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<a href="a01537.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) 1997-2013 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"></span><span class="preprocessor">#define _GLIBCXX_SSTREAM 1</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></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> <span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="a01318.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="a01400.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>std _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> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// [27.7.1] template class basic_stringbuf</span><span class="comment"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * @brief The actual work of input and output (for std::string).</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * @ingroup io</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * @tparam _CharT Type of character stream.</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * char_traits<_CharT>.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * This class associates either or both of its input and output sequences</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * with a sequence of characters, which can be initialized from, or made</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * available as, a @c std::basic_string. (Paraphrased from [27.7.1]/1.)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * For this class, open modes (of type @c ios_base::openmode) have</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</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="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * output sequence can be written.</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</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="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">class </span>basic_stringbuf : <span class="keyword">public</span> basic_streambuf<_CharT, _Traits></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// Types:</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">typedef</span> _CharT char_type;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">typedef</span> _Traits traits_type;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_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::off_type off_type;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">typedef</span> basic_streambuf<char_type, traits_type> __streambuf_type;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">typedef</span> basic_string<char_type, _Traits, _Alloc> __string_type;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> __string_type::size_type __size_type;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">protected</span>:<span class="comment"></span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> /// Place to stash in || out || in | out settings for current stringbuf.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b"> 83</a></span> <span class="comment"></span> ios_base::openmode <a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// Data Members:</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="a00453.html">__string_type</a> _M_string;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// Constructors:</span><span class="comment"></span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> * @brief Starts with an empty string buffer.</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * The default constructor initializes the parent class using its</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> * own default ctor.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">explicit</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="a00650.html#a19b9cff5db05affb68557688c6130409"> 98</a></span>  <a class="code" href="a00650.html#a19b9cff5db05affb68557688c6130409">basic_stringbuf</a>(ios_base::openmode __mode = <a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  : <a class="code" href="a00452.html">__streambuf_type</a>(), <a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>(__mode), _M_string()</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  { }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"></span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * @brief Starts with an existing string buffer.</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> * This constructor initializes the parent class using its</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> * own default ctor.</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">explicit</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="a00650.html#a37b53ee2a13c652e61c4db6cc1f47b51"> 111</a></span>  <a class="code" href="a00650.html#a37b53ee2a13c652e61c4db6cc1f47b51">basic_stringbuf</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __str,</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  ios_base::openmode __mode = <a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  : <a class="code" href="a00452.html">__streambuf_type</a>(), <a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>(), _M_string(__str.data(), __str.<a class="code" href="a01662.html#a7d6d850b7c581f119ba12205c6037635">size</a>())</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  { _M_stringbuf_init(__mode); }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Get and set:</span><span class="comment"></span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * @brief Copying out the string buffer.</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * @return A copy of one of the underlying sequences.</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * <em>If the buffer is only created in input mode, the underlying</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * character sequence is equal to the input sequence; otherwise, it</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> * is equal to the output sequence.</em> [27.7.1.2]/1</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  __string_type</div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="a00650.html#ad77cb6076e9bbe139be0ea417c07b3e9"> 126</a></span>  <a class="code" href="a00650.html#ad77cb6076e9bbe139be0ea417c07b3e9">str</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="a00453.html">__string_type</a> __ret;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>())</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>  <span class="comment">// The current egptr() may not be the actual string end.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>() > this-><a class="code" href="a00452.html#a271d085f48ab53194825e04e7caab94c">egptr</a>())</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  __ret = <a class="code" href="a00453.html">__string_type</a>(this-><a class="code" href="a00452.html#a3ea4ba600f85337465d093a30519ad91">pbase</a>(), this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>());</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  __ret = <a class="code" href="a00453.html">__string_type</a>(this-><a class="code" href="a00452.html#a3ea4ba600f85337465d093a30519ad91">pbase</a>(), this-><a class="code" href="a00452.html#a271d085f48ab53194825e04e7caab94c">egptr</a>());</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  __ret = _M_string;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> __ret;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"></span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> * @brief Setting a new buffer.</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> * @param __s The string to use as a new sequence.</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> * Deallocates any previous stored sequence, then copies @a s to</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * use as a new one.</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="a00650.html#a54d0b95ccabadaa97884f3c54f1943d2"> 150</a></span>  <a class="code" href="a00650.html#a54d0b95ccabadaa97884f3c54f1943d2">str</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __s)</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// Cannot use _M_string = __s, since v3 strings are COW.</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  _M_string.<a class="code" href="a00453.html#a40c0c4216ddc30d2d77595a0af24e0a6">assign</a>(__s.<a class="code" href="a00453.html#a7998fb98c9eddd604864547d4ed4a80f">data</a>(), __s.<a class="code" href="a00453.html#a676f896c88073521cfac7aab5f3da5af">size</a>());</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  _M_stringbuf_init(<a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a>);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Common initialization code goes here.</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  _M_stringbuf_init(ios_base::openmode __mode)</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> = __mode;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  __size_type __len = 0;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (<a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> & (<a class="code" href="a00791.html#ad22225874e26210dfe11263279587e75">ios_base::ate</a> | <a class="code" href="a00791.html#abc6732e5a0d9dc40b79e2fe6e32e7b09">ios_base::app</a>))</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  __len = _M_string.<a class="code" href="a00453.html#a676f896c88073521cfac7aab5f3da5af">size</a>();</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  _M_sync(const_cast<char_type*>(_M_string.<a class="code" href="a00453.html#a7998fb98c9eddd604864547d4ed4a80f">data</a>()), 0, __len);</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">virtual</span> <a class="code" href="a01662.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a></div>
<div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="a00650.html#a24490a3224662a3c57cbb8f591b2acbc"> 170</a></span>  <a class="code" href="a00650.html#a24490a3224662a3c57cbb8f591b2acbc">showmanyc</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>  <a class="code" href="a01662.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __ret = -1;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (<a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> & <a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>)</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  _M_update_egptr();</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  __ret = this-><a class="code" href="a00452.html#a271d085f48ab53194825e04e7caab94c">egptr</a>() - this-><a class="code" href="a00452.html#ad631f06db33ec1d3888302ec244a6ae9">gptr</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">return</span> __ret;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">virtual</span> int_type</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="a00650.html#a51561fccb6d01fb598c1885de0defc71">underflow</a>();</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">virtual</span> int_type</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  pbackfail(int_type __c = traits_type::eof());</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">virtual</span> int_type</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  overflow(int_type __c = traits_type::eof());</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"></span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> * @brief Manipulates the buffer.</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> * @param __s Pointer to a buffer area.</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> * @param __n Size of @a __s.</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> * @return @c this</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</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="l00197"></a><span class="lineno"> 197</span> <span class="comment"> * non-zero, then @c __s is used as a buffer; see</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> * http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch25s02.html</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> * for more.</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">virtual</span> __streambuf_type*</div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="a00650.html#a3ecbb2133b5c6b598b0344b7cbbe1757"> 202</a></span>  <a class="code" href="a00650.html#a3ecbb2133b5c6b598b0344b7cbbe1757">setbuf</a>(char_type* __s, <a class="code" href="a01662.html#a05eef5582eb5de62b76db4916f7adb84">streamsize</a> __n)</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span> (__s && __n >= 0)</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// This is implementation-defined behavior, and assumes</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// that an external char_type array of length __n exists</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// and has been pre-allocated. If this is not the case,</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// things will quickly blow up.</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="comment">// Step 1: Destroy the current internal array.</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  _M_string.<a class="code" href="a00453.html#aaf800493abc5157b122532f5553c7473">clear</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>  <span class="comment">// Step 2: Use the external array.</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  _M_sync(__s, __n, 0);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> <span class="keyword">this</span>;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">virtual</span> pos_type</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="a00650.html#a87ffed7ed9940e5952303b31be0b6a11">seekoff</a>(off_type __off, ios_base::seekdir __way,</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  ios_base::openmode __mode = <a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>);</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">virtual</span> pos_type</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="a00650.html#a763bee40dfc04e2ee2816e322c3af297">seekpos</a>(pos_type __sp,</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  ios_base::openmode __mode = <a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a> | <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// Internal function for correctly updating the internal buffer</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// for a particular _M_string, due to initialization or re-sizing</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// of an existing _M_string.</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  _M_sync(char_type* <a class="code" href="a01653.html#ac125ef57d80f05d3af4d85475e2351ea">__base</a>, __size_type __i, __size_type __o);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Internal function for correctly updating egptr() to the actual</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// string end.</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  _M_update_egptr()</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> __testin = <a class="code" href="a00650.html#ac61ba779db3a0af0973ab5222c78fa0b">_M_mode</a> & <a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">ios_base::in</a>;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>() && this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>() > this-><a class="code" href="a00452.html#a271d085f48ab53194825e04e7caab94c">egptr</a>())</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (__testin)</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  this-><a class="code" href="a00452.html#a38c9b562c20b30bf9d21cf0e4dc90356">setg</a>(this-><a class="code" href="a00452.html#a8a98bb10a958b9f1ad62e5444ff614ba">eback</a>(), this-><a class="code" href="a00452.html#ad631f06db33ec1d3888302ec244a6ae9">gptr</a>(), this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>());</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  this-><a class="code" href="a00452.html#a38c9b562c20b30bf9d21cf0e4dc90356">setg</a>(this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>(), this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>(), this-><a class="code" href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">pptr</a>());</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// Works around the issue with pbump, part of the protected</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// interface of basic_streambuf, taking just an int.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  _M_pbump(char_type* __pbeg, char_type* __pend, off_type __off);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  };</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </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">// [27.7.2] Template class basic_istringstream</span><span class="comment"></span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * @brief Controlling input for std::string.</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * @ingroup io</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> * @tparam _CharT Type of character stream.</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> * char_traits<_CharT>.</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * This class supports reading from objects of type std::basic_string,</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> * using the inherited functions from std::basic_istream. To control</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> * the associated sequence, an instance of std::basic_stringbuf is used,</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> * which this page refers to as @c sb.</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</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="l00272"></a><span class="lineno"> 272</span>  <span class="keyword">class </span>basic_istringstream : <span class="keyword">public</span> basic_istream<_CharT, _Traits></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// Types:</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">typedef</span> _CharT char_type;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">typedef</span> _Traits traits_type;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_type;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::off_type off_type;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// Non-standard types:</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">typedef</span> basic_string<_CharT, _Traits, _Alloc> __string_type;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">typedef</span> basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">typedef</span> basic_istream<char_type, traits_type> __istream_type;</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>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  __stringbuf_type _M_stringbuf;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// Constructors:</span><span class="comment"></span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> * @brief Default constructor starts with an empty string buffer.</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * @c ios_base::in is automatically included in @a __mode.</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</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="l00302"></a><span class="lineno"> 302</span> <span class="comment"> * class initializer. Does not allocate any buffer.</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> * string class does its own memory management.</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">explicit</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="a00645.html#ae80f86a4cebe228a443076bc0d70ef59"> 308</a></span>  <a class="code" href="a00645.html#ae80f86a4cebe228a443076bc0d70ef59">basic_istringstream</a>(ios_base::openmode __mode = ios_base::in)</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  : <a class="code" href="a00450.html">__istream_type</a>(), _M_stringbuf(__mode | <a class="code" href="a00791.html">ios_base</a>::<a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">in</a>)</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  { this-><a class="code" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"></span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * @brief Starts with an existing string buffer.</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> * @c ios_base::in is automatically included in @a mode.</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</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="l00320"></a><span class="lineno"> 320</span> <span class="comment"> * to the base class initializer.</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * string class does its own memory management.</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">explicit</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="a00645.html#a88077d8802d2b04e0ca4d0f5e7f759ed"> 326</a></span>  <a class="code" href="a00645.html#a88077d8802d2b04e0ca4d0f5e7f759ed">basic_istringstream</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __str,</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  ios_base::openmode __mode = ios_base::in)</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  : <a class="code" href="a00450.html">__istream_type</a>(), _M_stringbuf(__str, __mode | <a class="code" href="a00791.html">ios_base</a>::<a class="code" href="a00791.html#a652e2323949eea3d906e1c81bd8ce8f7">in</a>)</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  { this-><a class="code" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"></span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> * @brief The destructor does nothing.</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> * The buffer is deallocated by the stringbuf object, not the</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> * formatting stream.</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"><a class="line" href="a00645.html#a81881e8365e3f3720a00c37cd8a828cd"> 337</a></span>  <a class="code" href="a00645.html#a81881e8365e3f3720a00c37cd8a828cd">~basic_istringstream</a>()</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  { }</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// Members:</span><span class="comment"></span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> * @brief Accessing the underlying buffer.</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> * @return The current basic_stringbuf buffer.</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> * This hides both signatures of std::basic_ios::rdbuf().</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  __stringbuf_type*</div>
<div class="line"><a name="l00348"></a><span class="lineno"><a class="line" href="a00645.html#a2c6464a59778504f415be566ca09281b"> 348</a></span>  <a class="code" href="a00645.html#a2c6464a59778504f415be566ca09281b">rdbuf</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">const_cast<</span>__stringbuf_type*<span class="keyword">></span>(&_M_stringbuf); }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"></span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"> * @brief Copying out the string buffer.</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment"> * @return @c rdbuf()->str()</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  __string_type</div>
<div class="line"><a name="l00356"></a><span class="lineno"><a class="line" href="a00645.html#a2fbfea022fa97e569449d644cd38cb4b"> 356</a></span>  <a class="code" href="a00645.html#a2fbfea022fa97e569449d644cd38cb4b">str</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_stringbuf.str(); }</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"></span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> * @brief Setting a new buffer.</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"> * @param __s The string to use as a new sequence.</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> * Calls @c rdbuf()->str(s).</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"><a class="line" href="a00645.html#a4040d59ec2be579cca6a91fb5595553e"> 366</a></span>  <a class="code" href="a00645.html#a4040d59ec2be579cca6a91fb5595553e">str</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __s)</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  { _M_stringbuf.str(__s); }</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  };</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// [27.7.3] Template class basic_ostringstream</span><span class="comment"></span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment"> * @brief Controlling output for std::string.</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment"> * @ingroup io</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="comment"> * @tparam _CharT Type of character stream.</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment"> * char_traits<_CharT>.</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> * This class supports writing to objects of type std::basic_string,</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment"> * using the inherited functions from std::basic_ostream. To control</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment"> * the associated sequence, an instance of std::basic_stringbuf is used,</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"> * which this page refers to as @c sb.</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</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="l00387"></a><span class="lineno"> 387</span>  <span class="keyword">class </span>basic_ostringstream : <span class="keyword">public</span> basic_ostream<_CharT, _Traits></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  {</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">// Types:</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keyword">typedef</span> _CharT char_type;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keyword">typedef</span> _Traits traits_type;</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_type;</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::off_type off_type;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="comment">// Non-standard types:</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">typedef</span> basic_string<_CharT, _Traits, _Alloc> __string_type;</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keyword">typedef</span> basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">typedef</span> basic_ostream<char_type, traits_type> __ostream_type;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  __stringbuf_type _M_stringbuf;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="comment">// Constructors/destructor:</span><span class="comment"></span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment"> * @brief Default constructor starts with an empty string buffer.</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment"> * @c ios_base::out is automatically included in @a mode.</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="comment"> * Initializes @c sb using @c mode|out, and passes @c &sb to the base</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment"> * class initializer. Does not allocate any buffer.</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> * string class does its own memory management.</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="keyword">explicit</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"><a class="line" href="a00648.html#acb3c684555f7a13d5de15b20fd8f491c"> 423</a></span>  <a class="code" href="a00648.html#acb3c684555f7a13d5de15b20fd8f491c">basic_ostringstream</a>(ios_base::openmode __mode = <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  : <a class="code" href="a00451.html">__ostream_type</a>(), _M_stringbuf(__mode | <a class="code" href="a00791.html">ios_base</a>::<a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">out</a>)</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  { this-><a class="code" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment"></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"> * @brief Starts with an existing string buffer.</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> * @param __mode Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"> * @c ios_base::out is automatically included in @a mode.</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="comment"> * Initializes @c sb using @a str and @c mode|out, and passes @c &sb</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> * to the base class initializer.</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"> * string class does its own memory management.</span></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="keyword">explicit</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"><a class="line" href="a00648.html#ab86531872ed1bc23cd1951aca4d6fe3d"> 441</a></span>  <a class="code" href="a00648.html#ab86531872ed1bc23cd1951aca4d6fe3d">basic_ostringstream</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __str,</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  ios_base::openmode __mode = <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a>)</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  : <a class="code" href="a00451.html">__ostream_type</a>(), _M_stringbuf(__str, __mode | <a class="code" href="a00791.html">ios_base</a>::<a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">out</a>)</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  { this-><a class="code" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</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"> 446</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment"> * @brief The destructor does nothing.</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> * The buffer is deallocated by the stringbuf object, not the</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> * formatting stream.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"><a class="line" href="a00648.html#a158cb1d8aa30780afd86d6f7c046a55c"> 452</a></span>  <a class="code" href="a00648.html#a158cb1d8aa30780afd86d6f7c046a55c">~basic_ostringstream</a>()</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  { }</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> </div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="comment">// Members:</span><span class="comment"></span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"> * @brief Accessing the underlying buffer.</span></div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"> * @return The current basic_stringbuf buffer.</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> * This hides both signatures of std::basic_ios::rdbuf().</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  __stringbuf_type*</div>
<div class="line"><a name="l00463"></a><span class="lineno"><a class="line" href="a00648.html#afc0da997a390169b19dfeec0967e8caf"> 463</a></span>  <a class="code" href="a00648.html#afc0da997a390169b19dfeec0967e8caf">rdbuf</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">const_cast<</span>__stringbuf_type*<span class="keyword">></span>(&_M_stringbuf); }</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="comment"></span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="comment"> * @brief Copying out the string buffer.</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="comment"> * @return @c rdbuf()->str()</span></div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  __string_type</div>
<div class="line"><a name="l00471"></a><span class="lineno"><a class="line" href="a00648.html#a3d7078c96325e15c08c4211c54dfcefd"> 471</a></span>  <a class="code" href="a00648.html#a3d7078c96325e15c08c4211c54dfcefd">str</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_stringbuf.str(); }</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment"></span></div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment"> * @brief Setting a new buffer.</span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"> * @param __s The string to use as a new sequence.</span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="comment"> * Calls @c rdbuf()->str(s).</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="keywordtype">void</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"><a class="line" href="a00648.html#a1bfbc5ef2c20f06dfbbe8bf046cffa3a"> 481</a></span>  <a class="code" href="a00648.html#a1bfbc5ef2c20f06dfbbe8bf046cffa3a">str</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __s)</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  { _M_stringbuf.str(__s); }</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  };</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">// [27.7.4] Template class basic_stringstream</span><span class="comment"></span></div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> * @brief Controlling input and output for std::string.</span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> * @ingroup io</span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> * @tparam _CharT Type of character stream.</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> * @tparam _Traits Traits for character type, defaults to</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> * char_traits<_CharT>.</span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment"> * @tparam _Alloc Allocator type, defaults to allocator<_CharT>.</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment"> * This class supports reading from and writing to objects of type</span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="comment"> * std::basic_string, using the inherited functions from</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="comment"> * std::basic_iostream. To control the associated sequence, an instance</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</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="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="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="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">class </span>basic_stringstream : <span class="keyword">public</span> basic_iostream<_CharT, _Traits></div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  {</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="comment">// Types:</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keyword">typedef</span> _CharT char_type;</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keyword">typedef</span> _Traits traits_type;</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="comment">// 251. basic_stringbuf missing allocator_type</span></div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keyword">typedef</span> _Alloc allocator_type;</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::int_type int_type;</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::pos_type pos_type;</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> traits_type::off_type off_type;</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> </div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="comment">// Non-standard Types:</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">typedef</span> basic_string<_CharT, _Traits, _Alloc> __string_type;</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keyword">typedef</span> basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">typedef</span> basic_iostream<char_type, traits_type> __iostream_type;</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  __stringbuf_type _M_stringbuf;</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> </div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="comment">// Constructors/destructors</span><span class="comment"></span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"> * @brief Default constructor starts with an empty string buffer.</span></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="comment"> * @param __m Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="comment"> * Initializes @c sb using the mode from @c __m, and passes @c</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="comment"> * &sb to the base class initializer. Does not allocate any</span></div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="comment"> * buffer.</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="comment"> * That's a lie. We initialize the base class with NULL, because the</span></div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="comment"> * string class does its own memory management.</span></div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keyword">explicit</span></div>
<div class="line"><a name="l00537"></a><span class="lineno"><a class="line" href="a00651.html#a40b73a4835bc74332079555beec1dda3"> 537</a></span>  <a class="code" href="a00651.html#a40b73a4835bc74332079555beec1dda3">basic_stringstream</a>(ios_base::openmode __m = <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a> | ios_base::in)</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  : <a class="code" href="a00449.html">__iostream_type</a>(), _M_stringbuf(__m)</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  { this-><a class="code" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="comment"></span></div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment"> * @brief Starts with an existing string buffer.</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="comment"> * @param __str A string to copy as a starting buffer.</span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="comment"> * @param __m Whether the buffer can read, or write, or both.</span></div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> <span class="comment"> * Initializes @c sb using @a __str and @c __m, and passes @c &sb</span></div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="comment"> * to the base class initializer.</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"> * That's a lie. We initialize the base class with NULL, because the</span></div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="comment"> * string class does its own memory management.</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="keyword">explicit</span></div>
<div class="line"><a name="l00553"></a><span class="lineno"><a class="line" href="a00651.html#a441ffb983d534b288151ff70610ad42b"> 553</a></span>  <a class="code" href="a00651.html#a441ffb983d534b288151ff70610ad42b">basic_stringstream</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __str,</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  ios_base::openmode __m = <a class="code" href="a00791.html#a7187e216e5d16ec820ea1791002f85e0">ios_base::out</a> | ios_base::in)</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  : <a class="code" href="a00449.html">__iostream_type</a>(), _M_stringbuf(__str, __m)</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  { this-><a class="code" href="a00448.html#a62a4b454cbedd686b89e48fa9d6160c4">init</a>(&_M_stringbuf); }</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <span class="comment"></span></div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="comment"> * @brief The destructor does nothing.</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="comment"> * The buffer is deallocated by the stringbuf object, not the</span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="comment"> * formatting stream.</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"><a class="line" href="a00651.html#a2fe66a8d73dcf33d78ad41df02328fe4"> 564</a></span>  <a class="code" href="a00651.html#a2fe66a8d73dcf33d78ad41df02328fe4">~basic_stringstream</a>()</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  { }</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> </div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="comment">// Members:</span><span class="comment"></span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="comment"> * @brief Accessing the underlying buffer.</span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="comment"> * @return The current basic_stringbuf buffer.</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"> * This hides both signatures of std::basic_ios::rdbuf().</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  __stringbuf_type*</div>
<div class="line"><a name="l00575"></a><span class="lineno"><a class="line" href="a00651.html#a18d65213a77664ce7c01520699c6eb48"> 575</a></span>  <a class="code" href="a00651.html#a18d65213a77664ce7c01520699c6eb48">rdbuf</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">const_cast<</span>__stringbuf_type*<span class="keyword">></span>(&_M_stringbuf); }</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="comment"> /**</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="comment"> * @brief Copying out the string buffer.</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="comment"> * @return @c rdbuf()->str()</span></div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  __string_type</div>
<div class="line"><a name="l00583"></a><span class="lineno"><a class="line" href="a00651.html#aca7b1994b99beba98fee625b3dfe66ed"> 583</a></span>  <a class="code" href="a00651.html#aca7b1994b99beba98fee625b3dfe66ed">str</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_stringbuf.str(); }</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="comment"></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"> * @brief Setting a new buffer.</span></div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="comment"> * @param __s The string to use as a new sequence.</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"> 590</span> <span class="comment"> * Calls @c rdbuf()->str(s).</span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00593"></a><span class="lineno"><a class="line" href="a00651.html#a84b6a2da124b5f937c3f5dfa12d70957"> 593</a></span>  <a class="code" href="a00651.html#a84b6a2da124b5f937c3f5dfa12d70957">str</a>(<span class="keyword">const</span> <a class="code" href="a00453.html">__string_type</a>& __s)</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  { _M_stringbuf.str(__s); }</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> </div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> _GLIBCXX_END_NAMESPACE_VERSION</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> } <span class="comment">// namespace</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> </div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="preprocessor">#include <<a class="code" href="a01538.html">bits/sstream.tcc</a>></span></div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> </div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="preprocessor">#endif </span><span class="comment">/* _GLIBCXX_SSTREAM */</span><span class="preprocessor"></span></div>
<div class="ttc" id="a00453_html_a7998fb98c9eddd604864547d4ed4a80f"><div class="ttname"><a href="a00453.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="a01053_source.html#l01810">basic_string.h:1810</a></div></div>
<div class="ttc" id="a00650_html_a3ecbb2133b5c6b598b0344b7cbbe1757"><div class="ttname"><a href="a00650.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="a01537_source.html#l00202">sstream:202</a></div></div>
<div class="ttc" id="a00651_html_a18d65213a77664ce7c01520699c6eb48"><div class="ttname"><a href="a00651.html#a18d65213a77664ce7c01520699c6eb48">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="a01537_source.html#l00575">sstream:575</a></div></div>
<div class="ttc" id="a00791_html_a7187e216e5d16ec820ea1791002f85e0"><div class="ttname"><a href="a00791.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="a01315_source.html#l00378">ios_base.h:378</a></div></div>
<div class="ttc" id="a00791_html"><div class="ttname"><a href="a00791.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="a01315_source.html#l00199">ios_base.h:199</a></div></div>
<div class="ttc" id="a00645_html_a81881e8365e3f3720a00c37cd8a828cd"><div class="ttname"><a href="a00645.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="a01537_source.html#l00337">sstream:337</a></div></div>
<div class="ttc" id="a00791_html_ad22225874e26210dfe11263279587e75"><div class="ttname"><a href="a00791.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="a01315_source.html#l00367">ios_base.h:367</a></div></div>
<div class="ttc" id="a00645_html_a88077d8802d2b04e0ca4d0f5e7f759ed"><div class="ttname"><a href="a00645.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="a01537_source.html#l00326">sstream:326</a></div></div>
<div class="ttc" id="a00648_html_a158cb1d8aa30780afd86d6f7c046a55c"><div class="ttname"><a href="a00648.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="a01537_source.html#l00452">sstream:452</a></div></div>
<div class="ttc" id="a00450_html"><div class="ttname"><a href="a00450.html">std::basic_istream</a></div><div class="ttdoc">Template class basic_istream. </div><div class="ttdef"><b>Definition:</b> <a href="a01316_source.html#l00083">iosfwd:83</a></div></div>
<div class="ttc" id="a00648_html_acb3c684555f7a13d5de15b20fd8f491c"><div class="ttname"><a href="a00648.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="a01537_source.html#l00423">sstream:423</a></div></div>
<div class="ttc" id="a00452_html_a40fb7ed23cd6414206fc5616ab651275"><div class="ttname"><a href="a00452.html#a40fb7ed23cd6414206fc5616ab651275">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="a01572_source.html#l00532">streambuf:532</a></div></div>
<div class="ttc" id="a00453_html_a676f896c88073521cfac7aab5f3da5af"><div class="ttname"><a href="a00453.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="a01053_source.html#l00715">basic_string.h:715</a></div></div>
<div class="ttc" id="a00791_html_abc6732e5a0d9dc40b79e2fe6e32e7b09"><div class="ttname"><a href="a00791.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="a01315_source.html#l00364">ios_base.h:364</a></div></div>
<div class="ttc" id="a00650_html_ac61ba779db3a0af0973ab5222c78fa0b"><div class="ttname"><a href="a00650.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="a01537_source.html#l00083">sstream:83</a></div></div>
<div class="ttc" id="a00452_html_a3ea4ba600f85337465d093a30519ad91"><div class="ttname"><a href="a00452.html#a3ea4ba600f85337465d093a30519ad91">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="a01572_source.html#l00529">streambuf:529</a></div></div>
<div class="ttc" id="a00645_html_a2fbfea022fa97e569449d644cd38cb4b"><div class="ttname"><a href="a00645.html#a2fbfea022fa97e569449d644cd38cb4b">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="a01537_source.html#l00356">sstream:356</a></div></div>
<div class="ttc" id="a01662_html_a05eef5582eb5de62b76db4916f7adb84"><div class="ttname"><a href="a01662.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="a01426_source.html#l00098">postypes.h:98</a></div></div>
<div class="ttc" id="a00650_html_a763bee40dfc04e2ee2816e322c3af297"><div class="ttname"><a href="a00650.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="a01538_source.html#l00197">sstream.tcc:197</a></div></div>
<div class="ttc" id="a00448_html_a62a4b454cbedd686b89e48fa9d6160c4"><div class="ttname"><a href="a00448.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="a01051_source.html#l00126">basic_ios.tcc:126</a></div></div>
<div class="ttc" id="a01653_html_ac125ef57d80f05d3af4d85475e2351ea"><div class="ttname"><a href="a01653.html#ac125ef57d80f05d3af4d85475e2351ea">__gnu_debug::__base</a></div><div class="ttdeci">_Siter_base< _Iterator >::iterator_type __base(_Iterator __it)</div><div class="ttdef"><b>Definition:</b> <a href="a01259_source.html#l00546">functions.h:546</a></div></div>
<div class="ttc" id="a01318_html"><div class="ttname"><a href="a01318.html">istream</a></div></div>
<div class="ttc" id="a00648_html_ab86531872ed1bc23cd1951aca4d6fe3d"><div class="ttname"><a href="a00648.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="a01537_source.html#l00441">sstream:441</a></div></div>
<div class="ttc" id="a00651_html_a40b73a4835bc74332079555beec1dda3"><div class="ttname"><a href="a00651.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="a01537_source.html#l00537">sstream:537</a></div></div>
<div class="ttc" id="a00650_html_ad77cb6076e9bbe139be0ea417c07b3e9"><div class="ttname"><a href="a00650.html#ad77cb6076e9bbe139be0ea417c07b3e9">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="a01537_source.html#l00126">sstream:126</a></div></div>
<div class="ttc" id="a01538_html"><div class="ttname"><a href="a01538.html">sstream.tcc</a></div></div>
<div class="ttc" id="a00453_html_aaf800493abc5157b122532f5553c7473"><div class="ttname"><a href="a00453.html#aaf800493abc5157b122532f5553c7473">std::basic_string::clear</a></div><div class="ttdeci">void clear() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="a01053_source.html#l00803">basic_string.h:803</a></div></div>
<div class="ttc" id="a01662_html_a7d6d850b7c581f119ba12205c6037635"><div class="ttname"><a href="a01662.html#a7d6d850b7c581f119ba12205c6037635">std::size</a></div><div class="ttdeci">constexpr size_t size() const noexcept</div><div class="ttdoc">Returns the total number of bits. </div><div class="ttdef"><b>Definition:</b> <a href="a01061_source.html#l01282">bitset:1282</a></div></div>
<div class="ttc" id="a00650_html_a24490a3224662a3c57cbb8f591b2acbc"><div class="ttname"><a href="a00650.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="a01537_source.html#l00170">sstream:170</a></div></div>
<div class="ttc" id="a00452_html_a8a98bb10a958b9f1ad62e5444ff614ba"><div class="ttname"><a href="a00452.html#a8a98bb10a958b9f1ad62e5444ff614ba">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="a01572_source.html#l00482">streambuf:482</a></div></div>
<div class="ttc" id="a00651_html_a84b6a2da124b5f937c3f5dfa12d70957"><div class="ttname"><a href="a00651.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="a01537_source.html#l00593">sstream:593</a></div></div>
<div class="ttc" id="a00650_html_a54d0b95ccabadaa97884f3c54f1943d2"><div class="ttname"><a href="a00650.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="a01537_source.html#l00150">sstream:150</a></div></div>
<div class="ttc" id="a00791_html_a652e2323949eea3d906e1c81bd8ce8f7"><div class="ttname"><a href="a00791.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="a01315_source.html#l00375">ios_base.h:375</a></div></div>
<div class="ttc" id="a00650_html_a37b53ee2a13c652e61c4db6cc1f47b51"><div class="ttname"><a href="a00650.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="a01537_source.html#l00111">sstream:111</a></div></div>
<div class="ttc" id="a00449_html"><div class="ttname"><a href="a00449.html">std::basic_iostream</a></div><div class="ttdoc">Template class basic_iostream. </div><div class="ttdef"><b>Definition:</b> <a href="a01316_source.html#l00089">iosfwd:89</a></div></div>
<div class="ttc" id="a01400_html"><div class="ttname"><a href="a01400.html">ostream</a></div></div>
<div class="ttc" id="a00651_html_a441ffb983d534b288151ff70610ad42b"><div class="ttname"><a href="a00651.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="a01537_source.html#l00553">sstream:553</a></div></div>
<div class="ttc" id="a00452_html_ad631f06db33ec1d3888302ec244a6ae9"><div class="ttname"><a href="a00452.html#ad631f06db33ec1d3888302ec244a6ae9">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="a01572_source.html#l00485">streambuf:485</a></div></div>
<div class="ttc" id="a00650_html_a51561fccb6d01fb598c1885de0defc71"><div class="ttname"><a href="a00650.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="a01538_source.html#l00131">sstream.tcc:131</a></div></div>
<div class="ttc" id="a00452_html"><div class="ttname"><a href="a00452.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="a01316_source.html#l00080">iosfwd:80</a></div></div>
<div class="ttc" id="a00650_html_a87ffed7ed9940e5952303b31be0b6a11"><div class="ttname"><a href="a00650.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="a01538_source.html#l00149">sstream.tcc:149</a></div></div>
<div class="ttc" id="a00645_html_a4040d59ec2be579cca6a91fb5595553e"><div class="ttname"><a href="a00645.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="a01537_source.html#l00366">sstream:366</a></div></div>
<div class="ttc" id="a00452_html_a38c9b562c20b30bf9d21cf0e4dc90356"><div class="ttname"><a href="a00452.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="a01572_source.html#l00509">streambuf:509</a></div></div>
<div class="ttc" id="a00452_html_a271d085f48ab53194825e04e7caab94c"><div class="ttname"><a href="a00452.html#a271d085f48ab53194825e04e7caab94c">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="a01572_source.html#l00488">streambuf:488</a></div></div>
<div class="ttc" id="a00651_html_aca7b1994b99beba98fee625b3dfe66ed"><div class="ttname"><a href="a00651.html#aca7b1994b99beba98fee625b3dfe66ed">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="a01537_source.html#l00583">sstream:583</a></div></div>
<div class="ttc" id="a00651_html_a2fe66a8d73dcf33d78ad41df02328fe4"><div class="ttname"><a href="a00651.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="a01537_source.html#l00564">sstream:564</a></div></div>
<div class="ttc" id="a00645_html_ae80f86a4cebe228a443076bc0d70ef59"><div class="ttname"><a href="a00645.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="a01537_source.html#l00308">sstream:308</a></div></div>
<div class="ttc" id="a00645_html_a2c6464a59778504f415be566ca09281b"><div class="ttname"><a href="a00645.html#a2c6464a59778504f415be566ca09281b">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="a01537_source.html#l00348">sstream:348</a></div></div>
<div class="ttc" id="a00453_html"><div class="ttname"><a href="a00453.html">std::basic_string< char_type, _Traits, _Alloc ></a></div></div>
<div class="ttc" id="a00451_html"><div class="ttname"><a href="a00451.html">std::basic_ostream</a></div><div class="ttdoc">Template class basic_ostream. </div><div class="ttdef"><b>Definition:</b> <a href="a01316_source.html#l00086">iosfwd:86</a></div></div>
<div class="ttc" id="a00648_html_afc0da997a390169b19dfeec0967e8caf"><div class="ttname"><a href="a00648.html#afc0da997a390169b19dfeec0967e8caf">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="a01537_source.html#l00463">sstream:463</a></div></div>
<div class="ttc" id="a00453_html_a40c0c4216ddc30d2d77595a0af24e0a6"><div class="ttname"><a href="a00453.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="a01054_source.html#l00243">basic_string.tcc:243</a></div></div>
<div class="ttc" id="a00650_html_a19b9cff5db05affb68557688c6130409"><div class="ttname"><a href="a00650.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="a01537_source.html#l00098">sstream:98</a></div></div>
<div class="ttc" id="a00648_html_a3d7078c96325e15c08c4211c54dfcefd"><div class="ttname"><a href="a00648.html#a3d7078c96325e15c08c4211c54dfcefd">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="a01537_source.html#l00471">sstream:471</a></div></div>
<div class="ttc" id="a00648_html_a1bfbc5ef2c20f06dfbbe8bf046cffa3a"><div class="ttname"><a href="a00648.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="a01537_source.html#l00481">sstream:481</a></div></div>
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