SenseNet.Search.Indexing.IndexDocumentInfo.CreateDocument C# (CSharp) Method

        internal static Document CreateDocument(IndexDocumentInfo info, IndexDocumentData docData)
        {
            var doc = new Document();
            foreach (var fieldInfo in info.fields)
                doc.Add(CreateField(fieldInfo));

            var path = docData.Path.ToLower();

            //doc.Add(new Field(LucObject.FieldName.Name, RepositoryPath.GetFileName(path), Field.Store.YES, Field.Index.ANALYZED));
            //doc.Add(new Field(LucObject.FieldName.Path, path, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));

            doc.Add(CreateStringField(LucObject.FieldName.Name, RepositoryPath.GetFileName(path), NameFieldIndexingInfo));
            doc.Add(CreateStringField(LucObject.FieldName.Path, path, NameFieldIndexingInfo));

            //LucObject.FieldName.Depth
            var nf = new NumericField(LucObject.FieldName.Depth, Field.Store.YES, true);
            nf.SetIntValue(DepthIndexHandler.GetDepth(docData.Path));
            doc.Add(nf);

            //LucObject.FieldName.InTree
            //var fields = InTreeIndexHandlerInstance.GetIndexFields(LucObject.FieldName.InTree, docData.Path);
            var fields = CreateInTreeFields(LucObject.FieldName.InTree, docData.Path);
            foreach (var field in fields)
                doc.Add(field);

            //LucObject.FieldName.InFolder
            doc.Add(CreateInFolderField(LucObject.FieldName.InFolder, path));

            //LucObject.FieldName.ParentId
            nf = new NumericField(LucObject.FieldName.ParentId, Field.Store.NO, true);
            nf.SetIntValue(docData.ParentId);
            doc.Add(nf);

            // flags
            doc.Add(new Field(LucObject.FieldName.IsLastPublic, docData.IsLastPublic ? BooleanIndexHandler.YES : BooleanIndexHandler.NO, Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.NO));
            doc.Add(new Field(LucObject.FieldName.IsLastDraft, docData.IsLastDraft ? BooleanIndexHandler.YES : BooleanIndexHandler.NO, Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.NO));

            // timestamps
            nf = new NumericField(LucObject.FieldName.NodeTimestamp, Field.Store.YES, true);
            nf.SetLongValue(docData.NodeTimestamp);
            doc.Add(nf);
            nf = new NumericField(LucObject.FieldName.VersionTimestamp, Field.Store.YES, true);
            nf.SetLongValue(docData.VersionTimestamp);
            doc.Add(nf);

            // custom fields
            if (info.HasCustomField)
            {
                var customFields = CustomIndexFieldManager.GetFields(info, docData);
                if (customFields != null)
                    foreach (var field in customFields)
                        doc.Add(field);
            }

            return doc;
        }
        private static AbstractField CreateField(IndexFieldInfo fieldInfo)