private static MemberInfoNode GetStructTree(Type t)
{
if (t == null)
{
throw new ArgumentNullException("t");
}
var ti = t.GetTypeInfo();
if (ti.IsClass || ti.IsGenericType || ti.IsInterface || ti.IsPrimitive || ti.IsEnum)
{
throw new ArgumentException("Only struct are allowed");
}
var memberTree = new MemberInfoNode();
var offset = 0;
var isExplicitLayout = !ti.IsAutoLayout || ti.IsExplicitLayout;
foreach (var fieldInfo in ti.DeclaredFields)
{
var childInfo = new MemberInfoNode();
childInfo.FieldName = fieldInfo.Name;
childInfo.FieldType = fieldInfo.FieldType;
if (fieldInfo.IsStatic)
{
throw new InvalidOperationException("Struct type must not contain static fields " + fieldInfo.Name);
}
else if (isExplicitLayout)
{
// get fieldOffset
var foa = fieldInfo.GetCustomAttribute <FieldOffsetAttribute>(true);
if (foa == null)
{
throw new InvalidOperationException("FieldOffsetAttribute has to be declared on struct type with layout explicit");
}
var fieldOffset = foa.Value;
childInfo.Offset = fieldOffset;
childInfo.Size = SizeOf(fieldInfo.FieldType);
memberTree.Children.Add(childInfo);
}
else
{
var size = SizeOf(fieldInfo.FieldType);
childInfo.Offset = offset;
childInfo.Size = size;
memberTree.Children.Add(childInfo);
offset += size;
}
}
return(memberTree);
}
public MemberExpressionNode(MemberExpression expression, Container container) : base(expression, container)//, [Optional]IExpressionParser parser) : base(expression, parser)
{
var expressionParser = container.GetInstance <IExpressionParser>();
var memberInfoParser = container.GetInstance <IMemberInfoParser>();
if (expression.Expression is ConstantExpression)
//if (typeof(Derived).IsSubclassOf(typeof(SomeType)))
{
object underlyingValue = ((ConstantExpression)expression.Expression).Value;
var member = expression.Member;
if (member is FieldInfo)
{
object value = ((FieldInfo)member).GetValue(underlyingValue);
MExpression = expressionParser.Parse(Expression.Constant(value));
Member = memberInfoParser.Parse(value.GetType().GetField(((FieldInfo)member).Name));
}
if (member is PropertyInfo)
{
object value = ((PropertyInfo)member).GetValue(underlyingValue, null);
MExpression = expressionParser.Parse(Expression.Constant(value));
Member = memberInfoParser.Parse(value.GetType().GetField(((PropertyInfo)member).Name));
}
}
else
{
MExpression = expressionParser.Parse(expression.Expression);
Member = memberInfoParser.Parse(expression.Member);
}
/*
* MExpression = expressionParser.Parse(expression.Expression);
* Member = memberInfoParser.Parse(expression.Member);
*/
}
protected MemberBindingNode(NodeContext factory, MemberBindingType bindingType, MemberInfo memberInfo) : base(factory)
{
BindingType = bindingType;
Member = new MemberInfoNode(Context, memberInfo);
}