Index: icu46/source/common/locavailable.cpp |
=================================================================== |
--- icu46/source/common/locavailable.cpp (revision 0) |
+++ icu46/source/common/locavailable.cpp (revision 0) |
@@ -0,0 +1,187 @@ |
+/* |
+******************************************************************************* |
+* |
+* Copyright (C) 1997-2010, International Business Machines |
+* Corporation and others. All Rights Reserved. |
+* |
+******************************************************************************* |
+* file name: locavailable.cpp |
+* encoding: US-ASCII |
+* tab size: 8 (not used) |
+* indentation:4 |
+* |
+* created on: 2010feb25 |
+* created by: Markus W. Scherer |
+* |
+* Code for available locales, separated out from other .cpp files |
+* that then do not depend on resource bundle code and res_index bundles. |
+*/ |
+ |
+#include "unicode/utypes.h" |
+#include "unicode/locid.h" |
+#include "unicode/uloc.h" |
+#include "unicode/ures.h" |
+#include "cmemory.h" |
+#include "ucln_cmn.h" |
+#include "umutex.h" |
+#include "uresimp.h" |
+ |
+// C++ API ----------------------------------------------------------------- *** |
+ |
+static U_NAMESPACE_QUALIFIER Locale* availableLocaleList = NULL; |
+static int32_t availableLocaleListCount; |
+ |
+U_CDECL_BEGIN |
+ |
+static UBool U_CALLCONV locale_available_cleanup(void) |
+{ |
+ U_NAMESPACE_USE |
+ |
+ if (availableLocaleList) { |
+ delete []availableLocaleList; |
+ availableLocaleList = NULL; |
+ } |
+ availableLocaleListCount = 0; |
+ |
+ return TRUE; |
+} |
+ |
+U_CDECL_END |
+ |
+U_NAMESPACE_BEGIN |
+ |
+const Locale* U_EXPORT2 |
+Locale::getAvailableLocales(int32_t& count) |
+{ |
+ // for now, there is a hardcoded list, so just walk through that list and set it up. |
+ UBool needInit; |
+ UMTX_CHECK(NULL, availableLocaleList == NULL, needInit); |
+ |
+ if (needInit) { |
+ int32_t locCount = uloc_countAvailable(); |
+ Locale *newLocaleList = 0; |
+ if(locCount) { |
+ newLocaleList = new Locale[locCount]; |
+ } |
+ if (newLocaleList == NULL) { |
+ count = 0; |
+ return NULL; |
+ } |
+ |
+ count = locCount; |
+ |
+ while(--locCount >= 0) { |
+ newLocaleList[locCount].setFromPOSIXID(uloc_getAvailable(locCount)); |
+ } |
+ |
+ umtx_lock(NULL); |
+ if(availableLocaleList == 0) { |
+ availableLocaleListCount = count; |
+ availableLocaleList = newLocaleList; |
+ newLocaleList = NULL; |
+ ucln_common_registerCleanup(UCLN_COMMON_LOCALE_AVAILABLE, locale_available_cleanup); |
+ } |
+ umtx_unlock(NULL); |
+ delete []newLocaleList; |
+ } |
+ count = availableLocaleListCount; |
+ return availableLocaleList; |
+} |
+ |
+ |
+U_NAMESPACE_END |
+ |
+// C API ------------------------------------------------------------------- *** |
+ |
+U_NAMESPACE_USE |
+ |
+/* ### Constants **************************************************/ |
+ |
+/* These strings describe the resources we attempt to load from |
+ the locale ResourceBundle data file.*/ |
+static const char _kIndexLocaleName[] = "res_index"; |
+static const char _kIndexTag[] = "InstalledLocales"; |
+ |
+static char** _installedLocales = NULL; |
+static int32_t _installedLocalesCount = 0; |
+ |
+/* ### Get available **************************************************/ |
+ |
+static UBool U_CALLCONV uloc_cleanup(void) { |
+ char ** temp; |
+ |
+ if (_installedLocales) { |
+ temp = _installedLocales; |
+ _installedLocales = NULL; |
+ |
+ _installedLocalesCount = 0; |
+ |
+ uprv_free(temp); |
+ } |
+ return TRUE; |
+} |
+ |
+static void _load_installedLocales() |
+{ |
+ UBool localesLoaded; |
+ |
+ UMTX_CHECK(NULL, _installedLocales != NULL, localesLoaded); |
+ |
+ if (localesLoaded == FALSE) { |
+ UResourceBundle *indexLocale = NULL; |
+ UResourceBundle installed; |
+ UErrorCode status = U_ZERO_ERROR; |
+ char ** temp; |
+ int32_t i = 0; |
+ int32_t localeCount; |
+ |
+ ures_initStackObject(&installed); |
+ indexLocale = ures_openDirect(NULL, _kIndexLocaleName, &status); |
+ ures_getByKey(indexLocale, _kIndexTag, &installed, &status); |
+ |
+ if(U_SUCCESS(status)) { |
+ localeCount = ures_getSize(&installed); |
+ temp = (char **) uprv_malloc(sizeof(char*) * (localeCount+1)); |
+ /* Check for null pointer */ |
+ if (temp != NULL) { |
+ ures_resetIterator(&installed); |
+ while(ures_hasNext(&installed)) { |
+ ures_getNextString(&installed, NULL, (const char **)&temp[i++], &status); |
+ } |
+ temp[i] = NULL; |
+ |
+ umtx_lock(NULL); |
+ if (_installedLocales == NULL) |
+ { |
+ _installedLocalesCount = localeCount; |
+ _installedLocales = temp; |
+ temp = NULL; |
+ ucln_common_registerCleanup(UCLN_COMMON_ULOC, uloc_cleanup); |
+ } |
+ umtx_unlock(NULL); |
+ |
+ uprv_free(temp); |
+ } |
+ } |
+ ures_close(&installed); |
+ ures_close(indexLocale); |
+ } |
+} |
+ |
+U_CAPI const char* U_EXPORT2 |
+uloc_getAvailable(int32_t offset) |
+{ |
+ |
+ _load_installedLocales(); |
+ |
+ if (offset > _installedLocalesCount) |
+ return NULL; |
+ return _installedLocales[offset]; |
+} |
+ |
+U_CAPI int32_t U_EXPORT2 |
+uloc_countAvailable() |
+{ |
+ _load_installedLocales(); |
+ return _installedLocalesCount; |
+} |
Property changes on: icu46/source/common/locavailable.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |