2 * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.restconf.nb.rfc8040.utils.parser;
10 import com.google.common.base.CharMatcher;
13 * Various constants related to RFC3986 (URI) and RFC7950 (YANG) parsing in the context of RFC8040.
15 final class ParserConstants {
16 // Reserved characters as per https://tools.ietf.org/html/rfc3986#section-2.2
17 static final String RFC3986_RESERVED_CHARACTERS = ":/?#[]@" + "!$&'()*+,;="
18 // FIXME: this space should not be here, but that was a day-0 bug and we have asserts on this
21 // First character of RFC7950 "identifier" rule
22 static final CharMatcher YANG_IDENTIFIER_START =
23 CharMatcher.inRange('A', 'Z').or(CharMatcher.inRange('a', 'z').or(CharMatcher.is('_'))).precomputed();
24 // Subsequent characters of RFC7950 "identifier" rule
25 static final CharMatcher YANG_IDENTIFIER_PART =
26 YANG_IDENTIFIER_START.or(CharMatcher.inRange('0', '9')).or(CharMatcher.anyOf("-.")).precomputed();
28 private ParserConstants() {