| // Copyright (c) 2008 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/i18n/number_formatting.h" |
| |
| #include "base/format_macros.h" |
| #include "base/logging.h" |
| #include "base/singleton.h" |
| #include "base/string_util.h" |
| #include "base/utf_string_conversions.h" |
| #include "unicode/numfmt.h" |
| #include "unicode/ustring.h" |
| |
| namespace base { |
| |
| namespace { |
| |
| struct NumberFormatSingletonTraits |
| : public DefaultSingletonTraits<icu::NumberFormat> { |
| static icu::NumberFormat* New() { |
| UErrorCode status = U_ZERO_ERROR; |
| icu::NumberFormat* formatter = icu::NumberFormat::createInstance(status); |
| DCHECK(U_SUCCESS(status)); |
| return formatter; |
| } |
| // There's no ICU call to destroy a NumberFormat object other than |
| // operator delete, so use the default Delete, which calls operator delete. |
| // This can cause problems if a different allocator is used by this file than |
| // by ICU. |
| }; |
| |
| } // namespace |
| |
| string16 FormatNumber(int64 number) { |
| icu::NumberFormat* number_format = |
| Singleton<icu::NumberFormat, NumberFormatSingletonTraits>::get(); |
| |
| if (!number_format) { |
| // As a fallback, just return the raw number in a string. |
| return UTF8ToUTF16(StringPrintf("%" PRId64, number)); |
| } |
| icu::UnicodeString ustr; |
| number_format->format(number, ustr); |
| |
| return string16(ustr.getBuffer(), static_cast<size_t>(ustr.length())); |
| } |
| |
| } // namespace base |