codecvt_byname< wchar_t, char, mbstate_t > Class Reference

#include <_codecvt.h>

Inheritance diagram for codecvt_byname< wchar_t, char, mbstate_t >:

Collaboration diagram for codecvt_byname< wchar_t, char, mbstate_t >:

Public Member Functions
	codecvt_byname (const char *__name, size_t __refs=0)
Public Member Functions inherited from codecvt< wchar_t, char, mbstate_t >
	codecvt (size_t __refs=0)
result	out (state_type &__state, const wchar_t *__from, const wchar_t *__from_end, const wchar_t *&__from_next, char *__to, char *__to_limit, char *&__to_next) const
result	unshift (state_type &__state, char *__to, char *__to_limit, char *&__to_next) const
result	in (state_type &__state, const char *__from, const char *__from_end, const char *&__from_next, wchar_t *__to, wchar_t *__to_limit, wchar_t *&__to_next) const
int	encoding () const _STLP_NOTHROW
bool	always_noconv () const _STLP_NOTHROW
int	length (state_type &__state, const char *__from, const char *__from_end, size_t __max) const
int	max_length () const _STLP_NOTHROW

Protected Member Functions
	~codecvt_byname ()
virtual result	do_out (state_type &__state, const wchar_t *__from, const wchar_t *__from_end, const wchar_t *&__from_next, char *__to, char *__to_limit, char *&__to_next) const
virtual result	do_in (state_type &__state, const char *__from, const char *__from_end, const char *&__from_next, wchar_t *__to, wchar_t *__to_limit, wchar_t *&__to_next) const
virtual result	do_unshift (state_type &__state, char *__to, char *__to_limit, char *&__to_next) const
virtual int	do_encoding () const _STLP_NOTHROW
virtual bool	do_always_noconv () const _STLP_NOTHROW
virtual int	do_length (state_type &__state, const char *__from, const char *__end, size_t __max) const
virtual int	do_max_length () const _STLP_NOTHROW
Protected Member Functions inherited from codecvt< wchar_t, char, mbstate_t >
	~codecvt ()
virtual result	do_out (state_type &__state, const wchar_t *__from, const wchar_t *__from_end, const wchar_t *&__from_next, char *__to, char *__to_limit, char *&__to_next) const
virtual result	do_in (state_type &__state, const char *__from, const char *__from_end, const char *&__from_next, wchar_t *__to, wchar_t *__to_limit, wchar_t *&__to_next) const
virtual result	do_unshift (state_type &__state, char *__to, char *__to_limit, char *&__to_next) const
virtual int	do_encoding () const _STLP_NOTHROW
virtual bool	do_always_noconv () const _STLP_NOTHROW
virtual int	do_length (state_type &__state, const char *__from, const char *__end, size_t __max) const
virtual int	do_max_length () const _STLP_NOTHROW
Protected Member Functions inherited from locale::facet
	facet (size_t __init_count=0)
virtual	~facet ()
Protected Member Functions inherited from _Refcount_Base
	_Refcount_Base (__stl_atomic_t __n)
__stl_atomic_t	_M_incr ()
__stl_atomic_t	_M_decr ()

Private Member Functions
	codecvt_byname (_Locale_codecvt *__cvt)
	codecvt_byname (const codecvt_byname< wchar_t, char, mbstate_t > &)
codecvt_byname< wchar_t, char, mbstate_t > &	operator= (const codecvt_byname< wchar_t, char, mbstate_t > &)

Private Attributes
_Locale_codecvt *	_M_codecvt

Friends
class	_Locale_impl

Additional Inherited Members
Public Types inherited from codecvt< wchar_t, char, mbstate_t >
typedef wchar_t	intern_type
typedef char	extern_type
typedef mbstate_t	state_type
Public Types inherited from codecvt_base
enum	result { ok , partial , error , noconv }
Static Public Attributes inherited from codecvt< wchar_t, char, mbstate_t >
static _STLP_STATIC_DECLSPEC locale::id	id = { 16 }

Detailed Description

Definition at line 383 of file _codecvt.h.

Constructor & Destructor Documentation

codecvt_byname() [1/3]

codecvt_byname< wchar_t, char, mbstate_t >::codecvt_byname ( const char *  __name, size_t  __refs = 0  )

explicit

Definition at line 290 of file facets_byname.cpp.

  : codecvt<wchar_t, char, mbstate_t>(refs) {
  if (!name)
    locale::_M_throw_on_null_name();
 
  int __err_code;
  char buf[_Locale_MAX_SIMPLE_NAME];
  _M_codecvt = _STLP_PRIV __acquire_codecvt(name, buf, 0, &__err_code);
  if (!_M_codecvt)
    locale::_M_throw_on_creation_failure(__err_code, name, "ctype");
}

~codecvt_byname()

codecvt_byname< wchar_t, char, mbstate_t >::~codecvt_byname ( )

protected

Definition at line 302 of file facets_byname.cpp.

{ _STLP_PRIV __release_codecvt(_M_codecvt); }

codecvt_byname() [2/3]

codecvt_byname< wchar_t, char, mbstate_t >::codecvt_byname ( _Locale_codecvt *  __cvt )

inlineprivate

Definition at line 425 of file _codecvt.h.

    : _M_codecvt(__cvt) {}

codecvt_byname() [3/3]

codecvt_byname< wchar_t, char, mbstate_t >::codecvt_byname ( const codecvt_byname< wchar_t, char, mbstate_t > &  )

private

Member Function Documentation

do_always_noconv()

bool codecvt_byname< wchar_t, char, mbstate_t >::do_always_noconv ( ) const

protectedvirtual

Reimplemented from codecvt< wchar_t, char, mbstate_t >.

Definition at line 402 of file facets_byname.cpp.

{ return false; }

do_encoding()

int codecvt_byname< wchar_t, char, mbstate_t >::do_encoding ( ) const

protectedvirtual

Reimplemented from codecvt< wchar_t, char, mbstate_t >.

Definition at line 391 of file facets_byname.cpp.

                                                                          {
  if (_WLocale_is_stateless(_M_codecvt)) {
    int max_width = _WLocale_mb_cur_max(_M_codecvt);
    int min_width = _WLocale_mb_cur_min(_M_codecvt);
    return min_width == max_width ? min_width : 0;
  }
  else
    return -1;
}

do_in()

codecvt< wchar_t, char, mbstate_t >::result codecvt_byname< wchar_t, char, mbstate_t >::do_in ( state_type &  __state, const char *  __from, const char *  __from_end, const char *&  __from_next, wchar_t *  __to, wchar_t *  __to_limit, wchar_t *&  __to_next  ) const

protectedvirtual

Reimplemented from codecvt< wchar_t, char, mbstate_t >.

Definition at line 338 of file facets_byname.cpp.

                                                                                   {
  while (from != from_end && to != to_end) {
    size_t chars_read = _WLocale_mbtowc(_M_codecvt,
                                        to, from, from_end - from,
                                        &state);
    if (chars_read == (size_t) -1) {
      from_next = from;
      to_next   = to;
      return error;
    }
 
    if (chars_read == (size_t) -2) {
      from_next = from;
      to_next   = to;
      return partial;
    }
 
    from += chars_read;
    to++;
  }
 
  from_next = from;
  to_next   = to;
  return ok;
}

do_length()

int codecvt_byname< wchar_t, char, mbstate_t >::do_length ( state_type &  __state, const char *  __from, const char *  __end, size_t  __max  ) const

protectedvirtual

Reimplemented from codecvt< wchar_t, char, mbstate_t >.

Definition at line 406 of file facets_byname.cpp.

                                                                                  {
  size_t __count = 0;
  while (from != end && mx--) {
    intern_type __dummy;
    size_t chars_read = _WLocale_mbtowc(_M_codecvt,
                                        &__dummy, from, end - from,
                                        &state);
    if ((chars_read == (size_t) -1) || (chars_read == (size_t) -2)) // error or partial
      break;
    __count += chars_read;
    from += chars_read;
  }
  return int(__count);
}

do_max_length()

int codecvt_byname< wchar_t, char, mbstate_t >::do_max_length ( ) const

protectedvirtual

Reimplemented from codecvt< wchar_t, char, mbstate_t >.

Definition at line 425 of file facets_byname.cpp.

{ return _WLocale_mb_cur_max(_M_codecvt); }

do_out()

codecvt< wchar_t, char, mbstate_t >::result codecvt_byname< wchar_t, char, mbstate_t >::do_out ( state_type &  __state, const wchar_t *  __from, const wchar_t *  __from_end, const wchar_t *&  __from_next, char *  __to, char *  __to_limit, char *&  __to_next  ) const

protectedvirtual

Reimplemented from codecvt< wchar_t, char, mbstate_t >.

Definition at line 306 of file facets_byname.cpp.

                                                                                    {
  while (from != from_end && to != to_limit) {
    size_t chars_stored = _WLocale_wctomb(_M_codecvt,
                                          to, to_limit - to, *from,
                                          &state);
    if (chars_stored == (size_t) -1) {
      from_next = from;
      to_next   = to;
      return error;
    }
    else if (chars_stored == (size_t) -2) {
      from_next = from;
      to_next   = to;
      return partial;
    }
 
    ++from;
    to += chars_stored;
  }
 
  from_next = from;
  to_next   = to;
  return ok;
}

do_unshift()

codecvt< wchar_t, char, mbstate_t >::result codecvt_byname< wchar_t, char, mbstate_t >::do_unshift ( state_type &  __state, char *  __to, char *  __to_limit, char *&  __to_next  ) const

protectedvirtual

Reimplemented from codecvt< wchar_t, char, mbstate_t >.

Definition at line 371 of file facets_byname.cpp.

                                                                                  {
  to_next = to;
  size_t result = _WLocale_unshift(_M_codecvt, &state,
                                   to, to_limit - to, &to_next);
  if (result == (size_t) -1)
    return error;
  else if (result == (size_t) -2)
    return partial;
  else
#    if defined (__ISCPP__)
    return /*to_next == to ? noconv :*/ ok;
#    else
    return to_next == to ? noconv : ok;
#    endif
}

operator=()

codecvt_byname< wchar_t, char, mbstate_t > & codecvt_byname< wchar_t, char, mbstate_t >::operator= ( const codecvt_byname< wchar_t, char, mbstate_t > &  )

private

Friends And Related Function Documentation

_Locale_impl

friend class _Locale_impl

friend

Definition at line 385 of file _codecvt.h.

Member Data Documentation

_M_codecvt

_Locale_codecvt* codecvt_byname< wchar_t, char, mbstate_t >::_M_codecvt

private

Definition at line 430 of file _codecvt.h.

---

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

• sdk/include/c++/stlport/stl/_codecvt.h
• sdk/lib/3rdparty/stlport/src/facets_byname.cpp