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<div id="projectname">simdjson
&#160;<span id="projectnumber">3.6.2</span>
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<div id="projectbrief">Ridiculously Fast JSON</div>
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<div class="title">implementation.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef SIMDJSON_IMPLEMENTATION_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define SIMDJSON_IMPLEMENTATION_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160; </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="preprocessor">#include &quot;simdjson/internal/atomic_ptr.h&quot;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &quot;simdjson/internal/dom_parser_implementation.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacesimdjson.html">simdjson</a> {</div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="namespacesimdjson.html#a53546f3af0ed6840ffbeefcbefd305a1"> 18</a></span>&#160;simdjson_warn_unused <span class="keywordtype">bool</span> <a class="code" href="namespacesimdjson.html#a53546f3af0ed6840ffbeefcbefd305a1">validate_utf8</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * buf, <span class="keywordtype">size_t</span> len) noexcept;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="namespacesimdjson.html#a28a847c4b31fc804bec2987b171dbd07"> 25</a></span>&#160;simdjson_inline simdjson_warn_unused <span class="keywordtype">bool</span> <a class="code" href="namespacesimdjson.html#a53546f3af0ed6840ffbeefcbefd305a1">validate_utf8</a>(<span class="keyword">const</span> std::string_view sv) noexcept {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacesimdjson.html#a53546f3af0ed6840ffbeefcbefd305a1">validate_utf8</a>(sv.data(), sv.size());</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;}</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacesimdjson.html#a04edabca6d128b8b31592e1e2e331ae0"> 35</a></span>&#160;simdjson_inline simdjson_warn_unused <span class="keywordtype">bool</span> <a class="code" href="namespacesimdjson.html#a53546f3af0ed6840ffbeefcbefd305a1">validate_utf8</a>(<span class="keyword">const</span> std::string&amp; s) noexcept {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacesimdjson.html#a53546f3af0ed6840ffbeefcbefd305a1">validate_utf8</a>(s.data(), s.size());</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;}</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classsimdjson_1_1implementation.html"> 45</a></span>&#160;<span class="keyword">class </span><a class="code" href="classsimdjson_1_1implementation.html">implementation</a> {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classsimdjson_1_1implementation.html#a404c32ec6187ac0fb5b2ec6b5aea4abd"> 56</a></span>&#160; <span class="keyword">virtual</span> <span class="keyword">const</span> std::string &amp;<a class="code" href="classsimdjson_1_1implementation.html#a404c32ec6187ac0fb5b2ec6b5aea4abd">name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _name; }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classsimdjson_1_1implementation.html#a4f41daefefc573e20fccd591b158e063"> 66</a></span>&#160; <span class="keyword">virtual</span> <span class="keyword">const</span> std::string &amp;<a class="code" href="classsimdjson_1_1implementation.html#a4f41daefefc573e20fccd591b158e063">description</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _description; }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classsimdjson_1_1implementation.html#adf77c9bc0869eff8fd46e942c4532135"> 75</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classsimdjson_1_1implementation.html#adf77c9bc0869eff8fd46e942c4532135">supported_by_runtime_system</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">virtual</span> uint32_t required_instruction_sets()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _required_instruction_sets; }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">virtual</span> <a class="code" href="namespacesimdjson.html#a7b735a3a50ba79e3f7f14df5f77d8da9">error_code</a> create_dom_parser_implementation(</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">size_t</span> capacity,</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordtype">size_t</span> max_depth,</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; std::unique_ptr&lt;internal::dom_parser_implementation&gt; &amp;dst</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; ) <span class="keyword">const</span> noexcept = 0;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; simdjson_warn_unused <span class="keyword">virtual</span> <a class="code" href="namespacesimdjson.html#a7b735a3a50ba79e3f7f14df5f77d8da9">error_code</a> minify(<span class="keyword">const</span> uint8_t *buf, <span class="keywordtype">size_t</span> len, uint8_t *dst, <span class="keywordtype">size_t</span> &amp;dst_len) <span class="keyword">const</span> noexcept = 0;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classsimdjson_1_1implementation.html#aa3a7b818d56a54cca272191ec176f8f1"> 128</a></span>&#160; simdjson_warn_unused <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classsimdjson_1_1implementation.html#aa3a7b818d56a54cca272191ec176f8f1">validate_utf8</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> len) <span class="keyword">const</span> noexcept = 0;</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">protected</span>:</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; simdjson_inline <a class="code" href="classsimdjson_1_1implementation.html">implementation</a>(</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; std::string_view <a class="code" href="classsimdjson_1_1implementation.html#a404c32ec6187ac0fb5b2ec6b5aea4abd">name</a>,</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; std::string_view <a class="code" href="classsimdjson_1_1implementation.html#a4f41daefefc573e20fccd591b158e063">description</a>,</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; uint32_t required_instruction_sets</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; ) :</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; _name(<a class="code" href="classsimdjson_1_1implementation.html#a404c32ec6187ac0fb5b2ec6b5aea4abd">name</a>),</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; _description(<a class="code" href="classsimdjson_1_1implementation.html#a4f41daefefc573e20fccd591b158e063">description</a>),</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; _required_instruction_sets(required_instruction_sets)</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; }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keyword">virtual</span> ~<a class="code" href="classsimdjson_1_1implementation.html">implementation</a>()=<span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">const</span> std::string _name;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keyword">const</span> std::string _description;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keyword">const</span> uint32_t _required_instruction_sets;</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; </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="keyword">class </span>available_implementation_list {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; simdjson_inline available_implementation_list() {}</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordtype">size_t</span> size() const noexcept;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; const implementation * const *begin() const noexcept;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; const implementation * const *end() const noexcept;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; const implementation * operator[](const std::string_view &amp;name) const noexcept {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> implementation * impl : *<span class="keyword">this</span>) {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordflow">if</span> (impl-&gt;name() == name) { <span class="keywordflow">return</span> impl; }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; }</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</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; </div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keyword">const</span> implementation *detect_best_supported() const noexcept;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;};</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="comment">// namespace internal</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; </div>
<div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="namespacesimdjson.html#a7e4483a8ae684fdb5b2f1e7d4a8acc69"> 218</a></span>&#160;extern SIMDJSON_DLLIMPORTEXPORT const internal::available_implementation_list&amp; <a class="code" href="namespacesimdjson.html#a7e4483a8ae684fdb5b2f1e7d4a8acc69">get_available_implementations</a>();</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; </div>
<div class="line"><a name="l00225"></a><span class="lineno"><a class="line" href="namespacesimdjson.html#abd8b8fd009878125822fca9a2624f6a6"> 225</a></span>&#160;extern SIMDJSON_DLLIMPORTEXPORT internal::atomic_ptr&lt;const <a class="code" href="classsimdjson_1_1implementation.html">implementation</a>&gt;&amp; <a class="code" href="namespacesimdjson.html#abd8b8fd009878125822fca9a2624f6a6">get_active_implementation</a>();</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="comment">// namespace simdjson</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// SIMDJSON_IMPLEMENTATION_H</span></div>
<div class="ttc" id="aclasssimdjson_1_1implementation_html"><div class="ttname"><a href="classsimdjson_1_1implementation.html">simdjson::implementation</a></div><div class="ttdoc">An implementation of simdjson for a particular CPU architecture.</div><div class="ttdef"><b>Definition:</b> <a href="implementation_8h_source.html#l00045">implementation.h:45</a></div></div>
<div class="ttc" id="aclasssimdjson_1_1implementation_html_a404c32ec6187ac0fb5b2ec6b5aea4abd"><div class="ttname"><a href="classsimdjson_1_1implementation.html#a404c32ec6187ac0fb5b2ec6b5aea4abd">simdjson::implementation::name</a></div><div class="ttdeci">virtual const std::string &amp; name() const</div><div class="ttdoc">The name of this implementation.</div><div class="ttdef"><b>Definition:</b> <a href="implementation_8h_source.html#l00056">implementation.h:56</a></div></div>
<div class="ttc" id="aclasssimdjson_1_1implementation_html_a4f41daefefc573e20fccd591b158e063"><div class="ttname"><a href="classsimdjson_1_1implementation.html#a4f41daefefc573e20fccd591b158e063">simdjson::implementation::description</a></div><div class="ttdeci">virtual const std::string &amp; description() const</div><div class="ttdoc">The description of this implementation.</div><div class="ttdef"><b>Definition:</b> <a href="implementation_8h_source.html#l00066">implementation.h:66</a></div></div>
<div class="ttc" id="aclasssimdjson_1_1implementation_html_aa3a7b818d56a54cca272191ec176f8f1"><div class="ttname"><a href="classsimdjson_1_1implementation.html#aa3a7b818d56a54cca272191ec176f8f1">simdjson::implementation::validate_utf8</a></div><div class="ttdeci">virtual simdjson_warn_unused bool validate_utf8(const char *buf, size_t len) const noexcept=0</div><div class="ttdoc">Validate the UTF-8 string.</div></div>
<div class="ttc" id="aclasssimdjson_1_1implementation_html_adf77c9bc0869eff8fd46e942c4532135"><div class="ttname"><a href="classsimdjson_1_1implementation.html#adf77c9bc0869eff8fd46e942c4532135">simdjson::implementation::supported_by_runtime_system</a></div><div class="ttdeci">bool supported_by_runtime_system() const</div><div class="ttdoc">The instruction sets this implementation is compiled against and the current CPU match.</div></div>
<div class="ttc" id="anamespacesimdjson_html"><div class="ttname"><a href="namespacesimdjson.html">simdjson</a></div><div class="ttdoc">The top level simdjson namespace, containing everything the library provides.</div><div class="ttdef"><b>Definition:</b> <a href="arm64_2base_8h_source.html#l00008">base.h:8</a></div></div>
<div class="ttc" id="anamespacesimdjson_html_a53546f3af0ed6840ffbeefcbefd305a1"><div class="ttname"><a href="namespacesimdjson.html#a53546f3af0ed6840ffbeefcbefd305a1">simdjson::validate_utf8</a></div><div class="ttdeci">simdjson_warn_unused bool validate_utf8(const char *buf, size_t len) noexcept</div><div class="ttdoc">Validate the UTF-8 string.</div></div>
<div class="ttc" id="anamespacesimdjson_html_a7b735a3a50ba79e3f7f14df5f77d8da9"><div class="ttname"><a href="namespacesimdjson.html#a7b735a3a50ba79e3f7f14df5f77d8da9">simdjson::error_code</a></div><div class="ttdeci">error_code</div><div class="ttdoc">All possible errors returned by simdjson.</div><div class="ttdef"><b>Definition:</b> <a href="error_8h_source.html#l00019">error.h:19</a></div></div>
<div class="ttc" id="anamespacesimdjson_html_a7e4483a8ae684fdb5b2f1e7d4a8acc69"><div class="ttname"><a href="namespacesimdjson.html#a7e4483a8ae684fdb5b2f1e7d4a8acc69">simdjson::get_available_implementations</a></div><div class="ttdeci">SIMDJSON_DLLIMPORTEXPORT const internal::available_implementation_list &amp; get_available_implementations()</div><div class="ttdoc">The list of available implementations compiled into simdjson.</div></div>
<div class="ttc" id="anamespacesimdjson_html_abd8b8fd009878125822fca9a2624f6a6"><div class="ttname"><a href="namespacesimdjson.html#abd8b8fd009878125822fca9a2624f6a6">simdjson::get_active_implementation</a></div><div class="ttdeci">SIMDJSON_DLLIMPORTEXPORT internal::atomic_ptr&lt; const implementation &gt; &amp; get_active_implementation()</div><div class="ttdoc">The active implementation.</div></div>
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