--- /dev/null
+/*
+ * 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 avoid extern "C"
+
+static void* _Loc_ctype_create(const char * s, _Locale_name_hint* hint)
+{ return _Locale_ctype_create(s, hint); }
+static void* _Loc_numeric_create(const char * s, _Locale_name_hint* hint)
+{ return _Locale_numeric_create(s, hint); }
+static void* _Loc_time_create(const char * s, _Locale_name_hint* hint)
+{ return _Locale_time_create(s, hint); }
+static void* _Loc_collate_create(const char * s, _Locale_name_hint* hint)
+{ return _Locale_collate_create(s, hint); }
+static void* _Loc_monetary_create(const char * s, _Locale_name_hint* hint)
+{ return _Locale_monetary_create(s, hint); }
+static void* _Loc_messages_create(const char * s, _Locale_name_hint* hint)
+{ return _Locale_messages_create(s, hint); }
+
+static char const* _Loc_ctype_name(const void* l, char* s)
+{ return _Locale_ctype_name(l, s); }
+static char const* _Loc_numeric_name(const void* l, char* s)
+{ return _Locale_numeric_name(l, s); }
+static char const* _Loc_time_name(const void* l, char* s)
+{ return _Locale_time_name(l,s); }
+static char const* _Loc_collate_name( const void* l, char* s)
+{ return _Locale_collate_name(l,s); }
+static char const* _Loc_monetary_name(const void* l, char* s)
+{ return _Locale_monetary_name(l,s); }
+static char const* _Loc_messages_name(const void* l, char* s)
+{ return _Locale_messages_name(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(p); }
+static void _Loc_numeric_destroy(void* p) {_Locale_numeric_destroy(p); }
+static void _Loc_time_destroy(void* p) {_Locale_time_destroy(p);}
+static void _Loc_collate_destroy(void* p) {_Locale_collate_destroy(p);}
+static void _Loc_monetary_destroy(void* p) {_Locale_monetary_destroy(p);}
+static void _Loc_messages_destroy(void* p) {_Locale_messages_destroy(p);}
+
+typedef void* (*loc_create_func_t)(const char *, _Locale_name_hint*);
+typedef char const* (*loc_name_func_t)(const 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*);
+
+//----------------------------------------------------------------------
+// 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** 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_lock _STLP_MUTEX_INITIALIZER;
+
+static void*
+__acquire_category(const char* name, _Locale_name_hint* hint,
+ loc_extract_name_func_t extract_name,
+ loc_create_func_t create_obj, loc_default_name_func_t default_obj,
+ Category_Map ** M) {
+#if !defined (__BORLANDC__) || (__BORLANDC__ >= 0x564)
+ typedef Category_Map::iterator Category_iterator;
+ pair<Category_iterator, bool> result;
+#else
+ pair<Category_Map::iterator, bool> result;
+#endif
+
+ // Find what name to look for. Be careful if user requests the default.
+ const char *cname;
+ char buf[_Locale_MAX_SIMPLE_NAME];
+ if (name == 0 || name[0] == 0) {
+ cname = default_obj(buf);
+ if (cname == 0 || cname[0] == 0)
+ cname = "C";
+ }
+ else {
+ cname = extract_name(name, buf, hint);
+ if (cname == 0) {
+ return 0;
+ }
+ }
+
+ Category_Map::value_type __e(cname, pair<void*,size_t>((void*)0,size_t(0)));
+
+ _STLP_auto_lock sentry(__category_hash_lock);
+
+ if (!*M)
+ *M = new Category_Map();
+
+#if defined(__SC__) //*TY 06/01/2000 - added workaround for SCpp
+ if(!*M) delete *M; //*TY 06/01/2000 - it forgets to generate dtor for Category_Map class. This fake code forces to generate one.
+#endif //*TY 06/01/2000 -
+
+ // Look for an existing entry with that name.
+ result = (*M)->insert_noresize(__e);
+
+ // There was no entry in the map already. Create the category.
+ if (result.second)
+ (*result.first).second.first = create_obj(cname, hint);
+
+ // 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_lock);
+ 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 /* _STLP_LEAKS_PEDANTIC */
+ }
+ }
+ }
+ }
+}
+
+_Locale_ctype* _STLP_CALL __acquire_ctype(const char* name, _Locale_name_hint* hint) {
+ return __REINTERPRET_CAST(_Locale_ctype*, __acquire_category(name, hint,
+ _Locale_extract_ctype_name, _Loc_ctype_create, _Loc_ctype_default,
+ ctype_hash()));
+}
+_Locale_numeric* _STLP_CALL __acquire_numeric(const char* name, _Locale_name_hint* hint) {
+ return __REINTERPRET_CAST(_Locale_numeric*, __acquire_category(name, hint,
+ _Locale_extract_numeric_name, _Loc_numeric_create, _Loc_numeric_default,
+ numeric_hash()));
+}
+_Locale_time* _STLP_CALL __acquire_time(const char* name, _Locale_name_hint* hint) {
+ return __REINTERPRET_CAST(_Locale_time*, __acquire_category(name, hint,
+ _Locale_extract_time_name, _Loc_time_create, _Loc_time_default,
+ time_hash()));
+}
+_Locale_collate* _STLP_CALL __acquire_collate(const char* name, _Locale_name_hint* hint) {
+ return __REINTERPRET_CAST(_Locale_collate*, __acquire_category(name, hint,
+ _Locale_extract_collate_name, _Loc_collate_create, _Loc_collate_default,
+ collate_hash()));
+}
+_Locale_monetary* _STLP_CALL __acquire_monetary(const char* name, _Locale_name_hint* hint) {
+ return __REINTERPRET_CAST(_Locale_monetary*, __acquire_category(name, hint,
+ _Locale_extract_monetary_name, _Loc_monetary_create, _Loc_monetary_default,
+ monetary_hash()));
+}
+_Locale_messages* _STLP_CALL __acquire_messages(const char* name, _Locale_name_hint* hint) {
+ return __REINTERPRET_CAST(_Locale_messages*, __acquire_category(name, hint,
+ _Locale_extract_messages_name, _Loc_messages_create, _Loc_messages_default,
+ messages_hash()));
+}
+
+void _STLP_CALL __release_ctype(_Locale_ctype* cat)
+{ __release_category(cat, _Loc_ctype_destroy, _Loc_ctype_name, ctype_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