297 lines
11 KiB
C++
297 lines
11 KiB
C++
// Copyright (c) 2011 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/time_formatting.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
#include <memory>
|
|
|
|
#include "base/i18n/unicodestring.h"
|
|
#include "base/logging.h"
|
|
#include "base/strings/utf_string_conversions.h"
|
|
#include "base/time/time.h"
|
|
#include "third_party/icu/source/common/unicode/utypes.h"
|
|
#include "third_party/icu/source/i18n/unicode/datefmt.h"
|
|
#include "third_party/icu/source/i18n/unicode/dtitvfmt.h"
|
|
#include "third_party/icu/source/i18n/unicode/dtptngen.h"
|
|
#include "third_party/icu/source/i18n/unicode/fmtable.h"
|
|
#include "third_party/icu/source/i18n/unicode/measfmt.h"
|
|
#include "third_party/icu/source/i18n/unicode/smpdtfmt.h"
|
|
|
|
namespace base {
|
|
namespace {
|
|
|
|
string16 TimeFormat(const icu::DateFormat* formatter,
|
|
const Time& time) {
|
|
DCHECK(formatter);
|
|
icu::UnicodeString date_string;
|
|
|
|
formatter->format(static_cast<UDate>(time.ToDoubleT() * 1000), date_string);
|
|
return i18n::UnicodeStringToString16(date_string);
|
|
}
|
|
|
|
string16 TimeFormatWithoutAmPm(const icu::DateFormat* formatter,
|
|
const Time& time) {
|
|
DCHECK(formatter);
|
|
icu::UnicodeString time_string;
|
|
|
|
icu::FieldPosition ampm_field(icu::DateFormat::kAmPmField);
|
|
formatter->format(
|
|
static_cast<UDate>(time.ToDoubleT() * 1000), time_string, ampm_field);
|
|
int ampm_length = ampm_field.getEndIndex() - ampm_field.getBeginIndex();
|
|
if (ampm_length) {
|
|
int begin = ampm_field.getBeginIndex();
|
|
// Doesn't include any spacing before the field.
|
|
if (begin)
|
|
begin--;
|
|
time_string.removeBetween(begin, ampm_field.getEndIndex());
|
|
}
|
|
return i18n::UnicodeStringToString16(time_string);
|
|
}
|
|
|
|
icu::SimpleDateFormat CreateSimpleDateFormatter(const char* pattern) {
|
|
// Generate a locale-dependent format pattern. The generator will take
|
|
// care of locale-dependent formatting issues like which separator to
|
|
// use (some locales use '.' instead of ':'), and where to put the am/pm
|
|
// marker.
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
std::unique_ptr<icu::DateTimePatternGenerator> generator(
|
|
icu::DateTimePatternGenerator::createInstance(status));
|
|
DCHECK(U_SUCCESS(status));
|
|
icu::UnicodeString generated_pattern =
|
|
generator->getBestPattern(icu::UnicodeString(pattern), status);
|
|
DCHECK(U_SUCCESS(status));
|
|
|
|
// Then, format the time using the generated pattern.
|
|
icu::SimpleDateFormat formatter(generated_pattern, status);
|
|
DCHECK(U_SUCCESS(status));
|
|
|
|
return formatter;
|
|
}
|
|
|
|
UMeasureFormatWidth DurationWidthToMeasureWidth(DurationFormatWidth width) {
|
|
switch (width) {
|
|
case DURATION_WIDTH_WIDE: return UMEASFMT_WIDTH_WIDE;
|
|
case DURATION_WIDTH_SHORT: return UMEASFMT_WIDTH_SHORT;
|
|
case DURATION_WIDTH_NARROW: return UMEASFMT_WIDTH_NARROW;
|
|
case DURATION_WIDTH_NUMERIC: return UMEASFMT_WIDTH_NUMERIC;
|
|
}
|
|
NOTREACHED();
|
|
return UMEASFMT_WIDTH_COUNT;
|
|
}
|
|
|
|
const char* DateFormatToString(DateFormat format) {
|
|
switch (format) {
|
|
case DATE_FORMAT_YEAR_MONTH:
|
|
return UDAT_YEAR_MONTH;
|
|
case DATE_FORMAT_MONTH_WEEKDAY_DAY:
|
|
return UDAT_MONTH_WEEKDAY_DAY;
|
|
}
|
|
NOTREACHED();
|
|
return UDAT_YEAR_MONTH_DAY;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
string16 TimeFormatTimeOfDay(const Time& time) {
|
|
// We can omit the locale parameter because the default should match
|
|
// Chrome's application locale.
|
|
std::unique_ptr<icu::DateFormat> formatter(
|
|
icu::DateFormat::createTimeInstance(icu::DateFormat::kShort));
|
|
return TimeFormat(formatter.get(), time);
|
|
}
|
|
|
|
string16 TimeFormatTimeOfDayWithMilliseconds(const Time& time) {
|
|
icu::SimpleDateFormat formatter = CreateSimpleDateFormatter("HmsSSS");
|
|
return TimeFormatWithoutAmPm(&formatter, time);
|
|
}
|
|
|
|
string16 TimeFormatTimeOfDayWithHourClockType(const Time& time,
|
|
HourClockType type,
|
|
AmPmClockType ampm) {
|
|
// Just redirect to the normal function if the default type matches the
|
|
// given type.
|
|
HourClockType default_type = GetHourClockType();
|
|
if (default_type == type && (type == k24HourClock || ampm == kKeepAmPm)) {
|
|
return TimeFormatTimeOfDay(time);
|
|
}
|
|
|
|
const char* base_pattern = (type == k12HourClock ? "ahm" : "Hm");
|
|
icu::SimpleDateFormat formatter = CreateSimpleDateFormatter(base_pattern);
|
|
|
|
if (ampm == kKeepAmPm) {
|
|
return TimeFormat(&formatter, time);
|
|
}
|
|
return TimeFormatWithoutAmPm(&formatter, time);
|
|
}
|
|
|
|
string16 TimeFormatShortDate(const Time& time) {
|
|
std::unique_ptr<icu::DateFormat> formatter(
|
|
icu::DateFormat::createDateInstance(icu::DateFormat::kMedium));
|
|
return TimeFormat(formatter.get(), time);
|
|
}
|
|
|
|
string16 TimeFormatShortDateNumeric(const Time& time) {
|
|
std::unique_ptr<icu::DateFormat> formatter(
|
|
icu::DateFormat::createDateInstance(icu::DateFormat::kShort));
|
|
return TimeFormat(formatter.get(), time);
|
|
}
|
|
|
|
string16 TimeFormatShortDateAndTime(const Time& time) {
|
|
std::unique_ptr<icu::DateFormat> formatter(
|
|
icu::DateFormat::createDateTimeInstance(icu::DateFormat::kShort));
|
|
return TimeFormat(formatter.get(), time);
|
|
}
|
|
|
|
string16 TimeFormatShortDateAndTimeWithTimeZone(const Time& time) {
|
|
std::unique_ptr<icu::DateFormat> formatter(
|
|
icu::DateFormat::createDateTimeInstance(icu::DateFormat::kShort,
|
|
icu::DateFormat::kLong));
|
|
return TimeFormat(formatter.get(), time);
|
|
}
|
|
|
|
string16 TimeFormatMonthAndYear(const Time& time) {
|
|
icu::SimpleDateFormat formatter =
|
|
CreateSimpleDateFormatter(DateFormatToString(DATE_FORMAT_YEAR_MONTH));
|
|
return TimeFormat(&formatter, time);
|
|
}
|
|
|
|
string16 TimeFormatFriendlyDateAndTime(const Time& time) {
|
|
std::unique_ptr<icu::DateFormat> formatter(
|
|
icu::DateFormat::createDateTimeInstance(icu::DateFormat::kFull));
|
|
return TimeFormat(formatter.get(), time);
|
|
}
|
|
|
|
string16 TimeFormatFriendlyDate(const Time& time) {
|
|
std::unique_ptr<icu::DateFormat> formatter(
|
|
icu::DateFormat::createDateInstance(icu::DateFormat::kFull));
|
|
return TimeFormat(formatter.get(), time);
|
|
}
|
|
|
|
string16 TimeFormatWithPattern(const Time& time, const char* pattern) {
|
|
icu::SimpleDateFormat formatter = CreateSimpleDateFormatter(pattern);
|
|
return TimeFormat(&formatter, time);
|
|
}
|
|
|
|
bool TimeDurationFormat(const TimeDelta time,
|
|
const DurationFormatWidth width,
|
|
string16* out) {
|
|
DCHECK(out);
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
const int total_minutes = static_cast<int>(time.InSecondsF() / 60 + 0.5);
|
|
const int hours = total_minutes / 60;
|
|
const int minutes = total_minutes % 60;
|
|
UMeasureFormatWidth u_width = DurationWidthToMeasureWidth(width);
|
|
|
|
// TODO(derat): Delete the |status| checks and LOG(ERROR) calls throughout
|
|
// this function once the cause of http://crbug.com/677043 is tracked down.
|
|
const icu::Measure measures[] = {
|
|
icu::Measure(hours, icu::MeasureUnit::createHour(status), status),
|
|
icu::Measure(minutes, icu::MeasureUnit::createMinute(status), status)};
|
|
if (U_FAILURE(status)) {
|
|
LOG(ERROR) << "Creating MeasureUnit or Measure for " << hours << "h"
|
|
<< minutes << "m failed: " << u_errorName(status);
|
|
return false;
|
|
}
|
|
|
|
icu::MeasureFormat measure_format(icu::Locale::getDefault(), u_width, status);
|
|
if (U_FAILURE(status)) {
|
|
LOG(ERROR) << "Creating MeasureFormat for "
|
|
<< icu::Locale::getDefault().getName()
|
|
<< " failed: " << u_errorName(status);
|
|
return false;
|
|
}
|
|
|
|
icu::UnicodeString formatted;
|
|
icu::FieldPosition ignore(icu::FieldPosition::DONT_CARE);
|
|
measure_format.formatMeasures(measures, 2, formatted, ignore, status);
|
|
if (U_FAILURE(status)) {
|
|
LOG(ERROR) << "formatMeasures failed: " << u_errorName(status);
|
|
return false;
|
|
}
|
|
|
|
*out = i18n::UnicodeStringToString16(formatted);
|
|
return true;
|
|
}
|
|
|
|
bool TimeDurationFormatWithSeconds(const TimeDelta time,
|
|
const DurationFormatWidth width,
|
|
string16* out) {
|
|
DCHECK(out);
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
const int64_t total_seconds = static_cast<int64_t>(time.InSecondsF() + 0.5);
|
|
const int64_t hours = total_seconds / 3600;
|
|
const int64_t minutes = (total_seconds - hours * 3600) / 60;
|
|
const int64_t seconds = total_seconds % 60;
|
|
UMeasureFormatWidth u_width = DurationWidthToMeasureWidth(width);
|
|
|
|
const icu::Measure measures[] = {
|
|
icu::Measure(hours, icu::MeasureUnit::createHour(status), status),
|
|
icu::Measure(minutes, icu::MeasureUnit::createMinute(status), status),
|
|
icu::Measure(seconds, icu::MeasureUnit::createSecond(status), status)};
|
|
icu::MeasureFormat measure_format(icu::Locale::getDefault(), u_width, status);
|
|
icu::UnicodeString formatted;
|
|
icu::FieldPosition ignore(icu::FieldPosition::DONT_CARE);
|
|
measure_format.formatMeasures(measures, 3, formatted, ignore, status);
|
|
*out = i18n::UnicodeStringToString16(formatted);
|
|
return U_SUCCESS(status) == TRUE;
|
|
}
|
|
|
|
string16 DateIntervalFormat(const Time& begin_time,
|
|
const Time& end_time,
|
|
DateFormat format) {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
std::unique_ptr<icu::DateIntervalFormat> formatter(
|
|
icu::DateIntervalFormat::createInstance(DateFormatToString(format),
|
|
status));
|
|
|
|
icu::FieldPosition pos = 0;
|
|
UDate start_date = static_cast<UDate>(begin_time.ToDoubleT() * 1000);
|
|
UDate end_date = static_cast<UDate>(end_time.ToDoubleT() * 1000);
|
|
icu::DateInterval interval(start_date, end_date);
|
|
icu::UnicodeString formatted;
|
|
formatter->format(&interval, formatted, pos, status);
|
|
return i18n::UnicodeStringToString16(formatted);
|
|
}
|
|
|
|
HourClockType GetHourClockType() {
|
|
// TODO(satorux,jshin): Rework this with ures_getByKeyWithFallback()
|
|
// once it becomes public. The short time format can be found at
|
|
// "calendar/gregorian/DateTimePatterns/3" in the resources.
|
|
std::unique_ptr<icu::SimpleDateFormat> formatter(
|
|
static_cast<icu::SimpleDateFormat*>(
|
|
icu::DateFormat::createTimeInstance(icu::DateFormat::kShort)));
|
|
// Retrieve the short time format.
|
|
icu::UnicodeString pattern_unicode;
|
|
formatter->toPattern(pattern_unicode);
|
|
|
|
// Determine what hour clock type the current locale uses, by checking
|
|
// "a" (am/pm marker) in the short time format. This is reliable as "a"
|
|
// is used by all of 12-hour clock formats, but not any of 24-hour clock
|
|
// formats, as shown below.
|
|
//
|
|
// % grep -A4 DateTimePatterns third_party/icu/source/data/locales/*.txt |
|
|
// grep -B1 -- -- |grep -v -- '--' |
|
|
// perl -nle 'print $1 if /^\S+\s+"(.*)"/' |sort -u
|
|
//
|
|
// H.mm
|
|
// H:mm
|
|
// HH.mm
|
|
// HH:mm
|
|
// a h:mm
|
|
// ah:mm
|
|
// ahh:mm
|
|
// h-mm a
|
|
// h:mm a
|
|
// hh:mm a
|
|
//
|
|
// See http://userguide.icu-project.org/formatparse/datetime for details
|
|
// about the date/time format syntax.
|
|
return pattern_unicode.indexOf('a') == -1 ? k24HourClock : k12HourClock;
|
|
}
|
|
|
|
} // namespace base
|