protected virtual CodeNode ReadField(string fieldName)
{
var field = GetType().GetField(fieldName);
var fieldType = field.FieldType;
if (fieldType.IsArray)
{
var elementType = fieldType.GetElementType();
if (elementType.IsValueType)
{
int len;
if (field.TryGetAttribute(out ExpectedAttribute e))
{
if (e.Value is string s)
{
len = s.Length;
}
else
{
len = ((Array)e.Value).Length;
}
}
else
{
len = GetCount(fieldName);
}
var san = typeof(StructArrayNode <>).MakeGenericType(elementType);
var o = (CodeNode)Activator.CreateInstance(san, len);
o.Bytes = Bytes;
o.Read();
var value = san.GetField("arr").GetValue(o);
field.SetValue(this, value);
o.NodeValue = value.GetString();
return(o);
}
throw new InvalidOperationException($"{GetType().FullName}. {field.Name} is an array {elementType}[]");
}
if (fieldType.IsClass)
{
var o = (CodeNode)(field.GetValue(this) ?? (CodeNode)Activator.CreateInstance(fieldType));
o.Bytes = Bytes;
o.Read();
field.SetValue(this, o);
return(o);
}
Type sn;
if (fieldType.IsEnum)
{
sn = typeof(EnumNode <>).MakeGenericType(fieldType);;
}
else if (fieldType.IsValueType)
{
sn = typeof(StructNode <>).MakeGenericType(fieldType);
}
else
{
throw new InvalidOperationException(fieldType.Name);
}
{
CodeNode o = (CodeNode)Activator.CreateInstance(sn);
o.Bytes = Bytes;
o.Read();
var value = sn.GetField("t").GetValue(o);
field.SetValue(this, value);
o.NodeValue = value.GetString();
return(o);
}
}