gecko-dev/intl/uconv/tests/plattest.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "nsIPlatformCharset.h"
#include "nsILocaleService.h"
#include "nsCOMPtr.h"
#include "nsReadableUtils.h"
#include "nsLocaleCID.h"
#include "nsIComponentManager.h"
#include <stdio.h>

NS_DEFINE_IID(kLocaleServiceIID,NS_ILOCALESERVICE_IID);
NS_DEFINE_CID(kLocaleServiceCID,NS_LOCALESERVICE_CID);
NS_DEFINE_IID(kPlatformCharsetIID,NS_IPLATFORMCHARSET_IID);

int
main(int argc, const char** argv)
{
    nsCOMPtr<nsILocaleService>      locale_service;
    nsCOMPtr<nsILocale>             locale;
    nsCOMPtr<nsIPlatformCharset>    platform_charset;
    nsString                        locale_category(NS_LITERAL_STRING("NSILOCALE_MESSAGES"));
    PRUnichar*                      category_value;
    nsCAutoString                   charset;
    nsString                        categoryAsNSString;

    nsresult rv = nsComponentManager::CreateInstance(NS_PLATFORMCHARSET_CONTRACTID, NULL, kPlatformCharsetIID, getter_AddRefs(platform_charset));
    rv = nsComponentManager::CreateInstance(kLocaleServiceCID, NULL, kLocaleServiceIID, getter_AddRefs(locale_service));
    if (NS_FAILED(rv)) return -1;

    rv = locale_service->GetSystemLocale(getter_AddRefs(locale));
    if (NS_FAILED(rv)) return -1;

    rv = locale->GetCategory(locale_category.get(), &category_value);
    if (NS_FAILED(rv)) return -1;

    rv = platform_charset->GetDefaultCharsetForLocale(category_value, charset);
    if (NS_FAILED(rv)) return -1;

    categoryAsNSString = category_value;
    printf("DefaultCharset for %s is %s\n", NS_LossyConvertUTF16toASCII(categoryAsNSString).get(), charset.get());

    categoryAsNSString.Assign(NS_LITERAL_STRING("en-US"));
    rv = platform_charset->GetDefaultCharsetForLocale(categoryAsNSString.get(), charset);
    if (NS_FAILED(rv)) return -1;

    printf("DefaultCharset for %s is %s\n", NS_LossyConvertUTF16toASCII(categoryAsNSString).get(), charset.get());

    return 0;
}