<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: locale_conv.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.13 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('a00371_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">locale_conv.h</div> </div> </div><!--header--> <div class="contents"> <a href="a00371.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="comment">// wstring_convert implementation -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2015 Free Software Foundation, Inc.</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">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/** @file bits/locale_conv.h</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Do not attempt to use it directly. @headername{locale}</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> */</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef _LOCALE_CONV_H</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define _LOCALE_CONV_H 1</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#if __cplusplus < 201103L</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"># include <<a class="code" href="a00290.html">bits/c++0x_warning.h</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="a00143.html">streambuf</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="a00566.html">stringfwd.h</a>"</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="a00263.html">allocator.h</a>"</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="a00299.html">codecvt.h</a>"</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="a00572.html">unique_ptr.h</a>"</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="a01487.html">std</a> _GLIBCXX_VISIBILITY(default)</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> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> /**</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * @addtogroup locales</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> */</span></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">template</span><<span class="keyword">typename</span> _OutStr, <span class="keyword">typename</span> _InChar, <span class="keyword">typename</span> _Codecvt,</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">typename</span> _State, <span class="keyword">typename</span> _Fn></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  __do_str_codecvt(<span class="keyword">const</span> _InChar* __first, <span class="keyword">const</span> _InChar* __last,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  _OutStr& __outstr, <span class="keyword">const</span> _Codecvt& __cvt, _State& __state,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">size_t</span>& __count, _Fn __fn)</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> (__first == __last)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  __outstr.clear();</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  __count = 0;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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"> 66</span>  <span class="keywordtype">size_t</span> __outchars = 0;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">auto</span> __next = __first;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> <span class="keyword">auto</span> __maxlen = __cvt.max_length() + 1;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  codecvt_base::result __result;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">do</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>  __outstr.resize(__outstr.size() + (__last - __next) * __maxlen);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">auto</span> __outnext = &__outstr.front() + __outchars;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">auto</span> <span class="keyword">const</span> __outlast = &__outstr.back() + 1;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  __result = (__cvt.*__fn)(__state, __next, __last, __next,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  __outnext, __outlast, __outnext);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  __outchars = __outnext - &__outstr.front();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">while</span> (__result == codecvt_base::partial && __next != __last</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  && (__outstr.size() - __outchars) < __maxlen);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (__result == codecvt_base::error)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  __count = __next - __first;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> <span class="keyword">false</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="keywordflow">if</span> (__result == codecvt_base::noconv)</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>  __outstr.assign(__first, __last);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  __count = __last - __first;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">else</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>  __outstr.resize(__outchars);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  __count = __next - __first;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</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="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// Convert narrow character string to wide.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc, <span class="keyword">typename</span> _State></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  __str_codecvt_in(<span class="keyword">const</span> <span class="keywordtype">char</span>* __first, <span class="keyword">const</span> <span class="keywordtype">char</span>* __last,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  basic_string<_CharT, _Traits, _Alloc>& __outstr,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> codecvt<_CharT, char, _State>& __cvt,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  _State& __state, <span class="keywordtype">size_t</span>& __count)</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>  <span class="keyword">using</span> _Codecvt = codecvt<_CharT, char, _State>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">using</span> _ConvFn</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  = codecvt_base::result</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  (_Codecvt::*)(_State&, <span class="keyword">const</span> <span class="keywordtype">char</span>*, <span class="keyword">const</span> <span class="keywordtype">char</span>*, <span class="keyword">const</span> <span class="keywordtype">char</span>*&,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  _CharT*, _CharT*, _CharT*&) <span class="keyword">const</span>;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  _ConvFn __fn = &<a class="code" href="a04553.html#a38117d39e9725f52735f51f4f4b72354">codecvt<_CharT, char, _State>::in</a>;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> __do_str_codecvt(__first, __last, __outstr, __cvt, __state,</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  __count, __fn);</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="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc, <span class="keyword">typename</span> _State></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  __str_codecvt_in(<span class="keyword">const</span> <span class="keywordtype">char</span>* __first, <span class="keyword">const</span> <span class="keywordtype">char</span>* __last,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  basic_string<_CharT, _Traits, _Alloc>& __outstr,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> codecvt<_CharT, char, _State>& __cvt)</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  _State __state = {};</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">size_t</span> __n;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> __str_codecvt_in(__first, __last, __outstr, __cvt, __state, __n);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Convert wide character string to narrow.</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc, <span class="keyword">typename</span> _State></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  __str_codecvt_out(<span class="keyword">const</span> _CharT* __first, <span class="keyword">const</span> _CharT* __last,</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  basic_string<char, _Traits, _Alloc>& __outstr,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">const</span> codecvt<_CharT, char, _State>& __cvt,</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  _State& __state, <span class="keywordtype">size_t</span>& __count)</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="keyword">using</span> _Codecvt = codecvt<_CharT, char, _State>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">using</span> _ConvFn</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  = codecvt_base::result</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  (_Codecvt::*)(_State&, <span class="keyword">const</span> _CharT*, <span class="keyword">const</span> _CharT*, <span class="keyword">const</span> _CharT*&,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">char</span>*, <span class="keywordtype">char</span>*, <span class="keywordtype">char</span>*&) <span class="keyword">const</span>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  _ConvFn __fn = &<a class="code" href="a04553.html#a3a2b1f2da1bc0d89ccd1eceaa66bb79f">codecvt<_CharT, char, _State>::out</a>;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> __do_str_codecvt(__first, __last, __outstr, __cvt, __state,</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  __count, __fn);</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> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc, <span class="keyword">typename</span> _State></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  __str_codecvt_out(<span class="keyword">const</span> _CharT* __first, <span class="keyword">const</span> _CharT* __last,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  basic_string<char, _Traits, _Alloc>& __outstr,</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> codecvt<_CharT, char, _State>& __cvt)</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>  _State __state = {};</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">size_t</span> __n;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> __str_codecvt_out(__first, __last, __outstr, __cvt, __state, __n);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</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="preprocessor">#ifdef _GLIBCXX_USE_WCHAR_T</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> _GLIBCXX_BEGIN_NAMESPACE_CXX11</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"></span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> /// String conversions</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Codecvt, <span class="keyword">typename</span> _Elem = wchar_t,</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">typename</span> _Wide_alloc = allocator<_Elem>,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">typename</span> _Byte_alloc = allocator<char>></div><div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="a05253.html"> 169</a></span>  <span class="keyword">class </span><a class="code" href="a05253.html">wstring_convert</a></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">typedef</span> <a class="code" href="a04189.html">basic_string<char, char_traits<char></a>, _Byte_alloc> <a class="code" href="a04189.html">byte_string</a>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">typedef</span> <a class="code" href="a04189.html">basic_string<_Elem, char_traits<_Elem></a>, _Wide_alloc> <a class="code" href="a04189.html">wide_string</a>;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Codecvt::state_type state_type;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> wide_string::traits_type::int_type int_type;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"></span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> /** Default constructor.</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> *</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> * @param __pcvt The facet to use for conversions.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> *</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * Takes ownership of @p __pcvt and will delete it in the destructor.</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> */</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="a05253.html#ae3631014b5f2535fb0efa101fbc7193e"> 184</a></span>  <a class="code" href="a05253.html#ae3631014b5f2535fb0efa101fbc7193e">wstring_convert</a>(_Codecvt* __pcvt = <span class="keyword">new</span> _Codecvt()) : _M_cvt(__pcvt)</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  {</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">if</span> (!_M_cvt)</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  __throw_logic_error(<span class="stringliteral">"wstring_convert"</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="comment"></span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> /** Construct with an initial converstion state.</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> *</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> * @param __pcvt The facet to use for conversions.</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> * @param __state Initial conversion state.</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> *</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> * Takes ownership of @p __pcvt and will delete it in the destructor.</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> * The object's conversion state will persist between conversions.</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> */</span></div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="a05253.html#ac63cbe7aac1dc89a72e1e40134545d41"> 198</a></span>  <a class="code" href="a05253.html#ac63cbe7aac1dc89a72e1e40134545d41">wstring_convert</a>(_Codecvt* __pcvt, state_type __state)</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  : _M_cvt(__pcvt), _M_state(__state), _M_with_cvtstate(true)</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  {</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> (!_M_cvt)</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  __throw_logic_error(<span class="stringliteral">"wstring_convert"</span>);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"></span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> /** Construct with error strings.</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> *</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> * @param __byte_err A string to return on failed conversions.</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> * @param __wide_err A wide string to return on failed conversions.</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> */</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="a05253.html#aa7882cf7b53baff7d6d2cf9ca3386b3a"> 211</a></span>  <a class="code" href="a05253.html#aa7882cf7b53baff7d6d2cf9ca3386b3a">wstring_convert</a>(<span class="keyword">const</span> byte_string& __byte_err,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> wide_string& __wide_err = wide_string())</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  : _M_cvt(new _Codecvt),</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  _M_byte_err_string(__byte_err), _M_wide_err_string(__wide_err),</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  _M_with_strings(true)</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (!_M_cvt)</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  __throw_logic_error(<span class="stringliteral">"wstring_convert"</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>  ~<a class="code" href="a05253.html">wstring_convert</a>() = <span class="keywordflow">default</span>;</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="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// 2176. Special members for wstring_convert and wbuffer_convert</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="a05253.html#ae3631014b5f2535fb0efa101fbc7193e">wstring_convert</a>(<span class="keyword">const</span> <a class="code" href="a05253.html">wstring_convert</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="a05253.html">wstring_convert</a>& operator=(<span class="keyword">const</span> <a class="code" href="a05253.html">wstring_convert</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"></span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> /// @{ Convert from bytes.</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"></span> wide_string</div><div class="line"><a name="l00230"></a><span class="lineno"><a class="line" href="a05253.html#a5adef5a1030829016c2afe669a5d335f"> 230</a></span>  <a class="code" href="a05253.html#a5adef5a1030829016c2afe669a5d335f">from_bytes</a>(<span class="keywordtype">char</span> __byte)</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="keywordtype">char</span> __bytes[2] = { __byte };</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> <a class="code" href="a05253.html#a5adef5a1030829016c2afe669a5d335f">from_bytes</a>(__bytes, __bytes+1);</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> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  wide_string</div><div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="a05253.html#abd8e388d1f5e74cfaf824f8971bfb6dd"> 237</a></span>  <a class="code" href="a05253.html#abd8e388d1f5e74cfaf824f8971bfb6dd">from_bytes</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* __ptr)</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  { <span class="keywordflow">return</span> <a class="code" href="a05253.html#a5adef5a1030829016c2afe669a5d335f">from_bytes</a>(__ptr, __ptr+<a class="code" href="a04529.html">char_traits<char>::length</a>(__ptr)); }</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>  wide_string</div><div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="a05253.html#af35796c796e1d9df713e0dd9fafea066"> 241</a></span>  <a class="code" href="a05253.html#af35796c796e1d9df713e0dd9fafea066">from_bytes</a>(<span class="keyword">const</span> byte_string& __str)</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">auto</span> __ptr = __str.<a class="code" href="a04189.html#a7998fb98c9eddd604864547d4ed4a80f">data</a>();</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">return</span> <a class="code" href="a05253.html#a5adef5a1030829016c2afe669a5d335f">from_bytes</a>(__ptr, __ptr + __str.<a class="code" href="a04189.html#a676f896c88073521cfac7aab5f3da5af">size</a>());</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  wide_string</div><div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="a05253.html#ab1176fe15be7975d9e57184c8d8d7e3e"> 248</a></span>  <a class="code" href="a05253.html#ab1176fe15be7975d9e57184c8d8d7e3e">from_bytes</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* __first, <span class="keyword">const</span> <span class="keywordtype">char</span>* __last)</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">if</span> (!_M_with_cvtstate)</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  _M_state = state_type();</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  wide_string __out{ _M_wide_err_string.<a class="code" href="a04189.html#ac74bf867dd0c370a371d27715417037d">get_allocator</a>() };</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (__str_codecvt_in(__first, __last, __out, *_M_cvt, _M_state,</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  _M_count))</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> __out;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">if</span> (_M_with_strings)</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> _M_wide_err_string;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  __throw_range_error(<span class="stringliteral">"wstring_convert::from_bytes"</span>);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }<span class="comment"></span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> /// @}</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"></span><span class="comment"></span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> /// @{ Convert to bytes.</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"></span> byte_string</div><div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="a05253.html#a5ea01f210ea99aee4fe16eb79b5a5460"> 264</a></span>  <a class="code" href="a05253.html#a5ea01f210ea99aee4fe16eb79b5a5460">to_bytes</a>(_Elem __wchar)</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  {</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  _Elem __wchars[2] = { __wchar };</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">return</span> <a class="code" href="a05253.html#a5ea01f210ea99aee4fe16eb79b5a5460">to_bytes</a>(__wchars, __wchars+1);</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  byte_string</div><div class="line"><a name="l00271"></a><span class="lineno"><a class="line" href="a05253.html#a7a955d4914f3262ae49ad762c63e54ca"> 271</a></span>  <a class="code" href="a05253.html#a7a955d4914f3262ae49ad762c63e54ca">to_bytes</a>(<span class="keyword">const</span> _Elem* __ptr)</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>  <span class="keywordflow">return</span> <a class="code" href="a05253.html#a5ea01f210ea99aee4fe16eb79b5a5460">to_bytes</a>(__ptr, __ptr+wide_string::traits_type::length(__ptr));</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>  byte_string</div><div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="a05253.html#a9112609c7da47cc6ec1d285d3c3a3498"> 277</a></span>  <a class="code" href="a05253.html#a9112609c7da47cc6ec1d285d3c3a3498">to_bytes</a>(<span class="keyword">const</span> wide_string& __wstr)</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">auto</span> __ptr = __wstr.<a class="code" href="a04189.html#a7998fb98c9eddd604864547d4ed4a80f">data</a>();</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">return</span> <a class="code" href="a05253.html#a5ea01f210ea99aee4fe16eb79b5a5460">to_bytes</a>(__ptr, __ptr + __wstr.<a class="code" href="a04189.html#a676f896c88073521cfac7aab5f3da5af">size</a>());</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  byte_string</div><div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="a05253.html#aa74109db15f1b0b78ac63ef3ed9693f7"> 284</a></span>  <a class="code" href="a05253.html#aa74109db15f1b0b78ac63ef3ed9693f7">to_bytes</a>(<span class="keyword">const</span> _Elem* __first, <span class="keyword">const</span> _Elem* __last)</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  {</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (!_M_with_cvtstate)</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  _M_state = state_type();</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  byte_string __out{ _M_byte_err_string.<a class="code" href="a04189.html#ac74bf867dd0c370a371d27715417037d">get_allocator</a>() };</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span> (__str_codecvt_out(__first, __last, __out, *_M_cvt, _M_state,</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  _M_count))</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> __out;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (_M_with_strings)</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> _M_byte_err_string;</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  __throw_range_error(<span class="stringliteral">"wstring_convert::to_bytes"</span>);</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }<span class="comment"></span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> /// @}</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"></span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// 2174. wstring_convert::converted() should be noexcept</span><span class="comment"></span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> /// The number of elements successfully converted in the last conversion.</span></div><div class="line"><a name="l00301"></a><span class="lineno"><a class="line" href="a05253.html#a06c03e1e866769c8165776f85cc02fb7"> 301</a></span> <span class="comment"></span> <span class="keywordtype">size_t</span> <a class="code" href="a05253.html#a06c03e1e866769c8165776f85cc02fb7">converted</a>() const noexcept { <span class="keywordflow">return</span> _M_count; }</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"></span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> /// The final conversion state of the last conversion.</span></div><div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="a05253.html#abd1382f21442adec3f9935d023017871"> 304</a></span> <span class="comment"></span> state_type <a class="code" href="a05253.html#abd1382f21442adec3f9935d023017871">state</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _M_state; }</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="a06853.html">unique_ptr<_Codecvt></a> _M_cvt;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  byte_string _M_byte_err_string;</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  wide_string _M_wide_err_string;</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  state_type _M_state = state_type();</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordtype">size_t</span> _M_count = 0;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">bool</span> _M_with_cvtstate = <span class="keyword">false</span>;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordtype">bool</span> _M_with_strings = <span class="keyword">false</span>;</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> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> _GLIBCXX_END_NAMESPACE_CXX11</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"></span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"> /// Buffer conversions</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Codecvt, <span class="keyword">typename</span> _Elem = wchar_t,</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keyword">typename</span> _Tr = <a class="code" href="a04529.html">char_traits<_Elem></a>></div><div class="line"><a name="l00321"></a><span class="lineno"><a class="line" href="a05257.html"> 321</a></span>  <span class="keyword">class </span><a class="code" href="a05257.html">wbuffer_convert</a> : <span class="keyword">public</span> <a class="code" href="a02877.html">basic_streambuf</a><_Elem, _Tr></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  {</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keyword">typedef</span> <a class="code" href="a02877.html">basic_streambuf<_Elem, _Tr></a> <a class="code" href="a02877.html">_Wide_streambuf</a>;</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Codecvt::state_type state_type;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"></span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> /** Default constructor.</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> *</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> * @param __bytebuf The underlying byte stream buffer.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> * @param __pcvt The facet to use for conversions.</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> * @param __state Initial conversion state.</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> *</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> * Takes ownership of @p __pcvt and will delete it in the destructor.</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> */</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00337"></a><span class="lineno"><a class="line" href="a05257.html#aeebee6394d9457c58d3a1a3a759d4ad4"> 337</a></span>  <a class="code" href="a05257.html#aeebee6394d9457c58d3a1a3a759d4ad4">wbuffer_convert</a>(<a class="code" href="a02877.html">streambuf</a>* __bytebuf = 0, _Codecvt* __pcvt = <span class="keyword">new</span> _Codecvt,</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  state_type __state = state_type())</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  : _M_buf(__bytebuf), _M_cvt(__pcvt), _M_state(__state)</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  {</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">if</span> (!_M_cvt)</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  __throw_logic_error(<span class="stringliteral">"wbuffer_convert"</span>);</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>  _M_always_noconv = _M_cvt->always_noconv();</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">if</span> (_M_buf)</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  {</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  this->setp(_M_put_area, _M_put_area + _S_buffer_length);</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  this->setg(_M_get_area + _S_putback_length,</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  _M_get_area + _S_putback_length,</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  _M_get_area + _S_putback_length);</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"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  ~<a class="code" href="a05257.html">wbuffer_convert</a>() = <span class="keywordflow">default</span>;</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>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="comment">// 2176. Special members for wstring_convert and wbuffer_convert</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <a class="code" href="a05257.html">wbuffer_convert</a>(<span class="keyword">const</span> <a class="code" href="a05257.html">wbuffer_convert</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <a class="code" href="a05257.html">wbuffer_convert</a>& operator=(<span class="keyword">const</span> <a class="code" href="a05257.html">wbuffer_convert</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <a class="code" href="a02877.html">streambuf</a>* rdbuf() <span class="keyword">const</span> noexcept { <span class="keywordflow">return</span> _M_buf; }</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>  <a class="code" href="a02877.html">streambuf</a>*</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  rdbuf(<a class="code" href="a02877.html">streambuf</a> *__bytebuf) noexcept</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  {</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keyword">auto</span> __prev = _M_buf;</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  _M_buf = __bytebuf;</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> __prev;</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> <span class="comment"></span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> /// The conversion state following the last conversion.</span></div><div class="line"><a name="l00373"></a><span class="lineno"><a class="line" href="a05257.html#a9d0d2e818e6d6cc0b32e86c984561e6f"> 373</a></span> <span class="comment"></span> state_type <a class="code" href="a05257.html#a9d0d2e818e6d6cc0b32e86c984561e6f">state</a>() const noexcept { <span class="keywordflow">return</span> _M_state; }</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>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordtype">int</span></div><div class="line"><a name="l00377"></a><span class="lineno"><a class="line" href="a05257.html#aba9f090cf1273168ea80a024419dab92"> 377</a></span>  <a class="code" href="a05257.html#aba9f090cf1273168ea80a024419dab92">sync</a>()</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  { <span class="keywordflow">return</span> _M_buf && _M_conv_put() && !_M_buf->pubsync() ? 0 : -1; }</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keyword">typename</span> <a class="code" href="a02877.html#a1c1565d5b66e703de4d9a8aef4957a8b">_Wide_streambuf::int_type</a></div><div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="a05257.html#aff5d3070a9dd1b319ec0c8cb47d202dd"> 381</a></span>  <a class="code" href="a05257.html#aff5d3070a9dd1b319ec0c8cb47d202dd">overflow</a>(<span class="keyword">typename</span> <a class="code" href="a02877.html#a1c1565d5b66e703de4d9a8aef4957a8b">_Wide_streambuf::int_type</a> __out)</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  {</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">if</span> (!_M_buf || !_M_conv_put())</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">return</span> _Tr::eof();</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!_Tr::eq_int_type(__out, _Tr::eof()))</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">return</span> this->sputc(__out);</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">return</span> _Tr::not_eof(__out);</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keyword">typename</span> <a class="code" href="a02877.html#a1c1565d5b66e703de4d9a8aef4957a8b">_Wide_streambuf::int_type</a></div><div class="line"><a name="l00391"></a><span class="lineno"><a class="line" href="a05257.html#a97e246ca437e006102d2cc72da58d6c4"> 391</a></span>  <a class="code" href="a05257.html#a97e246ca437e006102d2cc72da58d6c4">underflow</a>()</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  {</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">if</span> (!_M_buf)</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">return</span> _Tr::eof();</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (this->gptr() < this->egptr() || (_M_buf && _M_conv_get()))</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">return</span> _Tr::to_int_type(*this->gptr());</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">return</span> _Tr::eof();</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> </div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  xsputn(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="a02877.html#a38ad1721a50a96c7d37d51a3f858a0cf">_Wide_streambuf::char_type</a>* __s, <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __n)</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>  <span class="keywordflow">if</span> (!_M_buf || __n == 0)</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __done = 0;</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">do</span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  {</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keyword">auto</span> __nn = std::min<streamsize>(this->epptr() - this->pptr(),</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  __n - __done);</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  _Tr::copy(this->pptr(), __s + __done, __nn);</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  this->pbump(__nn);</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  __done += __nn;</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  } <span class="keywordflow">while</span> (__done < __n && _M_conv_put());</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> __done;</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> </div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// fill the get area from converted contents of the byte stream buffer</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  _M_conv_get()</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keyword">const</span> <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __pb1 = this->gptr() - this->eback();</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keyword">const</span> <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __pb2 = _S_putback_length;</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keyword">const</span> <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __npb = <a class="code" href="a01436.html#gad48656de2f272a953455e1fff2532125">std::min</a>(__pb1, __pb2);</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  _Tr::move(_M_get_area + _S_putback_length - __npb,</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  this->gptr() - __npb, __npb);</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __nbytes = <span class="keyword">sizeof</span>(_M_get_buf) - _M_unconv;</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  __nbytes = <a class="code" href="a01436.html#gad48656de2f272a953455e1fff2532125">std::min</a>(__nbytes, _M_buf->in_avail());</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">if</span> (__nbytes < 1)</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  __nbytes == 1;</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  __nbytes = _M_buf->sgetn(_M_get_buf + _M_unconv, __nbytes);</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span> (__nbytes < 1)</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  __nbytes += _M_unconv;</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="comment">// convert _M_get_buf into _M_get_area</span></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>  _Elem* __outbuf = _M_get_area + _S_putback_length;</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  _Elem* __outnext = __outbuf;</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* __bnext = _M_get_buf;</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  codecvt_base::result __result;</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (_M_always_noconv)</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  __result = codecvt_base::noconv;</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  {</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  _Elem* __outend = _M_get_area + _S_buffer_length;</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>  __result = _M_cvt->in(_M_state,</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  __bnext, __bnext + __nbytes, __bnext,</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  __outbuf, __outend, __outnext);</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="keywordflow">if</span> (__result == codecvt_base::noconv)</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>  <span class="comment">// cast is safe because noconv means _Elem is same type as char</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keyword">auto</span> __get_buf = <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>_Elem*<span class="keyword">></span>(_M_get_buf);</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  _Tr::copy(__outbuf, __get_buf, __nbytes);</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  _M_unconv = 0;</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> ((_M_unconv = _M_get_buf + __nbytes - __bnext))</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <a class="code" href="a04529.html">char_traits<char>::move</a>(_M_get_buf, __bnext, _M_unconv);</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> </div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  this->setg(__outbuf, __outbuf, __outnext);</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> </div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">return</span> __result != codecvt_base::error;</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> </div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// unused</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  _M_put(...)</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> </div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  _M_put(<span class="keyword">const</span> <span class="keywordtype">char</span>* __p, <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __n)</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  {</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">if</span> (_M_buf->sputn(__p, __n) < __n)</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> </div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="comment">// convert the put area and write to the byte stream buffer</span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  _M_conv_put()</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  {</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  _Elem* <span class="keyword">const</span> __first = this->pbase();</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keyword">const</span> _Elem* <span class="keyword">const</span> __last = this->pptr();</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keyword">const</span> <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __pending = __last - __first;</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> </div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">if</span> (_M_always_noconv)</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">return</span> _M_put(__first, __pending);</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="keywordtype">char</span> __outbuf[2 * _S_buffer_length];</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">const</span> _Elem* __next = __first;</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">const</span> _Elem* __start;</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">do</span></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>  __start = __next;</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordtype">char</span>* __outnext = __outbuf;</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordtype">char</span>* <span class="keyword">const</span> __outlast = __outbuf + <span class="keyword">sizeof</span>(__outbuf);</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keyword">auto</span> __result = _M_cvt->out(_M_state, __next, __last, __next,</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  __outnext, __outlast, __outnext);</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">if</span> (__result == codecvt_base::error)</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (__result == codecvt_base::noconv)</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">return</span> _M_put(__next, __pending);</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> (!_M_put(__outbuf, __outnext - __outbuf))</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  }</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">while</span> (__next != __last && __next != __start);</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>  <span class="keywordflow">if</span> (__next != __last)</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  _Tr::move(__first, __next, __last - __next);</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span> </div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  this->pbump(__first - __next);</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">return</span> __next != __first;</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  }</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>  <a class="code" href="a02877.html">streambuf</a>* _M_buf;</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <a class="code" href="a06853.html">unique_ptr<_Codecvt></a> _M_cvt;</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  state_type _M_state;</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span> </div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> _S_buffer_length = 32;</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> _S_putback_length = 3;</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  _Elem _M_put_area[_S_buffer_length];</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  _Elem _M_get_area[_S_buffer_length];</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <a class="code" href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> _M_unconv = 0;</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordtype">char</span> _M_get_buf[_S_buffer_length-_S_putback_length];</div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordtype">bool</span> _M_always_noconv;</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  };</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> <span class="preprocessor">#endif // _GLIBCXX_USE_WCHAR_T</span></div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment"></span></div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment"> /// @} group locales</span></div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="comment"></span></div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="preprocessor">#endif // __cplusplus</span></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="preprocessor">#endif </span><span class="comment">/* _LOCALE_CONV_H */</span><span class="preprocessor"></span></div><div class="ttc" id="a05253_html_a5ea01f210ea99aee4fe16eb79b5a5460"><div class="ttname"><a href="a05253.html#a5ea01f210ea99aee4fe16eb79b5a5460">std::wstring_convert::to_bytes</a></div><div class="ttdeci">byte_string to_bytes(_Elem __wchar)</div><div class="ttdoc">Convert to bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00264">locale_conv.h:264</a></div></div> <div class="ttc" id="a01487_html_a05eef5582eb5de62b76db4916f7adb84"><div class="ttname"><a href="a01487.html#a05eef5582eb5de62b76db4916f7adb84">std::streamsize</a></div><div class="ttdeci">ptrdiff_t streamsize</div><div class="ttdoc">Integral type for I/O operation counts and buffer sizes. </div><div class="ttdef"><b>Definition:</b> <a href="a00410_source.html#l00098">postypes.h:98</a></div></div> <div class="ttc" id="a05253_html_abd8e388d1f5e74cfaf824f8971bfb6dd"><div class="ttname"><a href="a05253.html#abd8e388d1f5e74cfaf824f8971bfb6dd">std::wstring_convert::from_bytes</a></div><div class="ttdeci">wide_string from_bytes(const char *__ptr)</div><div class="ttdoc">Convert from bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00237">locale_conv.h:237</a></div></div> <div class="ttc" id="a04189_html_a676f896c88073521cfac7aab5f3da5af"><div class="ttname"><a href="a04189.html#a676f896c88073521cfac7aab5f3da5af">std::basic_string::size</a></div><div class="ttdeci">size_type size() const noexcept</div><div class="ttdoc">Returns the number of characters in the string, not including any null-termination. </div><div class="ttdef"><b>Definition:</b> <a href="a00281_source.html#l03214">basic_string.h:3214</a></div></div> <div class="ttc" id="a05253_html_a5adef5a1030829016c2afe669a5d335f"><div class="ttname"><a href="a05253.html#a5adef5a1030829016c2afe669a5d335f">std::wstring_convert::from_bytes</a></div><div class="ttdeci">wide_string from_bytes(char __byte)</div><div class="ttdoc">Convert from bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00230">locale_conv.h:230</a></div></div> <div class="ttc" id="a05253_html_aa74109db15f1b0b78ac63ef3ed9693f7"><div class="ttname"><a href="a05253.html#aa74109db15f1b0b78ac63ef3ed9693f7">std::wstring_convert::to_bytes</a></div><div class="ttdeci">byte_string to_bytes(const _Elem *__first, const _Elem *__last)</div><div class="ttdoc">Convert to bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00284">locale_conv.h:284</a></div></div> <div class="ttc" id="a05253_html_a7a955d4914f3262ae49ad762c63e54ca"><div class="ttname"><a href="a05253.html#a7a955d4914f3262ae49ad762c63e54ca">std::wstring_convert::to_bytes</a></div><div class="ttdeci">byte_string to_bytes(const _Elem *__ptr)</div><div class="ttdoc">Convert to bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00271">locale_conv.h:271</a></div></div> <div class="ttc" id="a04553_html_a38117d39e9725f52735f51f4f4b72354"><div class="ttname"><a href="a04553.html#a38117d39e9725f52735f51f4f4b72354">std::__codecvt_abstract_base::in</a></div><div class="ttdeci">result in(state_type &__state, const extern_type *__from, const extern_type *__from_end, const extern_type *&__from_next, intern_type *__to, intern_type *__to_end, intern_type *&__to_next) const</div><div class="ttdoc">Convert from external to internal character set. </div><div class="ttdef"><b>Definition:</b> <a href="a00299_source.html#l00196">codecvt.h:196</a></div></div> <div class="ttc" id="a05257_html_aba9f090cf1273168ea80a024419dab92"><div class="ttname"><a href="a05257.html#aba9f090cf1273168ea80a024419dab92">std::wbuffer_convert::sync</a></div><div class="ttdeci">int sync()</div><div class="ttdoc">Synchronizes the buffer arrays with the controlled sequences. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00377">locale_conv.h:377</a></div></div> <div class="ttc" id="a00143_html"><div class="ttname"><a href="a00143.html">streambuf</a></div></div> <div class="ttc" id="a00299_html"><div class="ttname"><a href="a00299.html">codecvt.h</a></div></div> <div class="ttc" id="a05257_html_a9d0d2e818e6d6cc0b32e86c984561e6f"><div class="ttname"><a href="a05257.html#a9d0d2e818e6d6cc0b32e86c984561e6f">std::wbuffer_convert::state</a></div><div class="ttdeci">state_type state() const noexcept</div><div class="ttdoc">The conversion state following the last conversion. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00373">locale_conv.h:373</a></div></div> <div class="ttc" id="a01436_html_gad48656de2f272a953455e1fff2532125"><div class="ttname"><a href="a01436.html#gad48656de2f272a953455e1fff2532125">std::min</a></div><div class="ttdeci">_GLIBCXX14_CONSTEXPR const _Tp & min(const _Tp &, const _Tp &)</div><div class="ttdoc">This does what you think it does. </div><div class="ttdef"><b>Definition:</b> <a href="a00485_source.html#l00195">stl_algobase.h:195</a></div></div> <div class="ttc" id="a04189_html_ac74bf867dd0c370a371d27715417037d"><div class="ttname"><a href="a04189.html#ac74bf867dd0c370a371d27715417037d">std::basic_string::get_allocator</a></div><div class="ttdeci">allocator_type get_allocator() const noexcept</div><div class="ttdoc">Return copy of allocator used to construct this string. </div><div class="ttdef"><b>Definition:</b> <a href="a00281_source.html#l04328">basic_string.h:4328</a></div></div> <div class="ttc" id="a00263_html"><div class="ttname"><a href="a00263.html">allocator.h</a></div></div> <div class="ttc" id="a00290_html"><div class="ttname"><a href="a00290.html">c++0x_warning.h</a></div></div> <div class="ttc" id="a01487_html"><div class="ttname"><a href="a01487.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std. </div></div> <div class="ttc" id="a05253_html_ab1176fe15be7975d9e57184c8d8d7e3e"><div class="ttname"><a href="a05253.html#ab1176fe15be7975d9e57184c8d8d7e3e">std::wstring_convert::from_bytes</a></div><div class="ttdeci">wide_string from_bytes(const char *__first, const char *__last)</div><div class="ttdoc">Convert from bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00248">locale_conv.h:248</a></div></div> <div class="ttc" id="a04189_html_a7998fb98c9eddd604864547d4ed4a80f"><div class="ttname"><a href="a04189.html#a7998fb98c9eddd604864547d4ed4a80f">std::basic_string::data</a></div><div class="ttdeci">const _CharT * data() const noexcept</div><div class="ttdoc">Return const pointer to contents. </div><div class="ttdef"><b>Definition:</b> <a href="a00281_source.html#l04321">basic_string.h:4321</a></div></div> <div class="ttc" id="a05257_html"><div class="ttname"><a href="a05257.html">std::wbuffer_convert</a></div><div class="ttdoc">Buffer conversions. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00321">locale_conv.h:321</a></div></div> <div class="ttc" id="a05253_html_a06c03e1e866769c8165776f85cc02fb7"><div class="ttname"><a href="a05253.html#a06c03e1e866769c8165776f85cc02fb7">std::wstring_convert::converted</a></div><div class="ttdeci">size_t converted() const noexcept</div><div class="ttdoc">The number of elements successfully converted in the last conversion. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00301">locale_conv.h:301</a></div></div> <div class="ttc" id="a04529_html"><div class="ttname"><a href="a04529.html">std::char_traits</a></div><div class="ttdoc">Basis for explicit traits specializations. </div><div class="ttdef"><b>Definition:</b> <a href="a00296_source.html#l00227">char_traits.h:227</a></div></div> <div class="ttc" id="a00566_html"><div class="ttname"><a href="a00566.html">stringfwd.h</a></div></div> <div class="ttc" id="a02877_html_a1c1565d5b66e703de4d9a8aef4957a8b"><div class="ttname"><a href="a02877.html#a1c1565d5b66e703de4d9a8aef4957a8b">std::basic_streambuf< _Elem, _Tr >::int_type</a></div><div class="ttdeci">traits_type::int_type int_type</div><div class="ttdef"><b>Definition:</b> <a href="a00143_source.html#l00131">streambuf:131</a></div></div> <div class="ttc" id="a05253_html_aa7882cf7b53baff7d6d2cf9ca3386b3a"><div class="ttname"><a href="a05253.html#aa7882cf7b53baff7d6d2cf9ca3386b3a">std::wstring_convert::wstring_convert</a></div><div class="ttdeci">wstring_convert(const byte_string &__byte_err, const wide_string &__wide_err=wide_string())</div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00211">locale_conv.h:211</a></div></div> <div class="ttc" id="a05253_html"><div class="ttname"><a href="a05253.html">std::wstring_convert</a></div><div class="ttdoc">String conversions. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00169">locale_conv.h:169</a></div></div> <div class="ttc" id="a05257_html_aeebee6394d9457c58d3a1a3a759d4ad4"><div class="ttname"><a href="a05257.html#aeebee6394d9457c58d3a1a3a759d4ad4">std::wbuffer_convert::wbuffer_convert</a></div><div class="ttdeci">wbuffer_convert(streambuf *__bytebuf=0, _Codecvt *__pcvt=new _Codecvt, state_type __state=state_type())</div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00337">locale_conv.h:337</a></div></div> <div class="ttc" id="a05253_html_abd1382f21442adec3f9935d023017871"><div class="ttname"><a href="a05253.html#abd1382f21442adec3f9935d023017871">std::wstring_convert::state</a></div><div class="ttdeci">state_type state() const</div><div class="ttdoc">The final conversion state of the last conversion. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00304">locale_conv.h:304</a></div></div> <div class="ttc" id="a06853_html"><div class="ttname"><a href="a06853.html">std::unique_ptr< _Codecvt ></a></div></div> <div class="ttc" id="a02877_html_a38ad1721a50a96c7d37d51a3f858a0cf"><div class="ttname"><a href="a02877.html#a38ad1721a50a96c7d37d51a3f858a0cf">std::basic_streambuf< _Elem, _Tr >::char_type</a></div><div class="ttdeci">_Elem char_type</div><div class="ttdef"><b>Definition:</b> <a href="a00143_source.html#l00129">streambuf:129</a></div></div> <div class="ttc" id="a05253_html_af35796c796e1d9df713e0dd9fafea066"><div class="ttname"><a href="a05253.html#af35796c796e1d9df713e0dd9fafea066">std::wstring_convert::from_bytes</a></div><div class="ttdeci">wide_string from_bytes(const byte_string &__str)</div><div class="ttdoc">Convert from bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00241">locale_conv.h:241</a></div></div> <div class="ttc" id="a00572_html"><div class="ttname"><a href="a00572.html">unique_ptr.h</a></div></div> <div class="ttc" id="a05253_html_ac63cbe7aac1dc89a72e1e40134545d41"><div class="ttname"><a href="a05253.html#ac63cbe7aac1dc89a72e1e40134545d41">std::wstring_convert::wstring_convert</a></div><div class="ttdeci">wstring_convert(_Codecvt *__pcvt, state_type __state)</div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00198">locale_conv.h:198</a></div></div> <div class="ttc" id="a04553_html_a3a2b1f2da1bc0d89ccd1eceaa66bb79f"><div class="ttname"><a href="a04553.html#a3a2b1f2da1bc0d89ccd1eceaa66bb79f">std::__codecvt_abstract_base::out</a></div><div class="ttdeci">result out(state_type &__state, const intern_type *__from, const intern_type *__from_end, const intern_type *&__from_next, extern_type *__to, extern_type *__to_end, extern_type *&__to_next) const</div><div class="ttdoc">Convert from internal to external character set. </div><div class="ttdef"><b>Definition:</b> <a href="a00299_source.html#l00116">codecvt.h:116</a></div></div> <div class="ttc" id="a05253_html_ae3631014b5f2535fb0efa101fbc7193e"><div class="ttname"><a href="a05253.html#ae3631014b5f2535fb0efa101fbc7193e">std::wstring_convert::wstring_convert</a></div><div class="ttdeci">wstring_convert(_Codecvt *__pcvt=new _Codecvt())</div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00184">locale_conv.h:184</a></div></div> <div class="ttc" id="a05257_html_a97e246ca437e006102d2cc72da58d6c4"><div class="ttname"><a href="a05257.html#a97e246ca437e006102d2cc72da58d6c4">std::wbuffer_convert::underflow</a></div><div class="ttdeci">_Wide_streambuf::int_type underflow()</div><div class="ttdoc">Fetches more data from the controlled sequence. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00391">locale_conv.h:391</a></div></div> <div class="ttc" id="a04189_html"><div class="ttname"><a href="a04189.html">std::basic_string</a></div><div class="ttdoc">Managing sequences of characters and character-like objects. </div><div class="ttdef"><b>Definition:</b> <a href="a00281_source.html#l02603">basic_string.h:2603</a></div></div> <div class="ttc" id="a05253_html_a9112609c7da47cc6ec1d285d3c3a3498"><div class="ttname"><a href="a05253.html#a9112609c7da47cc6ec1d285d3c3a3498">std::wstring_convert::to_bytes</a></div><div class="ttdeci">byte_string to_bytes(const wide_string &__wstr)</div><div class="ttdoc">Convert to bytes. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00277">locale_conv.h:277</a></div></div> <div class="ttc" id="a05257_html_aff5d3070a9dd1b319ec0c8cb47d202dd"><div class="ttname"><a href="a05257.html#aff5d3070a9dd1b319ec0c8cb47d202dd">std::wbuffer_convert::overflow</a></div><div class="ttdeci">_Wide_streambuf::int_type overflow(typename _Wide_streambuf::int_type __out)</div><div class="ttdoc">Consumes data from the buffer; writes to the controlled sequence. </div><div class="ttdef"><b>Definition:</b> <a href="a00371_source.html#l00381">locale_conv.h:381</a></div></div> <div class="ttc" id="a02877_html"><div class="ttname"><a href="a02877.html">std::basic_streambuf</a></div><div class="ttdoc">The actual work of input and output (interface). </div><div class="ttdef"><b>Definition:</b> <a href="a00077_source.html#l00080">iosfwd:80</a></div></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_3a83f109ff04170a1f8448445d1bdcba.html">include</a></li><li class="navelem"><a class="el" href="dir_599c955538774c0249d4ddd97c0a9ae8.html">bits</a></li><li class="navelem"><a class="el" href="a00371.html">locale_conv.h</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" 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