System.Xml.Schema.XsdValidator.ProcessXsiAttributes C# (CSharp) Method

        private void ProcessXsiAttributes(out XmlQualifiedName xsiType, out string xsiNil) {
            string[] xsiSchemaLocation = null;
            string xsiNoNamespaceSchemaLocation = null;
            xsiType = XmlQualifiedName.Empty;
            xsiNil = null;

            if (reader.Depth == 0) {
                //Load schema for empty namespace
                LoadSchema(string.Empty, null);
            
                //Should load schemas for namespaces already added to nsManager
                foreach(string ns in nsManager.GetNamespacesInScope(XmlNamespaceScope.ExcludeXml).Values) {
                    LoadSchema(ns, null);
                }
            }

            if (reader.MoveToFirstAttribute()) {
                do {
                    string objectNs = reader.NamespaceURI;
                    string objectName = reader.LocalName;
                    if (Ref.Equal(objectNs, NsXmlNs)) {
                        LoadSchema(reader.Value, null);
                        if (bManageNamespaces) {
                            nsManager.AddNamespace(reader.Prefix.Length == 0 ? string.Empty : reader.LocalName, reader.Value);
                        }
                    }
                    else if (Ref.Equal(objectNs, NsXsi)) {
                        if (Ref.Equal(objectName, XsiSchemaLocation)) {
                            xsiSchemaLocation = (string[])dtStringArray.ParseValue(reader.Value, NameTable, nsManager);
                        }
                        else if (Ref.Equal(objectName, XsiNoNamespaceSchemaLocation)) {
                            xsiNoNamespaceSchemaLocation = reader.Value;
                        }
                        else if (Ref.Equal(objectName, XsiType)) {
                            xsiType = (XmlQualifiedName)dtQName.ParseValue(reader.Value, NameTable, nsManager);
                        }
                        else if (Ref.Equal(objectName, XsiNil)) {
                            xsiNil = reader.Value;
                        }
                    }
                } while(reader.MoveToNextAttribute());
                reader.MoveToElement();
            }
            if (xsiNoNamespaceSchemaLocation != null) {
                LoadSchema(string.Empty, xsiNoNamespaceSchemaLocation);
            }
            if (xsiSchemaLocation != null) {
                for (int i = 0; i < xsiSchemaLocation.Length - 1; i += 2) {
                    LoadSchema((string)xsiSchemaLocation[i], (string)xsiSchemaLocation[i + 1]);
                }
            }
        }