/// <summary>
/// Combine a SDLDateTime (date only) with a TimeSpanWithZone to create
/// a date-time
/// </summary>
/// <param name="dc"></param>
/// <param name="tswz"></param>
/// <returns></returns>
private static SDLDateTime Combine(SDLDateTime dt,
TimeSpanWithZone tswz) {
return new SDLDateTime(dt.Year, dt.Month, dt.Day, tswz.Hours,
tswz.Minutes, tswz.Seconds, tswz.Milliseconds, tswz.TimeZone);
}
// This special parse method is used only by the Token class for
// tokens which are ambiguously either a TimeSpan or the time component
// of a date/time type
internal TimeSpanWithZone ParseTimeSpanWithZone(string text) {
int day = 0; // optional (not allowed for date_time)
int hour = 0; // mandatory
int minute = 0; // mandatory
int second = 0; // optional for date_time, mandatory for time span
int millisecond = 0; // optional
string timeZone = null;
string dateText = text;
int dashIndex = dateText.IndexOf('-', 1);
if (dashIndex != -1) {
timeZone = dateText.Substring(dashIndex + 1);
dateText = text.Substring(0, dashIndex);
}
string[] segments = dateText.Split(':');
// we know this is the time component of a date time type
// because the time zone has been set
if (timeZone != null) {
if (segments.Length < 2 || segments.Length > 3)
parser.ParseException("date/time format exception. Must " +
"use hh:mm(:ss)(.xxx)(-z)", line, position);
} else {
if (segments.Length < 2 || segments.Length > 4)
parser.ParseException("Time format exception. For time " +
"spans use (d:)hh:mm:ss(.xxx) and for the " +
"time component of a date/time type use " +
"hh:mm(:ss)(.xxx)(-z) If you use the day " +
"component of a time span make sure to " +
"prefix it with a lower case d", line,
position);
}
try {
if (segments.Length == 4) {
string dayString = segments[0];
if (!dayString.EndsWith("d"))
parser.ParseException("The day component of a time " +
"span must end with a lower case d", line,
position);
day = Convert.ToInt32(dayString.Substring(0,
dayString.Length - 1));
hour = Convert.ToInt32(segments[1]);
minute = Convert.ToInt32(segments[2]);
if (segments.Length == 4) {
String last = segments[3];
int dotIndex = last.IndexOf('.');
if (dotIndex == -1) {
second = Convert.ToInt32(last);
} else {
second =
Convert.ToInt32(
last.Substring(0, dotIndex));
String millis = last.Substring(dotIndex + 1);
if (millis.Length == 1)
millis = millis + "00";
else if (millis.Length == 2)
millis = millis + "0";
millisecond =
Convert.ToInt32(millis);
}
}
if (day < 0) {
hour = Parser.ReverseIfPositive(hour);
minute = Parser.ReverseIfPositive(minute);
second = Parser.ReverseIfPositive(second);
millisecond = Parser.ReverseIfPositive(millisecond);
}
} else {
hour = Convert.ToInt32(segments[0]);
minute = Convert.ToInt32(segments[1]);
if (segments.Length == 3) {
String last = segments[2];
int dotIndex = last.IndexOf(".");
if (dotIndex == -1) {
second = Convert.ToInt32(last);
} else {
second = Convert.ToInt32(last.Substring(0, dotIndex));
String millis = last.Substring(dotIndex + 1);
if (millis.Length == 1)
millis = millis + "00";
else if (millis.Length == 2)
millis = millis + "0";
millisecond = Convert.ToInt32(millis);
}
}
if (hour < 0) {
minute = Parser.ReverseIfPositive(minute);
second = Parser.ReverseIfPositive(second);
millisecond = Parser.ReverseIfPositive(millisecond);
}
}
} catch (FormatException fe) {
parser.ParseException("Time format: " + fe.Message, line,
position);
}
TimeSpanWithZone tswz = new TimeSpanWithZone(
day, hour, minute, second, millisecond, timeZone
);
return tswz;
}
