windows-nt/Source/XPSP1/NT/public/sdk/inc/crt/iosfwd
2020-09-26 16:20:57 +08:00

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// iosfwd standard header
#ifndef _IOSFWD_
#define _IOSFWD_
#include <cstdio>
#include <cstring>
#include <cwchar>
#include <xstddef>
#ifdef _MSC_VER
#pragma pack(push,8)
#endif /* _MSC_VER */
_STD_BEGIN
// STREAM POSITIONING TYPES (from <streambuf>)
#ifdef _WIN64
typedef __int64 streamoff;
typedef __int64 streamsize;
#else
typedef long streamoff;
typedef int streamsize;
#endif // _WIN64
const streamoff _BADOFF = -1;
extern _CRTIMP const fpos_t _Fpz;
// TEMPLATE CLASS fpos (from <streambuf>)
template<class _St>
class fpos {
typedef fpos<_St> _Myt;
public:
#ifdef _MT
fpos(streamoff _O = 0)
: _Off(_O), _Fpos(_Fpz)
{_Lockit _Lk;
_State = _Stz; }
#else
fpos(streamoff _O = 0)
: _Off(_O), _Fpos(_Fpz), _State(_Stz) {}
#endif
fpos(_St _S, fpos_t _F)
: _Off(0), _Fpos(_F), _State(_S) {}
_St state() const
{return (_State); }
void state(_St _S)
{_State = _S; }
fpos_t get_fpos_t() const
{return (_Fpos); }
operator streamoff() const
{return (_Off + _FPOSOFF(_Fpos)); }
streamoff operator-(const _Myt& _R) const
{return ((streamoff)*this - (streamoff)_R); }
_Myt& operator+=(streamoff _O)
{_Off += _O;
return (*this); }
_Myt& operator-=(streamoff _O)
{_Off -= _O;
return (*this); }
_Myt operator+(streamoff _O) const
{_Myt _Tmp = *this;
return (_Tmp += _O); }
_Myt operator-(streamoff _O) const
{_Myt _Tmp = *this;
return (_Tmp -= _O); }
bool operator==(const _Myt& _R) const
{return ((streamoff)*this == (streamoff)_R); }
bool operator!=(const _Myt& _R) const
{return (!(*this == _R)); }
private:
static _St _Stz;
streamoff _Off;
fpos_t _Fpos;
_St _State;
};
template<class _St>
_St fpos<_St>::_Stz;
typedef fpos<mbstate_t> streampos;
typedef streampos wstreampos;
// TEMPLATE STRUCT char_traits (FROM <string>)
template<class _E>
struct char_traits {
typedef _E char_type;
typedef _E int_type;
typedef streampos pos_type;
typedef streamoff off_type;
typedef mbstate_t state_type;
static void __cdecl assign(_E& _X, const _E& _Y)
{_X = _Y; }
static bool __cdecl eq(const _E& _X, const _E& _Y)
{return (_X == _Y); }
static bool __cdecl lt(const _E& _X, const _E& _Y)
{return (_X < _Y); }
static int __cdecl compare(const _E *_U, const _E *_V, size_t _N)
{for (size_t _I = 0; _I < _N; ++_I, ++_U, ++_V)
if (!eq(*_U, *_V))
return (lt(*_U, *_V) ? -1 : +1);
return (0); }
static size_t __cdecl length(const _E *_U)
{size_t _N;
for (_N = 0; !eq(*_U, _E(0)); ++_U)
++_N;
return (_N); }
static _E * __cdecl copy(_E *_U, const _E *_V, size_t _N)
{_E *_S = _U;
for (; 0 < _N; --_N, ++_U, ++_V)
assign(*_U, *_V);
return (_S); }
static const _E * __cdecl find(const _E *_U, size_t _N,
const _E& _C)
{for (; 0 < _N; --_N, ++_U)
if (eq(*_U, _C))
return (_U);
return (0); }
static _E * __cdecl move(_E *_U, const _E *_V, size_t _N)
{_E *_Ans = _U;
if (_V < _U && _U < _V + _N)
for (_U += _N, _V += _N; 0 < _N; --_N)
assign(*--_U, *--_V);
else
for (; 0 < _N; --_N, ++_U, ++_V)
assign(*_U, *_V);
return (_Ans); }
static _E * __cdecl assign(_E *_U, size_t _N, const _E& _C)
{_E *_Ans = _U;
for (; 0 < _N; --_N, ++_U)
assign(*_U, _C);
return (_Ans); }
static _E __cdecl to_char_type(const int_type& _C)
{return ((_E)_C); }
static int_type __cdecl to_int_type(const _E& _C)
{return ((int_type)_C); }
static bool __cdecl eq_int_type(const int_type& _X,
const int_type& _Y)
{return (_X == _Y); }
static int_type __cdecl eof()
{return (EOF); }
static int_type __cdecl not_eof(const int_type& _C)
{return (_C != eof() ? _C : !eof()); }
};
// STRUCT char_traits<wchar_t>
template<> struct _CRTIMP char_traits<wchar_t> {
typedef wchar_t _E;
typedef _E char_type; // for overloads
typedef wint_t int_type;
typedef streampos pos_type;
typedef streamoff off_type;
typedef mbstate_t state_type;
static void __cdecl assign(_E& _X, const _E& _Y)
{_X = _Y; }
static bool __cdecl eq(const _E& _X, const _E& _Y)
{return (_X == _Y); }
static bool __cdecl lt(const _E& _X, const _E& _Y)
{return (_X < _Y); }
static int __cdecl compare(const _E *_U, const _E *_V, size_t _N)
{return (wmemcmp(_U, _V, _N)); }
static size_t __cdecl length(const _E *_U)
{return (wcslen(_U)); }
static _E *__cdecl copy(_E *_U, const _E *_V, size_t _N)
{return (wmemcpy(_U, _V, _N)); }
static const _E * __cdecl find(const _E *_U, size_t _N,
const _E& _C)
{return ((const _E *)wmemchr(_U, _C, _N)); }
static _E * __cdecl move(_E *_U, const _E *_V, size_t _N)
{return (wmemmove(_U, _V, _N)); }
static _E * __cdecl assign(_E *_U, size_t _N, const _E& _C)
{return (wmemset(_U, _C, _N)); }
static _E __cdecl to_char_type(const int_type& _C)
{return ((_E)_C); }
static int_type __cdecl to_int_type(const _E& _C)
{return ((int_type)_C); }
static bool __cdecl eq_int_type(const int_type& _X,
const int_type& _Y)
{return (_X == _Y); }
static int_type __cdecl eof()
{return (WEOF); }
static int_type __cdecl not_eof(const int_type& _C)
{return (_C != eof() ? _C : !eof()); }
};
// STRUCT char_traits<char> (FROM <string>)
template<> struct _CRTIMP char_traits<char> {
typedef char _E;
typedef _E char_type;
typedef int int_type;
typedef streampos pos_type;
typedef streamoff off_type;
typedef mbstate_t state_type;
static void __cdecl assign(_E& _X, const _E& _Y)
{_X = _Y; }
static bool __cdecl eq(const _E& _X, const _E& _Y)
{return (_X == _Y); }
static bool __cdecl lt(const _E& _X, const _E& _Y)
{return (_X < _Y); }
static int __cdecl compare(const _E *_U, const _E *_V, size_t _N)
{return (memcmp(_U, _V, _N)); }
static size_t __cdecl length(const _E *_U)
{return (strlen(_U)); }
static _E * __cdecl copy(_E *_U, const _E *_V, size_t _N)
{return ((_E *)memcpy(_U, _V, _N)); }
static const _E * __cdecl find(const _E *_U, size_t _N,
const _E& _C)
{return ((const _E *)memchr(_U, _C, _N)); }
static _E * __cdecl move(_E *_U, const _E *_V, size_t _N)
{return ((_E *)memmove(_U, _V, _N)); }
static _E * __cdecl assign(_E *_U, size_t _N, const _E& _C)
{return ((_E *)memset(_U, _C, _N)); }
static _E __cdecl to_char_type(const int_type& _C)
{return ((_E)_C); }
static int_type __cdecl to_int_type(const _E& _C)
{return ((int_type)((unsigned char)_C)); }
static bool __cdecl eq_int_type(const int_type& _X,
const int_type& _Y)
{return (_X == _Y); }
static int_type __cdecl eof()
{return (EOF); }
static int_type __cdecl not_eof(const int_type& _C)
{return (_C != eof() ? _C : !eof()); }
};
// FORWARD REFERENCES
template<class T>
class allocator;
class ios_base;
template<class _E, class _Tr = char_traits<_E> >
class basic_ios;
template<class _E, class _Tr = char_traits<_E> >
class istreambuf_iterator;
template<class _E, class _Tr = char_traits<_E> >
class ostreambuf_iterator;
template<class _E, class _Tr = char_traits<_E> >
class basic_streambuf;
template<class _E, class _Tr = char_traits<_E> >
class basic_istream;
template<class _E, class _Tr = char_traits<_E> >
class basic_ostream;
template<class _E, class _Tr = char_traits<_E> >
class basic_iostream;
template<class _E, class _Tr = char_traits<_E>,
class _A = allocator<_E> >
class basic_stringbuf;
template<class _E, class _Tr = char_traits<_E>,
class _A = allocator<_E> >
class basic_istringstream;
template<class _E, class _Tr = char_traits<_E>,
class _A = allocator<_E> >
class basic_ostringstream;
template<class _E, class _Tr = char_traits<_E>,
class _A = allocator<_E> >
class basic_stringstream;
template<class _E, class _Tr = char_traits<_E> >
class basic_filebuf;
template<class _E, class _Tr = char_traits<_E> >
class basic_ifstream;
template<class _E, class _Tr = char_traits<_E> >
class basic_ofstream;
template<class _E, class _Tr = char_traits<_E> >
class basic_fstream;
// char TYPEDEFS
typedef basic_ios<char, char_traits<char> > ios;
typedef basic_streambuf<char, char_traits<char> > streambuf;
typedef basic_istream<char, char_traits<char> > istream;
typedef basic_ostream<char, char_traits<char> > ostream;
typedef basic_iostream<char, char_traits<char> > iostream;
typedef basic_stringbuf<char, char_traits<char>,
allocator<char> > stringbuf;
typedef basic_istringstream<char, char_traits<char>,
allocator<char> > istringstream;
typedef basic_ostringstream<char, char_traits<char>,
allocator<char> > ostringstream;
typedef basic_stringstream<char, char_traits<char>,
allocator<char> > stringstream;
typedef basic_filebuf<char, char_traits<char> > filebuf;
typedef basic_ifstream<char, char_traits<char> > ifstream;
typedef basic_ofstream<char, char_traits<char> > ofstream;
typedef basic_fstream<char, char_traits<char> > fstream;
// wchar_t TYPEDEFS
typedef basic_ios<wchar_t, char_traits<wchar_t> > wios;
typedef basic_streambuf<wchar_t, char_traits<wchar_t> >
wstreambuf;
typedef basic_istream<wchar_t, char_traits<wchar_t> > wistream;
typedef basic_ostream<wchar_t, char_traits<wchar_t> > wostream;
typedef basic_iostream<wchar_t, char_traits<wchar_t> > wiostream;
typedef basic_stringbuf<wchar_t, char_traits<wchar_t>,
allocator<wchar_t> > wstringbuf;
typedef basic_istringstream<wchar_t, char_traits<wchar_t>,
allocator<wchar_t> > wistringstream;
typedef basic_ostringstream<wchar_t, char_traits<wchar_t>,
allocator<wchar_t> > wostringstream;
typedef basic_stringstream<wchar_t, char_traits<wchar_t>,
allocator<wchar_t> > wstringstream;
typedef basic_filebuf<wchar_t, char_traits<wchar_t> > wfilebuf;
typedef basic_ifstream<wchar_t, char_traits<wchar_t> > wifstream;
typedef basic_ofstream<wchar_t, char_traits<wchar_t> > wofstream;
typedef basic_fstream<wchar_t, char_traits<wchar_t> > wfstream;
#ifdef _DLL
template<class _E, class _II >
class num_get;
template<class _E, class _OI >
class num_put;
template<class _E>
class collate;
typedef num_get<char, istreambuf_iterator<char, char_traits<char> > > numget;
typedef num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >
wnumget;
typedef num_put<char, ostreambuf_iterator<char, char_traits<char> > > numput;
typedef num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >
wnumput;
typedef collate<char> ncollate;
typedef collate<wchar_t> wcollate;
#endif
_STD_END
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _IOSFWD_ */
/*
* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
*/