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// fstream standard header |
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#pragma once |
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#ifndef _FSTREAM_ |
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#define _FSTREAM_ |
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#ifndef RC_INVOKED |
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#include <istream> |
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#ifdef _MSC_VER |
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#pragma pack(push,_CRT_PACKING) |
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#pragma warning(push,3) |
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#pragma warning(disable: 4127) |
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#endif /* _MSC_VER */ |
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_STD_BEGIN |
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extern _MRTIMP2_NCEEPURE _Filet *__CLRCALL_PURE_OR_CDECL _Fiopen(const char *, |
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ios_base::openmode, int); |
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extern _MRTIMP2_NCEEPURE _Filet *__CLRCALL_PURE_OR_CDECL _Fiopen(const wchar_t *, |
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ios_base::openmode, int); |
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#ifdef _NATIVE_WCHAR_T_DEFINED |
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extern _MRTIMP2_NCEEPURE _Filet *__CLRCALL_PURE_OR_CDECL _Fiopen(const unsigned short *, |
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ios_base::openmode, int); |
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#endif /* _NATIVE_WCHAR_T_DEFINED */ |
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// TEMPLATE FUNCTION _Fgetc |
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template<class _Elem> inline |
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bool _Fgetc(_Elem& _Ch, _Filet *_File) |
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{ // get an element from a C stream |
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return (fread(&_Ch, sizeof (_Elem), 1, _File) == 1); |
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} |
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template<> inline bool _Fgetc(char& _Byte, _Filet *_File) |
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{ // get a char element from a C stream |
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int _Meta; |
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if ((_Meta = fgetc(_File)) == EOF) |
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return (false); |
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else |
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{ // got one, convert to char |
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_Byte = (char)_Meta; |
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return (true); |
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} |
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} |
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template<> inline bool _Fgetc(wchar_t& _Wchar, _Filet *_File) |
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{ // get a wchar_t element from a C stream |
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wint_t _Meta; |
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if ((_Meta = ::fgetwc(_File)) == WEOF) |
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return (false); |
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else |
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{ // got one, convert to wchar_t |
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_Wchar = (wchar_t)_Meta; |
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return (true); |
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} |
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} |
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// TEMPLATE FUNCTION _Fputc |
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template<class _Elem> inline |
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bool _Fputc(_Elem _Ch, _Filet *_File) |
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{ // put an element to a C stream |
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return (fwrite(&_Ch, 1, sizeof (_Elem), _File) == sizeof (_Elem)); |
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} |
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template<> inline bool _Fputc(char _Byte, _Filet *_File) |
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{ // put a char element to a C stream |
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return (fputc(_Byte, _File) != EOF); |
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} |
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template<> inline bool _Fputc(wchar_t _Wchar, _Filet *_File) |
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{ // put a wchar_t element to a C stream |
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return (::fputwc(_Wchar, _File) != WEOF); |
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} |
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// TEMPLATE FUNCTION _Ungetc |
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template<class _Elem> inline |
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bool _Ungetc(const _Elem& _Ch, _Filet *_File) |
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{ // put back an arbitrary element to a C stream (always fail) |
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return (false); |
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} |
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template<> inline bool _Ungetc(const char& _Byte, _Filet *_File) |
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{ // put back a char element to a C stream |
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return (ungetc((unsigned char)_Byte, _File) != EOF); |
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} |
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template<> inline bool _Ungetc(const signed char& _Byte, _Filet *_File) |
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{ // put back a signed char element to a C stream |
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return (ungetc((unsigned char)_Byte, _File) != EOF); |
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} |
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template<> inline bool _Ungetc(const unsigned char& _Byte, _Filet *_File) |
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{ // put back an unsigned char element to a C stream |
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return (ungetc(_Byte, _File) != EOF); |
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} |
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template<> inline bool _Ungetc(const wchar_t& _Wchar, _Filet *_File) |
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{ // put back a wchar_t element to a C stream |
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return (::ungetwc(_Wchar, _File) != WEOF); |
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} |
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// TEMPLATE CLASS basic_filebuf |
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template<class _Elem, |
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class _Traits> |
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class basic_filebuf |
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: public basic_streambuf<_Elem, _Traits> |
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{ // stream buffer associated with a C stream |
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public: |
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typedef basic_filebuf<_Elem, _Traits> _Myt; |
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typedef basic_streambuf<_Elem, _Traits> _Mysb; |
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typedef typename _Traits::state_type _Myst; |
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typedef codecvt<_Elem, char, typename _Traits::state_type> _Cvt; |
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virtual __CLR_OR_THIS_CALL ~basic_filebuf() |
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{ // destroy the object |
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if (_Closef) |
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close(); |
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} |
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__CLR_OR_THIS_CALL basic_filebuf(_Filet *_File = 0) |
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: _Mysb() |
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{ // construct from pointer to C stream |
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_Init(_File, _Newfl); |
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} |
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typedef _Elem char_type; |
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typedef _Traits traits_type; |
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typedef typename _Traits::int_type int_type; |
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typedef typename _Traits::pos_type pos_type; |
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typedef typename _Traits::off_type off_type; |
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__CLR_OR_THIS_CALL basic_filebuf(_Uninitialized) |
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: _Mysb(_Noinit) |
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{ // construct uninitialized |
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} |
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enum _Initfl |
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{ // reasons for a call to _Init |
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_Newfl, _Openfl, _Closefl}; |
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bool __CLR_OR_THIS_CALL is_open() const |
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{ // test if C stream has been opened |
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return (_Myfile != 0); |
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} |
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_Myt *__CLR_OR_THIS_CALL open(const char *_Filename, |
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ios_base::openmode _Mode, |
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int _Prot = (int)ios_base::_Openprot) |
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{ // open a C stream with specified mode |
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_Filet *_File; |
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if (_Myfile != 0 || (_File = _Fiopen(_Filename, _Mode, _Prot)) == 0) |
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return (0); // open failed |
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_Init(_File, _Openfl); |
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_Initcvt((_Cvt *)&_USE(_Mysb::getloc(), _Cvt)); |
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return (this); // open succeeded |
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} |
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_Myt *__CLR_OR_THIS_CALL open(const char *_Filename, ios_base::open_mode _Mode) |
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{ // open a C stream with specified mode (old style) |
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return (open(_Filename, (ios_base::openmode)_Mode)); |
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} |
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_Myt *__CLR_OR_THIS_CALL open(const wchar_t *_Filename, |
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ios_base::openmode _Mode, |
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int _Prot = (int)ios_base::_Openprot) |
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{ // open a wide-named C stream -- EXTENSION |
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_Filet *_File; |
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if (_Myfile != 0 || (_File = _Fiopen(_Filename, _Mode, _Prot)) == 0) |
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return (0); // open failed |
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_Init(_File, _Openfl); |
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_Initcvt((_Cvt *)&_USE(_Mysb::getloc(), _Cvt)); |
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return (this); // open succeeded |
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} |
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_Myt *__CLR_OR_THIS_CALL open(const wchar_t *_Filename, ios_base::open_mode _Mode) |
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{ // open a wide-named C stream (old style) -- EXTENSION |
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return (open(_Filename, (ios_base::openmode)_Mode)); |
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} |
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#ifdef _NATIVE_WCHAR_T_DEFINED |
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_Myt * __CLR_OR_THIS_CALL open(const unsigned short *_Filename, |
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ios_base::openmode _Mode, |
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int _Prot = (int)ios_base::_Openprot) |
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{ // open a wide-named C stream -- EXTENSION |
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_Filet *_File; |
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if (_Myfile != 0 || (_File = _Fiopen(_Filename, _Mode, _Prot)) == 0) |
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return (0); // open failed |
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_Init(_File, _Openfl); |
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_Initcvt((_Cvt *)&_USE(_Mysb::getloc(), _Cvt)); |
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return (this); // open succeeded |
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} |
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_Myt * __CLR_OR_THIS_CALL open(const unsigned short *_Filename, ios_base::open_mode _Mode) |
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{ // open a wide-named C stream (old style) -- EXTENSION |
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return (open(_Filename, (ios_base::openmode)_Mode)); |
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} |
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#endif /* _NATIVE_WCHAR_T_DEFINED */ |
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_Myt *__CLR_OR_THIS_CALL close() |
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{ // close the C stream |
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_Myt *_Ans = this; |
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if (_Myfile == 0) |
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_Ans = 0; |
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else |
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{ // put any homing sequence and close file |
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if (!_Endwrite()) |
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_Ans = 0; |
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if (fclose(_Myfile) != 0) |
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_Ans = 0; |
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} |
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_Init(0, _Closefl); |
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return (_Ans); |
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} |
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protected: |
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virtual int_type __CLR_OR_THIS_CALL overflow(int_type _Meta = _Traits::eof()) |
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{ // put an element to stream |
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if (_Traits::eq_int_type(_Traits::eof(), _Meta)) |
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return (_Traits::not_eof(_Meta)); // EOF, return success code |
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else if (_Mysb::pptr() != 0 |
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&& _Mysb::pptr() < _Mysb::epptr()) |
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{ // room in buffer, store it |
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*_Mysb::_Pninc() = _Traits::to_char_type(_Meta); |
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return (_Meta); |
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} |
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else if (_Myfile == 0) |
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return (_Traits::eof()); // no open C stream, fail |
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else if (_Pcvt == 0) |
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return (_Fputc(_Traits::to_char_type(_Meta), _Myfile) |
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? _Meta : _Traits::eof()); // no codecvt facet, put as is |
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else |
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{ // put using codecvt facet |
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const int _STRING_INC = 8; |
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const _Elem _Ch = _Traits::to_char_type(_Meta); |
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const _Elem *_Src; |
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char *_Dest; |
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string _Str(_STRING_INC, '\0'); |
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for (; ; ) |
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switch (_Pcvt->out(_State, |
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&_Ch, &_Ch + 1, _Src, |
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&*_Str.begin(), &*_Str.begin() + _Str.size(), _Dest)) |
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{ // test result of converting one element |
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case codecvt_base::partial: |
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case codecvt_base::ok: |
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{ // converted something, try to put it out |
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size_t _Count = _Dest - &*_Str.begin(); |
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if (0 < _Count && _Count != |
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fwrite(&*_Str.begin(), 1, _Count, _Myfile)) |
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return (_Traits::eof()); // write failed |
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|
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_Wrotesome = true; // write succeeded |
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if (_Src != &_Ch) |
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return (_Meta); // converted whole element |
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|
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if (0 < _Count) |
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; |
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else if (_Str.size() < 4 * _STRING_INC) |
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_Str.append(_STRING_INC, '\0'); // try with more space |
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else |
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return (_Traits::eof()); // conversion failed |
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break; |
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} |
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|
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case codecvt_base::noconv: |
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return (_Fputc(_Ch, _Myfile) ? _Meta |
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: _Traits::eof()); // no conversion, put as is |
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default: |
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return (_Traits::eof()); // conversion failed |
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} |
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} |
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} |
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virtual int_type __CLR_OR_THIS_CALL pbackfail(int_type _Meta = _Traits::eof()) |
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{ // put an element back to stream |
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if (_Mysb::gptr() != 0 |
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&& _Mysb::eback() < _Mysb::gptr() |
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&& (_Traits::eq_int_type(_Traits::eof(), _Meta) |
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|| _Traits::eq_int_type(_Traits::to_int_type(_Mysb::gptr()[-1]), |
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_Meta))) |
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{ // just back up position |
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_Mysb::_Gndec(); |
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return (_Traits::not_eof(_Meta)); |
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} |
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else if (_Myfile == 0 || _Traits::eq_int_type(_Traits::eof(), _Meta)) |
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return (_Traits::eof()); // no open C stream or EOF, fail |
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else if (_Pcvt == 0 && _Ungetc(_Traits::to_char_type(_Meta), _Myfile)) |
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return (_Meta); // no facet and unget succeeded, return |
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#pragma warning(push) |
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#pragma warning(disable: 6237 6239) |
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/* prefast noise VSW 489858 */ |
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else if (1 < sizeof (_Elem) && _Mysb::gptr() != &_Mychar) |
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#pragma warning(pop) |
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{ // putback to _Mychar |
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_Mychar = _Traits::to_char_type(_Meta); |
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_Mysb::setg(&_Mychar, &_Mychar, &_Mychar + 1); |
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return (_Meta); |
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} |
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else |
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return (_Traits::eof()); // nowhere to put back |
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} |
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virtual int_type __CLR_OR_THIS_CALL underflow() |
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{ // get an element from stream, but don't point past it |
311 |
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int_type _Meta; |
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if (_Mysb::gptr() != 0 |
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&& _Mysb::gptr() < _Mysb::egptr()) |
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return (_Traits::to_int_type(*_Mysb::gptr())); // return buffered |
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else if (_Traits::eq_int_type(_Traits::eof(), _Meta = uflow())) |
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return (_Meta); // uflow failed, return EOF |
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else |
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{ // get a char, don't point past it |
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pbackfail(_Meta); |
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else if (_Myfile == 0) |
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return (_Traits::eof()); // no open C stream, fail |
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else if (_Pcvt == 0) |
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{ // no codecvt facet, just get it |
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_Elem _Ch; |
335 |
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return (_Fgetc(_Ch, _Myfile) ? _Traits::to_int_type(_Ch) |
336 |
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: _Traits::eof()); |
337 |
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} |
338 |
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else |
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{ // build string until codecvt succeeds |
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string _Str; |
341 |
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|
342 |
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for (; ; ) |
343 |
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{ // get using codecvt facet |
344 |
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_Elem _Ch, *_Dest; |
345 |
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const char *_Src; |
346 |
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ptrdiff_t _Nleft; |
347 |
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int _Meta = fgetc(_Myfile); |
348 |
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|
349 |
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if (_Meta == EOF) |
350 |
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return (_Traits::eof()); // partial char? |
351 |
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|
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_Str.append(1, (char)_Meta); // append byte and convert |
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switch (_Pcvt->in(_State, |
354 |
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&*_Str.begin(), &*_Str.begin() + _Str.size(), _Src, |
355 |
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&_Ch, &_Ch + 1, _Dest)) |
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{ // test result of converting one element |
357 |
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case codecvt_base::partial: |
358 |
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case codecvt_base::ok: |
359 |
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if (_Dest != &_Ch) |
360 |
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{ // got an element, put back excess and deliver it |
361 |
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_Nleft = (int)(&*_Str.begin() + _Str.size() - _Src); |
362 |
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for (; 0 < _Nleft; ) |
363 |
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ungetc(_Src[--_Nleft], _Myfile); |
364 |
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return (_Traits::to_int_type(_Ch)); |
365 |
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} |
366 |
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else |
367 |
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_Str.erase((size_t)0, // partial, discard used input |
368 |
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(size_t)(_Src - &*_Str.begin())); |
369 |
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break; |
370 |
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|
371 |
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case codecvt_base::noconv: |
372 |
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if (_Str.size() < sizeof (_Elem)) |
373 |
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break; // no conversion, but need more chars |
374 |
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|
375 |
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_CRT_SECURE_MEMCPY(&_Ch,sizeof (_Elem), &*_Str.begin(), |
376 |
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sizeof (_Elem)); // copy raw bytes to element |
377 |
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return (_Traits::to_int_type(_Ch)); // return result |
378 |
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|
379 |
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default: |
380 |
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return (_Traits::eof()); // conversion failed |
381 |
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} |
382 |
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} |
383 |
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} |
384 |
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} |
385 |
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386 |
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virtual pos_type __CLR_OR_THIS_CALL seekoff(off_type _Off, |
387 |
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ios_base::seekdir _Way, |
388 |
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ios_base::openmode = |
389 |
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(ios_base::openmode)(ios_base::in | ios_base::out)) |
390 |
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{ // change position by _Off |
391 |
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fpos_t _Fileposition; |
392 |
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|
393 |
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if (_Mysb::gptr() == &_Mychar // something putback |
394 |
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&& _Way == ios_base::cur // a relative seek |
395 |
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&& _Pcvt == 0) // not converting |
396 |
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_Off -= (off_type)sizeof (_Elem); // back up over _Elem bytes |
397 |
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|
398 |
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if (_Myfile == 0 || !_Endwrite() |
399 |
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|| (_Off != 0 || _Way != ios_base::cur) |
400 |
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&& fseek(_Myfile, (long)_Off, _Way) != 0 |
401 |
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|| fgetpos(_Myfile, &_Fileposition) != 0) |
402 |
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return (pos_type(_BADOFF)); // report failure |
403 |
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|
404 |
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if (_Mysb::gptr() == &_Mychar) |
405 |
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_Mysb::setg(&_Mychar, &_Mychar + 1, |
406 |
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&_Mychar + 1); // discard any putback |
407 |
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return (_POS_TYPE_FROM_STATE(pos_type, _State, |
408 |
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_Fileposition)); // return new position |
409 |
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} |
410 |
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|
411 |
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virtual pos_type __CLR_OR_THIS_CALL seekpos(pos_type _Pos, |
412 |
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ios_base::openmode = |
413 |
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(ios_base::openmode)(ios_base::in | ios_base::out)) |
414 |
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{ // change position to _Pos |
415 |
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fpos_t _Fileposition = _POS_TYPE_TO_FPOS_T(_Pos); |
416 |
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off_type _Off = (off_type)_Pos - (off_type)_FPOSOFF(_Fileposition); |
417 |
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|
418 |
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if (_Myfile == 0 || !_Endwrite() |
419 |
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|| fsetpos(_Myfile, &_Fileposition) != 0 |
420 |
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|| _Off != 0 && fseek(_Myfile, (long)_Off, SEEK_CUR) != 0 |
421 |
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|| fgetpos(_Myfile, &_Fileposition) != 0) |
422 |
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return (pos_type(_BADOFF)); // report failure |
423 |
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|
424 |
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_State = _POS_TYPE_TO_STATE(_Pos); |
425 |
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|
426 |
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if (_Mysb::gptr() == &_Mychar) |
427 |
|
_Mysb::setg(&_Mychar, &_Mychar + 1, |
428 |
|
&_Mychar + 1); // discard any putback |
429 |
|
return (_POS_TYPE_FROM_STATE(pos_type, _State, |
430 |
|
_Fileposition)); // return new position |
431 |
|
} |
432 |
|
|
433 |
|
virtual _Mysb *__CLR_OR_THIS_CALL setbuf(_Elem *_Buffer, streamsize _Count) |
434 |
|
{ // offer _Buffer to C stream |
435 |
|
if (_Myfile == 0 || setvbuf(_Myfile, (char *)_Buffer, |
436 |
|
_Buffer == 0 && _Count == 0 ? _IONBF : _IOFBF, |
437 |
|
_Count * sizeof (_Elem)) != 0) |
438 |
|
return (0); // failed |
439 |
|
else |
440 |
|
{ // new buffer, reinitialize pointers |
441 |
|
_Init(_Myfile, _Openfl); |
442 |
|
return (this); |
443 |
|
} |
444 |
|
} |
445 |
|
|
446 |
|
virtual int __CLR_OR_THIS_CALL sync() |
447 |
|
{ // synchronize C stream with external file |
448 |
|
return (_Myfile == 0 |
449 |
|
|| _Traits::eq_int_type(_Traits::eof(), overflow()) |
450 |
|
|| 0 <= fflush(_Myfile) ? 0 : -1); |
451 |
|
} |
452 |
|
|
453 |
|
virtual void __CLR_OR_THIS_CALL imbue(const locale& _Loc) |
454 |
|
{ // set locale to argument (capture nontrivial codecvt facet) |
455 |
|
_Initcvt((_Cvt *)&_USE(_Loc, _Cvt)); |
456 |
|
} |
457 |
|
|
458 |
|
void __CLR_OR_THIS_CALL _Init(_Filet *_File, _Initfl _Which) |
459 |
|
{ // initialize to C stream _File after {new, open, close} |
460 |
|
__PURE_APPDOMAIN_GLOBAL static _Myst _Stinit; // initial state |
461 |
|
_Closef = _Which == _Openfl; |
462 |
|
_Wrotesome = false; |
463 |
|
|
464 |
|
_Mysb::_Init(); // initialize stream buffer base object |
465 |
|
|
466 |
|
#ifndef _IORCNT |
467 |
|
#define _IORCNT _IOCNT /* read and write counts are the same */ |
468 |
|
#define _IOWCNT _IOCNT |
469 |
|
#endif /* _IORCNT */ |
470 |
|
|
471 |
|
#pragma warning(push) |
472 |
|
#pragma warning(disable: 6240) |
473 |
|
/* prefast noise VSW 489858 */ |
474 |
|
if (_File != 0 && sizeof (_Elem) == 1) |
475 |
|
#pragma warning(pop) |
476 |
|
{ // point inside C stream with [first, first + count) buffer |
477 |
|
_Elem **_Pb = (_Elem **)&_File->_IOBASE; |
478 |
|
_Elem **_Pn = (_Elem **)&_File->_IOPTR; |
479 |
|
int *_Nr = (int *)&_File->_IORCNT; |
480 |
|
int *_Nw = (int *)&_File->_IOWCNT; |
481 |
|
_Mysb::_Init(_Pb, _Pn, _Nr, _Pb, _Pn, _Nw); |
482 |
|
} |
483 |
|
|
484 |
|
_Myfile = _File; |
485 |
|
_State = _Stinit; |
486 |
|
_Pcvt = 0; // pointer to codecvt facet |
487 |
|
} |
488 |
|
|
489 |
|
bool __CLR_OR_THIS_CALL _Endwrite() |
490 |
|
{ // put shift to initial conversion state, as needed |
491 |
|
if (_Pcvt == 0 || !_Wrotesome) |
492 |
|
return (true); |
493 |
|
else |
494 |
|
{ // may have to put |
495 |
|
const int _STRING_INC = 8; |
496 |
|
char *_Dest; |
497 |
|
if (_Traits::eq_int_type(_Traits::eof(), overflow())) |
498 |
|
return (false); |
499 |
|
|
500 |
|
string _Str(_STRING_INC, '\0'); |
501 |
|
for (; ; ) |
502 |
|
switch (_Pcvt->unshift(_State, |
503 |
|
&*_Str.begin(), &*_Str.begin() + _Str.size(), _Dest)) |
504 |
|
{ // test result of homing conversion |
505 |
|
case codecvt_base::ok: |
506 |
|
_Wrotesome = false; // homed successfully |
507 |
|
|
508 |
|
case codecvt_base::partial: // fall through |
509 |
|
{ // put any generated bytes |
510 |
|
size_t _Count = _Dest - &*_Str.begin(); |
511 |
|
if (0 < _Count && _Count != |
512 |
|
fwrite(&*_Str.begin(), 1, _Count, _Myfile)) |
513 |
|
return (false); // write failed |
514 |
|
if (!_Wrotesome) |
515 |
|
return (true); |
516 |
|
if (_Count == 0) |
517 |
|
_Str.append(_STRING_INC, '\0'); // try with more space |
518 |
|
break; |
519 |
|
} |
520 |
|
|
521 |
|
case codecvt_base::noconv: |
522 |
|
return (true); // nothing to do |
523 |
|
|
524 |
|
default: |
525 |
|
return (false); // conversion failed |
526 |
|
} |
527 |
|
} |
528 |
|
} |
529 |
|
|
530 |
|
void __CLR_OR_THIS_CALL _Initcvt(_Cvt *_Newpcvt) |
531 |
|
{ // initialize codecvt pointer |
532 |
|
if (_Newpcvt->always_noconv()) |
533 |
|
_Pcvt = 0; // nothing to do |
534 |
|
else |
535 |
|
{ // set up for nontrivial codecvt facet |
536 |
|
_Pcvt = _Newpcvt; |
537 |
|
_Mysb::_Init(); // reset any buffering |
538 |
|
} |
539 |
|
} |
540 |
|
|
541 |
|
private: |
542 |
|
_Cvt *_Pcvt; // pointer to codecvt facet (may be null) |
543 |
|
_Elem _Mychar; // putback character, when _Ungetc fails |
544 |
|
bool _Wrotesome; // true if homing sequence may be needed |
545 |
|
typename _Traits::state_type _State; // current conversion state |
546 |
|
bool _Closef; // true if C stream must be closed |
547 |
|
_Filet *_Myfile; // pointer to C stream |
548 |
|
}; |
549 |
|
|
550 |
|
|
551 |
|
#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
552 |
|
|
553 |
|
template class _CRTIMP2_PURE basic_filebuf<char, |
554 |
|
char_traits<char> >; |
555 |
|
template class _CRTIMP2_PURE basic_filebuf<wchar_t, |
556 |
|
char_traits<wchar_t> >; |
557 |
|
|
558 |
|
|
559 |
|
|
560 |
|
#endif /* _DLL_CPPLIB */ |
561 |
|
|
562 |
|
// TEMPLATE CLASS basic_ifstream |
563 |
|
template<class _Elem, |
564 |
|
class _Traits> |
565 |
|
class basic_ifstream |
566 |
|
: public basic_istream<_Elem, _Traits> |
567 |
|
{ // input stream associated with a C stream |
568 |
|
public: |
569 |
|
typedef basic_ifstream<_Elem, _Traits> _Myt; |
570 |
|
typedef basic_filebuf<_Elem, _Traits> _Myfb; |
571 |
|
typedef basic_ios<_Elem, _Traits> _Myios; |
572 |
|
|
573 |
|
__CLR_OR_THIS_CALL basic_ifstream() |
574 |
|
: basic_istream<_Elem, _Traits>(&_Filebuffer) |
575 |
|
{ // construct unopened |
576 |
|
} |
577 |
|
|
578 |
|
explicit __CLR_OR_THIS_CALL basic_ifstream(const char *_Filename, |
579 |
|
ios_base::openmode _Mode = ios_base::in, |
580 |
|
int _Prot = (int)ios_base::_Openprot) |
581 |
|
: basic_istream<_Elem, _Traits>(&_Filebuffer) |
582 |
|
{ // construct with named file and specified mode |
583 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::in, _Prot) == 0) |
584 |
|
_Myios::setstate(ios_base::failbit); |
585 |
|
} |
586 |
|
|
587 |
|
explicit __CLR_OR_THIS_CALL basic_ifstream(const wchar_t *_Filename, |
588 |
|
ios_base::openmode _Mode = ios_base::in, |
589 |
|
int _Prot = (int)ios_base::_Openprot) |
590 |
|
: basic_istream<_Elem, _Traits>(&_Filebuffer) |
591 |
|
{ // construct with wide-named file -- EXTENSION |
592 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::in, _Prot) == 0) |
593 |
|
_Myios::setstate(ios_base::failbit); |
594 |
|
} |
595 |
|
|
596 |
|
#ifdef _NATIVE_WCHAR_T_DEFINED |
597 |
|
explicit __CLR_OR_THIS_CALL basic_ifstream(const unsigned short *_Filename, |
598 |
|
ios_base::openmode _Mode = ios_base::in, |
599 |
|
int _Prot = (int)ios_base::_Openprot) |
600 |
|
: basic_istream<_Elem, _Traits>(&_Filebuffer) |
601 |
|
{ // construct with wide-named file -- EXTENSION |
602 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::in, _Prot) == 0) |
603 |
|
_Myios::setstate(ios_base::failbit); |
604 |
|
} |
605 |
|
#endif /* _NATIVE_WCHAR_T_DEFINED */ |
606 |
|
|
607 |
|
explicit __CLR_OR_THIS_CALL basic_ifstream(_Filet *_File) |
608 |
|
: basic_istream<_Elem, _Traits>(&_Filebuffer), |
609 |
|
_Filebuffer(_File) |
610 |
|
{ // construct with specified C stream |
611 |
|
} |
612 |
|
|
613 |
|
void __CLR_OR_THIS_CALL open(const wchar_t *_Filename, |
614 |
|
ios_base::openmode _Mode = ios_base::in, |
615 |
|
int _Prot = (int)ios_base::_Openprot) |
616 |
|
{ // open a wide-named C stream -- EXTENSION |
617 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::in, _Prot) == 0) |
618 |
|
_Myios::setstate(ios_base::failbit); |
619 |
|
} |
620 |
|
|
621 |
|
void __CLR_OR_THIS_CALL open(const wchar_t *_Filename, ios_base::open_mode _Mode) |
622 |
|
{ // open wide-named file (old style) -- EXTENSION |
623 |
|
open(_Filename, (ios_base::openmode)_Mode); |
624 |
|
} |
625 |
|
|
626 |
|
#ifdef _NATIVE_WCHAR_T_DEFINED |
627 |
|
void __CLR_OR_THIS_CALL open(const unsigned short *_Filename, |
628 |
|
ios_base::openmode _Mode = ios_base::in, |
629 |
|
int _Prot = (int)ios_base::_Openprot) |
630 |
|
{ // open a wide-named C stream -- EXTENSION |
631 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::in, _Prot) == 0) |
632 |
|
_Myios::setstate(ios_base::failbit); |
633 |
|
} |
634 |
|
|
635 |
|
void __CLR_OR_THIS_CALL open(const unsigned short *_Filename, ios_base::open_mode _Mode) |
636 |
|
{ // open wide-named file (old style) -- EXTENSION |
637 |
|
open(_Filename, (ios_base::openmode)_Mode); |
638 |
|
} |
639 |
|
#endif /* _NATIVE_WCHAR_T_DEFINED */ |
640 |
|
|
641 |
|
virtual __CLR_OR_THIS_CALL ~basic_ifstream() |
642 |
|
{ // destroy the object |
643 |
|
} |
644 |
|
|
645 |
|
_Myfb *__CLR_OR_THIS_CALL rdbuf() const |
646 |
|
{ // return pointer to file buffer |
647 |
|
return ((_Myfb *)&_Filebuffer); |
648 |
|
} |
649 |
|
|
650 |
|
bool __CLR_OR_THIS_CALL is_open() const |
651 |
|
{ // test if C stream has been opened |
652 |
|
return (_Filebuffer.is_open()); |
653 |
|
} |
654 |
|
|
655 |
|
void __CLR_OR_THIS_CALL open(const char *_Filename, |
656 |
|
ios_base::openmode _Mode = ios_base::in, |
657 |
|
int _Prot = (int)ios_base::_Openprot) |
658 |
|
{ // open a C stream with specified mode |
659 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::in, _Prot) == 0) |
660 |
|
_Myios::setstate(ios_base::failbit); |
661 |
|
} |
662 |
|
|
663 |
|
void __CLR_OR_THIS_CALL open(const char *_Filename, ios_base::open_mode _Mode) |
664 |
|
{ // open named file with specified mode (old style) |
665 |
|
open(_Filename, (ios_base::openmode)_Mode); |
666 |
|
} |
667 |
|
|
668 |
|
void __CLR_OR_THIS_CALL close() |
669 |
|
{ // close the C stream |
670 |
|
if (_Filebuffer.close() == 0) |
671 |
|
_Myios::setstate(ios_base::failbit); |
672 |
|
} |
673 |
|
|
674 |
|
private: |
675 |
|
_Myfb _Filebuffer; // the file buffer |
676 |
|
}; |
677 |
|
|
678 |
|
#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
679 |
|
|
680 |
|
template class _CRTIMP2_PURE basic_ifstream<char, |
681 |
|
char_traits<char> >; |
682 |
|
template class _CRTIMP2_PURE basic_ifstream<wchar_t, |
683 |
|
char_traits<wchar_t> >; |
684 |
|
|
685 |
|
|
686 |
|
|
687 |
|
#endif /* _DLL_CPPLIB */ |
688 |
|
|
689 |
|
// TEMPLATE CLASS basic_ofstream |
690 |
|
template<class _Elem, |
691 |
|
class _Traits> |
692 |
|
class basic_ofstream |
693 |
|
: public basic_ostream<_Elem, _Traits> |
694 |
|
{ // output stream associated with a C stream |
695 |
|
public: |
696 |
|
typedef basic_ofstream<_Elem, _Traits> _Myt; |
697 |
|
typedef basic_filebuf<_Elem, _Traits> _Myfb; |
698 |
|
typedef basic_ios<_Elem, _Traits> _Myios; |
699 |
|
|
700 |
|
__CLR_OR_THIS_CALL basic_ofstream() |
701 |
|
: basic_ostream<_Elem, _Traits>(&_Filebuffer) |
702 |
|
{ // construct unopened |
703 |
|
} |
704 |
|
|
705 |
|
explicit __CLR_OR_THIS_CALL basic_ofstream(const char *_Filename, |
706 |
|
ios_base::openmode _Mode = ios_base::out, |
707 |
|
int _Prot = (int)ios_base::_Openprot) |
708 |
|
: basic_ostream<_Elem, _Traits>(&_Filebuffer) |
709 |
|
{ // construct with named file and specified mode |
710 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::out, _Prot) == 0) |
711 |
|
_Myios::setstate(ios_base::failbit); |
712 |
|
} |
713 |
|
|
714 |
|
explicit __CLR_OR_THIS_CALL basic_ofstream(const wchar_t *_Filename, |
715 |
|
ios_base::openmode _Mode = ios_base::out, |
716 |
|
int _Prot = (int)ios_base::_Openprot) |
717 |
|
: basic_ostream<_Elem, _Traits>(&_Filebuffer) |
718 |
|
{ // construct with wide-named file -- EXTENSION |
719 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::out, _Prot) == 0) |
720 |
|
_Myios::setstate(ios_base::failbit); |
721 |
|
} |
722 |
|
|
723 |
|
#ifdef _NATIVE_WCHAR_T_DEFINED |
724 |
|
explicit __CLR_OR_THIS_CALL basic_ofstream(const unsigned short *_Filename, |
725 |
|
ios_base::openmode _Mode = ios_base::out, |
726 |
|
int _Prot = (int)ios_base::_Openprot) |
727 |
|
: basic_ostream<_Elem, _Traits>(&_Filebuffer) |
728 |
|
{ // construct with wide-named file -- EXTENSION |
729 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::out, _Prot) == 0) |
730 |
|
_Myios::setstate(ios_base::failbit); |
731 |
|
} |
732 |
|
#endif /* _NATIVE_WCHAR_T_DEFINED */ |
733 |
|
|
734 |
|
explicit __CLR_OR_THIS_CALL basic_ofstream(_Filet *_File) |
735 |
|
: basic_ostream<_Elem, _Traits>(&_Filebuffer), |
736 |
|
_Filebuffer(_File) |
737 |
|
{ // construct with specified C stream |
738 |
|
} |
739 |
|
|
740 |
|
virtual __CLR_OR_THIS_CALL ~basic_ofstream() |
741 |
|
{ // destroy the object |
742 |
|
} |
743 |
|
|
744 |
|
_Myfb *__CLR_OR_THIS_CALL rdbuf() const |
745 |
|
{ // return pointer to file buffer |
746 |
|
return ((_Myfb *)&_Filebuffer); |
747 |
|
} |
748 |
|
|
749 |
|
bool __CLR_OR_THIS_CALL is_open() const |
750 |
|
{ // test if C stream has been opened |
751 |
|
return (_Filebuffer.is_open()); |
752 |
|
} |
753 |
|
|
754 |
|
void __CLR_OR_THIS_CALL open(const wchar_t *_Filename, |
755 |
|
ios_base::openmode _Mode = ios_base::out, |
756 |
|
int _Prot = (int)ios_base::_Openprot) |
757 |
|
{ // open a wide-named C stream -- EXTENSION |
758 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::out, _Prot) == 0) |
759 |
|
_Myios::setstate(ios_base::failbit); |
760 |
|
} |
761 |
|
|
762 |
|
void __CLR_OR_THIS_CALL open(const wchar_t *_Filename, ios_base::open_mode _Mode) |
763 |
|
{ // open a wide-named C stream (old style) -- EXTENSION |
764 |
|
open(_Filename, (ios_base::openmode)_Mode); |
765 |
|
} |
766 |
|
|
767 |
|
#ifdef _NATIVE_WCHAR_T_DEFINED |
768 |
|
void __CLR_OR_THIS_CALL open(const unsigned short *_Filename, |
769 |
|
ios_base::openmode _Mode = ios_base::out, |
770 |
|
int _Prot = (int)ios_base::_Openprot) |
771 |
|
{ // open a wide-named C stream -- EXTENSION |
772 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::out, _Prot) == 0) |
773 |
|
_Myios::setstate(ios_base::failbit); |
774 |
|
} |
775 |
|
|
776 |
|
void __CLR_OR_THIS_CALL open(const unsigned short *_Filename, ios_base::open_mode _Mode) |
777 |
|
{ // open wide-named file (old style) -- EXTENSION |
778 |
|
open(_Filename, (ios_base::openmode)_Mode); |
779 |
|
} |
780 |
|
#endif /* _NATIVE_WCHAR_T_DEFINED */ |
781 |
|
|
782 |
|
void __CLR_OR_THIS_CALL open(const char *_Filename, |
783 |
|
ios_base::openmode _Mode = ios_base::out, |
784 |
|
int _Prot = (int)ios_base::_Openprot) |
785 |
|
{ // open a C stream with specified mode |
786 |
|
if (_Filebuffer.open(_Filename, _Mode | ios_base::out, _Prot) == 0) |
787 |
|
_Myios::setstate(ios_base::failbit); |
788 |
|
} |
789 |
|
|
790 |
|
void __CLR_OR_THIS_CALL open(const char *_Filename, ios_base::open_mode _Mode) |
791 |
|
{ // open a C stream with specified mode (old style) |
792 |
|
open(_Filename, (ios_base::openmode)_Mode); |
793 |
|
} |
794 |
|
|
795 |
|
void __CLR_OR_THIS_CALL close() |
796 |
|
{ // close the C stream |
797 |
|
if (_Filebuffer.close() == 0) |
798 |
|
_Myios::setstate(ios_base::failbit); |
799 |
|
} |
800 |
|
|
801 |
|
private: |
802 |
|
_Myfb _Filebuffer; // the file buffer |
803 |
|
}; |
804 |
|
|
805 |
|
#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
806 |
|
|
807 |
|
template class _CRTIMP2_PURE basic_ofstream<char, |
808 |
|
char_traits<char> >; |
809 |
|
template class _CRTIMP2_PURE basic_ofstream<wchar_t, |
810 |
|
char_traits<wchar_t> >; |
811 |
|
|
812 |
|
|
813 |
|
|
814 |
|
#endif /* _DLL_CPPLIB */ |
815 |
|
|
816 |
|
// TEMPLATE CLASS basic_fstream |
817 |
|
template<class _Elem, |
818 |
|
class _Traits> |
819 |
|
class basic_fstream |
820 |
|
: public basic_iostream<_Elem, _Traits> |
821 |
|
{ // input/output stream associated with a C stream |
822 |
|
public: |
823 |
|
typedef basic_fstream<_Elem, _Traits> _Myt; |
824 |
|
typedef basic_ios<_Elem, _Traits> _Myios; |
825 |
|
typedef _Elem char_type; |
826 |
|
typedef _Traits traits_type; |
827 |
|
typedef typename _Traits::int_type int_type; |
828 |
|
typedef typename _Traits::pos_type pos_type; |
829 |
|
typedef typename _Traits::off_type off_type; |
830 |
|
|
831 |
|
__CLR_OR_THIS_CALL basic_fstream() |
832 |
|
: basic_iostream<_Elem, _Traits>(&_Filebuffer) |
833 |
|
{ // construct unopened |
834 |
|
} |
835 |
|
|
836 |
|
explicit __CLR_OR_THIS_CALL basic_fstream(const char *_Filename, |
837 |
|
ios_base::openmode _Mode = ios_base::in | ios_base::out, |
838 |
|
int _Prot = (int)ios_base::_Openprot) |
839 |
|
: basic_iostream<_Elem, _Traits>(&_Filebuffer) |
840 |
|
{ // construct with named file and specified mode |
841 |
|
if (_Filebuffer.open(_Filename, _Mode, _Prot) == 0) |
842 |
|
_Myios::setstate(ios_base::failbit); |
843 |
|
} |
844 |
|
|
845 |
|
explicit __CLR_OR_THIS_CALL basic_fstream(const wchar_t *_Filename, |
846 |
|
ios_base::openmode _Mode = ios_base::in | ios_base::out, |
847 |
|
int _Prot = (int)ios_base::_Openprot) |
848 |
|
: basic_iostream<_Elem, _Traits>(&_Filebuffer) |
849 |
|
{ // construct with wide-named file -- EXTENSION |
850 |
|
if (_Filebuffer.open(_Filename, _Mode, _Prot) == 0) |
851 |
|
_Myios::setstate(ios_base::failbit); |
852 |
|
} |
853 |
|
|
854 |
|
#ifdef _NATIVE_WCHAR_T_DEFINED |
855 |
|
explicit __CLR_OR_THIS_CALL basic_fstream(const unsigned short *_Filename, |
856 |
|
ios_base::openmode _Mode = ios_base::in | ios_base::out, |
857 |
|
int _Prot = (int)ios_base::_Openprot) |
858 |
|
: basic_iostream<_Elem, _Traits>(&_Filebuffer) |
859 |
|
{ // construct with wide-named file -- EXTENSION |
860 |
|
if (_Filebuffer.open(_Filename, _Mode, _Prot) == 0) |
861 |
|
_Myios::setstate(ios_base::failbit); |
862 |
|
} |
863 |
|
#endif /* _NATIVE_WCHAR_T_DEFINED */ |
864 |
|
|
865 |
|
explicit __CLR_OR_THIS_CALL basic_fstream(_Filet *_File) |
866 |
|
: basic_iostream<_Elem, _Traits>(&_Filebuffer), |
867 |
|
_Filebuffer(_File) |
868 |
|
{ // construct with specified C stream |
869 |
|
} |
870 |
|
|
871 |
|
void __CLR_OR_THIS_CALL open(const wchar_t *_Filename, |
872 |
|
ios_base::openmode _Mode = ios_base::in | ios_base::out, |
873 |
|
int _Prot = (int)ios_base::_Openprot) |
874 |
|
{ // open a wide-named C stream -- EXTENSION |
875 |
|
if (_Filebuffer.open(_Filename, _Mode, _Prot) == 0) |
876 |
|
_Myios::setstate(ios_base::failbit); |
877 |
|
} |
878 |
|
|
879 |
|
void __CLR_OR_THIS_CALL open(const wchar_t *_Filename, ios_base::open_mode _Mode) |
880 |
|
{ // open a wide-named C stream (old style) -- EXTENSION |
881 |
|
open(_Filename, (ios_base::openmode)_Mode); |
882 |
|
} |
883 |
|
|
884 |
|
#ifdef _NATIVE_WCHAR_T_DEFINED |
885 |
|
void __CLR_OR_THIS_CALL open(const unsigned short *_Filename, |
886 |
|
ios_base::openmode _Mode = ios_base::in | ios_base::out, |
887 |
|
int _Prot = (int)ios_base::_Openprot) |
888 |
|
{ // open a wide-named C stream -- EXTENSION |
889 |
|
if (_Filebuffer.open(_Filename, _Mode, _Prot) == 0) |
890 |
|
_Myios::setstate(ios_base::failbit); |
891 |
|
} |
892 |
|
|
893 |
|
void __CLR_OR_THIS_CALL open(const unsigned short *_Filename, ios_base::open_mode _Mode) |
894 |
|
{ // open a wide-named C stream (old style) -- EXTENSION |
895 |
|
open(_Filename, (ios_base::openmode)_Mode); |
896 |
|
} |
897 |
|
#endif /* _NATIVE_WCHAR_T_DEFINED */ |
898 |
|
|
899 |
|
virtual __CLR_OR_THIS_CALL ~basic_fstream() |
900 |
|
{ // destroy the object |
901 |
|
} |
902 |
|
|
903 |
|
basic_filebuf<_Elem, _Traits> *__CLR_OR_THIS_CALL rdbuf() const |
904 |
|
{ // return pointer to file buffer |
905 |
|
return ((basic_filebuf<_Elem, _Traits> *)&_Filebuffer); |
906 |
|
} |
907 |
|
|
908 |
|
bool __CLR_OR_THIS_CALL is_open() const |
909 |
|
{ // test if C stream has been opened |
910 |
|
return (_Filebuffer.is_open()); |
911 |
|
} |
912 |
|
|
913 |
|
void __CLR_OR_THIS_CALL open(const char *_Filename, |
914 |
|
ios_base::openmode _Mode = ios_base::in | ios_base::out, |
915 |
|
int _Prot = (int)ios_base::_Openprot) |
916 |
|
{ // open a C stream with specified mode |
917 |
|
if (_Filebuffer.open(_Filename, _Mode, _Prot) == 0) |
918 |
|
_Myios::setstate(ios_base::failbit); |
919 |
|
} |
920 |
|
|
921 |
|
void __CLR_OR_THIS_CALL open(const char *_Filename, ios_base::open_mode _Mode) |
922 |
|
{ // open a C stream with specified mode (old style) |
923 |
|
open(_Filename, (ios_base::openmode)_Mode); |
924 |
|
} |
925 |
|
|
926 |
|
void __CLR_OR_THIS_CALL close() |
927 |
|
{ // close the C stream |
928 |
|
if (_Filebuffer.close() == 0) |
929 |
|
_Myios::setstate(ios_base::failbit); |
930 |
|
} |
931 |
|
|
932 |
|
private: |
933 |
|
basic_filebuf<_Elem, _Traits> _Filebuffer; // the file buffer |
934 |
|
}; |
935 |
|
|
936 |
|
#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
937 |
|
|
938 |
|
template class _CRTIMP2_PURE basic_fstream<char, |
939 |
|
char_traits<char> >; |
940 |
|
template class _CRTIMP2_PURE basic_fstream<wchar_t, |
941 |
|
char_traits<wchar_t> >; |
942 |
|
|
943 |
|
|
944 |
|
|
945 |
|
#endif /* _DLL_CPPLIB */ |
946 |
|
_STD_END |
947 |
|
|
948 |
|
#ifdef _MSC_VER |
949 |
|
#pragma warning(default: 4127) |
950 |
|
#endif |
951 |
|
|
952 |
|
#ifdef _MSC_VER |
953 |
|
#pragma warning(pop) |
954 |
|
#pragma pack(pop) |
955 |
|
#endif /* _MSC_VER */ |
956 |
|
|
957 |
|
#endif /* RC_INVOKED */ |
958 |
|
#endif /* _FSTREAM_ */ |
959 |
|
|
960 |
|
/* |
961 |
|
* Copyright (c) 1992-2006 by P.J. Plauger. ALL RIGHTS RESERVED. |
962 |
|
* Consult your license regarding permissions and restrictions. |
963 |
|
V5.02:0009 */ |
964 |
|
|
|
|
|