Castle.MonoRail.Framework.Helpers.FormHelper.QueryPropertyRecursive C# (CSharp) Method

		protected object QueryPropertyRecursive(object rootInstance, string[] propertyPath, int piece)
		{
			string property = propertyPath[piece]; int index;

			Type instanceType = rootInstance.GetType();

			bool isIndexed = CheckForExistenceAndExtractIndex(ref property, out index);

			PropertyInfo propertyInfo = instanceType.GetProperty(property, ResolveFlagsToUse(instanceType));

			object instance = null;

			if (propertyInfo == null)
			{
				FieldInfo fieldInfo = instanceType.GetField(property, FieldFlags);

				if (fieldInfo != null)
				{
					instance = fieldInfo.GetValue(rootInstance);
				}
			}
			else
			{
				if (!propertyInfo.CanRead)
				{
					throw new BindingException("Property '{0}' for type '{1}' can not be read", 
						propertyInfo.Name, instanceType.FullName);
				}
				
				if (propertyInfo.GetIndexParameters().Length != 0)
				{
					throw new BindingException("Property '{0}' for type '{1}' has indexes, which are not supported", 
						propertyInfo.Name, instanceType.FullName);
				}

				instance = propertyInfo.GetValue(rootInstance, null);
			}

			if (isIndexed && instance != null)
			{
				AssertIsValidArray(instance, property, index);

				instance = GetArrayElement(instance, index);
			}

			if (instance == null || piece + 1 == propertyPath.Length)
			{
				return instance;
			}

			return QueryPropertyRecursive(instance, propertyPath, piece + 1);
		}