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<div class="title">rapidxml_utils.hpp</div> </div>
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<div class="contents">
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<a href="rapidxml__utils_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef RAPIDXML_UTILS_HPP_INCLUDED</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define RAPIDXML_UTILS_HPP_INCLUDED</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2006, 2009 Marcin Kalicinski</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Version 1.13</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// Revision $DateTime: 2009/05/13 01:46:17 $</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="rapidxml_8hpp.html" title="This file contains rapidxml parser and DOM implementation.">rapidxml.hpp</a>"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <fstream></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <stdexcept></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>rapidxml</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keyword">template</span><<span class="keyword">class</span> Ch = <span class="keywordtype">char</span>></div>
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<div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="classrapidxml_1_1file.html"> 21</a></span>  <span class="keyword">class </span><a class="code" href="classrapidxml_1_1file.html" title="Represents data loaded from a file.">file</a></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="classrapidxml_1_1file.html#ae881a3cab1fe7152d45c92a8d7606cb3"> 28</a></span>  <a class="code" href="classrapidxml_1_1file.html#ae881a3cab1fe7152d45c92a8d7606cb3">file</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">using namespace </span>std;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// Open stream</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  basic_ifstream<Ch> stream(filename, ios::binary);</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> (!stream)</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">throw</span> runtime_error(<span class="keywordtype">string</span>(<span class="stringliteral">"cannot open file "</span>) + filename);</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  stream.unsetf(ios::skipws);</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// Determine stream size</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  stream.seekg(0, ios::end);</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">size_t</span> <a class="code" href="classrapidxml_1_1file.html#a20191d167c6e00a88a44ca9a3a54e1c5">size</a> = stream.tellg();</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  stream.seekg(0);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// Load data and add terminating 0</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  m_data.resize(<a class="code" href="classrapidxml_1_1file.html#a20191d167c6e00a88a44ca9a3a54e1c5">size</a> + 1);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  stream.read(&m_data.front(), <span class="keyword">static_cast<</span>streamsize<span class="keyword">></span>(<a class="code" href="classrapidxml_1_1file.html#a20191d167c6e00a88a44ca9a3a54e1c5">size</a>));</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  m_data[<a class="code" href="classrapidxml_1_1file.html#a20191d167c6e00a88a44ca9a3a54e1c5">size</a>] = 0;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="classrapidxml_1_1file.html#a90707ccd991cc392dcf4bef37eed9d1f"> 51</a></span>  <a class="code" href="classrapidxml_1_1file.html#ae881a3cab1fe7152d45c92a8d7606cb3">file</a>(std::basic_istream<Ch> &stream)</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">using namespace </span>std;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Load data and add terminating 0</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  stream.unsetf(ios::skipws);</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  m_data.assign(istreambuf_iterator<Ch>(stream), istreambuf_iterator<Ch>());</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (stream.fail() || stream.bad())</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">throw</span> runtime_error(<span class="stringliteral">"error reading stream"</span>);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  m_data.push_back(0);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="classrapidxml_1_1file.html#af1c71d65862c7af14e4708e32a80c1de"> 65</a></span>  Ch *<a class="code" href="classrapidxml_1_1file.html#af1c71d65862c7af14e4708e32a80c1de">data</a>()</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> &m_data.front();</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="classrapidxml_1_1file.html#aceb8f5ebd577c946a74b1ea3e2e0c576"> 72</a></span>  <span class="keyword">const</span> Ch *<a class="code" href="classrapidxml_1_1file.html#af1c71d65862c7af14e4708e32a80c1de">data</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> &m_data.front();</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="classrapidxml_1_1file.html#a20191d167c6e00a88a44ca9a3a54e1c5"> 79</a></span>  std::size_t <a class="code" href="classrapidxml_1_1file.html#a20191d167c6e00a88a44ca9a3a54e1c5">size</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> m_data.size();</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  std::vector<Ch> m_data; <span class="comment">// File data</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  };</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">template</span><<span class="keyword">class</span> Ch></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">inline</span> std::size_t count_children(xml_node<Ch> *node)</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  xml_node<Ch> *child = node->first_node();</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  std::size_t count = 0;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">while</span> (child)</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ++count;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  child = child->next_sibling();</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> count;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">template</span><<span class="keyword">class</span> Ch></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">inline</span> std::size_t count_attributes(xml_node<Ch> *node)</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  xml_attribute<Ch> *attr = node->first_attribute();</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  std::size_t count = 0;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">while</span> (attr)</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ++count;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  attr = attr->next_attribute();</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> count;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> }</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#endif</span></div>
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