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.pattern;
10 import com.google.common.collect.ImmutableList;
11 import java.util.regex.Pattern;
12 import java.util.regex.PatternSyntaxException;
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.DescriptionEffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.ErrorAppTagEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.ErrorMessageEffectiveStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.ModifierEffectiveStatement;
20 import org.opendaylight.yangtools.yang.model.api.stmt.PatternEffectiveStatement;
21 import org.opendaylight.yangtools.yang.model.api.stmt.PatternStatement;
22 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceEffectiveStatement;
23 import org.opendaylight.yangtools.yang.model.api.type.ModifierKind;
24 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
25 import org.opendaylight.yangtools.yang.model.util.RegexUtils;
26 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
27 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 abstract class AbstractPatternStatementSupport
32 extends BaseStatementSupport<PatternConstraint, PatternStatement, PatternEffectiveStatement> {
33 private static final Logger LOG = LoggerFactory.getLogger(AbstractPatternStatementSupport.class);
35 AbstractPatternStatementSupport() {
36 super(YangStmtMapping.PATTERN, CopyPolicy.CONTEXT_INDEPENDENT);
40 public final PatternConstraint parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
41 final String pattern = RegexUtils.getJavaRegexFromXSD(value);
44 Pattern.compile(pattern);
45 } catch (final PatternSyntaxException e) {
46 LOG.debug("Pattern \"{}\" failed to compile at {}", pattern, ctx.getStatementSourceReference(), e);
50 return new PatternConstraintImpl(pattern, value);
54 protected final PatternStatement createDeclared(final StmtContext<PatternConstraint, PatternStatement, ?> ctx,
55 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
56 return new RegularPatternStatement(ctx, substatements);
60 protected final PatternStatement createEmptyDeclared(
61 final StmtContext<PatternConstraint, PatternStatement, ?> ctx) {
62 return new EmptyPatternStatement(ctx);
66 protected final PatternEffectiveStatement createEffective(
67 final StmtContext<PatternConstraint, PatternStatement, PatternEffectiveStatement> ctx,
68 final PatternStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
69 final String description = findFirstArgument(substatements, DescriptionEffectiveStatement.class, null);
70 final String reference = findFirstArgument(substatements, ReferenceEffectiveStatement.class, null);
71 final String errorAppTag = findFirstArgument(substatements, ErrorAppTagEffectiveStatement.class, null);
72 final String errorMessage = findFirstArgument(substatements, ErrorMessageEffectiveStatement.class, null);
73 final ModifierKind modifier = findFirstArgument(substatements, ModifierEffectiveStatement.class, null);
75 if (description == null && reference == null && errorAppTag == null && errorMessage == null
76 && modifier == null) {
77 // No customization, just use declared statement for the actual value
78 return new SimplePatternEffectiveStatement(declared, substatements);
81 return new RegularPatternEffectiveStatement(declared, new PatternConstraintImpl(declared.argument(),
82 description, reference, errorAppTag, errorMessage, modifier), substatements);
86 protected final PatternEffectiveStatement createEmptyEffective(
87 final StmtContext<PatternConstraint, PatternStatement, PatternEffectiveStatement> ctx,
88 final PatternStatement declared) {
89 return new EmptyPatternEffectiveStatement(declared);