/// <summary>
/// Return value from path going from this object
/// </summary>
/// <param name="propertyPath"> Path formated like <ObjectReference>.<ListProperty>.<ListIndex>.<PropertyName> </param>
/// <returns></returns>
public NdfValueWrapper GetValueFromQuery(string query)
{
string rest = string.Empty;
string next = NdfQueryReader.ParseNextStep(query, out rest);
if (!string.IsNullOrEmpty(next))
{
NdfPropertyValue nextproperty = GetProperty(next);
if (nextproperty == null)
{
switch (nextproperty.Type)
{
case Types.NdfType.ObjectReference:
NdfObjectReference reference = nextproperty.Value as NdfObjectReference;
return reference.Instance.GetValueFromQuery(rest);
case Types.NdfType.MapList:
NdfMapList mapList = nextproperty.Value as NdfMapList;
return mapList.GetValueFromQuery(rest);
case Types.NdfType.List:
NdfCollection list = nextproperty.Value as NdfCollection;
return list.GetValueFromQuery(rest);
default:
return nextproperty.Value;
}
}
}
throw(new Exception("Something went wrong with this path: " + query != string.Empty ? query:"Empty Path"));
}
/// <summary>
/// Return true if it succeded getting a property from the query and output it.
/// </summary>
/// <param name="query"></param>
/// <param name="value"></param>
/// <returns></returns>
public bool TryGetValueFromQuery(string query, out NdfValueWrapper value)
{
string rest = string.Empty;
string next = NdfQueryReader.ParseNextStep(query, out rest);
if(!string.IsNullOrEmpty(next))
{
NdfPropertyValue nextproperty;
if (TryGetProperty(next, out nextproperty))
{
switch (nextproperty.Type)
{
case Types.NdfType.ObjectReference:
NdfObjectReference reference = nextproperty.Value as NdfObjectReference;
if (string.IsNullOrEmpty(rest))
{
value = reference;
return true;
}
return reference.Instance.TryGetValueFromQuery(rest, out value);
case Types.NdfType.MapList:
NdfMapList mapList = nextproperty.Value as NdfMapList;
if (string.IsNullOrEmpty(rest))
{
value = mapList;
return true;
}
return mapList.TryGetValueFromQuery(rest, out value);
case Types.NdfType.List:
NdfCollection list = nextproperty.Value as NdfCollection;
if (string.IsNullOrEmpty(rest))
{
value = list;
return true;
}
return list.TryGetValueFromQuery(rest, out value);
case Types.NdfType.Unknown :
break;
case Types.NdfType.Unset:
break;
default:
value = nextproperty.Value;
return true;
}
}
}
value = null;
return false;
}
