private static (string, string) EvalConvertFromUTC(object utcTimestamp, string timezone, string format, CultureInfo locale) { string error = null; string result = null; var utcDt = DateTime.UtcNow; object parsed = null; object convertedTimeZone = null; (parsed, error) = FunctionUtils.NormalizeToDateTime(utcTimestamp); if (error == null) { utcDt = ((DateTime)parsed).ToUniversalTime(); } if (error == null) { (convertedTimeZone, error) = FunctionUtils.ConvertTimeZoneFormat(timezone); if (error == null) { var convertedDateTime = TimeZoneInfo.ConvertTimeFromUtc(utcDt, (TimeZoneInfo)convertedTimeZone); (result, error) = FunctionUtils.ReturnFormatTimeStampStr(convertedDateTime, format, locale); } } return(result, error); }
private static (string, string) EvalConvertToUTC(object sourceTimestamp, string sourceTimezone, string format) { string error = null; string result = null; var srcDt = DateTime.UtcNow; try { if (sourceTimestamp is string st) { srcDt = DateTime.Parse(st); } else { srcDt = (DateTime)sourceTimestamp; } } catch { error = $"illegal time-stamp representation {sourceTimestamp}"; } if (error == null) { object convertedTimeZone; (convertedTimeZone, error) = FunctionUtils.ConvertTimeZoneFormat(sourceTimezone); if (error == null) { var convertedDateTime = TimeZoneInfo.ConvertTimeToUtc(srcDt, (TimeZoneInfo)convertedTimeZone); (result, error) = FunctionUtils.ReturnFormatTimeStampStr(convertedDateTime, format); } } return(result, error); }
private static (string, string) EvalConvertToUtc(object sourceTimestamp, string sourceTimezone, string format) { string error = null; string result = null; var srcDt = DateTime.UtcNow; try { if (sourceTimestamp is string st) { srcDt = DateTime.Parse(st, CultureInfo.InvariantCulture); } else { srcDt = (DateTime)sourceTimestamp; } } #pragma warning disable CA1031 // Do not catch general exception types (we should probably do something about this but ignoring it for not) catch #pragma warning restore CA1031 // Do not catch general exception types { error = $"illegal time-stamp representation {sourceTimestamp}"; } if (error == null) { object convertedTimeZone; (convertedTimeZone, error) = FunctionUtils.ConvertTimeZoneFormat(sourceTimezone); if (error == null) { var convertedDateTime = TimeZoneInfo.ConvertTimeToUtc(srcDt, (TimeZoneInfo)convertedTimeZone); (result, error) = FunctionUtils.ReturnFormatTimeStampStr(convertedDateTime, format); } } return(result, error); }
private static (object value, string error) Evaluator(Expression expression, IMemory state, Options options) { TimexProperty parsed = null; string result = null; string error = null; var(validYear, validMonth, validDay) = (0, 0, 0); var currentUtcTime = DateTime.UtcNow; var convertedDateTime = currentUtcTime; IReadOnlyList <object> args; (args, error) = FunctionUtils.EvaluateChildren(expression, state, options); if (error == null) { (parsed, error) = FunctionUtils.ParseTimexProperty(args[0]); } if (error == null) { if (parsed.Year != null || parsed.Month == null || parsed.DayOfMonth == null) { error = $"{args[0]} must be a timex string which only contains month and day-of-month, for example: 'XXXX-10-31'."; } } if (error == null) { if (args.Count == 2 && args[1] is string timezone) { object convertedTimeZone = null; (convertedTimeZone, error) = FunctionUtils.ConvertTimeZoneFormat(timezone); if (error == null) { convertedDateTime = TimeZoneInfo.ConvertTimeFromUtc(currentUtcTime, (TimeZoneInfo)convertedTimeZone); } } else { convertedDateTime = currentUtcTime.ToLocalTime(); } } if (error == null) { var(year, month, day) = (convertedDateTime.Year, convertedDateTime.Month, convertedDateTime.Day); if (parsed.Month <= month || (parsed.Month == month && parsed.DayOfMonth < day)) { validYear = year; } else { validYear = year - 1; } validMonth = parsed.Month ?? 0; validDay = parsed.DayOfMonth ?? 0; if (validMonth == 2 && validDay == 29) { while (!DateTime.IsLeapYear(validYear)) { validYear -= 1; } } result = TimexProperty.FromDate(new DateTime(validYear, validMonth, validDay)).TimexValue; } return(result, error); }
private static (object value, string error) Evaluator(Expression expression, IMemory state, Options options) { TimexProperty parsed = null; string result = null; string error = null; var(validHour, validMinute, validSecond) = (0, 0, 0); IReadOnlyList <object> args; var formatRegex = new Regex("TXX:[0-5][0-9]:[0-5][0-9]"); var currentUtcTime = DateTime.UtcNow; var convertedDateTime = currentUtcTime; (args, error) = FunctionUtils.EvaluateChildren(expression, state, options); if (error == null) { if (!formatRegex.IsMatch(args[0] as string)) { error = $"{args[0]} must be a timex string which only contains minutes and seconds, for example: 'TXX:15:28'"; } } if (error == null) { if (args.Count == 2 && args[1] is string timezone) { object convertedTimeZone = null; (convertedTimeZone, error) = FunctionUtils.ConvertTimeZoneFormat(timezone); if (error == null) { convertedDateTime = TimeZoneInfo.ConvertTimeFromUtc(currentUtcTime, (TimeZoneInfo)convertedTimeZone); } } else { convertedDateTime = currentUtcTime.ToLocalTime(); } } if (error == null) { (parsed, error) = FunctionUtils.ParseTimexProperty((args[0] as string).Replace("XX", "00")); } if (error == null) { var(hour, minute, second) = (convertedDateTime.Hour, convertedDateTime.Minute, convertedDateTime.Second); if (parsed.Minute < minute || (parsed.Minute == minute && parsed.Second < second)) { validHour = hour; } else { validHour = hour - 1; } if (validHour < 0) { validHour += 24; } validMinute = parsed.Minute ?? 0; validSecond = parsed.Second ?? 0; result = TimexProperty.FromTime(new Time(validHour, validMinute, validSecond)).TimexValue; } return(result, error); }