public static IFCEntityType GetValidIFCEntityType(string entityType)
{
IFCEntityType ret = IFCEntityType.UnKnown;
var ifcEntitySchemaTree = IfcSchemaEntityTree.GetEntityDictFor(ExporterCacheManager.ExportOptionsCache.FileVersion);
if (ifcEntitySchemaTree == null || ifcEntitySchemaTree.Count == 0)
{
throw new Exception("Unable to locate IFC Schema xsd file! Make sure the relevant xsd " + ExporterCacheManager.ExportOptionsCache.FileVersion + " exists.");
}
IfcSchemaEntityNode node = IfcSchemaEntityTree.Find(entityType);
if (node != null && !node.isAbstract)
{
IFCEntityType ifcType = IFCEntityType.UnKnown;
// Only IfcProduct or IfcTypeProduct can be assigned for export type
if (!node.IsSubTypeOf("IfcProduct") && !node.IsSubTypeOf("IfcTypeProduct"))
{
ret = ifcType;
}
else
if (IFCEntityType.TryParse(entityType, out ifcType))
{
ret = ifcType;
}
}
return(ret);
}
/// <summary>
/// Get valid IFC entity type by using the official IFC schema (using the XML schema). It checks the non-abstract valid entity.
/// If it is found to be abstract, it will try to find its supertype until it finds a non-abstract type.
/// </summary>
/// <param name="entityType">the IFC entity type (string) to check</param>
/// <returns>return the appropriate IFCEntityType enumeration or Unknown</returns>
public static IFCEntityType GetValidIFCEntityType(string entityType)
{
IFCVersion ifcVersion = ExporterCacheManager.ExportOptionsCache.FileVersion;
IFCEntityType ret = IFCEntityType.UnKnown;
var ifcEntitySchemaTree = IfcSchemaEntityTree.GetEntityDictFor(ExporterCacheManager.ExportOptionsCache.FileVersion);
if (ifcEntitySchemaTree == null || ifcEntitySchemaTree.IfcEntityDict == null || ifcEntitySchemaTree.IfcEntityDict.Count == 0)
{
throw new Exception("Unable to locate IFC Schema xsd file! Make sure the relevant xsd " + ExporterCacheManager.ExportOptionsCache.FileVersion + " exists.");
}
IfcSchemaEntityNode node = ifcEntitySchemaTree.Find(entityType);
IFCEntityType ifcType = IFCEntityType.UnKnown;
if (node != null && !node.isAbstract)
{
// Only IfcProduct or IfcTypeProduct can be assigned for export type
//if (!node.IsSubTypeOf("IfcProduct") && !node.IsSubTypeOf("IfcTypeProduct") && !node.Name.Equals("IfcGroup", StringComparison.InvariantCultureIgnoreCase))
if ((node.IsSubTypeOf("IfcObject") &&
(node.IsSubTypeOf("IfcProduct") || node.IsSubTypeOf("IfcGroup") || node.Name.Equals("IfcGroup", StringComparison.InvariantCultureIgnoreCase))) ||
node.IsSubTypeOf("IfcProject") || node.Name.Equals("IfcProject", StringComparison.InvariantCultureIgnoreCase) ||
node.IsSubTypeOf("IfcTypeObject"))
{
if (IFCEntityType.TryParse(entityType, true, out ifcType))
{
ret = ifcType;
}
}
else
{
ret = ifcType;
}
}
else if (node != null && node.isAbstract)
{
node = IfcSchemaEntityTree.FindNonAbsSuperType(ifcVersion, entityType, "IfcProduct", "IfcProductType", "IfcGroup", "IfcProject");
if (node != null)
{
if (Enum.TryParse <IFCEntityType>(node.Name, true, out ifcType))
{
ret = ifcType;
}
}
}
return(ret);
}
/// <summary>
/// Set the pair information using only either the entity or the type
/// </summary>
/// <param name="entityTypeStr">the entity or type string</param>
/// <param name="predefineType">predefinedtype string</param>
public void SetValueWithPair(string entityTypeStr, string predefineType = null)
{
int typeLen = 4;
bool isType = entityTypeStr.Substring(entityTypeStr.Length - 4, 4).Equals("Type", StringComparison.CurrentCultureIgnoreCase);
if (!isType)
{
if (entityTypeStr.Equals("IfcDoorStyle", StringComparison.InvariantCultureIgnoreCase) ||
entityTypeStr.Equals("IfcWindowStyle", StringComparison.InvariantCultureIgnoreCase))
{
isType = true;
typeLen = 5;
}
}
if (isType)
{
// Get the instance
string instName = entityTypeStr.Substring(0, entityTypeStr.Length - typeLen);
IfcSchemaEntityNode node = IfcSchemaEntityTree.Find(instName);
if (node != null && !node.isAbstract)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(instName, true, out instType))
{
m_ExportInstance = instType;
}
}
else
{
// If not found, try non-abstract supertype derived from the type
node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(instName);
if (node != null)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, true, out instType))
{
m_ExportInstance = instType;
}
}
}
// set the type
IFCEntityType entityType = ElementFilteringUtil.GetValidIFCEntityType(entityTypeStr);
if (entityType != IFCEntityType.UnKnown)
{
m_ExportType = entityType;
}
else
{
node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(entityTypeStr);
if (node != null)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, true, out instType))
{
m_ExportType = instType;
}
}
}
}
else
{
// set the instance
IFCEntityType instType = ElementFilteringUtil.GetValidIFCEntityType(entityTypeStr);
if (instType != IFCEntityType.UnKnown)
{
m_ExportInstance = instType;
}
else
{
// If not found, try non-abstract supertype derived from the type
IfcSchemaEntityNode node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(entityTypeStr);
if (node != null)
{
instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, true, out instType))
{
m_ExportInstance = instType;
}
}
}
// set the type pair
string typeName = entityTypeStr;
if (ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4 &&
(entityTypeStr.Equals("IfcDoor", StringComparison.InvariantCultureIgnoreCase) ||
entityTypeStr.Equals("IfcWindow", StringComparison.InvariantCultureIgnoreCase)))
{
typeName += "Style";
}
else
{
typeName += "Type";
}
IFCEntityType entityType = ElementFilteringUtil.GetValidIFCEntityType(typeName);
if (entityType != IFCEntityType.UnKnown)
{
m_ExportType = entityType;
}
else
{
// If the type name is not found, likely it does not have the pair at this level, needs to get the supertype of the instance to get the type pair
IList <IfcSchemaEntityNode> instNodes = IfcSchemaEntityTree.FindAllSuperTypes(entityTypeStr, "IfcProduct", "IfcGroup");
foreach (IfcSchemaEntityNode instNode in instNodes)
{
typeName = instNode.Name + "Type";
IfcSchemaEntityNode node = IfcSchemaEntityTree.Find(typeName);
if (node == null)
{
node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(typeName);
}
if (node != null && !node.isAbstract)
{
instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, true, out instType))
{
m_ExportType = instType;
break;
}
}
}
}
}
ValidatedPredefinedType = predefineType;
}
/// <summary>
/// Gets export type from IFC class name.
/// </summary>
/// <param name="ifcClassName">The IFC class name.</param>
/// <returns>The export type.</returns>
public static IFCExportInfoPair GetExportTypeFromClassName(String ifcClassName)
{
IFCExportInfoPair exportInfoPair = new IFCExportInfoPair();
if (ifcClassName.StartsWith("Ifc", true, null))
{
// Here we try to catch any possible types that are missing above by checking both the class name or the type name
// Unless there is any special treatment needed most of the above check can be done here
string clName = ifcClassName.Substring(ifcClassName.Length - 4, 4).Equals("Type", StringComparison.CurrentCultureIgnoreCase) ? ifcClassName.Substring(0, ifcClassName.Length - 4) : ifcClassName;
string tyName = null;
if (((ExporterCacheManager.ExportOptionsCache.ExportAs2x2 || ExporterCacheManager.ExportOptionsCache.ExportAs2x3)) &&
(clName.Equals("IfcDoor", StringComparison.InvariantCultureIgnoreCase) || clName.Equals("ifcWindow", StringComparison.InvariantCultureIgnoreCase)))
{
// Prior to IFC4 Door and Window types are not "Ifc..Type", but "Ifc.. Style"
tyName = clName + "Style";
}
else
{
tyName = clName + "Type";
}
IFCEntityType theGenExportClass;
IFCEntityType theGenExportType;
var ifcEntitySchemaTree = IfcSchemaEntityTree.GetEntityDictFor(ExporterCacheManager.ExportOptionsCache.FileVersion);
if (ifcEntitySchemaTree == null || ifcEntitySchemaTree.Count == 0)
{
throw new Exception("Unable to locate IFC Schema xsd file! Make sure the relevant xsd " + ExporterCacheManager.ExportOptionsCache.FileVersion + " exists.");
}
bool clNameValid = false;
bool tyNameValid = false;
IfcSchemaEntityNode clNode = IfcSchemaEntityTree.Find(clName);
if (clNode != null)
{
clNameValid = IfcSchemaEntityTree.IsSubTypeOf(clName, "IfcProduct") && !clNode.isAbstract;
}
IfcSchemaEntityNode tyNode = IfcSchemaEntityTree.Find(tyName);
if (tyNode != null)
{
tyNameValid = IfcSchemaEntityTree.IsSubTypeOf(tyName, "IfcTypeProduct") && !tyNode.isAbstract;
}
if (tyNameValid)
{
if (IFCEntityType.TryParse(tyName, out theGenExportType))
{
exportInfoPair.ExportType = theGenExportType;
}
}
if (clNameValid)
{
if (IFCEntityType.TryParse(clName, out theGenExportClass))
{
exportInfoPair.ExportInstance = theGenExportClass;
}
}
// If the instance is not valid, but the type is valid, try find the paired instance supertype that is not Abstract type
else if (tyNameValid)
{
IfcSchemaEntityNode compatibleInstance = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(tyName);
if (compatibleInstance != null)
{
if (IFCEntityType.TryParse(compatibleInstance.Name, out theGenExportClass))
{
exportInfoPair.ExportInstance = theGenExportClass;
}
}
}
// This used to throw an exception, but this could abort export if the user enters a bad IFC class name
// in the ExportLayerOptions table. In the future, we should log this.
//throw new Exception("IFC: Unknown IFC type in getExportTypeFromClassName: " + ifcClassName);
//return IFCExportType.IfcBuildingElementProxyType;
if (exportInfoPair.ExportInstance == IFCEntityType.UnKnown)
{
exportInfoPair.ExportInstance = IFCEntityType.IfcBuildingElementProxy;
}
}
//return IFCExportType.DontExport;
return(exportInfoPair);
}
/// <summary>
/// Set the pair information using only either the entity or the type
/// </summary>
/// <param name="entityType">the entity or type</param>
public void SetValueWithPair(IFCEntityType entityType)
{
string entityTypeStr = entityType.ToString();
bool isType = entityTypeStr.Substring(entityTypeStr.Length - 4, 4).Equals("Type", StringComparison.CurrentCultureIgnoreCase);
if (isType)
{
// Get the instance
string instName = entityTypeStr.Substring(0, entityTypeStr.Length - 4);
IfcSchemaEntityNode node = IfcSchemaEntityTree.Find(instName);
if (node != null && !node.isAbstract)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(instName, out instType))
{
ExportInstance = instType;
}
}
// If not found, try non-abstract supertype derived from the type
node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(instName);
if (node != null)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, out instType))
{
ExportInstance = instType;
}
}
// set the type
entityType = ElementFilteringUtil.GetValidIFCEntityType(entityType);
if (entityType != IFCEntityType.UnKnown)
{
ExportType = entityType;
}
else
{
node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(entityTypeStr);
if (node != null)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, out instType))
{
ExportType = instType;
}
}
}
}
else
{
// set the instance
entityType = ElementFilteringUtil.GetValidIFCEntityType(entityType);
if (entityType != IFCEntityType.UnKnown)
{
ExportInstance = entityType;
}
else
{
// If not found, try non-abstract supertype derived from the type
IfcSchemaEntityNode node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(entityTypeStr);
if (node != null)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, out instType))
{
ExportInstance = instType;
}
}
}
// set the type pair
string typeName = entityType.ToString() + "Type";
entityType = ElementFilteringUtil.GetValidIFCEntityType(typeName);
if (entityType != IFCEntityType.UnKnown)
{
ExportType = entityType;
}
else
{
IfcSchemaEntityNode node = IfcSchemaEntityTree.FindNonAbsInstanceSuperType(typeName);
if (node != null)
{
IFCEntityType instType = IFCEntityType.UnKnown;
if (IFCEntityType.TryParse(node.Name, out instType))
{
ExportType = instType;
}
}
}
}
}