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<a href="a01073.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">// Short-string-optimized versatile string base -*- 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) 2005-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/** @file ext/sso_string_base.h</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Do not attempt to use it directly. @headername{ext/vstring.h}</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> */</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef _SSO_STRING_BASE_H</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define _SSO_STRING_BASE_H 1</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span><a class="code" href="a01544.html">__gnu_cxx</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="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="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">class </span>__sso_string_base</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  : <span class="keyword">protected</span> __vstring_utility<_CharT, _Traits, _Alloc></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">public</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">typedef</span> _Traits traits_type;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Traits::char_type value_type;</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="keyword">typedef</span> __vstring_utility<_CharT, _Traits, _Alloc> _Util_Base;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Util_Base::_CharT_alloc_type _CharT_alloc_type;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _CharT_alloc_type::size_type size_type;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// Data Members:</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">typename</span> _Util_Base::template _Alloc_hider<_CharT_alloc_type></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  _M_dataplus;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  size_type _M_string_length;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">enum</span> { _S_local_capacity = 15 };</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">union</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  _CharT _M_local_data[_S_local_capacity + 1];</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  size_type _M_allocated_capacity;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  };</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  _M_data(_CharT* __p)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  { _M_dataplus._M_p = __p; }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  _M_length(size_type __length)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  { _M_string_length = __length; }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  _M_capacity(size_type __capacity)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  { _M_allocated_capacity = __capacity; }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  _M_is_local()<span class="keyword"> const</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_data() == _M_local_data; }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// Create & Destroy</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  _CharT*</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  _M_create(size_type&, size_type);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  _M_dispose()</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (!_M_is_local())</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  _M_destroy(_M_allocated_capacity);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  _M_destroy(size_type __size) <span class="keywordflow">throw</span>()</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  { _M_get_allocator().deallocate(_M_data(), __size + 1); }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// _M_construct_aux is used to implement the 21.3.1 para 15 which</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// requires special behaviour if _InIterator is an integral type</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InIterator></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  _M_construct_aux(_InIterator __beg, _InIterator __end, </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  std::__false_type)</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="keyword">typedef</span> <span class="keyword">typename</span> iterator_traits<_InIterator>::iterator_category _Tag;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  _M_construct(__beg, __end, _Tag());</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// 438. Ambiguity in the "do the right thing" clause</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Integer></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  _M_construct_aux(_Integer __beg, _Integer __end, std::__true_type)</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  { _M_construct_aux_2(static_cast<size_type>(__beg), __end); }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  _M_construct_aux_2(size_type __req, _CharT __c)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  { _M_construct(__req, __c); }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InIterator></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  _M_construct(_InIterator __beg, _InIterator __end)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> std::__is_integer<_InIterator>::__type _Integral;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  _M_construct_aux(__beg, __end, _Integral());</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// For Input Iterators, used in istreambuf_iterators, etc.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InIterator></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  _M_construct(_InIterator __beg, _InIterator __end,</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="a07652.html">std::input_iterator_tag</a>);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// For forward_iterators up to random_access_iterators, used for</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// string::iterator, _CharT*, etc.</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _FwdIterator></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  _M_construct(_FwdIterator __beg, _FwdIterator __end,</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="a07660.html">std::forward_iterator_tag</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="keywordtype">void</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  _M_construct(size_type __req, _CharT __c);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  size_type</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  _M_max_size()<span class="keyword"> const</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (_M_get_allocator().max_size() - 1) / 2; }</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  _CharT*</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  _M_data()<span class="keyword"> const</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_dataplus._M_p; }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  size_type</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  _M_length()<span class="keyword"> const</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_string_length; }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  size_type</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  _M_capacity()<span class="keyword"> const</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> _M_is_local() ? size_type(_S_local_capacity)</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  : _M_allocated_capacity; </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  _M_is_shared()<span class="keyword"> const</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  _M_set_leaked() { }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  _M_leak() { }</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  _M_set_length(size_type __n)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  _M_length(__n);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  traits_type::assign(_M_data()[__n], _CharT());</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  __sso_string_base()</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  : _M_dataplus(_M_local_data)</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  { _M_set_length(0); }</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>  __sso_string_base(<span class="keyword">const</span> _Alloc& __a);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  __sso_string_base(<span class="keyword">const</span> __sso_string_base& __rcs);</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  __sso_string_base(__sso_string_base&& __rcs);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  __sso_string_base(size_type __n, _CharT __c, <span class="keyword">const</span> _Alloc& __a);</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InputIterator></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  __sso_string_base(_InputIterator __beg, _InputIterator __end,</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">const</span> _Alloc& __a);</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  ~__sso_string_base()</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  { _M_dispose(); }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  _CharT_alloc_type&</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  _M_get_allocator()</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  { <span class="keywordflow">return</span> _M_dataplus; }</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> _CharT_alloc_type&</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  _M_get_allocator()<span class="keyword"> const</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_dataplus; }</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="keywordtype">void</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  _M_swap(__sso_string_base& __rcs);</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  _M_assign(<span class="keyword">const</span> __sso_string_base& __rcs);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  _M_reserve(size_type __res);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  _M_mutate(size_type __pos, size_type __len1, <span class="keyword">const</span> _CharT* __s,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  size_type __len2);</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>  <span class="keywordtype">void</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  _M_erase(size_type __pos, size_type __n);</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  _M_clear()</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  { _M_set_length(0); }</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  _M_compare(<span class="keyword">const</span> __sso_string_base&)<span class="keyword"> const</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  };</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</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="l00232"></a><span class="lineno"> 232</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  _M_swap(__sso_string_base& __rcs)</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  {</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == &__rcs)</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span>;</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="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// 431. Swapping containers with unequal allocators.</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  std::__alloc_swap<_CharT_alloc_type>::_S_do_it(_M_get_allocator(),</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  __rcs._M_get_allocator());</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (_M_is_local())</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (__rcs._M_is_local())</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>  <span class="keywordflow">if</span> (_M_length() && __rcs._M_length())</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>  _CharT __tmp_data[_S_local_capacity + 1];</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  traits_type::copy(__tmp_data, __rcs._M_local_data,</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  traits_type::copy(__rcs._M_local_data, _M_local_data,</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  traits_type::copy(_M_local_data, __tmp_data,</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (__rcs._M_length())</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  {</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  traits_type::copy(_M_local_data, __rcs._M_local_data,</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  _M_length(__rcs._M_length());</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  __rcs._M_set_length(0);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_length())</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  traits_type::copy(__rcs._M_local_data, _M_local_data,</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  __rcs._M_length(_M_length());</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  _M_set_length(0);</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  {</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">const</span> size_type __tmp_capacity = __rcs._M_allocated_capacity;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  traits_type::copy(__rcs._M_local_data, _M_local_data,</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  _M_data(__rcs._M_data());</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  __rcs._M_data(__rcs._M_local_data);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  _M_capacity(__tmp_capacity);</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">else</span></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="keyword">const</span> size_type __tmp_capacity = _M_allocated_capacity;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (__rcs._M_is_local())</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  traits_type::copy(_M_local_data, __rcs._M_local_data,</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  __rcs._M_data(_M_data());</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  _M_data(_M_local_data);</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="keywordflow">else</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  {</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  _CharT* __tmp_ptr = _M_data();</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  _M_data(__rcs._M_data());</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  __rcs._M_data(__tmp_ptr);</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  _M_capacity(__rcs._M_allocated_capacity);</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  __rcs._M_capacity(__tmp_capacity);</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">const</span> size_type __tmp_length = _M_length();</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  _M_length(__rcs._M_length());</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  __rcs._M_length(__tmp_length);</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div><div class="line"><a name="l00308"></a><span class="lineno"> 308</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="l00309"></a><span class="lineno"> 309</span>  _CharT*</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  _M_create(size_type& __capacity, size_type __old_capacity)</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  {</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// 83. String::npos vs. string::max_size()</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (__capacity > _M_max_size())</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  std::__throw_length_error(__N(<span class="stringliteral">"__sso_string_base::_M_create"</span>));</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// The below implements an exponential growth policy, necessary to</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// meet amortized linear time requirements of the library: see</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="comment">// http://gcc.gnu.org/ml/libstdc++/2001-07/msg00085.html.</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> (__capacity > __old_capacity && __capacity < 2 * __old_capacity)</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  {</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  __capacity = 2 * __old_capacity;</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// Never allocate a string bigger than max_size.</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (__capacity > _M_max_size())</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  __capacity = _M_max_size();</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">// NB: Need an array of char_type[__capacity], plus a terminating</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">// null char_type() element.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">return</span> _M_get_allocator().allocate(__capacity + 1);</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <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="l00335"></a><span class="lineno"> 335</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  __sso_string_base(<span class="keyword">const</span> _Alloc& __a)</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  : _M_dataplus(__a, _M_local_data)</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  { _M_set_length(0); }</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="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="l00341"></a><span class="lineno"> 341</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  __sso_string_base(<span class="keyword">const</span> __sso_string_base& __rcs)</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  : _M_dataplus(__rcs._M_get_allocator(), _M_local_data)</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  { _M_construct(__rcs._M_data(), __rcs._M_data() + __rcs._M_length()); }</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</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="l00348"></a><span class="lineno"> 348</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  __sso_string_base(__sso_string_base&& __rcs)</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  : _M_dataplus(__rcs._M_get_allocator(), _M_local_data)</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  {</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (__rcs._M_is_local())</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  {</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">if</span> (__rcs._M_length())</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  traits_type::copy(_M_local_data, __rcs._M_local_data,</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  _S_local_capacity + 1);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  {</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  _M_data(__rcs._M_data());</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  _M_capacity(__rcs._M_allocated_capacity);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  _M_set_length(__rcs._M_length());</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  __rcs._M_data(__rcs._M_local_data);</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  __rcs._M_set_length(0);</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#endif</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>  <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="l00371"></a><span class="lineno"> 371</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  __sso_string_base(size_type __n, _CharT __c, <span class="keyword">const</span> _Alloc& __a)</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  : _M_dataplus(__a, _M_local_data)</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  { _M_construct(__n, __c); }</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div><div class="line"><a name="l00376"></a><span class="lineno"> 376</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="l00377"></a><span class="lineno"> 377</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InputIterator></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  __sso_string_base(_InputIterator __beg, _InputIterator __end,</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keyword">const</span> _Alloc& __a)</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  : _M_dataplus(__a, _M_local_data)</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  { _M_construct(__beg, __end); }</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">// NB: This is the special case for Input Iterators, used in</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">// istreambuf_iterators, etc.</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// Input Iterators have a cost structure very different from</span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// pointers, calling for a different coding style.</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</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="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InIterator></div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  _M_construct(_InIterator __beg, _InIterator __end,</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <a class="code" href="a07652.html">std::input_iterator_tag</a>)</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  {</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  size_type __len = 0;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  size_type __capacity = size_type(_S_local_capacity);</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">while</span> (__beg != __end && __len < __capacity)</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>  _M_data()[__len++] = *__beg;</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  ++__beg;</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  </div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  __try</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  {</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">while</span> (__beg != __end)</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="keywordflow">if</span> (__len == __capacity)</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  {</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="comment">// Allocate more space.</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  __capacity = __len + 1;</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  _CharT* __another = _M_create(__capacity, __len);</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  this->_S_copy(__another, _M_data(), __len);</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  _M_dispose();</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  _M_data(__another);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  _M_capacity(__capacity);</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  _M_data()[__len++] = *__beg;</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  ++__beg;</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  }</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  __catch(...)</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  _M_dispose();</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  __throw_exception_again;</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  _M_set_length(__len);</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <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="l00432"></a><span class="lineno"> 432</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _InIterator></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  _M_construct(_InIterator __beg, _InIterator __end,</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <a class="code" href="a07660.html">std::forward_iterator_tag</a>)</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  {</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="comment">// NB: Not required, but considered best practice.</span></div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">if</span> (__is_null_pointer(__beg) && __beg != __end)</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  std::__throw_logic_error(__N(<span class="stringliteral">"__sso_string_base::"</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="stringliteral">"_M_construct null not valid"</span>));</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  size_type __dnew = static_cast<size_type>(<a class="code" href="a01538.html#a99b049793a96260d190d781f847038bc">std::distance</a>(__beg, __end));</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> </div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">if</span> (__dnew > size_type(_S_local_capacity))</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  {</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  _M_data(_M_create(__dnew, size_type(0)));</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  _M_capacity(__dnew);</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  }</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">// Check for out_of_range and length_error exceptions.</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  __try</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  { this->_S_copy_chars(_M_data(), __beg, __end); }</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  __catch(...)</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  {</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  _M_dispose();</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  __throw_exception_again;</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  }</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  _M_set_length(__dnew);</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  }</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div><div class="line"><a name="l00463"></a><span class="lineno"> 463</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="l00464"></a><span class="lineno"> 464</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  _M_construct(size_type __n, _CharT __c)</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  {</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">if</span> (__n > size_type(_S_local_capacity))</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  {</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  _M_data(_M_create(__n, size_type(0)));</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  _M_capacity(__n);</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  }</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> </div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (__n)</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  this->_S_assign(_M_data(), __n, __c);</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> </div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  _M_set_length(__n);</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  }</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> </div><div class="line"><a name="l00480"></a><span class="lineno"> 480</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="l00481"></a><span class="lineno"> 481</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  _M_assign(<span class="keyword">const</span> __sso_string_base& __rcs)</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>  <span class="keywordflow">if</span> (<span class="keyword">this</span> != &__rcs)</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  {</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keyword">const</span> size_type __rsize = __rcs._M_length();</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keyword">const</span> size_type __capacity = _M_capacity();</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">if</span> (__rsize > __capacity)</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  {</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  size_type __new_capacity = __rsize;</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  _CharT* __tmp = _M_create(__new_capacity, __capacity);</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  _M_dispose();</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  _M_data(__tmp);</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  _M_capacity(__new_capacity);</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">if</span> (__rsize)</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  this->_S_copy(_M_data(), __rcs._M_data(), __rsize);</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> </div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  _M_set_length(__rsize);</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>  }</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> </div><div class="line"><a name="l00506"></a><span class="lineno"> 506</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="l00507"></a><span class="lineno"> 507</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  _M_reserve(size_type __res)</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  {</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="comment">// Make sure we don't shrink below the current size.</span></div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">if</span> (__res < _M_length())</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  __res = _M_length();</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="keyword">const</span> size_type __capacity = _M_capacity();</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">if</span> (__res != __capacity)</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  {</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">if</span> (__res > __capacity</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  || __res > size_type(_S_local_capacity))</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  {</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  _CharT* __tmp = _M_create(__res, __capacity);</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  this->_S_copy(__tmp, _M_data(), _M_length() + 1);</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  _M_dispose();</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  _M_data(__tmp);</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  _M_capacity(__res);</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  }</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!_M_is_local())</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  {</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  this->_S_copy(_M_local_data, _M_data(), _M_length() + 1);</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  _M_destroy(__capacity);</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  _M_data(_M_local_data);</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  }</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  }</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  }</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span> </div><div class="line"><a name="l00536"></a><span class="lineno"> 536</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="l00537"></a><span class="lineno"> 537</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  _M_mutate(size_type __pos, size_type __len1, <span class="keyword">const</span> _CharT* __s,</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  size_type __len2)</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  {</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keyword">const</span> size_type __how_much = _M_length() - __pos - __len1;</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  </div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  size_type __new_capacity = _M_length() + __len2 - __len1;</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  _CharT* __r = _M_create(__new_capacity, _M_capacity());</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">if</span> (__pos)</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  this->_S_copy(__r, _M_data(), __pos);</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">if</span> (__s && __len2)</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  this->_S_copy(__r + __pos, __s, __len2);</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span> (__how_much)</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  this->_S_copy(__r + __pos + __len2,</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  _M_data() + __pos + __len1, __how_much);</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  </div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  _M_dispose();</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  _M_data(__r);</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  _M_capacity(__new_capacity);</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span> </div><div class="line"><a name="l00560"></a><span class="lineno"> 560</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="l00561"></a><span class="lineno"> 561</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  __sso_string_base<_CharT, _Traits, _Alloc>::</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  _M_erase(size_type __pos, size_type __n)</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  {</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keyword">const</span> size_type __how_much = _M_length() - __pos - __n;</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="keywordflow">if</span> (__how_much && __n)</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  this->_S_move(_M_data() + __pos, _M_data() + __pos + __n, __how_much);</div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span> </div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  _M_set_length(_M_length() - __n);</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  }</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span> </div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span> </div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="preprocessor">#endif </span><span class="comment">/* _SSO_STRING_BASE_H */</span><span class="preprocessor"></span></div><div class="ttc" id="a01544_html"><div class="ttname"><a href="a01544.html">__gnu_cxx</a></div><div class="ttdoc">GNU extensions for public use.</div></div>
<div class="ttc" id="a07652_html"><div class="ttname"><a href="a07652.html">std::input_iterator_tag</a></div><div class="ttdoc">Marking input iterators.</div><div class="ttdef"><b>Definition:</b> <a href="a00554_source.html#l00089">stl_iterator_base_types.h:89</a></div></div>
<div class="ttc" id="a07660_html"><div class="ttname"><a href="a07660.html">std::forward_iterator_tag</a></div><div class="ttdoc">Forward iterators support a superset of input iterator operations.</div><div class="ttdef"><b>Definition:</b> <a href="a00554_source.html#l00095">stl_iterator_base_types.h:95</a></div></div>
<div class="ttc" id="a01538_html_a99b049793a96260d190d781f847038bc"><div class="ttname"><a href="a01538.html#a99b049793a96260d190d781f847038bc">std::distance</a></div><div class="ttdeci">_GLIBCXX17_CONSTEXPR iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)</div><div class="ttdoc">A generalization of pointer arithmetic.</div><div class="ttdef"><b>Definition:</b> <a href="a00551_source.html#l00138">stl_iterator_base_funcs.h:138</a></div></div>
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