ui/base/l10n/l10n_util_plurals.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/base/l10n/l10n_util_plurals.h"
   6
   7 #include "base/logging.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/base/l10n/l10n_util.h"
  10
  11 namespace l10n_util {
  12
  13 scoped_ptr<icu::PluralRules> BuildPluralRules() {
  14   UErrorCode err = U_ZERO_ERROR;
  15   scoped_ptr<icu::PluralRules> rules(
  16       icu::PluralRules::forLocale(icu::Locale::getDefault(), err));
  17   if (U_FAILURE(err)) {
  18     err = U_ZERO_ERROR;
  19     icu::UnicodeString fallback_rules("one: n is 1", -1, US_INV);
  20     rules.reset(icu::PluralRules::createRules(fallback_rules, err));
  21     DCHECK(U_SUCCESS(err));
  22   }
  23   return rules.Pass();
  24 }
  25
  26 void FormatNumberInPlural(const icu::MessageFormat& format, int number,
  27                           icu::UnicodeString* result, UErrorCode* err) {
  28   if (U_FAILURE(*err)) return;
  29   icu::Formattable formattable(number);
  30   icu::FieldPosition ignore(icu::FieldPosition::DONT_CARE);
  31   format.format(&formattable, 1, *result, ignore, *err);
  32   DCHECK(U_SUCCESS(*err));
  33   return;
  34 }
  35
  36
  37 }  // namespace l10n_util