Exemplo n.º 1
0
static JSCell* formatLocaleDate(ExecState* exec, DateInstance*, double timeInMilliseconds, LocaleDateTimeFormat format)
{
    CFDateFormatterStyle dateStyle = (format != LocaleTime ? kCFDateFormatterLongStyle : kCFDateFormatterNoStyle);
    CFDateFormatterStyle timeStyle = (format != LocaleDate ? kCFDateFormatterLongStyle : kCFDateFormatterNoStyle);

    bool useCustomFormat = false;
    String customFormatString;

    String arg0String = exec->argument(0).toString(exec)->value(exec);
    if (arg0String == "custom" && !exec->argument(1).isUndefined()) {
        useCustomFormat = true;
        customFormatString = exec->argument(1).toString(exec)->value(exec);
    } else if (format == LocaleDateAndTime && !exec->argument(1).isUndefined()) {
        dateStyle = styleFromArgString(arg0String, dateStyle);
        timeStyle = styleFromArgString(exec->argument(1).toString(exec)->value(exec), timeStyle);
    } else if (format != LocaleTime && !exec->argument(0).isUndefined())
        dateStyle = styleFromArgString(arg0String, dateStyle);
    else if (format != LocaleDate && !exec->argument(0).isUndefined())
        timeStyle = styleFromArgString(arg0String, timeStyle);

    CFAbsoluteTime absoluteTime = floor(timeInMilliseconds / msPerSecond) - kCFAbsoluteTimeIntervalSince1970;

    auto formatter = adoptCF(CFDateFormatterCreate(kCFAllocatorDefault, adoptCF(CFLocaleCopyCurrent()).get(), dateStyle, timeStyle));
    if (useCustomFormat)
        CFDateFormatterSetFormat(formatter.get(), customFormatString.createCFString().get());
    return jsNontrivialString(exec, adoptCF(CFDateFormatterCreateStringWithAbsoluteTime(kCFAllocatorDefault, formatter.get(), absoluteTime)).get());
}
static JSCell* formatLocaleDate(ExecState* exec, DateInstance*, double timeInMilliseconds, LocaleDateTimeFormat format)
{
    CFDateFormatterStyle dateStyle = (format != LocaleTime ? kCFDateFormatterLongStyle : kCFDateFormatterNoStyle);
    CFDateFormatterStyle timeStyle = (format != LocaleDate ? kCFDateFormatterLongStyle : kCFDateFormatterNoStyle);

    bool useCustomFormat = false;
    UString customFormatString;

    UString arg0String = exec->argument(0).toString(exec);
    if (arg0String == "custom" && !exec->argument(1).isUndefined()) {
        useCustomFormat = true;
        customFormatString = exec->argument(1).toString(exec);
    } else if (format == LocaleDateAndTime && !exec->argument(1).isUndefined()) {
        dateStyle = styleFromArgString(arg0String, dateStyle);
        timeStyle = styleFromArgString(exec->argument(1).toString(exec), timeStyle);
    } else if (format != LocaleTime && !exec->argument(0).isUndefined())
        dateStyle = styleFromArgString(arg0String, dateStyle);
    else if (format != LocaleDate && !exec->argument(0).isUndefined())
        timeStyle = styleFromArgString(arg0String, timeStyle);

    CFLocaleRef locale = CFLocaleCopyCurrent();
    CFDateFormatterRef formatter = CFDateFormatterCreate(0, locale, dateStyle, timeStyle);
    CFRelease(locale);

    if (useCustomFormat) {
        CFStringRef customFormatCFString = CFStringCreateWithCharacters(0, customFormatString.characters(), customFormatString.length());
        CFDateFormatterSetFormat(formatter, customFormatCFString);
        CFRelease(customFormatCFString);
    }

    CFStringRef string = CFDateFormatterCreateStringWithAbsoluteTime(0, formatter, floor(timeInMilliseconds / msPerSecond) - kCFAbsoluteTimeIntervalSince1970);

    CFRelease(formatter);

    // We truncate the string returned from CFDateFormatter if it's absurdly long (> 200 characters).
    // That's not great error handling, but it just won't happen so it doesn't matter.
    UChar buffer[200];
    const size_t bufferLength = WTF_ARRAY_LENGTH(buffer);
    size_t length = CFStringGetLength(string);
    ASSERT(length <= bufferLength);
    if (length > bufferLength)
        length = bufferLength;
    CFStringGetCharacters(string, CFRangeMake(0, length), buffer);

    CFRelease(string);

    return jsNontrivialString(exec, UString(buffer, length));
}
Exemplo n.º 3
0
// 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;
}