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 java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableList;
13 import org.eclipse.jdt.annotation.NonNull;
14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
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.stmt.WhenEffectiveStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.WhenStatement;
20 import org.opendaylight.yangtools.yang.model.parser.api.YangParserConfiguration;
21 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
22 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
23 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
28 import org.opendaylight.yangtools.yang.xpath.api.YangXPathExpression.QualifiedBound;
30 public final class WhenStatementSupport
31 extends AbstractStatementSupport<QualifiedBound, WhenStatement, WhenEffectiveStatement> {
32 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
34 .addOptional(YangStmtMapping.DESCRIPTION)
35 .addOptional(YangStmtMapping.REFERENCE)
38 private final @NonNull XPathSupport xpathSupport;
40 public WhenStatementSupport(final XPathSupport xpathSupport, final YangParserConfiguration config) {
41 // Note: if we end up binding expressions, this needs to become declaredCopy()
42 super(YangStmtMapping.WHEN, StatementPolicy.contextIndependent(), config);
43 this.xpathSupport = requireNonNull(xpathSupport);
47 public QualifiedBound parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
48 return xpathSupport.parseXPath(ctx, value);
52 protected SubstatementValidator getSubstatementValidator() {
53 return SUBSTATEMENT_VALIDATOR;
57 protected WhenStatement createDeclared(final StmtContext<QualifiedBound, WhenStatement, ?> ctx,
58 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
59 return DeclaredStatements.createWhen(ctx.getRawArgument(), ctx.getArgument(), substatements);
63 protected WhenStatement attachDeclarationReference(final WhenStatement stmt, final DeclarationReference reference) {
64 return DeclaredStatementDecorators.decorateWhen(stmt, reference);
68 protected WhenEffectiveStatement createEffective(final Current<QualifiedBound, WhenStatement> stmt,
69 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
70 return EffectiveStatements.createWhen(stmt.declared(), substatements);