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.case_;
10 import static java.util.Objects.requireNonNull;
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.Optional;
16 import org.eclipse.jdt.annotation.NonNull;
17 import org.eclipse.jdt.annotation.Nullable;
18 import org.opendaylight.yangtools.yang.common.QName;
19 import org.opendaylight.yangtools.yang.model.api.CaseSchemaNode;
20 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
21 import org.opendaylight.yangtools.yang.model.api.Status;
22 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
23 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
24 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
25 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
26 import org.opendaylight.yangtools.yang.model.api.stmt.CaseEffectiveStatement;
27 import org.opendaylight.yangtools.yang.model.api.stmt.CaseStatement;
28 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
29 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseImplicitStatementSupport;
30 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
31 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.SubstatementIndexingException;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Parent.EffectiveConfig;
34 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
35 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
36 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
39 public final class CaseStatementSupport
40 extends BaseImplicitStatementSupport<CaseStatement, CaseEffectiveStatement> {
41 private static final @NonNull CaseStatementSupport RFC6020_INSTANCE = new CaseStatementSupport(
42 SubstatementValidator.builder(YangStmtMapping.CASE)
43 .addAny(YangStmtMapping.ANYXML)
44 .addAny(YangStmtMapping.CHOICE)
45 .addAny(YangStmtMapping.CONTAINER)
46 .addOptional(YangStmtMapping.DESCRIPTION)
47 .addAny(YangStmtMapping.IF_FEATURE)
48 .addAny(YangStmtMapping.LEAF)
49 .addAny(YangStmtMapping.LEAF_LIST)
50 .addAny(YangStmtMapping.LIST)
51 .addOptional(YangStmtMapping.REFERENCE)
52 .addOptional(YangStmtMapping.STATUS)
53 .addAny(YangStmtMapping.USES)
54 .addOptional(YangStmtMapping.WHEN)
56 private static final @NonNull CaseStatementSupport RFC7950_INSTANCE = new CaseStatementSupport(
57 SubstatementValidator.builder(YangStmtMapping.CASE)
58 .addAny(YangStmtMapping.ANYDATA)
59 .addAny(YangStmtMapping.ANYXML)
60 .addAny(YangStmtMapping.CHOICE)
61 .addAny(YangStmtMapping.CONTAINER)
62 .addOptional(YangStmtMapping.DESCRIPTION)
63 .addAny(YangStmtMapping.IF_FEATURE)
64 .addAny(YangStmtMapping.LEAF)
65 .addAny(YangStmtMapping.LEAF_LIST)
66 .addAny(YangStmtMapping.LIST)
67 .addOptional(YangStmtMapping.REFERENCE)
68 .addOptional(YangStmtMapping.STATUS)
69 .addAny(YangStmtMapping.USES)
70 .addOptional(YangStmtMapping.WHEN)
73 private final SubstatementValidator validator;
75 private CaseStatementSupport(final SubstatementValidator validator) {
76 super(YangStmtMapping.CASE, StatementPolicy.legacyDeclaredCopy());
77 this.validator = requireNonNull(validator);
80 public static @NonNull CaseStatementSupport rfc6020Instance() {
81 return RFC6020_INSTANCE;
84 public static @NonNull CaseStatementSupport rfc7950Instance() {
85 return RFC7950_INSTANCE;
89 protected SubstatementValidator getSubstatementValidator() {
94 protected CaseStatement createDeclared(final StmtContext<QName, CaseStatement, ?> ctx,
95 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
96 final StatementSource source = ctx.source();
99 return new RegularUndeclaredCaseStatement(ctx.getArgument(), substatements);
101 return new RegularCaseStatement(ctx.getArgument(), substatements);
103 throw new IllegalStateException("Unhandled statement source " + source);
108 protected CaseStatement createEmptyDeclared(final StmtContext<QName, CaseStatement, ?> ctx) {
109 final StatementSource source = ctx.source();
112 return new EmptyUndeclaredCaseStatement(ctx.getArgument());
114 return new EmptyCaseStatement(ctx.getArgument());
116 throw new IllegalStateException("Unhandled statement source " + source);
121 protected CaseEffectiveStatement createDeclaredEffective(final Current<QName, CaseStatement> stmt,
122 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
124 return new DeclaredCaseEffectiveStatement(stmt.declared(), substatements, computeFlags(stmt, substatements),
125 stmt.wrapSchemaPath(), findOriginal(stmt));
126 } catch (SubstatementIndexingException e) {
127 throw new SourceException(e.getMessage(), stmt, e);
132 protected CaseEffectiveStatement createUndeclaredEffective(final Current<QName, CaseStatement> stmt,
133 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
135 return new UndeclaredCaseEffectiveStatement(substatements, computeFlags(stmt, substatements),
136 stmt.wrapSchemaPath(), findOriginal(stmt));
137 } catch (SubstatementIndexingException e) {
138 throw new SourceException(e.getMessage(), stmt, e);
142 private static @Nullable CaseSchemaNode findOriginal(final Current<?, ?> stmt) {
143 return (CaseSchemaNode) stmt.original();
146 private static int computeFlags(final Current<?, ?> stmt,
147 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
148 final Boolean config;
149 final EffectiveConfig effective = stmt.effectiveConfig();
152 config = Boolean.FALSE;
158 final Boolean sub = substatementEffectiveConfig(substatements);
159 config = sub != null ? sub : Boolean.TRUE;
162 config = substatementEffectiveConfig(substatements);
165 throw new IllegalStateException("Unhandled effective config " + effective);
168 return new FlagsBuilder()
169 .setHistory(stmt.history())
170 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
171 .setConfiguration(config)
175 @SuppressFBWarnings(value = "NP_BOOLEAN_RETURN_NULL", justification = "Internal use tagged with @Nullable")
176 private static @Nullable Boolean substatementEffectiveConfig(
177 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
178 for (EffectiveStatement<?, ?> stmt : substatements) {
179 if (stmt instanceof DataSchemaNode) {
180 final Optional<Boolean> opt = ((DataSchemaNode) stmt).effectiveConfig();
181 if (opt.isPresent()) {
182 return opt.orElseThrow();