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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">// Copyright (c) 2012 Artyom Beilis (Tonkikh)</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (c) 2019-2020 Alexander Grund</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Distributed under the Boost Software License, Version 1.0. (See</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// accompanying file LICENSE or copy at</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef BOOST_NOWIDE_FILEBUF_HPP_INCLUDED</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define BOOST_NOWIDE_FILEBUF_HPP_INCLUDED</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <<a class="code" href="config_8hpp.html">boost/nowide/config.hpp</a>></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#if BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/nowide/cstdio.hpp></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <boost/nowide/stackstring.hpp></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <cassert></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cstdio></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <ios></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <locale></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <stdexcept></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <streambuf></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <fstream></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>boost {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>nowide {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">namespace </span>detail {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  BOOST_NOWIDE_DECL std::streampos ftell(FILE* file);</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  BOOST_NOWIDE_DECL <span class="keywordtype">int</span> fseek(FILE* file, std::streamoff offset, <span class="keywordtype">int</span> origin);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#if !BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT && !defined(BOOST_NOWIDE_DOXYGEN)</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">using</span> std::basic_filebuf;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">using</span> std::filebuf;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#else // Windows</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">template</span><<span class="keyword">typename</span> CharType, <span class="keyword">typename</span> Traits = std::<span class="keywordtype">char</span>_traits<CharType>></div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classboost_1_1nowide_1_1basic__filebuf.html"> 47</a></span>  <span class="keyword">class </span><a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">template</span><></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html"> 56</a></span>  <span class="keyword">class </span><a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a><char> : <span class="keyword">public</span> std::basic_streambuf<char></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">using</span> Traits = std::char_traits<char>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#ifdef BOOST_MSVC</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#pragma warning(push)</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#pragma warning(disable : 4351) // new behavior : elements of array will be default initialized</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>() :</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  buffer_size_(BUFSIZ), buffer_(0), file_(0), owns_buffer_(<span class="keyword">false</span>), last_char_(),</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  mode_(std::ios_base::openmode(0))</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>  setg(0, 0, 0);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  setp(0, 0);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#ifdef BOOST_MSVC</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#pragma warning(pop)</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>(<span class="keyword">const</span> <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>& operator=(<span class="keyword">const</span> <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>(<a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>&& other) noexcept : <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>()</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  swap(other);</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>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>& operator=(<a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>&& other) noexcept</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  swap(other);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> *<span class="keyword">this</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="keywordtype">void</span> swap(<a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>& rhs)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::basic_streambuf<char>::swap(rhs);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">using</span> std::swap;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  swap(buffer_size_, rhs.buffer_size_);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  swap(buffer_, rhs.buffer_);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  swap(file_, rhs.file_);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  swap(owns_buffer_, rhs.owns_buffer_);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  swap(last_char_[0], rhs.last_char_[0]);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  swap(mode_, rhs.mode_);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// Fixup last_char references</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span>(pbase() == rhs.last_char_)</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  setp(last_char_, (pptr() == epptr()) ? last_char_ : last_char_ + 1);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span>(eback() == rhs.last_char_)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  setg(last_char_, (gptr() == rhs.last_char_) ? last_char_ : last_char_ + 1, last_char_ + 1);</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>(rhs.pbase() == last_char_)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  rhs.setp(rhs.last_char_, (rhs.pptr() == rhs.epptr()) ? rhs.last_char_ : rhs.last_char_ + 1);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span>(rhs.eback() == last_char_)</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>  rhs.setg(rhs.last_char_,</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  (rhs.gptr() == last_char_) ? rhs.last_char_ : rhs.last_char_ + 1,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  rhs.last_char_ + 1);</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"> 116</span>  <span class="keyword">virtual</span> ~<a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>()</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  close();</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a5426b8765d9d4d2b66914b47bffbe186"> 124</a></span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>* <a class="code" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a5426b8765d9d4d2b66914b47bffbe186">open</a>(<span class="keyword">const</span> std::string& s, std::ios_base::openmode mode)</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> open(s.c_str(), mode);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div><div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a66fc86927c8f172876972af81a858be9"> 131</a></span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>* <a class="code" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a66fc86927c8f172876972af81a858be9">open</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s, std::ios_base::openmode mode)</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="keyword">const</span> <a class="code" href="classboost_1_1nowide_1_1basic__stackstring.html">wstackstring</a> name(s);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> open(name.<a class="code" href="classboost_1_1nowide_1_1basic__stackstring.html#acacacbbc7719801c09078cfa6a53eacb">get</a>(), mode);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a358edcd425042adff293db48a0444070"> 137</a></span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>* <a class="code" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a358edcd425042adff293db48a0444070">open</a>(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* s, std::ios_base::openmode mode)</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span>(is_open())</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  validate_cvt(this->getloc());</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> ate = (mode & std::ios_base::ate) != 0;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span>(ate)</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  mode &= ~std::ios_base::ate;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* smode = get_mode(mode);</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span>(!smode)</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  file_ = detail::wfopen(s, smode);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span>(!file_)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span>(ate && detail::fseek(file_, 0, SEEK_END) != 0)</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  close();</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  mode_ = mode;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> <span class="keyword">this</span>;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a5d28c29a18add5fbcd0456e75be753a6"> 162</a></span>  <a class="code" href="classboost_1_1nowide_1_1basic__filebuf.html">basic_filebuf</a>* <a class="code" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a5d28c29a18add5fbcd0456e75be753a6">close</a>()</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span>(!is_open())</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">bool</span> res = sync() == 0;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span>(std::fclose(file_) != 0)</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  res = <span class="keyword">false</span>;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  file_ = NULL;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  mode_ = std::ios_base::openmode(0);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span>(owns_buffer_)</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="keyword">delete</span>[] buffer_;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  buffer_ = NULL;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  owns_buffer_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  setg(0, 0, 0);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  setp(0, 0);</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> res ? this : NULL;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#ae965bc0867c4466e4c7e86cc1fad6f2a"> 184</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#ae965bc0867c4466e4c7e86cc1fad6f2a">is_open</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> file_ != NULL;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">void</span> make_buffer()</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>  <span class="keywordflow">if</span>(buffer_)</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span>(buffer_size_ > 0)</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  buffer_ = <span class="keyword">new</span> <span class="keywordtype">char</span>[buffer_size_];</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  owns_buffer_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">void</span> validate_cvt(<span class="keyword">const</span> std::locale& loc)</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span>(!std::use_facet<std::codecvt<char, char, std::mbstate_t>>(loc).always_noconv())</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Converting codecvts are not supported"</span>);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  std::streambuf* setbuf(<span class="keywordtype">char</span>* s, std::streamsize n)<span class="keyword"> override</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  assert(n >= 0);</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// Maximum compatibility: Discard all local buffers and use user-provided values</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// Users should call sync() before or better use it before any IO is done or any file is opened</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  setg(NULL, NULL, NULL);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  setp(NULL, NULL);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span>(owns_buffer_)</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">delete</span>[] buffer_;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  buffer_ = s;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  buffer_size_ = (n >= 0) ? static_cast<size_t>(n) : 0;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> <span class="keyword">this</span>;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</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>  <span class="keywordtype">int</span> overflow(<span class="keywordtype">int</span> c = EOF)<span class="keyword"> override</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span>(!(mode_ & std::ios_base::out))</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span>(!stop_reading())</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">size_t</span> n = pptr() - pbase();</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span>(n > 0)</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  {</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">if</span>(std::fwrite(pbase(), 1, n, file_) != n)</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  setp(buffer_, buffer_ + buffer_size_);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span>(c != EOF)</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>  *buffer_ = Traits::to_char_type(c);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  pbump(1);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(c != EOF)</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>  <span class="keywordflow">if</span>(buffer_size_ > 0)</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  {</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  make_buffer();</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  setp(buffer_, buffer_ + buffer_size_);</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  *buffer_ = Traits::to_char_type(c);</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  pbump(1);</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(std::fputc(c, file_) == EOF)</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(!pptr())</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  {</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// Set to dummy value so we know we have written something</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  setp(last_char_, last_char_);</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</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>  <span class="keywordflow">return</span> Traits::not_eof(c);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</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>  <span class="keywordtype">int</span> sync()<span class="keyword"> override</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span>(!file_)</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">bool</span> result;</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">if</span>(pptr())</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  result = overflow() != EOF;</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// Only flush if anything was written, otherwise behavior of fflush is undefined</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span>(std::fflush(file_) != 0)</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> result = <span class="keyword">false</span>;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  } <span class="keywordflow">else</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  result = stop_reading();</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> result ? 0 : -1;</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</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>  <span class="keywordtype">int</span> underflow()<span class="keyword"> override</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">if</span>(!(mode_ & std::ios_base::in))</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span>(!stop_writing())</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// In text mode we cannot use a buffer size of more than 1 (i.e. single char only)</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// This is due to the need to seek back in case of a sync to "put back" unread chars.</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// However determining the number of chars to seek back is impossible in case there are newlines</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// as we cannot know if those were converted.</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span>(buffer_size_ == 0 || !(mode_ & std::ios_base::binary))</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> c = std::fgetc(file_);</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span>(c == EOF)</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  last_char_[0] = Traits::to_char_type(c);</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  setg(last_char_, last_char_, last_char_ + 1);</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  } <span class="keywordflow">else</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  {</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  make_buffer();</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> n = std::fread(buffer_, 1, buffer_size_, file_);</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  setg(buffer_, buffer_, buffer_ + n);</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span>(n == 0)</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">return</span> Traits::to_int_type(*gptr());</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  }</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordtype">int</span> pbackfail(<span class="keywordtype">int</span> c = EOF)<span class="keyword"> override</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span>(!(mode_ & std::ios_base::in))</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span>(!stop_writing())</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">if</span>(gptr() > eback())</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  gbump(-1);</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>(seekoff(-1, std::ios_base::cur) != std::streampos(std::streamoff(-1)))</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  {</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span>(underflow() == EOF)</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  } <span class="keywordflow">else</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// Case 1: Caller just wanted space for 1 char</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span>(c == EOF)</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> Traits::not_eof(c);</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// Case 2: Caller wants to put back different char</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">// gptr now points to the (potentially newly read) previous char</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span>(*gptr() != c)</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  *gptr() = Traits::to_char_type(c);</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> Traits::not_eof(c);</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  std::streampos seekoff(std::streamoff off,</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  std::ios_base::seekdir seekdir,</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  std::ios_base::openmode = std::ios_base::in | std::ios_base::out)<span class="keyword"> override</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">if</span>(!file_)</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">// Switching between input<->output requires a seek</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// So do NOT optimize for seekoff(0, cur) as No-OP</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">// On some implementations a seek also flushes, so do a full sync</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span>(sync() != 0)</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordtype">int</span> whence;</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">switch</span>(seekdir)</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  {</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">case</span> std::ios_base::beg: whence = SEEK_SET; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">case</span> std::ios_base::cur: whence = SEEK_CUR; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">case</span> std::ios_base::end: whence = SEEK_END; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">default</span>: assert(<span class="keyword">false</span>); <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span>(detail::fseek(file_, off, whence) != 0)</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">return</span> EOF;</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">return</span> detail::ftell(file_);</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>  std::streampos seekpos(std::streampos pos,</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  std::ios_base::openmode m = std::ios_base::in | std::ios_base::out)<span class="keyword"> override</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">// Standard mandates "as-if fsetpos", but assume the effect is the same as fseek</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">return</span> seekoff(pos, std::ios_base::beg, m);</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordtype">void</span> imbue(<span class="keyword">const</span> std::locale& loc)<span class="keyword"> override</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  validate_cvt(loc);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</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>  <span class="keyword">private</span>:</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordtype">bool</span> stop_reading()</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  {</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">if</span>(!gptr())</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">const</span> <span class="keyword">auto</span> off = gptr() - egptr();</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  setg(0, 0, 0);</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">if</span>(!off)</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#if defined(__clang__)</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor">#pragma clang diagnostic push</span></div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor">#pragma clang diagnostic ignored "-Wtautological-constant-out-of-range-compare"</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// coverity[result_independent_of_operands]</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span>(off > std::numeric_limits<std::streamoff>::max())</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="preprocessor">#if defined(__clang__)</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="preprocessor">#pragma clang diagnostic pop</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> detail::fseek(file_, static_cast<std::streamoff>(off), SEEK_CUR) == 0;</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> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordtype">bool</span> stop_writing()</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">if</span>(pptr())</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>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> base = pbase();</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> n = pptr() - base;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  setp(0, 0);</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">if</span>(n && std::fwrite(base, 1, n, file_) != n)</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  }</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordtype">void</span> reset(FILE* f = 0)</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>  sync();</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span>(file_)</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  {</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  fclose(file_);</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  file_ = 0;</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  }</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  file_ = f;</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* get_mode(std::ios_base::openmode mode)</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">//</span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">// done according to n2914 table 106 27.9.1.4</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">//</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>  <span class="comment">// note can't use switch case as overload operator can't be used</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// in constant expression</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::out))</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"w"</span>;</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::out | std::ios_base::app))</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"a"</span>;</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::app))</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"a"</span>;</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::out | std::ios_base::trunc))</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"w"</span>;</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::in))</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"r"</span>;</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::in | std::ios_base::out))</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"r+"</span>;</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::in | std::ios_base::out | std::ios_base::trunc))</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"w+"</span>;</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::in | std::ios_base::out | std::ios_base::app))</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"a+"</span>;</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::in | std::ios_base::app))</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"a+"</span>;</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::out))</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"wb"</span>;</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::out | std::ios_base::app))</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"ab"</span>;</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::app))</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"ab"</span>;</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::out | std::ios_base::trunc))</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"wb"</span>;</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::in))</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"rb"</span>;</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::in | std::ios_base::out))</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"r+b"</span>;</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::in | std::ios_base::out | std::ios_base::trunc))</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"w+b"</span>;</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::in | std::ios_base::out | std::ios_base::app))</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"a+b"</span>;</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">if</span>(mode == (std::ios_base::binary | std::ios_base::in | std::ios_base::app))</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">return</span> L<span class="stringliteral">"a+b"</span>;</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  }</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="keywordtype">size_t</span> buffer_size_;</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordtype">char</span>* buffer_;</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  FILE* file_;</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordtype">bool</span> owns_buffer_;</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordtype">char</span> last_char_[1];</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  std::ios::openmode mode_;</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> </div><div class="line"><a name="l00472"></a><span class="lineno"><a class="line" href="namespaceboost_1_1nowide.html#aa2709df55bd08ca25c97f047afec0ba0"> 472</a></span>  <span class="keyword">using</span> <a class="code" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html">filebuf</a> = <a class="code" href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html">basic_filebuf<char></a>;</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> </div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="preprocessor">#endif // windows</span></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> } <span class="comment">// namespace nowide</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> } <span class="comment">// namespace boost</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="preprocessor">#endif</span></div><div class="ttc" id="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4_html_a5d28c29a18add5fbcd0456e75be753a6"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a5d28c29a18add5fbcd0456e75be753a6">boost::nowide::basic_filebuf< char >::close</a></div><div class="ttdeci">basic_filebuf * close()</div><div class="ttdef"><b>Definition:</b> filebuf.hpp:162</div></div>
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<div class="ttc" id="config_8hpp_html"><div class="ttname"><a href="config_8hpp.html">config.hpp</a></div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4_html_ae965bc0867c4466e4c7e86cc1fad6f2a"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#ae965bc0867c4466e4c7e86cc1fad6f2a">boost::nowide::basic_filebuf< char >::is_open</a></div><div class="ttdeci">bool is_open() const</div><div class="ttdef"><b>Definition:</b> filebuf.hpp:184</div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__filebuf_html"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__filebuf.html">boost::nowide::basic_filebuf</a></div><div class="ttdoc">This forward declaration defines the basic_filebuf type.</div><div class="ttdef"><b>Definition:</b> filebuf.hpp:47</div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4_html_a358edcd425042adff293db48a0444070"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a358edcd425042adff293db48a0444070">boost::nowide::basic_filebuf< char >::open</a></div><div class="ttdeci">basic_filebuf * open(const wchar_t *s, std::ios_base::openmode mode)</div><div class="ttdoc">Opens the file with the given name, see std::filebuf::open.</div><div class="ttdef"><b>Definition:</b> filebuf.hpp:137</div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4_html_a66fc86927c8f172876972af81a858be9"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a66fc86927c8f172876972af81a858be9">boost::nowide::basic_filebuf< char >::open</a></div><div class="ttdeci">basic_filebuf * open(const char *s, std::ios_base::openmode mode)</div><div class="ttdef"><b>Definition:</b> filebuf.hpp:131</div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4_html"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html">boost::nowide::basic_filebuf< char ></a></div><div class="ttdoc">This is the implementation of std::filebuf.</div><div class="ttdef"><b>Definition:</b> filebuf.hpp:56</div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__stackstring_html"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__stackstring.html">boost::nowide::basic_stackstring</a></div><div class="ttdoc">A class that allows to create a temporary wide or narrow UTF strings from wide or narrow UTF source.</div><div class="ttdef"><b>Definition:</b> stackstring.hpp:32</div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4_html_a5426b8765d9d4d2b66914b47bffbe186"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__filebuf_3_01char_01_4.html#a5426b8765d9d4d2b66914b47bffbe186">boost::nowide::basic_filebuf< char >::open</a></div><div class="ttdeci">basic_filebuf * open(const std::string &s, std::ios_base::openmode mode)</div><div class="ttdef"><b>Definition:</b> filebuf.hpp:124</div></div>
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<div class="ttc" id="classboost_1_1nowide_1_1basic__stackstring_html_acacacbbc7719801c09078cfa6a53eacb"><div class="ttname"><a href="classboost_1_1nowide_1_1basic__stackstring.html#acacacbbc7719801c09078cfa6a53eacb">boost::nowide::basic_stackstring::get</a></div><div class="ttdeci">output_char * get()</div><div class="ttdoc">Return the converted, NULL-terminated string or NULL if no string was converted.</div><div class="ttdef"><b>Definition:</b> stackstring.hpp:127</div></div>
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