diff options
Diffstat (limited to 'Build/source/libs/icu/icu-4.6/common/locavailable.cpp')
-rw-r--r-- | Build/source/libs/icu/icu-4.6/common/locavailable.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-4.6/common/locavailable.cpp b/Build/source/libs/icu/icu-4.6/common/locavailable.cpp new file mode 100644 index 00000000000..7060a689914 --- /dev/null +++ b/Build/source/libs/icu/icu-4.6/common/locavailable.cpp @@ -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; +} |