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