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base / i18n / number_formatting.h [blame]
// 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_