public void ChineseSolarTermToDateTime()
{
for (var i = 285; i < 360; i += 15)
{
Debug.WriteLine(OnSolarTerm.The(i).ToDateTime(2018).ToString("dd MM yyyy - HH:00:00"));
}
for (var i = 0; i < 285; i += 15)
{
Debug.WriteLine(OnSolarTerm.The(i).ToDateTime(2018).ToString("dd MM yyyy - HH:00:00"));
}
}
/// <summary>
/// Méthode de parsing d'une expression.
/// </summary>
/// <param name="expression">Expression à parser.</param>
/// <param name="year">Année.</param>
/// <returns>Un <see cref="ParserResult"/> correspondant.</returns>
public override ParserResult Parse(string expression, int year)
{
int GetLeapCorrection(int element, int animal)
{
return(animal.IsEven() ?
animal <= (2 * element) ?
1
: 61
: animal <= (2 * element) + 1 ?
7
: 67);
}
var result = new ParserResult();
var regex = new Regex(Pattern.ToString());
var match = regex.Match(expression);
if (match.Success)
{
var solarTerm = OnSolarTerm.The(int.Parse(match.Groups["Degrees"].Value));
var calculatedYear = year;
if (match.Groups["Cycle"].Value.IsNotNullOrEmpty() && match.Groups["Element"].Value.IsNotNullOrEmpty() && match.Groups["Animal"].Value.IsNotNullOrEmpty())
{
/*
* Cas d'une date particulière. l'année passée en paramètre ne nous sert pas, on la calcule avec le cycle, l'élément et l'animal.
* */
var cycle = int.Parse(match.Groups["Cycle"].Value);
var element = (ChineseElement)Enum.Parse(typeof(ChineseElement), match.Groups["Element"].Value, true);
var animal = (ChineseZodiac)Enum.Parse(typeof(ChineseZodiac), match.Groups["Animal"].Value, true);
var leapCorrection = GetLeapCorrection((int)element, (int)animal);
calculatedYear = (12 * (int)element) - (5 * (int)animal) + leapCorrection + (60 * cycle) - 2757;
}
var date = solarTerm.ToDateTime(calculatedYear);
if (match.Groups["Day"].Value.IsNotNullOrEmpty())
{
date = date + int.Parse(match.Groups["Day"].Value).Days() - 1.Days();
}
result.DatesToAdd.Add(date);
}
return(result);
}
