mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-21 00:19:47 +08:00
840ceb345b
2002-11-21 Phil Edwards <pme@gcc.gnu.org> * docs/doxygen/TODO: Note change in clause 27 docs. * include/bits/basic_ios.h, include/bits/fpos.h, include/bits/ios_base.h, include/bits/stl_deque.h, include/bits/stl_iterator_base_types.h, include/std/std_fstream.h, include/std/std_iomanip.h, include/std/std_iosfwd.h, include/std/std_iostream.h, include/std/std_istream.h, include/std/std_ostream.h, include/std/std_sstream.h, include/std/std_streambuf.h: Doxygenate all I/O entities. From-SVN: r59325
128 lines
3.5 KiB
C++
128 lines
3.5 KiB
C++
// File position object and stream types
|
|
|
|
// Copyright (C) 1997, 1998, 1999, 2000, 2001 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 Input/output library
|
|
//
|
|
|
|
/** @file fpos.h
|
|
* This is an internal header file, included by other library headers.
|
|
* You should not attempt to use it directly.
|
|
*/
|
|
|
|
#ifndef _CPP_BITS_FPOS_H
|
|
#define _CPP_BITS_FPOS_H 1
|
|
|
|
#pragma GCC system_header
|
|
|
|
#include <bits/c++io.h>
|
|
#include <cwchar> // For mbstate_t.
|
|
|
|
namespace std
|
|
{
|
|
// 27.4.1 Types
|
|
|
|
// [27.4.3] template class fpos
|
|
/**
|
|
* @doctodo
|
|
*/
|
|
template<typename _StateT>
|
|
class fpos
|
|
{
|
|
public:
|
|
// Types:
|
|
typedef _StateT __state_type;
|
|
|
|
private:
|
|
streamoff _M_off;
|
|
__state_type _M_st;
|
|
|
|
public:
|
|
__state_type
|
|
state() const { return _M_st; }
|
|
|
|
void
|
|
state(__state_type __st) { _M_st = __st; }
|
|
|
|
// NB: The standard defines only the implicit copy ctor and the
|
|
// previous two members. The rest is a "conforming extension".
|
|
fpos(): _M_off(streamoff()), _M_st(__state_type()) { }
|
|
|
|
fpos(streamoff __off, __state_type __st = __state_type())
|
|
: _M_off(__off), _M_st(__st) { }
|
|
|
|
operator streamoff() const { return _M_off; }
|
|
|
|
fpos&
|
|
operator+=(streamoff __off) { _M_off += __off; return *this; }
|
|
|
|
fpos&
|
|
operator-=(streamoff __off) { _M_off -= __off; return *this; }
|
|
|
|
fpos
|
|
operator+(streamoff __off)
|
|
{
|
|
fpos __t(*this);
|
|
__t += __off;
|
|
return __t;
|
|
}
|
|
|
|
fpos
|
|
operator-(streamoff __off)
|
|
{
|
|
fpos __t(*this);
|
|
__t -= __off;
|
|
return __t;
|
|
}
|
|
|
|
bool
|
|
operator==(const fpos& __pos) const
|
|
{ return _M_off == __pos._M_off; }
|
|
|
|
bool
|
|
operator!=(const fpos& __pos) const
|
|
{ return _M_off != __pos._M_off; }
|
|
|
|
streamoff
|
|
_M_position() const { return _M_off; }
|
|
|
|
void
|
|
_M_position(streamoff __off) { _M_off = __off; }
|
|
};
|
|
|
|
/// 27.2, paragraph 10 about fpos/char_traits circularity
|
|
typedef fpos<mbstate_t> streampos;
|
|
# ifdef _GLIBCPP_USE_WCHAR_T
|
|
/// 27.2, paragraph 10 about fpos/char_traits circularity
|
|
typedef fpos<mbstate_t> wstreampos;
|
|
# endif
|
|
} // namespace std
|
|
|
|
#endif
|