2 * Copyright (c) 2017 Pantheon Technologies, 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.yangtools.yang.parser.rfc7950.stmt.type;
10 import com.google.common.collect.ImmutableList;
11 import org.opendaylight.yangtools.yang.common.QName;
12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
13 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
14 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.PathEffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.RequireInstanceEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement.LeafrefSpecification;
19 import org.opendaylight.yangtools.yang.model.ri.type.BaseTypes;
20 import org.opendaylight.yangtools.yang.model.ri.type.LeafrefTypeBuilder;
21 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.CommonStmtCtx;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
26 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
28 final class LeafrefSpecificationSupport extends AbstractTypeSupport<LeafrefSpecification> {
29 private static final SubstatementValidator RFC6020_VALIDATOR =
30 SubstatementValidator.builder(YangStmtMapping.TYPE).addMandatory(YangStmtMapping.PATH).build();
31 private static final SubstatementValidator RFC7950_VALIDATOR =
32 SubstatementValidator.builder(YangStmtMapping.TYPE)
33 .addMandatory(YangStmtMapping.PATH)
34 .addOptional(YangStmtMapping.REQUIRE_INSTANCE)
37 private LeafrefSpecificationSupport(final YangParserConfiguration config, final SubstatementValidator validator) {
38 super(config, validator);
41 static LeafrefSpecificationSupport rfc6020Instance(final YangParserConfiguration config) {
42 return new LeafrefSpecificationSupport(config, RFC6020_VALIDATOR);
45 static LeafrefSpecificationSupport rfc7950Instance(final YangParserConfiguration config) {
46 return new LeafrefSpecificationSupport(config, RFC7950_VALIDATOR);
50 protected LeafrefSpecification createDeclared(final StmtContext<QName, LeafrefSpecification, ?> ctx,
51 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
52 if (substatements.isEmpty()) {
55 return new LeafrefSpecificationImpl(ctx.getRawArgument(), ctx.getArgument(), substatements);
59 protected LeafrefSpecification attachDeclarationReference(final LeafrefSpecification stmt,
60 final DeclarationReference reference) {
61 return new RefLeafrefSpecification(stmt, reference);
65 protected EffectiveStatement<QName, LeafrefSpecification> createEffective(
66 final Current<QName, LeafrefSpecification> stmt,
67 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
68 if (substatements.isEmpty()) {
72 final LeafrefTypeBuilder builder = BaseTypes.leafrefTypeBuilder(stmt.argumentAsTypeQName());
74 for (final EffectiveStatement<?, ?> subStmt : substatements) {
75 if (subStmt instanceof PathEffectiveStatement) {
76 builder.setPathStatement(((PathEffectiveStatement) subStmt).argument());
77 } else if (subStmt instanceof RequireInstanceEffectiveStatement) {
78 builder.setRequireInstance(((RequireInstanceEffectiveStatement)subStmt).argument());
82 return new TypeEffectiveStatementImpl<>(stmt.declared(), substatements, builder);
85 private static SourceException noPath(final CommonStmtCtx stmt) {
87 * https://tools.ietf.org/html/rfc7950#section-9.12
89 * When the type is "union", the "type" statement (Section 7.4) MUST be
92 return new SourceException("A path statement has to be present", stmt);