/* * 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 #include #include #include "c_locale.h" #include "aligned_buffer.h" #include "acquire_release.h" #include "locale_impl.h" _STLP_BEGIN_NAMESPACE static const string _Nameless("*"); static inline bool is_C_locale_name (const char* name) { return ((name[0] == 'C') && (name[1] == 0)); } locale::facet * _STLP_CALL _get_facet(locale::facet *f) { if (f != 0) f->_M_incr(); return f; } void _STLP_CALL _release_facet(locale::facet *&f) { if ((f != 0) && (f->_M_decr() == 0)) { delete f; f = 0; } } size_t locale::id::_S_max = 27; static void _Stl_loc_assign_ids(); static _Stl_aligned_buffer<_Locale_impl::Init> __Loc_init_buf; _Locale_impl::Init::Init() { if (_M_count()._M_incr() == 1) { _Locale_impl::_S_initialize(); } } _Locale_impl::Init::~Init() { if (_M_count()._M_decr() == 0) { _Locale_impl::_S_uninitialize(); } } _Refcount_Base& _Locale_impl::Init::_M_count() const { static _Refcount_Base _S_count(0); return _S_count; } _Locale_impl::_Locale_impl(const char* s) : _Refcount_Base(0), name(s), facets_vec() { facets_vec.reserve( locale::id::_S_max ); new (&__Loc_init_buf) Init(); } _Locale_impl::_Locale_impl( _Locale_impl const& locimpl ) : _Refcount_Base(0), name(locimpl.name), facets_vec() { for_each( locimpl.facets_vec.begin(), locimpl.facets_vec.end(), _get_facet); facets_vec = locimpl.facets_vec; new (&__Loc_init_buf) Init(); } _Locale_impl::_Locale_impl( size_t n, const char* s) : _Refcount_Base(0), name(s), facets_vec(n, 0) { new (&__Loc_init_buf) Init(); } _Locale_impl::~_Locale_impl() { (&__Loc_init_buf)->~Init(); for_each( facets_vec.begin(), facets_vec.end(), _release_facet); } // Initialization of the locale system. This must be called before // any locales are constructed. (Meaning that it must be called when // the I/O library itself is initialized.) void _STLP_CALL _Locale_impl::_S_initialize() { _Stl_loc_assign_ids(); make_classic_locale(); } // Release of the classic locale ressources. Has to be called after the last // locale destruction and not only after the classic locale destruction as // the facets can be shared between different facets. void _STLP_CALL _Locale_impl::_S_uninitialize() { //Not necessary anymore as classic facets are now 'normal' dynamically allocated //facets with a reference counter telling to _release_facet when the facet can be //deleted. //free_classic_locale(); } // _Locale_impl non-inline member functions. void _STLP_CALL _Locale_impl::_M_throw_bad_cast() { _STLP_THROW(bad_cast()); } void _Locale_impl::insert(_Locale_impl *from, const locale::id& n) { if (n._M_index > 0 && n._M_index < from->size()) { this->insert(from->facets_vec[n._M_index], n); } } locale::facet* _Locale_impl::insert(locale::facet *f, const locale::id& n) { if (f == 0 || n._M_index == 0) return 0; if (n._M_index >= facets_vec.size()) { facets_vec.resize(n._M_index + 1); } if (f != facets_vec[n._M_index]) { _release_facet(facets_vec[n._M_index]); facets_vec[n._M_index] = _get_facet(f); } return f; } // // content which is dependent on the name // /* Six functions, one for each category. Each of them takes a * a name, constructs that appropriate category facets by name, * and inserts them into the locale. */ _Locale_name_hint* _Locale_impl::insert_ctype_facets(const char* &name, char *buf, _Locale_name_hint* hint) { if (name[0] == 0) name = _Locale_ctype_default(buf); if (name == 0 || name[0] == 0 || is_C_locale_name(name)) { _Locale_impl* i2 = locale::classic()._M_impl; this->insert(i2, ctype::id); this->insert(i2, codecvt::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, ctype::id); this->insert(i2, codecvt::id); #endif } else { locale::facet* ct = 0; locale::facet* cvt = 0; #ifndef _STLP_NO_WCHAR_T locale::facet* wct = 0; locale::facet* wcvt = 0; #endif int __err_code; _Locale_ctype *__lct = _STLP_PRIV __acquire_ctype(name, buf, hint, &__err_code); if (!__lct) { locale::_M_throw_on_creation_failure(__err_code, name, "ctype"); return hint; } if (hint == 0) hint = _Locale_get_ctype_hint(__lct); _STLP_TRY { ct = new ctype_byname(__lct); } _STLP_UNWIND(_STLP_PRIV __release_ctype(__lct)); _STLP_TRY { cvt = new codecvt_byname(name); } _STLP_UNWIND(delete ct); #ifndef _STLP_NO_WCHAR_T _STLP_TRY { _Locale_ctype *__lwct = _STLP_PRIV __acquire_ctype(name, buf, hint, &__err_code); if (!__lwct) { locale::_M_throw_on_creation_failure(__err_code, name, "ctype"); return hint; } _STLP_TRY { wct = new ctype_byname(__lwct); } _STLP_UNWIND(_STLP_PRIV __release_ctype(__lwct)); _Locale_codecvt *__lwcvt = _STLP_PRIV __acquire_codecvt(name, buf, hint, &__err_code); if (__lwcvt) { _STLP_TRY { wcvt = new codecvt_byname(__lwcvt); } _STLP_UNWIND(_STLP_PRIV __release_codecvt(__lwcvt); delete wct); } } _STLP_UNWIND(delete cvt; delete ct); #endif this->insert(ct, ctype::id); this->insert(cvt, codecvt::id); #ifndef _STLP_NO_WCHAR_T this->insert(wct, ctype::id); if (wcvt) this->insert(wcvt, codecvt::id); #endif } return hint; } _Locale_name_hint* _Locale_impl::insert_numeric_facets(const char* &name, char *buf, _Locale_name_hint* hint) { if (name[0] == 0) name = _Locale_numeric_default(buf); _Locale_impl* i2 = locale::classic()._M_impl; // We first insert name independant facets taken from the classic locale instance: this->insert(i2, num_put > >::id); this->insert(i2, num_get > >::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, num_get > >::id); this->insert(i2, num_put > >::id); #endif if (name == 0 || name[0] == 0 || is_C_locale_name(name)) { this->insert(i2, numpunct::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, numpunct::id); #endif } else { locale::facet* punct = 0; #ifndef _STLP_NO_WCHAR_T locale::facet* wpunct = 0; #endif int __err_code; _Locale_numeric *__lpunct = _STLP_PRIV __acquire_numeric(name, buf, hint, &__err_code); if (!__lpunct) { locale::_M_throw_on_creation_failure(__err_code, name, "numpunct"); return hint; } if (hint == 0) hint = _Locale_get_numeric_hint(__lpunct); _STLP_TRY { punct = new numpunct_byname(__lpunct); } _STLP_UNWIND(_STLP_PRIV __release_numeric(__lpunct)); #ifndef _STLP_NO_WCHAR_T _Locale_numeric *__lwpunct = _STLP_PRIV __acquire_numeric(name, buf, hint, &__err_code); if (!__lwpunct) { delete punct; locale::_M_throw_on_creation_failure(__err_code, name, "numpunct"); return hint; } if (__lwpunct) { _STLP_TRY { wpunct = new numpunct_byname(__lwpunct); } _STLP_UNWIND(_STLP_PRIV __release_numeric(__lwpunct); delete punct); } #endif this->insert(punct, numpunct::id); #ifndef _STLP_NO_WCHAR_T this->insert(wpunct, numpunct::id); #endif } return hint; } _Locale_name_hint* _Locale_impl::insert_time_facets(const char* &name, char *buf, _Locale_name_hint* hint) { if (name[0] == 0) name = _Locale_time_default(buf); if (name == 0 || name[0] == 0 || is_C_locale_name(name)) { _Locale_impl* i2 = locale::classic()._M_impl; this->insert(i2, time_get > >::id); this->insert(i2, time_put > >::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, time_get > >::id); this->insert(i2, time_put > >::id); #endif } else { locale::facet *get = 0; locale::facet *put = 0; #ifndef _STLP_NO_WCHAR_T locale::facet *wget = 0; locale::facet *wput = 0; #endif int __err_code; _Locale_time *__time = _STLP_PRIV __acquire_time(name, buf, hint, &__err_code); if (!__time) { // time facets category is not mandatory for correct stream behavior so if platform // do not support it we do not generate a runtime_error exception. if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } return hint; } if (!hint) hint = _Locale_get_time_hint(__time); _STLP_TRY { get = new time_get_byname > >(__time); put = new time_put_byname > >(__time); #ifndef _STLP_NO_WCHAR_T wget = new time_get_byname > >(__time); wput = new time_put_byname > >(__time); #endif } #ifndef _STLP_NO_WCHAR_T _STLP_UNWIND(delete wget; delete put; delete get; _STLP_PRIV __release_time(__time)); #else _STLP_UNWIND(delete get; _STLP_PRIV __release_time(__time)); #endif _STLP_PRIV __release_time(__time); this->insert(get, time_get > >::id); this->insert(put, time_put > >::id); #ifndef _STLP_NO_WCHAR_T this->insert(wget, time_get > >::id); this->insert(wput, time_put > >::id); #endif } return hint; } _Locale_name_hint* _Locale_impl::insert_collate_facets(const char* &name, char *buf, _Locale_name_hint* hint) { if (name[0] == 0) name = _Locale_collate_default(buf); if (name == 0 || name[0] == 0 || is_C_locale_name(name)) { _Locale_impl* i2 = locale::classic()._M_impl; this->insert(i2, collate::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, collate::id); #endif } else { locale::facet *col = 0; #ifndef _STLP_NO_WCHAR_T locale::facet *wcol = 0; #endif int __err_code; _Locale_collate *__coll = _STLP_PRIV __acquire_collate(name, buf, hint, &__err_code); if (!__coll) { if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } return hint; } if (hint == 0) hint = _Locale_get_collate_hint(__coll); _STLP_TRY { col = new collate_byname(__coll); } _STLP_UNWIND(_STLP_PRIV __release_collate(__coll)); #ifndef _STLP_NO_WCHAR_T _Locale_collate *__wcoll = _STLP_PRIV __acquire_collate(name, buf, hint, &__err_code); if (!__wcoll) { if (__err_code == _STLP_LOC_NO_MEMORY) { delete col; _STLP_THROW_BAD_ALLOC; } } if (__wcoll) { _STLP_TRY { wcol = new collate_byname(__wcoll); } _STLP_UNWIND(_STLP_PRIV __release_collate(__wcoll); delete col); } #endif this->insert(col, collate::id); #ifndef _STLP_NO_WCHAR_T if (wcol) this->insert(wcol, collate::id); #endif } return hint; } _Locale_name_hint* _Locale_impl::insert_monetary_facets(const char* &name, char *buf, _Locale_name_hint* hint) { if (name[0] == 0) name = _Locale_monetary_default(buf); _Locale_impl* i2 = locale::classic()._M_impl; // We first insert name independant facets taken from the classic locale instance: this->insert(i2, money_get > >::id); this->insert(i2, money_put > >::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, money_get > >::id); this->insert(i2, money_put > >::id); #endif if (name == 0 || name[0] == 0 || is_C_locale_name(name)) { this->insert(i2, moneypunct::id); this->insert(i2, moneypunct::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, moneypunct::id); this->insert(i2, moneypunct::id); #endif } else { locale::facet *punct = 0; locale::facet *ipunct = 0; #ifndef _STLP_NO_WCHAR_T locale::facet* wpunct = 0; locale::facet* wipunct = 0; #endif int __err_code; _Locale_monetary *__mon = _STLP_PRIV __acquire_monetary(name, buf, hint, &__err_code); if (!__mon) { if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } return hint; } if (hint == 0) hint = _Locale_get_monetary_hint(__mon); _STLP_TRY { punct = new moneypunct_byname(__mon); } _STLP_UNWIND(_STLP_PRIV __release_monetary(__mon)); _Locale_monetary *__imon = _STLP_PRIV __acquire_monetary(name, buf, hint, &__err_code); if (!__imon) { delete punct; if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } return hint; } _STLP_TRY { ipunct = new moneypunct_byname(__imon); } _STLP_UNWIND(_STLP_PRIV __release_monetary(__imon); delete punct); #ifndef _STLP_NO_WCHAR_T _STLP_TRY { _Locale_monetary *__wmon = _STLP_PRIV __acquire_monetary(name, buf, hint, &__err_code); if (!__wmon) { if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } } if (__wmon) { _STLP_TRY { wpunct = new moneypunct_byname(__wmon); } _STLP_UNWIND(_STLP_PRIV __release_monetary(__wmon)); _Locale_monetary *__wimon = _STLP_PRIV __acquire_monetary(name, buf, hint, &__err_code); if (!__wimon) { delete wpunct; if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } wpunct = 0; } else { _STLP_TRY { wipunct = new moneypunct_byname(__wimon); } _STLP_UNWIND(_STLP_PRIV __release_monetary(__wimon); delete wpunct); } } } _STLP_UNWIND(delete ipunct; delete punct); #endif this->insert(punct, moneypunct::id); this->insert(ipunct, moneypunct::id); #ifndef _STLP_NO_WCHAR_T if (wpunct) this->insert(wpunct, moneypunct::id); if (wipunct) this->insert(wipunct, moneypunct::id); #endif } return hint; } _Locale_name_hint* _Locale_impl::insert_messages_facets(const char* &name, char *buf, _Locale_name_hint* hint) { if (name[0] == 0) name = _Locale_messages_default(buf); if (name == 0 || name[0] == 0 || is_C_locale_name(name)) { _Locale_impl* i2 = locale::classic()._M_impl; this->insert(i2, messages::id); #ifndef _STLP_NO_WCHAR_T this->insert(i2, messages::id); #endif } else { locale::facet *msg = 0; #ifndef _STLP_NO_WCHAR_T locale::facet *wmsg = 0; #endif int __err_code; _Locale_messages *__msg = _STLP_PRIV __acquire_messages(name, buf, hint, &__err_code); if (!__msg) { if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } return hint; } _STLP_TRY { msg = new messages_byname(__msg); } _STLP_UNWIND(_STLP_PRIV __release_messages(__msg)); #ifndef _STLP_NO_WCHAR_T _STLP_TRY { _Locale_messages *__wmsg = _STLP_PRIV __acquire_messages(name, buf, hint, &__err_code); if (!__wmsg) { if (__err_code == _STLP_LOC_NO_MEMORY) { _STLP_THROW_BAD_ALLOC; } } if (__wmsg) { _STLP_TRY { wmsg = new messages_byname(__wmsg); } _STLP_UNWIND(_STLP_PRIV __release_messages(__wmsg)); } } _STLP_UNWIND(delete msg); #endif this->insert(msg, messages::id); #ifndef _STLP_NO_WCHAR_T if (wmsg) this->insert(wmsg, messages::id); #endif } return hint; } static void _Stl_loc_assign_ids() { // This assigns ids to every facet that is a member of a category, // and also to money_get/put, num_get/put, and time_get/put // instantiated using ordinary pointers as the input/output // iterators. (The default is [io]streambuf_iterator.) money_get > >::id._M_index = 8; money_put > >::id._M_index = 9; num_get > >::id._M_index = 10; num_put > >::id._M_index = 11; time_get > >::id._M_index = 12; time_put > >::id._M_index = 13; #ifndef _STLP_NO_WCHAR_T money_get > >::id._M_index = 21; money_put > >::id._M_index = 22; num_get > >::id._M_index = 23; num_put > > ::id._M_index = 24; time_get > >::id._M_index = 25; time_put > >::id._M_index = 26; #endif // locale::id::_S_max = 27; } // To access those static instance use the getter below, they guaranty // a correct initialization. static locale *_Stl_classic_locale = 0; static locale *_Stl_global_locale = 0; locale* _Stl_get_classic_locale() { static _Locale_impl::Init init; return _Stl_classic_locale; } locale* _Stl_get_global_locale() { static _Locale_impl::Init init; return _Stl_global_locale; } #if defined (_STLP_MSVC) || defined (__ICL) || defined (__ISCPP__) || defined (__DMC__) /* * The following static variable needs to be initialized before STLport * users static variable in order for him to be able to use Standard * streams in its variable initialization. * This variable is here because MSVC do not allow to change the initialization * segment in a given translation unit, iostream.cpp already contains an * initialization segment specification. */ # pragma warning (disable : 4073) # pragma init_seg(lib) #endif static ios_base::Init _IosInit; void _Locale_impl::make_classic_locale() { // This funcion will be called once: during build classic _Locale_impl // The classic locale contains every facet that belongs to a category. static _Stl_aligned_buffer<_Locale_impl> _Locale_classic_impl_buf; _Locale_impl *classic = new(&_Locale_classic_impl_buf) _Locale_impl("C"); locale::facet* classic_facets[] = { 0, new collate(1), new ctype(0, false, 1), new codecvt(1), new moneypunct(1), new moneypunct(1), new numpunct(1), new messages(1), new money_get > >(1), new money_put > >(1), new num_get > >(1), new num_put > >(1), new time_get > >(1), new time_put > >(1), #ifndef _STLP_NO_WCHAR_T new collate(1), new ctype(1), new codecvt(1), new moneypunct(1), new moneypunct(1), new numpunct(1), new messages(1), new money_get > >(1), new money_put > >(1), new num_get > >(1), new num_put > >(1), new time_get > >(1), new time_put > >(1), #endif 0 }; const size_t nb_classic_facets = sizeof(classic_facets) / sizeof(locale::facet *); classic->facets_vec.reserve(nb_classic_facets); classic->facets_vec.assign(&classic_facets[0], &classic_facets[0] + nb_classic_facets); static locale _Locale_classic(classic); _Stl_classic_locale = &_Locale_classic; static locale _Locale_global(classic); _Stl_global_locale = &_Locale_global; } // Declarations of (non-template) facets' static data members // size_t locale::id::_S_max = 27; // made before locale::id collate::id = { 1 }; locale::id ctype::id = { 2 }; locale::id codecvt::id = { 3 }; locale::id moneypunct::id = { 4 }; locale::id moneypunct::id = { 5 }; locale::id numpunct::id = { 6 } ; locale::id messages::id = { 7 }; #ifndef _STLP_NO_WCHAR_T locale::id collate::id = { 14 }; locale::id ctype::id = { 15 }; locale::id codecvt::id = { 16 }; locale::id moneypunct::id = { 17 } ; locale::id moneypunct::id = { 18 } ; locale::id numpunct::id = { 19 }; locale::id messages::id = { 20 }; #endif _STLP_DECLSPEC _Locale_impl* _STLP_CALL _get_Locale_impl(_Locale_impl *loc) { _STLP_ASSERT( loc != 0 ); loc->_M_incr(); return loc; } void _STLP_CALL _release_Locale_impl(_Locale_impl *& loc) { _STLP_ASSERT( loc != 0 ); if (loc->_M_decr() == 0) { if (*loc != *_Stl_classic_locale) delete loc; else loc->~_Locale_impl(); loc = 0; } } _STLP_DECLSPEC _Locale_impl* _STLP_CALL _copy_Nameless_Locale_impl(_Locale_impl *loc) { _STLP_ASSERT( loc != 0 ); _Locale_impl *loc_new = new _Locale_impl(*loc); loc_new->name = _Nameless; return loc_new; } /* _GetFacetId implementation have to be here in order to be in the same translation unit * as where id are initialize (in _Stl_loc_assign_ids) */ _STLP_MOVE_TO_PRIV_NAMESPACE _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_get > >*) { return money_get > >::id; } _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_put > >*) { return money_put > >::id; } #ifndef _STLP_NO_WCHAR_T _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_get > >*) { return money_get > >::id; } _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_put > >*) { return money_put > >::id; } #endif _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_get > >*) { return num_get > >::id; } #ifndef _STLP_NO_WCHAR_T _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_get > >*) { return num_get > >::id; } #endif _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_put > >*) { return num_put > >::id; } #ifndef _STLP_NO_WCHAR_T _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_put > >*) { return num_put > >::id; } #endif _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_get > >*) { return time_get > >::id; } _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_put > >*) { return time_put > >::id; } #ifndef _STLP_NO_WCHAR_T _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_get > >*) { return time_get > >::id; } _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_put > >*) { return time_put > >::id; } #endif _STLP_MOVE_TO_STD_NAMESPACE _STLP_END_NAMESPACE