/*
* Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
*
* 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.
*
*/
// WARNING: This is an internal header file, included by other C++
// standard library headers. You should not attempt to use this header
// file directly.
#ifndef _STLP_INTERNAL_CODECVT_H
#define _STLP_INTERNAL_CODECVT_H
#ifndef _STLP_C_LOCALE_H
# include <stl/c_locale.h>
#endif
#ifndef _STLP_INTERNAL_LOCALE_H
# include <stl/_locale.h>
#endif
#ifndef _STLP_INTERNAL_ALGOBASE_H
# include <stl/_algobase.h>
#endif
_STLP_BEGIN_NAMESPACE
class _STLP_CLASS_DECLSPEC codecvt_base {
public:
enum result {ok, partial, error, noconv};
};
template <class _InternT, class _ExternT, class _StateT>
class codecvt : public locale::facet, public codecvt_base {
public:
typedef _InternT intern_type;
typedef _ExternT extern_type;
typedef _StateT state_type;
#if defined (_STLP_MSVC) && (_STLP_MSVC < 1300)
/* For the moment VC6 do not support this facet default implementation
* because of the static locale::id instance. When VC6 see this definition
* it goes crasy with locale::id static instances and all the has_facet tests
* unit tests are failing.
*/
};
#else
explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
result 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 {
return do_out(__state,
__from, __from_end, __from_next,
__to, __to_limit, __to_next);
}
result unshift(state_type& __state,
extern_type* __to,
extern_type* __to_limit,
extern_type*& __to_next) const {
return do_unshift(__state, __to, __to_limit, __to_next);
}
result 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 {
return do_in(__state,
__from, __from_end, __from_next,
__to, __to_limit, __to_next);
}
int encoding() const _STLP_NOTHROW { return do_encoding(); }
bool always_noconv() const _STLP_NOTHROW { return do_always_noconv(); }
int length(const state_type& __state,
const extern_type* __from,
const extern_type* __end,
size_t __max) const {
return do_length(__state, __from, __end, __max);
}
int max_length() const _STLP_NOTHROW { return do_max_length(); }
#if defined(__SYMBIAN32__WSD__)
static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
#elif defined (__SYMBIAN32__NO_STATIC_IMPORTS__)
static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
static locale::id id;
#else
// NOTE: Symbian doesn't support exporting static data.
// Users of this class should use GetFacetLocaleId() to access the data member id
static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
#endif
protected:
~codecvt() {}
virtual result do_out(state_type&,
const intern_type* __from,
const intern_type*,
const intern_type*& __from_next,
extern_type* __to,
extern_type*,
extern_type*& __to_next) const
{ __from_next = __from; __to_next = __to; return noconv; }
virtual result do_in (state_type&,
const extern_type* __from,
const extern_type*,
const extern_type*& __from_next,
intern_type* __to,
intern_type*,
intern_type*& __to_next) const
{ __from_next = __from; __to_next = __to; return noconv; }
virtual result do_unshift(state_type&,
extern_type* __to,
extern_type*,
extern_type*& __to_next) const
{ __to_next = __to; return noconv; }
virtual int do_encoding() const _STLP_NOTHROW
{ return 1; }
virtual bool do_always_noconv() const _STLP_NOTHROW
{ return true; }
virtual int do_length(const state_type&,
const extern_type* __from,
const extern_type* __end,
size_t __max) const
{ return (int)(min) ( __STATIC_CAST(size_t, (__end - __from)), __max); }
virtual int do_max_length() const _STLP_NOTHROW
{ return 1; }
private:
codecvt(const codecvt<intern_type, extern_type, state_type>&);
codecvt<intern_type, extern_type, state_type>& operator = (const codecvt<intern_type, extern_type, state_type>&);
};
# if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) && !defined (_STLP_LINK_TIME_INSTANTIATION)
# if (_STLP_STATIC_TEMPLATE_DATA > 0)
# if !defined (__BORLANDC__) && !defined(__SYMBIAN32__WSD__)
template <class _InternT, class _ExternT, class _StateT>
locale::id codecvt<_InternT, _ExternT, _StateT>::id;
# endif
# endif
# endif
#endif
template <class _InternT, class _ExternT, class _StateT>
class codecvt_byname : public codecvt<_InternT, _ExternT, _StateT> {};
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC codecvt<char, char, mbstate_t>
: public locale::facet, public codecvt_base
{
friend class _Locale_impl;
public:
typedef char intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
result out(mbstate_t& __state,
const char* __from,
const char* __from_end,
const char*& __from_next,
char* __to,
char* __to_limit,
char*& __to_next) const {
return do_out(__state,
__from, __from_end, __from_next,
__to, __to_limit, __to_next);
}
result unshift(mbstate_t& __state,
char* __to, char* __to_limit, char*& __to_next) const
{ return do_unshift(__state, __to, __to_limit, __to_next); }
result in(state_type& __state,
const char* __from,
const char* __from_end,
const char*& __from_next,
char* __to,
char* __to_limit,
char*& __to_next) const {
return do_in(__state,
__from, __from_end, __from_next,
__to, __to_limit, __to_next);
}
int encoding() const _STLP_NOTHROW { return do_encoding(); }
bool always_noconv() const _STLP_NOTHROW { return do_always_noconv(); }
int length(const state_type& __state,
const char* __from, const char* __end,
size_t __max) const
{ return do_length(__state, __from, __end, __max); }
int max_length() const _STLP_NOTHROW { return do_max_length(); }
#if defined(__SYMBIAN32__WSD__)
static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
#elif defined (__SYMBIAN32__NO_STATIC_IMPORTS__)
static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
static locale::id id;
#else
// NOTE: Symbian doesn't support exporting static data.
// Users of this class should use GetFacetLocaleId() to access the data member id
static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
#endif
protected:
_STLP_DECLSPEC ~codecvt();
_STLP_DECLSPEC virtual result do_out(mbstate_t& /* __state */,
const char* __from,
const char* /* __from_end */,
const char*& __from_next,
char* __to,
char* /* __to_limit */,
char*& __to_next) const;
_STLP_DECLSPEC virtual result do_in (mbstate_t& /* __state */ ,
const char* __from,
const char* /* __from_end */,
const char*& __from_next,
char* __to,
char* /* __to_end */,
char*& __to_next) const;
_STLP_DECLSPEC virtual result do_unshift(mbstate_t& /* __state */,
char* __to,
char* /* __to_limit */,
char*& __to_next) const;
_STLP_DECLSPEC virtual int do_encoding() const _STLP_NOTHROW;
_STLP_DECLSPEC virtual bool do_always_noconv() const _STLP_NOTHROW;
_STLP_DECLSPEC virtual int do_length(const mbstate_t& __state,
const char* __from,
const char* __end,
size_t __max) const;
_STLP_DECLSPEC virtual int do_max_length() const _STLP_NOTHROW;
private:
codecvt(const codecvt<char, char, mbstate_t>&);
codecvt<char, char, mbstate_t>& operator =(const codecvt<char, char, mbstate_t>&);
};
# ifndef _STLP_NO_WCHAR_T
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC codecvt<wchar_t, char, mbstate_t>
: public locale::facet, public codecvt_base
{
friend class _Locale_impl;
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
result out(mbstate_t& __state,
const wchar_t* __from,
const wchar_t* __from_end,
const wchar_t*& __from_next,
char* __to,
char* __to_limit,
char*& __to_next) const {
return do_out(__state,
__from, __from_end, __from_next,
__to, __to_limit, __to_next);
}
result unshift(mbstate_t& __state,
char* __to, char* __to_limit, char*& __to_next) const {
return do_unshift(__state, __to, __to_limit, __to_next);
}
result in(mbstate_t& __state,
const char* __from,
const char* __from_end,
const char*& __from_next,
wchar_t* __to,
wchar_t* __to_limit,
wchar_t*& __to_next) const {
return do_in(__state,
__from, __from_end, __from_next,
__to, __to_limit, __to_next);
}
int encoding() const _STLP_NOTHROW { return do_encoding(); }
bool always_noconv() const _STLP_NOTHROW { return do_always_noconv(); }
int length(const mbstate_t& __state,
const char* __from, const char* __end,
size_t __max) const
{ return do_length(__state, __from, __end, __max); }
int max_length() const _STLP_NOTHROW { return do_max_length(); }
#if defined(__SYMBIAN32__WSD__)
static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
#elif defined (__SYMBIAN32__NO_STATIC_IMPORTS__)
static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
static locale::id id;
#else
// NOTE: Symbian doesn't support exporting static data.
// Users of this class should use GetFacetLocaleId() to access the data member id
static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
#endif
protected:
_STLP_DECLSPEC ~codecvt();
_STLP_DECLSPEC virtual result do_out(mbstate_t& __state,
const wchar_t* __from,
const wchar_t* __from_end,
const wchar_t*& __from_next,
char* __to,
char* __to_limit,
char*& __to_next) const;
_STLP_DECLSPEC virtual result do_in (mbstate_t& __state,
const char* __from,
const char* __from_end,
const char*& __from_next,
wchar_t* __to,
wchar_t* __to_limit,
wchar_t*& __to_next) const;
_STLP_DECLSPEC virtual result do_unshift(mbstate_t& __state,
char* __to,
char* __to_limit,
char*& __to_next) const;
_STLP_DECLSPEC virtual int do_encoding() const _STLP_NOTHROW;
_STLP_DECLSPEC virtual bool do_always_noconv() const _STLP_NOTHROW;
_STLP_DECLSPEC virtual int do_length(const mbstate_t& __state,
const char* __from,
const char* __end,
size_t __max) const;
_STLP_DECLSPEC virtual int do_max_length() const _STLP_NOTHROW;
private:
codecvt(const codecvt<wchar_t, char, mbstate_t>&);
codecvt<wchar_t, char, mbstate_t>& operator = (const codecvt<wchar_t, char, mbstate_t>&);
};
# endif
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC codecvt_byname<char, char, mbstate_t>
: public codecvt<char, char, mbstate_t> {
public:
_STLP_DECLSPEC explicit codecvt_byname(const char* __name, size_t __refs = 0);
_STLP_DECLSPEC ~codecvt_byname();
private:
codecvt_byname(const codecvt_byname<char, char, mbstate_t>&);
codecvt_byname<char, char, mbstate_t>& operator =(const codecvt_byname<char, char, mbstate_t>&);
};
# ifndef _STLP_NO_WCHAR_T
_STLP_TEMPLATE_NULL
class _STLP_CLASS_DECLSPEC codecvt_byname<wchar_t, char, mbstate_t>
: public codecvt<wchar_t, char, mbstate_t>
{
public:
_STLP_DECLSPEC explicit codecvt_byname(const char * __name, size_t __refs = 0, _Locale_name_hint* __hint = 0);
protected:
_STLP_DECLSPEC ~codecvt_byname();
_STLP_DECLSPEC virtual result do_out(mbstate_t& __state,
const wchar_t* __from,
const wchar_t* __from_end,
const wchar_t*& __from_next,
char* __to,
char* __to_limit,
char*& __to_next) const;
_STLP_DECLSPEC virtual result do_in (mbstate_t& __state,
const char* __from,
const char* __from_end,
const char*& __from_next,
wchar_t* __to,
wchar_t* __to_limit,
wchar_t*& __to_next) const;
_STLP_DECLSPEC virtual result do_unshift(mbstate_t& __state,
char* __to,
char* __to_limit,
char*& __to_next) const;
_STLP_DECLSPEC virtual int do_encoding() const _STLP_NOTHROW;
_STLP_DECLSPEC virtual bool do_always_noconv() const _STLP_NOTHROW;
_STLP_DECLSPEC virtual int do_length(const mbstate_t& __state,
const char* __from,
const char* __end,
size_t __max) const;
_STLP_DECLSPEC virtual int do_max_length() const _STLP_NOTHROW;
private:
_Locale_ctype* _M_ctype;
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>&);
};
# endif
_STLP_END_NAMESPACE
#endif /* _STLP_INTERNAL_CODECVT_H */
// Local Variables:
// mode:C++
// End: