2 * Copyright (c) 2015 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.module;
10 import static com.google.common.base.Verify.verify;
11 import static org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils.firstAttributeOf;
13 import com.google.common.collect.ImmutableList;
15 import java.util.ArrayList;
16 import java.util.Collection;
17 import java.util.List;
19 import java.util.Optional;
20 import org.opendaylight.yangtools.concepts.SemVer;
21 import org.opendaylight.yangtools.yang.common.QNameModule;
22 import org.opendaylight.yangtools.yang.common.Revision;
23 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
24 import org.opendaylight.yangtools.yang.model.api.Module;
25 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
27 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
28 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
29 import org.opendaylight.yangtools.yang.model.api.stmt.ModuleEffectiveStatement;
30 import org.opendaylight.yangtools.yang.model.api.stmt.ModuleStatement;
31 import org.opendaylight.yangtools.yang.model.api.stmt.NamespaceStatement;
32 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
33 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
34 import org.opendaylight.yangtools.yang.model.repo.api.SemVerSourceIdentifier;
35 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
36 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
37 import org.opendaylight.yangtools.yang.parser.spi.ModuleNamespace;
38 import org.opendaylight.yangtools.yang.parser.spi.NamespaceToModule;
39 import org.opendaylight.yangtools.yang.parser.spi.PreLinkageModuleNamespace;
40 import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionModuleNamespace;
41 import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionNamespace;
42 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
43 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
44 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
45 import org.opendaylight.yangtools.yang.parser.spi.source.ImpPrefixToNamespace;
46 import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToModuleCtx;
47 import org.opendaylight.yangtools.yang.parser.spi.source.IncludedSubmoduleNameToModuleCtx;
48 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleQName;
49 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToSourceIdentifier;
50 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToModuleQName;
51 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToNamespace;
52 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNamespaceForBelongsTo;
53 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleQNameToModuleName;
54 import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
55 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
57 abstract class AbstractModuleStatementSupport
58 extends BaseStatementSupport<String, ModuleStatement, ModuleEffectiveStatement> {
59 AbstractModuleStatementSupport() {
60 super(YangStmtMapping.MODULE);
64 public final String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
69 public final void onPreLinkageDeclared(final Mutable<String, ModuleStatement, ModuleEffectiveStatement> stmt) {
70 final String moduleName = stmt.getStatementArgument();
72 final URI moduleNs = firstAttributeOf(stmt.declaredSubstatements(), NamespaceStatement.class);
73 SourceException.throwIfNull(moduleNs, stmt.getStatementSourceReference(),
74 "Namespace of the module [%s] is missing", stmt.getStatementArgument());
75 stmt.addToNs(ModuleNameToNamespace.class, moduleName, moduleNs);
77 final String modulePrefix = firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class);
78 SourceException.throwIfNull(modulePrefix, stmt.getStatementSourceReference(),
79 "Prefix of the module [%s] is missing", stmt.getStatementArgument());
80 stmt.addToNs(ImpPrefixToNamespace.class, modulePrefix, moduleNs);
82 stmt.addContext(PreLinkageModuleNamespace.class, moduleName, stmt);
84 final Optional<Revision> revisionDate = StmtContextUtils.getLatestRevision(stmt.declaredSubstatements());
85 final QNameModule qNameModule = QNameModule.create(moduleNs, revisionDate.orElse(null)).intern();
87 stmt.addToNs(ModuleCtxToModuleQName.class, stmt, qNameModule);
88 stmt.setRootIdentifier(RevisionSourceIdentifier.create(stmt.getStatementArgument(), revisionDate));
92 public final void onLinkageDeclared(final Mutable<String, ModuleStatement, ModuleEffectiveStatement> stmt) {
94 final Optional<URI> moduleNs = Optional.ofNullable(firstAttributeOf(stmt.declaredSubstatements(),
95 NamespaceStatement.class));
96 SourceException.throwIf(!moduleNs.isPresent(), stmt.getStatementSourceReference(),
97 "Namespace of the module [%s] is missing", stmt.getStatementArgument());
99 final Optional<Revision> revisionDate = StmtContextUtils.getLatestRevision(stmt.declaredSubstatements());
100 final QNameModule qNameModule = QNameModule.create(moduleNs.get(), revisionDate.orElse(null)).intern();
101 final StmtContext<?, ModuleStatement, ModuleEffectiveStatement> possibleDuplicateModule =
102 stmt.getFromNamespace(NamespaceToModule.class, qNameModule);
103 if (possibleDuplicateModule != null && possibleDuplicateModule != stmt) {
104 throw new SourceException(stmt.getStatementSourceReference(), "Module namespace collision: %s. At %s",
105 qNameModule.getNamespace(), possibleDuplicateModule.getStatementSourceReference());
108 final SourceIdentifier moduleIdentifier = RevisionSourceIdentifier.create(stmt.getStatementArgument(),
111 stmt.addContext(ModuleNamespace.class, moduleIdentifier, stmt);
112 stmt.addContext(ModuleNamespaceForBelongsTo.class, moduleIdentifier.getName(), stmt);
113 stmt.addContext(NamespaceToModule.class, qNameModule, stmt);
115 final String modulePrefix = firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class);
116 SourceException.throwIfNull(modulePrefix, stmt.getStatementSourceReference(),
117 "Prefix of the module [%s] is missing", stmt.getStatementArgument());
119 stmt.addToNs(PrefixToModule.class, modulePrefix, qNameModule);
120 stmt.addToNs(ModuleNameToModuleQName.class, stmt.getStatementArgument(), qNameModule);
121 stmt.addToNs(ModuleCtxToModuleQName.class, stmt, qNameModule);
122 stmt.addToNs(ModuleCtxToSourceIdentifier.class, stmt, moduleIdentifier);
123 stmt.addToNs(ModuleQNameToModuleName.class, qNameModule, stmt.getStatementArgument());
124 stmt.addToNs(ImportPrefixToModuleCtx.class, modulePrefix, stmt);
126 if (stmt.isEnabledSemanticVersioning()) {
127 addToSemVerModuleNamespace(stmt, moduleIdentifier);
132 protected final ImmutableList<? extends EffectiveStatement<?, ?>> buildEffectiveSubstatements(
133 final StmtContext<String, ModuleStatement, ModuleEffectiveStatement> ctx,
134 final List<? extends StmtContext<?, ?, ?>> substatements) {
135 final ImmutableList<? extends EffectiveStatement<?, ?>> local =
136 super.buildEffectiveSubstatements(ctx, substatements);
137 final Collection<StmtContext<?, ?, ?>> submodules = submoduleContexts(ctx);
138 if (submodules.isEmpty()) {
142 // Concatenate statements so they appear as if they were part of target module
143 final List<EffectiveStatement<?, ?>> others = new ArrayList<>();
144 for (StmtContext<?, ?, ?> submoduleCtx : submodules) {
145 for (EffectiveStatement<?, ?> effective : submoduleCtx.buildEffective().effectiveSubstatements()) {
146 if (effective instanceof SchemaNode || effective instanceof DataNodeContainer) {
147 others.add(effective);
152 return ImmutableList.<EffectiveStatement<?, ?>>builderWithExpectedSize(local.size() + others.size())
159 protected final ModuleStatement createDeclared(final StmtContext<String, ModuleStatement, ?> ctx,
160 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
161 return new ModuleStatementImpl(ctx.coerceRawStatementArgument(), substatements);
165 protected final ModuleStatement createEmptyDeclared(final StmtContext<String, ModuleStatement, ?> ctx) {
166 throw noNamespace(ctx);
170 protected final ModuleEffectiveStatement createEffective(
171 final StmtContext<String, ModuleStatement, ModuleEffectiveStatement> ctx,
172 final ModuleStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
173 final List<Module> submodules = new ArrayList<>();
174 for (StmtContext<?, ?, ?> submoduleCtx : submoduleContexts(ctx)) {
175 final EffectiveStatement<?, ?> submodule = submoduleCtx.buildEffective();
176 verify(submodule instanceof Module, "Submodule statement %s is not a Module", submodule);
177 submodules.add((Module) submodule);
180 return new ModuleEffectiveStatementImpl(ctx, declared, substatements, submodules);
184 protected final ModuleEffectiveStatement createEmptyEffective(
185 final StmtContext<String, ModuleStatement, ModuleEffectiveStatement> ctx, final ModuleStatement declared) {
186 throw noNamespace(ctx);
189 private static Collection<StmtContext<?, ?, ?>> submoduleContexts(final StmtContext<?, ?, ?> ctx) {
190 final Map<String, StmtContext<?, ?, ?>> submodules = ctx.getAllFromCurrentStmtCtxNamespace(
191 IncludedSubmoduleNameToModuleCtx.class);
192 return submodules == null ? List.of() : submodules.values();
195 private static SourceException noNamespace(final StmtContext<?, ?, ?> ctx) {
196 return new SourceException("No namespace declared in module", ctx.getStatementSourceReference());
199 private static void addToSemVerModuleNamespace(
200 final Mutable<String, ModuleStatement, ModuleEffectiveStatement> stmt,
201 final SourceIdentifier moduleIdentifier) {
202 final String moduleName = stmt.coerceStatementArgument();
203 final SemVer moduleSemVer = stmt.getFromNamespace(SemanticVersionNamespace.class, stmt);
204 final SemVerSourceIdentifier id = SemVerSourceIdentifier.create(moduleName, moduleSemVer);
205 stmt.addToNs(SemanticVersionModuleNamespace.class, id, stmt);