Files
crtr/Assets/Cryville/Crtr/PdtBinder.cs

90 lines
2.9 KiB
C#

using Cryville.Common;
using Cryville.Common.Pdt;
using Cryville.Crtr.Ruleset;
using System;
using System.Globalization;
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;
PdtEvaluator.Instance.Evaluate(new PropOp.Boolean(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(int))) {
int result = 0;
PdtEvaluator.Instance.Evaluate(new PropOp.Integer(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(float))) {
float result = 0;
PdtEvaluator.Instance.Evaluate(new PropOp.Float(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(string))) {
string result = default;
PdtEvaluator.Instance.Evaluate(new PropOp.String(r => result = r), exp);
return result;
}
else if (type.IsEnum) {
object result = null;
PdtEvaluator.Instance.Evaluate(new PropOp.Enum(type, r => result = r), exp);
return result;
}
else if (type.Equals(typeof(Clip))) {
Clip result = default;
PdtEvaluator.Instance.Evaluate(new PropOp.Clip(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(Identifier))) {
Identifier result = default;
PdtEvaluator.Instance.Evaluate(new pop_identstr(r => result = r), exp);
return result;
}
else if (type.Equals(typeof(Identifier[]))) {
Identifier[] result = null;
PdtEvaluator.Instance.Evaluate(new pop_identstrarr(r => result = r), exp);
return result;
}
}
else if (value is string exp) {
if (type.Equals(typeof(Identifier))) {
return new Identifier(exp);
}
else if (type == typeof(ScoreOperation)) {
return new ScoreOperation(exp);
}
}
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);
result[i] = new SIdentifier(op.AsIdentifier());
}
_cb(result);
}
}
#pragma warning restore IDE1006
}
}