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feat(lisp): add string comparison methods.

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redxef 2024-11-19 21:57:34 +01:00
parent 1b0c5455dd
commit 8371dc8536
Signed by: redxef
GPG key ID: 7DAC3AA211CBD921
2 changed files with 33 additions and 4 deletions
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26
Jellyfin.Plugin.SmartPlaylist/Lisp/Expression.cs
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@ -157,11 +157,35 @@ namespace Jellyfin.Plugin.SmartPlaylist.Lisp {
return new List<Expression>();
}
}
public class String: Scalar<string> {
public class String: Scalar<string>, ISortable<String, Boolean> {
public String(string value) : base(value) {}
public override string? ToString() {
return $"\"{base.ToString()}\"";
}
public static Boolean operator <(String a, String b) {
return (a.Value().CompareTo(b.Value()) < 0) ? Boolean.TRUE : Boolean.FALSE;
}
public static Boolean operator >(String a, String b) {
return b < a;
}
public static Boolean operator <=(String a, String b) {
return (a.Value().CompareTo(b.Value()) <= 0) ? Boolean.TRUE : Boolean.FALSE;
}
public static Boolean operator >=(String a, String b) {
return b <= a;
}
public override int GetHashCode() {
return base.GetHashCode();
}
public override bool Equals(object? other) {
return base.Equals(other);
}
public static Boolean operator ==(String a, String b) {
return (a._value == b._value) ? Boolean.TRUE : Boolean.FALSE;
}
public static Boolean operator !=(String a, String b) {
return (a._value != b._value) ? Boolean.TRUE : Boolean.FALSE;
}
}
public class Cons: Expression {
public Expression Item1;

11
Jellyfin.Plugin.SmartPlaylist/Lisp/Interpreter.cs
View file

@ -127,16 +127,21 @@ namespace Jellyfin.Plugin.SmartPlaylist.Lisp {
this["/"] = (x) => _agg((Integer a, Integer b) => a / b, x);
this["%"] = (x) => _agg((Integer a, Integer b) => a % b, x);
this["="] = (x) => _cmp((Integer a, Integer b) => a == b, x);
this["eq?"] = (x) => _cmp((Integer a, Integer b) => a == b, x);
this["="] = (x) => _cmp((Atom a, Atom b) => (a == b)? Boolean.TRUE : Boolean.FALSE, x);
this["!="] = (x) => _cmp((Atom a, Atom b) => (a != b)? Boolean.TRUE : Boolean.FALSE, x);
this["<"] = (x) => _cmp((Integer a, Integer b) => a < b, x);
this["<="] = (x) => _cmp((Integer a, Integer b) => a <= b, x);
this[">"] = (x) => _cmp((Integer a, Integer b) => a > b, x);
this[">="] = (x) => _cmp((Integer a, Integer b) => a >= b, x);
this["!="] = (x) => _cmp((Integer a, Integer b) => a != b, x);
this["not"] = (x) => {
return (x.First() == Boolean.FALSE) ? Boolean.TRUE : Boolean.FALSE;
};
this["string="] = (x) => _cmp((String a, String b) => a == b, x);
this["string!="] = (x) => _cmp((String a, String b) => a != b, x);
this["string>"] = (x) => _cmp((String a, String b) => a > b, x);
this["string>="] = (x) => _cmp((String a, String b) => a >= b, x);
this["string<"] = (x) => _cmp((String a, String b) => a < b, x);
this["string<="] = (x) => _cmp((String a, String b) => a <= b, x);
this["haskeys"] = _haskeys;