diff -r 6ef41443211e -r 85b6f13f1088 src/lib/uri.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lib/uri.h	Thu Jul 22 20:01:03 2021 +0200
@@ -0,0 +1,53 @@
+/**
+ * Relational pipes
+ * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info;
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+namespace relpipe {
+namespace in {
+namespace asn1 {
+namespace lib {
+
+// TODO: these strings will become globally unique URIs (or IRIs) after moving to alt2xml and relative/unprefixed names should also work
+
+/** general options of the ASN.1 parser */
+namespace option {
+static const char* Encoding = "encoding";
+static const char* ParseEncapsulated = "parse-encapsulated";
+}
+
+namespace encoding {
+static const char* ber = "BER";
+static const char* der = "DER";
+static const char* cer = "CER";
+static const char* xer = "XER";
+static const char* per = "PER";
+static const char* asn1 = "ASN.1"; // schema, model
+}
+
+/** options for configuring the stage where events from the ASN.1 parser are converted to SAX events or DOM building */
+namespace xml {
+static const char* TreeWithNamespaces = "tree-with-namespaces";
+static const char* TreeStyle = "tree-style";
+static const char* RootName = "root-name";
+
+static const char* XMLNS = "tag:globalcode.info,2018:alt2xml:TEMPORARY:asn1"; // not an option and might change, just preliminary namespace
+}
+
+}
+}
+}
+}