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[JA DateTimeV2] Merged refinements (#2950)
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* Merged refinements

* Fixed specs formatting

* Minor renamed variables according to review

Co-authored-by: aitelint <[email protected]>
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aitelint and aitelint authored May 16, 2022
1 parent 5ebfa9b commit 8c899a7
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Showing 23 changed files with 784 additions and 142 deletions.

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Expand Up @@ -56,6 +56,8 @@ public ChineseDurationExtractorConfiguration(IDateTimeOptionsConfiguration confi

public Dictionary<string, long> UnitValueMap { get; }

public Dictionary<Regex, Regex> AmbiguityDurationFiltersDict => null;

Regex ICJKDurationExtractorConfiguration.DurationUnitRegex => DurationUnitRegex;

Regex ICJKDurationExtractorConfiguration.DurationConnectorRegex => DurationConnectorRegex;
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2 changes: 2 additions & 0 deletions .NET/Microsoft.Recognizers.Text.DateTime/Constants.cs
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Expand Up @@ -53,6 +53,7 @@ public static class Constants

// AmPm time representation for time parser
public const string Comment_AmPm = "ampm";
public const string Comment_Am = "am";

// Prefix early/late for time parser
public const string Comment_Early = "early";
Expand Down Expand Up @@ -267,6 +268,7 @@ public static class Constants
public const string TimexFuzzyDay = "XX";
public const string DateTimexConnector = "-";
public const string TimeTimexConnector = ":";
public const string TimexSeparator = ",";
public const string GeneralPeriodPrefix = "P";
public const string TimeTimexPrefix = "T";

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Expand Up @@ -2,7 +2,8 @@
// Licensed under the MIT License.

using System.Collections.Generic;

using System.Linq;
using System.Text.RegularExpressions;
using Microsoft.Recognizers.Text.Utilities;
using DateObject = System.DateTime;

Expand Down Expand Up @@ -54,9 +55,32 @@ public List<ExtractResult> Extract(string source, DateObject referenceTime)
res = MergeMultipleDuration(source, res);
}

res = FilterAmbiguity(res, source);

return res;
}

private List<ExtractResult> FilterAmbiguity(List<ExtractResult> extractResults, string text)
{
if (this.config.AmbiguityDurationFiltersDict != null)
{
foreach (var regex in this.config.AmbiguityDurationFiltersDict)
{
foreach (var extractResult in extractResults)
{
if (regex.Key.IsMatch(text))
{
var matches = regex.Value.Matches(text).Cast<Match>();
extractResults = extractResults.Where(er => !matches.Any(m => m.Index < er.Start + er.Length && m.Index + m.Length > er.Start))
.ToList();
}
}
}
}

return extractResults;
}

private List<ExtractResult> MergeMultipleDuration(string text, List<ExtractResult> extractorResults)
{
if (extractorResults.Count <= 1)
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Expand Up @@ -129,6 +129,17 @@ private void AddMod(List<ExtractResult> ers, string text)
er.Metadata = AssignModMetadata(er.Metadata);
}

match = this.config.UntilRegex.MatchBegin(afterStr, trim: true);

if (match.Success)
{
var modLength = match.Index + match.Length;
er.Length += modLength;
er.Text = text.Substring(er.Start ?? 0, er.Length ?? 0);

er.Metadata = AssignModMetadata(er.Metadata);
}

match = this.config.SincePrefixRegex.MatchEnd(beforeStr, trim: true);

if (match.Success && AmbiguousRangeChecker(beforeStr, text, er))
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Expand Up @@ -32,5 +32,7 @@ public interface ICJKDurationExtractorConfiguration : IDateTimeOptionsConfigurat

Dictionary<string, long> UnitValueMap { get; }

Dictionary<Regex, Regex> AmbiguityDurationFiltersDict { get; }

}
}
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Expand Up @@ -6,8 +6,8 @@
using System.Globalization;
using System.Linq;
using System.Text.RegularExpressions;

using Microsoft.Recognizers.Definitions.Japanese;
using Microsoft.Recognizers.Definitions.Utilities;
using Microsoft.Recognizers.Text.NumberWithUnit;
using Microsoft.Recognizers.Text.NumberWithUnit.Japanese;

Expand Down Expand Up @@ -48,6 +48,8 @@ public JapaneseDurationExtractorConfiguration(IDateTimeOptionsConfiguration conf

UnitMap = DateTimeDefinitions.ParserConfigurationUnitMap.ToDictionary(k => k.Key, k => k.Value);
UnitValueMap = DateTimeDefinitions.DurationUnitValueMap;
AmbiguityDurationFiltersDict = DefinitionLoader.LoadAmbiguityFilters(DateTimeDefinitions.AmbiguityDurationFiltersDict);

}

public IExtractor InternalExtractor { get; }
Expand All @@ -56,6 +58,8 @@ public JapaneseDurationExtractorConfiguration(IDateTimeOptionsConfiguration conf

public Dictionary<string, long> UnitValueMap { get; }

public Dictionary<Regex, Regex> AmbiguityDurationFiltersDict { get; }

Regex ICJKDurationExtractorConfiguration.DurationUnitRegex => DurationUnitRegex;

Regex ICJKDurationExtractorConfiguration.DurationConnectorRegex => DurationConnectorRegex;
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Expand Up @@ -56,6 +56,8 @@ public KoreanDurationExtractorConfiguration(IDateTimeOptionsConfiguration config

public Dictionary<string, long> UnitValueMap { get; }

public Dictionary<Regex, Regex> AmbiguityDurationFiltersDict => null;

Regex ICJKDurationExtractorConfiguration.DurationUnitRegex => DurationUnitRegex;

Regex ICJKDurationExtractorConfiguration.DurationConnectorRegex => DurationConnectorRegex;
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Expand Up @@ -318,8 +318,9 @@ protected DateTimeResolutionResult ParseImplicitDate(string text, DateObject ref
// handle "明日から3週間" (3 weeks from tomorrow)
var durationResult = this.config.DurationExtractor.Extract(text, referenceDate);
var unitMatch = this.config.DurationRelativeDurationUnitRegex.Match(text);
var isWithin = this.config.DurationRelativeDurationUnitRegex.MatchEnd(text, trim: true).Groups[Constants.WithinGroupName].Success;

if (exactMatch.Success && unitMatch.Success && (durationResult.Count > 0) &&
if ((exactMatch.Success || isWithin) && unitMatch.Success && (durationResult.Count > 0) &&
string.IsNullOrEmpty(unitMatch.Groups["few"].Value))
{
var pr = this.config.DurationParser.Parse(durationResult[0], referenceDate);
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Expand Up @@ -158,6 +158,14 @@ private DateTimeResolutionResult MergeDateAndTime(string text, DateObject refere
var pastDate = (DateObject)((DateTimeResolutionResult)pr1.Value).PastValue;
var time = (DateObject)((DateTimeResolutionResult)pr2.Value).FutureValue;

// handle cases with time like 25時 which resolve to the next day
var timexHour = TimexUtility.ParseHourFromTimeTimex(pr2.TimexStr);
if (timexHour > Constants.DayHourCount)
{
futureDate = futureDate.AddDays(1);
pastDate = pastDate.AddDays(1);
}

var hour = time.Hour;
var min = time.Minute;
var sec = time.Second;
Expand All @@ -178,7 +186,6 @@ private DateTimeResolutionResult MergeDateAndTime(string text, DateObject refere
timeStr = timeStr.Substring(0, timeStr.Length - 4);
}

timeStr = "T" + hour.ToString("D2", CultureInfo.InvariantCulture) + timeStr.Substring(3);
ret.Timex = pr1.TimexStr + timeStr;

var val = (DateTimeResolutionResult)pr2.Value;
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Expand Up @@ -126,15 +126,31 @@ private DateTimeResolutionResult MergeDateAndTimePeriod(string text, DateObject
var futureDate = (DateObject)((DateTimeResolutionResult)pr1.Value).FutureValue;
var pastDate = (DateObject)((DateTimeResolutionResult)pr1.Value).PastValue;

// handle cases with time like 25時 which resolve to the next day
var swiftDay = 0;
var timexHours = TimexUtility.ParseHoursFromTimePeriodTimex(pr2.TimexStr);
if (timexHours.Item1 > Constants.DayHourCount)
{
pastDate = pastDate.AddDays(1);
futureDate = futureDate.AddDays(1);
}
else if (timexHours.Item2 > Constants.DayHourCount)
{
swiftDay++;
}

var pastDateAlt = pastDate.AddDays(swiftDay);
var futureDateAlt = futureDate.AddDays(swiftDay);

ret.FutureValue =
new Tuple<DateObject, DateObject>(
DateObject.MinValue.SafeCreateFromValue(futureDate.Year, futureDate.Month, futureDate.Day, beginTime.Hour, beginTime.Minute, beginTime.Second),
DateObject.MinValue.SafeCreateFromValue(futureDate.Year, futureDate.Month, futureDate.Day, endTime.Hour, endTime.Minute, endTime.Second));
DateObject.MinValue.SafeCreateFromValue(futureDateAlt.Year, futureDateAlt.Month, futureDateAlt.Day, endTime.Hour, endTime.Minute, endTime.Second));

ret.PastValue =
new Tuple<DateObject, DateObject>(
DateObject.MinValue.SafeCreateFromValue(pastDate.Year, pastDate.Month, pastDate.Day, beginTime.Hour, beginTime.Minute, beginTime.Second),
DateObject.MinValue.SafeCreateFromValue(pastDate.Year, pastDate.Month, pastDate.Day, endTime.Hour, endTime.Minute, endTime.Second));
DateObject.MinValue.SafeCreateFromValue(pastDateAlt.Year, pastDateAlt.Month, pastDateAlt.Day, endTime.Hour, endTime.Minute, endTime.Second));

ret.Timex = TimexUtility.GenerateSplitDateTimePeriodTimex(pr1.TimexStr, pr2.TimexStr);
ret.Success = !string.IsNullOrEmpty(ret.Timex);
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Expand Up @@ -79,12 +79,12 @@ public DateTimeResolutionResult PackTimeResult(DateTimeExtra<TimeType> extra, Ti
noDesc = false;
}

int hour = timeResult.Hour > 0 ? timeResult.Hour % Constants.DayHourCount : 0,
// Hours > 24 (e.g. 25時 which resolves to the next day) are kept unnormalized in the timex
// to avoid ambiguity in other entities. For example, "on the 30th at 25" is resolved to
// "XXXX-XX-30T25" because with "XXXX-XX-30+1T01" it is not known if the day should be "31" or "01".
int hour = timeResult.Hour > 0 && timeResult.Hour != Constants.DayHourCount ? timeResult.Hour : 0,
min = timeResult.Minute > 0 ? timeResult.Minute : 0,
second = timeResult.Second > 0 ? timeResult.Second : 0,
day = referenceTime.Day,
month = referenceTime.Month,
year = referenceTime.Year;
second = timeResult.Second > 0 ? timeResult.Second : 0;

var dateTimeResult = new DateTimeResolutionResult();

Expand All @@ -109,6 +109,18 @@ public DateTimeResolutionResult PackTimeResult(DateTimeExtra<TimeType> extra, Ti
build.Append(":" + second.ToString("D2", CultureInfo.InvariantCulture));
}

// handle cases with time like 25時 (the hour is normalized in the past/future values)
if (timeResult.Hour > Constants.DayHourCount)
{
hour = timeResult.Hour - Constants.DayHourCount;
referenceTime = referenceTime.AddDays(1);
if (noDesc)
{
dateTimeResult.Comment = Constants.Comment_Am;
noDesc = false;
}
}

if (noDesc && hour <= Constants.HalfDayHourCount)
{
// build.Append("ampm");
Expand All @@ -117,6 +129,7 @@ public DateTimeResolutionResult PackTimeResult(DateTimeExtra<TimeType> extra, Ti

dateTimeResult.Timex = build.ToString();

int day = referenceTime.Day, month = referenceTime.Month, year = referenceTime.Year;
dateTimeResult.FutureValue = dateTimeResult.PastValue =
DateObject.MinValue.SafeCreateFromValue(year, month, day, hour, min, second);
dateTimeResult.Success = true;
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Original file line number Diff line number Diff line change
Expand Up @@ -91,31 +91,50 @@ public static DateTimeResolutionResult Handle(IDateTimeParser timeParser, DateTi

int day = refTime.Day,
month = refTime.Month,
year = refTime.Year;
year = refTime.Year,
rightSwiftDay = 0,
leftSwiftDay = 0;

// determine if the right side time is smaller than the left side, if yes, add one day
int hour = leftResult.Hour > 0 ? leftResult.Hour : 0,
min = leftResult.Minute > 0 ? leftResult.Minute : 0,
second = leftResult.Second > 0 ? leftResult.Second : 0;

// handle cases with time like 25時 which resolve to the next day
if (hour > Constants.DayHourCount)
{
hour -= Constants.DayHourCount;
leftSwiftDay++;
}

var leftTime = DateObject.MinValue.SafeCreateFromValue(year, month, day, hour, min, second);

hour = rightResult.Hour > 0 ? rightResult.Hour : 0;
min = rightResult.Minute > 0 ? rightResult.Minute : 0;
second = rightResult.Second > 0 ? rightResult.Second : 0;

// handle cases with time like 25時 which resolve to the next day
if (hour > Constants.DayHourCount)
{
hour -= Constants.DayHourCount;
rightSwiftDay++;
}

var rightTime = DateObject.MinValue.SafeCreateFromValue(year, month, day, hour, min, second);

if (rightTime.Hour < leftTime.Hour)
if (rightResult.Hour < leftResult.Hour)
{
rightTime = rightTime.AddDays(1);
}

ret.FutureValue = ret.PastValue = new Tuple<DateObject, DateObject>(leftTime, rightTime);

var leftTimex = BuildTimex(leftResult);
var rightTimex = BuildTimex(rightResult);
ret.Timex = $"({leftTimex},{rightTimex},{BuildSpan(leftResult, rightResult)})";

leftTime = leftTime.AddDays(leftSwiftDay);
rightTime = rightTime.AddDays(rightSwiftDay);

ret.FutureValue = ret.PastValue = new Tuple<DateObject, DateObject>(leftTime, rightTime);
return ret;
}

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24 changes: 24 additions & 0 deletions .NET/Microsoft.Recognizers.Text.DateTime/Utilities/TimexUtility.cs
Original file line number Diff line number Diff line change
Expand Up @@ -569,6 +569,30 @@ public static float ParseNumberFromDurationTimex(string timex)
return float.Parse(numberStr);
}

public static int ParseHourFromTimeTimex(string timex)
{
var start = timex.IndexOf(Constants.TimeTimexPrefix) + 1;
var end = timex.IndexOf(Constants.TimeTimexConnector);
end = end > 0 ? end : timex.Length;
var hourStr = timex.Substring(start, end - start);
int.TryParse(hourStr, out int hour);

return hour;
}

public static Tuple<int, int> ParseHoursFromTimePeriodTimex(string timex)
{
int hour1 = 0, hour2 = 0;
var timeList = timex.Split(Constants.TimexSeparator[0]);
if (timeList.Length > 2)
{
hour1 = ParseHourFromTimeTimex(timeList[0]);
hour2 = ParseHourFromTimeTimex(timeList[1]);
}

return new Tuple<int, int>(hour1, hour2);
}

private static bool IsTimeDurationTimex(string timex)
{
return timex.StartsWith($"{Constants.GeneralPeriodPrefix}{Constants.TimeTimexPrefix}", StringComparison.Ordinal);
Expand Down
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