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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>LCOV - lcov.info - /usr/include/c++/4.3/bits/basic_string.tcc</title>
<link rel="stylesheet" type="text/css" href="../../../../../gcov.css">
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<body>
<table width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><td class="title">LTP GCOV extension - code coverage report</td></tr>
<tr><td class="ruler"><img src="../../../../../glass.png" width=3 height=3 alt=""></td></tr>
<tr>
<td width="100%">
<table cellpadding=1 border=0 width="100%">
<tr>
<td class="headerItem" width="20%">Current view:</td>
<td class="headerValue" width="80%" colspan=4><a href="../../../../../index.html">directory</a> - <a href="index.html">usr/include/c++/4.3/bits</a> - basic_string.tcc</td>
</tr>
<tr>
<td class="headerItem" width="20%">Test:</td>
<td class="headerValue" width="80%" colspan=4>lcov.info</td>
</tr>
<tr>
<td class="headerItem" width="20%">Date:</td>
<td class="headerValue" width="20%">2008-08-14</td>
<td width="20%"></td>
<td class="headerItem" width="20%">Instrumented lines:</td>
<td class="headerValue" width="20%">23</td>
</tr>
<tr>
<td class="headerItem" width="20%">Code covered:</td>
<td class="headerValue" width="20%">73.9 %</td>
<td width="20%"></td>
<td class="headerItem" width="20%">Executed lines:</td>
<td class="headerValue" width="20%">17</td>
</tr>
</table>
</td>
</tr>
<tr><td class="ruler"><img src="../../../../../glass.png" width=3 height=3 alt=""></td></tr>
</table>
<table cellpadding=0 cellspacing=0 border=0>
<tr>
<td><br></td>
</tr>
<tr>
<td><pre class="source">
<span class="lineNum"> 1 </span> : // Components for manipulating sequences of characters -*- C++ -*-
<span class="lineNum"> 2 </span> :
<span class="lineNum"> 3 </span> : // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
<span class="lineNum"> 4 </span> : // 2006, 2007
<span class="lineNum"> 5 </span> : // Free Software Foundation, Inc.
<span class="lineNum"> 6 </span> : //
<span class="lineNum"> 7 </span> : // This file is part of the GNU ISO C++ Library. This library is free
<span class="lineNum"> 8 </span> : // software; you can redistribute it and/or modify it under the
<span class="lineNum"> 9 </span> : // terms of the GNU General Public License as published by the
<span class="lineNum"> 10 </span> : // Free Software Foundation; either version 2, or (at your option)
<span class="lineNum"> 11 </span> : // any later version.
<span class="lineNum"> 12 </span> :
<span class="lineNum"> 13 </span> : // This library is distributed in the hope that it will be useful,
<span class="lineNum"> 14 </span> : // but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum"> 15 </span> : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<span class="lineNum"> 16 </span> : // GNU General Public License for more details.
<span class="lineNum"> 17 </span> :
<span class="lineNum"> 18 </span> : // You should have received a copy of the GNU General Public License along
<span class="lineNum"> 19 </span> : // with this library; see the file COPYING. If not, write to the Free
<span class="lineNum"> 20 </span> : // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
<span class="lineNum"> 21 </span> : // USA.
<span class="lineNum"> 22 </span> :
<span class="lineNum"> 23 </span> : // As a special exception, you may use this file as part of a free software
<span class="lineNum"> 24 </span> : // library without restriction. Specifically, if other files instantiate
<span class="lineNum"> 25 </span> : // templates or use macros or inline functions from this file, or you compile
<span class="lineNum"> 26 </span> : // this file and link it with other files to produce an executable, this
<span class="lineNum"> 27 </span> : // file does not by itself cause the resulting executable to be covered by
<span class="lineNum"> 28 </span> : // the GNU General Public License. This exception does not however
<span class="lineNum"> 29 </span> : // invalidate any other reasons why the executable file might be covered by
<span class="lineNum"> 30 </span> : // the GNU General Public License.
<span class="lineNum"> 31 </span> :
<span class="lineNum"> 32 </span> : /** @file basic_string.tcc
<span class="lineNum"> 33 </span> : * This is an internal header file, included by other library headers.
<span class="lineNum"> 34 </span> : * You should not attempt to use it directly.
<span class="lineNum"> 35 </span> : */
<span class="lineNum"> 36 </span> :
<span class="lineNum"> 37 </span> : //
<span class="lineNum"> 38 </span> : // ISO C++ 14882: 21 Strings library
<span class="lineNum"> 39 </span> : //
<span class="lineNum"> 40 </span> :
<span class="lineNum"> 41 </span> : // Written by Jason Merrill based upon the specification by Takanori Adachi
<span class="lineNum"> 42 </span> : // in ANSI X3J16/94-0013R2. Rewritten by Nathan Myers to ISO-14882.
<span class="lineNum"> 43 </span> :
<span class="lineNum"> 44 </span> : #ifndef _BASIC_STRING_TCC
<span class="lineNum"> 45 </span> : #define _BASIC_STRING_TCC 1
<span class="lineNum"> 46 </span> :
<span class="lineNum"> 47 </span> : #pragma GCC system_header
<span class="lineNum"> 48 </span> :
<span class="lineNum"> 49 </span> : #include <cxxabi-forced.h>
<span class="lineNum"> 50 </span> :
<span class="lineNum"> 51 </span> : _GLIBCXX_BEGIN_NAMESPACE(std)
<span class="lineNum"> 52 </span> :
<span class="lineNum"> 53 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 54 </span> : const typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 55 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 56 </span> : _Rep::_S_max_size = (((npos - sizeof(_Rep_base))/sizeof(_CharT)) - 1) / 4;
<span class="lineNum"> 57 </span> :
<span class="lineNum"> 58 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 59 </span> : const _CharT
<span class="lineNum"> 60 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 61 </span> : _Rep::_S_terminal = _CharT();
<span class="lineNum"> 62 </span> :
<span class="lineNum"> 63 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 64 </span> : const typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 65 </span> : basic_string<_CharT, _Traits, _Alloc>::npos;
<span class="lineNum"> 66 </span> :
<span class="lineNum"> 67 </span> : // Linker sets _S_empty_rep_storage to all 0s (one reference, empty string)
<span class="lineNum"> 68 </span> : // at static init time (before static ctors are run).
<span class="lineNum"> 69 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 70 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 71 </span> : basic_string<_CharT, _Traits, _Alloc>::_Rep::_S_empty_rep_storage[
<span class="lineNum"> 72 </span> : (sizeof(_Rep_base) + sizeof(_CharT) + sizeof(size_type) - 1) /
<span class="lineNum"> 73 </span> : sizeof(size_type)];
<span class="lineNum"> 74 </span> :
<span class="lineNum"> 75 </span> : // NB: This is the special case for Input Iterators, used in
<span class="lineNum"> 76 </span> : // istreambuf_iterators, etc.
<span class="lineNum"> 77 </span> : // Input Iterators have a cost structure very different from
<span class="lineNum"> 78 </span> : // pointers, calling for a different coding style.
<span class="lineNum"> 79 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 80 </span> : template<typename _InIterator>
<span class="lineNum"> 81 </span> : _CharT*
<span class="lineNum"> 82 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 83 </span> : _S_construct(_InIterator __beg, _InIterator __end, const _Alloc& __a,
<span class="lineNum"> 84 </span> : input_iterator_tag)
<span class="lineNum"> 85 </span> : {
<span class="lineNum"> 86 </span> : #ifndef _GLIBCXX_FULLY_DYNAMIC_STRING
<span class="lineNum"> 87 </span> : if (__beg == __end && __a == _Alloc())
<span class="lineNum"> 88 </span> : return _S_empty_rep()._M_refdata();
<span class="lineNum"> 89 </span> : #endif
<span class="lineNum"> 90 </span> : // Avoid reallocation for common case.
<span class="lineNum"> 91 </span> : _CharT __buf[128];
<span class="lineNum"> 92 </span> : size_type __len = 0;
<span class="lineNum"> 93 </span> : while (__beg != __end && __len < sizeof(__buf) / sizeof(_CharT))
<span class="lineNum"> 94 </span> : {
<span class="lineNum"> 95 </span> : __buf[__len++] = *__beg;
<span class="lineNum"> 96 </span> : ++__beg;
<span class="lineNum"> 97 </span> : }
<span class="lineNum"> 98 </span> : _Rep* __r = _Rep::_S_create(__len, size_type(0), __a);
<span class="lineNum"> 99 </span> : _M_copy(__r->_M_refdata(), __buf, __len);
<span class="lineNum"> 100 </span> : try
<span class="lineNum"> 101 </span> : {
<span class="lineNum"> 102 </span> : while (__beg != __end)
<span class="lineNum"> 103 </span> : {
<span class="lineNum"> 104 </span> : if (__len == __r->_M_capacity)
<span class="lineNum"> 105 </span> : {
<span class="lineNum"> 106 </span> : // Allocate more space.
<span class="lineNum"> 107 </span> : _Rep* __another = _Rep::_S_create(__len + 1, __len, __a);
<span class="lineNum"> 108 </span> : _M_copy(__another->_M_refdata(), __r->_M_refdata(), __len);
<span class="lineNum"> 109 </span> : __r->_M_destroy(__a);
<span class="lineNum"> 110 </span> : __r = __another;
<span class="lineNum"> 111 </span> : }
<span class="lineNum"> 112 </span> : __r->_M_refdata()[__len++] = *__beg;
<span class="lineNum"> 113 </span> : ++__beg;
<span class="lineNum"> 114 </span> : }
<span class="lineNum"> 115 </span> : }
<span class="lineNum"> 116 </span> : catch(...)
<span class="lineNum"> 117 </span> : {
<span class="lineNum"> 118 </span> : __r->_M_destroy(__a);
<span class="lineNum"> 119 </span> : __throw_exception_again;
<span class="lineNum"> 120 </span> : }
<span class="lineNum"> 121 </span> : __r->_M_set_length_and_sharable(__len);
<span class="lineNum"> 122 </span> : return __r->_M_refdata();
<span class="lineNum"> 123 </span> : }
<span class="lineNum"> 124 </span> :
<span class="lineNum"> 125 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 126 </span> : template <typename _InIterator>
<span class="lineNum"> 127 </span> : _CharT*
<span class="lineNum"> 128 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 129 </span> : _S_construct(_InIterator __beg, _InIterator __end, const _Alloc& __a,
<span class="lineNum"> 130 </span><span class="lineCov"> 1287 : forward_iterator_tag)</span>
<span class="lineNum"> 131 </span> : {
<span class="lineNum"> 132 </span> : #ifndef _GLIBCXX_FULLY_DYNAMIC_STRING
<span class="lineNum"> 133 </span><span class="lineCov"> 1287 : if (__beg == __end && __a == _Alloc())</span>
<span class="lineNum"> 134 </span><span class="lineNoCov"> 0 : return _S_empty_rep()._M_refdata();</span>
<span class="lineNum"> 135 </span> : #endif
<span class="lineNum"> 136 </span> : // NB: Not required, but considered best practice.
<span class="lineNum"> 137 </span><span class="lineCov"> 1287 : if (__builtin_expect(__gnu_cxx::__is_null_pointer(__beg)</span>
<span class="lineNum"> 138 </span> : && __beg != __end, 0))
<span class="lineNum"> 139 </span><span class="lineNoCov"> 0 : __throw_logic_error(__N("basic_string::_S_construct NULL not valid"));</span>
<span class="lineNum"> 140 </span> :
<span class="lineNum"> 141 </span> : const size_type __dnew = static_cast<size_type>(std::distance(__beg,
<span class="lineNum"> 142 </span><span class="lineCov"> 1287 : __end));</span>
<span class="lineNum"> 143 </span> : // Check for out_of_range and length_error exceptions.
<span class="lineNum"> 144 </span><span class="lineCov"> 1287 : _Rep* __r = _Rep::_S_create(__dnew, size_type(0), __a);</span>
<span class="lineNum"> 145 </span> : try
<span class="lineNum"> 146 </span><span class="lineCov"> 1287 : { _S_copy_chars(__r->_M_refdata(), __beg, __end); }</span>
<span class="lineNum"> 147 </span><span class="lineNoCov"> 0 : catch(...)</span>
<span class="lineNum"> 148 </span> : {
<span class="lineNum"> 149 </span><span class="lineNoCov"> 0 : __r->_M_destroy(__a);</span>
<span class="lineNum"> 150 </span><span class="lineNoCov"> 0 : __throw_exception_again;</span>
<span class="lineNum"> 151 </span> : }
<span class="lineNum"> 152 </span><span class="lineCov"> 1287 : __r->_M_set_length_and_sharable(__dnew);</span>
<span class="lineNum"> 153 </span><span class="lineCov"> 1287 : return __r->_M_refdata();</span>
<span class="lineNum"> 154 </span> : }
<span class="lineNum"> 155 </span> :
<span class="lineNum"> 156 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 157 </span> : _CharT*
<span class="lineNum"> 158 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 159 </span> : _S_construct(size_type __n, _CharT __c, const _Alloc& __a)
<span class="lineNum"> 160 </span> : {
<span class="lineNum"> 161 </span> : #ifndef _GLIBCXX_FULLY_DYNAMIC_STRING
<span class="lineNum"> 162 </span> : if (__n == 0 && __a == _Alloc())
<span class="lineNum"> 163 </span> : return _S_empty_rep()._M_refdata();
<span class="lineNum"> 164 </span> : #endif
<span class="lineNum"> 165 </span> : // Check for out_of_range and length_error exceptions.
<span class="lineNum"> 166 </span> : _Rep* __r = _Rep::_S_create(__n, size_type(0), __a);
<span class="lineNum"> 167 </span> : if (__n)
<span class="lineNum"> 168 </span> : _M_assign(__r->_M_refdata(), __n, __c);
<span class="lineNum"> 169 </span> :
<span class="lineNum"> 170 </span> : __r->_M_set_length_and_sharable(__n);
<span class="lineNum"> 171 </span> : return __r->_M_refdata();
<span class="lineNum"> 172 </span> : }
<span class="lineNum"> 173 </span> :
<span class="lineNum"> 174 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 175 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 176 </span> : basic_string(const basic_string& __str)
<span class="lineNum"> 177 </span> : : _M_dataplus(__str._M_rep()->_M_grab(_Alloc(__str.get_allocator()),
<span class="lineNum"> 178 </span> : __str.get_allocator()),
<span class="lineNum"> 179 </span> : __str.get_allocator())
<span class="lineNum"> 180 </span> : { }
<span class="lineNum"> 181 </span> :
<span class="lineNum"> 182 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 183 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 184 </span> : basic_string(const _Alloc& __a)
<span class="lineNum"> 185 </span> : : _M_dataplus(_S_construct(size_type(), _CharT(), __a), __a)
<span class="lineNum"> 186 </span> : { }
<span class="lineNum"> 187 </span> :
<span class="lineNum"> 188 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 189 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 190 </span> : basic_string(const basic_string& __str, size_type __pos, size_type __n)
<span class="lineNum"> 191 </span> : : _M_dataplus(_S_construct(__str._M_data()
<span class="lineNum"> 192 </span> : + __str._M_check(__pos,
<span class="lineNum"> 193 </span> : "basic_string::basic_string"),
<span class="lineNum"> 194 </span> : __str._M_data() + __str._M_limit(__pos, __n)
<span class="lineNum"> 195 </span> : + __pos, _Alloc()), _Alloc())
<span class="lineNum"> 196 </span> : { }
<span class="lineNum"> 197 </span> :
<span class="lineNum"> 198 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 199 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 200 </span> : basic_string(const basic_string& __str, size_type __pos,
<span class="lineNum"> 201 </span> : size_type __n, const _Alloc& __a)
<span class="lineNum"> 202 </span> : : _M_dataplus(_S_construct(__str._M_data()
<span class="lineNum"> 203 </span> : + __str._M_check(__pos,
<span class="lineNum"> 204 </span> : "basic_string::basic_string"),
<span class="lineNum"> 205 </span> : __str._M_data() + __str._M_limit(__pos, __n)
<span class="lineNum"> 206 </span> : + __pos, __a), __a)
<span class="lineNum"> 207 </span> : { }
<span class="lineNum"> 208 </span> :
<span class="lineNum"> 209 </span> : // TBD: DPG annotate
<span class="lineNum"> 210 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 211 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 212 </span> : basic_string(const _CharT* __s, size_type __n, const _Alloc& __a)
<span class="lineNum"> 213 </span> : : _M_dataplus(_S_construct(__s, __s + __n, __a), __a)
<span class="lineNum"> 214 </span> : { }
<span class="lineNum"> 215 </span> :
<span class="lineNum"> 216 </span> : // TBD: DPG annotate
<span class="lineNum"> 217 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 218 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 219 </span> : basic_string(const _CharT* __s, const _Alloc& __a)
<span class="lineNum"> 220 </span> : : _M_dataplus(_S_construct(__s, __s ? __s + traits_type::length(__s) :
<span class="lineNum"> 221 </span> : __s + npos, __a), __a)
<span class="lineNum"> 222 </span> : { }
<span class="lineNum"> 223 </span> :
<span class="lineNum"> 224 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 225 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 226 </span> : basic_string(size_type __n, _CharT __c, const _Alloc& __a)
<span class="lineNum"> 227 </span> : : _M_dataplus(_S_construct(__n, __c, __a), __a)
<span class="lineNum"> 228 </span> : { }
<span class="lineNum"> 229 </span> :
<span class="lineNum"> 230 </span> : // TBD: DPG annotate
<span class="lineNum"> 231 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 232 </span> : template<typename _InputIterator>
<span class="lineNum"> 233 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 234 </span><span class="lineCov"> 1287 : basic_string(_InputIterator __beg, _InputIterator __end, const _Alloc& __a)</span>
<span class="lineNum"> 235 </span><span class="lineCov"> 1287 : : _M_dataplus(_S_construct(__beg, __end, __a), __a)</span>
<span class="lineNum"> 236 </span><span class="lineCov"> 1287 : { }</span>
<span class="lineNum"> 237 </span> :
<span class="lineNum"> 238 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 239 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 240 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 241 </span> : assign(const basic_string& __str)
<span class="lineNum"> 242 </span> : {
<span class="lineNum"> 243 </span> : if (_M_rep() != __str._M_rep())
<span class="lineNum"> 244 </span> : {
<span class="lineNum"> 245 </span> : // XXX MT
<span class="lineNum"> 246 </span> : const allocator_type __a = this->get_allocator();
<span class="lineNum"> 247 </span> : _CharT* __tmp = __str._M_rep()->_M_grab(__a, __str.get_allocator());
<span class="lineNum"> 248 </span> : _M_rep()->_M_dispose(__a);
<span class="lineNum"> 249 </span> : _M_data(__tmp);
<span class="lineNum"> 250 </span> : }
<span class="lineNum"> 251 </span> : return *this;
<span class="lineNum"> 252 </span> : }
<span class="lineNum"> 253 </span> :
<span class="lineNum"> 254 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 255 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 256 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 257 </span> : assign(const _CharT* __s, size_type __n)
<span class="lineNum"> 258 </span> : {
<span class="lineNum"> 259 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 260 </span> : _M_check_length(this->size(), __n, "basic_string::assign");
<span class="lineNum"> 261 </span> : if (_M_disjunct(__s) || _M_rep()->_M_is_shared())
<span class="lineNum"> 262 </span> : return _M_replace_safe(size_type(0), this->size(), __s, __n);
<span class="lineNum"> 263 </span> : else
<span class="lineNum"> 264 </span> : {
<span class="lineNum"> 265 </span> : // Work in-place.
<span class="lineNum"> 266 </span> : const size_type __pos = __s - _M_data();
<span class="lineNum"> 267 </span> : if (__pos >= __n)
<span class="lineNum"> 268 </span> : _M_copy(_M_data(), __s, __n);
<span class="lineNum"> 269 </span> : else if (__pos)
<span class="lineNum"> 270 </span> : _M_move(_M_data(), __s, __n);
<span class="lineNum"> 271 </span> : _M_rep()->_M_set_length_and_sharable(__n);
<span class="lineNum"> 272 </span> : return *this;
<span class="lineNum"> 273 </span> : }
<span class="lineNum"> 274 </span> : }
<span class="lineNum"> 275 </span> :
<span class="lineNum"> 276 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 277 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 278 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 279 </span> : append(size_type __n, _CharT __c)
<span class="lineNum"> 280 </span> : {
<span class="lineNum"> 281 </span> : if (__n)
<span class="lineNum"> 282 </span> : {
<span class="lineNum"> 283 </span> : _M_check_length(size_type(0), __n, "basic_string::append");
<span class="lineNum"> 284 </span> : const size_type __len = __n + this->size();
<span class="lineNum"> 285 </span> : if (__len > this->capacity() || _M_rep()->_M_is_shared())
<span class="lineNum"> 286 </span> : this->reserve(__len);
<span class="lineNum"> 287 </span> : _M_assign(_M_data() + this->size(), __n, __c);
<span class="lineNum"> 288 </span> : _M_rep()->_M_set_length_and_sharable(__len);
<span class="lineNum"> 289 </span> : }
<span class="lineNum"> 290 </span> : return *this;
<span class="lineNum"> 291 </span> : }
<span class="lineNum"> 292 </span> :
<span class="lineNum"> 293 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 294 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 295 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 296 </span> : append(const _CharT* __s, size_type __n)
<span class="lineNum"> 297 </span> : {
<span class="lineNum"> 298 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 299 </span> : if (__n)
<span class="lineNum"> 300 </span> : {
<span class="lineNum"> 301 </span> : _M_check_length(size_type(0), __n, "basic_string::append");
<span class="lineNum"> 302 </span> : const size_type __len = __n + this->size();
<span class="lineNum"> 303 </span> : if (__len > this->capacity() || _M_rep()->_M_is_shared())
<span class="lineNum"> 304 </span> : {
<span class="lineNum"> 305 </span> : if (_M_disjunct(__s))
<span class="lineNum"> 306 </span> : this->reserve(__len);
<span class="lineNum"> 307 </span> : else
<span class="lineNum"> 308 </span> : {
<span class="lineNum"> 309 </span> : const size_type __off = __s - _M_data();
<span class="lineNum"> 310 </span> : this->reserve(__len);
<span class="lineNum"> 311 </span> : __s = _M_data() + __off;
<span class="lineNum"> 312 </span> : }
<span class="lineNum"> 313 </span> : }
<span class="lineNum"> 314 </span> : _M_copy(_M_data() + this->size(), __s, __n);
<span class="lineNum"> 315 </span> : _M_rep()->_M_set_length_and_sharable(__len);
<span class="lineNum"> 316 </span> : }
<span class="lineNum"> 317 </span> : return *this;
<span class="lineNum"> 318 </span> : }
<span class="lineNum"> 319 </span> :
<span class="lineNum"> 320 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 321 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 322 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 323 </span> : append(const basic_string& __str)
<span class="lineNum"> 324 </span> : {
<span class="lineNum"> 325 </span> : const size_type __size = __str.size();
<span class="lineNum"> 326 </span> : if (__size)
<span class="lineNum"> 327 </span> : {
<span class="lineNum"> 328 </span> : const size_type __len = __size + this->size();
<span class="lineNum"> 329 </span> : if (__len > this->capacity() || _M_rep()->_M_is_shared())
<span class="lineNum"> 330 </span> : this->reserve(__len);
<span class="lineNum"> 331 </span> : _M_copy(_M_data() + this->size(), __str._M_data(), __size);
<span class="lineNum"> 332 </span> : _M_rep()->_M_set_length_and_sharable(__len);
<span class="lineNum"> 333 </span> : }
<span class="lineNum"> 334 </span> : return *this;
<span class="lineNum"> 335 </span> : }
<span class="lineNum"> 336 </span> :
<span class="lineNum"> 337 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 338 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 339 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 340 </span> : append(const basic_string& __str, size_type __pos, size_type __n)
<span class="lineNum"> 341 </span> : {
<span class="lineNum"> 342 </span> : __str._M_check(__pos, "basic_string::append");
<span class="lineNum"> 343 </span> : __n = __str._M_limit(__pos, __n);
<span class="lineNum"> 344 </span> : if (__n)
<span class="lineNum"> 345 </span> : {
<span class="lineNum"> 346 </span> : const size_type __len = __n + this->size();
<span class="lineNum"> 347 </span> : if (__len > this->capacity() || _M_rep()->_M_is_shared())
<span class="lineNum"> 348 </span> : this->reserve(__len);
<span class="lineNum"> 349 </span> : _M_copy(_M_data() + this->size(), __str._M_data() + __pos, __n);
<span class="lineNum"> 350 </span> : _M_rep()->_M_set_length_and_sharable(__len);
<span class="lineNum"> 351 </span> : }
<span class="lineNum"> 352 </span> : return *this;
<span class="lineNum"> 353 </span> : }
<span class="lineNum"> 354 </span> :
<span class="lineNum"> 355 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 356 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 357 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 358 </span> : insert(size_type __pos, const _CharT* __s, size_type __n)
<span class="lineNum"> 359 </span> : {
<span class="lineNum"> 360 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 361 </span> : _M_check(__pos, "basic_string::insert");
<span class="lineNum"> 362 </span> : _M_check_length(size_type(0), __n, "basic_string::insert");
<span class="lineNum"> 363 </span> : if (_M_disjunct(__s) || _M_rep()->_M_is_shared())
<span class="lineNum"> 364 </span> : return _M_replace_safe(__pos, size_type(0), __s, __n);
<span class="lineNum"> 365 </span> : else
<span class="lineNum"> 366 </span> : {
<span class="lineNum"> 367 </span> : // Work in-place.
<span class="lineNum"> 368 </span> : const size_type __off = __s - _M_data();
<span class="lineNum"> 369 </span> : _M_mutate(__pos, 0, __n);
<span class="lineNum"> 370 </span> : __s = _M_data() + __off;
<span class="lineNum"> 371 </span> : _CharT* __p = _M_data() + __pos;
<span class="lineNum"> 372 </span> : if (__s + __n <= __p)
<span class="lineNum"> 373 </span> : _M_copy(__p, __s, __n);
<span class="lineNum"> 374 </span> : else if (__s >= __p)
<span class="lineNum"> 375 </span> : _M_copy(__p, __s + __n, __n);
<span class="lineNum"> 376 </span> : else
<span class="lineNum"> 377 </span> : {
<span class="lineNum"> 378 </span> : const size_type __nleft = __p - __s;
<span class="lineNum"> 379 </span> : _M_copy(__p, __s, __nleft);
<span class="lineNum"> 380 </span> : _M_copy(__p + __nleft, __p + __n, __n - __nleft);
<span class="lineNum"> 381 </span> : }
<span class="lineNum"> 382 </span> : return *this;
<span class="lineNum"> 383 </span> : }
<span class="lineNum"> 384 </span> : }
<span class="lineNum"> 385 </span> :
<span class="lineNum"> 386 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 387 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 388 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 389 </span> : replace(size_type __pos, size_type __n1, const _CharT* __s,
<span class="lineNum"> 390 </span> : size_type __n2)
<span class="lineNum"> 391 </span> : {
<span class="lineNum"> 392 </span> : __glibcxx_requires_string_len(__s, __n2);
<span class="lineNum"> 393 </span> : _M_check(__pos, "basic_string::replace");
<span class="lineNum"> 394 </span> : __n1 = _M_limit(__pos, __n1);
<span class="lineNum"> 395 </span> : _M_check_length(__n1, __n2, "basic_string::replace");
<span class="lineNum"> 396 </span> : bool __left;
<span class="lineNum"> 397 </span> : if (_M_disjunct(__s) || _M_rep()->_M_is_shared())
<span class="lineNum"> 398 </span> : return _M_replace_safe(__pos, __n1, __s, __n2);
<span class="lineNum"> 399 </span> : else if ((__left = __s + __n2 <= _M_data() + __pos)
<span class="lineNum"> 400 </span> : || _M_data() + __pos + __n1 <= __s)
<span class="lineNum"> 401 </span> : {
<span class="lineNum"> 402 </span> : // Work in-place: non-overlapping case.
<span class="lineNum"> 403 </span> : size_type __off = __s - _M_data();
<span class="lineNum"> 404 </span> : __left ? __off : (__off += __n2 - __n1);
<span class="lineNum"> 405 </span> : _M_mutate(__pos, __n1, __n2);
<span class="lineNum"> 406 </span> : _M_copy(_M_data() + __pos, _M_data() + __off, __n2);
<span class="lineNum"> 407 </span> : return *this;
<span class="lineNum"> 408 </span> : }
<span class="lineNum"> 409 </span> : else
<span class="lineNum"> 410 </span> : {
<span class="lineNum"> 411 </span> : // Todo: overlapping case.
<span class="lineNum"> 412 </span> : const basic_string __tmp(__s, __n2);
<span class="lineNum"> 413 </span> : return _M_replace_safe(__pos, __n1, __tmp._M_data(), __n2);
<span class="lineNum"> 414 </span> : }
<span class="lineNum"> 415 </span> : }
<span class="lineNum"> 416 </span> :
<span class="lineNum"> 417 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 418 </span> : void
<span class="lineNum"> 419 </span> : basic_string<_CharT, _Traits, _Alloc>::_Rep::
<span class="lineNum"> 420 </span> : _M_destroy(const _Alloc& __a) throw ()
<span class="lineNum"> 421 </span> : {
<span class="lineNum"> 422 </span> : const size_type __size = sizeof(_Rep_base) +
<span class="lineNum"> 423 </span> : (this->_M_capacity + 1) * sizeof(_CharT);
<span class="lineNum"> 424 </span> : _Raw_bytes_alloc(__a).deallocate(reinterpret_cast<char*>(this), __size);
<span class="lineNum"> 425 </span> : }
<span class="lineNum"> 426 </span> :
<span class="lineNum"> 427 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 428 </span> : void
<span class="lineNum"> 429 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 430 </span> : _M_leak_hard()
<span class="lineNum"> 431 </span> : {
<span class="lineNum"> 432 </span> : #ifndef _GLIBCXX_FULLY_DYNAMIC_STRING
<span class="lineNum"> 433 </span> : if (_M_rep() == &_S_empty_rep())
<span class="lineNum"> 434 </span> : return;
<span class="lineNum"> 435 </span> : #endif
<span class="lineNum"> 436 </span> : if (_M_rep()->_M_is_shared())
<span class="lineNum"> 437 </span> : _M_mutate(0, 0, 0);
<span class="lineNum"> 438 </span> : _M_rep()->_M_set_leaked();
<span class="lineNum"> 439 </span> : }
<span class="lineNum"> 440 </span> :
<span class="lineNum"> 441 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 442 </span> : void
<span class="lineNum"> 443 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 444 </span> : _M_mutate(size_type __pos, size_type __len1, size_type __len2)
<span class="lineNum"> 445 </span> : {
<span class="lineNum"> 446 </span> : const size_type __old_size = this->size();
<span class="lineNum"> 447 </span> : const size_type __new_size = __old_size + __len2 - __len1;
<span class="lineNum"> 448 </span> : const size_type __how_much = __old_size - __pos - __len1;
<span class="lineNum"> 449 </span> :
<span class="lineNum"> 450 </span> : if (__new_size > this->capacity() || _M_rep()->_M_is_shared())
<span class="lineNum"> 451 </span> : {
<span class="lineNum"> 452 </span> : // Must reallocate.
<span class="lineNum"> 453 </span> : const allocator_type __a = get_allocator();
<span class="lineNum"> 454 </span> : _Rep* __r = _Rep::_S_create(__new_size, this->capacity(), __a);
<span class="lineNum"> 455 </span> :
<span class="lineNum"> 456 </span> : if (__pos)
<span class="lineNum"> 457 </span> : _M_copy(__r->_M_refdata(), _M_data(), __pos);
<span class="lineNum"> 458 </span> : if (__how_much)
<span class="lineNum"> 459 </span> : _M_copy(__r->_M_refdata() + __pos + __len2,
<span class="lineNum"> 460 </span> : _M_data() + __pos + __len1, __how_much);
<span class="lineNum"> 461 </span> :
<span class="lineNum"> 462 </span> : _M_rep()->_M_dispose(__a);
<span class="lineNum"> 463 </span> : _M_data(__r->_M_refdata());
<span class="lineNum"> 464 </span> : }
<span class="lineNum"> 465 </span> : else if (__how_much && __len1 != __len2)
<span class="lineNum"> 466 </span> : {
<span class="lineNum"> 467 </span> : // Work in-place.
<span class="lineNum"> 468 </span> : _M_move(_M_data() + __pos + __len2,
<span class="lineNum"> 469 </span> : _M_data() + __pos + __len1, __how_much);
<span class="lineNum"> 470 </span> : }
<span class="lineNum"> 471 </span> : _M_rep()->_M_set_length_and_sharable(__new_size);
<span class="lineNum"> 472 </span> : }
<span class="lineNum"> 473 </span> :
<span class="lineNum"> 474 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 475 </span> : void
<span class="lineNum"> 476 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 477 </span> : reserve(size_type __res)
<span class="lineNum"> 478 </span> : {
<span class="lineNum"> 479 </span> : if (__res != this->capacity() || _M_rep()->_M_is_shared())
<span class="lineNum"> 480 </span> : {
<span class="lineNum"> 481 </span> : // Make sure we don't shrink below the current size
<span class="lineNum"> 482 </span> : if (__res < this->size())
<span class="lineNum"> 483 </span> : __res = this->size();
<span class="lineNum"> 484 </span> : const allocator_type __a = get_allocator();
<span class="lineNum"> 485 </span> : _CharT* __tmp = _M_rep()->_M_clone(__a, __res - this->size());
<span class="lineNum"> 486 </span> : _M_rep()->_M_dispose(__a);
<span class="lineNum"> 487 </span> : _M_data(__tmp);
<span class="lineNum"> 488 </span> : }
<span class="lineNum"> 489 </span> : }
<span class="lineNum"> 490 </span> :
<span class="lineNum"> 491 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 492 </span> : void
<span class="lineNum"> 493 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 494 </span> : swap(basic_string& __s)
<span class="lineNum"> 495 </span> : {
<span class="lineNum"> 496 </span> : if (_M_rep()->_M_is_leaked())
<span class="lineNum"> 497 </span> : _M_rep()->_M_set_sharable();
<span class="lineNum"> 498 </span> : if (__s._M_rep()->_M_is_leaked())
<span class="lineNum"> 499 </span> : __s._M_rep()->_M_set_sharable();
<span class="lineNum"> 500 </span> : if (this->get_allocator() == __s.get_allocator())
<span class="lineNum"> 501 </span> : {
<span class="lineNum"> 502 </span> : _CharT* __tmp = _M_data();
<span class="lineNum"> 503 </span> : _M_data(__s._M_data());
<span class="lineNum"> 504 </span> : __s._M_data(__tmp);
<span class="lineNum"> 505 </span> : }
<span class="lineNum"> 506 </span> : // The code below can usually be optimized away.
<span class="lineNum"> 507 </span> : else
<span class="lineNum"> 508 </span> : {
<span class="lineNum"> 509 </span> : const basic_string __tmp1(_M_ibegin(), _M_iend(),
<span class="lineNum"> 510 </span> : __s.get_allocator());
<span class="lineNum"> 511 </span> : const basic_string __tmp2(__s._M_ibegin(), __s._M_iend(),
<span class="lineNum"> 512 </span> : this->get_allocator());
<span class="lineNum"> 513 </span> : *this = __tmp2;
<span class="lineNum"> 514 </span> : __s = __tmp1;
<span class="lineNum"> 515 </span> : }
<span class="lineNum"> 516 </span> : }
<span class="lineNum"> 517 </span> :
<span class="lineNum"> 518 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 519 </span> : typename basic_string<_CharT, _Traits, _Alloc>::_Rep*
<span class="lineNum"> 520 </span> : basic_string<_CharT, _Traits, _Alloc>::_Rep::
<span class="lineNum"> 521 </span> : _S_create(size_type __capacity, size_type __old_capacity,
<span class="lineNum"> 522 </span> : const _Alloc& __alloc)
<span class="lineNum"> 523 </span> : {
<span class="lineNum"> 524 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS
<span class="lineNum"> 525 </span> : // 83. String::npos vs. string::max_size()
<span class="lineNum"> 526 </span> : if (__capacity > _S_max_size)
<span class="lineNum"> 527 </span> : __throw_length_error(__N("basic_string::_S_create"));
<span class="lineNum"> 528 </span> :
<span class="lineNum"> 529 </span> : // The standard places no restriction on allocating more memory
<span class="lineNum"> 530 </span> : // than is strictly needed within this layer at the moment or as
<span class="lineNum"> 531 </span> : // requested by an explicit application call to reserve().
<span class="lineNum"> 532 </span> :
<span class="lineNum"> 533 </span> : // Many malloc implementations perform quite poorly when an
<span class="lineNum"> 534 </span> : // application attempts to allocate memory in a stepwise fashion
<span class="lineNum"> 535 </span> : // growing each allocation size by only 1 char. Additionally,
<span class="lineNum"> 536 </span> : // it makes little sense to allocate less linear memory than the
<span class="lineNum"> 537 </span> : // natural blocking size of the malloc implementation.
<span class="lineNum"> 538 </span> : // Unfortunately, we would need a somewhat low-level calculation
<span class="lineNum"> 539 </span> : // with tuned parameters to get this perfect for any particular
<span class="lineNum"> 540 </span> : // malloc implementation. Fortunately, generalizations about
<span class="lineNum"> 541 </span> : // common features seen among implementations seems to suffice.
<span class="lineNum"> 542 </span> :
<span class="lineNum"> 543 </span> : // __pagesize need not match the actual VM page size for good
<span class="lineNum"> 544 </span> : // results in practice, thus we pick a common value on the low
<span class="lineNum"> 545 </span> : // side. __malloc_header_size is an estimate of the amount of
<span class="lineNum"> 546 </span> : // overhead per memory allocation (in practice seen N * sizeof
<span class="lineNum"> 547 </span> : // (void*) where N is 0, 2 or 4). According to folklore,
<span class="lineNum"> 548 </span> : // picking this value on the high side is better than
<span class="lineNum"> 549 </span> : // low-balling it (especially when this algorithm is used with
<span class="lineNum"> 550 </span> : // malloc implementations that allocate memory blocks rounded up
<span class="lineNum"> 551 </span> : // to a size which is a power of 2).
<span class="lineNum"> 552 </span> : const size_type __pagesize = 4096;
<span class="lineNum"> 553 </span> : const size_type __malloc_header_size = 4 * sizeof(void*);
<span class="lineNum"> 554 </span> :
<span class="lineNum"> 555 </span> : // The below implements an exponential growth policy, necessary to
<span class="lineNum"> 556 </span> : // meet amortized linear time requirements of the library: see
<span class="lineNum"> 557 </span> : // http://gcc.gnu.org/ml/libstdc++/2001-07/msg00085.html.
<span class="lineNum"> 558 </span> : // It's active for allocations requiring an amount of memory above
<span class="lineNum"> 559 </span> : // system pagesize. This is consistent with the requirements of the
<span class="lineNum"> 560 </span> : // standard: http://gcc.gnu.org/ml/libstdc++/2001-07/msg00130.html
<span class="lineNum"> 561 </span> : if (__capacity > __old_capacity && __capacity < 2 * __old_capacity)
<span class="lineNum"> 562 </span> : __capacity = 2 * __old_capacity;
<span class="lineNum"> 563 </span> :
<span class="lineNum"> 564 </span> : // NB: Need an array of char_type[__capacity], plus a terminating
<span class="lineNum"> 565 </span> : // null char_type() element, plus enough for the _Rep data structure.
<span class="lineNum"> 566 </span> : // Whew. Seemingly so needy, yet so elemental.
<span class="lineNum"> 567 </span> : size_type __size = (__capacity + 1) * sizeof(_CharT) + sizeof(_Rep);
<span class="lineNum"> 568 </span> :
<span class="lineNum"> 569 </span> : const size_type __adj_size = __size + __malloc_header_size;
<span class="lineNum"> 570 </span> : if (__adj_size > __pagesize && __capacity > __old_capacity)
<span class="lineNum"> 571 </span> : {
<span class="lineNum"> 572 </span> : const size_type __extra = __pagesize - __adj_size % __pagesize;
<span class="lineNum"> 573 </span> : __capacity += __extra / sizeof(_CharT);
<span class="lineNum"> 574 </span> : // Never allocate a string bigger than _S_max_size.
<span class="lineNum"> 575 </span> : if (__capacity > _S_max_size)
<span class="lineNum"> 576 </span> : __capacity = _S_max_size;
<span class="lineNum"> 577 </span> : __size = (__capacity + 1) * sizeof(_CharT) + sizeof(_Rep);
<span class="lineNum"> 578 </span> : }
<span class="lineNum"> 579 </span> :
<span class="lineNum"> 580 </span> : // NB: Might throw, but no worries about a leak, mate: _Rep()
<span class="lineNum"> 581 </span> : // does not throw.
<span class="lineNum"> 582 </span> : void* __place = _Raw_bytes_alloc(__alloc).allocate(__size);
<span class="lineNum"> 583 </span> : _Rep *__p = new (__place) _Rep;
<span class="lineNum"> 584 </span> : __p->_M_capacity = __capacity;
<span class="lineNum"> 585 </span> : // ABI compatibility - 3.4.x set in _S_create both
<span class="lineNum"> 586 </span> : // _M_refcount and _M_length. All callers of _S_create
<span class="lineNum"> 587 </span> : // in basic_string.tcc then set just _M_length.
<span class="lineNum"> 588 </span> : // In 4.0.x and later both _M_refcount and _M_length
<span class="lineNum"> 589 </span> : // are initialized in the callers, unfortunately we can
<span class="lineNum"> 590 </span> : // have 3.4.x compiled code with _S_create callers inlined
<span class="lineNum"> 591 </span> : // calling 4.0.x+ _S_create.
<span class="lineNum"> 592 </span> : __p->_M_set_sharable();
<span class="lineNum"> 593 </span> : return __p;
<span class="lineNum"> 594 </span> : }
<span class="lineNum"> 595 </span> :
<span class="lineNum"> 596 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 597 </span> : _CharT*
<span class="lineNum"> 598 </span> : basic_string<_CharT, _Traits, _Alloc>::_Rep::
<span class="lineNum"> 599 </span> : _M_clone(const _Alloc& __alloc, size_type __res)
<span class="lineNum"> 600 </span> : {
<span class="lineNum"> 601 </span> : // Requested capacity of the clone.
<span class="lineNum"> 602 </span> : const size_type __requested_cap = this->_M_length + __res;
<span class="lineNum"> 603 </span> : _Rep* __r = _Rep::_S_create(__requested_cap, this->_M_capacity,
<span class="lineNum"> 604 </span> : __alloc);
<span class="lineNum"> 605 </span> : if (this->_M_length)
<span class="lineNum"> 606 </span> : _M_copy(__r->_M_refdata(), _M_refdata(), this->_M_length);
<span class="lineNum"> 607 </span> :
<span class="lineNum"> 608 </span> : __r->_M_set_length_and_sharable(this->_M_length);
<span class="lineNum"> 609 </span> : return __r->_M_refdata();
<span class="lineNum"> 610 </span> : }
<span class="lineNum"> 611 </span> :
<span class="lineNum"> 612 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 613 </span> : void
<span class="lineNum"> 614 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 615 </span> : resize(size_type __n, _CharT __c)
<span class="lineNum"> 616 </span> : {
<span class="lineNum"> 617 </span> : const size_type __size = this->size();
<span class="lineNum"> 618 </span> : _M_check_length(__size, __n, "basic_string::resize");
<span class="lineNum"> 619 </span> : if (__size < __n)
<span class="lineNum"> 620 </span> : this->append(__n - __size, __c);
<span class="lineNum"> 621 </span> : else if (__n < __size)
<span class="lineNum"> 622 </span> : this->erase(__n);
<span class="lineNum"> 623 </span> : // else nothing (in particular, avoid calling _M_mutate() unnecessarily.)
<span class="lineNum"> 624 </span> : }
<span class="lineNum"> 625 </span> :
<span class="lineNum"> 626 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 627 </span> : template<typename _InputIterator>
<span class="lineNum"> 628 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 629 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 630 </span> : _M_replace_dispatch(iterator __i1, iterator __i2, _InputIterator __k1,
<span class="lineNum"> 631 </span> : _InputIterator __k2, __false_type)
<span class="lineNum"> 632 </span> : {
<span class="lineNum"> 633 </span> : const basic_string __s(__k1, __k2);
<span class="lineNum"> 634 </span> : const size_type __n1 = __i2 - __i1;
<span class="lineNum"> 635 </span> : _M_check_length(__n1, __s.size(), "basic_string::_M_replace_dispatch");
<span class="lineNum"> 636 </span> : return _M_replace_safe(__i1 - _M_ibegin(), __n1, __s._M_data(),
<span class="lineNum"> 637 </span> : __s.size());
<span class="lineNum"> 638 </span> : }
<span class="lineNum"> 639 </span> :
<span class="lineNum"> 640 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 641 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 642 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 643 </span> : _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2,
<span class="lineNum"> 644 </span> : _CharT __c)
<span class="lineNum"> 645 </span> : {
<span class="lineNum"> 646 </span> : _M_check_length(__n1, __n2, "basic_string::_M_replace_aux");
<span class="lineNum"> 647 </span> : _M_mutate(__pos1, __n1, __n2);
<span class="lineNum"> 648 </span> : if (__n2)
<span class="lineNum"> 649 </span> : _M_assign(_M_data() + __pos1, __n2, __c);
<span class="lineNum"> 650 </span> : return *this;
<span class="lineNum"> 651 </span> : }
<span class="lineNum"> 652 </span> :
<span class="lineNum"> 653 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 654 </span> : basic_string<_CharT, _Traits, _Alloc>&
<span class="lineNum"> 655 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 656 </span> : _M_replace_safe(size_type __pos1, size_type __n1, const _CharT* __s,
<span class="lineNum"> 657 </span> : size_type __n2)
<span class="lineNum"> 658 </span> : {
<span class="lineNum"> 659 </span> : _M_mutate(__pos1, __n1, __n2);
<span class="lineNum"> 660 </span> : if (__n2)
<span class="lineNum"> 661 </span> : _M_copy(_M_data() + __pos1, __s, __n2);
<span class="lineNum"> 662 </span> : return *this;
<span class="lineNum"> 663 </span> : }
<span class="lineNum"> 664 </span> :
<span class="lineNum"> 665 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 666 </span> : basic_string<_CharT, _Traits, _Alloc>
<span class="lineNum"> 667 </span> : operator+(const _CharT* __lhs,
<span class="lineNum"> 668 </span><span class="lineCov"> 2633 : const basic_string<_CharT, _Traits, _Alloc>& __rhs)</span>
<span class="lineNum"> 669 </span> : {
<span class="lineNum"> 670 </span> : __glibcxx_requires_string(__lhs);
<span class="lineNum"> 671 </span> : typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
<span class="lineNum"> 672 </span> : typedef typename __string_type::size_type __size_type;
<span class="lineNum"> 673 </span><span class="lineCov"> 2633 : const __size_type __len = _Traits::length(__lhs);</span>
<span class="lineNum"> 674 </span><span class="lineCov"> 2633 : __string_type __str;</span>
<span class="lineNum"> 675 </span><span class="lineCov"> 2633 : __str.reserve(__len + __rhs.size());</span>
<span class="lineNum"> 676 </span><span class="lineCov"> 2633 : __str.append(__lhs, __len);</span>
<span class="lineNum"> 677 </span><span class="lineCov"> 2633 : __str.append(__rhs);</span>
<span class="lineNum"> 678 </span><span class="lineNoCov"> 0 : return __str;</span>
<span class="lineNum"> 679 </span> : }
<span class="lineNum"> 680 </span> :
<span class="lineNum"> 681 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 682 </span> : basic_string<_CharT, _Traits, _Alloc>
<span class="lineNum"> 683 </span> : operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
<span class="lineNum"> 684 </span> : {
<span class="lineNum"> 685 </span> : typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
<span class="lineNum"> 686 </span> : typedef typename __string_type::size_type __size_type;
<span class="lineNum"> 687 </span> : __string_type __str;
<span class="lineNum"> 688 </span> : const __size_type __len = __rhs.size();
<span class="lineNum"> 689 </span> : __str.reserve(__len + 1);
<span class="lineNum"> 690 </span> : __str.append(__size_type(1), __lhs);
<span class="lineNum"> 691 </span> : __str.append(__rhs);
<span class="lineNum"> 692 </span> : return __str;
<span class="lineNum"> 693 </span> : }
<span class="lineNum"> 694 </span> :
<span class="lineNum"> 695 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 696 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 697 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 698 </span> : copy(_CharT* __s, size_type __n, size_type __pos) const
<span class="lineNum"> 699 </span> : {
<span class="lineNum"> 700 </span> : _M_check(__pos, "basic_string::copy");
<span class="lineNum"> 701 </span> : __n = _M_limit(__pos, __n);
<span class="lineNum"> 702 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 703 </span> : if (__n)
<span class="lineNum"> 704 </span> : _M_copy(__s, _M_data() + __pos, __n);
<span class="lineNum"> 705 </span> : // 21.3.5.7 par 3: do not append null. (good.)
<span class="lineNum"> 706 </span> : return __n;
<span class="lineNum"> 707 </span> : }
<span class="lineNum"> 708 </span> :
<span class="lineNum"> 709 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 710 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 711 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 712 </span> : find(const _CharT* __s, size_type __pos, size_type __n) const
<span class="lineNum"> 713 </span> : {
<span class="lineNum"> 714 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 715 </span> : const size_type __size = this->size();
<span class="lineNum"> 716 </span> : const _CharT* __data = _M_data();
<span class="lineNum"> 717 </span> :
<span class="lineNum"> 718 </span> : if (__n == 0)
<span class="lineNum"> 719 </span> : return __pos <= __size ? __pos : npos;
<span class="lineNum"> 720 </span> :
<span class="lineNum"> 721 </span> : if (__n <= __size)
<span class="lineNum"> 722 </span> : {
<span class="lineNum"> 723 </span> : for (; __pos <= __size - __n; ++__pos)
<span class="lineNum"> 724 </span> : if (traits_type::eq(__data[__pos], __s[0])
<span class="lineNum"> 725 </span> : && traits_type::compare(__data + __pos + 1,
<span class="lineNum"> 726 </span> : __s + 1, __n - 1) == 0)
<span class="lineNum"> 727 </span> : return __pos;
<span class="lineNum"> 728 </span> : }
<span class="lineNum"> 729 </span> : return npos;
<span class="lineNum"> 730 </span> : }
<span class="lineNum"> 731 </span> :
<span class="lineNum"> 732 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 733 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 734 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 735 </span> : find(_CharT __c, size_type __pos) const
<span class="lineNum"> 736 </span> : {
<span class="lineNum"> 737 </span> : size_type __ret = npos;
<span class="lineNum"> 738 </span> : const size_type __size = this->size();
<span class="lineNum"> 739 </span> : if (__pos < __size)
<span class="lineNum"> 740 </span> : {
<span class="lineNum"> 741 </span> : const _CharT* __data = _M_data();
<span class="lineNum"> 742 </span> : const size_type __n = __size - __pos;
<span class="lineNum"> 743 </span> : const _CharT* __p = traits_type::find(__data + __pos, __n, __c);
<span class="lineNum"> 744 </span> : if (__p)
<span class="lineNum"> 745 </span> : __ret = __p - __data;
<span class="lineNum"> 746 </span> : }
<span class="lineNum"> 747 </span> : return __ret;
<span class="lineNum"> 748 </span> : }
<span class="lineNum"> 749 </span> :
<span class="lineNum"> 750 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 751 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 752 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 753 </span> : rfind(const _CharT* __s, size_type __pos, size_type __n) const
<span class="lineNum"> 754 </span> : {
<span class="lineNum"> 755 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 756 </span> : const size_type __size = this->size();
<span class="lineNum"> 757 </span> : if (__n <= __size)
<span class="lineNum"> 758 </span> : {
<span class="lineNum"> 759 </span> : __pos = std::min(size_type(__size - __n), __pos);
<span class="lineNum"> 760 </span> : const _CharT* __data = _M_data();
<span class="lineNum"> 761 </span> : do
<span class="lineNum"> 762 </span> : {
<span class="lineNum"> 763 </span> : if (traits_type::compare(__data + __pos, __s, __n) == 0)
<span class="lineNum"> 764 </span> : return __pos;
<span class="lineNum"> 765 </span> : }
<span class="lineNum"> 766 </span> : while (__pos-- > 0);
<span class="lineNum"> 767 </span> : }
<span class="lineNum"> 768 </span> : return npos;
<span class="lineNum"> 769 </span> : }
<span class="lineNum"> 770 </span> :
<span class="lineNum"> 771 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 772 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 773 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 774 </span> : rfind(_CharT __c, size_type __pos) const
<span class="lineNum"> 775 </span> : {
<span class="lineNum"> 776 </span> : size_type __size = this->size();
<span class="lineNum"> 777 </span> : if (__size)
<span class="lineNum"> 778 </span> : {
<span class="lineNum"> 779 </span> : if (--__size > __pos)
<span class="lineNum"> 780 </span> : __size = __pos;
<span class="lineNum"> 781 </span> : for (++__size; __size-- > 0; )
<span class="lineNum"> 782 </span> : if (traits_type::eq(_M_data()[__size], __c))
<span class="lineNum"> 783 </span> : return __size;
<span class="lineNum"> 784 </span> : }
<span class="lineNum"> 785 </span> : return npos;
<span class="lineNum"> 786 </span> : }
<span class="lineNum"> 787 </span> :
<span class="lineNum"> 788 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 789 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 790 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 791 </span> : find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
<span class="lineNum"> 792 </span> : {
<span class="lineNum"> 793 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 794 </span> : for (; __n && __pos < this->size(); ++__pos)
<span class="lineNum"> 795 </span> : {
<span class="lineNum"> 796 </span> : const _CharT* __p = traits_type::find(__s, __n, _M_data()[__pos]);
<span class="lineNum"> 797 </span> : if (__p)
<span class="lineNum"> 798 </span> : return __pos;
<span class="lineNum"> 799 </span> : }
<span class="lineNum"> 800 </span> : return npos;
<span class="lineNum"> 801 </span> : }
<span class="lineNum"> 802 </span> :
<span class="lineNum"> 803 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 804 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 805 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 806 </span> : find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
<span class="lineNum"> 807 </span> : {
<span class="lineNum"> 808 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 809 </span> : size_type __size = this->size();
<span class="lineNum"> 810 </span> : if (__size && __n)
<span class="lineNum"> 811 </span> : {
<span class="lineNum"> 812 </span> : if (--__size > __pos)
<span class="lineNum"> 813 </span> : __size = __pos;
<span class="lineNum"> 814 </span> : do
<span class="lineNum"> 815 </span> : {
<span class="lineNum"> 816 </span> : if (traits_type::find(__s, __n, _M_data()[__size]))
<span class="lineNum"> 817 </span> : return __size;
<span class="lineNum"> 818 </span> : }
<span class="lineNum"> 819 </span> : while (__size-- != 0);
<span class="lineNum"> 820 </span> : }
<span class="lineNum"> 821 </span> : return npos;
<span class="lineNum"> 822 </span> : }
<span class="lineNum"> 823 </span> :
<span class="lineNum"> 824 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 825 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 826 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 827 </span> : find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
<span class="lineNum"> 828 </span> : {
<span class="lineNum"> 829 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 830 </span> : for (; __pos < this->size(); ++__pos)
<span class="lineNum"> 831 </span> : if (!traits_type::find(__s, __n, _M_data()[__pos]))
<span class="lineNum"> 832 </span> : return __pos;
<span class="lineNum"> 833 </span> : return npos;
<span class="lineNum"> 834 </span> : }
<span class="lineNum"> 835 </span> :
<span class="lineNum"> 836 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 837 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 838 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 839 </span> : find_first_not_of(_CharT __c, size_type __pos) const
<span class="lineNum"> 840 </span> : {
<span class="lineNum"> 841 </span> : for (; __pos < this->size(); ++__pos)
<span class="lineNum"> 842 </span> : if (!traits_type::eq(_M_data()[__pos], __c))
<span class="lineNum"> 843 </span> : return __pos;
<span class="lineNum"> 844 </span> : return npos;
<span class="lineNum"> 845 </span> : }
<span class="lineNum"> 846 </span> :
<span class="lineNum"> 847 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 848 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 849 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 850 </span> : find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
<span class="lineNum"> 851 </span> : {
<span class="lineNum"> 852 </span> : __glibcxx_requires_string_len(__s, __n);
<span class="lineNum"> 853 </span> : size_type __size = this->size();
<span class="lineNum"> 854 </span> : if (__size)
<span class="lineNum"> 855 </span> : {
<span class="lineNum"> 856 </span> : if (--__size > __pos)
<span class="lineNum"> 857 </span> : __size = __pos;
<span class="lineNum"> 858 </span> : do
<span class="lineNum"> 859 </span> : {
<span class="lineNum"> 860 </span> : if (!traits_type::find(__s, __n, _M_data()[__size]))
<span class="lineNum"> 861 </span> : return __size;
<span class="lineNum"> 862 </span> : }
<span class="lineNum"> 863 </span> : while (__size--);
<span class="lineNum"> 864 </span> : }
<span class="lineNum"> 865 </span> : return npos;
<span class="lineNum"> 866 </span> : }
<span class="lineNum"> 867 </span> :
<span class="lineNum"> 868 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 869 </span> : typename basic_string<_CharT, _Traits, _Alloc>::size_type
<span class="lineNum"> 870 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 871 </span> : find_last_not_of(_CharT __c, size_type __pos) const
<span class="lineNum"> 872 </span> : {
<span class="lineNum"> 873 </span> : size_type __size = this->size();
<span class="lineNum"> 874 </span> : if (__size)
<span class="lineNum"> 875 </span> : {
<span class="lineNum"> 876 </span> : if (--__size > __pos)
<span class="lineNum"> 877 </span> : __size = __pos;
<span class="lineNum"> 878 </span> : do
<span class="lineNum"> 879 </span> : {
<span class="lineNum"> 880 </span> : if (!traits_type::eq(_M_data()[__size], __c))
<span class="lineNum"> 881 </span> : return __size;
<span class="lineNum"> 882 </span> : }
<span class="lineNum"> 883 </span> : while (__size--);
<span class="lineNum"> 884 </span> : }
<span class="lineNum"> 885 </span> : return npos;
<span class="lineNum"> 886 </span> : }
<span class="lineNum"> 887 </span> :
<span class="lineNum"> 888 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 889 </span> : int
<span class="lineNum"> 890 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 891 </span> : compare(size_type __pos, size_type __n, const basic_string& __str) const
<span class="lineNum"> 892 </span> : {
<span class="lineNum"> 893 </span> : _M_check(__pos, "basic_string::compare");
<span class="lineNum"> 894 </span> : __n = _M_limit(__pos, __n);
<span class="lineNum"> 895 </span> : const size_type __osize = __str.size();
<span class="lineNum"> 896 </span> : const size_type __len = std::min(__n, __osize);
<span class="lineNum"> 897 </span> : int __r = traits_type::compare(_M_data() + __pos, __str.data(), __len);
<span class="lineNum"> 898 </span> : if (!__r)
<span class="lineNum"> 899 </span> : __r = _S_compare(__n, __osize);
<span class="lineNum"> 900 </span> : return __r;
<span class="lineNum"> 901 </span> : }
<span class="lineNum"> 902 </span> :
<span class="lineNum"> 903 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 904 </span> : int
<span class="lineNum"> 905 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 906 </span> : compare(size_type __pos1, size_type __n1, const basic_string& __str,
<span class="lineNum"> 907 </span> : size_type __pos2, size_type __n2) const
<span class="lineNum"> 908 </span> : {
<span class="lineNum"> 909 </span> : _M_check(__pos1, "basic_string::compare");
<span class="lineNum"> 910 </span> : __str._M_check(__pos2, "basic_string::compare");
<span class="lineNum"> 911 </span> : __n1 = _M_limit(__pos1, __n1);
<span class="lineNum"> 912 </span> : __n2 = __str._M_limit(__pos2, __n2);
<span class="lineNum"> 913 </span> : const size_type __len = std::min(__n1, __n2);
<span class="lineNum"> 914 </span> : int __r = traits_type::compare(_M_data() + __pos1,
<span class="lineNum"> 915 </span> : __str.data() + __pos2, __len);
<span class="lineNum"> 916 </span> : if (!__r)
<span class="lineNum"> 917 </span> : __r = _S_compare(__n1, __n2);
<span class="lineNum"> 918 </span> : return __r;
<span class="lineNum"> 919 </span> : }
<span class="lineNum"> 920 </span> :
<span class="lineNum"> 921 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 922 </span> : int
<span class="lineNum"> 923 </span> : basic_string<_CharT, _Traits, _Alloc>::
<span class="lineNum"> 924 </span> : compare(const _CharT* __s) const
<span class="lineNum"> 925 </span> : {
<span class="lineNum"> 926 </span> : __glibcxx_requires_string(__s);
<span class="lineNum"> 927 </span> : const size_type __size = this->size();
<span class="lineNum"> 928 </span> : const size_type __osize = traits_type::length(__s);
<span class="lineNum"> 929 </span> : const size_type __len = std::min(__size, __osize);
<span class="lineNum"> 930 </span> : int __r = traits_type::compare(_M_data(), __s, __len);
<span class="lineNum"> 931 </span> : if (!__r)
<span class="lineNum"> 932 </span> : __r = _S_compare(__size, __osize);
<span class="lineNum"> 933 </span> : return __r;
<span class="lineNum"> 934 </span> : }
<span class="lineNum"> 935 </span> :
<span class="lineNum"> 936 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 937 </span> : int
<span class="lineNum"> 938 </span> : basic_string <_CharT, _Traits, _Alloc>::
<span class="lineNum"> 939 </span> : compare(size_type __pos, size_type __n1, const _CharT* __s) const
<span class="lineNum"> 940 </span> : {
<span class="lineNum"> 941 </span> : __glibcxx_requires_string(__s);
<span class="lineNum"> 942 </span> : _M_check(__pos, "basic_string::compare");
<span class="lineNum"> 943 </span> : __n1 = _M_limit(__pos, __n1);
<span class="lineNum"> 944 </span> : const size_type __osize = traits_type::length(__s);
<span class="lineNum"> 945 </span> : const size_type __len = std::min(__n1, __osize);
<span class="lineNum"> 946 </span> : int __r = traits_type::compare(_M_data() + __pos, __s, __len);
<span class="lineNum"> 947 </span> : if (!__r)
<span class="lineNum"> 948 </span> : __r = _S_compare(__n1, __osize);
<span class="lineNum"> 949 </span> : return __r;
<span class="lineNum"> 950 </span> : }
<span class="lineNum"> 951 </span> :
<span class="lineNum"> 952 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 953 </span> : int
<span class="lineNum"> 954 </span> : basic_string <_CharT, _Traits, _Alloc>::
<span class="lineNum"> 955 </span> : compare(size_type __pos, size_type __n1, const _CharT* __s,
<span class="lineNum"> 956 </span> : size_type __n2) const
<span class="lineNum"> 957 </span> : {
<span class="lineNum"> 958 </span> : __glibcxx_requires_string_len(__s, __n2);
<span class="lineNum"> 959 </span> : _M_check(__pos, "basic_string::compare");
<span class="lineNum"> 960 </span> : __n1 = _M_limit(__pos, __n1);
<span class="lineNum"> 961 </span> : const size_type __len = std::min(__n1, __n2);
<span class="lineNum"> 962 </span> : int __r = traits_type::compare(_M_data() + __pos, __s, __len);
<span class="lineNum"> 963 </span> : if (!__r)
<span class="lineNum"> 964 </span> : __r = _S_compare(__n1, __n2);
<span class="lineNum"> 965 </span> : return __r;
<span class="lineNum"> 966 </span> : }
<span class="lineNum"> 967 </span> :
<span class="lineNum"> 968 </span> : // 21.3.7.9 basic_string::getline and operators
<span class="lineNum"> 969 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 970 </span> : basic_istream<_CharT, _Traits>&
<span class="lineNum"> 971 </span> : operator>>(basic_istream<_CharT, _Traits>& __in,
<span class="lineNum"> 972 </span> : basic_string<_CharT, _Traits, _Alloc>& __str)
<span class="lineNum"> 973 </span> : {
<span class="lineNum"> 974 </span> : typedef basic_istream<_CharT, _Traits> __istream_type;
<span class="lineNum"> 975 </span> : typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
<span class="lineNum"> 976 </span> : typedef typename __istream_type::ios_base __ios_base;
<span class="lineNum"> 977 </span> : typedef typename __istream_type::int_type __int_type;
<span class="lineNum"> 978 </span> : typedef typename __string_type::size_type __size_type;
<span class="lineNum"> 979 </span> : typedef ctype<_CharT> __ctype_type;
<span class="lineNum"> 980 </span> : typedef typename __ctype_type::ctype_base __ctype_base;
<span class="lineNum"> 981 </span> :
<span class="lineNum"> 982 </span> : __size_type __extracted = 0;
<span class="lineNum"> 983 </span> : typename __ios_base::iostate __err = __ios_base::goodbit;
<span class="lineNum"> 984 </span> : typename __istream_type::sentry __cerb(__in, false);
<span class="lineNum"> 985 </span> : if (__cerb)
<span class="lineNum"> 986 </span> : {
<span class="lineNum"> 987 </span> : try
<span class="lineNum"> 988 </span> : {
<span class="lineNum"> 989 </span> : // Avoid reallocation for common case.
<span class="lineNum"> 990 </span> : __str.erase();
<span class="lineNum"> 991 </span> : _CharT __buf[128];
<span class="lineNum"> 992 </span> : __size_type __len = 0;
<span class="lineNum"> 993 </span> : const streamsize __w = __in.width();
<span class="lineNum"> 994 </span> : const __size_type __n = __w > 0 ? static_cast<__size_type>(__w)
<span class="lineNum"> 995 </span> : : __str.max_size();
<span class="lineNum"> 996 </span> : const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc());
<span class="lineNum"> 997 </span> : const __int_type __eof = _Traits::eof();
<span class="lineNum"> 998 </span> : __int_type __c = __in.rdbuf()->sgetc();
<span class="lineNum"> 999 </span> :
<span class="lineNum"> 1000 </span> : while (__extracted < __n
<span class="lineNum"> 1001 </span> : && !_Traits::eq_int_type(__c, __eof)
<span class="lineNum"> 1002 </span> : && !__ct.is(__ctype_base::space,
<span class="lineNum"> 1003 </span> : _Traits::to_char_type(__c)))
<span class="lineNum"> 1004 </span> : {
<span class="lineNum"> 1005 </span> : if (__len == sizeof(__buf) / sizeof(_CharT))
<span class="lineNum"> 1006 </span> : {
<span class="lineNum"> 1007 </span> : __str.append(__buf, sizeof(__buf) / sizeof(_CharT));
<span class="lineNum"> 1008 </span> : __len = 0;
<span class="lineNum"> 1009 </span> : }
<span class="lineNum"> 1010 </span> : __buf[__len++] = _Traits::to_char_type(__c);
<span class="lineNum"> 1011 </span> : ++__extracted;
<span class="lineNum"> 1012 </span> : __c = __in.rdbuf()->snextc();
<span class="lineNum"> 1013 </span> : }
<span class="lineNum"> 1014 </span> : __str.append(__buf, __len);
<span class="lineNum"> 1015 </span> :
<span class="lineNum"> 1016 </span> : if (_Traits::eq_int_type(__c, __eof))
<span class="lineNum"> 1017 </span> : __err |= __ios_base::eofbit;
<span class="lineNum"> 1018 </span> : __in.width(0);
<span class="lineNum"> 1019 </span> : }
<span class="lineNum"> 1020 </span> : catch(__cxxabiv1::__forced_unwind&)
<span class="lineNum"> 1021 </span> : {
<span class="lineNum"> 1022 </span> : __in._M_setstate(__ios_base::badbit);
<span class="lineNum"> 1023 </span> : __throw_exception_again;
<span class="lineNum"> 1024 </span> : }
<span class="lineNum"> 1025 </span> : catch(...)
<span class="lineNum"> 1026 </span> : {
<span class="lineNum"> 1027 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS
<span class="lineNum"> 1028 </span> : // 91. Description of operator>> and getline() for string<>
<span class="lineNum"> 1029 </span> : // might cause endless loop
<span class="lineNum"> 1030 </span> : __in._M_setstate(__ios_base::badbit);
<span class="lineNum"> 1031 </span> : }
<span class="lineNum"> 1032 </span> : }
<span class="lineNum"> 1033 </span> : // 211. operator>>(istream&, string&) doesn't set failbit
<span class="lineNum"> 1034 </span> : if (!__extracted)
<span class="lineNum"> 1035 </span> : __err |= __ios_base::failbit;
<span class="lineNum"> 1036 </span> : if (__err)
<span class="lineNum"> 1037 </span> : __in.setstate(__err);
<span class="lineNum"> 1038 </span> : return __in;
<span class="lineNum"> 1039 </span> : }
<span class="lineNum"> 1040 </span> :
<span class="lineNum"> 1041 </span> : template<typename _CharT, typename _Traits, typename _Alloc>
<span class="lineNum"> 1042 </span> : basic_istream<_CharT, _Traits>&
<span class="lineNum"> 1043 </span> : getline(basic_istream<_CharT, _Traits>& __in,
<span class="lineNum"> 1044 </span> : basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim)
<span class="lineNum"> 1045 </span> : {
<span class="lineNum"> 1046 </span> : typedef basic_istream<_CharT, _Traits> __istream_type;
<span class="lineNum"> 1047 </span> : typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
<span class="lineNum"> 1048 </span> : typedef typename __istream_type::ios_base __ios_base;
<span class="lineNum"> 1049 </span> : typedef typename __istream_type::int_type __int_type;
<span class="lineNum"> 1050 </span> : typedef typename __string_type::size_type __size_type;
<span class="lineNum"> 1051 </span> :
<span class="lineNum"> 1052 </span> : __size_type __extracted = 0;
<span class="lineNum"> 1053 </span> : const __size_type __n = __str.max_size();
<span class="lineNum"> 1054 </span> : typename __ios_base::iostate __err = __ios_base::goodbit;
<span class="lineNum"> 1055 </span> : typename __istream_type::sentry __cerb(__in, true);
<span class="lineNum"> 1056 </span> : if (__cerb)
<span class="lineNum"> 1057 </span> : {
<span class="lineNum"> 1058 </span> : try
<span class="lineNum"> 1059 </span> : {
<span class="lineNum"> 1060 </span> : __str.erase();
<span class="lineNum"> 1061 </span> : const __int_type __idelim = _Traits::to_int_type(__delim);
<span class="lineNum"> 1062 </span> : const __int_type __eof = _Traits::eof();
<span class="lineNum"> 1063 </span> : __int_type __c = __in.rdbuf()->sgetc();
<span class="lineNum"> 1064 </span> :
<span class="lineNum"> 1065 </span> : while (__extracted < __n
<span class="lineNum"> 1066 </span> : && !_Traits::eq_int_type(__c, __eof)
<span class="lineNum"> 1067 </span> : && !_Traits::eq_int_type(__c, __idelim))
<span class="lineNum"> 1068 </span> : {
<span class="lineNum"> 1069 </span> : __str += _Traits::to_char_type(__c);
<span class="lineNum"> 1070 </span> : ++__extracted;
<span class="lineNum"> 1071 </span> : __c = __in.rdbuf()->snextc();
<span class="lineNum"> 1072 </span> : }
<span class="lineNum"> 1073 </span> :
<span class="lineNum"> 1074 </span> : if (_Traits::eq_int_type(__c, __eof))
<span class="lineNum"> 1075 </span> : __err |= __ios_base::eofbit;
<span class="lineNum"> 1076 </span> : else if (_Traits::eq_int_type(__c, __idelim))
<span class="lineNum"> 1077 </span> : {
<span class="lineNum"> 1078 </span> : ++__extracted;
<span class="lineNum"> 1079 </span> : __in.rdbuf()->sbumpc();
<span class="lineNum"> 1080 </span> : }
<span class="lineNum"> 1081 </span> : else
<span class="lineNum"> 1082 </span> : __err |= __ios_base::failbit;
<span class="lineNum"> 1083 </span> : }
<span class="lineNum"> 1084 </span> : catch(__cxxabiv1::__forced_unwind&)
<span class="lineNum"> 1085 </span> : {
<span class="lineNum"> 1086 </span> : __in._M_setstate(__ios_base::badbit);
<span class="lineNum"> 1087 </span> : __throw_exception_again;
<span class="lineNum"> 1088 </span> : }
<span class="lineNum"> 1089 </span> : catch(...)
<span class="lineNum"> 1090 </span> : {
<span class="lineNum"> 1091 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS
<span class="lineNum"> 1092 </span> : // 91. Description of operator>> and getline() for string<>
<span class="lineNum"> 1093 </span> : // might cause endless loop
<span class="lineNum"> 1094 </span> : __in._M_setstate(__ios_base::badbit);
<span class="lineNum"> 1095 </span> : }
<span class="lineNum"> 1096 </span> : }
<span class="lineNum"> 1097 </span> : if (!__extracted)
<span class="lineNum"> 1098 </span> : __err |= __ios_base::failbit;
<span class="lineNum"> 1099 </span> : if (__err)
<span class="lineNum"> 1100 </span> : __in.setstate(__err);
<span class="lineNum"> 1101 </span> : return __in;
<span class="lineNum"> 1102 </span> : }
<span class="lineNum"> 1103 </span> :
<span class="lineNum"> 1104 </span> : // Inhibit implicit instantiations for required instantiations,
<span class="lineNum"> 1105 </span> : // which are defined via explicit instantiations elsewhere.
<span class="lineNum"> 1106 </span> : // NB: This syntax is a GNU extension.
<span class="lineNum"> 1107 </span> : #if _GLIBCXX_EXTERN_TEMPLATE
<span class="lineNum"> 1108 </span> : extern template class basic_string<char>;
<span class="lineNum"> 1109 </span> : extern template
<span class="lineNum"> 1110 </span> : basic_istream<char>&
<span class="lineNum"> 1111 </span> : operator>>(basic_istream<char>&, string&);
<span class="lineNum"> 1112 </span> : extern template
<span class="lineNum"> 1113 </span> : basic_ostream<char>&
<span class="lineNum"> 1114 </span> : operator<<(basic_ostream<char>&, const string&);
<span class="lineNum"> 1115 </span> : extern template
<span class="lineNum"> 1116 </span> : basic_istream<char>&
<span class="lineNum"> 1117 </span> : getline(basic_istream<char>&, string&, char);
<span class="lineNum"> 1118 </span> : extern template
<span class="lineNum"> 1119 </span> : basic_istream<char>&
<span class="lineNum"> 1120 </span> : getline(basic_istream<char>&, string&);
<span class="lineNum"> 1121 </span> :
<span class="lineNum"> 1122 </span> : #ifdef _GLIBCXX_USE_WCHAR_T
<span class="lineNum"> 1123 </span> : extern template class basic_string<wchar_t>;
<span class="lineNum"> 1124 </span> : extern template
<span class="lineNum"> 1125 </span> : basic_istream<wchar_t>&
<span class="lineNum"> 1126 </span> : operator>>(basic_istream<wchar_t>&, wstring&);
<span class="lineNum"> 1127 </span> : extern template
<span class="lineNum"> 1128 </span> : basic_ostream<wchar_t>&
<span class="lineNum"> 1129 </span> : operator<<(basic_ostream<wchar_t>&, const wstring&);
<span class="lineNum"> 1130 </span> : extern template
<span class="lineNum"> 1131 </span> : basic_istream<wchar_t>&
<span class="lineNum"> 1132 </span> : getline(basic_istream<wchar_t>&, wstring&, wchar_t);
<span class="lineNum"> 1133 </span> : extern template
<span class="lineNum"> 1134 </span> : basic_istream<wchar_t>&
<span class="lineNum"> 1135 </span> : getline(basic_istream<wchar_t>&, wstring&);
<span class="lineNum"> 1136 </span> : #endif
<span class="lineNum"> 1137 </span> : #endif
<span class="lineNum"> 1138 </span> :
<span class="lineNum"> 1139 </span> : _GLIBCXX_END_NAMESPACE
<span class="lineNum"> 1140 </span> :
<span class="lineNum"> 1141 </span> : #endif
</pre>
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