| // Copyright 2011 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_I18N_NUMBER_FORMATTING_H_ |
| #define BASE_I18N_NUMBER_FORMATTING_H_ |
| |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/i18n/base_i18n_export.h" |
| |
| namespace base { |
| |
| // Return a number formatted with separators in the user's locale. |
| // Ex: FormatNumber(1234567) => "1,234,567" in English, "1.234.567" in German |
| BASE_I18N_EXPORT std::u16string FormatNumber(int64_t number); |
| |
| // Return a number formatted with separators in the user's locale, with |
| // `fractional_digits` digits after the decimal point. |
| // Ex: FormatDouble(1234567.8, 1) |
| // => "1,234,567.8" in English, "1.234.567,8" in German |
| BASE_I18N_EXPORT std::u16string FormatDouble(double number, |
| int fractional_digits); |
| |
| // Return a number formatted with separators in the user's locale, with up to |
| // `max_fractional_digits` digits after the decimal point, and eliminating |
| // trailing zeroes after `min_fractional_digits`. |
| // Ex: FormatDouble(1234567.8, 0, 4) |
| // => "1,234,567.8" in English, "1.234.567,8" in German |
| // Ex: FormatDouble(1234567.888888, 0, 4) |
| // => "1,234,567.8889" in English, "1.234.567,8889" in German |
| BASE_I18N_EXPORT std::u16string FormatDouble(double number, |
| int min_fractional_digits, |
| int max_fractional_digits); |
| |
| // Return a percentage formatted with space and symbol in the user's locale. |
| // Ex: FormatPercent(12) => "12%" in English, "12 %" in Romanian |
| BASE_I18N_EXPORT std::u16string FormatPercent(int number); |
| |
| // Causes cached formatters to be discarded and recreated. Only useful for |
| // testing. |
| BASE_I18N_EXPORT void ResetFormattersForTesting(); |
| |
| } // namespace base |
| |
| #endif // BASE_I18N_NUMBER_FORMATTING_H_ |