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<div class="title">config.h</div> </div>
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<a href="config_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160; </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#ifndef DMLC_CONFIG_H_</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#define DMLC_CONFIG_H_</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="preprocessor">#include &lt;cstring&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;iterator&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacedmlc.html">dmlc</a> {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classdmlc_1_1Config.html"> 40</a></span>&#160;<span class="keyword">class </span><a class="code" href="classdmlc_1_1Config.html">Config</a> {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classdmlc_1_1Config.html#afc2e054db64f1ece11f3bac84d775d12"> 45</a></span>&#160; <span class="keyword">typedef</span> std::pair&lt;std::string, std::string&gt; <a class="code" href="classdmlc_1_1Config.html#afc2e054db64f1ece11f3bac84d775d12">ConfigEntry</a>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">class </span><a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keyword">explicit</span> <a class="code" href="classdmlc_1_1Config.html#aaf5cc7d0b8147e671693827db4772a3a">Config</a>(<span class="keywordtype">bool</span> multi_value = <span class="keyword">false</span>);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">explicit</span> <a class="code" href="classdmlc_1_1Config.html#aaf5cc7d0b8147e671693827db4772a3a">Config</a>(std::istream&amp; is, <span class="keywordtype">bool</span> multi_value = <span class="keyword">false</span>); <span class="comment">// NOLINT(*)</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1Config.html#a207c8acc2017acc2d3d655863d6edb5f">Clear</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1Config.html#af2b8b9527113ebb371bfc20119d52f98">LoadFromStream</a>(std::istream&amp; is); <span class="comment">// NOLINT(*)</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment"></span> <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1Config.html#aaee438e73aea45b432badb46c328a93a">SetParam</a>(<span class="keyword">const</span> std::string&amp; key, <span class="keyword">const</span> T&amp; value, <span class="keywordtype">bool</span> is_string = <span class="keyword">false</span>);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">const</span> std::string&amp; <a class="code" href="classdmlc_1_1Config.html#a6d02501d01e99cb87b6462041aaa07b7">GetParam</a>(<span class="keyword">const</span> std::string&amp; key) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classdmlc_1_1Config.html#a220891b3a485a68ad185de569e20a517">IsGenuineString</a>(<span class="keyword">const</span> std::string&amp; key) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; std::string <a class="code" href="classdmlc_1_1Config.html#afa8bf1b57515a781eb36106482a8a471">ToProtoString</a>(<span class="keywordtype">void</span>) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a> <a class="code" href="classdmlc_1_1Config.html#ac2067ad6855bbe6992a5f83d1d3ad2f8">begin</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a> <a class="code" href="classdmlc_1_1Config.html#a3c83ca1539a914e39564c9675b6c9ae8">end</a>() <span class="keyword">const</span>;</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; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classdmlc_1_1Config_1_1ConfigIterator.html"> 120</a></span>&#160; <span class="keyword">class </span><a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a> : <span class="keyword">public</span> std::iterator&lt; std::input_iterator_tag, ConfigEntry &gt; {</div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classdmlc_1_1Config_1_1ConfigIterator.html#ac3da7e21a05bf8852638db7e4dd1b81a"> 121</a></span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Config.html">Config</a>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html#aadadec1b2070d1e430aa49775319f375">ConfigIterator</a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a>&amp; other);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a>&amp; <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html#af20f1284874538c4a1abd0ec0e0f96ca">operator++</a>();</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a> <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html#af20f1284874538c4a1abd0ec0e0f96ca">operator++</a>(<span class="keywordtype">int</span>); <span class="comment">// NOLINT(*)</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;<span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html#ab7499012829abcde9a27634f3e85e4f8">operator == </a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a>&amp; rhs) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html#ab470fe8f202f8fcf5fe6f651db05d9ef">operator != </a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html">ConfigIterator</a>&amp; rhs) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <a class="code" href="classdmlc_1_1Config.html#afc2e054db64f1ece11f3bac84d775d12">ConfigEntry</a> <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html#aa05de21d345f9a0a417a8596b51517bb">operator * </a>() <span class="keyword">const</span>;</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; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <a class="code" href="classdmlc_1_1Config_1_1ConfigIterator.html#aadadec1b2070d1e430aa49775319f375">ConfigIterator</a>(<span class="keywordtype">size_t</span> index, <span class="keyword">const</span> <a class="code" href="classdmlc_1_1Config.html">Config</a>* config);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordtype">void</span> FindNextIndex();</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="keyword">private</span>:</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordtype">size_t</span> index_;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keyword">const</span> <a class="code" href="classdmlc_1_1Config.html">Config</a>* config_;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; };</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keyword">struct </span>ConfigValue {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; std::vector&lt;std::string&gt; val;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; std::vector&lt;size_t&gt; insert_index;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordtype">bool</span> is_string;</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; <span class="keywordtype">void</span> Insert(<span class="keyword">const</span> std::string&amp; key, <span class="keyword">const</span> std::string&amp; value, <span class="keywordtype">bool</span> is_string);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; std::map&lt;std::string, ConfigValue&gt; config_map_;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; std::vector&lt;std::pair&lt;std::string, size_t&gt; &gt; order_;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> multi_value_;</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; </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="classdmlc_1_1Config.html#aaee438e73aea45b432badb46c328a93a"> 178</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classdmlc_1_1Config.html#aaee438e73aea45b432badb46c328a93a">Config::SetParam</a>(<span class="keyword">const</span> std::string&amp; key, <span class="keyword">const</span> T&amp; value, <span class="keywordtype">bool</span> is_string) {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; std::ostringstream oss;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; oss &lt;&lt; value;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; Insert(key, oss.str(), is_string);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;}</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;} <span class="comment">// namespace dmlc</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;<span class="preprocessor">#endif // DMLC_CONFIG_H_</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassdmlc_1_1Config_1_1ConfigIterator_html_ab470fe8f202f8fcf5fe6f651db05d9ef"><div class="ttname"><a href="classdmlc_1_1Config_1_1ConfigIterator.html#ab470fe8f202f8fcf5fe6f651db05d9ef">dmlc::Config::ConfigIterator::operator!=</a></div><div class="ttdeci">bool operator!=(const ConfigIterator &amp;rhs) const</div><div class="ttdoc">compare operators not equal</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_a6d02501d01e99cb87b6462041aaa07b7"><div class="ttname"><a href="classdmlc_1_1Config.html#a6d02501d01e99cb87b6462041aaa07b7">dmlc::Config::GetParam</a></div><div class="ttdeci">const std::string &amp; GetParam(const std::string &amp;key) const</div><div class="ttdoc">get the config under the key; if multiple values exist for the same key, return the last inserted one...</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_afa8bf1b57515a781eb36106482a8a471"><div class="ttname"><a href="classdmlc_1_1Config.html#afa8bf1b57515a781eb36106482a8a471">dmlc::Config::ToProtoString</a></div><div class="ttdeci">std::string ToProtoString(void) const</div><div class="ttdoc">transform all the configuration into string recognizable to protobuf</div></div>
<div class="ttc" id="anamespacedmlc_html"><div class="ttname"><a href="namespacedmlc.html">dmlc</a></div><div class="ttdoc">namespace for dmlc</div><div class="ttdef"><b>Definition:</b> array_view.h:12</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_1_1ConfigIterator_html_af20f1284874538c4a1abd0ec0e0f96ca"><div class="ttname"><a href="classdmlc_1_1Config_1_1ConfigIterator.html#af20f1284874538c4a1abd0ec0e0f96ca">dmlc::Config::ConfigIterator::operator++</a></div><div class="ttdeci">ConfigIterator &amp; operator++()</div><div class="ttdoc">uni-increment operators</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_a3c83ca1539a914e39564c9675b6c9ae8"><div class="ttname"><a href="classdmlc_1_1Config.html#a3c83ca1539a914e39564c9675b6c9ae8">dmlc::Config::end</a></div><div class="ttdeci">ConfigIterator end() const</div><div class="ttdoc">get end iterator</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_a220891b3a485a68ad185de569e20a517"><div class="ttname"><a href="classdmlc_1_1Config.html#a220891b3a485a68ad185de569e20a517">dmlc::Config::IsGenuineString</a></div><div class="ttdeci">bool IsGenuineString(const std::string &amp;key) const</div><div class="ttdoc">check whether the configure value given by the key should be wrapped by quotes</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html"><div class="ttname"><a href="classdmlc_1_1Config.html">dmlc::Config</a></div><div class="ttdoc">class for config parser</div><div class="ttdef"><b>Definition:</b> config.h:40</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_1_1ConfigIterator_html_ab7499012829abcde9a27634f3e85e4f8"><div class="ttname"><a href="classdmlc_1_1Config_1_1ConfigIterator.html#ab7499012829abcde9a27634f3e85e4f8">dmlc::Config::ConfigIterator::operator==</a></div><div class="ttdeci">bool operator==(const ConfigIterator &amp;rhs) const</div><div class="ttdoc">compare operators</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_af2b8b9527113ebb371bfc20119d52f98"><div class="ttname"><a href="classdmlc_1_1Config.html#af2b8b9527113ebb371bfc20119d52f98">dmlc::Config::LoadFromStream</a></div><div class="ttdeci">void LoadFromStream(std::istream &amp;is)</div><div class="ttdoc">load the contents from the stream</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_1_1ConfigIterator_html_aadadec1b2070d1e430aa49775319f375"><div class="ttname"><a href="classdmlc_1_1Config_1_1ConfigIterator.html#aadadec1b2070d1e430aa49775319f375">dmlc::Config::ConfigIterator::ConfigIterator</a></div><div class="ttdeci">ConfigIterator(const ConfigIterator &amp;other)</div><div class="ttdoc">copy constructor</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_1_1ConfigIterator_html_aa05de21d345f9a0a417a8596b51517bb"><div class="ttname"><a href="classdmlc_1_1Config_1_1ConfigIterator.html#aa05de21d345f9a0a417a8596b51517bb">dmlc::Config::ConfigIterator::operator*</a></div><div class="ttdeci">ConfigEntry operator*() const</div><div class="ttdoc">retrieve value from operator</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_1_1ConfigIterator_html"><div class="ttname"><a href="classdmlc_1_1Config_1_1ConfigIterator.html">dmlc::Config::ConfigIterator</a></div><div class="ttdoc">iterator class</div><div class="ttdef"><b>Definition:</b> config.h:120</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_aaf5cc7d0b8147e671693827db4772a3a"><div class="ttname"><a href="classdmlc_1_1Config.html#aaf5cc7d0b8147e671693827db4772a3a">dmlc::Config::Config</a></div><div class="ttdeci">Config(bool multi_value=false)</div><div class="ttdoc">create empty config</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_a207c8acc2017acc2d3d655863d6edb5f"><div class="ttname"><a href="classdmlc_1_1Config.html#a207c8acc2017acc2d3d655863d6edb5f">dmlc::Config::Clear</a></div><div class="ttdeci">void Clear(void)</div><div class="ttdoc">clear all the values</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_ac2067ad6855bbe6992a5f83d1d3ad2f8"><div class="ttname"><a href="classdmlc_1_1Config.html#ac2067ad6855bbe6992a5f83d1d3ad2f8">dmlc::Config::begin</a></div><div class="ttdeci">ConfigIterator begin() const</div><div class="ttdoc">get begin iterator</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_aaee438e73aea45b432badb46c328a93a"><div class="ttname"><a href="classdmlc_1_1Config.html#aaee438e73aea45b432badb46c328a93a">dmlc::Config::SetParam</a></div><div class="ttdeci">void SetParam(const std::string &amp;key, const T &amp;value, bool is_string=false)</div><div class="ttdoc">set a key-value pair into the config; if the key already exists in the configure file,...</div><div class="ttdef"><b>Definition:</b> config.h:178</div></div>
<div class="ttc" id="aclassdmlc_1_1Config_html_afc2e054db64f1ece11f3bac84d775d12"><div class="ttname"><a href="classdmlc_1_1Config.html#afc2e054db64f1ece11f3bac84d775d12">dmlc::Config::ConfigEntry</a></div><div class="ttdeci">std::pair&lt; std::string, std::string &gt; ConfigEntry</div><div class="ttdoc">type when extracting from iterator</div><div class="ttdef"><b>Definition:</b> config.h:45</div></div>
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