| /* |
| * 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 { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| 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 { |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| 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 { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| 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(state_type& __state, |
| const extern_type* __from, |
| const extern_type* __from_end, |
| size_t __max) const { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| return do_length(__state, __from, __from_end, __max); |
| } |
| |
| int max_length() const _STLP_NOTHROW { return do_max_length(); } |
| |
| static locale::id id; |
| |
| 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(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 !defined (__BORLANDC__) || (__BORLANDC__ >= 0x590) |
| template <class _InternT, class _ExternT, class _StateT> |
| locale::id codecvt<_InternT, _ExternT, _StateT>::id; |
| # 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 { |
| 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(state_type& __state, |
| const char* __from, |
| const char* __from_end, |
| const char*& __from_next, |
| char* __to, |
| char* __to_limit, |
| char*& __to_next) const { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| return do_out(__state, |
| __from, __from_end, __from_next, |
| __to, __to_limit, __to_next); |
| } |
| |
| result unshift(state_type& __state, |
| char* __to, char* __to_limit, char*& __to_next) const { |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| 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 { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| 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(state_type& __state, |
| const char* __from, const char* __from_end, |
| size_t __max) const { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| return do_length(__state, __from, __from_end, __max); |
| } |
| |
| int max_length() const _STLP_NOTHROW { return do_max_length(); } |
| |
| static _STLP_STATIC_DECLSPEC locale::id id; |
| |
| protected: |
| ~codecvt(); |
| |
| virtual result 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; |
| |
| virtual result 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; |
| |
| 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; |
| 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 { |
| 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(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 { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| return do_out(__state, |
| __from, __from_end, __from_next, |
| __to, __to_limit, __to_next); |
| } |
| |
| result unshift(state_type& __state, |
| char* __to, char* __to_limit, char*& __to_next) const { |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| 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, |
| wchar_t* __to, |
| wchar_t* __to_limit, |
| wchar_t*& __to_next) const { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| _STLP_VERBOSE_ASSERT(__to <= __to_limit, _StlMsg_INVALID_ARGUMENT) |
| 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(state_type& __state, |
| const char* __from, const char* __from_end, |
| size_t __max) const { |
| _STLP_VERBOSE_ASSERT(__from <= __from_end, _StlMsg_INVALID_ARGUMENT) |
| return do_length(__state, __from, __from_end, __max); |
| } |
| |
| int max_length() const _STLP_NOTHROW { return do_max_length(); } |
| |
| static _STLP_STATIC_DECLSPEC locale::id id; |
| |
| protected: |
| ~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; |
| |
| 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: |
| explicit codecvt_byname(const char* __name, size_t __refs = 0); |
| ~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> { |
| friend class _Locale_impl; |
| public: |
| explicit codecvt_byname(const char * __name, size_t __refs = 0); |
| |
| protected: |
| ~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; |
| |
| private: |
| codecvt_byname(_Locale_codecvt* __cvt) |
| : _M_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>&); |
| _Locale_codecvt* _M_codecvt; |
| }; |
| |
| # endif |
| |
| _STLP_END_NAMESPACE |
| |
| #endif /* _STLP_INTERNAL_CODECVT_H */ |
| |
| // Local Variables: |
| // mode:C++ |
| // End: |
| |
