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 static com.google.common.base.Verify.verify;
12 import com.google.common.annotations.Beta;
13 import com.google.common.collect.ImmutableList;
14 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
15 import java.util.Collection;
16 import java.util.Optional;
17 import org.eclipse.jdt.annotation.NonNull;
18 import org.eclipse.jdt.annotation.Nullable;
19 import org.opendaylight.yangtools.yang.common.QName;
20 import org.opendaylight.yangtools.yang.model.api.CaseSchemaNode;
21 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
22 import org.opendaylight.yangtools.yang.model.api.Status;
23 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
24 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
25 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
26 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
27 import org.opendaylight.yangtools.yang.model.api.stmt.CaseEffectiveStatement;
28 import org.opendaylight.yangtools.yang.model.api.stmt.CaseStatement;
29 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
30 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
31 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
32 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
33 import org.opendaylight.yangtools.yang.model.ri.stmt.UndeclaredStatements;
34 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
35 import org.opendaylight.yangtools.yang.model.spi.meta.SubstatementIndexingException;
36 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
37 import org.opendaylight.yangtools.yang.parser.spi.meta.BoundStmtCtx;
38 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStatementState;
39 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
40 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Parent.EffectiveConfig;
41 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.UndeclaredCurrent;
42 import org.opendaylight.yangtools.yang.parser.spi.meta.QNameWithFlagsEffectiveStatementState;
43 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
44 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
47 public final class CaseStatementSupport
48 extends AbstractImplicitStatementSupport<CaseStatement, CaseEffectiveStatement> {
49 private static final SubstatementValidator RFC6020_VALIDATOR = SubstatementValidator.builder(YangStmtMapping.CASE)
50 .addAny(YangStmtMapping.ANYXML)
51 .addAny(YangStmtMapping.CHOICE)
52 .addAny(YangStmtMapping.CONTAINER)
53 .addOptional(YangStmtMapping.DESCRIPTION)
54 .addAny(YangStmtMapping.IF_FEATURE)
55 .addAny(YangStmtMapping.LEAF)
56 .addAny(YangStmtMapping.LEAF_LIST)
57 .addAny(YangStmtMapping.LIST)
58 .addOptional(YangStmtMapping.REFERENCE)
59 .addOptional(YangStmtMapping.STATUS)
60 .addAny(YangStmtMapping.USES)
61 .addOptional(YangStmtMapping.WHEN)
63 private static final SubstatementValidator RFC7950_VALIDATOR = SubstatementValidator.builder(YangStmtMapping.CASE)
64 .addAny(YangStmtMapping.ANYDATA)
65 .addAny(YangStmtMapping.ANYXML)
66 .addAny(YangStmtMapping.CHOICE)
67 .addAny(YangStmtMapping.CONTAINER)
68 .addOptional(YangStmtMapping.DESCRIPTION)
69 .addAny(YangStmtMapping.IF_FEATURE)
70 .addAny(YangStmtMapping.LEAF)
71 .addAny(YangStmtMapping.LEAF_LIST)
72 .addAny(YangStmtMapping.LIST)
73 .addOptional(YangStmtMapping.REFERENCE)
74 .addOptional(YangStmtMapping.STATUS)
75 .addAny(YangStmtMapping.USES)
76 .addOptional(YangStmtMapping.WHEN)
79 private CaseStatementSupport(final YangParserConfiguration config, final SubstatementValidator validator) {
80 super(YangStmtMapping.CASE, instantiatedPolicy(), config, validator);
83 public static @NonNull CaseStatementSupport rfc6020Instance(final YangParserConfiguration config) {
84 return new CaseStatementSupport(config, RFC6020_VALIDATOR);
87 public static @NonNull CaseStatementSupport rfc7950Instance(final YangParserConfiguration config) {
88 return new CaseStatementSupport(config, RFC7950_VALIDATOR);
92 protected CaseStatement createDeclared(final BoundStmtCtx<QName> ctx,
93 final ImmutableList<DeclaredStatement<?>> substatements) {
94 return DeclaredStatements.createCase(ctx.getArgument(), substatements);
98 protected CaseStatement attachDeclarationReference(final CaseStatement stmt, final DeclarationReference reference) {
99 return DeclaredStatementDecorators.decorateCase(stmt, reference);
103 protected CaseEffectiveStatement createEffective(final Current<QName, CaseStatement> stmt,
104 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
106 return EffectiveStatements.createCase(stmt.declared(), stmt.getArgument(),
107 computeFlags(stmt, substatements), substatements);
108 } catch (SubstatementIndexingException e) {
109 throw new SourceException(e.getMessage(), stmt, e);
114 public CaseEffectiveStatement copyEffective(final Current<QName, CaseStatement> stmt,
115 final CaseEffectiveStatement original) {
116 return EffectiveStatements.copyCase(original, stmt.getArgument(),
117 computeFlags(stmt, original.effectiveSubstatements()));
121 protected CaseEffectiveStatement createUndeclaredEffective(final UndeclaredCurrent<QName, CaseStatement> stmt,
122 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
124 return UndeclaredStatements.createCase(stmt.getArgument(), computeFlags(stmt, substatements),
126 } catch (SubstatementIndexingException e) {
127 throw new SourceException(e.getMessage(), stmt, e);
132 public EffectiveStatementState extractEffectiveState(final CaseEffectiveStatement stmt) {
133 verify(stmt instanceof CaseSchemaNode, "Unexpected statement %s", stmt);
134 final var schema = (CaseSchemaNode) stmt;
135 return new QNameWithFlagsEffectiveStatementState(stmt.argument(), new FlagsBuilder()
137 .setStatus(schema.getStatus())
138 .setConfiguration(schema.effectiveConfig().orElse(null))
142 private static int computeFlags(final Current<?, ?> stmt,
143 final Collection<? extends EffectiveStatement<?, ?>> substatements) {
144 final Boolean config;
145 final EffectiveConfig effective = stmt.effectiveConfig();
148 config = Boolean.FALSE;
154 final Boolean sub = substatementEffectiveConfig(substatements);
155 config = sub != null ? sub : Boolean.TRUE;
158 config = substatementEffectiveConfig(substatements);
161 throw new IllegalStateException("Unhandled effective config " + effective);
164 return new FlagsBuilder()
165 .setHistory(stmt.history())
166 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
167 .setConfiguration(config)
171 @SuppressFBWarnings(value = "NP_BOOLEAN_RETURN_NULL", justification = "Internal use tagged with @Nullable")
172 private static @Nullable Boolean substatementEffectiveConfig(
173 final Collection<? extends EffectiveStatement<?, ?>> substatements) {
174 for (EffectiveStatement<?, ?> stmt : substatements) {
175 if (stmt instanceof DataSchemaNode) {
176 final Optional<Boolean> opt = ((DataSchemaNode) stmt).effectiveConfig();
177 if (opt.isPresent()) {
178 return opt.orElseThrow();