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 static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableList;
13 import java.util.Optional;
14 import org.opendaylight.yangtools.yang.common.QName;
15 import org.opendaylight.yangtools.yang.model.api.meta.ArgumentDefinition;
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.StatementDefinition;
19 import org.opendaylight.yangtools.yang.model.api.stmt.UnrecognizedStatement;
20 import org.opendaylight.yangtools.yang.model.parser.api.YangParserConfiguration;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.OverrideChildStatementSupport;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
29 final class UnrecognizedStatementSupport
30 extends AbstractStatementSupport<Object, UnrecognizedStatement, UnrecognizedEffectiveStatement>
31 implements OverrideChildStatementSupport {
32 private final YangParserConfiguration config;
34 UnrecognizedStatementSupport(final StatementDefinition publicDefinition, final YangParserConfiguration config) {
35 // We have no idea about the statement's semantics, hence there should be noone interested in its semantics.
36 // Nevertheless it may be of interest for various hacks to understand there was an extension involved.
37 super(publicDefinition, StatementPolicy.exactReplica(), config);
38 this.config = requireNonNull(config);
42 public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
47 public UnrecognizedStatementSupport statementDefinitionOverrideOf(final StatementDefinition childDef) {
49 * This code wraps statements encountered inside an extension so they do not get confused with regular
52 final QName baseQName = getStatementName();
53 final QName statementName = QName.create(baseQName, childDef.getStatementName().getLocalName());
55 final ModelDefinedStatementDefinition def;
56 final Optional<ArgumentDefinition> optArgDef = childDef.getArgumentDefinition();
57 if (optArgDef.isPresent()) {
58 final ArgumentDefinition argDef = optArgDef.get();
59 def = new ModelDefinedStatementDefinition(statementName, argDef.getArgumentName(), argDef.isYinElement());
61 def = new ModelDefinedStatementDefinition(statementName);
63 return new UnrecognizedStatementSupport(def, config);
67 protected SubstatementValidator getSubstatementValidator() {
68 // We know nothing about this statement
73 protected UnrecognizedStatement createDeclared(final StmtContext<Object, UnrecognizedStatement, ?> ctx,
74 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
75 return new UnrecognizedStatementImpl(ctx.rawArgument(), ctx.publicDefinition(), substatements);
78 // createEffective() should never be called, ensure that for each declared statement
81 public void onStatementAdded(final Mutable<Object, UnrecognizedStatement, UnrecognizedEffectiveStatement> stmt) {
82 stmt.setIsSupportedToBuildEffective(false);
86 protected UnrecognizedEffectiveStatement createEffective(final Current<Object, UnrecognizedStatement> stmt,
87 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
88 throw new InferenceException(stmt, "Attempted to instantiate unrecognized effective statement %s",
89 stmt.publicDefinition());