/usr/share/gccxml-0.9/GCC/3.2/bits/sstream.tcc is in gccxml 0.9.0+cvs20111013-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 | // String based streams -*- C++ -*-
// Copyright (C) 1997, 1998, 1999, 2001, 2002
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882: 27.7 String-based streams
//
#ifndef _CPP_BITS_SSTREAM_TCC
#define _CPP_BITS_SSTREAM_TCC 1
#pragma GCC system_header
#include <sstream>
namespace std
{
template <class _CharT, class _Traits, class _Alloc>
typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type
basic_stringbuf<_CharT, _Traits, _Alloc>::
pbackfail(int_type __c)
{
int_type __ret = traits_type::eof();
bool __testeof = traits_type::eq_int_type(__c, traits_type::eof());
bool __testpos = _M_in_cur && _M_in_beg < _M_in_cur;
// Try to put back __c into input sequence in one of three ways.
// Order these tests done in is unspecified by the standard.
if (__testpos)
{
if (traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])
&& !__testeof)
{
--_M_in_cur;
__ret = __c;
}
else if (!__testeof)
{
--_M_in_cur;
*_M_in_cur = traits_type::to_char_type(__c);
__ret = __c;
}
else if (__testeof)
{
--_M_in_cur;
__ret = traits_type::not_eof(__c);
}
}
return __ret;
}
template <class _CharT, class _Traits, class _Alloc>
typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type
basic_stringbuf<_CharT, _Traits, _Alloc>::
overflow(int_type __c)
{
int_type __ret = traits_type::eof();
bool __testeof = traits_type::eq_int_type(__c, __ret);
bool __testwrite = _M_out_cur < _M_buf + _M_buf_size;
bool __testout = _M_mode & ios_base::out;
// Try to append __c into output sequence in one of two ways.
// Order these tests done in is unspecified by the standard.
if (__testout)
{
if (!__testeof)
{
__size_type __len = max(_M_buf_size, _M_buf_size_opt);
__len *= 2;
if (__testwrite)
__ret = this->sputc(traits_type::to_char_type(__c));
else if (__len <= _M_string.max_size())
{
// Force-allocate, re-sync.
_M_string = this->str();
_M_string.reserve(__len);
_M_buf_size = __len;
_M_really_sync(_M_in_cur - _M_in_beg,
_M_out_cur - _M_out_beg);
*_M_out_cur = traits_type::to_char_type(__c);
_M_out_cur_move(1);
__ret = __c;
}
}
else
__ret = traits_type::not_eof(__c);
}
return __ret;
}
template <class _CharT, class _Traits, class _Alloc>
typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type
basic_stringbuf<_CharT, _Traits, _Alloc>::
seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __mode)
{
pos_type __ret = pos_type(off_type(-1));
bool __testin = (ios_base::in & _M_mode & __mode) != 0;
bool __testout = (ios_base::out & _M_mode & __mode) != 0;
bool __testboth = __testin && __testout && __way != ios_base::cur;
__testin &= !(__mode & ios_base::out);
__testout &= !(__mode & ios_base::in);
if (_M_buf_size && (__testin || __testout || __testboth))
{
char_type* __beg = _M_buf;
char_type* __curi = NULL;
char_type* __curo = NULL;
char_type* __endi = NULL;
char_type* __endo = NULL;
if (__testin || __testboth)
{
__curi = this->gptr();
__endi = this->egptr();
}
if (__testout || __testboth)
{
__curo = this->pptr();
__endo = this->epptr();
}
off_type __newoffi = 0;
off_type __newoffo = 0;
if (__way == ios_base::cur)
{
__newoffi = __curi - __beg;
__newoffo = __curo - __beg;
}
else if (__way == ios_base::end)
{
__newoffi = __endi - __beg;
__newoffo = __endo - __beg;
}
if ((__testin || __testboth)
&& __newoffi + __off >= 0 && __endi - __beg >= __newoffi + __off)
{
_M_in_cur = __beg + __newoffi + __off;
__ret = pos_type(__newoffi);
}
if ((__testout || __testboth)
&& __newoffo + __off >= 0 && __endo - __beg >= __newoffo + __off)
{
_M_out_cur_move(__newoffo + __off - (_M_out_cur - __beg));
__ret = pos_type(__newoffo);
}
}
return __ret;
}
template <class _CharT, class _Traits, class _Alloc>
typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type
basic_stringbuf<_CharT, _Traits, _Alloc>::
seekpos(pos_type __sp, ios_base::openmode __mode)
{
pos_type __ret = pos_type(off_type(-1));
if (_M_buf_size)
{
off_type __pos = __sp; // Use streamoff operator to do conversion.
char_type* __beg = NULL;
char_type* __end = NULL;
bool __testin = (ios_base::in & _M_mode & __mode) != 0;
bool __testout = (ios_base::out & _M_mode & __mode) != 0;
bool __testboth = __testin && __testout;
__testin &= !(__mode & ios_base::out);
__testout &= !(__mode & ios_base::in);
// NB: Ordered.
bool __testposi = false;
bool __testposo = false;
if (__testin || __testboth)
{
__beg = this->eback();
__end = this->egptr();
if (0 <= __pos && __pos <= __end - __beg)
__testposi = true;
}
if (__testout || __testboth)
{
__beg = this->pbase();
__end = _M_buf + _M_buf_size;
if (0 <= __pos && __pos <= __end - __beg)
__testposo = true;
}
if (__testposi || __testposo)
{
if (__testposi)
_M_in_cur = _M_in_beg + __pos;
if (__testposo)
_M_out_cur_move((__pos) - (_M_out_cur - __beg));
__ret = pos_type(off_type(__pos));
}
}
return __ret;
}
// Inhibit implicit instantiations for required instantiations,
// which are defined via explicit instantiations elsewhere.
// NB: This syntax is a GNU extension.
extern template class basic_stringbuf<char>;
extern template class basic_istringstream<char>;
extern template class basic_ostringstream<char>;
extern template class basic_stringstream<char>;
#ifdef _GLIBCPP_USE_WCHAR_T
extern template class basic_stringbuf<wchar_t>;
extern template class basic_istringstream<wchar_t>;
extern template class basic_ostringstream<wchar_t>;
extern template class basic_stringstream<wchar_t>;
#endif
} // namespace std
#endif
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