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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * CRFsuite C++/SWIG API wrapper.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (c) 2007-2010, Naoaki Okazaki</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Copyright (c) 2019, Modified by Chatopera Inc.</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * All rights reserved.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * modification, are permitted provided that the following conditions are met:</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * * Redistributions of source code must retain the above copyright</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * notice, this list of conditions and the following disclaimer.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * * Redistributions in binary form must reproduce the above copyright</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * documentation and/or other materials provided with the distribution.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * * Neither the names of the authors nor the names of its contributors</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * may be used to endorse or promote products derived from this</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * software without specific prior written permission.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> */</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifndef __CHATOPERA_BOT_CRFSUITE_HPP__</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#define __CHATOPERA_BOT_CRFSUITE_HPP__</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <cmath></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <stdexcept></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <iostream></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <sstream></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <fstream></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <crfsuite.h></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "iwa.h"</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "crfsuite_api.hpp"</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "glog/logging.h"</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">namespace </span><a class="code" href="namespacechatopera.html">chatopera</a> {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">namespace </span>bot {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">namespace </span>crfsuite {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#a47e0b9d2f99b9745c34815493c5bc0c0"> 56</a></span> Trainer::Trainer() {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  data = <span class="keyword">new</span> crfsuite_data_t;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (data != NULL) {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  crfsuite_data_init(data);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  tr = NULL;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#aad702690d74bca0e38ef4a4e8f392810"> 66</a></span> Trainer::~Trainer() {</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (data != NULL) {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  clear();</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">delete</span> data;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  data = NULL;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (tr != NULL) {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  tr->release(tr);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  tr = NULL;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#a11e2975f51e34d4d0058a84a40459978"> 79</a></span> <span class="keywordtype">void</span> Trainer::init() {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// Create an instance of attribute dictionary.</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (data->attrs == NULL) {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span> ret = crfsuite_create_instance(<span class="stringliteral">"dictionary"</span>, (<span class="keywordtype">void</span>**)&data->attrs);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (!ret) {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to create a dictionary instance for attributes."</span>);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// Create an instance of label dictionary.</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (data->labels == NULL) {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> ret = crfsuite_create_instance(<span class="stringliteral">"dictionary"</span>, (<span class="keywordtype">void</span>**)&data->labels);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (!ret) {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to create a dictionary instance for labels."</span>);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#ad12cec6ca40c552981cd877d3ed53c4c"> 99</a></span> <span class="keywordtype">void</span> Trainer::clear() {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (data != NULL) {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (data->labels != NULL) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  data->labels->release(data->labels);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  data->labels = NULL;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (data->attrs != NULL) {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  data->attrs->release(data->attrs);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  data->attrs = NULL;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  crfsuite_data_finish(data);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  crfsuite_data_init(data);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#a83647ff7fa0e30c64c04bb1e56a0529f"> 116</a></span> <span class="keywordtype">void</span> Trainer::append(<span class="keyword">const</span> <a class="code" href="group__crfsuite__hpp__api__doc.html#ga34f58d96010025b06e985a6710fbfd05">ItemSequence</a>& xseq, <span class="keyword">const</span> <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a>& yseq, <span class="keywordtype">int</span> group) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Create dictionary objects if necessary.</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (data->attrs == NULL || data->labels == NULL) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  init();</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Make sure |y| == |x|.</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (xseq.size() != yseq.size()) {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::stringstream ss;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ss << <span class="stringliteral">"The numbers of items and labels differ: |x| = "</span> << xseq.size() << <span class="stringliteral">", |y| = "</span> << yseq.size();</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">throw</span> std::invalid_argument(ss.str());</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// Convert instance_type to crfsuite_instance_t.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  crfsuite_instance_t _inst;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  crfsuite_instance_init_n(&_inst, xseq.size());</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> t = 0; t < xseq.size(); ++t) {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">const</span> <a class="code" href="group__crfsuite__hpp__api__doc.html#ga1e1aaf17a4b48230ffae9abd505ab4d0">Item</a>& item = xseq[t];</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  crfsuite_item_t* _item = &_inst.items[t];</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Set the attributes in the item.</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  crfsuite_item_init_n(_item, item.size());</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < item.size(); ++i) {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  _item->contents[i].aid = data->attrs->get(data->attrs, item[i].attr.c_str());</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  _item->contents[i].value = (floatval_t)item[i].value;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// Set the label of the item.</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  _inst.labels[t] = data->labels->get(data->labels, yseq[t].c_str());</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  _inst.group = group;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// Append the instance to the training set.</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  crfsuite_data_append(data, &_inst);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// Finish the instance.</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  crfsuite_instance_finish(&_inst);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#a56b387aafec11fd9239391784136abda"> 158</a></span> <span class="keywordtype">bool</span> Trainer::select(<span class="keyword">const</span> std::string& algorithm, <span class="keyword">const</span> std::string& type) {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// Release the trainer if it is already initialized.</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (tr != NULL) {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  tr->release(tr);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  tr = NULL;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// Build the trainer string ID.</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  std::string tid = <span class="stringliteral">"train/"</span>;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  tid += type;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  tid += <span class="charliteral">'/'</span>;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  tid += algorithm;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// Create an instance of a trainer.</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  ret = crfsuite_create_instance(tid.c_str(), (<span class="keywordtype">void</span>**)&tr);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (!ret) {</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Set the callback function for receiving messages.</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  tr->set_message_callback(tr, <span class="keyword">this</span>, __logging_callback);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> }</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div><div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#a792e40b315cc6526a9d951dd9e55e5ee"> 189</a></span> crfsuite_data_t* Trainer::pdata() {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> data;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> _read_data(FILE *fpi, crfsuite_data_t* data, <span class="keywordtype">int</span> group) {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">int</span> n = 0;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">int</span> lid = -1;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  crfsuite_instance_t inst;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  crfsuite_item_t item;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  crfsuite_attribute_t cont;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="structtag__iwa.html">iwa_t</a>* iwa = NULL;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  crfsuite_dictionary_t *attrs = data->attrs;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  crfsuite_dictionary_t *labels = data->labels;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">const</span> <a class="code" href="structtag__iwa__token.html">iwa_token_t</a> *token = NULL;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">long</span> filesize = 0, begin = 0, offset = 0;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">int</span> prev = 0, current = 0;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">/* Initialize the instance.*/</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  crfsuite_instance_init(&inst);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  inst.group = group;</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">/* Obtain the file size. */</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  begin = ftell(fpi);</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  fseek(fpi, 0, SEEK_END);</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  filesize = ftell(fpi) - begin;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  fseek(fpi, begin, SEEK_SET);</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  prev = 0;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  iwa = iwa_reader(fpi);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">while</span> (token = iwa_read(iwa), token != NULL) {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">/* Progress report. */</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  offset = ftell(fpi);</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  current = (int)((offset - begin) * 100.0 / (double)filesize);</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">switch</span> (token->type) {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">case</span> IWA_BOI:</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">/* Initialize an item. */</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  lid = -1;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  crfsuite_item_init(&item);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">case</span> IWA_EOI:</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">/* Append the item to the instance. */</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (0 <= lid) {</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  crfsuite_instance_append(&inst, &item, lid);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  crfsuite_item_finish(&item);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">case</span> IWA_ITEM:</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (lid == -1) {</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  lid = labels->get(labels, token->attr);</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  crfsuite_attribute_init(&cont);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  cont.aid = attrs->get(attrs, token->attr);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (token->value && *token->value) {</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  cont.value = atof(token->value);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  cont.value = 1.0;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  crfsuite_item_append_attribute(&item, &cont);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">case</span> IWA_NONE:</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">case</span> IWA_EOF:</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">/* Put the training instance. */</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  crfsuite_data_append(data, &inst);</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  crfsuite_instance_finish(&inst);</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  inst.group = group;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  ++n;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> n;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div><div class="line"><a name="l00280"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#a8b95b93e0f76623f8d3c8cd9ab414871"> 280</a></span> <span class="keywordtype">bool</span> Trainer::read_data(<span class="keyword">const</span> <span class="keywordtype">string</span>& filepath, <span class="keywordtype">int</span> group) {</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  VLOG(3) << <span class="stringliteral">"read_data: file path "</span> << filepath << <span class="stringliteral">", group "</span> << group;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  FILE *fp = fopen(filepath.c_str(), <span class="stringliteral">"r"</span>);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">int</span> n = _read_data(fp, data, group);</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  fclose(fp);</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">return</span> n > 0;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#aeaacda20768776e7f99f8a672b6123b3"> 288</a></span> <span class="keywordtype">int</span> Trainer::train(<span class="keyword">const</span> std::string& model, <span class="keywordtype">int</span> holdout) {</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// Run the training algorithm.</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  ret = tr->train(tr, data, model.c_str(), holdout);</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#ad64da31f7d1893927085a90809ad69e0"> 297</a></span> <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> Trainer::params() {</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> pars;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  crfsuite_params_t* params = tr->params(tr);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordtype">int</span> n = params->num(params);</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i) {</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordtype">char</span> *name = NULL;</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  params->name(params, i, &name);</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  pars.push_back(name);</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  params->free(params, name);</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> </div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span> pars;</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> }</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div><div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#ac4e2cdffbfb268c2a320c0099f91494a"> 312</a></span> <span class="keywordtype">void</span> Trainer::set(<span class="keyword">const</span> std::string& name, <span class="keyword">const</span> std::string& value) {</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  crfsuite_params_t* params = tr->params(tr);</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> </div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (params->set(params, name.c_str(), value.c_str()) != 0) {</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  std::stringstream ss;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  ss << <span class="stringliteral">"Parameter not found: "</span> << name << <span class="stringliteral">" = "</span> << value;</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  params->release(params);</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">throw</span> std::invalid_argument(ss.str());</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  params->release(params);</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div><div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#a74ba4064ce086a43070e0a96147e111d"> 325</a></span> std::string Trainer::get(<span class="keyword">const</span> std::string& name) {</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  std::string value;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordtype">char</span> *_value = NULL;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  crfsuite_params_t* params = tr->params(tr);</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">if</span> (params->get(params, name.c_str(), &_value) != 0) {</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  std::stringstream ss;</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  ss << <span class="stringliteral">"Parameter not found: "</span> << name << <span class="stringliteral">" = "</span> << value;</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  params->release(params);</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">throw</span> std::invalid_argument(ss.str());</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  value = _value;</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  params->free(params, _value);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  params->release(params);</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#ab60d99375d698c0db0aea5ec4d57cb00"> 343</a></span> std::string Trainer::help(<span class="keyword">const</span> std::string& name) {</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  std::string str;</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  crfsuite_params_t* params = tr->params(tr);</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">char</span> *_str = NULL;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  params->help(params, name.c_str(), NULL, &_str);</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  str = _str;</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  params->free(params, _str);</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  params->release(params);</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">return</span> str;</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> }</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> </div><div class="line"><a name="l00354"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html#aacae96619f05e4a497c995df5805d50a"> 354</a></span> <span class="keywordtype">void</span> Trainer::message(<span class="keyword">const</span> std::string& msg) {</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  VLOG(3) << <span class="stringliteral">"[trainer] traning log: "</span> << msg;</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> }</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="keywordtype">int</span> Trainer::__logging_callback(<span class="keywordtype">void</span> *instance, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, va_list args) {</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordtype">char</span> buffer[65536];</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  vsnprintf(buffer, <span class="keyword">sizeof</span>(buffer) - 1, format, args);</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">reinterpret_cast<</span><a class="code" href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html">Trainer</a>*<span class="keyword">></span>(instance)->message(buffer);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> }</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div><div class="line"><a name="l00367"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#a6b6fde3ec86916b6b027d965ad18e0dd"> 367</a></span> Tagger::Tagger() {</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  model = NULL;</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  tagger = NULL;</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> }</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div><div class="line"><a name="l00372"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#aee52a1706b27d23279e613c63569aca1"> 372</a></span> Tagger::~Tagger() {</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  this->close();</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> }</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div><div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#a2ceb2bff257971168111e11eaaccecec"> 376</a></span> <span class="keywordtype">bool</span> Tagger::open(<span class="keyword">const</span> std::string& name) {</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// Close the model if it is already opened.</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  this->close();</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">// Open the model file.</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">if</span> ((ret = crfsuite_create_instance_from_file(name.c_str(), (<span class="keywordtype">void</span>**)&model))) {</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// Obtain the tagger interface.</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> ((ret = model->get_tagger(model, &tagger))) {</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to obtain the tagger interface"</span>);</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> }</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div><div class="line"><a name="l00395"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#a579c145c5d81f1ee0f5d5deb67c36a2c"> 395</a></span> <span class="keywordtype">void</span> Tagger::close() {</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (tagger != NULL) {</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  tagger->release(tagger);</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  tagger = NULL;</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span> </div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">if</span> (model != NULL) {</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  model->release(model);</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  model = NULL;</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> }</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div><div class="line"><a name="l00407"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#afc420fb3da21e8a3f9775125f902e0ca"> 407</a></span> <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> Tagger::labels() {</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> lseq;</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  crfsuite_dictionary_t *labels = NULL;</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> </div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span> (model == NULL) {</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"The tagger is not opened"</span>);</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> </div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// Obtain the dictionary interface representing the labels in the model.</span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> ((ret = model->get_labels(model, &labels))) {</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to obtain the dictionary interface for labels"</span>);</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// Collect all label strings to lseq.</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < labels->num(labels); ++i) {</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *label = NULL;</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (labels->to_string(labels, i, &label) != 0) {</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  labels->release(labels);</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to convert a label identifier to string."</span>);</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  lseq.push_back(label);</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  labels->free(labels, label);</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> </div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  labels->release(labels);</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> lseq;</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> }</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span> </div><div class="line"><a name="l00438"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#a0808b117ae2ce996d4eefd218f21f1b5"> 438</a></span> <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> Tagger::tag(<span class="keyword">const</span> <a class="code" href="group__crfsuite__hpp__api__doc.html#ga34f58d96010025b06e985a6710fbfd05">ItemSequence</a>& xseq) {</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keyword">set</span>(xseq);</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">return</span> viterbi();</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> }</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div><div class="line"><a name="l00443"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#a71aa12dd4d3a24b699bc19f7f213eeea"> 443</a></span> <span class="keywordtype">void</span> Tagger::set(<span class="keyword">const</span> <a class="code" href="group__crfsuite__hpp__api__doc.html#ga34f58d96010025b06e985a6710fbfd05">ItemSequence</a>& xseq) {</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> yseq;</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  crfsuite_instance_t _inst;</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  crfsuite_dictionary_t *attrs = NULL;</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">if</span> (model == NULL || tagger == NULL) {</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"The tagger is not opened"</span>);</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span> </div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="comment">// Obtain the dictionary interface representing the attributes in the model.</span></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">if</span> ((ret = model->get_attrs(model, &attrs))) {</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to obtain the dictionary interface for attributes"</span>);</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="comment">// Build an instance.</span></div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  crfsuite_instance_init_n(&_inst, xseq.size());</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> </div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> t = 0; t < xseq.size(); ++t) {</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keyword">const</span> <a class="code" href="group__crfsuite__hpp__api__doc.html#ga1e1aaf17a4b48230ffae9abd505ab4d0">Item</a>& item = xseq[t];</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  crfsuite_item_t* _item = &_inst.items[t];</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="comment">// Set the attributes in the item.</span></div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  crfsuite_item_init(_item);</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < item.size(); ++i) {</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordtype">int</span> aid = attrs->to_id(attrs, item[i].attr.c_str());</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> </div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">if</span> (0 <= aid) {</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  crfsuite_attribute_t cont;</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  crfsuite_attribute_set(&cont, aid, item[i].value);</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  crfsuite_item_append_attribute(_item, &cont);</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> </div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">// Set the instance to the tagger.</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">if</span> ((ret = tagger->set(tagger, &_inst))) {</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  crfsuite_instance_finish(&_inst);</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  attrs->release(attrs);</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to set the instance to the tagger."</span>);</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  }</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  crfsuite_instance_finish(&_inst);</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  attrs->release(attrs);</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> }</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div><div class="line"><a name="l00490"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#a9b40c2d70524d08b3444b73a1e4a4dcf"> 490</a></span> <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> Tagger::viterbi() {</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a> yseq;</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  crfsuite_dictionary_t *labels = NULL;</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> </div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">if</span> (model == NULL || tagger == NULL) {</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"The tagger is not opened"</span>);</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">// Make sure that the current instance is not empty.</span></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> T = (size_t)tagger->length(tagger);</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> </div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">if</span> (T <= 0) {</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">return</span> yseq;</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> </div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">// Obtain the dictionary interface representing the labels in the model.</span></div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> ((ret = model->get_labels(model, &labels))) {</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to obtain the dictionary interface for labels"</span>);</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span> </div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="comment">// Run the Viterbi algorithm.</span></div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  floatval_t score;</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordtype">int</span> *path = <span class="keyword">new</span> <span class="keywordtype">int</span>[T];</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span> </div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span> ((ret = tagger->viterbi(tagger, path, &score))) {</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">delete</span>[] path;</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  labels->release(labels);</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to find the Viterbi path."</span>);</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  }</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">// Convert the Viterbi path to a label sequence.</span></div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  yseq.resize(T);</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> </div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> t = 0; t < T; ++t) {</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *label = NULL;</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span> </div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">if</span> (labels->to_string(labels, path[t], &label) != 0) {</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keyword">delete</span>[] path;</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  labels->release(labels);</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to convert a label identifier to string."</span>);</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  }</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span> </div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  yseq[t] = label;</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  labels->free(labels, label);</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  }</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  labels->release(labels);</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">return</span> yseq;</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span> }</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> </div><div class="line"><a name="l00541"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#a7913f77adca5f0bc4baf4e9074d2227b"> 541</a></span> <span class="keywordtype">double</span> Tagger::probability(<span class="keyword">const</span> <a class="code" href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">StringList</a>& yseq) {</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordtype">size_t</span> T;</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordtype">int</span> *path = NULL;</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  std::stringstream msg;</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  floatval_t score, lognorm;</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  crfsuite_dictionary_t *labels = NULL;</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span> </div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">if</span> (model == NULL || tagger == NULL) {</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  msg << <span class="stringliteral">"The tagger is not opened"</span>;</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">throw</span> std::invalid_argument(msg.str());</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  }</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span> </div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="comment">// Make sure that the current instance is not empty.</span></div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  T = (size_t)tagger->length(tagger);</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span> </div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keywordflow">if</span> (T <= 0) {</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">return</span> 0.;</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  }</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">// Make sure that |y| == |x|.</span></div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (yseq.size() != T) {</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  msg << <span class="stringliteral">"The numbers of items and labels differ: |x| = "</span> << T << <span class="stringliteral">", |y| = "</span> << yseq.size();</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">throw</span> std::invalid_argument(msg.str());</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  }</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span> </div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="comment">// Obtain the dictionary interface representing the labels in the model.</span></div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">if</span> ((ret = model->get_labels(model, &labels))) {</div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  msg << <span class="stringliteral">"Failed to obtain the dictionary interface for labels"</span>;</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">goto</span> error_exit;</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  }</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span> </div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="comment">// Convert string labels into label IDs.</span></div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  path = <span class="keyword">new</span> <span class="keywordtype">int</span>[T];</div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span> </div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> t = 0; t < T; ++t) {</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordtype">int</span> l = labels->to_id(labels, yseq[t].c_str());</div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span> </div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">if</span> (l < 0) {</div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  msg << <span class="stringliteral">"Failed to convert into label identifier: "</span> << yseq[t];</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">goto</span> error_exit;</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  }</div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span> </div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  path[t] = l;</div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  }</div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span> </div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// Compute the score of the path.</span></div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordflow">if</span> ((ret = tagger->score(tagger, path, &score))) {</div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  msg << <span class="stringliteral">"Failed to score the label sequence"</span>;</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">goto</span> error_exit;</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  }</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="comment">// Compute the partition factor.</span></div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">if</span> ((ret = tagger->lognorm(tagger, &lognorm))) {</div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  msg << <span class="stringliteral">"Failed to compute the partition factor"</span>;</div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keywordflow">goto</span> error_exit;</div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  }</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span> </div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  labels->release(labels);</div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keyword">delete</span>[] path;</div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordflow">return</span> std::exp((<span class="keywordtype">double</span>)(score - lognorm));</div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span> error_exit:</div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">if</span> (labels != NULL) {</div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  labels->release(labels);</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  labels = NULL;</div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  }</div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span> </div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keyword">delete</span>[] path;</div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">throw</span> std::runtime_error(msg.str());</div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span> }</div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span> </div><div class="line"><a name="l00614"></a><span class="lineno"><a class="line" href="classchatopera_1_1bot_1_1crfsuite_1_1Tagger.html#ae25eaf1d0a224f95450b3d05fe6ad60c"> 614</a></span> <span class="keywordtype">double</span> Tagger::marginal(<span class="keyword">const</span> std::string& y, <span class="keyword">const</span> <span class="keywordtype">int</span> t) {</div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordtype">int</span> l, ret, T;</div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  floatval_t prob;</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  std::stringstream msg;</div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  crfsuite_dictionary_t *labels = NULL;</div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span> </div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keywordflow">if</span> (model == NULL || tagger == NULL) {</div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  msg << <span class="stringliteral">"The tagger is not opened"</span>;</div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">throw</span> std::invalid_argument(msg.str());</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  }</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span> </div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="comment">// Make sure that the current instance is not empty.</span></div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  T = tagger->length(tagger);</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">if</span> (T <= 0) {</div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">return</span> 0.;</div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  }</div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span> </div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="comment">// Make sure that 0 <= t < |x|.</span></div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">if</span> (t < 0 || T <= t) {</div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  msg << <span class="stringliteral">"The position, "</span> << t << <span class="stringliteral">"is out of range of "</span> << T;</div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">throw</span> std::invalid_argument(msg.str());</div><div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  }</div><div class="line"><a name="l00637"></a><span class="lineno"> 637</span> </div><div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="comment">// Obtain the dictionary interface representing the labels in the model.</span></div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">if</span> ((ret = model->get_labels(model, &labels))) {</div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  msg << <span class="stringliteral">"Failed to obtain the dictionary interface for labels"</span>;</div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">goto</span> error_exit;</div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  }</div><div class="line"><a name="l00643"></a><span class="lineno"> 643</span> </div><div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="comment">// Convert string labels into label IDs.</span></div><div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  l = labels->to_id(labels, y.c_str());</div><div class="line"><a name="l00646"></a><span class="lineno"> 646</span> </div><div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">if</span> (l < 0) {</div><div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  msg << <span class="stringliteral">"Failed to convert into label identifier: "</span> << y;</div><div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">goto</span> error_exit;</div><div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  }</div><div class="line"><a name="l00651"></a><span class="lineno"> 651</span> </div><div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="comment">// Compute the score of the path.</span></div><div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="keywordflow">if</span> ((ret = tagger->marginal_point(tagger, l, t, &prob))) {</div><div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  msg << <span class="stringliteral">"Failed to compute the marginal probability of '"</span> << y << <span class="stringliteral">"' at "</span> << t;</div><div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">goto</span> error_exit;</div><div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  }</div><div class="line"><a name="l00657"></a><span class="lineno"> 657</span> </div><div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  labels->release(labels);</div><div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">return</span> prob;</div><div class="line"><a name="l00660"></a><span class="lineno"> 660</span> </div><div class="line"><a name="l00661"></a><span class="lineno"> 661</span> error_exit:</div><div class="line"><a name="l00662"></a><span class="lineno"> 662</span> </div><div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keywordflow">if</span> (labels != NULL) {</div><div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  labels->release(labels);</div><div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  labels = NULL;</div><div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  }</div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span> </div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordflow">throw</span> std::runtime_error(msg.str());</div><div class="line"><a name="l00669"></a><span class="lineno"> 669</span> }</div><div class="line"><a name="l00670"></a><span class="lineno"> 670</span> </div><div class="line"><a name="l00671"></a><span class="lineno"> 671</span> </div><div class="line"><a name="l00672"></a><span class="lineno"><a class="line" href="group__crfsuite__hpp__api__doc.html#gaa8ef1fab26ec65f18b7e34e6edac5ef5"> 672</a></span> std::string <a class="code" href="group__crfsuite__hpp__api__doc.html#gaa8ef1fab26ec65f18b7e34e6edac5ef5">version</a>() {</div><div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordflow">return</span> CRFSUITE_VERSION;</div><div class="line"><a name="l00674"></a><span class="lineno"> 674</span> }</div><div class="line"><a name="l00675"></a><span class="lineno"> 675</span> </div><div class="line"><a name="l00676"></a><span class="lineno"> 676</span> } <span class="comment">// namespace ner</span></div><div class="line"><a name="l00677"></a><span class="lineno"> 677</span> } <span class="comment">// namespace bot</span></div><div class="line"><a name="l00678"></a><span class="lineno"> 678</span> } <span class="comment">// namespace chatopera</span></div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span> <span class="preprocessor">#endif</span><span class="comment">/*__CHATOPERA_BOT_CRFSUITE_HPP__*/</span><span class="preprocessor"></span></div><div class="line"><a name="l00681"></a><span class="lineno"> 681</span> </div><div class="ttc" id="classchatopera_1_1bot_1_1crfsuite_1_1Trainer_html"><div class="ttname"><a href="classchatopera_1_1bot_1_1crfsuite_1_1Trainer.html">chatopera::bot::crfsuite::Trainer</a></div><div class="ttdef"><b>Definition:</b> crfsuite_api.hpp:191</div></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdef"><b>Definition:</b> StdExtension.hpp:18</div></div>
<div class="ttc" id="group__crfsuite__hpp__api__doc_html_gaf82774957c9896d38894cddd592aa061"><div class="ttname"><a href="group__crfsuite__hpp__api__doc.html#gaf82774957c9896d38894cddd592aa061">chatopera::bot::crfsuite::StringList</a></div><div class="ttdeci">std::vector< std::string > StringList</div><div class="ttdef"><b>Definition:</b> crfsuite_api.hpp:174</div></div>
<div class="ttc" id="group__crfsuite__hpp__api__doc_html_gaa8ef1fab26ec65f18b7e34e6edac5ef5"><div class="ttname"><a href="group__crfsuite__hpp__api__doc.html#gaa8ef1fab26ec65f18b7e34e6edac5ef5">chatopera::bot::crfsuite::version</a></div><div class="ttdeci">std::string version()</div><div class="ttdef"><b>Definition:</b> crfsuite.hpp:672</div></div>
<div class="ttc" id="group__crfsuite__hpp__api__doc_html_ga1e1aaf17a4b48230ffae9abd505ab4d0"><div class="ttname"><a href="group__crfsuite__hpp__api__doc.html#ga1e1aaf17a4b48230ffae9abd505ab4d0">chatopera::bot::crfsuite::Item</a></div><div class="ttdeci">std::vector< Attribute > Item</div><div class="ttdef"><b>Definition:</b> crfsuite_api.hpp:164</div></div>
<div class="ttc" id="group__crfsuite__hpp__api__doc_html_ga34f58d96010025b06e985a6710fbfd05"><div class="ttname"><a href="group__crfsuite__hpp__api__doc.html#ga34f58d96010025b06e985a6710fbfd05">chatopera::bot::crfsuite::ItemSequence</a></div><div class="ttdeci">std::vector< Item > ItemSequence</div><div class="ttdef"><b>Definition:</b> crfsuite_api.hpp:169</div></div>
<div class="ttc" id="structtag__iwa__token_html"><div class="ttname"><a href="structtag__iwa__token.html">tag_iwa_token</a></div><div class="ttdef"><b>Definition:</b> iwa.h:50</div></div>
<div class="ttc" id="namespacechatopera_html"><div class="ttname"><a href="namespacechatopera.html">chatopera</a></div><div class="ttdef"><b>Definition:</b> activemq.cpp:14</div></div>
<div class="ttc" id="structtag__iwa_html"><div class="ttname"><a href="structtag__iwa.html">tag_iwa</a></div><div class="ttdef"><b>Definition:</b> iwa.c:45</div></div>
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