private void SetValue(XmlReader input, XmlNodeType prevInputType, string prevInputName)
{
try
{
// we are here because this node is of type Text or WhiteSpace
if (prevInputType == XmlNodeType.Element) // previous node should be of Type Element before we go next
{
if (_currentNode is XmlExpressType)
{
XmlExpressType node = (XmlExpressType)_currentNode;
node.Value = input.Value;
}
else if (_currentNode is XmlBasicType)
{
XmlBasicType node = (XmlBasicType)_currentNode;
node.Value = input.Value;
}
else if (_currentNode is XmlProperty)
{
XmlProperty node = (XmlProperty)_currentNode;
PropertyValue propVal = new PropertyValue();
Type t = node.Property.PropertyType;
if (t.IsGenericType && t.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
t = Nullable.GetUnderlyingType(t);
// if the propertytype is abstract, we cant possibly set any text value on it
// effectively this ignores white spaces, e.g. NominalValue of IfcPropertySingleValue
if (!t.IsAbstract)
{
IfcParserType parserType;
if (typeof(ExpressType).IsAssignableFrom(t) && !(typeof(ExpressComplexType).IsAssignableFrom(t) ))
{
ExpressType et = (ExpressType)(Activator.CreateInstance(t));
if (et.GetType() == typeof(IfcLogical))
parserType = IfcParserType.Boolean;
else
parserType = primitives[et.UnderlyingSystemType.Name];
}
else if (t.IsEnum)
{
parserType = IfcParserType.Enum;
}
else
{
if (!primitives.TryGetValue(t.Name, out parserType))
parserType = IfcParserType.Undefined;
}
if (parserType == IfcParserType.String)
{
propVal.Init("'" + input.Value + "'", parserType);
((XmlEntity)node.Parent).Entity.IfcParse(node.PropertyIndex - 1, propVal);
}
else if (parserType != IfcParserType.Undefined && !string.IsNullOrWhiteSpace(input.Value))
{
if (parserType == IfcParserType.Boolean)
{
if(string.Compare(input.Value, "unknown", true) != 0) //do nothing with IfcLogicals that are undefined
propVal.Init(Convert.ToBoolean(input.Value) ? ".T." : ".F.", parserType);
}
else
propVal.Init(input.Value, parserType);
((XmlEntity)node.Parent).Entity.IfcParse(node.PropertyIndex - 1, propVal);
}
}
}
}
}
catch (Exception e)
{
throw new Exception("Error reading IfcXML data at node " + input.LocalName, e);
}
}
private void EndElement(XmlReader input, XmlNodeType prevInputType, string prevInputName, out IPersistIfcEntity writeEntity)
{
try
{
// before end element, we need to deal with SetCollection
if (_currentNode is XmlCollectionProperty)
{
// SetCollection will handle SetValue for Collection
CollectionType CType = ((XmlCollectionProperty)_currentNode).CType;
switch (CType)
{
case CollectionType.List:
case CollectionType.ListUnique:
((XmlCollectionProperty)_currentNode).Entities.Sort(XmlCollectionProperty.CompareNodes);
break;
case CollectionType.Set:
break;
default:
throw new Exception("Unknown list type, " + CType);
}
foreach (XmlNode item in ((XmlCollectionProperty)_currentNode).Entities)
{
if (item is XmlEntity)
{
XmlEntity node = (XmlEntity)item;
XmlEntity collectionOwner = item.Parent.Parent as XmlEntity;
XmlCollectionProperty collection = item.Parent as XmlCollectionProperty; //the collection to add to;
IPersistIfc ifcCollectionOwner = collectionOwner.Entity;
PropertyValue pv = new PropertyValue();
pv.Init(node.Entity);
ifcCollectionOwner.IfcParse(collection.PropertyIndex - 1, pv);
}
}
}
else if (_currentNode.Parent is XmlProperty)
{
XmlProperty propNode = (XmlProperty)_currentNode.Parent;
if (_currentNode is XmlEntity)
{
XmlEntity entityNode = (XmlEntity)_currentNode;
propNode.SetValue(entityNode.Entity);
}
else if (_currentNode is XmlExpressType)
{
//create ExpressType, call ifcparse with propindex and object
//((XmlProperty)_currentNode.Parent).SetValue((XmlExpressType)_currentNode);
XmlExpressType expressNode = (XmlExpressType)_currentNode;
if (expressNode.Type != propNode.Property.PropertyType)
{
//propNode.SetValue(expressNode);
IfcType ifcType;
if (IsIfcType(input.LocalName, out ifcType))
//we have an IPersistIfc
{
IPersistIfc ent;
object[] param = new object[1];
param[0] = expressNode.Value;
ent = (IPersistIfc)Activator.CreateInstance(ifcType.Type, param);
propNode.SetValue(ent);
}
}
else
{
propNode.SetValue(expressNode.Value, primitives[expressNode.Type.Name]);
}
}
else if (_currentNode is XmlBasicType)
{
//set PropertyValue to write type boolean, integer, call ifcparse with string
XmlBasicType basicNode = (XmlBasicType)_currentNode;
propNode.SetValue(basicNode.Value, basicNode.Type);
}
}
else if (prevInputType == XmlNodeType.Element && prevInputName == input.LocalName &&
_currentNode is XmlProperty && _currentNode.Parent != null && _currentNode.Parent is XmlEntity)
{
// WE SHOULDNT EXECUTE THE FOLLOWING CODE IF THIS PROPERTY ALREADY CALLED SETVALUE
XmlProperty node = (XmlProperty)_currentNode;
PropertyValue propVal = new PropertyValue();
Type t = node.Property.PropertyType;
if (t != null && t.IsGenericType && t.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
t = Nullable.GetUnderlyingType(t);
ExpressType et = null;
if (t != null && typeof(ExpressType).IsAssignableFrom(t))
et = (ExpressType)(Activator.CreateInstance(t));
IfcParserType pt = IfcParserType.Undefined;
if (et != null)
pt = primitives[et.UnderlyingSystemType.Name];
else
{
if (t.IsEnum)
{
pt = IfcParserType.Enum;
}
else if (primitives.ContainsKey(t.Name))
pt = primitives[t.Name];
}
if (pt != IfcParserType.Undefined)
{
if (pt.ToString().ToLower() == "string")
propVal.Init("'" + input.Value + "'", pt);
else
{
if (pt.ToString().ToLower() == "boolean")
propVal.Init(Convert.ToBoolean(input.Value) ? ".T." : ".F", pt);
else
propVal.Init(input.Value, pt);
}
((XmlEntity)node.Parent).Entity.IfcParse(node.PropertyIndex - 1, propVal);
}
}
else if (_currentNode.Parent is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
{
if (_currentNode is XmlEntity)
{
((XmlCollectionProperty)_currentNode.Parent).Entities.Add(((XmlEntity)_currentNode));
}
else if (_currentNode is XmlExpressType)
{
XmlExpressType expressNode = (XmlExpressType)_currentNode;
//actualEntityType is the actual type of the value to create
Type actualEntityType = expressNode.Type;
//Determine if the Express Type is a Nullable, if so get the type of the Nullable
if (actualEntityType.IsGenericType && actualEntityType.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
actualEntityType = Nullable.GetUnderlyingType(actualEntityType);
//need to resolve what the Parser type is
//if the generic type of the collection is different from the actualEntityType then we need to create an entity and call Ifc Parse
//otherwise we need to call Ifcparse with a string value and the type of the underlying type
XmlCollectionProperty collection = _currentNode.Parent as XmlCollectionProperty; //the collection to add to;
Type collectionValueType = collection.Property.PropertyType;
Type collectionGenericType = GetItemTypeFromGenericType(collectionValueType); ;
bool genericTypeIsSameAsValueType = (collectionGenericType == actualEntityType);
PropertyValue pv = new PropertyValue();
if (genericTypeIsSameAsValueType) //call IfcParse with string value and parser type
{
ExpressType actualEntityValue = (ExpressType)(Activator.CreateInstance(actualEntityType));
//resolve the underlying type
IfcParserType parserType = primitives[actualEntityValue.UnderlyingSystemType.Name];
if (parserType == IfcParserType.String)
pv.Init("'" + expressNode.Value + "'", parserType);
else
pv.Init(expressNode.Value, parserType);
}
else //call IfcParse with an entity
{
object[] param = new object[1];
param[0] = expressNode.Value;
ExpressType actualEntityValue = (ExpressType)(Activator.CreateInstance(expressNode.Type, param));
pv.Init(actualEntityValue);
}
XmlEntity collectionOwner = _currentNode.Parent.Parent as XmlEntity; //go to owner of collection
IPersistIfc ifcCollectionOwner = collectionOwner.Entity;
ifcCollectionOwner.IfcParse(collection.PropertyIndex - 1, pv);
}
else if (_currentNode is XmlBasicType)
{
XmlBasicType basicNode = (XmlBasicType)_currentNode;
XmlEntity collectionOwner = _currentNode.Parent.Parent as XmlEntity;
XmlCollectionProperty collection = _currentNode.Parent as XmlCollectionProperty; //the collection to add to;
IPersistIfc ifcCollectionOwner = collectionOwner.Entity;
PropertyValue pv = new PropertyValue();
pv.Init(basicNode.Value, basicNode.Type);
ifcCollectionOwner.IfcParse(collection.PropertyIndex - 1, pv);
}
}
writeEntity = null;
if (_currentNode.Parent != null) // we are not at UOS yet
{
if (_currentNode is XmlEntity)
writeEntity = ((XmlEntity)_currentNode).Entity;
_currentNode = _currentNode.Parent;
}
}
catch (Exception e)
{
throw new Exception("Error reading IfcXML data at node " + input.LocalName, e);
}
}
private void StartElement(IfcPersistedInstanceCache cache, XmlReader input, XbimEntityCursor entityTable, XbimLazyDBTransaction transaction)
{
string elementName = input.LocalName;
bool isRefType;
int id = GetId(input, out isRefType);
IfcType ifcType;
IfcParserType parserType;
IfcMetaProperty prop;
int propIndex;
if (id > -1 && IsIfcEntity(elementName, out ifcType)) //we have an element which is an Ifc Entity
{
IPersistIfcEntity ent;
if (!cache.Contains(id))
{
// not been declared in a ref yet
// model.New creates an instance uisng type and id
ent = cache.CreateNew(ifcType.Type, id);
}
else
{
ent = cache.GetInstance(id, false, true);
}
XmlEntity xmlEnt = new XmlEntity(_currentNode, ent);
//if we have a completely empty element that is not a ref we need to make sure it is written to the database as EndElement will not be called
if (input.IsEmptyElement && !isRefType)
{
_entitiesParsed++;
//now write the entity to the database
entityTable.AddEntity(xmlEnt.Entity);
if (_entitiesParsed % _transactionBatchSize == (_transactionBatchSize - 1))
{
transaction.Commit();
transaction.Begin();
}
}
string pos = input.GetAttribute(_posAttribute);
if (string.IsNullOrEmpty(pos)) pos = input.GetAttribute("pos"); //try without namespace
if (!string.IsNullOrEmpty(pos))
xmlEnt.Position = Convert.ToInt32(pos);
if (!input.IsEmptyElement)
{
// add the entity to its parent if its parent is a list
//if (!(_currentNode is XmlUosCollection) && _currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
// ((XmlCollectionProperty)_currentNode).Entities.Add(xmlEnt);
_currentNode = xmlEnt;
}
else if (_currentNode is XmlProperty)
{
// if it is a ref then it will be empty element and wont have an end tag
// so nither SetValue nor EndElement will be called, so set the value of ref here e.g. #3
((XmlProperty)(_currentNode)).SetValue(ent);
}
else if (!(_currentNode is XmlUosCollection) && _currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
{
((XmlCollectionProperty)_currentNode).Entities.Add(xmlEnt);
}
}
else if (input.IsEmptyElement)
{
if (IsIfcProperty(elementName, out propIndex, out prop))
{
XmlProperty node = new XmlProperty(_currentNode, prop.PropertyInfo, propIndex); ;
PropertyValue propVal = new PropertyValue();
Type t = node.Property.PropertyType;
if (!typeof(ExpressEnumerable).IsAssignableFrom(t)) // if its a empty collection then dont do anything
{
if (t != null && t.IsGenericType && t.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
t = Nullable.GetUnderlyingType(t);
ExpressType et = null;
if (t != null && typeof(ExpressType).IsAssignableFrom(t))
et = (ExpressType)(Activator.CreateInstance(t));
IfcParserType pt;
if (et != null)
pt = primitives[et.UnderlyingSystemType.Name];
else
{
if (t.IsEnum)
{
pt = IfcParserType.Enum;
}
else
pt = primitives[t.Name];
}
if (pt.ToString().ToLower() == "string")
propVal.Init("'" + input.Value + "'", pt);
else
{
if (pt.ToString().ToLower() == "boolean")
propVal.Init(Convert.ToBoolean(input.Value) ? ".T." : ".F", pt);
else
propVal.Init(input.Value, pt);
}
((XmlEntity)node.Parent).Entity.IfcParse(node.PropertyIndex - 1, propVal);
}
}
else if (IsIfcType(elementName, out ifcType))
{
IPersistIfc ent;
object[] param = new object[1];
param[0] = ""; // empty element
ent = (IPersistIfc)Activator.CreateInstance(ifcType.Type, param);
((XmlProperty)_currentNode).SetValue(ent);
}
return;
}
else if (id == -1 && IsIfcProperty(elementName, out propIndex, out prop)) //we have an element which is a property
{
string cType = input.GetAttribute(_cTypeAttribute);
if (string.IsNullOrEmpty(cType)) cType = input.GetAttribute("cType"); //in case namespace omitted
if (IsCollection(prop)) //the property is a collection
{
XmlCollectionProperty xmlColl = new XmlCollectionProperty(_currentNode, prop.PropertyInfo, propIndex);
switch (cType)
{
case "list":
xmlColl.CType = CollectionType.List;
break;
case "list-unique":
xmlColl.CType = CollectionType.ListUnique;
break;
case "set":
xmlColl.CType = CollectionType.Set;
break;
default:
xmlColl.CType = CollectionType.List;
break;
}
_currentNode = xmlColl;
}
else //it is a simple value property;
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlProperty(_currentNode, prop.PropertyInfo, propIndex);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
((XmlCollectionProperty)_currentNode).Entities.Add(n);
if (!input.IsEmptyElement) _currentNode = n;
}
}
else if (id == -1 && IsIfcType(elementName, out ifcType)) // we have an Ifc ExpressType
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlExpressType(_currentNode, ifcType.Type);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
((XmlCollectionProperty)_currentNode).Entities.Add(n);
if (!input.IsEmptyElement) _currentNode = n;
}
else if (id == -1 && IsPrimitiveType(elementName, out parserType)) // we have an basic type i.e. double, bool etc
{
// its parent can be a collection, if yes then this property needs to be added to parent
XmlNode n = new XmlBasicType(_currentNode, parserType);
if (_currentNode is XmlCollectionProperty && !(_currentNode.Parent is XmlUosCollection))
((XmlCollectionProperty)_currentNode).Entities.Add(n);
if (!input.IsEmptyElement) _currentNode = n;
}
else
throw new Exception("Illegal XML element tag");
}
public void SetValue(object o)
{
PropertyValue propVal = new PropertyValue();
propVal.Init(o);
((XmlEntity)Parent).Entity.IfcParse(PropertyIndex - 1, propVal);
}
public void SetValue(string val, IfcParserType parserType)
{
if (parserType == IfcParserType.Boolean && string.Compare(val, "unknown", true) == 0) //do nothing with IfcLogicals that are undefined
return;
PropertyValue propVal = new PropertyValue();
propVal.Init(val, parserType);
((XmlEntity)Parent).Entity.IfcParse(PropertyIndex - 1, propVal);
}
public bool Resolve(ConcurrentDictionary<int, IPersistIfcEntity> references)
{
IPersistIfcEntity entity;
if (references.TryGetValue(ReferenceEntityLabel, out entity))
{
PropertyValue pv = new PropertyValue();
pv.Init(entity);
try
{
ReferencingEntity.IfcParse(ReferencingPropertyId, pv);
return true;
}
catch (Exception)
{
IfcType ifcType = IfcMetaData.IfcType(ReferencingEntity);
XbimModel.Logger.ErrorFormat("Data Error. Cannot set the property = {0} of entity #{1} = {2} to entity #{3}, schema violation. Ignored",
ifcType.IfcProperties[ReferencingPropertyId+1].PropertyInfo.Name,
ReferencingEntity.EntityLabel,
ReferencingEntity.GetType().Name,
ReferenceEntityLabel);
return false;
}
}
else
return false;
}