| /* |
| * 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 <hash_map> |
| #include <string> |
| |
| #include <locale> |
| #include <istream> |
| |
| #include "c_locale.h" |
| #include "locale_impl.h" |
| #include "acquire_release.h" |
| |
| _STLP_BEGIN_NAMESPACE |
| _STLP_MOVE_TO_PRIV_NAMESPACE |
| |
| // Those wrappers are needed to use locale functions in __acquire_category, |
| // all functions have to present the same prototype. |
| |
| static void* _Loc_ctype_create(const char * s, _Locale_name_hint* hint, int *__err_code) |
| { return _Locale_ctype_create(s, hint, __err_code); } |
| static void* _Loc_codecvt_create(const char * s, _Locale_name_hint* hint, int *__err_code) |
| { return _Locale_codecvt_create(s, hint, __err_code); } |
| static void* _Loc_numeric_create(const char * s, _Locale_name_hint* hint, int *__err_code) |
| { return _Locale_numeric_create(s, hint, __err_code); } |
| static void* _Loc_time_create(const char * s, _Locale_name_hint* hint, int *__err_code) |
| { return _Locale_time_create(s, hint, __err_code); } |
| static void* _Loc_collate_create(const char * s, _Locale_name_hint* hint, int *__err_code) |
| { return _Locale_collate_create(s, hint, __err_code); } |
| static void* _Loc_monetary_create(const char * s, _Locale_name_hint* hint, int *__err_code) |
| { return _Locale_monetary_create(s, hint, __err_code); } |
| static void* _Loc_messages_create(const char * s, _Locale_name_hint* hint, int *__err_code) |
| { return _Locale_messages_create(s, hint, __err_code); } |
| |
| static char const* _Loc_ctype_name(void* l, char* s) |
| { return _Locale_ctype_name((_Locale_ctype*)l, s); } |
| static char const* _Loc_codecvt_name(void* l, char* s) |
| { return _Locale_codecvt_name((_Locale_codecvt*)l, s); } |
| static char const* _Loc_numeric_name(void* l, char* s) |
| { return _Locale_numeric_name((_Locale_numeric*)l, s); } |
| static char const* _Loc_time_name(void* l, char* s) |
| { return _Locale_time_name((_Locale_time*)l, s); } |
| static char const* _Loc_collate_name(void* l, char* s) |
| { return _Locale_collate_name((_Locale_collate*)l, s); } |
| static char const* _Loc_monetary_name(void* l, char* s) |
| { return _Locale_monetary_name((_Locale_monetary*)l, s); } |
| static char const* _Loc_messages_name(void* l, char* s) |
| { return _Locale_messages_name((_Locale_messages*)l, s); } |
| |
| static const char* _Loc_ctype_default(char* p) |
| { return _Locale_ctype_default(p); } |
| static const char* _Loc_numeric_default(char * p) |
| { return _Locale_numeric_default(p); } |
| static const char* _Loc_time_default(char* p) |
| { return _Locale_time_default(p); } |
| static const char* _Loc_collate_default(char* p) |
| { return _Locale_collate_default(p); } |
| static const char* _Loc_monetary_default(char* p) |
| { return _Locale_monetary_default(p); } |
| static const char* _Loc_messages_default(char* p) |
| { return _Locale_messages_default(p); } |
| |
| static void _Loc_ctype_destroy(void* p) {_Locale_ctype_destroy((_Locale_ctype*)p); } |
| static void _Loc_codecvt_destroy(void* p) {_Locale_codecvt_destroy((_Locale_codecvt*)p); } |
| static void _Loc_numeric_destroy(void* p) {_Locale_numeric_destroy((_Locale_numeric*)p); } |
| static void _Loc_time_destroy(void* p) {_Locale_time_destroy((_Locale_time*)p);} |
| static void _Loc_collate_destroy(void* p) {_Locale_collate_destroy((_Locale_collate*)p);} |
| static void _Loc_monetary_destroy(void* p) {_Locale_monetary_destroy((_Locale_monetary*)p);} |
| static void _Loc_messages_destroy(void* p) {_Locale_messages_destroy((_Locale_messages*)p);} |
| |
| typedef void* (*loc_create_func_t)(const char *, _Locale_name_hint*, int *__err_code); |
| typedef char const* (*loc_name_func_t)(void* l, char* s); |
| typedef void (*loc_destroy_func_t)(void* l); |
| typedef const char* (*loc_default_name_func_t)(char* s); |
| typedef char const* (*loc_extract_name_func_t)(const char*, char*, _Locale_name_hint*, int *__err_code); |
| |
| //---------------------------------------------------------------------- |
| // Acquire and release low-level category objects. The whole point of |
| // this is so that we don't allocate (say) four different _Locale_ctype |
| // objects for a single locale. |
| |
| // Global hash tables for category objects. |
| typedef hash_map<string, pair<void*, size_t>, hash<string>, equal_to<string> > Category_Map; |
| |
| // Look up a category by name |
| static Category_Map** ctype_hash() { |
| static Category_Map *_S_ctype_hash = 0; |
| return &_S_ctype_hash; |
| } |
| static Category_Map** codecvt_hash() { |
| static Category_Map *_S_codecvt_hash = 0; |
| return &_S_codecvt_hash; |
| } |
| static Category_Map** numeric_hash() { |
| static Category_Map *_S_numeric_hash = 0; |
| return &_S_numeric_hash; |
| } |
| static Category_Map** time_hash() { |
| static Category_Map *_S_time_hash = 0; |
| return &_S_time_hash; |
| } |
| static Category_Map** collate_hash() { |
| static Category_Map *_S_collate_hash = 0; |
| return &_S_collate_hash; |
| } |
| static Category_Map** monetary_hash() { |
| static Category_Map *_S_monetary_hash = 0; |
| return &_S_monetary_hash; |
| } |
| static Category_Map** messages_hash() { |
| static Category_Map *_S_messages_hash; |
| return &_S_messages_hash; |
| } |
| |
| // We have a single lock for all of the hash tables. We may wish to |
| // replace it with six different locks. |
| /* REFERENCED */ |
| static _STLP_STATIC_MUTEX& category_hash_mutex() { |
| static _STLP_STATIC_MUTEX lock _STLP_MUTEX_INITIALIZER; |
| return lock; |
| } |
| |
| static void* |
| __acquire_category(const char* &name, char *buf, _Locale_name_hint* hint, |
| loc_extract_name_func_t extract_name, |
| loc_create_func_t create_obj, loc_default_name_func_t default_name, |
| Category_Map ** M, int *__err_code) { |
| #if !defined (__BORLANDC__) || (__BORLANDC__ >= 0x564) |
| typedef Category_Map::iterator Category_iterator; |
| pair<Category_iterator, bool> result; |
| #else |
| # if !defined(_STLP_DEBUG) |
| pair<_Ht_iterator<_Slist_iterator<pair<const string,pair<void *,unsigned int> >,_Nonconst_traits<pair<const string,pair<void *,unsigned int> > > >,_NonLocalHashMapTraitsT<pair<const string,pair<void *,unsigned int> > > >, bool> result; |
| # else |
| pair<_DBG_iter<_NonDbg_hashtable<pair<const string,pair<void *,unsigned int> >,string,hash<string>,_HashMapTraitsT<pair<const string,pair<void *,unsigned int> > >,_Select1st<pair<const string,pair<void *,unsigned int> > >,_DbgEqual<string,equal_to<string> >,allocator<pair<const string,pair<void *,unsigned int> > > >,_DbgTraits<_NonLocalHashMapTraitsT<pair<const string,pair<void *,unsigned int> > > > >, bool> result; |
| # endif |
| #endif |
| |
| *__err_code = _STLP_LOC_UNDEFINED; |
| |
| // Find what name to look for. Be careful if user requests the default. |
| if (name[0] == 0) { |
| name = default_name(buf); |
| if (name == 0 || name[0] == 0) |
| name = "C"; |
| } |
| else { |
| const char* cname = extract_name(name, buf, hint, __err_code); |
| if (cname == 0) { |
| return 0; |
| } |
| name = cname; |
| } |
| |
| Category_Map::value_type __e(name, pair<void*,size_t>((void*)0,size_t(0))); |
| |
| _STLP_auto_lock sentry(category_hash_mutex()); |
| |
| if (!*M) |
| *M = new Category_Map(); |
| |
| // Look for an existing entry with that name. |
| result = (*M)->insert_noresize(__e); |
| |
| if (result.second) { |
| // There was no entry in the map already. Create the category. |
| (*result.first).second.first = create_obj(name, hint, __err_code); |
| if (!(*result.first).second.first) { |
| (*M)->erase(result.first); |
| #if defined (_STLP_LEAKS_PEDANTIC) |
| if ((*M)->empty()) { |
| delete *M; |
| *M = 0; |
| } |
| #endif |
| return 0; |
| } |
| } |
| |
| // Increment the reference count. |
| ++((*result.first).second.second); |
| |
| return (*result.first).second.first; |
| } |
| |
| static void |
| __release_category(void* cat, |
| loc_destroy_func_t destroy_fun, |
| loc_name_func_t get_name, |
| Category_Map** M) { |
| Category_Map *pM = *M; |
| |
| if (cat && pM) { |
| // Find the name of the category object. |
| char buf[_Locale_MAX_SIMPLE_NAME + 1]; |
| char const* name = get_name(cat, buf); |
| |
| if (name != 0) { |
| _STLP_auto_lock sentry(category_hash_mutex()); |
| Category_Map::iterator it = pM->find(name); |
| if (it != pM->end()) { |
| // Decrement the ref count. If it goes to zero, delete this category |
| // from the map. |
| if (--((*it).second.second) == 0) { |
| void* cat1 = (*it).second.first; |
| destroy_fun(cat1); |
| pM->erase(it); |
| #if defined (_STLP_LEAKS_PEDANTIC) |
| if (pM->empty()) { |
| delete pM; |
| *M = 0; |
| } |
| #endif |
| } |
| } |
| } |
| } |
| } |
| |
| _Locale_ctype* _STLP_CALL __acquire_ctype(const char* &name, char *buf, _Locale_name_hint* hint, int *__err_code) { |
| return __REINTERPRET_CAST(_Locale_ctype*, __acquire_category(name, buf, hint, |
| _Locale_extract_ctype_name, _Loc_ctype_create, _Loc_ctype_default, |
| ctype_hash(), __err_code)); |
| } |
| _Locale_codecvt* _STLP_CALL __acquire_codecvt(const char* &name, char *buf, _Locale_name_hint* hint, int *__err_code) { |
| return __REINTERPRET_CAST(_Locale_codecvt*, __acquire_category(name, buf, hint, |
| _Locale_extract_ctype_name, _Loc_codecvt_create, _Loc_ctype_default, |
| codecvt_hash(), __err_code)); |
| } |
| _Locale_numeric* _STLP_CALL __acquire_numeric(const char* &name, char *buf, _Locale_name_hint* hint, int *__err_code) { |
| return __REINTERPRET_CAST(_Locale_numeric*, __acquire_category(name, buf, hint, |
| _Locale_extract_numeric_name, _Loc_numeric_create, _Loc_numeric_default, |
| numeric_hash(), __err_code)); |
| } |
| _Locale_time* _STLP_CALL __acquire_time(const char* &name, char *buf, _Locale_name_hint* hint, int *__err_code) { |
| return __REINTERPRET_CAST(_Locale_time*, __acquire_category(name, buf, hint, |
| _Locale_extract_time_name, _Loc_time_create, _Loc_time_default, |
| time_hash(), __err_code)); |
| } |
| _Locale_collate* _STLP_CALL __acquire_collate(const char* &name, char *buf, _Locale_name_hint* hint, int *__err_code) { |
| return __REINTERPRET_CAST(_Locale_collate*, __acquire_category(name, buf, hint, |
| _Locale_extract_collate_name, _Loc_collate_create, _Loc_collate_default, |
| collate_hash(), __err_code)); |
| } |
| _Locale_monetary* _STLP_CALL __acquire_monetary(const char* &name, char *buf, _Locale_name_hint* hint, int *__err_code) { |
| return __REINTERPRET_CAST(_Locale_monetary*, __acquire_category(name, buf, hint, |
| _Locale_extract_monetary_name, _Loc_monetary_create, _Loc_monetary_default, |
| monetary_hash(), __err_code)); |
| } |
| _Locale_messages* _STLP_CALL __acquire_messages(const char* &name, char *buf, _Locale_name_hint* hint, int *__err_code) { |
| return __REINTERPRET_CAST(_Locale_messages*, __acquire_category(name, buf, hint, |
| _Locale_extract_messages_name, _Loc_messages_create, _Loc_messages_default, |
| messages_hash(), __err_code)); |
| } |
| |
| void _STLP_CALL __release_ctype(_Locale_ctype* cat) |
| { __release_category(cat, _Loc_ctype_destroy, _Loc_ctype_name, ctype_hash()); } |
| void _STLP_CALL __release_codecvt(_Locale_codecvt* cat) |
| { __release_category(cat, _Loc_codecvt_destroy, _Loc_codecvt_name, codecvt_hash()); } |
| void _STLP_CALL __release_numeric(_Locale_numeric* cat) |
| { __release_category(cat, _Loc_numeric_destroy, _Loc_numeric_name, numeric_hash()); } |
| void _STLP_CALL __release_time(_Locale_time* cat) |
| { __release_category(cat, _Loc_time_destroy, _Loc_time_name, time_hash()); } |
| void _STLP_CALL __release_collate(_Locale_collate* cat) |
| { __release_category(cat, _Loc_collate_destroy, _Loc_collate_name, collate_hash()); } |
| void _STLP_CALL __release_monetary(_Locale_monetary* cat) |
| { __release_category(cat, _Loc_monetary_destroy, _Loc_monetary_name, monetary_hash()); } |
| void _STLP_CALL __release_messages(_Locale_messages* cat) |
| { __release_category(cat, _Loc_messages_destroy, _Loc_messages_name, messages_hash()); } |
| |
| _STLP_MOVE_TO_STD_NAMESPACE |
| _STLP_END_NAMESPACE |
