public override IDictionary <string, object> Serialize(
object obj,
JavaScriptSerializer serializer
)
{
var values = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase);
var memberNames = DynamicHelper.GetMemberNames(obj);
// This should never happen
Debug.Assert(memberNames != null);
// Get the value for each member in the dynamic object
foreach (string memberName in memberNames)
{
object value = DynamicHelper.GetMemberValue(obj, memberName);
var jsonValue = value as DynamicJsonArray;
if (jsonValue != null)
{
value = (object[])jsonValue;
}
values[memberName] = value;
}
return(values);
}
public virtual void VisitComplexObject(object value, int depth)
{
if (depth > _recursionLimit)
{
return;
}
Debug.Assert(value != null, "Value should not be null");
var dynamicObject = value as IDynamicMetaObjectProvider;
// Only look at dynamic objects that do not implement ICustomTypeDescriptor
if (dynamicObject != null && !(dynamicObject is ICustomTypeDescriptor))
{
var memberNames = DynamicHelper.GetMemberNames(dynamicObject);
if (memberNames != null)
{
// Always use the runtime type for dynamic objects since there is no metadata
VisitMembers(
memberNames,
name => null,
name => DynamicHelper.GetMemberValue(dynamicObject, name),
depth
);
}
}
else
{
// REVIEW: We should try to filter out properties of certain types
// Dump properties using type descriptor
var props = TypeDescriptor.GetProperties(value);
var propNames = from PropertyDescriptor p in props select p.Name;
VisitMembers(
propNames,
name => props.Find(name, ignoreCase: true).PropertyType,
name => GetPropertyDescriptorValue(value, name, props),
depth
);
// Dump fields
var fields = value
.GetType()
.GetFields(BindingFlags.Public | BindingFlags.Instance)
.ToDictionary(field => field.Name);
VisitMembers(
fields.Keys,
name => fields[name].FieldType,
name => GetFieldValue(value, name, fields),
depth
);
}
}
private static IEnumerable <string> GetDefaultColumnNames(IEnumerable <dynamic> source, Type elementType)
{
var dynObj = source.FirstOrDefault() as IDynamicMetaObjectProvider;
if (dynObj != null)
{
return(DynamicHelper.GetMemberNames(dynObj));
}
else
{
return((from p in elementType.GetProperties()
where IsBindableType(p.PropertyType) && (p.GetIndexParameters().Length == 0)
select p.Name).OrderBy(n => n, StringComparer.OrdinalIgnoreCase).ToArray());
}
}
