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.path;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableList;
13 import org.opendaylight.yangtools.yang.model.api.PathExpression;
14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.PathEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.PathStatement;
19 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
20 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
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.StmtContext;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
26 public final class PathStatementSupport
27 extends AbstractStatementSupport<PathExpression, PathStatement, PathEffectiveStatement> {
28 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
29 YangStmtMapping.PATH).build();
30 private static final PathStatementSupport LENIENT_INSTANCE = new PathStatementSupport(
31 new PathExpressionParser.Lenient());
32 private static final PathStatementSupport STRICT_INSTANCE = new PathStatementSupport(
33 new PathExpressionParser());
35 private final PathExpressionParser parser;
37 private PathStatementSupport(final PathExpressionParser parser) {
38 // TODO: can 'path' really be copied?
39 super(YangStmtMapping.PATH, StatementPolicy.contextIndependent());
40 this.parser = requireNonNull(parser);
43 public static PathStatementSupport lenientInstance() {
44 return LENIENT_INSTANCE;
47 public static PathStatementSupport strictInstance() {
48 return STRICT_INSTANCE;
52 public PathExpression parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
53 return parser.parseExpression(ctx, value);
57 protected SubstatementValidator getSubstatementValidator() {
58 return SUBSTATEMENT_VALIDATOR;
62 protected PathStatement createDeclared(final StmtContext<PathExpression, PathStatement, ?> ctx,
63 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
64 return DeclaredStatements.createPath(ctx.getArgument(), substatements);
68 protected PathStatement createEmptyDeclared(final StmtContext<PathExpression, PathStatement, ?> ctx) {
69 return DeclaredStatements.createPath(ctx.getArgument());
73 protected PathEffectiveStatement createEffective(final Current<PathExpression, PathStatement> stmt,
74 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
75 return EffectiveStatements.createPath(stmt.declared(), substatements);