зеркало из https://github.com/mozilla/gecko-dev.git
267 строки
10 KiB
C++
267 строки
10 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <CoreFoundation/CoreFoundation.h>
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#include "nsIServiceManager.h"
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#include "nsDateTimeFormatMac.h"
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#include <CoreFoundation/CFDateFormatter.h>
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#include "nsIComponentManager.h"
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#include "nsILocaleService.h"
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#include "nsCRT.h"
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#include "plstr.h"
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#include "nsUnicharUtils.h"
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#include "nsTArray.h"
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NS_IMPL_ISUPPORTS(nsDateTimeFormatMac, nsIDateTimeFormat)
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nsresult nsDateTimeFormatMac::Initialize(nsILocale* locale)
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{
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nsAutoString localeStr;
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nsAutoString category(NS_LITERAL_STRING("NSILOCALE_TIME"));
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nsresult res;
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// use cached info if match with stored locale
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if (nullptr == locale) {
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if (!mLocale.IsEmpty() &&
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mLocale.Equals(mAppLocale, nsCaseInsensitiveStringComparator())) {
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return NS_OK;
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}
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}
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else {
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res = locale->GetCategory(category, localeStr);
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if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
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if (!mLocale.IsEmpty() &&
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mLocale.Equals(localeStr,
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nsCaseInsensitiveStringComparator())) {
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return NS_OK;
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}
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}
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}
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// get application locale
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nsCOMPtr<nsILocaleService> localeService =
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do_GetService(NS_LOCALESERVICE_CONTRACTID, &res);
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if (NS_SUCCEEDED(res)) {
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nsCOMPtr<nsILocale> appLocale;
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res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
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if (NS_SUCCEEDED(res)) {
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res = appLocale->GetCategory(category, localeStr);
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if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
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mAppLocale = localeStr; // cache app locale name
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}
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}
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}
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// use app default if no locale specified
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if (nullptr == locale) {
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mUseDefaultLocale = true;
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}
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else {
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mUseDefaultLocale = false;
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res = locale->GetCategory(category, localeStr);
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}
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if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
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mLocale.Assign(localeStr); // cache locale name
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}
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return res;
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}
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// performs a locale sensitive date formatting operation on the time_t parameter
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nsresult nsDateTimeFormatMac::FormatTime(nsILocale* locale,
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const nsDateFormatSelector dateFormatSelector,
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const nsTimeFormatSelector timeFormatSelector,
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const time_t timetTime,
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nsAString& stringOut)
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{
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struct tm tmTime;
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return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, localtime_r(&timetTime, &tmTime), stringOut);
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}
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// performs a locale sensitive date formatting operation on the struct tm parameter
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nsresult nsDateTimeFormatMac::FormatTMTime(nsILocale* locale,
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const nsDateFormatSelector dateFormatSelector,
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const nsTimeFormatSelector timeFormatSelector,
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const struct tm* tmTime,
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nsAString& stringOut)
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{
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nsresult res = NS_OK;
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// set up locale data
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(void) Initialize(locale);
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// return, nothing to format
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if (dateFormatSelector == kDateFormatNone && timeFormatSelector == kTimeFormatNone) {
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stringOut.Truncate();
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return NS_OK;
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}
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NS_ASSERTION(tmTime->tm_mon >= 0, "tm is not set correctly");
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NS_ASSERTION(tmTime->tm_mday >= 1, "tm is not set correctly");
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NS_ASSERTION(tmTime->tm_hour >= 0, "tm is not set correctly");
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NS_ASSERTION(tmTime->tm_min >= 0, "tm is not set correctly");
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NS_ASSERTION(tmTime->tm_sec >= 0, "tm is not set correctly");
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NS_ASSERTION(tmTime->tm_wday >= 0, "tm is not set correctly");
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// Got the locale for the formatter:
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CFLocaleRef formatterLocale;
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if (!locale) {
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formatterLocale = CFLocaleCopyCurrent();
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} else {
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CFStringRef localeStr = CFStringCreateWithCharacters(nullptr,
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reinterpret_cast<const UniChar*>(mLocale.get()),
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mLocale.Length());
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formatterLocale = CFLocaleCreate(nullptr, localeStr);
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CFRelease(localeStr);
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}
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// Get the date style for the formatter:
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CFDateFormatterStyle dateStyle;
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switch (dateFormatSelector) {
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case kDateFormatLong:
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dateStyle = kCFDateFormatterLongStyle;
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break;
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case kDateFormatShort:
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dateStyle = kCFDateFormatterShortStyle;
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break;
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case kDateFormatYearMonth:
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case kDateFormatWeekday:
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dateStyle = kCFDateFormatterNoStyle; // formats handled below
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break;
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case kDateFormatNone:
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dateStyle = kCFDateFormatterNoStyle;
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break;
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default:
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NS_ERROR("Unknown nsDateFormatSelector");
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res = NS_ERROR_FAILURE;
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dateStyle = kCFDateFormatterNoStyle;
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}
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// Get the time style for the formatter:
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CFDateFormatterStyle timeStyle;
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switch (timeFormatSelector) {
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case kTimeFormatSeconds:
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case kTimeFormatSecondsForce24Hour: // 24 hour part fixed below
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timeStyle = kCFDateFormatterMediumStyle;
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break;
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case kTimeFormatNoSeconds:
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case kTimeFormatNoSecondsForce24Hour: // 24 hour part fixed below
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timeStyle = kCFDateFormatterShortStyle;
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break;
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case kTimeFormatNone:
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timeStyle = kCFDateFormatterNoStyle;
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break;
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default:
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NS_ERROR("Unknown nsTimeFormatSelector");
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res = NS_ERROR_FAILURE;
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timeStyle = kCFDateFormatterNoStyle;
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}
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// Create the formatter and fix up its formatting as necessary:
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CFDateFormatterRef formatter =
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CFDateFormatterCreate(nullptr, formatterLocale, dateStyle, timeStyle);
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CFRelease(formatterLocale);
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if (dateFormatSelector == kDateFormatYearMonth ||
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dateFormatSelector == kDateFormatWeekday) {
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CFStringRef dateFormat =
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dateFormatSelector == kDateFormatYearMonth ? CFSTR("yyyy/MM ") : CFSTR("EEE ");
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CFStringRef oldFormat = CFDateFormatterGetFormat(formatter);
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CFMutableStringRef newFormat = CFStringCreateMutableCopy(nullptr, 0, oldFormat);
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CFStringInsert(newFormat, 0, dateFormat);
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CFDateFormatterSetFormat(formatter, newFormat);
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CFRelease(newFormat); // note we don't own oldFormat
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}
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if (timeFormatSelector == kTimeFormatSecondsForce24Hour ||
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timeFormatSelector == kTimeFormatNoSecondsForce24Hour) {
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// Replace "h" with "H", and remove "a":
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CFStringRef oldFormat = CFDateFormatterGetFormat(formatter);
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CFMutableStringRef newFormat = CFStringCreateMutableCopy(nullptr, 0, oldFormat);
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CFIndex replaceCount = CFStringFindAndReplace(newFormat,
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CFSTR("h"), CFSTR("H"),
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CFRangeMake(0, CFStringGetLength(newFormat)),
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0);
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NS_ASSERTION(replaceCount <= 2, "Unexpected number of \"h\" occurrences");
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replaceCount = CFStringFindAndReplace(newFormat,
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CFSTR("a"), CFSTR(""),
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CFRangeMake(0, CFStringGetLength(newFormat)),
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0);
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NS_ASSERTION(replaceCount <= 1, "Unexpected number of \"a\" occurrences");
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CFDateFormatterSetFormat(formatter, newFormat);
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CFRelease(newFormat); // note we don't own oldFormat
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}
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// Now get the formatted date:
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CFGregorianDate date;
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date.second = tmTime->tm_sec;
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date.minute = tmTime->tm_min;
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date.hour = tmTime->tm_hour;
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date.day = tmTime->tm_mday; // Mac is 1-based, tm is 1-based
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date.month = tmTime->tm_mon + 1; // Mac is 1-based, tm is 0-based
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date.year = tmTime->tm_year + 1900;
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CFTimeZoneRef timeZone = CFTimeZoneCopySystem(); // tmTime is in local time
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CFAbsoluteTime absTime = CFGregorianDateGetAbsoluteTime(date, timeZone);
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CFRelease(timeZone);
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CFStringRef formattedDate = CFDateFormatterCreateStringWithAbsoluteTime(nullptr,
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formatter,
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absTime);
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CFIndex stringLen = CFStringGetLength(formattedDate);
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nsAutoTArray<UniChar, 256> stringBuffer;
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stringBuffer.SetLength(stringLen + 1);
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CFStringGetCharacters(formattedDate, CFRangeMake(0, stringLen), stringBuffer.Elements());
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stringOut.Assign(reinterpret_cast<char16_t*>(stringBuffer.Elements()), stringLen);
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CFRelease(formattedDate);
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CFRelease(formatter);
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return res;
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}
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// performs a locale sensitive date formatting operation on the PRTime parameter
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nsresult nsDateTimeFormatMac::FormatPRTime(nsILocale* locale,
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const nsDateFormatSelector dateFormatSelector,
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const nsTimeFormatSelector timeFormatSelector,
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const PRTime prTime,
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nsAString& stringOut)
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{
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PRExplodedTime explodedTime;
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PR_ExplodeTime(prTime, PR_LocalTimeParameters, &explodedTime);
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return FormatPRExplodedTime(locale, dateFormatSelector, timeFormatSelector, &explodedTime, stringOut);
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}
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// performs a locale sensitive date formatting operation on the PRExplodedTime parameter
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nsresult nsDateTimeFormatMac::FormatPRExplodedTime(nsILocale* locale,
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const nsDateFormatSelector dateFormatSelector,
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const nsTimeFormatSelector timeFormatSelector,
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const PRExplodedTime* explodedTime,
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nsAString& stringOut)
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{
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struct tm tmTime;
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memset( &tmTime, 0, sizeof(tmTime) );
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tmTime.tm_yday = explodedTime->tm_yday;
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tmTime.tm_wday = explodedTime->tm_wday;
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tmTime.tm_year = explodedTime->tm_year;
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tmTime.tm_year -= 1900;
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tmTime.tm_mon = explodedTime->tm_month;
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tmTime.tm_mday = explodedTime->tm_mday;
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tmTime.tm_hour = explodedTime->tm_hour;
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tmTime.tm_min = explodedTime->tm_min;
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tmTime.tm_sec = explodedTime->tm_sec;
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return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, &tmTime, stringOut);
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}
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