124</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a3291383cf9767a56e84b1a0ef5da178e">size_of_item</a>(<span class="keyword">const</span> T& item)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> unused(item);</div> |
| <div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(T);</div> |
| <div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div> |
| </div> |
| <div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span>};</div> |
| </div> |
| <div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div> |
| <div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="keyword">template</span><></div> |
| <div class="foldopen" id="foldopen00136" data-start="{" data-end="};"> |
| <div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html"> 136</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structdatasketches_1_1serde.html">serde</a><std::string> {</div> |
| <div class="foldopen" id="foldopen00138" data-start="{" data-end="}"> |
| <div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a0e9b3362722840a638e4e996b1b51948"> 138</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a0e9b3362722840a638e4e996b1b51948">serialize</a>(std::ostream& os, <span class="keyword">const</span> std::string* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordtype">unsigned</span> i = 0;</div> |
| <div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">bool</span> failure = <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">try</span> {</div> |
| <div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">for</span> (; i < num && os.good(); i++) {</div> |
| <div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> uint32_t length = <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(items[i].size());</div> |
| <div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> os.write((<span class="keywordtype">char</span>*)&length, <span class="keyword">sizeof</span>(length));</div> |
| <div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> os.write(items[i].c_str(), length);</div> |
| <div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> }</div> |
| <div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> } <span class="keywordflow">catch</span> (std::ostream::failure&) {</div> |
| <div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> failure = <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> }</div> |
| <div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">if</span> (failure || !os.good()) {</div> |
| <div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"error writing to std::ostream at item "</span> + std::to_string(i));</div> |
| <div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> }</div> |
| <div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div> |
| </div> |
| <div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div> |
| <div class="foldopen" id="foldopen00156" data-start="{" data-end="}"> |
| <div class="line"><a id="l00156" name="l00156"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#acfab5d6bcddfe006bc49457bb76d6b0f"> 156</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#acfab5d6bcddfe006bc49457bb76d6b0f">deserialize</a>(std::istream& is, std::string* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">unsigned</span> i = 0;</div> |
| <div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordtype">bool</span> failure = <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">try</span> {</div> |
| <div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">for</span> (; i < num; i++) {</div> |
| <div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> uint32_t length;</div> |
| <div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> is.read((<span class="keywordtype">char</span>*)&length, <span class="keyword">sizeof</span>(length));</div> |
| <div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">if</span> (!is.good()) { <span class="keywordflow">break</span>; }</div> |
| <div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> std::string str;</div> |
| <div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> str.reserve(length);</div> |
| <div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">for</span> (uint32_t j = 0; j < length; j++) {</div> |
| <div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> str.push_back(<span class="keyword">static_cast<</span><span class="keywordtype">char</span><span class="keyword">></span>(is.get()));</div> |
| <div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div> |
| <div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">if</span> (!is.good()) { <span class="keywordflow">break</span>; }</div> |
| <div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">new</span> (&items[i]) std::string(std::move(str));</div> |
| <div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> }</div> |
| <div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> } <span class="keywordflow">catch</span> (std::istream::failure&) {</div> |
| <div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> failure = <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div> |
| <div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (failure || !is.good()) {</div> |
| <div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// clean up what we've already allocated</span></div> |
| <div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = 0; j < i; ++j) {</div> |
| <div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> items[j].~basic_string();</div> |
| <div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div> |
| <div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"error reading from std::istream at item "</span> + std::to_string(i)); </div> |
| <div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> }</div> |
| <div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> }</div> |
| </div> |
| <div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div> |
| <div class="foldopen" id="foldopen00185" data-start="{" data-end="}"> |
| <div class="line"><a id="l00185" name="l00185"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a136e8b6a69bfded720bfb75d2ac30c37"> 185</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a136e8b6a69bfded720bfb75d2ac30c37">serialize</a>(<span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> capacity, <span class="keyword">const</span> std::string* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordtype">size_t</span> bytes_written = 0;</div> |
| <div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < num; ++i) {</div> |
| <div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">const</span> uint32_t length = <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(items[i].size());</div> |
| <div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> new_bytes = length + <span class="keyword">sizeof</span>(length);</div> |
| <div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> check_memory_size(bytes_written + new_bytes, capacity);</div> |
| <div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> memcpy(ptr, &length, <span class="keyword">sizeof</span>(length));</div> |
| <div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> ptr = <span class="keyword">static_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(ptr) + <span class="keyword">sizeof</span>(uint32_t);</div> |
| <div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> memcpy(ptr, items[i].c_str(), length);</div> |
| <div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> ptr = <span class="keyword">static_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(ptr) + length;</div> |
| <div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> bytes_written += new_bytes;</div> |
| <div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> }</div> |
| <div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> bytes_written;</div> |
| <div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> }</div> |
| </div> |
| <div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div> |
| <div class="foldopen" id="foldopen00201" data-start="{" data-end="}"> |
| <div class="line"><a id="l00201" name="l00201"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a893cbb3cbfbcc87bdf6e4d9ad3fa04ea"> 201</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a893cbb3cbfbcc87bdf6e4d9ad3fa04ea">deserialize</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr, <span class="keywordtype">size_t</span> capacity, std::string* items, <span class="keywordtype">unsigned</span> num)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordtype">size_t</span> bytes_read = 0;</div> |
| <div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordtype">unsigned</span> i = 0;</div> |
| <div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordtype">bool</span> failure = <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">for</span> (; i < num && !failure; ++i) {</div> |
| <div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> uint32_t length;</div> |
| <div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (bytes_read + <span class="keyword">sizeof</span>(length) > capacity) {</div> |
| <div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> bytes_read += <span class="keyword">sizeof</span>(length); <span class="comment">// we'll use this to report the error</span></div> |
| <div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> failure = <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">break</span>;</div> |
| <div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div> |
| <div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> memcpy(&length, ptr, <span class="keyword">sizeof</span>(length));</div> |
| <div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(ptr) + <span class="keyword">sizeof</span>(uint32_t);</div> |
| <div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> bytes_read += <span class="keyword">sizeof</span>(length);</div> |
| <div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> </div> |
| <div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">if</span> (bytes_read + length > capacity) {</div> |
| <div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> bytes_read += length; <span class="comment">// we'll use this to report the error</span></div> |
| <div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> failure = <span class="keyword">true</span>;</div> |
| <div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">break</span>;</div> |
| <div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> }</div> |
| <div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keyword">new</span> (&items[i]) std::string(<span class="keyword">static_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(ptr), length);</div> |
| <div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> ptr = <span class="keyword">static_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(ptr) + length;</div> |
| <div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> bytes_read += length;</div> |
| <div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div> |
| <div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div> |
| <div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">if</span> (failure) {</div> |
| <div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// clean up what we've already allocated</span></div> |
| <div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = 0; j < i; ++j)</div> |
| <div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> items[j].~basic_string();</div> |
| <div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// using this for a consistent error message</span></div> |
| <div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> check_memory_size(bytes_read, capacity);</div> |
| <div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div> |
| <div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div> |
| <div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">return</span> bytes_read;</div> |
| <div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> }</div> |
| </div> |
| <div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div> |
| <div class="foldopen" id="foldopen00238" data-start="{" data-end="}"> |
| <div class="line"><a id="l00238" name="l00238"></a><span class="lineno"><a class="line" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a39e2079ef261b3f811662dae36bb8a62"> 238</a></span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a39e2079ef261b3f811662dae36bb8a62">size_of_item</a>(<span class="keyword">const</span> std::string& item)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(uint32_t) + item.size();</div> |
| <div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> }</div> |
| </div> |
| <div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span>};</div> |
| </div> |
| <div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div> |
| <div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span>} <span class="comment">/* namespace datasketches */</span></div> |
| <div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div> |
| <div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span><span class="preprocessor"># endif</span></div> |
| <div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e_html_a3291383cf9767a56e84b1a0ef5da178e"><div class="ttname"><a href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a3291383cf9767a56e84b1a0ef5da178e">datasketches::serde< T, typename std::enable_if< std::is_arithmetic< T >::value >::type >::size_of_item</a></div><div class="ttdeci">size_t size_of_item(const T &item) const</div><div class="ttdoc">Size of the given item.</div><div class="ttdef"><b>Definition</b> serde.hpp:124</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e_html_a45678998333722fab5dd1e278ac27ef5"><div class="ttname"><a href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a45678998333722fab5dd1e278ac27ef5">datasketches::serde< T, typename std::enable_if< std::is_arithmetic< T >::value >::type >::deserialize</a></div><div class="ttdeci">size_t deserialize(const void *ptr, size_t capacity, T *items, unsigned num) const</div><div class="ttdoc">Raw bytes deserialization.</div><div class="ttdef"><b>Definition</b> serde.hpp:116</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e_html_a6c83e1b2b2ec0c10698a155e60ef2b4c"><div class="ttname"><a href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a6c83e1b2b2ec0c10698a155e60ef2b4c">datasketches::serde< T, typename std::enable_if< std::is_arithmetic< T >::value >::type >::serialize</a></div><div class="ttdeci">void serialize(std::ostream &os, const T *items, unsigned num) const</div><div class="ttdoc">Stream serialization.</div><div class="ttdef"><b>Definition</b> serde.hpp:83</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e_html_a8cf20deb8d752971876e996135c26eaa"><div class="ttname"><a href="structdatasketches_1_1serde_3_01T_00_01typename_01std_1_1enable__if_3_01std_1_1is__arithmetic_3_54408b64e8a7918b8a177594393deb4e.html#a8cf20deb8d752971876e996135c26eaa">datasketches::serde< T, typename std::enable_if< std::is_arithmetic< T >::value >::type >::serialize</a></div><div class="ttdeci">size_t serialize(void *ptr, size_t capacity, const T *items, unsigned num) const</div><div class="ttdoc">Raw bytes serialization.</div><div class="ttdef"><b>Definition</b> serde.hpp:108</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01std_1_1string_01_4_html_a0e9b3362722840a638e4e996b1b51948"><div class="ttname"><a href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a0e9b3362722840a638e4e996b1b51948">datasketches::serde< std::string >::serialize</a></div><div class="ttdeci">void serialize(std::ostream &os, const std::string *items, unsigned num) const</div><div class="ttdoc">Stream serialization.</div><div class="ttdef"><b>Definition</b> serde.hpp:138</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01std_1_1string_01_4_html_a136e8b6a69bfded720bfb75d2ac30c37"><div class="ttname"><a href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a136e8b6a69bfded720bfb75d2ac30c37">datasketches::serde< std::string >::serialize</a></div><div class="ttdeci">size_t serialize(void *ptr, size_t capacity, const std::string *items, unsigned num) const</div><div class="ttdoc">Raw bytes serialization.</div><div class="ttdef"><b>Definition</b> serde.hpp:185</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01std_1_1string_01_4_html_a39e2079ef261b3f811662dae36bb8a62"><div class="ttname"><a href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a39e2079ef261b3f811662dae36bb8a62">datasketches::serde< std::string >::size_of_item</a></div><div class="ttdeci">size_t size_of_item(const std::string &item) const</div><div class="ttdoc">Size of the given item.</div><div class="ttdef"><b>Definition</b> serde.hpp:238</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01std_1_1string_01_4_html_a893cbb3cbfbcc87bdf6e4d9ad3fa04ea"><div class="ttname"><a href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#a893cbb3cbfbcc87bdf6e4d9ad3fa04ea">datasketches::serde< std::string >::deserialize</a></div><div class="ttdeci">size_t deserialize(const void *ptr, size_t capacity, std::string *items, unsigned num) const</div><div class="ttdoc">Raw bytes deserialization.</div><div class="ttdef"><b>Definition</b> serde.hpp:201</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_3_01std_1_1string_01_4_html_acfab5d6bcddfe006bc49457bb76d6b0f"><div class="ttname"><a href="structdatasketches_1_1serde_3_01std_1_1string_01_4.html#acfab5d6bcddfe006bc49457bb76d6b0f">datasketches::serde< std::string >::deserialize</a></div><div class="ttdeci">void deserialize(std::istream &is, std::string *items, unsigned num) const</div><div class="ttdoc">Stream deserialization.</div><div class="ttdef"><b>Definition</b> serde.hpp:156</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_html"><div class="ttname"><a href="structdatasketches_1_1serde.html">datasketches::serde</a></div><div class="ttdoc">Interface for serializing and deserializing items.</div><div class="ttdef"><b>Definition</b> serde.hpp:34</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_html_a3291383cf9767a56e84b1a0ef5da178e"><div class="ttname"><a href="structdatasketches_1_1serde.html#a3291383cf9767a56e84b1a0ef5da178e">datasketches::serde::size_of_item</a></div><div class="ttdeci">size_t size_of_item(const T &item) const</div><div class="ttdoc">Size of the given item.</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_html_a45678998333722fab5dd1e278ac27ef5"><div class="ttname"><a href="structdatasketches_1_1serde.html#a45678998333722fab5dd1e278ac27ef5">datasketches::serde::deserialize</a></div><div class="ttdeci">size_t deserialize(const void *ptr, size_t capacity, T *items, unsigned num) const</div><div class="ttdoc">Raw bytes deserialization.</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_html_a6a54156811a53ef44ac95b507e51c96a"><div class="ttname"><a href="structdatasketches_1_1serde.html#a6a54156811a53ef44ac95b507e51c96a">datasketches::serde::deserialize</a></div><div class="ttdeci">void deserialize(std::istream &is, T *items, unsigned num) const</div><div class="ttdoc">Stream deserialization.</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_html_a6c83e1b2b2ec0c10698a155e60ef2b4c"><div class="ttname"><a href="structdatasketches_1_1serde.html#a6c83e1b2b2ec0c10698a155e60ef2b4c">datasketches::serde::serialize</a></div><div class="ttdeci">void serialize(std::ostream &os, const T *items, unsigned num) const</div><div class="ttdoc">Stream serialization.</div></div> |
| <div class="ttc" id="astructdatasketches_1_1serde_html_a8cf20deb8d752971876e996135c26eaa"><div class="ttname"><a href="structdatasketches_1_1serde.html#a8cf20deb8d752971876e996135c26eaa">datasketches::serde::serialize</a></div><div class="ttdeci">size_t serialize(void *ptr, size_t capacity, const T *items, unsigned num) const</div><div class="ttdoc">Raw bytes serialization.</div></div> |
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