Files
crtr/Assets/Cryville/Crtr/PdtBinder.cs
2023-02-15 15:34:27 +08:00

92 lines
3.1 KiB
C#

using Cryville.Common;
using Cryville.Common.Pdt;
using System;
using System.Globalization;
using System.Text.RegularExpressions;
using SIdentifier = Cryville.Common.Identifier;
namespace Cryville.Crtr {
public class PdtBinder : EmptyBinder {
public override object ChangeType(object value, Type type, CultureInfo culture) {
if (value is PdtExpression) {
var exp = (PdtExpression)value;
if (type.Equals(typeof(bool))) {
bool result = false;
ChartPlayer.etor.Evaluate(new PropOp.Boolean(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(int))) {
int result = 0;
ChartPlayer.etor.Evaluate(new PropOp.Integer(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(float))) {
float result = 0;
ChartPlayer.etor.Evaluate(new PropOp.Float(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(string))) {
string result = default(string);
ChartPlayer.etor.Evaluate(new PropOp.String(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(Clip))) {
Clip result = default(Clip);
ChartPlayer.etor.Evaluate(new PropOp.Clip(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(Identifier))) {
Identifier result = default(Identifier);
ChartPlayer.etor.Evaluate(new pop_identstr(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(Identifier[]))) {
Identifier[] result = null;
ChartPlayer.etor.Evaluate(new pop_identstrarr(r => result = r), exp);
return result;
}
}
else if (value is string) {
var exp = (string)value;
if (type.Equals(typeof(Identifier))) {
return (Identifier)exp;
}
else if (type == typeof(ScoreOperation)) {
var m = Regex.Match(exp, @"^(\S+)\s*?(\S+)?$");
var name = new Identifier(m.Groups[1].Value);
if (!m.Groups[2].Success) return new ScoreOperation { name = name };
var op = new Identifier(m.Groups[2].Value);
return new ScoreOperation { name = name, op = op };
}
}
return base.ChangeType(value, type, culture);
}
#pragma warning disable IDE1006
class pop_identstr : PropOp {
readonly Action<SIdentifier> _cb;
public pop_identstr(Action<SIdentifier> cb) { _cb = cb; }
protected override void Execute() {
var op = GetOperand(0);
if (op.Type == PdtInternalType.Undefined) _cb(new SIdentifier(op.AsIdentifier()));
else if (op.Type == PdtInternalType.String) _cb(new SIdentifier(op.AsString()));
else throw new InvalidCastException("Not an identifier or string");
}
}
class pop_identstrarr : PdtOperator {
readonly Action<SIdentifier[]> _cb;
public pop_identstrarr(Action<SIdentifier[]> cb) : base(16) { _cb = cb; }
protected override void Execute() {
var result = new SIdentifier[LoadedOperandCount];
for (int i = 0; i < LoadedOperandCount; i++) {
var op = GetOperand(i);
if (op.Type != PdtInternalType.Undefined)
throw new InvalidCastException("Not an identifier");
result[i] = new SIdentifier(op.AsIdentifier());
}
_cb(result);
}
}
#pragma warning restore IDE1006
}
}