sl@0: /*
sl@0:  * Copyright (c) 1999
sl@0:  * Silicon Graphics Computer Systems, Inc.
sl@0:  *
sl@0:  * Copyright (c) 1999 
sl@0:  * Boris Fomitchev
sl@0:  *
sl@0:  * This material is provided "as is", with absolutely no warranty expressed
sl@0:  * or implied. Any use is at your own risk.
sl@0:  *
sl@0:  * Permission to use or copy this software for any purpose is hereby granted 
sl@0:  * without fee, provided the above notices are retained on all copies.
sl@0:  * Permission to modify the code and to distribute modified code is granted,
sl@0:  * provided the above notices are retained, and a notice that the code was
sl@0:  * modified is included with the above copyright notice.
sl@0:  *
sl@0:  */ 
sl@0: # include "stlport_prefix.h"
sl@0: 
sl@0: # ifndef _STLP_NO_MBSTATE_T
sl@0: 
sl@0: #include <stl/_codecvt.h>
sl@0: #include <stl/_algobase.h>
sl@0: 
sl@0: _STLP_BEGIN_NAMESPACE
sl@0: 
sl@0: //----------------------------------------------------------------------
sl@0: // codecvt<char, char, mbstate_t>
sl@0: 
sl@0: _STLP_EXP_DECLSPEC codecvt<char, char, mbstate_t>::~codecvt() {}
sl@0: 
sl@0: _STLP_EXP_DECLSPEC int codecvt<char, char, mbstate_t>::do_length(const mbstate_t&,
sl@0:                                               const  char* from, 
sl@0:                                               const  char* end,
sl@0:                                               size_t mx) const
sl@0: {
sl@0:   return (int)(min) ( __STATIC_CAST(size_t, (end - from)), mx);
sl@0: }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC int codecvt<char, char, mbstate_t>::do_max_length() const _STLP_NOTHROW
sl@0: {
sl@0:  return 1; 
sl@0: }
sl@0: 
sl@0: bool _STLP_EXP_DECLSPEC 
sl@0: codecvt<char, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
sl@0: {
sl@0:   return true;
sl@0: }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC int 
sl@0: codecvt<char, char, mbstate_t>::do_encoding() const _STLP_NOTHROW
sl@0: {
sl@0:   return 1; 
sl@0: }
sl@0: 
sl@0: 
sl@0: _STLP_EXP_DECLSPEC codecvt_base::result 
sl@0: codecvt<char, char, mbstate_t>::do_unshift(mbstate_t& /* __state */,
sl@0:                                            char*      __to,
sl@0:                                            char*      /* __to_limit */,
sl@0:                                            char*&     __to_next) const
sl@0: { __to_next = __to; return noconv; }
sl@0: 
sl@0:  _STLP_EXP_DECLSPEC codecvt_base::result 
sl@0: codecvt<char, char, mbstate_t>::do_in (mbstate_t&   /* __state */ , 
sl@0:                                        const char*  __from,
sl@0:                                        const char*  /* __from_end */,
sl@0:                                        const char*& __from_next,
sl@0:                                        char*        __to,
sl@0:                                        char*        /* __to_end */,
sl@0:                                        char*&       __to_next) const
sl@0: { __from_next = __from; __to_next   = __to; return noconv; }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC codecvt_base::result 
sl@0: codecvt<char, char, mbstate_t>::do_out(mbstate_t&   /* __state */,
sl@0:                                        const char*  __from,
sl@0:                                        const char*  /* __from_end */,
sl@0:                                        const char*& __from_next,
sl@0:                                        char*        __to,
sl@0:                                        char*        /* __to_limit */,
sl@0:                                        char*&       __to_next) const
sl@0: { __from_next = __from; __to_next   = __to; return noconv; }
sl@0: 
sl@0: 
sl@0: # ifndef _STLP_NO_WCHAR_T
sl@0: //----------------------------------------------------------------------
sl@0: // codecvt<wchar_t, char, mbstate_t>
sl@0: 
sl@0: _STLP_EXP_DECLSPEC  codecvt<wchar_t, char, mbstate_t>::~codecvt() {}
sl@0: 
sl@0: 
sl@0: _STLP_EXP_DECLSPEC codecvt<wchar_t, char, mbstate_t>::result 
sl@0: codecvt<wchar_t, char, mbstate_t>::do_out(state_type&         /* state */, 
sl@0:                                           const intern_type*  from,
sl@0:                                           const intern_type*  from_end,
sl@0:                                           const intern_type*& from_next,
sl@0:                                           extern_type*        to,
sl@0:                                           extern_type*        to_limit,
sl@0:                                           extern_type*&       to_next) const
sl@0: {
sl@0:   ptrdiff_t len = (min) (from_end - from, to_limit - to);
sl@0:   copy(from, from + len, to);
sl@0:   from_next = from + len;
sl@0:   to_next   = to   + len;
sl@0:   return ok;
sl@0: }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC codecvt<wchar_t, char, mbstate_t>::result 
sl@0: codecvt<wchar_t, char, mbstate_t>::do_in (state_type&       /* state */,
sl@0:                                           const extern_type*  from,
sl@0:                                           const extern_type*  from_end,
sl@0:                                           const extern_type*& from_next,
sl@0:                                           intern_type*        to,
sl@0:                                           intern_type*        to_limit,
sl@0:                                           intern_type*&       to_next) const
sl@0: {
sl@0:   ptrdiff_t len = (min) (from_end - from, to_limit - to);
sl@0:   copy(from, from + len, to);
sl@0:   from_next = from + len;
sl@0:   to_next   = to   + len;
sl@0:   return ok;
sl@0: }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC codecvt<wchar_t, char, mbstate_t>::result 
sl@0: codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type&   /* state */,
sl@0:                                               extern_type*  to, 
sl@0:                                               extern_type*  ,
sl@0:                                               extern_type*& to_next) const
sl@0: {
sl@0:   to_next = to;
sl@0:   return noconv;
sl@0: }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC int codecvt<wchar_t, char, mbstate_t>::do_encoding() const _STLP_NOTHROW {
sl@0:   //return 1;
sl@0:   return 0;//don't know how many char required to make wchar_t, depends on locale
sl@0: }
sl@0: 
sl@0: 
sl@0: _STLP_EXP_DECLSPEC bool codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
sl@0: {
sl@0:  // return true; //gnu bug fix
sl@0:   return false;
sl@0: }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC int codecvt<wchar_t, char, mbstate_t>::do_length(const  state_type&,
sl@0:                                                  const  extern_type* from, 
sl@0:                                                  const  extern_type* end,
sl@0:                                                  size_t mx) const 
sl@0: {
sl@0:   return (int)(min) ((size_t) (end - from), mx);
sl@0: }
sl@0: 
sl@0: _STLP_EXP_DECLSPEC int codecvt<wchar_t, char, mbstate_t>::do_max_length() const _STLP_NOTHROW {
sl@0:   return 1;
sl@0: }
sl@0: # endif /* wchar_t */
sl@0: 
sl@0: _STLP_END_NAMESPACE
sl@0: 
sl@0: # endif /* _STLP_NO_MBSTATE_T */
sl@0: 
sl@0: // Local Variables:
sl@0: // mode:C++
sl@0: // End:
sl@0: