public static bool TryParseTimeString(string time, out CourseSectionTime result)
{
MatchCollection collection = timeStringRegex.Matches(time);
result = new CourseSectionTime();
List <CourseSectionTimeSpan> meetTimes = new List <CourseSectionTimeSpan>();
if (collection.Count > 0)
{
foreach (Match match in collection)
{
CourseSectionTimeSpan span;
DayOfWeek day;
switch (match.Groups["day"].ToString().ToLowerInvariant())
{
case "monday":
day = DayOfWeek.Monday;
break;
case "tuesday":
day = DayOfWeek.Tuesday;
break;
case "wednesday":
day = DayOfWeek.Wednesday;
break;
case "thursday":
day = DayOfWeek.Thursday;
break;
case "friday":
day = DayOfWeek.Friday;
break;
default:
return(false);
}
span.Day = day;
byte start, end;
if (!UTCourseSectionTimeSpan.TryParseTimeSpanInt(match.Groups["start"].ToString(), out start))
{
return(false);
}
if (!UTCourseSectionTimeSpan.TryParseTimeSpanInt(match.Groups["end"].ToString(), out end))
{
return(false);
}
meetTimes.Add(new CourseSectionTimeSpan(day, start, end));
}
result.MeetTimes = meetTimes;
return(true);
}
return(false);
}
public static bool TryParseRawTime(string raw, out CourseSectionTime time)
{
time = new CourseSectionTime();
if (raw.Equals("TBA"))
{
time.MeetTimes = new List <CourseSectionTimeSpan>();
time.TBA = true;
return(true);
}
if (!rawTimeRegex.IsMatch(raw))
{
return(false);
}
List <CourseSectionTimeSpan> spans = new List <CourseSectionTimeSpan>();
foreach (Capture capture in rawTimeRegex.Match(raw).Groups["span"].Captures)
{
CourseSectionTimeSpan span;
string rawSpan = capture.ToString();
if (!UTCourseSectionTimeSpan.TryParseRawTimeSpan(rawSpan, out span))
{
return(false);
}
// Correct the abbreviation form, e.g. TF9 => T9F9
if (span.Start != 0 || span.End != 0)
{
for (int i = 0; i < spans.Count; i++)
{
CourseSectionTimeSpan prevSpan = spans[i];
if (prevSpan.Start == 0 && prevSpan.End == 0)
{
prevSpan.Start = span.Start;
prevSpan.End = span.End;
}
spans[i] = prevSpan;
}
}
spans.Add(span);
}
time.MeetTimes = spans;
return(true);
}
public static bool TryParseRawTime(string time, out CourseSectionTime result)
{
if (time == "TBA")
{
result = new CourseSectionTime()
{
TBA = true
};
return(true);
}
Regex regex = new Regex("((?<day>(mo)|(tu)|(we)|(th)|(fr)) (?<start>[0-9][0-9]?:[0-9]{2}) (?<end>[0-9][0-9]?:[0-9]{2}))+", RegexOptions.Compiled | RegexOptions.IgnoreCase);
MatchCollection collection = regex.Matches(time);
result = new CourseSectionTime();
List <CourseSectionTimeSpan> meetTimes = new List <CourseSectionTimeSpan>();
if (collection.Count > 0)
{
foreach (Match match in collection)
{
CourseSectionTimeSpan span;
DayOfWeek day;
switch (match.Groups["day"].ToString().ToLowerInvariant())
{
case "mo":
day = DayOfWeek.Monday;
break;
case "tu":
day = DayOfWeek.Tuesday;
break;
case "we":
day = DayOfWeek.Wednesday;
break;
case "th":
day = DayOfWeek.Thursday;
break;
case "fr":
day = DayOfWeek.Friday;
break;
default:
return(false);
}
span.Day = day;
byte start, end;
if (!UTCourseSectionTimeSpan.TryParseTimeSpanInt(match.Groups["start"].ToString(), out start))
{
return(false);
}
if (!UTCourseSectionTimeSpan.TryParseTimeSpanInt(match.Groups["end"].ToString(), out end))
{
return(false);
}
meetTimes.Add(new CourseSectionTimeSpan(day, start, end));
}
result.MeetTimes = meetTimes;
return(true);
}
return(false);
}