58 lines
1.5 KiB
C#
58 lines
1.5 KiB
C#
using Cryville.Common.Pdt;
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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namespace Cryville.Crtr {
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internal class RulesetInterpreter : PdtInterpreter<PdtRuleset> {
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public RulesetInterpreter(string src, Binder binder) : base(src, binder) { }
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readonly List<RulesetSelector> s = new List<RulesetSelector>();
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readonly List<string> a = new List<string>();
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protected override object InterpretKey(Type type) {
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if (type == typeof(Constraint)) {
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s.Clear(); a.Clear();
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string key = "";
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while (true) {
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int pp = Position;
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switch (cc) {
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case '@':
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GetChar();
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a.Add(GetIdentifier());
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key = null;
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break;
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case '$':
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GetChar();
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s.Add(new RulesetSelector.CreateItem());
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key = null;
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break;
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case '#':
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GetChar();
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s.Add(new RulesetSelector.Index());
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break;
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case '>':
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GetChar();
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s.Add(new RulesetSelector.Property(GetExp()));
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break;
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case ';':
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case ':':
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return new PropertyKey(a.Contains("var") ? PropertyType.Variable : PropertyType.Property, key);
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case '{':
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return new RulesetSelectors(s);
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case '}':
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return null;
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default:
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var p4 = GetIdentifier();
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s.Add(new RulesetSelector.EventType(p4));
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if (key != null) key += p4;
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break;
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}
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ws();
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if (Position == pp) throw new FormatException("Invalid selector or key format");
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}
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}
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else return base.InterpretKey(type);
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}
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}
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}
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