internal void BeginNestedType(string typeName)
{
IfcType ifcType = IfcMetaData.IfcType(typeName);
_currentInstance = new Part21Entity((IPersistIfc)Activator.CreateInstance(ifcType.Type));
_processStack.Push(_currentInstance);
}
private bool IsIfcProperty(string elementName, out int index, out IfcMetaProperty prop)
{
IfcType ifcType;
XmlEntity xmlEntity = _currentNode as XmlEntity;
if (xmlEntity != null && !IfcMetaData.TryGetIfcType(elementName.ToUpper(), out ifcType))
{
IfcType t = IfcMetaData.IfcType(xmlEntity.Entity);
foreach (KeyValuePair <int, IfcMetaProperty> p in t.IfcProperties)
{
int propIndex = p.Key;
if (p.Value.PropertyInfo.Name == elementName)
//this is the property to set
{
prop = p.Value;
index = p.Key;
return(true);
}
}
}
prop = null;
index = -1;
return(false);
}
/// <summary>
/// Create a new entity of the specified type, the entity will be blank, all properties with default values
/// The entity label will be as specified, an exception will be raised if the label is already in use
/// </summary>
/// <param name="type">Type of entity to create, this must support IPersistIfcEntity</param>
/// <returns>A handle to the entity</returns>
internal XbimInstanceHandle AddEntity(Type type, int entityLabel)
{
IfcType ifcType = IfcMetaData.IfcType(type);
XbimInstanceHandle h = new XbimInstanceHandle(this.model, entityLabel, ifcType.TypeId);
AddEntity(h.EntityLabel, h.EntityTypeId, null, null, ifcType.IndexedClass);
return(h);
}
/// <summary>
/// Create a new entity of the specified type, the entity will be blank, all properties with default values
/// </summary>
/// <param name="type">Type of entity to create, this must support IPersistIfcEntity</param>
/// <returns>A handle to the entity</returns>
internal XbimInstanceHandle AddEntity(Type type)
{
//System.Diagnostics.Debug.Assert(typeof(IPersistIfcEntity).IsAssignableFrom(type));
int highest = RetrieveHighestLabel();
IfcType ifcType = IfcMetaData.IfcType(type);
XbimInstanceHandle h = new XbimInstanceHandle(this.model, highest + 1, ifcType.TypeId);
AddEntity(h.EntityLabel, h.EntityTypeId, null, null, ifcType.IndexedClass);
return(h);
}
/// <summary>
/// Adds an entity, assumes a valid transaction is running
/// </summary>
/// <param name="toWrite"></param>
internal void AddEntity(IPersistIfcEntity toWrite)
{
MemoryStream ms = new MemoryStream();
BinaryWriter bw = new BinaryWriter(ms);
toWrite.WriteEntity(bw);
IfcType ifcType = IfcMetaData.IfcType(toWrite);
AddEntity(toWrite.EntityLabel, ifcType.TypeId, ifcType.GetIndexedValues(toWrite), ms.ToArray(), ifcType.IndexedClass);
}
private bool IsIfcType(string elementName, out IfcType ifcType)
{
bool ok = IfcMetaData.TryGetIfcType(elementName.ToUpper(), out ifcType);
if (!ok)
{
if (elementName.Contains("-wrapper") && elementName.StartsWith(_expressNamespace) == false) // we have an inline type definition
{
string inputName = elementName.Substring(0, elementName.LastIndexOf("-"));
ok = IfcMetaData.TryGetIfcType(inputName.ToUpper(), out ifcType);
}
}
return(ok && typeof(ExpressType).IsAssignableFrom(ifcType.Type));
}
private void Write(XbimModel model, int handle, XmlWriter output, int pos = -1)
{
if (_written.Contains(handle)) //we have already done it
{
return;
}
//int nextId = _written.Count + 1;
_written.Add(handle);
IPersistIfcEntity entity = model.GetInstanceVolatile(handle); //load either the cache or a volatile version of the entity
IfcType ifcType = IfcMetaData.IfcType(entity);
output.WriteStartElement(ifcType.Type.Name);
output.WriteAttributeString("id", string.Format("i{0}", handle));
if (pos > -1) //we are writing out a list element
{
output.WriteAttributeString("pos", pos.ToString());
}
IEnumerable <IfcMetaProperty> toWrite;
if (WriteInverses)
{
List <IfcMetaProperty> l = new List <IfcMetaProperty>(ifcType.IfcProperties.Values);
l.AddRange(ifcType.IfcInverses);
toWrite = l;
}
else
{
toWrite = ifcType.IfcProperties.Values;
}
foreach (IfcMetaProperty ifcProperty in toWrite) //only write out persistent attributes, ignore inverses
{
if (ifcProperty.IfcAttribute.State != IfcAttributeState.DerivedOverride)
{
Type propType = ifcProperty.PropertyInfo.PropertyType;
object propVal = ifcProperty.PropertyInfo.GetValue(entity, null);
WriteProperty(model, ifcProperty.PropertyInfo.Name, propType, propVal, entity, output, -1,
ifcProperty.IfcAttribute);
}
}
output.WriteEndElement();
}
/// <summary>
/// returns all handles that of of type to include
/// </summary>
/// <param name="include"></param>
/// <returns></returns>
public IEnumerable <XbimGeometryHandle> Include(params IfcEntityNameEnum[] include)
{
HashSet <IfcEntityNameEnum> includeSet = new HashSet <IfcEntityNameEnum>(include);
foreach (var inc in include)
{
IfcType ifcType = IfcMetaData.IfcType((short)inc);
foreach (var sub in ifcType.IfcSubTypes)
{
includeSet.Add(sub.IfcTypeEnum);
}
}
foreach (var h in this)
{
if (includeSet.Contains((IfcEntityNameEnum)h.IfcTypeId))
{
yield return(h);
}
}
}
public static void WriteEntity(this IPersistIfcEntity entity, BinaryWriter entityWriter)
{
IfcType ifcType = IfcMetaData.IfcType(entity);
// entityWriter.Write(Convert.ToByte(P21ParseAction.NewEntity));
entityWriter.Write(Convert.ToByte(P21ParseAction.BeginList));
foreach (IfcMetaProperty ifcProperty in ifcType.IfcProperties.Values)
//only write out persistent attributes, ignore inverses
{
if (ifcProperty.IfcAttribute.State == IfcAttributeState.DerivedOverride)
{
entityWriter.Write(Convert.ToByte(P21ParseAction.SetOverrideValue));
}
else
{
Type propType = ifcProperty.PropertyInfo.PropertyType;
object propVal = ifcProperty.PropertyInfo.GetValue(entity, null);
WriteProperty(propType, propVal, entityWriter);
}
}
entityWriter.Write(Convert.ToByte(P21ParseAction.EndList));
entityWriter.Write(Convert.ToByte(P21ParseAction.EndEntity));
}
/// <summary>
/// Returns all handles that are not of type to exclude
/// </summary>
/// <param name="exclude"></param>
/// <returns></returns>
public IEnumerable <XbimGeometryHandle> Exclude(params IfcEntityNameEnum[] exclude)
{
HashSet <IfcEntityNameEnum> excludeSet = new HashSet <IfcEntityNameEnum>(exclude);
foreach (var ex in exclude)
{
IfcType ifcType = IfcMetaData.IfcType((short)ex);
// bugfix here: loop did not use to include all implementations, but only first level down.
foreach (var sub in ifcType.NonAbstractSubTypes)
{
var ifcSub = IfcMetaData.IfcType(sub);
excludeSet.Add(ifcSub.IfcTypeEnum);
}
}
foreach (var h in this)
{
if (!excludeSet.Contains((IfcEntityNameEnum)h.IfcTypeId))
{
yield return(h);
}
}
}
/// <summary>
/// Writes the entity to a TextWriter in the Part21 format
/// </summary>
/// <param name="entityWriter">The TextWriter</param>
/// <param name="entity">The entity to write</param>
internal static void WriteEntity(this IPersistIfcEntity entity, TextWriter entityWriter, IDictionary <int, int> map = null)
{
if (map != null && map.Keys.Contains(entity.EntityLabel))
{
return; //if the entity is replaced in the map do not write it
}
entityWriter.Write(string.Format("#{0}={1}(", entity.EntityLabel, entity.GetType().Name.ToUpper()));
IfcType ifcType = IfcMetaData.IfcType(entity);
bool first = true;
foreach (IfcMetaProperty ifcProperty in ifcType.IfcProperties.Values)
//only write out persistent attributes, ignore inverses
{
if (ifcProperty.IfcAttribute.State == IfcAttributeState.DerivedOverride)
{
if (!first)
{
entityWriter.Write(',');
}
entityWriter.Write('*');
first = false;
}
else
{
Type propType = ifcProperty.PropertyInfo.PropertyType;
object propVal = ifcProperty.PropertyInfo.GetValue(entity, null);
if (!first)
{
entityWriter.Write(',');
}
WriteProperty(propType, propVal, entityWriter, map);
first = false;
}
}
entityWriter.WriteLine(");");
}
public XbimInstanceHandle(XbimModel model, int entityLabel, Type type)
{
Model = model;
EntityLabel = entityLabel;
EntityTypeId = IfcMetaData.IfcTypeId(type);
}
public IfcType this[string ifcTypeName]
{
get { return(IfcMetaData.IfcType(ifcTypeName)); }
}
internal static short?IfcTypeId(this Type type)
{
return(IfcMetaData.IfcTypeId(type));
}
private bool IsIfcEntity(string elementName, out IfcType ifcType)
{
return(IfcMetaData.TryGetIfcType(elementName.ToUpper(), out ifcType));
}
internal IfcType IfcType()
{
return(IfcMetaData.IfcType(EntityTypeId));
}
public override string ToString()
{
return(string.Format("{0},{1},{2},{3},{4},{5},{6},{7}", _instanceLabel, _styleLabel, IfcMetaData.GetType(_ifcTypeId).Name, _shapeLabel, _ifcProductLabel, _representationContext, _representationType, _transformation.ToString()));
}
/// <summary>
/// Returns the Xbim meta data about the Ifc Properties of the Type
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public static IfcType IfcType(this IPersistIfcEntity entity)
{
return(IfcMetaData.IfcType(entity));
}
public XbimInstanceHandle(IPersistIfcEntity entity)
{
Model = (XbimModel)entity.ModelOf;
this.EntityLabel = entity.EntityLabel;
this.EntityTypeId = IfcMetaData.IfcTypeId(entity);
}
