STLdoc: codecvt< _Elem, _Byte, _Statype > Class Template Reference

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Inheritance diagram for codecvt< _Elem, _Byte, _Statype >:

Public Types
typedef _Elem	intern_type

typedef _Byte	extern_type

typedef _Statype	state_type

Public Types inherited from codecvt_base
enum	{ ok, partial, error, noconv }

typedef int	result

Public Member Functions
result __CLR_OR_THIS_CALL	in (_Statype &_State, const _Byte _First1, const _Byte _Last1, const _Byte &_Mid1, _Elem _First2, _Elem _Last2, _Elem &_Mid2) const

result __CLR_OR_THIS_CALL	out (_Statype &_State, const _Elem _First1, const _Elem _Last1, const _Elem &_Mid1, _Byte _First2, _Byte _Last2, _Byte &_Mid2) const

result __CLR_OR_THIS_CALL	unshift (_Statype &_State, _Byte _First2, _Byte _Last2, _Byte *&_Mid2) const

int __CLR_OR_THIS_CALL	length (_Statype &_State, const _Byte _First1, const _Byte _Last1, size_t _Count) const

__CLR_OR_THIS_CALL	codecvt (size_t _Refs=0)

__CLR_OR_THIS_CALL	codecvt (const _Locinfo &_Lobj, size_t _Refs=0)

Public Member Functions inherited from codecvt_base
__CLR_OR_THIS_CALL	codecvt_base (size_t _Refs=0)

bool __CLR_OR_THIS_CALL	always_noconv () const _THROW0()

int __CLR_OR_THIS_CALL	max_length () const _THROW0()

int __CLR_OR_THIS_CALL	encoding () const _THROW0()

__CLR_OR_THIS_CALL	~codecvt_base () _NOEXCEPT

Public Member Functions inherited from locale::facet
virtual void __CLR_OR_THIS_CALL	_Incref ()

virtual _Facet_base *__CLR_OR_THIS_CALL	_Decref ()

__CLR_OR_THIS_CALL	facet (const facet &)=delete

facet &__CLR_OR_THIS_CALL	operator= (const facet &)=delete

Public Member Functions inherited from _Facet_base
virtual __CLR_OR_THIS_CALL	~_Facet_base () _NOEXCEPT

Static Public Member Functions
static size_t __CLRCALL_OR_CDECL	_Getcat (const locale::facet *_Ppf=0, const locale _Ploc=0)

Static Public Member Functions inherited from locale::facet
static size_t __CLRCALL_OR_CDECL	_Getcat (const facet *=0, const locale =0)

Static Public Attributes
static __PURE_APPDOMAIN_GLOBAL locale::id	id

Protected Member Functions
virtual __CLR_OR_THIS_CALL	~codecvt () _NOEXCEPT

void __CLR_OR_THIS_CALL	_Init (const _Locinfo &)

virtual bool __CLR_OR_THIS_CALL	do_always_noconv () const _THROW0()

virtual result __CLR_OR_THIS_CALL	do_in (_Statype &, const _Byte _First1, const _Byte _Last1, const _Byte &_Mid1, _Elem _First2, _Elem _Last2, _Elem &_Mid2) const

virtual result __CLR_OR_THIS_CALL	do_out (_Statype &, const _Elem _First1, const _Elem _Last1, const _Elem &_Mid1, _Byte _First2, _Byte _Last2, _Byte &_Mid2) const

virtual result __CLR_OR_THIS_CALL	do_unshift (_Statype &, _Byte _First2, _Byte , _Byte *&_Mid2) const

virtual int __CLR_OR_THIS_CALL	do_length (_Statype &, const _Byte _First1, const _Byte _Last1, size_t _Count) const

Protected Member Functions inherited from codecvt_base
virtual int __CLR_OR_THIS_CALL	do_max_length () const _THROW0()

virtual int __CLR_OR_THIS_CALL	do_encoding () const _THROW0()

Protected Member Functions inherited from locale::facet
__CLR_OR_THIS_CALL	facet (size_t _Initrefs=0)

virtual __CLR_OR_THIS_CALL	~facet () _NOEXCEPT

Member Typedef Documentation

template<class _Elem, class _Byte, class _Statype>

typedef _Byte codecvt< _Elem, _Byte, _Statype >::extern_type

template<class _Elem, class _Byte, class _Statype>

typedef _Elem codecvt< _Elem, _Byte, _Statype >::intern_type

template<class _Elem, class _Byte, class _Statype>

typedef _Statype codecvt< _Elem, _Byte, _Statype >::state_type

Constructor & Destructor Documentation

template<class _Elem, class _Byte, class _Statype>

__CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::codecvt ( size_t _Refs = 0 )

inlineexplicit

         : codecvt_base(_Refs)
         {   // construct from current locale
         _Init(_Locinfo());
         }

template<class _Elem, class _Byte, class _Statype>

__CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::codecvt	(	const _Locinfo &	_Lobj,
		size_t	_Refs = `0`
	)

inline

         : codecvt_base(_Refs)
         {   // construct from specified locale
         _Init(_Lobj);
         }

template<class _Elem, class _Byte, class _Statype>

virtual __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::~codecvt ( )

inlineprotectedvirtual

868 { // destroy the object

869 }

Member Function Documentation

template<class _Elem, class _Byte, class _Statype>

static size_t __CLRCALL_OR_CDECL codecvt< _Elem, _Byte, _Statype >::_Getcat	(	const locale::facet **	_Ppf = `0`,
		const locale *	_Ploc = `0`
	)

inlinestatic

         {   // return locale category mask and construct standard facet
         if (_Ppf != 0 && *_Ppf == 0)
             *_Ppf = new codecvt<_Elem, _Byte, _Statype>(
                 _Locinfo(_Ploc->c_str()));
         return (_X_CTYPE);
         }

template<class _Elem, class _Byte, class _Statype>

void __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::_Init ( const _Locinfo & )

inlineprotected

872 { // initialize from _Locinfo object

873 }

template<class _Elem, class _Byte, class _Statype>

virtual bool __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::do_always_noconv ( ) const

inlineprotectedvirtual

Reimplemented from codecvt_base.

Reimplemented in codecvt_utf8_utf16< _Elem, _Mymax, _Mymode >, codecvt_utf16< _Elem, _Mymax, _Mymode >, and codecvt_utf8< _Elem, _Mymax, _Mymode >.

         {   // return true if conversions never change input (from codecvt)
         return (is_same<_Byte, _Elem>::value);
         }

template<class _Elem, class _Byte, class _Statype>

virtual result __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::do_in	(	_Statype &	,
		const _Byte *	_First1,
		const _Byte *	_Last1,
		const _Byte *&	_Mid1,
		_Elem *	_First2,
		_Elem *	_Last2,
		_Elem *&	_Mid2
	)		const

inlineprotectedvirtual

Reimplemented in codecvt_utf8_utf16< _Elem, _Mymax, _Mymode >, codecvt_utf16< _Elem, _Mymax, _Mymode >, and codecvt_utf8< _Elem, _Mymax, _Mymode >.

         {   // convert bytes [_First1, _Last1) to [_First2, _Last)
         _Mid1 = _First1;
         _Mid2 = _First2;
         if (is_same<_Byte, _Elem>::value)
             return (noconv);    // convert nothing
         else
             {   // types differ, copy one for one
             for (; _Mid1 != _Last1 && _Mid2 != _Last2; ++_Mid1, ++_Mid2)
                 *_Mid2 = (_Elem)*_Mid1;
             return (ok);
             }
         }

template<class _Elem, class _Byte, class _Statype>

virtual int __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::do_length	(	_Statype &	,
		const _Byte *	_First1,
		const _Byte *	_Last1,
		size_t	_Count
	)		const

inlineprotectedvirtual

Reimplemented in codecvt_utf8_utf16< _Elem, _Mymax, _Mymode >, codecvt_utf16< _Elem, _Mymax, _Mymode >, and codecvt_utf8< _Elem, _Mymax, _Mymode >.

         {   // return min(_Count, converted length of bytes [_First1, _Last1))
         return ((int)(_Count < (size_t)(_Last1 - _First1)
             ? _Count : _Last1 - _First1));  // assume 1-to-1 conversion
         }

template<class _Elem, class _Byte, class _Statype>

virtual result __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::do_out	(	_Statype &	,
		const _Elem *	_First1,
		const _Elem *	_Last1,
		const _Elem *&	_Mid1,
		_Byte *	_First2,
		_Byte *	_Last2,
		_Byte *&	_Mid2
	)		const

inlineprotectedvirtual

Reimplemented in codecvt_utf8_utf16< _Elem, _Mymax, _Mymode >, codecvt_utf16< _Elem, _Mymax, _Mymode >, and codecvt_utf8< _Elem, _Mymax, _Mymode >.

         {   // convert [_First1, _Last1) to bytes [_First2, _Last)
         _Mid1 = _First1;
         _Mid2 = _First2;
         if (is_same<_Byte, _Elem>::value)
             return (noconv);    // convert nothing
         else
             {   // types differ, copy one for one
             for (; _Mid1 != _Last1 && _Mid2 != _Last2; ++_Mid1, ++_Mid2)
                 *_Mid2 = (_Byte)*_Mid1;
             return (ok);
             }
         }

template<class _Elem, class _Byte, class _Statype>

virtual result __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::do_unshift	(	_Statype &	,
		_Byte *	_First2,
		_Byte *	,
		_Byte *&	_Mid2
	)		const

inlineprotectedvirtual

Reimplemented in codecvt_utf8_utf16< _Elem, _Mymax, _Mymode >, codecvt_utf16< _Elem, _Mymax, _Mymode >, and codecvt_utf8< _Elem, _Mymax, _Mymode >.

         {   // generate bytes to return to default shift state
         _Mid2 = _First2;
         return (ok);    // convert nothing
         }

template<class _Elem, class _Byte, class _Statype>

result __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::in	(	_Statype &	_State,
		const _Byte *	_First1,
		const _Byte *	_Last1,
		const _Byte *&	_Mid1,
		_Elem *	_First2,
		_Elem *	_Last2,
		_Elem *&	_Mid2
	)		const

inline

         {   // convert bytes [_First1, _Last1) to [_First2, _Last)
         return (do_in(_State,
             _First1, _Last1, _Mid1, _First2, _Last2, _Mid2));
         }

template<class _Elem, class _Byte, class _Statype>

int __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::length	(	_Statype &	_State,
		const _Byte *	_First1,
		const _Byte *	_Last1,
		size_t	_Count
	)		const

inline

         {   // return min(_Count, converted length of bytes [_First1, _Last1))
         return (do_length(_State, _First1, _Last1, _Count));
         }

template<class _Elem, class _Byte, class _Statype>

result __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::out	(	_Statype &	_State,
		const _Elem *	_First1,
		const _Elem *	_Last1,
		const _Elem *&	_Mid1,
		_Byte *	_First2,
		_Byte *	_Last2,
		_Byte *&	_Mid2
	)		const

inline

         {   // convert [_First1, _Last1) to bytes [_First2, _Last2)
         return (do_out(_State,
             _First1, _Last1, _Mid1, _First2, _Last2, _Mid2));
         }

template<class _Elem, class _Byte, class _Statype>

result __CLR_OR_THIS_CALL codecvt< _Elem, _Byte, _Statype >::unshift	(	_Statype &	_State,
		_Byte *	_First2,
		_Byte *	_Last2,
		_Byte *&	_Mid2
	)		const

inline

         {   // generate bytes to return to default shift state
         return (do_unshift(_State, _First2, _Last2, _Mid2));
         }

Member Data Documentation

template<class _Elem, class _Byte, class _Statype>

__PURE_APPDOMAIN_GLOBAL locale::id codecvt< _Elem, _Byte, _Statype >::id

static

The documentation for this class was generated from the following file:

VS2017/inc/xlocale