williamr@2: /*
williamr@2:  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
williamr@2:  *
williamr@2:  * Copyright (c) 1999
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@2:  * Copyright (c) 1999 
williamr@2:  * Boris Fomitchev
williamr@2:  *
williamr@2:  * This material is provided "as is", with absolutely no warranty expressed
williamr@2:  * or implied. Any use is at your own risk.
williamr@2:  *
williamr@2:  * Permission to use or copy this software for any purpose is hereby granted 
williamr@2:  * without fee, provided the above notices are retained on all copies.
williamr@2:  * Permission to modify the code and to distribute modified code is granted,
williamr@2:  * provided the above notices are retained, and a notice that the code was
williamr@2:  * modified is included with the above copyright notice.
williamr@2:  *
williamr@2:  */ 
williamr@2: // WARNING: This is an internal header file, included by other C++
williamr@2: // standard library headers.  You should not attempt to use this header
williamr@2: // file directly.
williamr@2: 
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_CODECVT_H
williamr@2: #define _STLP_INTERNAL_CODECVT_H
williamr@2: 
williamr@2: # ifndef _STLP_C_LOCALE_H
williamr@2: #  include <stl/c_locale.h>
williamr@2: # endif
williamr@2: # ifndef _STLP_INTERNAL_LOCALE_H
williamr@2: #  include <stl/_locale.h>
williamr@2: # endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@2: class _STLP_CLASS_DECLSPEC codecvt_base {
williamr@2: public:
williamr@2:   enum result {ok, partial, error, noconv};
williamr@2: };
williamr@2: 
williamr@2: template <class _InternT, class _ExternT, class _StateT>
williamr@2: class codecvt : public locale::facet, public codecvt_base {
williamr@2:   typedef _InternT intern_type;
williamr@2:   typedef _ExternT extern_type;
williamr@2:   typedef _StateT state_type;
williamr@2: };
williamr@2:  
williamr@2: template <class _InternT, class _ExternT, class _StateT>
williamr@2: class codecvt_byname : public codecvt<_InternT, _ExternT, _StateT> {};
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: #ifdef __SYMBIAN32__
williamr@2: class codecvt<char, char, mbstate_t> : public locale::facet, public codecvt_base
williamr@2: #else
williamr@2: class _STLP_CLASS_DECLSPEC codecvt<char, char, mbstate_t> : public locale::facet, public codecvt_base
williamr@2: #endif
williamr@2: {
williamr@2:   friend class _Locale;
williamr@2: public:
williamr@2:   typedef char       intern_type;
williamr@2:   typedef char       extern_type;
williamr@2:   typedef mbstate_t  state_type;
williamr@2: 
williamr@2:   explicit codecvt(size_t __refs = 0) : _BaseFacet(__refs) {}
williamr@2: 
williamr@2:   result out(state_type&  __state,
williamr@2:              const char*  __from,
williamr@2:              const char*  __from_end,
williamr@2:              const char*& __from_next,
williamr@2:              char*        __to,
williamr@2:              char*        __to_limit, 
williamr@2:              char*&       __to_next) const {
williamr@2:     return do_out(__state, 
williamr@2:                   __from, __from_end, __from_next,
williamr@2:                   __to,   __to_limit, __to_next);
williamr@2:   }
williamr@2: 
williamr@2:   result unshift(mbstate_t& __state,
williamr@2:                  char* __to, char* __to_limit, char*& __to_next) const
williamr@2:     { return do_unshift(__state, __to, __to_limit, __to_next); }
williamr@2:     
williamr@2:   result in(state_type&   __state,
williamr@2:             const char*  __from,
williamr@2:             const char*  __from_end,  
williamr@2:             const char*& __from_next,
williamr@2:             char*        __to, 
williamr@2:             char*        __to_limit, 
williamr@2:             char*&       __to_next) const {
williamr@2:     return do_in(__state,
williamr@2:                  __from, __from_end, __from_next,
williamr@2:                  __to,   __to_limit, __to_next);
williamr@2:   }
williamr@2: 
williamr@2:   int encoding() const _STLP_NOTHROW { return do_encoding(); }
williamr@2: 
williamr@2:   bool always_noconv() const _STLP_NOTHROW { return do_always_noconv(); }
williamr@2: 
williamr@2:   int length(const state_type& __state,
williamr@2:              const char* __from, const char* __end,
williamr@2:              size_t __max) const
williamr@2:     { return do_length(__state, __from, __end, __max); }
williamr@2:   
williamr@2:   int max_length() const _STLP_NOTHROW { return do_max_length(); }
williamr@2: 
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId();
williamr@2: #else
williamr@2:   _STLP_STATIC_MEMBER_DECLSPEC static locale::id id;
williamr@2: #endif
williamr@2: 
williamr@2: protected:
williamr@2: _STLP_DECLSPEC  ~codecvt();
williamr@2: 
williamr@2:   _STLP_DECLSPEC virtual result do_out(mbstate_t&   /* __state */,
williamr@2:                         const char*  __from,
williamr@2:                         const char*  /* __from_end */,
williamr@2:                         const char*& __from_next,
williamr@2:                         char*        __to,
williamr@2:                         char*        /* __to_limit */,
williamr@2:                         char*&       __to_next) const;
williamr@2: 
williamr@2:     _STLP_DECLSPEC virtual result do_in (mbstate_t&   /* __state */ , 
williamr@2:                         const char*  __from,
williamr@2:                         const char*  /* __from_end */,
williamr@2:                         const char*& __from_next,
williamr@2:                         char*        __to,
williamr@2:                         char*        /* __to_end */,
williamr@2:                         char*&       __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual result do_unshift(mbstate_t& /* __state */,
williamr@2:                             char*      __to,
williamr@2:                             char*      /* __to_limit */,
williamr@2:                             char*&     __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual int do_encoding() const _STLP_NOTHROW;
williamr@2:   _STLP_DECLSPEC   virtual bool do_always_noconv() const _STLP_NOTHROW;
williamr@2:   _STLP_DECLSPEC   virtual int do_length(const mbstate_t&         __state,
williamr@2:                         const  char* __from, 
williamr@2:                         const  char* __end,
williamr@2:                         size_t __max) const;
williamr@2:   _STLP_DECLSPEC   virtual int do_max_length() const _STLP_NOTHROW;
williamr@2: private:
williamr@2:   codecvt(const codecvt<char, char, mbstate_t>&);
williamr@2:   codecvt<char, char, mbstate_t>& operator =(const codecvt<char, char, mbstate_t>&); 
williamr@2: };
williamr@2: 
williamr@2: # ifndef _STLP_NO_WCHAR_T
williamr@2:  
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2: class codecvt<wchar_t, char, mbstate_t>  : public locale::facet, public codecvt_base
williamr@2: #else
williamr@2: class _STLP_CLASS_DECLSPEC codecvt<wchar_t, char, mbstate_t>  : public locale::facet, public codecvt_base
williamr@2: #endif
williamr@2: {
williamr@2:   friend class _Locale;
williamr@2: public:
williamr@2:   typedef wchar_t    intern_type;
williamr@2:   typedef char       extern_type;
williamr@2:   typedef mbstate_t  state_type;
williamr@2: 
williamr@2:   explicit codecvt(size_t __refs = 0) : _BaseFacet(__refs) {}
williamr@2: 
williamr@2:   result out(mbstate_t&       __state,
williamr@2:              const wchar_t*  __from,
williamr@2:              const wchar_t*  __from_end,
williamr@2:              const wchar_t*& __from_next,
williamr@2:              char*           __to,
williamr@2:              char*           __to_limit,
williamr@2:              char*&          __to_next) const {
williamr@2:     return do_out(__state,
williamr@2:                   __from, __from_end, __from_next, 
williamr@2:                   __to,   __to_limit, __to_next);
williamr@2:   }
williamr@2: 
williamr@2:   result unshift(mbstate_t& __state,
williamr@2:                  char*  __to, char*  __to_limit, char*& __to_next) const {
williamr@2:     return do_unshift(__state, __to, __to_limit, __to_next);
williamr@2:   }
williamr@2:     
williamr@2:   result in(mbstate_t&    __state,
williamr@2:             const char*  __from,
williamr@2:             const char*  __from_end,  
williamr@2:             const char*& __from_next,
williamr@2:             wchar_t*     __to, 
williamr@2:             wchar_t*     __to_limit, 
williamr@2:             wchar_t*&    __to_next) const {
williamr@2:     return do_in(__state, 
williamr@2:                  __from, __from_end, __from_next,
williamr@2:                  __to,  __to_limit, __to_next);
williamr@2:   }
williamr@2: 
williamr@2:   int encoding() const _STLP_NOTHROW { return do_encoding(); }
williamr@2: 
williamr@2:   bool always_noconv() const _STLP_NOTHROW { return do_always_noconv(); }
williamr@2: 
williamr@2:   int length(const mbstate_t&        __state,
williamr@2:              const char* __from,
williamr@2:              const char* __end,
williamr@2:              size_t             __max) const
williamr@2:     { return do_length(__state, __from, __end, __max); }
williamr@2:   
williamr@2:   int max_length() const _STLP_NOTHROW { return do_max_length(); }
williamr@2: 
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2: 	_STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId();
williamr@2: #else
williamr@2:   	_STLP_STATIC_MEMBER_DECLSPEC static locale::id id;
williamr@2: #endif
williamr@2: 
williamr@2: protected:
williamr@2:     _STLP_DECLSPEC  ~codecvt();
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual result do_out(mbstate_t&         __state,
williamr@2:                         const wchar_t*  __from,
williamr@2:                         const wchar_t*  __from_end,
williamr@2:                         const wchar_t*& __from_next,
williamr@2:                         char*        __to,
williamr@2:                         char*        __to_limit,
williamr@2:                         char*&       __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual result do_in (mbstate_t&         __state,
williamr@2:                         const char*  __from,
williamr@2:                         const char*  __from_end,
williamr@2:                         const char*& __from_next,
williamr@2:                         wchar_t*        __to,
williamr@2:                         wchar_t*        __to_limit,
williamr@2:                         wchar_t*&       __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual result do_unshift(mbstate_t&   __state,
williamr@2:                             char*  __to, 
williamr@2:                             char*  __to_limit,
williamr@2:                             char*& __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual int do_encoding() const _STLP_NOTHROW;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual bool do_always_noconv() const _STLP_NOTHROW;
williamr@2:   
williamr@2:   _STLP_DECLSPEC   virtual int do_length(const mbstate_t& __state,
williamr@2:                         const  char* __from, 
williamr@2:                         const  char* __end,
williamr@2:                         size_t __max) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual int do_max_length() const _STLP_NOTHROW;
williamr@2: 
williamr@2: private:
williamr@2:   codecvt(const codecvt<wchar_t, char, mbstate_t>&);
williamr@2:   codecvt<wchar_t, char, mbstate_t>& operator = (const codecvt<wchar_t, char, mbstate_t>&);  
williamr@2: };
williamr@2: 
williamr@2: # endif
williamr@2: 
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class _STLP_CLASS_DECLSPEC codecvt_byname<char, char, mbstate_t>
williamr@2:   : public codecvt<char, char, mbstate_t> {
williamr@2: public:
williamr@2:   explicit _STLP_DECLSPEC codecvt_byname(const char* __name, size_t __refs = 0);
williamr@2:   ~codecvt_byname();
williamr@2: private:
williamr@2:   codecvt_byname(const codecvt_byname<char, char, mbstate_t>&);
williamr@2:   codecvt_byname<char, char, mbstate_t>& operator =(const codecvt_byname<char, char, mbstate_t>&);  
williamr@2: };
williamr@2: 
williamr@2: # ifndef _STLP_NO_WCHAR_T
williamr@2: _STLP_TEMPLATE_NULL
williamr@2: class codecvt_byname<wchar_t, char, mbstate_t>
williamr@2:   : public codecvt<wchar_t, char, mbstate_t> 
williamr@2: {
williamr@2: public:
williamr@2:   explicit _STLP_DECLSPEC codecvt_byname(const char * __name, size_t __refs = 0);    
williamr@2: 
williamr@2: protected:
williamr@2:     _STLP_DECLSPEC ~codecvt_byname();
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual result do_out(mbstate_t&         __state,
williamr@2:                         const wchar_t*  __from,
williamr@2:                         const wchar_t*  __from_end,
williamr@2:                         const wchar_t*& __from_next,
williamr@2:                         char*        __to,
williamr@2:                         char*        __to_limit,
williamr@2:                         char*&       __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual result do_in (mbstate_t&         __state,
williamr@2:                         const char*  __from,
williamr@2:                         const char*  __from_end,
williamr@2:                         const char*& __from_next,
williamr@2:                         wchar_t*        __to,
williamr@2:                         wchar_t*        __to_limit,
williamr@2:                         wchar_t*&       __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual result do_unshift(mbstate_t&   __state,
williamr@2:                             char*  __to, 
williamr@2:                             char*  __to_limit,
williamr@2:                             char*& __to_next) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual int do_encoding() const _STLP_NOTHROW;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual bool do_always_noconv() const _STLP_NOTHROW;
williamr@2:   
williamr@2:   _STLP_DECLSPEC   virtual int do_length(const mbstate_t&         __state,
williamr@2:                         const  char* __from, 
williamr@2:                         const  char* __end,
williamr@2:                         size_t __max) const;
williamr@2: 
williamr@2:   _STLP_DECLSPEC   virtual int do_max_length() const _STLP_NOTHROW;
williamr@2: 
williamr@2: private:
williamr@2:   _Locale_ctype* _M_ctype;
williamr@2:   codecvt_byname(const codecvt_byname<wchar_t, char, mbstate_t>&);
williamr@2:   codecvt_byname<wchar_t, char, mbstate_t>& operator =(const codecvt_byname<wchar_t, char, mbstate_t>&);  
williamr@2: };
williamr@2: 
williamr@2: # endif
williamr@2: 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@2: #endif /* _STLP_INTERNAL_CODECVT_H */
williamr@2: 
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End:
williamr@2: