private static Type MapIdentifierToType(DSReader reader)
{
var type = (TypeIdentifier)reader.Read7bUInt();
switch(type) {
case TypeIdentifier.Blob:
return typeof(Blob);
case TypeIdentifier.Compound:
return typeof(Compound);
case TypeIdentifier.Decimal:
return typeof(Decimal);
case TypeIdentifier.Dictionary:
var kt = MapIdentifierToType(reader);
var vt = MapIdentifierToType(reader);
return typeof(Dictionary<,>).MakeGenericType(kt, vt);
case TypeIdentifier.Double:
return typeof(Double);
case TypeIdentifier.Int:
return typeof(SignedInteger);
case TypeIdentifier.List:
return typeof(List<>).MakeGenericType(MapIdentifierToType(reader));
case TypeIdentifier.String:
return typeof(String);
case TypeIdentifier.UInt:
return typeof(UnsignedInteger);
case TypeIdentifier.Undefined:
return typeof(StoragePremitive);
default:
throw new ArgumentException();
}
}
private static Func<DSReader, StoragePremitive> MapIdentifierToConstructor(DSReader reader)
{
var type = (TypeIdentifier)reader.Read7bUInt();
switch(type) {
case TypeIdentifier.Blob:
return x => new Blob(x);
case TypeIdentifier.Compound:
return x => new Compound(x);
case TypeIdentifier.Decimal:
return x => new Decimal(x);
case TypeIdentifier.Double:
return x => new Double(x);
case TypeIdentifier.Int:
return x => new SignedInteger(x);
case TypeIdentifier.List:
return x => {
try {
return (StoragePremitive)typeof(List<>).MakeGenericType(MapIdentifierToType(x)).GetConstructor(new Type[] { typeof(DSReader) }).Invoke(new object[] { x });
} catch (System.Reflection.TargetInvocationException e) {
if (e.GetBaseException() is System.IO.IOException) {
throw new System.IO.IOException("IO Error", e.GetBaseException());
} else throw;
}
};
case TypeIdentifier.String:
return x => new String(x);
case TypeIdentifier.UInt:
return x => new UnsignedInteger(x);
case TypeIdentifier.Null:
return x => null;
case TypeIdentifier.Dictionary:
return x => {
try {
var kt = MapIdentifierToType(reader);
var vt = MapIdentifierToType(reader);
return (StoragePremitive)typeof(Dictionary<,>).MakeGenericType(kt, vt).GetConstructor(new Type[] { typeof(DSReader) }).Invoke(new object[] { x });
} catch(System.Reflection.TargetInvocationException e) {
if (e.GetBaseException() is System.IO.IOException) {
throw new System.IO.IOException("IO Error", e.GetBaseException());
} else throw;
}
};
default:
throw new ArgumentException();
}
}
public Double(DSReader input) { value = input.ReadDouble(); }
public static StoragePremitive Parse(DSReader input)
{
return MapIdentifierToConstructor(input)(input);
}
public String(DSReader input) { value = input.ReadString(); }
public SignedInteger(DSReader input) { value = input.Read7bInt(); }
public Decimal(DSReader input)
{
value = input.ReadDecimal();
}
public Blob(DSReader input)
{
data = new byte[(int)input.Read7bUInt()];
input.ReadFully(data);
}
