// Cases like "from 3:30 to 5" or "between 3:30am to 6pm", at least one of the time point contains colon
private DateTimeResolutionResult ParseSpecificTimeCases(string text, DateObject referenceTime)
{
var ret = new DateTimeResolutionResult();
int year = referenceTime.Year, month = referenceTime.Month, day = referenceTime.Day;
var trimmedText = text.Trim().ToLower();
// Handle cases like "from 4:30 to 5"
var match = config.SpecificTimeFromToRegex.Match(text);
if (!match.Success)
{
// Handle cases like "between 5:10 and 7"
match = config.SpecificTimeBetweenAndRegex.Match(text);
}
if (match.Success && match.Index == 0 && match.Index + match.Length == trimmedText.Length)
{
// Cases like "half past seven" are not handled here
if (match.Groups[Constants.PrefixGroupName].Success)
{
return(ret);
}
// Cases like "4" is different with "4:00" as the Timex is different "T04H" vs "T04H00M"
// Uses this invalidFlag to differentiate
int beginHour;
int invalidFlag = -1;
int beginMinute = invalidFlag;
int beginSecond = invalidFlag;
int endHour;
int endMinute = invalidFlag;
int endSecond = invalidFlag;
// Get time1 and time2
var hourGroup = match.Groups[Constants.HourGroupName];
var hourStr = hourGroup.Captures[0].Value;
if (config.Numbers.ContainsKey(hourStr))
{
beginHour = config.Numbers[hourStr];
}
else
{
beginHour = int.Parse(hourStr);
}
hourStr = hourGroup.Captures[1].Value;
if (config.Numbers.ContainsKey(hourStr))
{
endHour = config.Numbers[hourStr];
}
else
{
endHour = int.Parse(hourStr);
}
var time1StartIndex = match.Groups["time1"].Index;
var time1EndIndex = time1StartIndex + match.Groups["time1"].Length;
var time2StartIndex = match.Groups["time2"].Index;
var time2EndIndex = time2StartIndex + match.Groups["time2"].Length;
// Get beginMinute (if exists) and endMinute (if exists)
for (int i = 0; i < match.Groups[Constants.MinuteGroupName].Captures.Count; i++)
{
var minuteCapture = match.Groups[Constants.MinuteGroupName].Captures[i];
if (minuteCapture.Index >= time1StartIndex && minuteCapture.Index + minuteCapture.Length <= time1EndIndex)
{
beginMinute = int.Parse(minuteCapture.Value);
}
else if (minuteCapture.Index >= time2StartIndex && minuteCapture.Index + minuteCapture.Length <= time2EndIndex)
{
endMinute = int.Parse(minuteCapture.Value);
}
}
// Get beginSecond (if exists) and endSecond (if exists)
for (int i = 0; i < match.Groups[Constants.SecondGroupName].Captures.Count; i++)
{
var secondCapture = match.Groups[Constants.SecondGroupName].Captures[i];
if (secondCapture.Index >= time1StartIndex && secondCapture.Index + secondCapture.Length <= time1EndIndex)
{
beginSecond = int.Parse(secondCapture.Value);
}
else if (secondCapture.Index >= time2StartIndex && secondCapture.Index + secondCapture.Length <= time2EndIndex)
{
endSecond = int.Parse(secondCapture.Value);
}
}
// Desc here means descriptions like "am / pm / o'clock"
// Get leftDesc (if exists) and rightDesc (if exists)
var leftDesc = match.Groups["leftDesc"].Value;
var rightDesc = match.Groups["rightDesc"].Value;
for (int i = 0; i < match.Groups[Constants.DescGroupName].Captures.Count; i++)
{
var descCapture = match.Groups[Constants.DescGroupName].Captures[i];
if (descCapture.Index >= time1StartIndex && descCapture.Index + descCapture.Length <= time1EndIndex && string.IsNullOrEmpty(leftDesc))
{
leftDesc = descCapture.Value;
}
else if (descCapture.Index >= time2StartIndex && descCapture.Index + descCapture.Length <= time2EndIndex && string.IsNullOrEmpty(rightDesc))
{
rightDesc = descCapture.Value;
}
}
var beginDateTime = DateObject.MinValue.SafeCreateFromValue(year, month, day, beginHour, beginMinute >= 0 ? beginMinute : 0, beginSecond >= 0 ? beginSecond : 0);
var endDateTime = DateObject.MinValue.SafeCreateFromValue(year, month, day, endHour, endMinute >= 0 ? endMinute : 0, endSecond >= 0 ? endSecond : 0);
var hasLeftAm = !string.IsNullOrEmpty(leftDesc) && leftDesc.ToLower().StartsWith("a");
var hasLeftPm = !string.IsNullOrEmpty(leftDesc) && leftDesc.ToLower().StartsWith("p");
var hasRightAm = !string.IsNullOrEmpty(rightDesc) && rightDesc.ToLower().StartsWith("a");
var hasRightPm = !string.IsNullOrEmpty(rightDesc) && rightDesc.ToLower().StartsWith("p");
var hasLeft = hasLeftAm || hasLeftPm;
var hasRight = hasRightAm || hasRightPm;
// Both time point has description like 'am' or 'pm'
if (hasLeft && hasRight)
{
if (hasLeftAm)
{
if (beginHour >= Constants.HalfDayHourCount)
{
beginDateTime = beginDateTime.AddHours(-Constants.HalfDayHourCount);
}
}
else
{
if (beginHour < Constants.HalfDayHourCount)
{
beginDateTime = beginDateTime.AddHours(Constants.HalfDayHourCount);
}
}
if (hasRightAm)
{
if (endHour > Constants.HalfDayHourCount)
{
endDateTime = endDateTime.AddHours(-Constants.HalfDayHourCount);
}
}
else
{
if (endHour < Constants.HalfDayHourCount)
{
endDateTime = endDateTime.AddHours(Constants.HalfDayHourCount);
}
}
}
else if (hasLeft || hasRight)
{
// one of the time point has description like 'am' or 'pm'
if (hasLeftAm)
{
if (beginHour >= Constants.HalfDayHourCount)
{
beginDateTime = beginDateTime.AddHours(-Constants.HalfDayHourCount);
}
if (endHour < Constants.HalfDayHourCount)
{
if (endDateTime < beginDateTime)
{
endDateTime = endDateTime.AddHours(Constants.HalfDayHourCount);
}
}
}
else if (hasLeftPm)
{
if (beginHour < Constants.HalfDayHourCount)
{
beginDateTime = beginDateTime.AddHours(Constants.HalfDayHourCount);
}
if (endHour < Constants.HalfDayHourCount)
{
if (endDateTime < beginDateTime)
{
var span = beginDateTime - endDateTime;
endDateTime = endDateTime.AddHours(span.TotalHours >= Constants.HalfDayHourCount ?
24 :
Constants.HalfDayHourCount);
}
}
}
if (hasRightAm)
{
if (endHour >= Constants.HalfDayHourCount)
{
endDateTime = endDateTime.AddHours(-Constants.HalfDayHourCount);
}
if (beginHour < Constants.HalfDayHourCount)
{
if (endDateTime < beginDateTime)
{
beginDateTime = beginDateTime.AddHours(-Constants.HalfDayHourCount);
}
}
}
else if (hasRightPm)
{
if (endHour < Constants.HalfDayHourCount)
{
endDateTime = endDateTime.AddHours(Constants.HalfDayHourCount);
}
if (beginHour < Constants.HalfDayHourCount)
{
if (endDateTime < beginDateTime)
{
beginDateTime = beginDateTime.AddHours(-Constants.HalfDayHourCount);
}
else
{
var span = endDateTime - beginDateTime;
if (span.TotalHours > Constants.HalfDayHourCount)
{
beginDateTime = beginDateTime.AddHours(Constants.HalfDayHourCount);
}
}
}
}
}
// No 'am' or 'pm' indicator
else if (beginHour <= Constants.HalfDayHourCount && endHour <= Constants.HalfDayHourCount)
{
if (beginHour > endHour)
{
if (beginHour == Constants.HalfDayHourCount)
{
beginDateTime = beginDateTime.AddHours(-Constants.HalfDayHourCount);
}
else
{
endDateTime = endDateTime.AddHours(Constants.HalfDayHourCount);
}
}
ret.Comment = Constants.Comment_AmPm;
}
if (endDateTime < beginDateTime)
{
endDateTime = endDateTime.AddHours(24);
}
var beginStr = FormatUtil.ShortTime(beginDateTime.Hour, beginMinute, beginSecond);
var endStr = FormatUtil.ShortTime(endDateTime.Hour, endMinute, endSecond);
ret.Success = true;
ret.Timex = $"({beginStr},{endStr},{FormatUtil.LuisTimeSpan(endDateTime - beginDateTime)})";
ret.FutureValue = ret.PastValue = new Tuple <DateObject, DateObject>(
beginDateTime,
endDateTime);
ret.SubDateTimeEntities = new List <object>();
// In SplitDateAndTime mode, time points will be get from these SubDateTimeEntities
// Cases like "from 4 to 5pm", "4" should not be treated as SubDateTimeEntity
if (hasLeft || beginMinute != invalidFlag || beginSecond != invalidFlag)
{
var er = new ExtractResult()
{
Start = time1StartIndex,
Length = time1EndIndex - time1StartIndex,
Text = text.Substring(time1StartIndex, time1EndIndex - time1StartIndex),
Type = $"{Constants.SYS_DATETIME_TIME}"
};
var pr = this.config.TimeParser.Parse(er, referenceTime);
ret.SubDateTimeEntities.Add(pr);
}
// Cases like "from 4am to 5", "5" should not be treated as SubDateTimeEntity
if (hasRight || endMinute != invalidFlag || endSecond != invalidFlag)
{
var er = new ExtractResult
{
Start = time2StartIndex,
Length = time2EndIndex - time2StartIndex,
Text = text.Substring(time2StartIndex, time2EndIndex - time2StartIndex),
Type = $"{Constants.SYS_DATETIME_TIME}"
};
var pr = this.config.TimeParser.Parse(er, referenceTime);
ret.SubDateTimeEntities.Add(pr);
}
ret.Success = true;
}
return(ret);
}