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/*
* Copyright (c) 1999
* Silicon Graphics Computer Systems, Inc.
*
* Copyright (c) 1999
* Boris Fomitchev
*
* This material is provided "as is", with absolutely no warranty expressed
* or implied. Any use is at your own risk.
*
* Permission to use or copy this software for any purpose is hereby granted
* without fee, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*
*/
#include "stlport_prefix.h"
#include <locale>
#include <algorithm>
_STLP_BEGIN_NAMESPACE
//----------------------------------------------------------------------
// codecvt<char, char, mbstate_t>
codecvt<char, char, mbstate_t>::~codecvt() {}
int codecvt<char, char, mbstate_t>::do_length(state_type&,
const char* from,
const char* end,
size_t mx) const
{ return (int)(min) ( __STATIC_CAST(size_t, (end - from)), mx); }
int codecvt<char, char, mbstate_t>::do_max_length() const _STLP_NOTHROW
{ return 1; }
bool
codecvt<char, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
{ return true; }
int
codecvt<char, char, mbstate_t>::do_encoding() const _STLP_NOTHROW
{ return 1; }
codecvt_base::result
codecvt<char, char, mbstate_t>::do_unshift(state_type& /* __state */,
char* __to,
char* /* __to_limit */,
char*& __to_next) const
{ __to_next = __to; return noconv; }
codecvt_base::result
codecvt<char, char, mbstate_t>::do_in (state_type& /* __state */ ,
const char* __from,
const char* /* __from_end */,
const char*& __from_next,
char* __to,
char* /* __to_end */,
char*& __to_next) const
{ __from_next = __from; __to_next = __to; return noconv; }
codecvt_base::result
codecvt<char, char, mbstate_t>::do_out(state_type& /* __state */,
const char* __from,
const char* /* __from_end */,
const char*& __from_next,
char* __to,
char* /* __to_limit */,
char*& __to_next) const
{ __from_next = __from; __to_next = __to; return noconv; }
#if !defined (_STLP_NO_WCHAR_T)
//----------------------------------------------------------------------
// codecvt<wchar_t, char, mbstate_t>
codecvt<wchar_t, char, mbstate_t>::~codecvt() {}
codecvt<wchar_t, char, mbstate_t>::result
codecvt<wchar_t, char, mbstate_t>::do_out(state_type& /* state */,
const intern_type* from,
const intern_type* from_end,
const intern_type*& from_next,
extern_type* to,
extern_type* to_limit,
extern_type*& to_next) const {
ptrdiff_t len = (min) (from_end - from, to_limit - to);
copy(from, from + len, to);
from_next = from + len;
to_next = to + len;
return ok;
}
codecvt<wchar_t, char, mbstate_t>::result
codecvt<wchar_t, char, mbstate_t>::do_in (state_type& /* state */,
const extern_type* from,
const extern_type* from_end,
const extern_type*& from_next,
intern_type* to,
intern_type* to_limit,
intern_type*& to_next) const {
ptrdiff_t len = (min) (from_end - from, to_limit - to);
copy(__REINTERPRET_CAST(const unsigned char*, from),
__REINTERPRET_CAST(const unsigned char*, from) + len, to);
from_next = from + len;
to_next = to + len;
return ok;
}
codecvt<wchar_t, char, mbstate_t>::result
codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type& /* state */,
extern_type* to,
extern_type* ,
extern_type*& to_next) const {
to_next = to;
return noconv;
}
int codecvt<wchar_t, char, mbstate_t>::do_encoding() const _STLP_NOTHROW
{ return 1; }
bool codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
{ return true; }
int codecvt<wchar_t, char, mbstate_t>::do_length(state_type&,
const extern_type* from,
const extern_type* end,
size_t mx) const
{ return (int)(min) ((size_t) (end - from), mx); }
int codecvt<wchar_t, char, mbstate_t>::do_max_length() const _STLP_NOTHROW
{ return 1; }
#endif /* wchar_t */
_STLP_END_NAMESPACE
// Local Variables:
// mode:C++
// End:
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