/usr/share/gccxml-0.9/GCC/3.2/sstream is in gccxml 0.9.0+cvs20111013-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 | // String based streams -*- C++ -*-
// Copyright (C) 1997, 1998, 1999, 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
//
/** @file sstream
* This is a Standard C++ Library header. You should @c #include this header
* in your programs, rather than any of the "st[dl]_*.h" implementation files.
*/
#ifndef _CPP_SSTREAM
#define _CPP_SSTREAM 1
#pragma GCC system_header
#include <istream>
#include <ostream>
namespace std
{
template<typename _CharT, typename _Traits, typename _Alloc>
class basic_stringbuf : public basic_streambuf<_CharT, _Traits>
{
public:
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
// 251. basic_stringbuf missing allocator_type
typedef _Alloc allocator_type;
#endif
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard Types:
typedef basic_streambuf<char_type, traits_type> __streambuf_type;
typedef basic_string<char_type, _Traits, _Alloc> __string_type;
typedef typename __string_type::size_type __size_type;
protected:
// Data Members:
__string_type _M_string;
using __streambuf_type::_M_mode;
using __streambuf_type::_M_out_cur_move;
using __streambuf_type::_M_out_cur;
using __streambuf_type::_M_out_beg;
using __streambuf_type::_M_out_end;
using __streambuf_type::_M_buf_size;
using __streambuf_type::_M_buf_size_opt;
using __streambuf_type::_M_in_cur;
using __streambuf_type::_M_in_beg;
using __streambuf_type::_M_in_end;
using __streambuf_type::_M_buf;
using __streambuf_type::gptr;
public:
// Constructors:
explicit
basic_stringbuf(ios_base::openmode __mode = ios_base::in | ios_base::out)
: __streambuf_type(), _M_string()
{ _M_stringbuf_init(__mode); }
explicit
basic_stringbuf(const __string_type& __str,
ios_base::openmode __mode = ios_base::in | ios_base::out)
: __streambuf_type(), _M_string(__str.data(), __str.size())
{ _M_stringbuf_init(__mode); }
// Get and set:
__string_type
str() const
{
if (_M_mode & ios_base::out)
{
// This is the deal: _M_string.size() is a value that
// represents the size of the initial string that makes
// _M_string, and may not be the correct size of the
// current stringbuf internal buffer.
__size_type __len = _M_string.size();
if (_M_out_cur > _M_out_beg)
__len = max(__size_type(_M_out_end - _M_out_beg), __len);
return __string_type(_M_out_beg, _M_out_beg + __len);
}
else
return _M_string;
}
void
str(const __string_type& __s)
{
// Cannot use _M_string = __s, since v3 strings are COW.
_M_string.assign(__s.data(), __s.size());
_M_stringbuf_init(_M_mode);
}
protected:
// Common initialization code for both ctors goes here.
void
_M_stringbuf_init(ios_base::openmode __mode)
{
// _M_buf_size is a convenient alias for "what the streambuf
// thinks the allocated size of the string really is." This is
// necessary as ostringstreams are implemented with the
// streambufs having control of the allocation and
// re-allocation of the internal string object, _M_string.
_M_buf_size = _M_string.size();
// NB: Start ostringstream buffers at 512 bytes. This is an
// experimental value (pronounced "arbitrary" in some of the
// hipper english-speaking countries), and can be changed to
// suit particular needs.
_M_buf_size_opt = 512;
_M_mode = __mode;
if (_M_mode & (ios_base::ate | ios_base::app))
_M_really_sync(0, _M_buf_size);
else
_M_really_sync(0, 0);
}
// Overridden virtual functions:
virtual int_type
underflow()
{
if (_M_in_cur && _M_in_cur < _M_in_end)
return traits_type::to_int_type(*gptr());
else
return traits_type::eof();
}
virtual int_type
pbackfail(int_type __c = traits_type::eof());
virtual int_type
overflow(int_type __c = traits_type::eof());
virtual __streambuf_type*
setbuf(char_type* __s, streamsize __n)
{
if (__s && __n)
{
_M_string = __string_type(__s, __n);
_M_really_sync(0, 0);
}
return this;
}
virtual pos_type
seekoff(off_type __off, ios_base::seekdir __way,
ios_base::openmode __mode = ios_base::in | ios_base::out);
virtual pos_type
seekpos(pos_type __sp,
ios_base::openmode __mode = ios_base::in | ios_base::out);
// Internal function for correctly updating the internal buffer
// for a particular _M_string, due to initialization or
// re-sizing of an existing _M_string.
// Assumes: contents of _M_string and internal buffer match exactly.
// __i == _M_in_cur - _M_in_beg
// __o == _M_out_cur - _M_out_beg
virtual int
_M_really_sync(__size_type __i, __size_type __o)
{
char_type* __base = const_cast<char_type*>(_M_string.data());
bool __testin = _M_mode & ios_base::in;
bool __testout = _M_mode & ios_base::out;
__size_type __len = _M_string.size();
_M_buf = __base;
if (__testin)
this->setg(__base, __base + __i, __base + __len);
if (__testout)
{
this->setp(__base, __base + __len);
_M_out_cur += __o;
}
return 0;
}
};
// 27.7.2 Template class basic_istringstream
template<typename _CharT, typename _Traits, typename _Alloc>
class basic_istringstream : public basic_istream<_CharT, _Traits>
{
public:
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
// 251. basic_stringbuf missing allocator_type
typedef _Alloc allocator_type;
#endif
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard types:
typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
typedef basic_istream<char_type, traits_type> __istream_type;
private:
__stringbuf_type _M_stringbuf;
public:
// Constructors:
explicit
basic_istringstream(ios_base::openmode __mode = ios_base::in)
: __istream_type(NULL), _M_stringbuf(__mode | ios_base::in)
{ this->init(&_M_stringbuf); }
explicit
basic_istringstream(const __string_type& __str,
ios_base::openmode __mode = ios_base::in)
: __istream_type(NULL), _M_stringbuf(__str, __mode | ios_base::in)
{ this->init(&_M_stringbuf); }
~basic_istringstream()
{ }
// Members:
__stringbuf_type*
rdbuf() const
{ return const_cast<__stringbuf_type*>(&_M_stringbuf); }
__string_type
str() const
{ return _M_stringbuf.str(); }
void
str(const __string_type& __s)
{ _M_stringbuf.str(__s); }
};
// 27.7.3 Template class basic_ostringstream
template <typename _CharT, typename _Traits, typename _Alloc>
class basic_ostringstream : public basic_ostream<_CharT, _Traits>
{
public:
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
// 251. basic_stringbuf missing allocator_type
typedef _Alloc allocator_type;
#endif
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard types:
typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
typedef basic_ostream<char_type, traits_type> __ostream_type;
private:
__stringbuf_type _M_stringbuf;
public:
// Constructors/destructor:
explicit
basic_ostringstream(ios_base::openmode __mode = ios_base::out)
: __ostream_type(NULL), _M_stringbuf(__mode | ios_base::out)
{ this->init(&_M_stringbuf); }
explicit
basic_ostringstream(const __string_type& __str,
ios_base::openmode __mode = ios_base::out)
: __ostream_type(NULL), _M_stringbuf(__str, __mode | ios_base::out)
{ this->init(&_M_stringbuf); }
~basic_ostringstream()
{ }
// Members:
__stringbuf_type*
rdbuf() const
{ return const_cast<__stringbuf_type*>(&_M_stringbuf); }
__string_type
str() const
{ return _M_stringbuf.str(); }
void
str(const __string_type& __s)
{ _M_stringbuf.str(__s); }
};
// 27.7.4 Template class basic_stringstream
template <typename _CharT, typename _Traits, typename _Alloc>
class basic_stringstream : public basic_iostream<_CharT, _Traits>
{
public:
// Types:
typedef _CharT char_type;
typedef _Traits traits_type;
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
// 251. basic_stringbuf missing allocator_type
typedef _Alloc allocator_type;
#endif
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
// Non-standard Types:
typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
typedef basic_iostream<char_type, traits_type> __iostream_type;
private:
__stringbuf_type _M_stringbuf;
public:
// Constructors/destructors
explicit
basic_stringstream(ios_base::openmode __m = ios_base::out | ios_base::in)
: __iostream_type(NULL), _M_stringbuf(__m)
{ this->init(&_M_stringbuf); }
explicit
basic_stringstream(const __string_type& __str,
ios_base::openmode __m = ios_base::out | ios_base::in)
: __iostream_type(NULL), _M_stringbuf(__str, __m)
{ this->init(&_M_stringbuf); }
~basic_stringstream()
{ }
// Members:
__stringbuf_type*
rdbuf() const
{ return const_cast<__stringbuf_type*>(&_M_stringbuf); }
__string_type
str() const
{ return _M_stringbuf.str(); }
void
str(const __string_type& __s)
{ _M_stringbuf.str(__s); }
};
} // namespace std
#ifdef _GLIBCPP_NO_TEMPLATE_EXPORT
# define export
#endif
#ifdef _GLIBCPP_FULLY_COMPLIANT_HEADERS
# include <bits/sstream.tcc>
#endif
#endif
|