public static void Deserialize(ListTreeNode <T> src, ref U t)
{
if (s_d == null)
{
if (typeof(U).IsEnum)
{
// enum from string
var mi = typeof(Enum).GetMethods(BindingFlags.Static | BindingFlags.Public).First(
x => x.Name == "Parse" && x.GetParameters().Length == 3
);
var enumParse = GenericInvokeCallFactory.StaticFunc <Type, string, bool, object>(mi);
s_d = x =>
{
var enumValue = enumParse(typeof(U), x.GetString(), true);
return(GenericCast <object, U> .Cast(enumValue));
};
}
else
{
s_d = x => GenericCast <string, U> .Cast(x.GetString());
}
}
t = s_d(src);
}
private static FieldSerializer CreateFieldSerializer(FieldInfo fi)
{
var mi = typeof(Serializer).GetMethod("_CreateFieldSerializer",
BindingFlags.Static | BindingFlags.NonPublic);
var g = mi.MakeGenericMethod(fi.FieldType);
return(GenericInvokeCallFactory.StaticFunc <FieldInfo, FieldSerializer>(g)(fi));
}
private static Func <ListTreeNode <T>, U> GetCreator()
{
var t = typeof(U);
if (t.IsArray)
{
var mi = typeof(GenericConstructor <T, U>).GetMethod("ArrayCreator",
BindingFlags.NonPublic | BindingFlags.Static);
var g = mi.MakeGenericMethod(t.GetElementType());
return(GenericInvokeCallFactory.StaticFunc <ListTreeNode <T>, U>(g));
}
{
return(_s => { return Activator.CreateInstance <U>(); });
}
}
private static Func <ListTreeNode <T>, U> GetDeserializer()
{
// primitive
{
var mi = typeof(ListTreeNode <T>).GetMethods().FirstOrDefault(x =>
{
if (!x.Name.StartsWith("Get"))
{
return(false);
}
if (!x.Name.EndsWith(typeof(U).Name))
{
return(false);
}
var parameters = x.GetParameters();
if (parameters.Length != 0)
{
return(false);
}
if (x.ReturnType != typeof(U))
{
return(false);
}
return(true);
});
if (mi != null)
{
return(GenericInvokeCallFactory.StaticFunc <ListTreeNode <T>, U>(mi));
}
}
var target = typeof(U);
if (target.IsArray)
{
var mi = typeof(GenericDeserializer <T, U>).GetMethod("GenericArrayDeserializer",
BindingFlags.Static | BindingFlags.Public);
var g = mi.MakeGenericMethod(target.GetElementType());
return(GenericInvokeCallFactory.StaticFunc <ListTreeNode <T>, U>(g));
}
if (target.IsGenericType)
{
if (target.GetGenericTypeDefinition() == typeof(List <>))
{
var mi = typeof(GenericDeserializer <T, U>).GetMethod("GenericListDeserializer",
BindingFlags.Static | BindingFlags.Public);
var g = mi.MakeGenericMethod(target.GetGenericArguments());
return(GenericInvokeCallFactory.StaticFunc <ListTreeNode <T>, U>(g));
}
if (target == typeof(Dictionary <string, object>))
{
var mi = typeof(GenericDeserializer <T, U>).GetMethod("DefaultDictionaryDeserializer",
BindingFlags.Static | BindingFlags.Public);
var func = GenericInvokeCallFactory.StaticFunc <ListTreeNode <T>, object>(mi);
// object to Dictionary<string, object>
return(x => (U)func(x));
}
else if (target.GetGenericTypeDefinition() == typeof(Dictionary <,>) &&
target.GetGenericArguments()[0] == typeof(string))
{
var mi = typeof(GenericDeserializer <T, U>).GetMethod("DictionaryDeserializer",
BindingFlags.Static | BindingFlags.Public);
var g = mi.MakeGenericMethod(target.GetGenericArguments()[1]);
return(GenericInvokeCallFactory.StaticFunc <ListTreeNode <T>, U>(g));
}
}
{
var schema = JsonSchema.FromType <U>();
return(s =>
{
var t = default(U);
schema.Validator.Deserialize(s, ref t);
return t;
});
}
#if false
if (target.IsEnum)
{
var value = Expression.Parameter(typeof(int), "value");
var cast = Expression.Convert(value, target);
var func = Expression.Lambda(cast, value);
var compiled = (Func <int, T>)func.Compile();
return(s =>
{
return compiled(s.GetInt32());
});
}
{
var fields = target.GetFields(BindingFlags.Instance | BindingFlags.Public);
var fieldDeserializers = fields.ToDictionary(x => Utf8String.From(x.Name), x =>
{
var mi = typeof(GenericDeserializer <S, T>).GetMethod("GetFieldDeserializer",
BindingFlags.Static | BindingFlags.NonPublic);
var g = mi.MakeGenericMethod(x.FieldType);
return((FieldSetter)g.Invoke(null, new object[] { x }));
});
return((S s) =>
{
if (!s.IsMap())
{
throw new ArgumentException(s.ValueType.ToString());
}
var t = (object)default(GenericCreator <S, T>).Create(s);
foreach (var kv in s.ObjectItems())
{
FieldSetter setter;
if (fieldDeserializers.TryGetValue(kv.Key, out setter))
{
setter(kv.Value, t);
}
}
return (T)t;
});
}
#endif
}