using ln.objects.catalog;
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;

namespace ln.objects.serialization
{
    public delegate bool LookupReference(object value, out object reference);

    public delegate bool MangleValue(Type expectedType, ref object value);

    public abstract class Serializer
    {
        public event LookupReference OnLookupReference;
        public event MangleValue OnMangleValue;

        public abstract bool SerializeObject(object o, out byte[] serializedBytes);

        public bool TryLookupReference(object o, out object reference)
        {
            foreach (LookupReference lr in OnLookupReference?.GetInvocationList() ?? new LookupReference[0])
            {
                if (lr(o, out reference))
                    return true;
            }
            reference = null;
            return false;
        }

        public bool MangleValue(Type expectedType,ref object value)
        {
            bool mangled = false;
            foreach (MangleValue mv in OnMangleValue?.GetInvocationList() ?? new MangleValue[0])
                if (mv(expectedType, ref value))
                    mangled = true;
            return mangled;
        }
    }
}