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.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.DeclaredStatement;
25 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
26 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
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.parser.rfc7950.stmt.BaseImplicitStatementSupport;
31 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
32 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.SubstatementIndexingException;
33 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
34 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Parent.EffectiveConfig;
35 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
36 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
37 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
40 public final class CaseStatementSupport
41 extends BaseImplicitStatementSupport<CaseStatement, CaseEffectiveStatement> {
42 private static final @NonNull CaseStatementSupport RFC6020_INSTANCE = new CaseStatementSupport(
43 SubstatementValidator.builder(YangStmtMapping.CASE)
44 .addAny(YangStmtMapping.ANYXML)
45 .addAny(YangStmtMapping.CHOICE)
46 .addAny(YangStmtMapping.CONTAINER)
47 .addOptional(YangStmtMapping.DESCRIPTION)
48 .addAny(YangStmtMapping.IF_FEATURE)
49 .addAny(YangStmtMapping.LEAF)
50 .addAny(YangStmtMapping.LEAF_LIST)
51 .addAny(YangStmtMapping.LIST)
52 .addOptional(YangStmtMapping.REFERENCE)
53 .addOptional(YangStmtMapping.STATUS)
54 .addAny(YangStmtMapping.USES)
55 .addOptional(YangStmtMapping.WHEN)
57 private static final @NonNull CaseStatementSupport RFC7950_INSTANCE = new CaseStatementSupport(
58 SubstatementValidator.builder(YangStmtMapping.CASE)
59 .addAny(YangStmtMapping.ANYDATA)
60 .addAny(YangStmtMapping.ANYXML)
61 .addAny(YangStmtMapping.CHOICE)
62 .addAny(YangStmtMapping.CONTAINER)
63 .addOptional(YangStmtMapping.DESCRIPTION)
64 .addAny(YangStmtMapping.IF_FEATURE)
65 .addAny(YangStmtMapping.LEAF)
66 .addAny(YangStmtMapping.LEAF_LIST)
67 .addAny(YangStmtMapping.LIST)
68 .addOptional(YangStmtMapping.REFERENCE)
69 .addOptional(YangStmtMapping.STATUS)
70 .addAny(YangStmtMapping.USES)
71 .addOptional(YangStmtMapping.WHEN)
74 private final SubstatementValidator validator;
76 private CaseStatementSupport(final SubstatementValidator validator) {
77 super(YangStmtMapping.CASE, instantiatedPolicy());
78 this.validator = requireNonNull(validator);
81 public static @NonNull CaseStatementSupport rfc6020Instance() {
82 return RFC6020_INSTANCE;
85 public static @NonNull CaseStatementSupport rfc7950Instance() {
86 return RFC7950_INSTANCE;
90 protected SubstatementValidator getSubstatementValidator() {
95 protected CaseStatement createDeclared(final StmtContext<QName, CaseStatement, ?> ctx,
96 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
97 final StatementSource source = ctx.source();
100 return new RegularUndeclaredCaseStatement(ctx.getArgument(), substatements);
102 return new RegularCaseStatement(ctx.getArgument(), substatements);
104 throw new IllegalStateException("Unhandled statement source " + source);
109 protected CaseStatement createEmptyDeclared(final StmtContext<QName, CaseStatement, ?> ctx) {
110 final StatementSource source = ctx.source();
113 return new EmptyUndeclaredCaseStatement(ctx.getArgument());
115 return new EmptyCaseStatement(ctx.getArgument());
117 throw new IllegalStateException("Unhandled statement source " + source);
122 protected CaseEffectiveStatement copyDeclaredEffective(final Current<QName, CaseStatement> stmt,
123 final CaseEffectiveStatement original) {
124 return new DeclaredCaseEffectiveStatement((DeclaredCaseEffectiveStatement) original,
125 computeFlags(stmt, original.effectiveSubstatements()), stmt.wrapSchemaPath(), findOriginal(stmt));
129 protected CaseEffectiveStatement copyUndeclaredEffective(final Current<QName, CaseStatement> stmt,
130 final CaseEffectiveStatement original) {
131 return new UndeclaredCaseEffectiveStatement((UndeclaredCaseEffectiveStatement) original,
132 computeFlags(stmt, original.effectiveSubstatements()), stmt.wrapSchemaPath(), findOriginal(stmt));
136 protected CaseEffectiveStatement createDeclaredEffective(final Current<QName, CaseStatement> stmt,
137 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
139 return new DeclaredCaseEffectiveStatement(stmt.declared(), substatements, computeFlags(stmt, substatements),
140 stmt.wrapSchemaPath(), findOriginal(stmt));
141 } catch (SubstatementIndexingException e) {
142 throw new SourceException(e.getMessage(), stmt, e);
147 protected CaseEffectiveStatement createUndeclaredEffective(final Current<QName, CaseStatement> stmt,
148 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
150 return new UndeclaredCaseEffectiveStatement(substatements, computeFlags(stmt, substatements),
151 stmt.wrapSchemaPath(), findOriginal(stmt));
152 } catch (SubstatementIndexingException e) {
153 throw new SourceException(e.getMessage(), stmt, e);
157 private static @Nullable CaseSchemaNode findOriginal(final Current<?, ?> stmt) {
158 return (CaseSchemaNode) stmt.original();
161 private static int computeFlags(final Current<?, ?> stmt,
162 final Collection<? extends EffectiveStatement<?, ?>> substatements) {
163 final Boolean config;
164 final EffectiveConfig effective = stmt.effectiveConfig();
167 config = Boolean.FALSE;
173 final Boolean sub = substatementEffectiveConfig(substatements);
174 config = sub != null ? sub : Boolean.TRUE;
177 config = substatementEffectiveConfig(substatements);
180 throw new IllegalStateException("Unhandled effective config " + effective);
183 return new FlagsBuilder()
184 .setHistory(stmt.history())
185 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
186 .setConfiguration(config)
190 @SuppressFBWarnings(value = "NP_BOOLEAN_RETURN_NULL", justification = "Internal use tagged with @Nullable")
191 private static @Nullable Boolean substatementEffectiveConfig(
192 final Collection<? extends EffectiveStatement<?, ?>> substatements) {
193 for (EffectiveStatement<?, ?> stmt : substatements) {
194 if (stmt instanceof DataSchemaNode) {
195 final Optional<Boolean> opt = ((DataSchemaNode) stmt).effectiveConfig();
196 if (opt.isPresent()) {
197 return opt.orElseThrow();