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<a href="a00140.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">// String based streams -*- 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) 1997-2018 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 include/sstream</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is a Standard C++ Library header.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">//</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// ISO C++ 14882: 27.7 String-based streams</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">//</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">#ifndef _GLIBCXX_SSTREAM</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#define _GLIBCXX_SSTREAM 1</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#pragma GCC system_header</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="a00089.html">istream</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="a00116.html">ostream</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a> _GLIBCXX_VISIBILITY(default)</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> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> _GLIBCXX_BEGIN_NAMESPACE_CXX11</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// [27.7.1] template class basic_stringbuf</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"> * @brief The actual work of input and output (for std::string).</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * @ingroup io</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> <span class="comment"> * @tparam _CharT Type of character stream.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * char_traits<_CharT>.</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> *</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * This class associates either or both of its input and output sequences</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * with a sequence of characters, which can be initialized from, or made</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * available as, a @c std::basic_string. (Paraphrased from [27.7.1]/1.)</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> *</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * For this class, open modes (of type @c ios_base::openmode) have</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * @c in set if the input sequence can be read, and @c out set if the</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> * output sequence can be written.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> */</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">class </span>basic_stringbuf : <span class="keyword">public</span> basic_streambuf<_CharT, _Traits></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">struct </span>__xfer_bufptrs;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Types:</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">typedef</span> _CharT char_type;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">typedef</span> _Traits traits_type;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_type;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::off_type off_type;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">typedef</span> basic_streambuf<char_type, traits_type> __streambuf_type;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">typedef</span> basic_string<char_type, _Traits, _Alloc> __string_type;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> __string_type::size_type __size_type;</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="keyword">protected</span>:<span class="comment"></span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> /// Place to stash in || out || in | out settings for current stringbuf.</span></div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b"> 85</a></span> <span class="comment"></span> ios_base::openmode <a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Data Members:</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="a04768.html">__string_type</a> _M_string;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// Constructors:</span><span class="comment"></span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> /**</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * @brief Starts with an empty string buffer.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> *</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> * The default constructor initializes the parent class using its</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> * own default ctor.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> */</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="a02468.html#a19b9cff5db05affb68557688c6130409"> 100</a></span>  <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>(ios_base::openmode __mode = <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  : <a class="code" href="a02452.html">__streambuf_type</a>(), <a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>(__mode), _M_string()</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"></span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> /**</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * @brief Starts with an existing string buffer.</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> *</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> * This constructor initializes the parent class using its</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> * own default ctor.</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> */</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="a02468.html#a37b53ee2a13c652e61c4db6cc1f47b51"> 113</a></span>  <a class="code" href="a02468.html#a37b53ee2a13c652e61c4db6cc1f47b51">basic_stringbuf</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __str,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ios_base::openmode __mode = <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  : <a class="code" href="a02452.html">__streambuf_type</a>(), <a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>(),</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  _M_string(__str.data(), __str.size(), __str.get_allocator())</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  { _M_stringbuf_init(__mode); }</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>(<span class="keyword">const</span> <a class="code" href="a02468.html">basic_stringbuf</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>(<a class="code" href="a02468.html">basic_stringbuf</a>&& __rhs)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  : <a class="code" href="a02468.html">basic_stringbuf</a>(<a class="code" href="a01538.html">std</a>::move(__rhs), __xfer_bufptrs(__rhs, this))</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  { __rhs._M_sync(const_cast<char_type*>(__rhs._M_string.data()), 0, 0); }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// 27.8.2.2 Assign and swap:</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>&</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  operator=(<span class="keyword">const</span> <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>&) = <span class="keyword">delete</span>;</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>  <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>&</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  operator=(<a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>&& __rhs)</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  __xfer_bufptrs __st{__rhs, <span class="keyword">this</span>};</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">const</span> __streambuf_type& __base = __rhs;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  __streambuf_type::operator=(__base);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  this-><a class="code" href="a02452.html#a8e7a46a08c85184d8b6ea1e5d87b7736">pubimbue</a>(__rhs.getloc());</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> = __rhs._M_mode;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  _M_string = std::move(__rhs._M_string);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  __rhs._M_sync(const_cast<char_type*>(__rhs._M_string.data()), 0, 0);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="a01538.html#a85a913837de066af6c23b0f4f28e02a0">swap</a>(<a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>& __rhs)</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  __xfer_bufptrs __l_st{*<span class="keyword">this</span>, <a class="code" href="a01477.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__rhs)};</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  __xfer_bufptrs __r_st{__rhs, <span class="keyword">this</span>};</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  __streambuf_type& __base = __rhs;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="a01538.html#a85a913837de066af6c23b0f4f28e02a0">__streambuf_type::swap</a>(__base);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  __rhs.pubimbue(this-><a class="code" href="a02452.html#a8e7a46a08c85184d8b6ea1e5d87b7736">pubimbue</a>(__rhs.getloc()));</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  std::swap(<a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>, __rhs._M_mode);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  std::swap(_M_string, __rhs._M_string);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Get and set:</span><span class="comment"></span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> /**</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * @brief Copying out the string buffer.</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * @return A copy of one of the underlying sequences.</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> *</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> * <em>If the buffer is only created in input mode, the underlying</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> * character sequence is equal to the input sequence; otherwise, it</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * is equal to the output sequence.</em> [27.7.1.2]/1</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> */</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  __string_type</div><div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="a02468.html#a710ce01324037dd8787cde291a3608e0"> 167</a></span>  <a class="code" href="a02468.html#a710ce01324037dd8787cde291a3608e0">str</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="a04768.html">__string_type</a> __ret(_M_string.<a class="code" href="a04768.html#ac74bf867dd0c370a371d27715417037d">get_allocator</a>());</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>())</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// The current egptr() may not be the actual string end.</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>() > this-><a class="code" href="a02452.html#ad02de7bae6f055a7b112aeef35a08d9b">egptr</a>())</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  __ret.<a class="code" href="a04768.html#a40c0c4216ddc30d2d77595a0af24e0a6">assign</a>(this->pbase(), this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>());</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  __ret.<a class="code" href="a04768.html#a40c0c4216ddc30d2d77595a0af24e0a6">assign</a>(this-><a class="code" href="a02452.html#a3feb8a3ab9393e19d53e0712af6a27e2">pbase</a>(), this-><a class="code" href="a02452.html#ad02de7bae6f055a7b112aeef35a08d9b">egptr</a>());</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  __ret = _M_string;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> __ret;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</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="comment"> /**</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> * @brief Setting a new buffer.</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * @param __s The string to use as a new sequence.</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> *</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> * Deallocates any previous stored sequence, then copies @a s to</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"> * use as a new one.</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="keywordtype">void</span></div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="a02468.html#a54d0b95ccabadaa97884f3c54f1943d2"> 191</a></span>  <a class="code" href="a02468.html#a54d0b95ccabadaa97884f3c54f1943d2">str</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __s)</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  {</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// Cannot use _M_string = __s, since v3 strings are COW</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// (not always true now but assign() always works).</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  _M_string.<a class="code" href="a04768.html#a40c0c4216ddc30d2d77595a0af24e0a6">assign</a>(__s.<a class="code" href="a04768.html#a7998fb98c9eddd604864547d4ed4a80f">data</a>(), __s.<a class="code" href="a04768.html#a676f896c88073521cfac7aab5f3da5af">size</a>());</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  _M_stringbuf_init(<a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// Common initialization code goes here.</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  _M_stringbuf_init(ios_base::openmode __mode)</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>  <a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> = __mode;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  __size_type __len = 0;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (<a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> & (<a class="code" href="a05796.html#ad22225874e26210dfe11263279587e75">ios_base::ate</a> | <a class="code" href="a05796.html#abc6732e5a0d9dc40b79e2fe6e32e7b09">ios_base::app</a>))</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  __len = _M_string.<a class="code" href="a04768.html#a676f896c88073521cfac7aab5f3da5af">size</a>();</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  _M_sync(const_cast<char_type*>(_M_string.<a class="code" href="a04768.html#a7998fb98c9eddd604864547d4ed4a80f">data</a>()), 0, __len);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  }</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">virtual</span> <a class="code" href="a01538.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a></div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="a02468.html#a24490a3224662a3c57cbb8f591b2acbc"> 212</a></span>  <a class="code" href="a02468.html#a24490a3224662a3c57cbb8f591b2acbc">showmanyc</a>()</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="a01538.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __ret = -1;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (<a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> & <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>)</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>  _M_update_egptr();</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  __ret = this-><a class="code" href="a02452.html#ad02de7bae6f055a7b112aeef35a08d9b">egptr</a>() - this-><a class="code" href="a02452.html#a344bded2a1c24ffcea69a918e7dc6c6f">gptr</a>();</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>  <span class="keywordflow">return</span> __ret;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</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="keyword">virtual</span> int_type</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="a02468.html#a51561fccb6d01fb598c1885de0defc71">underflow</a>();</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">virtual</span> int_type</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  pbackfail(int_type __c = traits_type::eof());</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">virtual</span> int_type</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  overflow(int_type __c = traits_type::eof());</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"></span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> /**</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> * @brief Manipulates the buffer.</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> * @param __s Pointer to a buffer area.</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> * @param __n Size of @a __s.</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> * @return @c this</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> *</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * If no buffer has already been created, and both @a __s and @a __n are</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> * non-zero, then @c __s is used as a buffer; see</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> * https://gcc.gnu.org/onlinedocs/libstdc++/manual/streambufs.html#io.streambuf.buffering</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"> * for more.</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> */</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">virtual</span> __streambuf_type*</div><div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="a02468.html#a3ecbb2133b5c6b598b0344b7cbbe1757"> 244</a></span>  <a class="code" href="a02468.html#a3ecbb2133b5c6b598b0344b7cbbe1757">setbuf</a>(char_type* __s, <a class="code" href="a01538.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __n)</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>  <span class="keywordflow">if</span> (__s && __n >= 0)</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="comment">// This is implementation-defined behavior, and assumes</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// that an external char_type array of length __n exists</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// and has been pre-allocated. If this is not the case,</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">// things will quickly blow up.</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// Step 1: Destroy the current internal array.</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  _M_string.<a class="code" href="a04768.html#aaf800493abc5157b122532f5553c7473">clear</a>();</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// Step 2: Use the external array.</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  _M_sync(__s, __n, 0);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">return</span> <span class="keyword">this</span>;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">virtual</span> pos_type</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="a02468.html#a87ffed7ed9940e5952303b31be0b6a11">seekoff</a>(off_type __off, ios_base::seekdir __way,</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  ios_base::openmode __mode = <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>);</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>  <span class="keyword">virtual</span> pos_type</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="a02468.html#a763bee40dfc04e2ee2816e322c3af297">seekpos</a>(pos_type __sp,</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  ios_base::openmode __mode = <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>);</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>  <span class="comment">// Internal function for correctly updating the internal buffer</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// for a particular _M_string, due to initialization or re-sizing</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// of an existing _M_string.</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  _M_sync(char_type* __base, __size_type __i, __size_type __o);</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="comment">// Internal function for correctly updating egptr() to the actual</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">// string end.</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  _M_update_egptr()</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  {</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> __testin = <a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> & <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>() && this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>() > this-><a class="code" href="a02452.html#ad02de7bae6f055a7b112aeef35a08d9b">egptr</a>())</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  {</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (__testin)</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  this-><a class="code" href="a02452.html#a38c9b562c20b30bf9d21cf0e4dc90356">setg</a>(this-><a class="code" href="a02452.html#aa15c80d916ef8065138eb6bd5b3ae1ef">eback</a>(), this-><a class="code" href="a02452.html#a344bded2a1c24ffcea69a918e7dc6c6f">gptr</a>(), this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>());</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  this-><a class="code" href="a02452.html#a38c9b562c20b30bf9d21cf0e4dc90356">setg</a>(this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>(), this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>(), this-><a class="code" href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">pptr</a>());</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// Works around the issue with pbump, part of the protected</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// interface of basic_streambuf, taking just an int.</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  _M_pbump(char_type* __pbeg, char_type* __pend, off_type __off);</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#if _GLIBCXX_USE_CXX11_ABI</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// This type captures the state of the gptr / pptr pointers as offsets</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// so they can be restored in another object after moving the string.</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">struct </span>__xfer_bufptrs</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  {</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  __xfer_bufptrs(<span class="keyword">const</span> <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>& __from, <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>* __to)</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  : _M_to{__to}, _M_goff{-1, -1, -1}, _M_poff{-1, -1, -1}</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">const</span> _CharT* <span class="keyword">const</span> __str = __from._M_string.data();</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">const</span> _CharT* __end = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span> (__from.eback())</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  {</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  _M_goff[0] = __from.eback() - __str;</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  _M_goff[1] = __from.gptr() - __str;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  _M_goff[2] = __from.egptr() - __str;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  __end = __from.egptr();</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (__from.pbase())</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  _M_poff[0] = __from.pbase() - __str;</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  _M_poff[1] = __from.pptr() - __from.pbase();</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  _M_poff[2] = __from.epptr() - __str;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (__from.pptr() > __end)</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  __end = __from.pptr();</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> </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// Set _M_string length to the greater of the get and put areas.</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (__end)</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  {</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// The const_cast avoids changing this constructor's signature,</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// because it is exported from the dynamic library.</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">auto</span>& __mut_from = const_cast<basic_stringbuf&>(__from);</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  __mut_from._M_string._M_length(__end - __str);</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  ~__xfer_bufptrs()</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  char_type* __str = const_cast<char_type*>(_M_to->_M_string.data());</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span> (_M_goff[0] != -1)</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  _M_to->setg(__str+_M_goff[0], __str+_M_goff[1], __str+_M_goff[2]);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span> (_M_poff[0] != -1)</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  _M_to->_M_pbump(__str+_M_poff[0], __str+_M_poff[2], _M_poff[1]);</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>* _M_to;</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  off_type _M_goff[3];</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  off_type _M_poff[3];</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  };</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// This type does nothing when using Copy-On-Write strings.</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">struct </span>__xfer_bufptrs</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  {</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  __xfer_bufptrs(<span class="keyword">const</span> <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>&, <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>*) { }</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> <span class="preprocessor">#endif</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>  <span class="comment">// The move constructor initializes an __xfer_bufptrs temporary then</span></div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">// delegates to this constructor to performs moves during its lifetime.</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>(<a class="code" href="a02468.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>&& __rhs, __xfer_bufptrs&&)</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  : __streambuf_type(static_cast<const __streambuf_type&>(__rhs)),</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>(__rhs.<a class="code" href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>), _M_string(<a class="code" href="a01538.html">std</a>::move(__rhs._M_string))</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  { }</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  };</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// [27.7.2] Template class basic_istringstream</span><span class="comment"></span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment"> /**</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment"> * @brief Controlling input for std::string.</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment"> * @ingroup io</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"> *</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment"> * @tparam _CharT Type of character stream.</span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> * char_traits<_CharT>.</span></div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment"> *</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment"> * This class supports reading from objects of type std::basic_string,</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="comment"> * using the inherited functions from std::basic_istream. To control</span></div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="comment"> * the associated sequence, an instance of std::basic_stringbuf is used,</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment"> * which this page refers to as @c sb.</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment"> */</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keyword">class </span>basic_istringstream : <span class="keyword">public</span> basic_istream<_CharT, _Traits></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="keyword">public</span>:</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">// Types:</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">typedef</span> _CharT char_type;</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keyword">typedef</span> _Traits traits_type;</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_type;</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::off_type off_type;</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">// Non-standard types:</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">typedef</span> basic_string<_CharT, _Traits, _Alloc> __string_type;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">typedef</span> basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keyword">typedef</span> basic_istream<char_type, traits_type> __istream_type;</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  __stringbuf_type _M_stringbuf;</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>  <span class="keyword">public</span>:</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="comment">// Constructors:</span><span class="comment"></span></div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment"> /**</span></div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment"> * @brief Default constructor starts with an empty string buffer.</span></div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment"> *</span></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment"> * @c ios_base::in is automatically included in @a __mode.</span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"> *</span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment"> * Initializes @c sb using @c __mode|in, and passes @c &sb to the base</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment"> * class initializer. Does not allocate any buffer.</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment"> *</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment"> * string class does its own memory management.</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment"> */</span></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00417"></a><span class="lineno"><a class="line" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59"> 417</a></span>  <a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>(ios_base::openmode __mode = <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>)</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  : <a class="code" href="a02456.html">__istream_type</a>(), _M_stringbuf(__mode | <a class="code" href="a05796.html">ios_base</a>::<a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">in</a>)</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  { this-><a class="code" href="a02448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"></span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment"> /**</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="comment"> * @brief Starts with an existing string buffer.</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="comment"> *</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment"> * @c ios_base::in is automatically included in @a mode.</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment"> *</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> * Initializes @c sb using @a str and @c mode|in, and passes @c &sb</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> * to the base class initializer.</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> *</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"> * string class does its own memory management.</span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment"> */</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00435"></a><span class="lineno"><a class="line" href="a02472.html#a88077d8802d2b04e0ca4d0f5e7f759ed"> 435</a></span>  <a class="code" href="a02472.html#a88077d8802d2b04e0ca4d0f5e7f759ed">basic_istringstream</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __str,</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  ios_base::openmode __mode = <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>)</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  : <a class="code" href="a02456.html">__istream_type</a>(), _M_stringbuf(__str, __mode | <a class="code" href="a05796.html">ios_base</a>::<a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">in</a>)</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  { this-><a class="code" href="a02448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"></span></div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> /**</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> * @brief The destructor does nothing.</span></div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="comment"> *</span></div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"> * The buffer is deallocated by the stringbuf object, not the</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="comment"> * formatting stream.</span></div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="comment"> */</span></div><div class="line"><a name="l00446"></a><span class="lineno"><a class="line" href="a02472.html#a81881e8365e3f3720a00c37cd8a828cd"> 446</a></span>  <a class="code" href="a02472.html#a81881e8365e3f3720a00c37cd8a828cd">~basic_istringstream</a>()</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  { }</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>(<span class="keyword">const</span> <a class="code" href="a02472.html">basic_istringstream</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>(<a class="code" href="a02472.html">basic_istringstream</a>&& __rhs)</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  : __istream_type(<a class="code" href="a01538.html">std</a>::move(__rhs)),</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  _M_stringbuf(<a class="code" href="a01538.html">std</a>::move(__rhs._M_stringbuf))</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  { __istream_type::set_rdbuf(&_M_stringbuf); }</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>  <span class="comment">// 27.8.3.2 Assign and swap:</span></div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>&</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  operator=(<span class="keyword">const</span> <a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> </div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>&</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  operator=(<a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>&& __rhs)</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  {</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  __istream_type::operator=(std::move(__rhs));</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  _M_stringbuf = std::move(__rhs._M_stringbuf);</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  }</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>  <span class="keywordtype">void</span></div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  swap(<a class="code" href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>& __rhs)</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  {</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  __istream_type::swap(__rhs);</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  _M_stringbuf.swap(__rhs._M_stringbuf);</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="comment">// Members:</span><span class="comment"></span></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="comment"> /**</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment"> * @brief Accessing the underlying buffer.</span></div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="comment"> * @return The current basic_stringbuf buffer.</span></div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="comment"> *</span></div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="comment"> * This hides both signatures of std::basic_ios::rdbuf().</span></div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="comment"> */</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  __stringbuf_type*</div><div class="line"><a name="l00486"></a><span class="lineno"><a class="line" href="a02472.html#a095330a0443ef6ad188ede768152c6c4"> 486</a></span>  <a class="code" href="a02472.html#a095330a0443ef6ad188ede768152c6c4">rdbuf</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> const_cast<__stringbuf_type*>(&_M_stringbuf); }</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"></span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> /**</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * @brief Copying out the string buffer.</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> * @return @c rdbuf()->str()</span></div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> */</span></div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  __string_type</div><div class="line"><a name="l00494"></a><span class="lineno"><a class="line" href="a02472.html#a8402e3c2b036fbd4c696b2ab70b49681"> 494</a></span>  <a class="code" href="a02472.html#a8402e3c2b036fbd4c696b2ab70b49681">str</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_stringbuf.str(); }</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment"></span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="comment"> /**</span></div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment"> * @brief Setting a new buffer.</span></div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment"> * @param __s The string to use as a new sequence.</span></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="comment"> *</span></div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment"> * Calls @c rdbuf()->str(s).</span></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="comment"> */</span></div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00504"></a><span class="lineno"><a class="line" href="a02472.html#a4040d59ec2be579cca6a91fb5595553e"> 504</a></span>  <a class="code" href="a02472.html#a4040d59ec2be579cca6a91fb5595553e">str</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __s)</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  { _M_stringbuf.str(__s); }</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  };</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span> </div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="comment">// [27.7.3] Template class basic_ostringstream</span><span class="comment"></span></div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="comment"> /**</span></div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="comment"> * @brief Controlling output for std::string.</span></div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="comment"> * @ingroup io</span></div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment"> *</span></div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="comment"> * @tparam _CharT Type of character stream.</span></div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <span class="comment"> * char_traits<_CharT>.</span></div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span> <span class="comment"> *</span></div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span> <span class="comment"> * This class supports writing to objects of type std::basic_string,</span></div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="comment"> * using the inherited functions from std::basic_ostream. To control</span></div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="comment"> * the associated sequence, an instance of std::basic_stringbuf is used,</span></div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="comment"> * which this page refers to as @c sb.</span></div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="comment"> */</span></div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc></div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keyword">class </span>basic_ostringstream : <span class="keyword">public</span> basic_ostream<_CharT, _Traits></div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  {</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="comment">// Types:</span></div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keyword">typedef</span> _CharT char_type;</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keyword">typedef</span> _Traits traits_type;</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_type;</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::off_type off_type;</div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span> </div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="comment">// Non-standard types:</span></div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keyword">typedef</span> basic_string<_CharT, _Traits, _Alloc> __string_type;</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keyword">typedef</span> basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keyword">typedef</span> basic_ostream<char_type, traits_type> __ostream_type;</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span> </div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  __stringbuf_type _M_stringbuf;</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="comment">// Constructors/destructor:</span><span class="comment"></span></div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="comment"> /**</span></div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="comment"> * @brief Default constructor starts with an empty string buffer.</span></div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="comment"> *</span></div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="comment"> * @c ios_base::out is automatically included in @a mode.</span></div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="comment"> *</span></div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="comment"> * Initializes @c sb using @c mode|out, and passes @c &sb to the base</span></div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span> <span class="comment"> * class initializer. Does not allocate any buffer.</span></div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="comment"> *</span></div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="comment"> * string class does its own memory management.</span></div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="comment"> */</span></div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00561"></a><span class="lineno"><a class="line" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c"> 561</a></span>  <a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>(ios_base::openmode __mode = <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  : <a class="code" href="a02460.html">__ostream_type</a>(), _M_stringbuf(__mode | <a class="code" href="a05796.html">ios_base</a>::<a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">out</a>)</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  { this-><a class="code" href="a02448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="comment"></span></div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="comment"> /**</span></div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="comment"> * @brief Starts with an existing string buffer.</span></div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="comment"> *</span></div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="comment"> * @c ios_base::out is automatically included in @a mode.</span></div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="comment"> *</span></div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="comment"> * Initializes @c sb using @a str and @c mode|out, and passes @c &sb</span></div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="comment"> * to the base class initializer.</span></div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="comment"> *</span></div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="comment"> * string class does its own memory management.</span></div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="comment"> */</span></div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00579"></a><span class="lineno"><a class="line" href="a02476.html#ab86531872ed1bc23cd1951aca4d6fe3d"> 579</a></span>  <a class="code" href="a02476.html#ab86531872ed1bc23cd1951aca4d6fe3d">basic_ostringstream</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __str,</div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  ios_base::openmode __mode = <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  : <a class="code" href="a02460.html">__ostream_type</a>(), _M_stringbuf(__str, __mode | <a class="code" href="a05796.html">ios_base</a>::<a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">out</a>)</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  { this-><a class="code" href="a02448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="comment"></span></div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="comment"> /**</span></div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="comment"> * @brief The destructor does nothing.</span></div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="comment"> *</span></div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="comment"> * The buffer is deallocated by the stringbuf object, not the</span></div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="comment"> * formatting stream.</span></div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span> <span class="comment"> */</span></div><div class="line"><a name="l00590"></a><span class="lineno"><a class="line" href="a02476.html#a158cb1d8aa30780afd86d6f7c046a55c"> 590</a></span>  <a class="code" href="a02476.html#a158cb1d8aa30780afd86d6f7c046a55c">~basic_ostringstream</a>()</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  { }</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>(<span class="keyword">const</span> <a class="code" href="a02476.html">basic_ostringstream</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span> </div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>(<a class="code" href="a02476.html">basic_ostringstream</a>&& __rhs)</div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  : __ostream_type(<a class="code" href="a01538.html">std</a>::move(__rhs)),</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  _M_stringbuf(<a class="code" href="a01538.html">std</a>::move(__rhs._M_stringbuf))</div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  { __ostream_type::set_rdbuf(&_M_stringbuf); }</div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span> </div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="comment">// 27.8.3.2 Assign and swap:</span></div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>&</div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  operator=(<span class="keyword">const</span> <a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span> </div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>&</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  operator=(<a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>&& __rhs)</div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  {</div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  __ostream_type::operator=(std::move(__rhs));</div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  _M_stringbuf = std::move(__rhs._M_stringbuf);</div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span> </div><div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  swap(<a class="code" href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>& __rhs)</div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  {</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  __ostream_type::swap(__rhs);</div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  _M_stringbuf.swap(__rhs._M_stringbuf);</div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  }</div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span> </div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="comment">// Members:</span><span class="comment"></span></div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span> <span class="comment"> /**</span></div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span> <span class="comment"> * @brief Accessing the underlying buffer.</span></div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span> <span class="comment"> * @return The current basic_stringbuf buffer.</span></div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="comment"> *</span></div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="comment"> * This hides both signatures of std::basic_ios::rdbuf().</span></div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="comment"> */</span></div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  __stringbuf_type*</div><div class="line"><a name="l00630"></a><span class="lineno"><a class="line" href="a02476.html#af8c4c9652fcb9c4e94d86cd8210ee679"> 630</a></span>  <a class="code" href="a02476.html#af8c4c9652fcb9c4e94d86cd8210ee679">rdbuf</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> const_cast<__stringbuf_type*>(&_M_stringbuf); }</div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span> <span class="comment"></span></div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="comment"> /**</span></div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span> <span class="comment"> * @brief Copying out the string buffer.</span></div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="comment"> * @return @c rdbuf()->str()</span></div><div class="line"><a name="l00636"></a><span class="lineno"> 636</span> <span class="comment"> */</span></div><div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  __string_type</div><div class="line"><a name="l00638"></a><span class="lineno"><a class="line" href="a02476.html#a5fe89030a53e674de2823d9a8cfec39c"> 638</a></span>  <a class="code" href="a02476.html#a5fe89030a53e674de2823d9a8cfec39c">str</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_stringbuf.str(); }</div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span> <span class="comment"></span></div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="comment"> /**</span></div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span> <span class="comment"> * @brief Setting a new buffer.</span></div><div class="line"><a name="l00643"></a><span class="lineno"> 643</span> <span class="comment"> * @param __s The string to use as a new sequence.</span></div><div class="line"><a name="l00644"></a><span class="lineno"> 644</span> <span class="comment"> *</span></div><div class="line"><a name="l00645"></a><span class="lineno"> 645</span> <span class="comment"> * Calls @c rdbuf()->str(s).</span></div><div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="comment"> */</span></div><div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00648"></a><span class="lineno"><a class="line" href="a02476.html#a1bfbc5ef2c20f06dfbbe8bf046cffa3a"> 648</a></span>  <a class="code" href="a02476.html#a1bfbc5ef2c20f06dfbbe8bf046cffa3a">str</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __s)</div><div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  { _M_stringbuf.str(__s); }</div><div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  };</div><div class="line"><a name="l00651"></a><span class="lineno"> 651</span> </div><div class="line"><a name="l00652"></a><span class="lineno"> 652</span> </div><div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="comment">// [27.7.4] Template class basic_stringstream</span><span class="comment"></span></div><div class="line"><a name="l00654"></a><span class="lineno"> 654</span> <span class="comment"> /**</span></div><div class="line"><a name="l00655"></a><span class="lineno"> 655</span> <span class="comment"> * @brief Controlling input and output for std::string.</span></div><div class="line"><a name="l00656"></a><span class="lineno"> 656</span> <span class="comment"> * @ingroup io</span></div><div class="line"><a name="l00657"></a><span class="lineno"> 657</span> <span class="comment"> *</span></div><div class="line"><a name="l00658"></a><span class="lineno"> 658</span> <span class="comment"> * @tparam _CharT Type of character stream.</span></div><div class="line"><a name="l00659"></a><span class="lineno"> 659</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div><div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="comment"> * char_traits<_CharT>.</span></div><div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div><div class="line"><a name="l00662"></a><span class="lineno"> 662</span> <span class="comment"> *</span></div><div class="line"><a name="l00663"></a><span class="lineno"> 663</span> <span class="comment"> * This class supports reading from and writing to objects of type</span></div><div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="comment"> * std::basic_string, using the inherited functions from</span></div><div class="line"><a name="l00665"></a><span class="lineno"> 665</span> <span class="comment"> * std::basic_iostream. To control the associated sequence, an instance</span></div><div class="line"><a name="l00666"></a><span class="lineno"> 666</span> <span class="comment"> * of std::basic_stringbuf is used, which this page refers to as @c sb.</span></div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span> <span class="comment"> */</span></div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Alloc></div><div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keyword">class </span>basic_stringstream : <span class="keyword">public</span> basic_iostream<_CharT, _Traits></div><div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  {</div><div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="comment">// Types:</span></div><div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keyword">typedef</span> _CharT char_type;</div><div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keyword">typedef</span> _Traits traits_type;</div><div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div><div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div><div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_type;</div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::off_type off_type;</div><div class="line"><a name="l00681"></a><span class="lineno"> 681</span> </div><div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="comment">// Non-standard Types:</span></div><div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keyword">typedef</span> basic_string<_CharT, _Traits, _Alloc> __string_type;</div><div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keyword">typedef</span> basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;</div><div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keyword">typedef</span> basic_iostream<char_type, traits_type> __iostream_type;</div><div class="line"><a name="l00686"></a><span class="lineno"> 686</span> </div><div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  __stringbuf_type _M_stringbuf;</div><div class="line"><a name="l00689"></a><span class="lineno"> 689</span> </div><div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="comment">// Constructors/destructors</span><span class="comment"></span></div><div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="comment"> /**</span></div><div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="comment"> * @brief Default constructor starts with an empty string buffer.</span></div><div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="comment"> * @param __m Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00695"></a><span class="lineno"> 695</span> <span class="comment"> *</span></div><div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="comment"> * Initializes @c sb using the mode from @c __m, and passes @c</span></div><div class="line"><a name="l00697"></a><span class="lineno"> 697</span> <span class="comment"> * &sb to the base class initializer. Does not allocate any</span></div><div class="line"><a name="l00698"></a><span class="lineno"> 698</span> <span class="comment"> * buffer.</span></div><div class="line"><a name="l00699"></a><span class="lineno"> 699</span> <span class="comment"> *</span></div><div class="line"><a name="l00700"></a><span class="lineno"> 700</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div><div class="line"><a name="l00701"></a><span class="lineno"> 701</span> <span class="comment"> * string class does its own memory management.</span></div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="comment"> */</span></div><div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00704"></a><span class="lineno"><a class="line" href="a02480.html#a40b73a4835bc74332079555beec1dda3"> 704</a></span>  <a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>(ios_base::openmode __m = <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a> | <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>)</div><div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  : <a class="code" href="a02464.html">__iostream_type</a>(), _M_stringbuf(__m)</div><div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  { this-><a class="code" href="a02448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div><div class="line"><a name="l00707"></a><span class="lineno"> 707</span> <span class="comment"></span></div><div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="comment"> /**</span></div><div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="comment"> * @brief Starts with an existing string buffer.</span></div><div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div><div class="line"><a name="l00711"></a><span class="lineno"> 711</span> <span class="comment"> * @param __m Whether the buffer can read, or write, or both.</span></div><div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="comment"> *</span></div><div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="comment"> * Initializes @c sb using @a __str and @c __m, and passes @c &sb</span></div><div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="comment"> * to the base class initializer.</span></div><div class="line"><a name="l00715"></a><span class="lineno"> 715</span> <span class="comment"> *</span></div><div class="line"><a name="l00716"></a><span class="lineno"> 716</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div><div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="comment"> * string class does its own memory management.</span></div><div class="line"><a name="l00718"></a><span class="lineno"> 718</span> <span class="comment"> */</span></div><div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keyword">explicit</span></div><div class="line"><a name="l00720"></a><span class="lineno"><a class="line" href="a02480.html#a441ffb983d534b288151ff70610ad42b"> 720</a></span>  <a class="code" href="a02480.html#a441ffb983d534b288151ff70610ad42b">basic_stringstream</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __str,</div><div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  ios_base::openmode __m = <a class="code" href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a> | <a class="code" href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>)</div><div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  : <a class="code" href="a02464.html">__iostream_type</a>(), _M_stringbuf(__str, __m)</div><div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  { this-><a class="code" href="a02448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div><div class="line"><a name="l00724"></a><span class="lineno"> 724</span> <span class="comment"></span></div><div class="line"><a name="l00725"></a><span class="lineno"> 725</span> <span class="comment"> /**</span></div><div class="line"><a name="l00726"></a><span class="lineno"> 726</span> <span class="comment"> * @brief The destructor does nothing.</span></div><div class="line"><a name="l00727"></a><span class="lineno"> 727</span> <span class="comment"> *</span></div><div class="line"><a name="l00728"></a><span class="lineno"> 728</span> <span class="comment"> * The buffer is deallocated by the stringbuf object, not the</span></div><div class="line"><a name="l00729"></a><span class="lineno"> 729</span> <span class="comment"> * formatting stream.</span></div><div class="line"><a name="l00730"></a><span class="lineno"> 730</span> <span class="comment"> */</span></div><div class="line"><a name="l00731"></a><span class="lineno"><a class="line" href="a02480.html#a2fe66a8d73dcf33d78ad41df02328fe4"> 731</a></span>  <a class="code" href="a02480.html#a2fe66a8d73dcf33d78ad41df02328fe4">~basic_stringstream</a>()</div><div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  { }</div><div class="line"><a name="l00733"></a><span class="lineno"> 733</span> </div><div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>(<span class="keyword">const</span> <a class="code" href="a02480.html">basic_stringstream</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00736"></a><span class="lineno"> 736</span> </div><div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>(<a class="code" href="a02480.html">basic_stringstream</a>&& __rhs)</div><div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  : __iostream_type(<a class="code" href="a01538.html">std</a>::move(__rhs)),</div><div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  _M_stringbuf(<a class="code" href="a01538.html">std</a>::move(__rhs._M_stringbuf))</div><div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  { __iostream_type::set_rdbuf(&_M_stringbuf); }</div><div class="line"><a name="l00741"></a><span class="lineno"> 741</span> </div><div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="comment">// 27.8.3.2 Assign and swap:</span></div><div class="line"><a name="l00743"></a><span class="lineno"> 743</span> </div><div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>&</div><div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  operator=(<span class="keyword">const</span> <a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00746"></a><span class="lineno"> 746</span> </div><div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>&</div><div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  operator=(<a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>&& __rhs)</div><div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  {</div><div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  __iostream_type::operator=(std::move(__rhs));</div><div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  _M_stringbuf = std::move(__rhs._M_stringbuf);</div><div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  }</div><div class="line"><a name="l00754"></a><span class="lineno"> 754</span> </div><div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  swap(<a class="code" href="a02480.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>& __rhs)</div><div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  {</div><div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  __iostream_type::swap(__rhs);</div><div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  _M_stringbuf.swap(__rhs._M_stringbuf);</div><div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  }</div><div class="line"><a name="l00761"></a><span class="lineno"> 761</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00762"></a><span class="lineno"> 762</span> </div><div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="comment">// Members:</span><span class="comment"></span></div><div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="comment"> /**</span></div><div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="comment"> * @brief Accessing the underlying buffer.</span></div><div class="line"><a name="l00766"></a><span class="lineno"> 766</span> <span class="comment"> * @return The current basic_stringbuf buffer.</span></div><div class="line"><a name="l00767"></a><span class="lineno"> 767</span> <span class="comment"> *</span></div><div class="line"><a name="l00768"></a><span class="lineno"> 768</span> <span class="comment"> * This hides both signatures of std::basic_ios::rdbuf().</span></div><div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="comment"> */</span></div><div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  __stringbuf_type*</div><div class="line"><a name="l00771"></a><span class="lineno"><a class="line" href="a02480.html#a20c0bfc4dc37364093b8c7bfe77d1d7f"> 771</a></span>  <a class="code" href="a02480.html#a20c0bfc4dc37364093b8c7bfe77d1d7f">rdbuf</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00772"></a><span class="lineno"> 772</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> const_cast<__stringbuf_type*>(&_M_stringbuf); }</div><div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="comment"></span></div><div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="comment"> /**</span></div><div class="line"><a name="l00775"></a><span class="lineno"> 775</span> <span class="comment"> * @brief Copying out the string buffer.</span></div><div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="comment"> * @return @c rdbuf()->str()</span></div><div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="comment"> */</span></div><div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  __string_type</div><div class="line"><a name="l00779"></a><span class="lineno"><a class="line" href="a02480.html#a36e49da6993836a79290489fab310077"> 779</a></span>  <a class="code" href="a02480.html#a36e49da6993836a79290489fab310077">str</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_stringbuf.str(); }</div><div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="comment"></span></div><div class="line"><a name="l00782"></a><span class="lineno"> 782</span> <span class="comment"> /**</span></div><div class="line"><a name="l00783"></a><span class="lineno"> 783</span> <span class="comment"> * @brief Setting a new buffer.</span></div><div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="comment"> * @param __s The string to use as a new sequence.</span></div><div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="comment"> *</span></div><div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="comment"> * Calls @c rdbuf()->str(s).</span></div><div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <span class="comment"> */</span></div><div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00789"></a><span class="lineno"><a class="line" href="a02480.html#a84b6a2da124b5f937c3f5dfa12d70957"> 789</a></span>  <a class="code" href="a02480.html#a84b6a2da124b5f937c3f5dfa12d70957">str</a>(<span class="keyword">const</span> <a class="code" href="a04768.html">__string_type</a>& __s)</div><div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  { _M_stringbuf.str(__s); }</div><div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  };</div><div class="line"><a name="l00792"></a><span class="lineno"> 792</span> </div><div class="line"><a name="l00793"></a><span class="lineno"> 793</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00794"></a><span class="lineno"> 794</span> <span class="comment"> /// Swap specialization for stringbufs.</span></div><div class="line"><a name="l00795"></a><span class="lineno"> 795</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">class</span> _CharT, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Allocator></div><div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00797"></a><span class="lineno"><a class="line" href="a01538.html#a87939e8186f838ff337074e945c78b6d"> 797</a></span>  swap(<a class="code" href="a02468.html">basic_stringbuf<_CharT, _Traits, _Allocator></a>& __x,</div><div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <a class="code" href="a02468.html">basic_stringbuf<_CharT, _Traits, _Allocator></a>& __y)</div><div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  { __x.swap(__y); }</div><div class="line"><a name="l00800"></a><span class="lineno"> 800</span> <span class="comment"></span></div><div class="line"><a name="l00801"></a><span class="lineno"> 801</span> <span class="comment"> /// Swap specialization for istringstreams.</span></div><div class="line"><a name="l00802"></a><span class="lineno"> 802</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">class</span> _CharT, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Allocator></div><div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00804"></a><span class="lineno"><a class="line" href="a01538.html#a4dedd893b6faf3eb2e6c6aa0ca0f2e32"> 804</a></span>  swap(<a class="code" href="a02472.html">basic_istringstream<_CharT, _Traits, _Allocator></a>& __x,</div><div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <a class="code" href="a02472.html">basic_istringstream<_CharT, _Traits, _Allocator></a>& __y)</div><div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  { __x.swap(__y); }</div><div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="comment"></span></div><div class="line"><a name="l00808"></a><span class="lineno"> 808</span> <span class="comment"> /// Swap specialization for ostringstreams.</span></div><div class="line"><a name="l00809"></a><span class="lineno"> 809</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">class</span> _CharT, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Allocator></div><div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00811"></a><span class="lineno"><a class="line" href="a01538.html#ab7f8e65ad7deb2a81c9178499d71731a"> 811</a></span>  swap(<a class="code" href="a02476.html">basic_ostringstream<_CharT, _Traits, _Allocator></a>& __x,</div><div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <a class="code" href="a02476.html">basic_ostringstream<_CharT, _Traits, _Allocator></a>& __y)</div><div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  { __x.swap(__y); }</div><div class="line"><a name="l00814"></a><span class="lineno"> 814</span> <span class="comment"></span></div><div class="line"><a name="l00815"></a><span class="lineno"> 815</span> <span class="comment"> /// Swap specialization for stringstreams.</span></div><div class="line"><a name="l00816"></a><span class="lineno"> 816</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">class</span> _CharT, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Allocator></div><div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00818"></a><span class="lineno"><a class="line" href="a01538.html#a85a913837de066af6c23b0f4f28e02a0"> 818</a></span>  swap(<a class="code" href="a02480.html">basic_stringstream<_CharT, _Traits, _Allocator></a>& __x,</div><div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <a class="code" href="a02480.html">basic_stringstream<_CharT, _Traits, _Allocator></a>& __y)</div><div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  { __x.swap(__y); }</div><div class="line"><a name="l00821"></a><span class="lineno"> 821</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00822"></a><span class="lineno"> 822</span> </div><div class="line"><a name="l00823"></a><span class="lineno"> 823</span> _GLIBCXX_END_NAMESPACE_CXX11</div><div class="line"><a name="l00824"></a><span class="lineno"> 824</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00825"></a><span class="lineno"> 825</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00826"></a><span class="lineno"> 826</span> </div><div class="line"><a name="l00827"></a><span class="lineno"> 827</span> <span class="preprocessor">#include <<a class="code" href="a00515.html">bits/sstream.tcc</a>></span></div><div class="line"><a name="l00828"></a><span class="lineno"> 828</span> </div><div class="line"><a name="l00829"></a><span class="lineno"> 829</span> <span class="preprocessor">#endif </span><span class="comment">/* _GLIBCXX_SSTREAM */</span><span class="preprocessor"></span></div><div class="ttc" id="a05796_html_a652e2323949eea3d906e1c81bd8ce8f7"><div class="ttname"><a href="a05796.html#a652e2323949eea3d906e1c81bd8ce8f7">std::ios_base::in</a></div><div class="ttdeci">static const openmode in</div><div class="ttdoc">Open for input. Default for ifstream and fstream.</div><div class="ttdef"><b>Definition:</b> <a href="a00383_source.html#l00443">ios_base.h:443</a></div></div>
<div class="ttc" id="a02468_html_ac61ba779db3a0af0973ab5222c78fa0b"><div class="ttname"><a href="a02468.html#ac61ba779db3a0af0973ab5222c78fa0b">std::basic_stringbuf::_M_mode</a></div><div class="ttdeci">ios_base::openmode _M_mode</div><div class="ttdoc">Place to stash in || out || in | out settings for current stringbuf.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00085">sstream:85</a></div></div>
<div class="ttc" id="a02476_html_ab86531872ed1bc23cd1951aca4d6fe3d"><div class="ttname"><a href="a02476.html#ab86531872ed1bc23cd1951aca4d6fe3d">std::basic_ostringstream::basic_ostringstream</a></div><div class="ttdeci">basic_ostringstream(const __string_type &__str, ios_base::openmode __mode=ios_base::out)</div><div class="ttdoc">Starts with an existing string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00579">sstream:579</a></div></div>
<div class="ttc" id="a02452_html_a38c9b562c20b30bf9d21cf0e4dc90356"><div class="ttname"><a href="a02452.html#a38c9b562c20b30bf9d21cf0e4dc90356">std::basic_streambuf::setg</a></div><div class="ttdeci">void setg(char_type *__gbeg, char_type *__gnext, char_type *__gend)</div><div class="ttdoc">Setting the three read area pointers.</div><div class="ttdef"><b>Definition:</b> <a href="a00149_source.html#l00516">streambuf:516</a></div></div>
<div class="ttc" id="a02480_html"><div class="ttname"><a href="a02480.html">std::basic_stringstream</a></div><div class="ttdoc">Controlling input and output for std::string.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00108">iosfwd:108</a></div></div>
<div class="ttc" id="a02468_html_a710ce01324037dd8787cde291a3608e0"><div class="ttname"><a href="a02468.html#a710ce01324037dd8787cde291a3608e0">std::basic_stringbuf::str</a></div><div class="ttdeci">__string_type str() const</div><div class="ttdoc">Copying out the string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00167">sstream:167</a></div></div>
<div class="ttc" id="a02476_html_acb3c684555f7a13d5de15b20fd8f491c"><div class="ttname"><a href="a02476.html#acb3c684555f7a13d5de15b20fd8f491c">std::basic_ostringstream::basic_ostringstream</a></div><div class="ttdeci">basic_ostringstream(ios_base::openmode __mode=ios_base::out)</div><div class="ttdoc">Default constructor starts with an empty string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00561">sstream:561</a></div></div>
<div class="ttc" id="a02452_html_a8e7a46a08c85184d8b6ea1e5d87b7736"><div class="ttname"><a href="a02452.html#a8e7a46a08c85184d8b6ea1e5d87b7736">std::basic_streambuf::pubimbue</a></div><div class="ttdeci">locale pubimbue(const locale &__loc)</div><div class="ttdoc">Entry point for imbue().</div><div class="ttdef"><b>Definition:</b> <a href="a00149_source.html#l00216">streambuf:216</a></div></div>
<div class="ttc" id="a02480_html_a84b6a2da124b5f937c3f5dfa12d70957"><div class="ttname"><a href="a02480.html#a84b6a2da124b5f937c3f5dfa12d70957">std::basic_stringstream::str</a></div><div class="ttdeci">void str(const __string_type &__s)</div><div class="ttdoc">Setting a new buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00789">sstream:789</a></div></div>
<div class="ttc" id="a05796_html"><div class="ttname"><a href="a05796.html">std::ios_base</a></div><div class="ttdoc">The base of the I/O class hierarchy.This class defines everything that can be defined about I/O that ...</div><div class="ttdef"><b>Definition:</b> <a href="a00383_source.html#l00228">ios_base.h:228</a></div></div>
<div class="ttc" id="a00515_html"><div class="ttname"><a href="a00515.html">sstream.tcc</a></div></div>
<div class="ttc" id="a02472_html_a8402e3c2b036fbd4c696b2ab70b49681"><div class="ttname"><a href="a02472.html#a8402e3c2b036fbd4c696b2ab70b49681">std::basic_istringstream::str</a></div><div class="ttdeci">__string_type str() const</div><div class="ttdoc">Copying out the string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00494">sstream:494</a></div></div>
<div class="ttc" id="a02468_html_a24490a3224662a3c57cbb8f591b2acbc"><div class="ttname"><a href="a02468.html#a24490a3224662a3c57cbb8f591b2acbc">std::basic_stringbuf::showmanyc</a></div><div class="ttdeci">virtual streamsize showmanyc()</div><div class="ttdoc">Investigating the data available.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00212">sstream:212</a></div></div>
<div class="ttc" id="a04768_html_a7998fb98c9eddd604864547d4ed4a80f"><div class="ttname"><a href="a04768.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="a00290_source.html#l05140">basic_string.h:5140</a></div></div>
<div class="ttc" id="a04768_html"><div class="ttname"><a href="a04768.html">std::basic_string< char_type, _Traits, _Alloc ></a></div></div>
<div class="ttc" id="a02472_html_a81881e8365e3f3720a00c37cd8a828cd"><div class="ttname"><a href="a02472.html#a81881e8365e3f3720a00c37cd8a828cd">std::basic_istringstream::~basic_istringstream</a></div><div class="ttdeci">~basic_istringstream()</div><div class="ttdoc">The destructor does nothing.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00446">sstream:446</a></div></div>
<div class="ttc" id="a02468_html_a54d0b95ccabadaa97884f3c54f1943d2"><div class="ttname"><a href="a02468.html#a54d0b95ccabadaa97884f3c54f1943d2">std::basic_stringbuf::str</a></div><div class="ttdeci">void str(const __string_type &__s)</div><div class="ttdoc">Setting a new buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00191">sstream:191</a></div></div>
<div class="ttc" id="a02468_html"><div class="ttname"><a href="a02468.html">std::basic_stringbuf</a></div><div class="ttdoc">The actual work of input and output (for std::string).</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00096">iosfwd:96</a></div></div>
<div class="ttc" id="a04768_html_a676f896c88073521cfac7aab5f3da5af"><div class="ttname"><a href="a04768.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="a00290_source.html#l03835">basic_string.h:3835</a></div></div>
<div class="ttc" id="a02456_html"><div class="ttname"><a href="a02456.html">std::basic_istream</a></div><div class="ttdoc">Template class basic_istream.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00083">iosfwd:83</a></div></div>
<div class="ttc" id="a02468_html_a51561fccb6d01fb598c1885de0defc71"><div class="ttname"><a href="a02468.html#a51561fccb6d01fb598c1885de0defc71">std::basic_stringbuf::underflow</a></div><div class="ttdeci">virtual int_type underflow()</div><div class="ttdoc">Fetches more data from the controlled sequence.</div><div class="ttdef"><b>Definition:</b> <a href="a00515_source.html#l00150">sstream.tcc:150</a></div></div>
<div class="ttc" id="a02476_html_a1bfbc5ef2c20f06dfbbe8bf046cffa3a"><div class="ttname"><a href="a02476.html#a1bfbc5ef2c20f06dfbbe8bf046cffa3a">std::basic_ostringstream::str</a></div><div class="ttdeci">void str(const __string_type &__s)</div><div class="ttdoc">Setting a new buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00648">sstream:648</a></div></div>
<div class="ttc" id="a02476_html"><div class="ttname"><a href="a02476.html">std::basic_ostringstream</a></div><div class="ttdoc">Controlling output for std::string.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00104">iosfwd:104</a></div></div>
<div class="ttc" id="a02464_html"><div class="ttname"><a href="a02464.html">std::basic_iostream</a></div><div class="ttdoc">Template class basic_iostream.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00089">iosfwd:89</a></div></div>
<div class="ttc" id="a01477_html_ga1954d5552e24586051011312041033f6"><div class="ttname"><a href="a01477.html#ga1954d5552e24586051011312041033f6">std::__addressof</a></div><div class="ttdeci">constexpr _Tp * __addressof(_Tp &__r) noexcept</div><div class="ttdoc">Same as C++11 std::addressof.</div><div class="ttdef"><b>Definition:</b> <a href="a00422_source.html#l00047">move.h:47</a></div></div>
<div class="ttc" id="a02452_html_a344bded2a1c24ffcea69a918e7dc6c6f"><div class="ttname"><a href="a02452.html#a344bded2a1c24ffcea69a918e7dc6c6f">std::basic_streambuf::gptr</a></div><div class="ttdeci">char_type * gptr() const</div><div class="ttdoc">Access to the get area.</div><div class="ttdef"><b>Definition:</b> <a href="a00149_source.html#l00492">streambuf:492</a></div></div>
<div class="ttc" id="a02472_html_ae80f86a4cebe228a443076bc0d70ef59"><div class="ttname"><a href="a02472.html#ae80f86a4cebe228a443076bc0d70ef59">std::basic_istringstream::basic_istringstream</a></div><div class="ttdeci">basic_istringstream(ios_base::openmode __mode=ios_base::in)</div><div class="ttdoc">Default constructor starts with an empty string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00417">sstream:417</a></div></div>
<div class="ttc" id="a02452_html_af485f3989ebaf74cbfc5f8f578f2e63d"><div class="ttname"><a href="a02452.html#af485f3989ebaf74cbfc5f8f578f2e63d">std::basic_streambuf::pptr</a></div><div class="ttdeci">char_type * pptr() const</div><div class="ttdoc">Access to the put area.</div><div class="ttdef"><b>Definition:</b> <a href="a00149_source.html#l00539">streambuf:539</a></div></div>
<div class="ttc" id="a05796_html_abc6732e5a0d9dc40b79e2fe6e32e7b09"><div class="ttname"><a href="a05796.html#abc6732e5a0d9dc40b79e2fe6e32e7b09">std::ios_base::app</a></div><div class="ttdeci">static const openmode app</div><div class="ttdoc">Seek to end before each write.</div><div class="ttdef"><b>Definition:</b> <a href="a00383_source.html#l00432">ios_base.h:432</a></div></div>
<div class="ttc" id="a01538_html_a85a913837de066af6c23b0f4f28e02a0"><div class="ttname"><a href="a01538.html#a85a913837de066af6c23b0f4f28e02a0">std::swap</a></div><div class="ttdeci">void swap(basic_stringstream< _CharT, _Traits, _Allocator > &__x, basic_stringstream< _CharT, _Traits, _Allocator > &__y)</div><div class="ttdoc">Swap specialization for stringstreams.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00818">sstream:818</a></div></div>
<div class="ttc" id="a02480_html_a2fe66a8d73dcf33d78ad41df02328fe4"><div class="ttname"><a href="a02480.html#a2fe66a8d73dcf33d78ad41df02328fe4">std::basic_stringstream::~basic_stringstream</a></div><div class="ttdeci">~basic_stringstream()</div><div class="ttdoc">The destructor does nothing.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00731">sstream:731</a></div></div>
<div class="ttc" id="a02468_html_a37b53ee2a13c652e61c4db6cc1f47b51"><div class="ttname"><a href="a02468.html#a37b53ee2a13c652e61c4db6cc1f47b51">std::basic_stringbuf::basic_stringbuf</a></div><div class="ttdeci">basic_stringbuf(const __string_type &__str, ios_base::openmode __mode=ios_base::in|ios_base::out)</div><div class="ttdoc">Starts with an existing string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00113">sstream:113</a></div></div>
<div class="ttc" id="a02480_html_a20c0bfc4dc37364093b8c7bfe77d1d7f"><div class="ttname"><a href="a02480.html#a20c0bfc4dc37364093b8c7bfe77d1d7f">std::basic_stringstream::rdbuf</a></div><div class="ttdeci">__stringbuf_type * rdbuf() const</div><div class="ttdoc">Accessing the underlying buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00771">sstream:771</a></div></div>
<div class="ttc" id="a02468_html_a87ffed7ed9940e5952303b31be0b6a11"><div class="ttname"><a href="a02468.html#a87ffed7ed9940e5952303b31be0b6a11">std::basic_stringbuf::seekoff</a></div><div class="ttdeci">virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __mode=ios_base::in|ios_base::out)</div><div class="ttdoc">Alters the stream positions.</div><div class="ttdef"><b>Definition:</b> <a href="a00515_source.html#l00168">sstream.tcc:168</a></div></div>
<div class="ttc" id="a02480_html_a40b73a4835bc74332079555beec1dda3"><div class="ttname"><a href="a02480.html#a40b73a4835bc74332079555beec1dda3">std::basic_stringstream::basic_stringstream</a></div><div class="ttdeci">basic_stringstream(ios_base::openmode __m=ios_base::out|ios_base::in)</div><div class="ttdoc">Default constructor starts with an empty string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00704">sstream:704</a></div></div>
<div class="ttc" id="a01538_html"><div class="ttname"><a href="a01538.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a02476_html_a5fe89030a53e674de2823d9a8cfec39c"><div class="ttname"><a href="a02476.html#a5fe89030a53e674de2823d9a8cfec39c">std::basic_ostringstream::str</a></div><div class="ttdeci">__string_type str() const</div><div class="ttdoc">Copying out the string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00638">sstream:638</a></div></div>
<div class="ttc" id="a02452_html_ad02de7bae6f055a7b112aeef35a08d9b"><div class="ttname"><a href="a02452.html#ad02de7bae6f055a7b112aeef35a08d9b">std::basic_streambuf::egptr</a></div><div class="ttdeci">char_type * egptr() const</div><div class="ttdoc">Access to the get area.</div><div class="ttdef"><b>Definition:</b> <a href="a00149_source.html#l00495">streambuf:495</a></div></div>
<div class="ttc" id="a04768_html_a40c0c4216ddc30d2d77595a0af24e0a6"><div class="ttname"><a href="a04768.html#a40c0c4216ddc30d2d77595a0af24e0a6">std::basic_string::assign</a></div><div class="ttdeci">basic_string & assign(const basic_string &__str)</div><div class="ttdoc">Set value to contents of another string.</div><div class="ttdef"><b>Definition:</b> <a href="a00293_source.html#l00693">basic_string.tcc:693</a></div></div>
<div class="ttc" id="a04768_html_ac74bf867dd0c370a371d27715417037d"><div class="ttname"><a href="a04768.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="a00290_source.html#l05162">basic_string.h:5162</a></div></div>
<div class="ttc" id="a02468_html_a3ecbb2133b5c6b598b0344b7cbbe1757"><div class="ttname"><a href="a02468.html#a3ecbb2133b5c6b598b0344b7cbbe1757">std::basic_stringbuf::setbuf</a></div><div class="ttdeci">virtual __streambuf_type * setbuf(char_type *__s, streamsize __n)</div><div class="ttdoc">Manipulates the buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00244">sstream:244</a></div></div>
<div class="ttc" id="a02480_html_a36e49da6993836a79290489fab310077"><div class="ttname"><a href="a02480.html#a36e49da6993836a79290489fab310077">std::basic_stringstream::str</a></div><div class="ttdeci">__string_type str() const</div><div class="ttdoc">Copying out the string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00779">sstream:779</a></div></div>
<div class="ttc" id="a02480_html_a441ffb983d534b288151ff70610ad42b"><div class="ttname"><a href="a02480.html#a441ffb983d534b288151ff70610ad42b">std::basic_stringstream::basic_stringstream</a></div><div class="ttdeci">basic_stringstream(const __string_type &__str, ios_base::openmode __m=ios_base::out|ios_base::in)</div><div class="ttdoc">Starts with an existing string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00720">sstream:720</a></div></div>
<div class="ttc" id="a02472_html_a88077d8802d2b04e0ca4d0f5e7f759ed"><div class="ttname"><a href="a02472.html#a88077d8802d2b04e0ca4d0f5e7f759ed">std::basic_istringstream::basic_istringstream</a></div><div class="ttdeci">basic_istringstream(const __string_type &__str, ios_base::openmode __mode=ios_base::in)</div><div class="ttdoc">Starts with an existing string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00435">sstream:435</a></div></div>
<div class="ttc" id="a02452_html_aa15c80d916ef8065138eb6bd5b3ae1ef"><div class="ttname"><a href="a02452.html#aa15c80d916ef8065138eb6bd5b3ae1ef">std::basic_streambuf::eback</a></div><div class="ttdeci">char_type * eback() const</div><div class="ttdoc">Access to the get area.</div><div class="ttdef"><b>Definition:</b> <a href="a00149_source.html#l00489">streambuf:489</a></div></div>
<div class="ttc" id="a00089_html"><div class="ttname"><a href="a00089.html">istream</a></div></div>
<div class="ttc" id="a02468_html_a763bee40dfc04e2ee2816e322c3af297"><div class="ttname"><a href="a02468.html#a763bee40dfc04e2ee2816e322c3af297">std::basic_stringbuf::seekpos</a></div><div class="ttdeci">virtual pos_type seekpos(pos_type __sp, ios_base::openmode __mode=ios_base::in|ios_base::out)</div><div class="ttdoc">Alters the stream positions.</div><div class="ttdef"><b>Definition:</b> <a href="a00515_source.html#l00216">sstream.tcc:216</a></div></div>
<div class="ttc" id="a02452_html"><div class="ttname"><a href="a02452.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="a00083_source.html#l00080">iosfwd:80</a></div></div>
<div class="ttc" id="a02472_html_a4040d59ec2be579cca6a91fb5595553e"><div class="ttname"><a href="a02472.html#a4040d59ec2be579cca6a91fb5595553e">std::basic_istringstream::str</a></div><div class="ttdeci">void str(const __string_type &__s)</div><div class="ttdoc">Setting a new buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00504">sstream:504</a></div></div>
<div class="ttc" id="a02452_html_a3feb8a3ab9393e19d53e0712af6a27e2"><div class="ttname"><a href="a02452.html#a3feb8a3ab9393e19d53e0712af6a27e2">std::basic_streambuf::pbase</a></div><div class="ttdeci">char_type * pbase() const</div><div class="ttdoc">Access to the put area.</div><div class="ttdef"><b>Definition:</b> <a href="a00149_source.html#l00536">streambuf:536</a></div></div>
<div class="ttc" id="a00116_html"><div class="ttname"><a href="a00116.html">ostream</a></div></div>
<div class="ttc" id="a02476_html_af8c4c9652fcb9c4e94d86cd8210ee679"><div class="ttname"><a href="a02476.html#af8c4c9652fcb9c4e94d86cd8210ee679">std::basic_ostringstream::rdbuf</a></div><div class="ttdeci">__stringbuf_type * rdbuf() const</div><div class="ttdoc">Accessing the underlying buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00630">sstream:630</a></div></div>
<div class="ttc" id="a02472_html"><div class="ttname"><a href="a02472.html">std::basic_istringstream</a></div><div class="ttdoc">Controlling input for std::string.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00100">iosfwd:100</a></div></div>
<div class="ttc" id="a02448_html_a62a4b454cbedd686b89e48fa9d6160c4"><div class="ttname"><a href="a02448.html#a62a4b454cbedd686b89e48fa9d6160c4">std::basic_ios::init</a></div><div class="ttdeci">void init(basic_streambuf< _CharT, _Traits > *__sb)</div><div class="ttdoc">All setup is performed here.</div><div class="ttdef"><b>Definition:</b> <a href="a00287_source.html#l00126">basic_ios.tcc:126</a></div></div>
<div class="ttc" id="a02460_html"><div class="ttname"><a href="a02460.html">std::basic_ostream</a></div><div class="ttdoc">Template class basic_ostream.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00086">iosfwd:86</a></div></div>
<div class="ttc" id="a04768_html_aaf800493abc5157b122532f5553c7473"><div class="ttname"><a href="a04768.html#aaf800493abc5157b122532f5553c7473">std::basic_string::clear</a></div><div class="ttdeci">void clear() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="a00290_source.html#l03926">basic_string.h:3926</a></div></div>
<div class="ttc" id="a01538_html_a05eef5582eb5de62b76db4916f7adb84"><div class="ttname"><a href="a01538.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="a00440_source.html#l00098">postypes.h:98</a></div></div>
<div class="ttc" id="a02468_html_a19b9cff5db05affb68557688c6130409"><div class="ttname"><a href="a02468.html#a19b9cff5db05affb68557688c6130409">std::basic_stringbuf::basic_stringbuf</a></div><div class="ttdeci">basic_stringbuf(ios_base::openmode __mode=ios_base::in|ios_base::out)</div><div class="ttdoc">Starts with an empty string buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00100">sstream:100</a></div></div>
<div class="ttc" id="a05796_html_ad22225874e26210dfe11263279587e75"><div class="ttname"><a href="a05796.html#ad22225874e26210dfe11263279587e75">std::ios_base::ate</a></div><div class="ttdeci">static const openmode ate</div><div class="ttdoc">Open and seek to end immediately after opening.</div><div class="ttdef"><b>Definition:</b> <a href="a00383_source.html#l00435">ios_base.h:435</a></div></div>
<div class="ttc" id="a02472_html_a095330a0443ef6ad188ede768152c6c4"><div class="ttname"><a href="a02472.html#a095330a0443ef6ad188ede768152c6c4">std::basic_istringstream::rdbuf</a></div><div class="ttdeci">__stringbuf_type * rdbuf() const</div><div class="ttdoc">Accessing the underlying buffer.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00486">sstream:486</a></div></div>
<div class="ttc" id="a02476_html_a158cb1d8aa30780afd86d6f7c046a55c"><div class="ttname"><a href="a02476.html#a158cb1d8aa30780afd86d6f7c046a55c">std::basic_ostringstream::~basic_ostringstream</a></div><div class="ttdeci">~basic_ostringstream()</div><div class="ttdoc">The destructor does nothing.</div><div class="ttdef"><b>Definition:</b> <a href="a00140_source.html#l00590">sstream:590</a></div></div>
<div class="ttc" id="a05796_html_a7187e216e5d16ec820ea1791002f85e0"><div class="ttname"><a href="a05796.html#a7187e216e5d16ec820ea1791002f85e0">std::ios_base::out</a></div><div class="ttdeci">static const openmode out</div><div class="ttdoc">Open for output. Default for ofstream and fstream.</div><div class="ttdef"><b>Definition:</b> <a href="a00383_source.html#l00446">ios_base.h:446</a></div></div>
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