2 * Copyright (c) 2017 Cisco Systems, Inc. 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.annotations.Beta;
11 import com.google.common.collect.ImmutableMap;
12 import java.util.Optional;
13 import org.opendaylight.yangtools.yang.common.Uint32;
14 import org.opendaylight.yangtools.yang.model.api.stmt.BitEffectiveStatement;
15 import org.opendaylight.yangtools.yang.model.api.stmt.EnumEffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.ValueEffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition;
18 import org.opendaylight.yangtools.yang.model.api.type.BitsTypeDefinition.Bit;
19 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
20 import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition.EnumPair;
21 import org.opendaylight.yangtools.yang.model.api.type.TypeDefinitions;
22 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx;
24 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport;
25 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
28 * Class providing necessary support for processing YANG 1.1 Type statement.
31 public final class TypeStatementRFC7950Support extends AbstractTypeStatementSupport {
32 private final ImmutableMap<String, StatementSupport<?, ?, ?>> argumentSpecificSupports;
34 public TypeStatementRFC7950Support(final YangParserConfiguration config) {
36 argumentSpecificSupports = ImmutableMap.of(
37 TypeDefinitions.LEAFREF.getLocalName(), LeafrefSpecificationSupport.rfc7950Instance(config),
38 TypeDefinitions.IDENTITYREF.getLocalName(), IdentityRefSpecificationSupport.rfc7950Instance(config));
42 public boolean hasArgumentSpecificSupports() {
43 return !argumentSpecificSupports.isEmpty() || super.hasArgumentSpecificSupports();
47 public StatementSupport<?, ?, ?> getSupportSpecificForArgument(final String argument) {
48 final StatementSupport<?, ?, ?> potential = argumentSpecificSupports.get(argument);
49 return potential != null ? potential : super.getSupportSpecificForArgument(argument);
53 Bit addRestrictedBit(final EffectiveStmtCtx stmt, final BitsTypeDefinition base, final BitEffectiveStatement bit) {
54 // FIXME: this looks like a duplicate of BitsSpecificationEffectiveStatement
55 final Optional<Uint32> declaredPosition = bit.getDeclaredPosition();
56 final Uint32 effectivePos;
57 if (declaredPosition.isEmpty()) {
58 effectivePos = getBaseTypeBitPosition(bit.argument(), base, stmt);
60 effectivePos = declaredPosition.get();
63 return EffectiveTypeUtil.buildBit(bit, effectivePos);
67 EnumPair addRestrictedEnum(final EffectiveStmtCtx stmt, final EnumTypeDefinition base,
68 final EnumEffectiveStatement enumStmt) {
69 final EnumEffectiveStatement enumSubStmt = enumStmt;
70 final Optional<Integer> declaredValue =
71 enumSubStmt.findFirstEffectiveSubstatementArgument(ValueEffectiveStatement.class);
72 final int effectiveValue;
73 if (declaredValue.isEmpty()) {
74 effectiveValue = getBaseTypeEnumValue(enumSubStmt.getDeclared().rawArgument(), base, stmt);
76 effectiveValue = declaredValue.orElseThrow();
79 return EffectiveTypeUtil.buildEnumPair(enumSubStmt, effectiveValue);
82 private static Uint32 getBaseTypeBitPosition(final String bitName, final BitsTypeDefinition baseType,
83 final EffectiveStmtCtx stmt) {
84 for (Bit baseTypeBit : baseType.getBits()) {
85 if (bitName.equals(baseTypeBit.getName())) {
86 return baseTypeBit.getPosition();
90 throw new SourceException(stmt, "Bit '%s' is not a subset of its base bits type %s.", bitName,
95 private static int getBaseTypeEnumValue(final String enumName, final EnumTypeDefinition baseType,
96 final EffectiveStmtCtx ctx) {
97 for (EnumPair baseTypeEnumPair : baseType.getValues()) {
98 if (enumName.equals(baseTypeEnumPair.getName())) {
99 return baseTypeEnumPair.getValue();
103 throw new SourceException(ctx, "Enum '%s' is not a subset of its base enumeration type %s.", enumName,
104 baseType.getQName());