113 lines
3.3 KiB
C#
113 lines
3.3 KiB
C#
using Cryville.Common;
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using Cryville.Common.Pdt;
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using Cryville.Crtr.Components;
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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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public class SkinInterpreter : PdtInterpreter {
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public SkinInterpreter(string src, Binder binder) : base(src, typeof(PdtSkin), binder) { }
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readonly List<SkinSelector> s = new List<SkinSelector>();
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readonly HashSet<string> a = new HashSet<string>();
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readonly List<string> k = new List<string>(2);
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protected override object InterpretKey(Type type) {
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if (!typeof(SkinElement).IsAssignableFrom(type)) {
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return base.InterpretKey(type);
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}
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s.Clear(); a.Clear(); k.Clear();
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bool invalidKeyFlag = false, compKeyFlag = false;
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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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break;
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case '$':
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GetChar();
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s.Add(new SkinSelector.CreateObject());
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invalidKeyFlag = true;
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break;
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case '.':
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GetChar();
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if (cc == '.') {
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GetChar();
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s.Add(new SkinSelector.AtAnchor(GetIdentifier()));
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invalidKeyFlag = true;
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}
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else {
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var p3 = GetIdentifier();
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s.Add(new SkinSelector.Anchor(p3));
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if (!invalidKeyFlag) {
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if (k.Count != 1) invalidKeyFlag = true;
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else k.Add(p3);
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}
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}
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break;
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case '>':
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GetChar();
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s.Add(new SkinSelector.Property(GetExp()));
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break;
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case ';':
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case ':':
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if (invalidKeyFlag) throw new FormatException("Invalid key format");
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if (a.Contains("has")) {
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if (k.Count != 1) throw new FormatException("Invalid anchor name");
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return new SkinPropertyKey.CreateAnchor {
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Name = IdentifierManager.SharedInstance.Request(k[0])
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};
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}
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else if (a.Contains("at")) {
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if (k.Count != 1) throw new FormatException("Invalid anchor name");
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return new SkinPropertyKey.SetAnchor {
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Name = IdentifierManager.SharedInstance.Request(k[0])
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};
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}
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switch (k.Count) {
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case 1:
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if (compKeyFlag) return new SkinPropertyKey.CreateComponent {
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Component = GetComponentByName(k[0])
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};
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else return new SkinPropertyKey.SetProperty {
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Component = typeof(TransformInterface),
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Name = IdentifierManager.SharedInstance.Request(k[0])
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};
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case 2:
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return new SkinPropertyKey.SetProperty {
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Component = GetComponentByName(k[0]),
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Name = IdentifierManager.SharedInstance.Request(k[1])
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};
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default:
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throw new FormatException("Unknown error"); // Unreachable
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}
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case '{':
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return new SkinSelectors(s, a);
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case '}':
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throw new FormatException("Invalid token");
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case '*':
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GetChar();
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compKeyFlag = true;
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break;
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default:
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var p4 = GetIdentifier();
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s.Add(new SkinSelector.ElementType(p4));
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if (!invalidKeyFlag) {
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if (k.Count != 0) invalidKeyFlag = true;
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else k.Add(p4);
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}
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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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static Type GetComponentByName(string name) {
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Type result;
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if (GenericResources.Components.TryGetValue(name, out result)) return result;
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throw new ArgumentException(string.Format("Component type \"{0}\" not found", name));
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}
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}
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}
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