/// <summary>
        /// Process an IFCXML schema file
        /// </summary>
        /// <param name="ifcxmlSchemaFile">the IfcXML schema file info</param>
        public static bool ProcessIFCSchema(FileInfo ifcxmlSchemaFile)
        {
            if (ifcxmlSchemaFile.Name.Equals(loadedSchema) && IfcSchemaEntityTree.EntityDict.Count > 0)
            {
                return(false); // The schema file has been processed and loaded before
            }
            loadedSchema = ifcxmlSchemaFile.Name;
            IfcSchemaEntityTree.Initialize(loadedSchema);
            XmlTextReader reader    = new XmlTextReader(ifcxmlSchemaFile.FullName);
            XmlSchema     theSchema = XmlSchema.Read(reader, ValidationCallback);

            foreach (XmlSchemaObject item in theSchema.Items)
            {
                if (!(item is XmlSchemaComplexType))
                {
                    continue;
                }

                XmlSchemaComplexType ct = item as XmlSchemaComplexType;
                string entityName       = ct.Name;

                if (string.Compare(entityName, 0, "Ifc", 0, 3, ignoreCase: true) != 0)
                {
                    continue;
                }

                string parentName = string.Empty;

                if (ct.ContentModel == null)
                {
                    continue;
                }

                if (ct.ContentModel.Parent == null)
                {
                    continue;
                }

                if (ct.ContentModel.Parent is XmlSchemaComplexType)
                {
                    XmlSchemaComplexType             parent            = ct.ContentModel.Parent as XmlSchemaComplexType;
                    XmlSchemaSimpleContentExtension  parentSimpleType  = parent.ContentModel.Content as XmlSchemaSimpleContentExtension;
                    XmlSchemaComplexContentExtension parentComplexType = parent.ContentModel.Content as XmlSchemaComplexContentExtension;
                    if (parentSimpleType != null)
                    {
                        parentName = parentSimpleType.BaseTypeName.Name;
                    }
                    if (parentComplexType != null)
                    {
                        parentName = parentComplexType.BaseTypeName.Name;
                    }
                }

                IfcSchemaEntityTree.Add(entityName, parentName, isAbstract: ct.IsAbstract);
            }
            return(true);
        }
Example #2
0
        /// <summary>
        /// Process an IFCXML schema file
        /// </summary>
        /// <param name="ifcxmlSchemaFile">the IfcXML schema file info</param>
        public static bool ProcessIFCSchema(FileInfo ifcxmlSchemaFile)
        {
            if (ifcxmlSchemaFile.Name.Equals(loadedSchema) && IfcSchemaEntityTree.EntityDict.Count > 0)
            {
                return(false); // The schema file has been processed and loaded before
            }
            loadedSchema = Path.GetFileNameWithoutExtension(ifcxmlSchemaFile.Name);
            IfcSchemaEntityTree.Initialize(loadedSchema);
            XmlTextReader reader    = new XmlTextReader(ifcxmlSchemaFile.FullName);
            XmlSchema     theSchema = XmlSchema.Read(reader, ValidationCallback);

            foreach (XmlSchemaObject item in theSchema.Items)
            {
                if (item is XmlSchemaComplexType)
                {
                    XmlSchemaComplexType ct = item as XmlSchemaComplexType;
                    string entityName       = ct.Name;

                    if (string.Compare(entityName, 0, "Ifc", 0, 3, ignoreCase: true) != 0)
                    {
                        continue;
                    }

                    string parentName = string.Empty;

                    if (ct.ContentModel == null)
                    {
                        continue;
                    }

                    if (ct.ContentModel.Parent == null)
                    {
                        continue;
                    }

                    string predefTypeEnum = null;
                    if (ct.ContentModel.Parent is XmlSchemaComplexType)
                    {
                        XmlSchemaComplexType             parent            = ct.ContentModel.Parent as XmlSchemaComplexType;
                        XmlSchemaSimpleContentExtension  parentSimpleType  = parent.ContentModel.Content as XmlSchemaSimpleContentExtension;
                        XmlSchemaComplexContentExtension parentComplexType = parent.ContentModel.Content as XmlSchemaComplexContentExtension;
                        if (parentSimpleType != null)
                        {
                            parentName = parentSimpleType.BaseTypeName.Name;
                            foreach (XmlSchemaAttribute attr in parentSimpleType.Attributes)
                            {
                                if (attr.Name != null && attr.Name.Equals("PredefinedType", StringComparison.InvariantCultureIgnoreCase))
                                {
                                    predefTypeEnum = attr.SchemaTypeName.Name;
                                }
                            }
                        }
                        if (parentComplexType != null)
                        {
                            parentName = parentComplexType.BaseTypeName.Name;
                            foreach (XmlSchemaAttribute attr in parentComplexType.Attributes)
                            {
                                if (attr.Name != null && attr.Name.Equals("PredefinedType", StringComparison.InvariantCultureIgnoreCase))
                                {
                                    predefTypeEnum = attr.SchemaTypeName.Name;
                                    break;
                                }
                            }

                            if (string.IsNullOrEmpty(predefTypeEnum) && parentComplexType.Particle != null)
                            {
                                XmlSchemaSequence seq = parentComplexType.Particle as XmlSchemaSequence;
                                if (seq != null)
                                {
                                    foreach (XmlSchemaElement elem in seq.Items)
                                    {
                                        if (elem.Name != null && elem.Name.Equals("PredefinedType", StringComparison.InvariantCultureIgnoreCase))
                                        {
                                            predefTypeEnum = elem.SchemaTypeName.Name;
                                            break;
                                        }
                                    }
                                }
                            }
                        }
                    }

                    IfcSchemaEntityTree.Add(entityName, parentName, predefTypeEnum, isAbstract: ct.IsAbstract);
                }
                else if (item is XmlSchemaSimpleType)
                {
                    XmlSchemaSimpleType st = item as XmlSchemaSimpleType;
                    if (st.Name.StartsWith("Ifc", StringComparison.InvariantCultureIgnoreCase) &&
                        st.Name.EndsWith("Enum", StringComparison.InvariantCultureIgnoreCase))
                    {
                        string enumName = st.Name;
                        XmlSchemaSimpleTypeRestriction enums = st.Content as XmlSchemaSimpleTypeRestriction;
                        if (enums != null)
                        {
                            IList <string> enumValueList = new List <string>();
                            foreach (XmlSchemaEnumerationFacet enumFacet in enums.Facets)
                            {
                                if (IfcSchemaEntityTree.PredefinedTypeEnumDict.ContainsKey(enumName))
                                {
                                    IfcSchemaEntityTree.PredefinedTypeEnumDict[enumName].Add(enumFacet.Value.ToUpper());
                                }
                                else
                                {
                                    enumValueList.Add(enumFacet.Value.ToUpper());
                                }
                            }
                            if (enumValueList.Count > 0)
                            {
                                IfcSchemaEntityTree.PredefinedTypeEnumDict.Add(enumName, enumValueList);
                            }
                        }
                    }
                }
            }
            return(true);
        }