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.model.api.YangStmtMapping;
12 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
13 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
14 import org.opendaylight.yangtools.yang.model.api.stmt.FractionDigitsEffectiveStatement;
15 import org.opendaylight.yangtools.yang.model.api.stmt.RangeEffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement.Decimal64Specification;
17 import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
18 import org.opendaylight.yangtools.yang.model.util.type.DecimalTypeBuilder;
19 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStringStatementSupport;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.CommonStmtCtx;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
24 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
26 final class Decimal64SpecificationSupport extends AbstractStringStatementSupport<Decimal64Specification,
27 EffectiveStatement<String, Decimal64Specification>> {
28 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
30 .addMandatory(YangStmtMapping.FRACTION_DIGITS)
31 .addOptional(YangStmtMapping.RANGE)
34 Decimal64SpecificationSupport() {
35 super(YangStmtMapping.TYPE, StatementPolicy.exactReplica());
39 protected SubstatementValidator getSubstatementValidator() {
40 return SUBSTATEMENT_VALIDATOR;
44 protected Decimal64Specification createDeclared(final StmtContext<String, Decimal64Specification, ?> ctx,
45 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
46 return new Decimal64SpecificationImpl(ctx.getRawArgument(), substatements);
50 protected Decimal64Specification createEmptyDeclared(final StmtContext<String, Decimal64Specification, ?> ctx) {
51 throw noFracDigits(ctx);
55 protected EffectiveStatement<String, Decimal64Specification> createEffective(
56 final Current<String, 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);