2019-09-05 01:57:56 +03:00
|
|
|
// iosfwd standard header
|
|
|
|
|
|
|
|
// Copyright (c) Microsoft Corporation.
|
|
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
|
|
|
|
#pragma once
|
|
|
|
#ifndef _IOSFWD_
|
|
|
|
#define _IOSFWD_
|
|
|
|
#include <yvals.h>
|
|
|
|
#if _STL_COMPILER_PREPROCESSOR
|
|
|
|
|
|
|
|
#include <cstdio>
|
|
|
|
#include <cstring>
|
|
|
|
#include <cwchar>
|
|
|
|
#include <xstddef>
|
|
|
|
|
|
|
|
#pragma pack(push, _CRT_PACKING)
|
|
|
|
#pragma warning(push, _STL_WARNING_LEVEL)
|
|
|
|
#pragma warning(disable : _STL_DISABLED_WARNINGS)
|
|
|
|
_STL_DISABLE_CLANG_WARNINGS
|
|
|
|
#pragma push_macro("new")
|
|
|
|
#undef new
|
|
|
|
|
|
|
|
_STD_BEGIN
|
|
|
|
// I/O EXCEPTION MACROS
|
|
|
|
|
|
|
|
#if _HAS_EXCEPTIONS
|
|
|
|
#define _TRY_IO_BEGIN _TRY_BEGIN // begin try block
|
|
|
|
|
|
|
|
#define _CATCH_IO_END \
|
|
|
|
_CATCH_ALL /* catch block for _Myios */ \
|
|
|
|
_Myios::setstate(ios_base::badbit, true); /* set badbit and rethrow */ \
|
|
|
|
_CATCH_END
|
|
|
|
|
|
|
|
#define _CATCH_IO_(xtype, x) \
|
|
|
|
_CATCH_ALL /* catch block for basic_ios x */ \
|
|
|
|
(x) \
|
|
|
|
.setstate(xtype::badbit, true); /* set badbit and rethrow */ \
|
|
|
|
_CATCH_END
|
|
|
|
|
|
|
|
#else // _HAS_EXCEPTIONS
|
2019-11-08 01:43:51 +03:00
|
|
|
#define _TRY_IO_BEGIN { // begin try block
|
|
|
|
#define _CATCH_IO_END } // catch block for _Myios
|
2019-09-05 01:57:56 +03:00
|
|
|
#define _CATCH_IO_(xtype, x) } // catch block for basic_ios x
|
|
|
|
#endif // _HAS_EXCEPTIONS
|
|
|
|
|
|
|
|
// STREAM POSITIONING TYPES (from <streambuf>)
|
|
|
|
using streamoff = long long;
|
|
|
|
using streamsize = long long;
|
|
|
|
|
|
|
|
// CLASS TEMPLATE fpos (from <streambuf>)
|
|
|
|
template <class _Statetype>
|
|
|
|
class fpos { // store arbitrary file position
|
|
|
|
public:
|
|
|
|
/* implicit */ fpos(streamoff _Off = 0) : _Myoff(_Off), _Fpos(0), _Mystate() {}
|
|
|
|
|
|
|
|
fpos(_Statetype _State, fpos_t _Fileposition) : _Myoff(_Fileposition), _Fpos(0), _Mystate(_State) {}
|
|
|
|
|
|
|
|
_NODISCARD _Statetype state() const {
|
|
|
|
return _Mystate;
|
|
|
|
}
|
|
|
|
|
|
|
|
void state(_Statetype _State) {
|
|
|
|
_Mystate = _State;
|
|
|
|
}
|
|
|
|
|
|
|
|
operator streamoff() const {
|
|
|
|
// TRANSITION, ABI: We currently always set _Fpos to 0 but older .objs containing old
|
|
|
|
// basic_filebuf would set _Fpos.
|
|
|
|
return _Myoff + _Fpos;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifndef _REMOVE_FPOS_SEEKPOS
|
|
|
|
_DEPRECATE_FPOS_SEEKPOS fpos_t seekpos() const noexcept {
|
|
|
|
return {};
|
|
|
|
}
|
|
|
|
#endif // _REMOVE_FPOS_SEEKPOS
|
|
|
|
|
|
|
|
_NODISCARD streamoff operator-(const fpos& _Right) const {
|
|
|
|
return static_cast<streamoff>(*this) - static_cast<streamoff>(_Right);
|
|
|
|
}
|
|
|
|
|
|
|
|
fpos& operator+=(streamoff _Off) { // add offset
|
|
|
|
_Myoff += _Off;
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
fpos& operator-=(streamoff _Off) { // subtract offset
|
|
|
|
_Myoff -= _Off;
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
_NODISCARD fpos operator+(streamoff _Off) const {
|
|
|
|
fpos _Tmp = *this;
|
|
|
|
_Tmp += _Off;
|
|
|
|
return _Tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
_NODISCARD fpos operator-(streamoff _Off) const {
|
|
|
|
fpos _Tmp = *this;
|
|
|
|
_Tmp -= _Off;
|
|
|
|
return _Tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
_NODISCARD bool operator==(const fpos& _Right) const {
|
|
|
|
return static_cast<streamoff>(*this) == static_cast<streamoff>(_Right);
|
|
|
|
}
|
|
|
|
|
|
|
|
template <class _Int, enable_if_t<is_integral_v<_Int>, int> = 0>
|
|
|
|
_NODISCARD friend bool operator==(const fpos& _Left, const _Int _Right) {
|
|
|
|
return static_cast<streamoff>(_Left) == _Right;
|
|
|
|
}
|
|
|
|
|
|
|
|
template <class _Int, enable_if_t<is_integral_v<_Int>, int> = 0>
|
|
|
|
_NODISCARD friend bool operator==(const _Int _Left, const fpos& _Right) {
|
|
|
|
return _Left == static_cast<streamoff>(_Right);
|
|
|
|
}
|
|
|
|
|
|
|
|
_NODISCARD bool operator!=(const fpos& _Right) const {
|
|
|
|
return static_cast<streamoff>(*this) != static_cast<streamoff>(_Right);
|
|
|
|
}
|
|
|
|
|
|
|
|
template <class _Int, enable_if_t<is_integral_v<_Int>, int> = 0>
|
|
|
|
_NODISCARD friend bool operator!=(const fpos& _Left, const _Int _Right) {
|
|
|
|
return static_cast<streamoff>(_Left) != _Right;
|
|
|
|
}
|
|
|
|
|
|
|
|
template <class _Int, enable_if_t<is_integral_v<_Int>, int> = 0>
|
|
|
|
_NODISCARD friend bool operator!=(const _Int _Left, const fpos& _Right) {
|
|
|
|
return _Left != static_cast<streamoff>(_Right);
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
streamoff _Myoff; // stream offset
|
|
|
|
fpos_t _Fpos; // TRANSITION, ABI. C file position, not currently used
|
|
|
|
_Statetype _Mystate; // current conversion state
|
|
|
|
};
|
|
|
|
|
|
|
|
using streampos = fpos<_Mbstatet>;
|
|
|
|
using wstreampos = streampos;
|
|
|
|
|
|
|
|
// FORWARD REFERENCES
|
|
|
|
class locale;
|
|
|
|
template <class _Facet>
|
|
|
|
const _Facet& __CRTDECL use_facet(const locale&);
|
|
|
|
|
|
|
|
template <class _Elem>
|
|
|
|
struct char_traits;
|
|
|
|
template <>
|
|
|
|
struct char_traits<char>;
|
|
|
|
#ifdef __cpp_char8_t
|
|
|
|
template <>
|
|
|
|
struct char_traits<char8_t>;
|
|
|
|
#endif // __cpp_char8_t
|
|
|
|
template <>
|
|
|
|
struct char_traits<char16_t>;
|
|
|
|
template <>
|
|
|
|
struct char_traits<char32_t>;
|
|
|
|
template <>
|
|
|
|
struct char_traits<wchar_t>;
|
|
|
|
#ifdef _NATIVE_WCHAR_T_DEFINED
|
|
|
|
template <>
|
|
|
|
struct char_traits<unsigned short>;
|
|
|
|
#endif // _NATIVE_WCHAR_T_DEFINED
|
|
|
|
|
|
|
|
template <class _Ty>
|
|
|
|
class allocator;
|
|
|
|
class ios_base;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_ios;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class istreambuf_iterator;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class ostreambuf_iterator;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_streambuf;
|
|
|
|
|
|
|
|
#pragma vtordisp(push, 2) // compiler bug workaround
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_istream;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_ostream;
|
|
|
|
#pragma vtordisp(pop) // compiler bug workaround
|
|
|
|
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_iostream;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>, class _Alloc = allocator<_Elem>>
|
|
|
|
class basic_stringbuf;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>, class _Alloc = allocator<_Elem>>
|
|
|
|
class basic_istringstream;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>, class _Alloc = allocator<_Elem>>
|
|
|
|
class basic_ostringstream;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>, class _Alloc = allocator<_Elem>>
|
|
|
|
class basic_stringstream;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_filebuf;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_ifstream;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_ofstream;
|
|
|
|
template <class _Elem, class _Traits = char_traits<_Elem>>
|
|
|
|
class basic_fstream;
|
|
|
|
|
|
|
|
#if defined(_DLL_CPPLIB)
|
|
|
|
template <class _Elem, class _InIt>
|
|
|
|
class num_get;
|
|
|
|
template <class _Elem, class _OutIt>
|
|
|
|
class num_put;
|
|
|
|
template <class _Elem>
|
|
|
|
class collate;
|
|
|
|
#endif // defined(_DLL_CPPLIB)
|
|
|
|
|
|
|
|
// char TYPEDEFS
|
|
|
|
using ios = basic_ios<char, char_traits<char>>;
|
|
|
|
using streambuf = basic_streambuf<char, char_traits<char>>;
|
|
|
|
using istream = basic_istream<char, char_traits<char>>;
|
|
|
|
using ostream = basic_ostream<char, char_traits<char>>;
|
|
|
|
using iostream = basic_iostream<char, char_traits<char>>;
|
|
|
|
using stringbuf = basic_stringbuf<char, char_traits<char>, allocator<char>>;
|
|
|
|
using istringstream = basic_istringstream<char, char_traits<char>, allocator<char>>;
|
|
|
|
using ostringstream = basic_ostringstream<char, char_traits<char>, allocator<char>>;
|
|
|
|
using stringstream = basic_stringstream<char, char_traits<char>, allocator<char>>;
|
|
|
|
using filebuf = basic_filebuf<char, char_traits<char>>;
|
|
|
|
using ifstream = basic_ifstream<char, char_traits<char>>;
|
|
|
|
using ofstream = basic_ofstream<char, char_traits<char>>;
|
|
|
|
using fstream = basic_fstream<char, char_traits<char>>;
|
|
|
|
|
|
|
|
// wchar_t TYPEDEFS
|
|
|
|
using wios = basic_ios<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wstreambuf = basic_streambuf<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wistream = basic_istream<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wostream = basic_ostream<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wiostream = basic_iostream<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wstringbuf = basic_stringbuf<wchar_t, char_traits<wchar_t>, allocator<wchar_t>>;
|
|
|
|
using wistringstream = basic_istringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t>>;
|
|
|
|
using wostringstream = basic_ostringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t>>;
|
|
|
|
using wstringstream = basic_stringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t>>;
|
|
|
|
using wfilebuf = basic_filebuf<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wifstream = basic_ifstream<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wofstream = basic_ofstream<wchar_t, char_traits<wchar_t>>;
|
|
|
|
using wfstream = basic_fstream<wchar_t, char_traits<wchar_t>>;
|
|
|
|
|
|
|
|
#if defined(_CRTBLD)
|
|
|
|
// unsigned short TYPEDEFS
|
|
|
|
using ushistream = basic_istream<unsigned short, char_traits<unsigned short>>;
|
|
|
|
using ushostream = basic_ostream<unsigned short, char_traits<unsigned short>>;
|
|
|
|
using ushfilebuf = basic_filebuf<unsigned short, char_traits<unsigned short>>;
|
|
|
|
#endif // defined(_CRTBLD)
|
|
|
|
_STD_END
|
|
|
|
|
|
|
|
#pragma pop_macro("new")
|
|
|
|
_STL_RESTORE_CLANG_WARNINGS
|
|
|
|
#pragma warning(pop)
|
|
|
|
#pragma pack(pop)
|
|
|
|
#endif // _STL_COMPILER_PREPROCESSOR
|
|
|
|
#endif // _IOSFWD_
|