Пример #1
0
        // parse a regex match which includes 'day', 'month' and 'year' (optional) group
        protected DateTimeResolutionResult Match2Date(Match match, DateObject referenceDate)
        {
            var ret = new DateTimeResolutionResult();

            var monthStr = match.Groups["month"].Value;
            var dayStr = match.Groups["day"].Value;
            var yearStr = match.Groups["year"].Value;
            var yearCJKStr = match.Groups[Constants.YearCJKGroupName].Value;
            int month = 0, day = 0, year = 0;

            var tmp = ConvertCJKYearToInteger(yearCJKStr);

            year = tmp == -1 ? 0 : tmp;

            if (this.config.MonthOfYear.ContainsKey(monthStr) && this.config.DayOfMonth.ContainsKey(dayStr))
            {
                month = this.config.MonthOfYear[monthStr] > 12 ? this.config.MonthOfYear[monthStr] % 12 : this.config.MonthOfYear[monthStr];
                day   = this.config.DayOfMonth[dayStr] > 31 ? this.config.DayOfMonth[dayStr] % 31 : this.config.DayOfMonth[dayStr];
                if (!string.IsNullOrEmpty(yearStr))
                {
                    year = int.Parse(yearStr, CultureInfo.InvariantCulture);
                    if (year < 100 && year >= Constants.MinTwoDigitYearPastNum)
                    {
                        year += Constants.BASE_YEAR_PAST_CENTURY;
                    }
                    else if (year >= 0 && year < Constants.MaxTwoDigitYearFutureNum)
                    {
                        year += Constants.BASE_YEAR_CURRENT_CENTURY;
                    }
                }
            }

            var noYear = false;

            if (year == 0)
            {
                year      = referenceDate.Year;
                ret.Timex = DateTimeFormatUtil.LuisDate(-1, month, day);
                noYear    = true;
            }
            else
            {
                ret.Timex = DateTimeFormatUtil.LuisDate(year, month, day);
            }

            var futurePastDates = DateContext.GenerateDates(noYear, referenceDate, year, month, day);

            ret.FutureValue = futurePastDates.future;
            ret.PastValue   = futurePastDates.past;
            ret.Success     = true;

            return(ret);
        }
Пример #2
0
        // Parse a regex match which includes 'day', 'month' and 'year' (optional) group
        private DateTimeResolutionResult Match2Date(Match match, DateObject referenceDate, string relativeStr)
        {
            var ret = new DateTimeResolutionResult();
            int month = 0, day = 0, year = 0;

            var monthStr         = match.Groups["month"].Value;
            var dayStr           = match.Groups["day"].Value;
            var weekdayStr       = match.Groups["weekday"].Value;
            var yearStr          = match.Groups["year"].Value;
            var writtenYear      = match.Groups["fullyear"].Value;
            var ambiguousCentury = false;

            if (this.config.MonthOfYear.ContainsKey(monthStr) && this.config.DayOfMonth.ContainsKey(dayStr))
            {
                month = this.config.MonthOfYear[monthStr];
                day   = this.config.DayOfMonth[dayStr];

                if (!string.IsNullOrEmpty(writtenYear))
                {
                    year = this.config.DateExtractor.GetYearFromText(match);
                }
                else if (!string.IsNullOrEmpty(yearStr))
                {
                    year = int.Parse(yearStr, CultureInfo.InvariantCulture);
                    if (year < 100 && year >= Constants.MinTwoDigitYearPastNum)
                    {
                        year += Constants.BASE_YEAR_PAST_CENTURY;
                    }
                    else if (year >= 0 && year < Constants.MaxTwoDigitYearFutureNum)
                    {
                        year += Constants.BASE_YEAR_CURRENT_CENTURY;
                    }
                    else if (year >= Constants.MaxTwoDigitYearFutureNum && year < Constants.MinTwoDigitYearPastNum)
                    {
                        // Two-digit years in the range [30, 40) are ambiguos
                        ambiguousCentury = true;
                    }
                }
            }

            var noYear = false;

            if (year == 0)
            {
                year = referenceDate.Year;
                if (!string.IsNullOrEmpty(relativeStr))
                {
                    var swift = this.config.GetSwiftMonthOrYear(relativeStr);

                    // @TODO Improve handling of next/last in particular cases "next friday 5/12" when the next friday is not 5/12.
                    if (!string.IsNullOrEmpty(weekdayStr))
                    {
                        swift = 0;
                    }

                    year += swift;
                }
                else
                {
                    noYear = true;
                }

                ret.Timex = DateTimeFormatUtil.LuisDate(-1, month, day);
            }
            else
            {
                ret.Timex = DateTimeFormatUtil.LuisDate(year, month, day);
            }

            var futurePastDates = DateContext.GenerateDates(noYear, referenceDate, year, month, day);

            ret.FutureValue = futurePastDates.future;
            ret.PastValue   = futurePastDates.past;
            ret.Success     = true;

            // Ambiguous two-digit years are assigned values in both centuries (e.g. 35 -> 1935, 2035)
            if (ambiguousCentury)
            {
                ret.PastValue   = futurePastDates.past.AddYears(Constants.BASE_YEAR_PAST_CENTURY);
                ret.FutureValue = futurePastDates.future.AddYears(Constants.BASE_YEAR_CURRENT_CENTURY);
                ret.Timex       = TimexUtility.ModifyAmbiguousCenturyTimex(ret.Timex);
            }

            return(ret);
        }
Пример #3
0
        // Parse a regex match which includes 'day', 'month' and 'year' (optional) group
        private DateTimeResolutionResult Match2Date(Match match, DateObject referenceDate, string relativeStr)
        {
            var ret = new DateTimeResolutionResult();
            int month = 0, day = 0, year = 0;

            var monthStr    = match.Groups["month"].Value;
            var dayStr      = match.Groups["day"].Value;
            var weekdayStr  = match.Groups["weekday"].Value;
            var yearStr     = match.Groups["year"].Value;
            var writtenYear = match.Groups["fullyear"].Value;

            if (this.config.MonthOfYear.ContainsKey(monthStr) && this.config.DayOfMonth.ContainsKey(dayStr))
            {
                month = this.config.MonthOfYear[monthStr];
                day   = this.config.DayOfMonth[dayStr];

                if (!string.IsNullOrEmpty(writtenYear))
                {
                    year = this.config.DateExtractor.GetYearFromText(match);
                }
                else if (!string.IsNullOrEmpty(yearStr))
                {
                    year = int.Parse(yearStr, CultureInfo.InvariantCulture);
                    if (year < 100 && year >= Constants.MinTwoDigitYearPastNum)
                    {
                        year += 1900;
                    }
                    else if (year >= 0 && year < Constants.MaxTwoDigitYearFutureNum)
                    {
                        year += 2000;
                    }
                }
            }

            var noYear = false;

            if (year == 0)
            {
                year = referenceDate.Year;
                if (!string.IsNullOrEmpty(relativeStr))
                {
                    var swift = this.config.GetSwiftMonthOrYear(relativeStr);

                    // @TODO Improve handling of next/last in particular cases "next friday 5/12" when the next friday is not 5/12.
                    if (!string.IsNullOrEmpty(weekdayStr))
                    {
                        swift = 0;
                    }

                    year += swift;
                }
                else
                {
                    noYear = true;
                }

                ret.Timex = DateTimeFormatUtil.LuisDate(-1, month, day);
            }
            else
            {
                ret.Timex = DateTimeFormatUtil.LuisDate(year, month, day);
            }

            var futurePastDates = DateContext.GenerateDates(noYear, referenceDate, year, month, day);

            ret.FutureValue = futurePastDates.future;
            ret.PastValue   = futurePastDates.past;
            ret.Success     = true;

            return(ret);
        }