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.common.UnqualifiedQName;
24 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
25 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.Submodule;
27 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
28 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
29 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
30 import org.opendaylight.yangtools.yang.model.api.stmt.ModuleEffectiveStatement;
31 import org.opendaylight.yangtools.yang.model.api.stmt.ModuleStatement;
32 import org.opendaylight.yangtools.yang.model.api.stmt.NamespaceStatement;
33 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
34 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
35 import org.opendaylight.yangtools.yang.model.repo.api.SemVerSourceIdentifier;
36 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
37 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
38 import org.opendaylight.yangtools.yang.parser.spi.ModuleNamespace;
39 import org.opendaylight.yangtools.yang.parser.spi.NamespaceToModule;
40 import org.opendaylight.yangtools.yang.parser.spi.PreLinkageModuleNamespace;
41 import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionModuleNamespace;
42 import org.opendaylight.yangtools.yang.parser.spi.meta.SemanticVersionNamespace;
43 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
44 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
45 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
46 import org.opendaylight.yangtools.yang.parser.spi.source.ImpPrefixToNamespace;
47 import org.opendaylight.yangtools.yang.parser.spi.source.ImportPrefixToModuleCtx;
48 import org.opendaylight.yangtools.yang.parser.spi.source.IncludedSubmoduleNameToModuleCtx;
49 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToModuleQName;
50 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleCtxToSourceIdentifier;
51 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToModuleQName;
52 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNameToNamespace;
53 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNamespaceForBelongsTo;
54 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleQNameToModuleName;
55 import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
56 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
58 abstract class AbstractModuleStatementSupport
59 extends BaseStatementSupport<UnqualifiedQName, ModuleStatement, ModuleEffectiveStatement> {
60 AbstractModuleStatementSupport() {
61 super(YangStmtMapping.MODULE);
65 public final UnqualifiedQName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
67 return UnqualifiedQName.of(value);
68 } catch (IllegalArgumentException e) {
69 throw new SourceException(e.getMessage(), ctx.getStatementSourceReference(), e);
74 public final void onPreLinkageDeclared(
75 final Mutable<UnqualifiedQName, ModuleStatement, ModuleEffectiveStatement> stmt) {
76 final String moduleName = stmt.coerceStatementArgument().getLocalName();
78 final URI moduleNs = firstAttributeOf(stmt.declaredSubstatements(), NamespaceStatement.class);
79 SourceException.throwIfNull(moduleNs, stmt.getStatementSourceReference(),
80 "Namespace of the module [%s] is missing", moduleName);
81 stmt.addToNs(ModuleNameToNamespace.class, moduleName, moduleNs);
83 final String modulePrefix = firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class);
84 SourceException.throwIfNull(modulePrefix, stmt.getStatementSourceReference(),
85 "Prefix of the module [%s] is missing", moduleName);
86 stmt.addToNs(ImpPrefixToNamespace.class, modulePrefix, moduleNs);
88 stmt.addContext(PreLinkageModuleNamespace.class, moduleName, stmt);
90 final Optional<Revision> revisionDate = StmtContextUtils.getLatestRevision(stmt.declaredSubstatements());
91 final QNameModule qNameModule = QNameModule.create(moduleNs, revisionDate.orElse(null)).intern();
93 stmt.addToNs(ModuleCtxToModuleQName.class, stmt, qNameModule);
94 stmt.setRootIdentifier(RevisionSourceIdentifier.create(stmt.coerceStatementArgument().getLocalName(),
99 public final void onLinkageDeclared(
100 final Mutable<UnqualifiedQName, ModuleStatement, ModuleEffectiveStatement> stmt) {
102 final Optional<URI> moduleNs = Optional.ofNullable(firstAttributeOf(stmt.declaredSubstatements(),
103 NamespaceStatement.class));
104 SourceException.throwIf(!moduleNs.isPresent(), stmt.getStatementSourceReference(),
105 "Namespace of the module [%s] is missing", stmt.getStatementArgument());
107 final Optional<Revision> revisionDate = StmtContextUtils.getLatestRevision(stmt.declaredSubstatements());
108 final QNameModule qNameModule = QNameModule.create(moduleNs.get(), revisionDate.orElse(null)).intern();
109 final StmtContext<?, ModuleStatement, ModuleEffectiveStatement> possibleDuplicateModule =
110 stmt.getFromNamespace(NamespaceToModule.class, qNameModule);
111 if (possibleDuplicateModule != null && possibleDuplicateModule != stmt) {
112 throw new SourceException(stmt.getStatementSourceReference(), "Module namespace collision: %s. At %s",
113 qNameModule.getNamespace(), possibleDuplicateModule.getStatementSourceReference());
116 final SourceIdentifier moduleIdentifier = RevisionSourceIdentifier.create(
117 stmt.coerceStatementArgument().getLocalName(), revisionDate);
119 stmt.addContext(ModuleNamespace.class, moduleIdentifier, stmt);
120 stmt.addContext(ModuleNamespaceForBelongsTo.class, moduleIdentifier.getName(), stmt);
121 stmt.addContext(NamespaceToModule.class, qNameModule, stmt);
123 final String modulePrefix = firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class);
124 SourceException.throwIfNull(modulePrefix, stmt.getStatementSourceReference(),
125 "Prefix of the module [%s] is missing", stmt.getStatementArgument());
127 stmt.addToNs(PrefixToModule.class, modulePrefix, qNameModule);
128 stmt.addToNs(ModuleNameToModuleQName.class, stmt.getStatementArgument().getLocalName(), qNameModule);
129 stmt.addToNs(ModuleCtxToModuleQName.class, stmt, qNameModule);
130 stmt.addToNs(ModuleCtxToSourceIdentifier.class, stmt, moduleIdentifier);
131 stmt.addToNs(ModuleQNameToModuleName.class, qNameModule, stmt.getStatementArgument().getLocalName());
132 stmt.addToNs(ImportPrefixToModuleCtx.class, modulePrefix, stmt);
134 if (stmt.isEnabledSemanticVersioning()) {
135 addToSemVerModuleNamespace(stmt, moduleIdentifier);
140 protected final ImmutableList<? extends EffectiveStatement<?, ?>> buildEffectiveSubstatements(
141 final StmtContext<UnqualifiedQName, ModuleStatement, ModuleEffectiveStatement> ctx,
142 final List<? extends StmtContext<?, ?, ?>> substatements) {
143 final ImmutableList<? extends EffectiveStatement<?, ?>> local =
144 super.buildEffectiveSubstatements(ctx, substatements);
145 final Collection<StmtContext<?, ?, ?>> submodules = submoduleContexts(ctx);
146 if (submodules.isEmpty()) {
150 // Concatenate statements so they appear as if they were part of target module
151 final List<EffectiveStatement<?, ?>> others = new ArrayList<>();
152 for (StmtContext<?, ?, ?> submoduleCtx : submodules) {
153 for (EffectiveStatement<?, ?> effective : submoduleCtx.buildEffective().effectiveSubstatements()) {
154 if (effective instanceof SchemaNode || effective instanceof DataNodeContainer) {
155 others.add(effective);
160 return ImmutableList.<EffectiveStatement<?, ?>>builderWithExpectedSize(local.size() + others.size())
167 protected final ModuleStatement createDeclared(final StmtContext<UnqualifiedQName, ModuleStatement, ?> ctx,
168 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
169 return new ModuleStatementImpl(ctx, substatements);
173 protected final ModuleStatement createEmptyDeclared(final StmtContext<UnqualifiedQName, ModuleStatement, ?> ctx) {
174 throw noNamespace(ctx);
178 protected final ModuleEffectiveStatement createEffective(
179 final StmtContext<UnqualifiedQName, ModuleStatement, ModuleEffectiveStatement> ctx,
180 final ModuleStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
181 final List<Submodule> submodules = new ArrayList<>();
182 for (StmtContext<?, ?, ?> submoduleCtx : submoduleContexts(ctx)) {
183 final EffectiveStatement<?, ?> submodule = submoduleCtx.buildEffective();
184 verify(submodule instanceof Submodule, "Submodule statement %s is not a Submodule", submodule);
185 submodules.add((Submodule) submodule);
188 return new ModuleEffectiveStatementImpl(ctx, declared, substatements, submodules);
192 protected final ModuleEffectiveStatement createEmptyEffective(
193 final StmtContext<UnqualifiedQName, ModuleStatement, ModuleEffectiveStatement> ctx,
194 final ModuleStatement declared) {
195 throw noNamespace(ctx);
198 private static Collection<StmtContext<?, ?, ?>> submoduleContexts(final StmtContext<?, ?, ?> ctx) {
199 final Map<String, StmtContext<?, ?, ?>> submodules = ctx.getAllFromCurrentStmtCtxNamespace(
200 IncludedSubmoduleNameToModuleCtx.class);
201 return submodules == null ? List.of() : submodules.values();
204 private static SourceException noNamespace(final StmtContext<?, ?, ?> ctx) {
205 return new SourceException("No namespace declared in module", ctx.getStatementSourceReference());
208 private static void addToSemVerModuleNamespace(
209 final Mutable<UnqualifiedQName, ModuleStatement, ModuleEffectiveStatement> stmt,
210 final SourceIdentifier moduleIdentifier) {
211 final String moduleName = stmt.coerceStatementArgument().getLocalName();
212 final SemVer moduleSemVer = stmt.getFromNamespace(SemanticVersionNamespace.class, stmt);
213 final SemVerSourceIdentifier id = SemVerSourceIdentifier.create(moduleName, moduleSemVer);
214 stmt.addToNs(SemanticVersionModuleNamespace.class, id, stmt);