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 com.google.common.collect.ImmutableList;
11 import org.eclipse.jdt.annotation.Nullable;
12 import org.opendaylight.yangtools.yang.common.QName;
13 import org.opendaylight.yangtools.yang.model.api.CaseSchemaNode;
14 import org.opendaylight.yangtools.yang.model.api.Status;
15 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
16 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
19 import org.opendaylight.yangtools.yang.model.api.stmt.CaseEffectiveStatement;
20 import org.opendaylight.yangtools.yang.model.api.stmt.CaseStatement;
21 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseImplicitStatementSupport;
23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
26 abstract class AbstractCaseStatementSupport
27 extends BaseImplicitStatementSupport<CaseStatement, CaseEffectiveStatement> {
28 AbstractCaseStatementSupport() {
29 super(YangStmtMapping.CASE);
33 protected final CaseStatement createDeclared(final StmtContext<QName, CaseStatement, ?> ctx,
34 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
35 final StatementSource source = ctx.getStatementSource();
36 switch (ctx.getStatementSource()) {
38 return new RegularUndeclaredCaseStatement(ctx.coerceStatementArgument(), substatements);
40 return new RegularCaseStatement(ctx.coerceStatementArgument(), substatements);
42 throw new IllegalStateException("Unhandled statement source " + source);
47 protected final CaseStatement createEmptyDeclared(final StmtContext<QName, CaseStatement, ?> ctx) {
48 final StatementSource source = ctx.getStatementSource();
49 switch (ctx.getStatementSource()) {
51 return new EmptyUndeclaredCaseStatement(ctx.coerceStatementArgument());
53 return new EmptyCaseStatement(ctx.coerceStatementArgument());
55 throw new IllegalStateException("Unhandled statement source " + source);
60 protected final CaseEffectiveStatement createDeclaredEffective(
61 final StmtContext<QName, CaseStatement, CaseEffectiveStatement> ctx,
62 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements, final CaseStatement declared) {
63 return new DeclaredCaseEffectiveStatement(declared, ctx, substatements, computeFlags(ctx, substatements),
68 protected final CaseEffectiveStatement createUndeclaredEffective(
69 final StmtContext<QName, CaseStatement, CaseEffectiveStatement> ctx,
70 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
71 return new UndeclaredCaseEffectiveStatement(ctx, substatements, computeFlags(ctx, substatements),
75 private static @Nullable CaseSchemaNode findOriginal(final StmtContext<?, ?, ?> ctx) {
76 return (CaseSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective).orElse(null);
79 private static int computeFlags(final StmtContext<?, ?, ?> ctx,
80 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
81 return new FlagsBuilder()
82 .setHistory(ctx.getCopyHistory())
83 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
84 .setConfiguration(ctx.isConfiguration()
85 && ctx.allSubstatementsStream().anyMatch(StmtContext::isConfiguration))