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.meta;
10 import com.google.common.collect.ImmutableList;
11 import org.opendaylight.yangtools.yang.common.QName;
12 import org.opendaylight.yangtools.yang.model.api.Status;
13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
14 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.FeatureEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.FeatureStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
20 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
21 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
22 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
23 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
24 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
25 import org.opendaylight.yangtools.yang.parser.spi.FeatureNamespace;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractQNameStatementSupport;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
28 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
29 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
30 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
32 import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace;
33 import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace.SupportedFeatures;
35 public final class FeatureStatementSupport
36 extends AbstractQNameStatementSupport<FeatureStatement, FeatureEffectiveStatement> {
37 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
38 SubstatementValidator.builder(YangStmtMapping.FEATURE)
39 .addOptional(YangStmtMapping.DESCRIPTION)
40 .addAny(YangStmtMapping.IF_FEATURE)
41 .addOptional(YangStmtMapping.STATUS)
42 .addOptional(YangStmtMapping.REFERENCE)
45 public FeatureStatementSupport(final YangParserConfiguration config) {
46 super(YangStmtMapping.FEATURE, StatementPolicy.reject(), config, SUBSTATEMENT_VALIDATOR);
50 public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
51 return StmtContextUtils.parseIdentifier(ctx, value);
55 public void onFullDefinitionDeclared(final Mutable<QName, FeatureStatement, FeatureEffectiveStatement> stmt) {
56 super.onFullDefinitionDeclared(stmt);
57 stmt.addContext(FeatureNamespace.class, stmt.getArgument(), stmt);
59 // Do not build effective statement if supported features does not include this feature
60 final var supportedFeatures = stmt.getFromNamespace(SupportedFeaturesNamespace.class,
61 SupportedFeatures.SUPPORTED_FEATURES);
62 if (supportedFeatures != null && !supportedFeatures.contains(stmt.getArgument())) {
63 stmt.setIsSupportedToBuildEffective(false);
68 protected FeatureStatement createDeclared(final StmtContext<QName, FeatureStatement, ?> ctx,
69 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
70 return DeclaredStatements.createFeature(ctx.getArgument(), substatements);
74 protected FeatureStatement attachDeclarationReference(final FeatureStatement stmt,
75 final DeclarationReference reference) {
76 return DeclaredStatementDecorators.decorateFeature(stmt, reference);
80 protected FeatureEffectiveStatement createEffective(final Current<QName, FeatureStatement> stmt,
81 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
82 return EffectiveStatements.createFeature(stmt.declared(), stmt.effectivePath(), computeFlags(substatements),
86 private static int computeFlags(final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
87 return new FlagsBuilder()
88 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))