internal ResultCode LoadTimeZoneRules(out TimeZoneRule outRules, string locationName)
{
outRules = new TimeZoneRule
{
Ats = new long[TzMaxTimes],
Types = new byte[TzMaxTimes],
Ttis = new TimeTypeInfo[TzMaxTypes],
Chars = new char[TzCharsArraySize]
};
if (!IsLocationNameValid(locationName))
{
return(ResultCode.TimeZoneNotFound);
}
if (!HasTimeZoneBinaryTitle())
{
// If the user doesn't have the system archives, we generate a POSIX rule string and parse it to generate a incomplete TimeZoneRule
// TODO: As for now not having system archives is fine, we should enforce the usage of system archives later.
Logger.PrintWarning(LogClass.ServiceTime, "TimeZoneBinary system archive not found! Time conversions will not be accurate!");
try
{
TimeZoneInfo info = TZConvert.GetTimeZoneInfo(locationName);
string posixRule = PosixTimeZone.FromTimeZoneInfo(info);
if (!TimeZone.ParsePosixName(posixRule, out outRules))
{
return(ResultCode.TimeZoneConversionFailed);
}
return(0);
}
catch (TimeZoneNotFoundException)
{
Logger.PrintWarning(LogClass.ServiceTime, $"Timezone not found for string: {locationName})");
return(ResultCode.TimeZoneNotFound);
}
}
else
{
using (IStorage ncaFileStream = new LocalStorage(_device.FileSystem.SwitchPathToSystemPath(GetTimeZoneBinaryTitleContentPath()), FileAccess.Read, FileMode.Open))
{
Nca nca = new Nca(_device.System.KeySet, ncaFileStream);
IFileSystem romfs = nca.OpenFileSystem(NcaSectionType.Data, _device.System.FsIntegrityCheckLevel);
Stream tzIfStream = romfs.OpenFile($"zoneinfo/{locationName}", OpenMode.Read).AsStream();
if (!TimeZone.LoadTimeZoneRules(out outRules, tzIfStream))
{
return(ResultCode.TimeZoneConversionFailed);
}
}
return(0);
}
}