The Tor Browser: build/stlport/src/locale_catalog.cpp@b8a032363ba2 (annotated)

build/stlport/src/locale_catalog.cpp@b8a032363ba2 (annotated)

build/stlport/src/locale_catalog.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /*
  * 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

The Tor Browser / annotate

build/stlport/src/locale_catalog.cpp@b8a032363ba2 (annotated)

build/stlport/src/locale_catalog.cpp