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.type;
10 import com.google.common.collect.ImmutableList;
11 import org.opendaylight.yangtools.yang.common.QName;
12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
13 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
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.FractionDigitsEffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.RangeEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement.Decimal64Specification;
19 import org.opendaylight.yangtools.yang.model.ri.type.BaseTypes;
20 import org.opendaylight.yangtools.yang.model.ri.type.DecimalTypeBuilder;
21 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.CommonStmtCtx;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
25 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
26 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
28 final class Decimal64SpecificationSupport extends AbstractTypeSupport<Decimal64Specification> {
29 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
30 SubstatementValidator.builder(YangStmtMapping.TYPE)
31 .addMandatory(YangStmtMapping.FRACTION_DIGITS)
32 .addOptional(YangStmtMapping.RANGE)
35 Decimal64SpecificationSupport(final YangParserConfiguration config) {
36 super(config, SUBSTATEMENT_VALIDATOR);
40 protected Decimal64Specification createDeclared(final StmtContext<QName, Decimal64Specification, ?> ctx,
41 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
42 if (substatements.isEmpty()) {
43 throw noFracDigits(ctx);
45 return new Decimal64SpecificationImpl(ctx.getRawArgument(), ctx.getArgument(), substatements);
49 protected Decimal64Specification attachDeclarationReference(final Decimal64Specification stmt,
50 final DeclarationReference reference) {
51 return new RefDecimal64Specification(stmt, reference);
55 protected EffectiveStatement<QName, Decimal64Specification> createEffective(
56 final Current<QName, Decimal64Specification> stmt,
57 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
58 if (substatements.isEmpty()) {
59 throw noFracDigits(stmt);
62 final DecimalTypeBuilder builder = BaseTypes.decimalTypeBuilder(stmt.argumentAsTypeQName());
63 for (final EffectiveStatement<?, ?> subStmt : substatements) {
64 if (subStmt instanceof FractionDigitsEffectiveStatement) {
65 builder.setFractionDigits(((FractionDigitsEffectiveStatement) subStmt).argument());
67 if (subStmt instanceof RangeEffectiveStatement) {
68 final RangeEffectiveStatement range = (RangeEffectiveStatement) subStmt;
69 builder.setRangeConstraint(range, range.argument());
73 return new TypeEffectiveStatementImpl<>(stmt.declared(), substatements, builder);
76 private static SourceException noFracDigits(final CommonStmtCtx stmt) {
78 * https://tools.ietf.org/html/rfc7950#section-9.3.4
80 * The "fraction-digits" statement, which is a substatement to the
81 * "type" statement, MUST be present if the type is "decimal64".
83 return new SourceException("At least one fraction-digits statement has to be present", stmt);