internal ZhouyiHexagram(PatternsAndNumbers patterns,
int index, string name,
string text, string?applyNinesOrApplySixes,
ZhouyiTrigram lowerTrigram,
ZhouyiTrigram upperTrigram,
string[] lines)
{
this.Patterns = patterns;
this.Text = text;
this.Index = index;
this.Name = name;
var trigram = lowerTrigram.GetPainting();
this.FirstLine = new Line(this, 1, trigram[0], lines[0]);
this.SecondLine = new Line(this, 2, trigram[1], lines[1]);
this.ThirdLine = new Line(this, 3, trigram[2], lines[2]);
trigram = upperTrigram.GetPainting();
this.FourthLine = new Line(this, 4, trigram[0], lines[3]);
this.FifthLine = new Line(this, 5, trigram[1], lines[4]);
this.SixthLine = new Line(this, 6, trigram[2], lines[5]);
this.LowerTrigram = lowerTrigram;
this.UpperTrigram = upperTrigram;
if (applyNinesOrApplySixes is not null)
{
this.ApplyNinesOrApplySixes = new Line(this, 0, trigram[0], applyNinesOrApplySixes);
}
}
/// <summary>
/// 通过卦名获取经卦。
/// 如果有卦名重复，不保证顺序。
/// Get a trigram by its name.
/// If some trigrams' names are duplicate, the order is not guaranteed.
/// </summary>
/// <param name="name">
/// 卦名。
/// The name.
/// </param>
/// <param name="result">
/// 结果。
/// The result.
/// </param>
/// <returns>
/// 一个值，指示是否获取成功。
/// A value indicates whether the trigram has been found or not.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="name"/> 是 <c>null</c> 。
/// <paramref name="name"/> is <c>null</c>.
/// </exception>
public bool TryGetTrigram(string name, [MaybeNullWhen(false)] out ZhouyiTrigram result)
{
if (name is null)
{
throw new ArgumentNullException(nameof(name));
}
return(this.trigramsAndHexagrams.TryGetTrigramByName(name, out result));
}
