Teach YANG parser to retain DeclarationReference
[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / rfc7950 / stmt / meta / PositionStatementSupport.java
1 /*
2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
3  *
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
7  */
8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.meta;
9
10 import com.google.common.collect.ImmutableList;
11 import org.opendaylight.yangtools.yang.common.Uint32;
12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
13 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
14 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
15 import org.opendaylight.yangtools.yang.model.api.stmt.PositionEffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.PositionStatement;
17 import org.opendaylight.yangtools.yang.model.parser.api.YangParserConfiguration;
18 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
19 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractInternedStatementSupport;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
23 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
24
25 public final class PositionStatementSupport
26         extends AbstractInternedStatementSupport<Uint32, PositionStatement, PositionEffectiveStatement> {
27     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
28         SubstatementValidator.builder(YangStmtMapping.POSITION).build();
29
30     public PositionStatementSupport(final YangParserConfiguration config) {
31         super(YangStmtMapping.POSITION, StatementPolicy.contextIndependent(), config);
32     }
33
34     @Override
35     public Uint32 parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
36         try {
37             return Uint32.valueOf(value).intern();
38         } catch (IllegalArgumentException e) {
39             throw new SourceException(ctx, e, "Bit position value %s is not valid integer", value);
40         }
41     }
42
43     @Override
44     protected SubstatementValidator getSubstatementValidator() {
45         return SUBSTATEMENT_VALIDATOR;
46     }
47
48     @Override
49     protected PositionStatement createDeclared(final Uint32 argument,
50             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
51         return DeclaredStatements.createPosition(argument, substatements);
52     }
53
54     @Override
55     protected PositionStatement createEmptyDeclared(final Uint32 argument) {
56         return DeclaredStatements.createPosition(argument, ImmutableList.of());
57     }
58
59     @Override
60     protected PositionEffectiveStatement createEffective(final PositionStatement declared,
61             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
62         return EffectiveStatements.createPosition(declared, substatements);
63     }
64
65     @Override
66     protected PositionEffectiveStatement createEmptyEffective(final PositionStatement declared) {
67         return EffectiveStatements.createPosition(declared);
68     }
69 }