public static bool EvaluatePropertyValue(IPersistIfcEntity element, string pSetName, NameRule pSetNameRule, string propertyName, NameRule propNameRule, string value, ValueRule valueRule)
{
Dictionary <IfcLabel, Dictionary <IfcIdentifier, IfcValue> > allProperties = null;
if (string.IsNullOrEmpty(propertyName))
{
return(false);
}
//properties could be defined in IfcTypeObject as HasProperties
IfcTypeObject typeObject = element as IfcTypeObject;
if (typeObject != null)
{
allProperties = typeObject.GetAllPropertySingleValues();
}
//or properties could be defined in IfcObject in IsDefinedBy
IfcObject ifcObject = element as IfcObject;
if (ifcObject != null)
{
allProperties = ifcObject.GetAllPropertySingleValues();
}
//or properties could be defined for material as ExtendedMaterialProperties
IfcMaterial material = element as IfcMaterial;
if (material != null)
{
allProperties = material.GetAllPropertySingleValues();
}
//getting properties is not supported otherwise
if (allProperties != null)
{
foreach (var p in allProperties)
{
//if pSetName is null all property sets are inspected
if (pSetName != null)
{
if (!IsRightName(pSetName, p.Key, pSetNameRule))
{
continue;
}
}
foreach (var prop in p.Value)
{
//if name is not specified all values are returned
if (IsRightName(propertyName, prop.Key, propNameRule))
{
Type t = ((ExpressType)(prop.Value)).UnderlyingSystemType;
Expression right = XbimQueryFactory.PromoteToConstant(t, value);
Expression left = XbimQueryFactory.PromoteToConstant(t, prop.Value.ToString()); //todo: this should be more sofisticated than 'ToString()'
Expression eval = CreateValueExpression(left, right, valueRule);
return(Expression.Lambda <Func <bool> >(eval).Compile()());
}
}
}
}
return(false);
}