/// <summary>
/// Returns all fields except that with Searchable(false) attribute.
/// obj != null, result != null
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static IEnumerable <FieldInfo> GetAllFields(this object obj)
{
if (obj is null)
{
throw new ArgumentNullException(@"obj");
}
Type type = obj.GetType();
var fields = new List <FieldInfo>();
while (type != null)
{
foreach (var fieldInfo in type.GetFields(BindingFlags.GetField | BindingFlags.Instance | BindingFlags.Public |
BindingFlags.NonPublic))
{
SearchableAttribute searchableAttribute = Attribute.GetCustomAttribute(fieldInfo, typeof(SearchableAttribute)) as SearchableAttribute;
if (searchableAttribute != null)
{
if (searchableAttribute.Searchable)
{
fields.Add(fieldInfo);
}
continue;
}
fields.Add(fieldInfo);
}
type = type.BaseType;
}
return(fields);
}
/// <summary>
/// Returns all Browsable properties of object.
/// SearchableAttribute can explicitly set whether to return or not the property.
/// </summary>
private static IEnumerable <PropertyDescriptor> GetProperties(object obj)
{
var result = new List <PropertyDescriptor>();
foreach (PropertyDescriptor propertyDescriptor in TypeDescriptor.GetProperties(obj)
.OfType <PropertyDescriptor>())
{
SearchableAttribute searchableAttribute =
propertyDescriptor.Attributes.OfType <SearchableAttribute>().FirstOrDefault();
if (searchableAttribute != null)
{
if (searchableAttribute.Searchable)
{
result.Add(propertyDescriptor);
}
continue;
}
if (propertyDescriptor.IsBrowsable)
{
result.Add(propertyDescriptor);
}
}
return(result);
}
