private ZDateTime ParseJustTime(string sdate, List <DateToken> tokens, ZTimeZone zone)
{
DateInfo idate = new DateInfo();
ParseTime(sdate, ref idate, tokens, 0);
return(CreateTime(ref idate, zone));
}
// Implementation
private ZDateTime ParseDateTime(string sdate, List <DateToken> tokens, ZTimeZone default_zone)
{
var len = tokens.Count;
if (len < 1)
{
throw new ArgumentException("failed to parse date, as unknown form: " + sdate);
}
// special-case, may be a timestamp
var first = tokens[0];
if (len == 1 && first.Type == DateToken.TType.NUMERIC)
{
long stamp = (long)first;
// determine whether YYYYMMDD date or whether timestamp
if (stamp > 19000000 && stamp < 90000000)
{
return(new ZDateTime((int)(stamp / 10000), (int)(stamp / 100) % 100, (int)stamp % 100, 0, 0, 0, 0, default_zone));
}
else
{
return(new ZDateTime(stamp, default_zone));
}
}
// otherwise straight date-time
else
{
DateInfo idate = new DateInfo();
int Itime = ParseDate(sdate, ref idate, tokens);
ParseTime(sdate, ref idate, tokens, Itime);
if (idate.Zone == null)
{
idate.Zone = default_zone;
}
return(CreateDateTime(ref idate));
}
}
/**
* Create time from given info, relative to current date
*/
private ZDateTime CreateTime(ref DateInfo info, ZTimeZone zone)
{
ZDateTime now = ZDateTime.TimeNowFor(zone);
return(new ZDateTime(now.Year, now.Month, Math.Max(now.Day, 1), info.Hours, info.Minutes, info.Seconds, info.Milliseconds, info.Zone));
}
// Functions
/// <summary>
/// Parse date/time string
/// </summary>
/// <param name='sdate'>
/// date.
/// </param>
/// <param name='default_zone'>
/// default time zone
/// </param>
public ZDateTime Parse(string sdate, ZTimeZone default_zone)
{
List <DateToken> tokens = _lexer.Parse(sdate);
return(ParseDateTime(sdate, tokens, default_zone));
}
