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.extension;
10 import com.google.common.collect.ImmutableList;
11 import org.opendaylight.yangtools.openconfig.model.api.OpenConfigStatements;
12 import org.opendaylight.yangtools.yang.common.QName;
13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
14 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.ArgumentStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.ExtensionEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.ExtensionStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.YinElementStatement;
20 import org.opendaylight.yangtools.yang.parser.spi.ExtensionNamespace;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractQNameStatementSupport;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementDefinitionNamespace;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
29 public final class ExtensionStatementSupport
30 extends AbstractQNameStatementSupport<ExtensionStatement, ExtensionEffectiveStatement> {
31 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
33 .addOptional(YangStmtMapping.ARGUMENT)
34 .addOptional(YangStmtMapping.DESCRIPTION)
35 .addOptional(YangStmtMapping.REFERENCE)
36 .addOptional(YangStmtMapping.STATUS)
38 private static final ExtensionStatementSupport INSTANCE = new ExtensionStatementSupport();
40 private ExtensionStatementSupport() {
41 super(YangStmtMapping.EXTENSION, StatementPolicy.reject());
44 public static ExtensionStatementSupport getInstance() {
49 public QName parseArgumentValue(final StmtContext<?,?,?> ctx, final String value) {
50 return StmtContextUtils.parseIdentifier(ctx, value);
54 public void onStatementDefinitionDeclared(
55 final Mutable<QName, ExtensionStatement, ExtensionEffectiveStatement> stmt) {
56 super.onStatementDefinitionDeclared(stmt);
58 QName stmtName = stmt.getArgument();
59 if (OpenConfigStatements.OPENCONFIG_VERSION.getStatementName().isEqualWithoutRevision(stmtName)) {
60 stmtName = stmtName.withoutRevision();
63 stmt.addContext(ExtensionNamespace.class, stmtName, stmt);
65 final StmtContext<QName, ?, ?> argument = StmtContextUtils.findFirstDeclaredSubstatement(stmt,
66 ArgumentStatement.class);
67 final StmtContext<Boolean, ?, ?> yinElement = StmtContextUtils.findFirstDeclaredSubstatement(stmt,
68 YinElementStatement.class);
70 stmt.addToNs(StatementDefinitionNamespace.class, stmt.argument(),
71 new UnrecognizedStatementSupport(new ModelDefinedStatementDefinition(stmt.getArgument(),
72 argument != null ? argument.argument() : null, yinElement != null && yinElement.getArgument())));
76 protected SubstatementValidator getSubstatementValidator() {
77 return SUBSTATEMENT_VALIDATOR;
81 protected ExtensionStatement createDeclared(final StmtContext<QName, ExtensionStatement, ?> ctx,
82 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
83 return new RegularExtensionStatement(ctx.getArgument(), substatements);
87 protected ExtensionStatement createEmptyDeclared(final StmtContext<QName, ExtensionStatement, ?> ctx) {
88 return new EmptyExtensionStatement(ctx.getArgument());
92 protected ExtensionEffectiveStatement createEffective(final Current<QName, ExtensionStatement> stmt,
93 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
94 return new ExtensionEffectiveStatementImpl(stmt.declared(), substatements, stmt.optionalPath());