parser/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/submodule/SubmoduleStatementSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.submodule;
   9
  10 import static org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils.findFirstDeclaredSubstatement;
  11 import static org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils.firstAttributeOf;
  12
  13 import com.google.common.annotations.Beta;
  14 import com.google.common.collect.ImmutableList;
  15 import org.eclipse.jdt.annotation.NonNull;
  16 import org.opendaylight.yangtools.yang.common.UnresolvedQName;
  17 import org.opendaylight.yangtools.yang.common.UnresolvedQName.Unqualified;
  18 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  19 import org.opendaylight.yangtools.yang.model.api.meta.DeclarationReference;
  20 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  21 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.SubmoduleStatement;
  26 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
  27 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  28 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatementDecorators;
  29 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  30 import org.opendaylight.yangtools.yang.model.spi.meta.SubstatementIndexingException;
  31 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
  32 import org.opendaylight.yangtools.yang.parser.spi.SubmoduleNamespace;
  33 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  34 import org.opendaylight.yangtools.yang.parser.spi.meta.BoundStmtCtx;
  35 import org.opendaylight.yangtools.yang.parser.spi.meta.CommonStmtCtx;
  36 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  37 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  38 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  39 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
  40 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  41 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleName;
  42 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  43
  44 @Beta
  45 public final class SubmoduleStatementSupport
  46         extends AbstractStatementSupport<Unqualified, SubmoduleStatement, SubmoduleEffectiveStatement> {
  47     private static final SubstatementValidator RFC6020_VALIDATOR =
  48         SubstatementValidator.builder(YangStmtMapping.SUBMODULE)
  49             .addAny(YangStmtMapping.ANYXML)
  50             .addAny(YangStmtMapping.AUGMENT)
  51             .addMandatory(YangStmtMapping.BELONGS_TO)
  52             .addAny(YangStmtMapping.CHOICE)
  53             .addOptional(YangStmtMapping.CONTACT)
  54             .addAny(YangStmtMapping.CONTAINER)
  55             .addOptional(YangStmtMapping.DESCRIPTION)
  56             .addAny(YangStmtMapping.DEVIATION)
  57             .addAny(YangStmtMapping.EXTENSION)
  58             .addAny(YangStmtMapping.FEATURE)
  59             .addAny(YangStmtMapping.GROUPING)
  60             .addAny(YangStmtMapping.IDENTITY)
  61             .addAny(YangStmtMapping.IMPORT)
  62             .addAny(YangStmtMapping.INCLUDE)
  63             .addAny(YangStmtMapping.LEAF)
  64             .addAny(YangStmtMapping.LEAF_LIST)
  65             .addAny(YangStmtMapping.LIST)
  66             .addAny(YangStmtMapping.NOTIFICATION)
  67             .addOptional(YangStmtMapping.ORGANIZATION)
  68             .addOptional(YangStmtMapping.REFERENCE)
  69             .addAny(YangStmtMapping.REVISION)
  70             .addAny(YangStmtMapping.RPC)
  71             .addAny(YangStmtMapping.TYPEDEF)
  72             .addAny(YangStmtMapping.USES)
  73             .addOptional(YangStmtMapping.YANG_VERSION)
  74             .build();
  75     private static final SubstatementValidator RFC7950_VALIDATOR =
  76         SubstatementValidator.builder(YangStmtMapping.SUBMODULE)
  77             .addAny(YangStmtMapping.ANYDATA)
  78             .addAny(YangStmtMapping.ANYXML)
  79             .addAny(YangStmtMapping.AUGMENT)
  80             .addMandatory(YangStmtMapping.BELONGS_TO)
  81             .addAny(YangStmtMapping.CHOICE)
  82             .addOptional(YangStmtMapping.CONTACT)
  83             .addAny(YangStmtMapping.CONTAINER)
  84             .addOptional(YangStmtMapping.DESCRIPTION)
  85             .addAny(YangStmtMapping.DEVIATION)
  86             .addAny(YangStmtMapping.EXTENSION)
  87             .addAny(YangStmtMapping.FEATURE)
  88             .addAny(YangStmtMapping.GROUPING)
  89             .addAny(YangStmtMapping.IDENTITY)
  90             .addAny(YangStmtMapping.IMPORT)
  91             .addAny(YangStmtMapping.INCLUDE)
  92             .addAny(YangStmtMapping.LEAF)
  93             .addAny(YangStmtMapping.LEAF_LIST)
  94             .addAny(YangStmtMapping.LIST)
  95             .addAny(YangStmtMapping.NOTIFICATION)
  96             .addOptional(YangStmtMapping.ORGANIZATION)
  97             .addOptional(YangStmtMapping.REFERENCE)
  98             .addAny(YangStmtMapping.REVISION)
  99             .addAny(YangStmtMapping.RPC)
 100             .addAny(YangStmtMapping.TYPEDEF)
 101             .addAny(YangStmtMapping.USES)
 102             .addOptional(YangStmtMapping.YANG_VERSION)
 103             .build();
 104
 105     private SubmoduleStatementSupport(final YangParserConfiguration config, final SubstatementValidator validator) {
 106         super(YangStmtMapping.SUBMODULE, StatementPolicy.reject(), config, validator);
 107     }
 108
 109     public static @NonNull SubmoduleStatementSupport rfc6020Instance(final YangParserConfiguration config) {
 110         return new SubmoduleStatementSupport(config, RFC6020_VALIDATOR);
 111     }
 112
 113     public static @NonNull SubmoduleStatementSupport rfc7950Instance(final YangParserConfiguration config) {
 114         return new SubmoduleStatementSupport(config, RFC7950_VALIDATOR);
 115     }
 116
 117     @Override
 118     public Unqualified parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
 119         try {
 120             return UnresolvedQName.unqualified(value);
 121         } catch (IllegalArgumentException e) {
 122             throw new SourceException(e.getMessage(), ctx, e);
 123         }
 124     }
 125
 126     @Override
 127     public void onPreLinkageDeclared(final Mutable<Unqualified, SubmoduleStatement, SubmoduleEffectiveStatement> stmt) {
 128         stmt.setRootIdentifier(RevisionSourceIdentifier.create(stmt.getRawArgument(),
 129             StmtContextUtils.getLatestRevision(stmt.declaredSubstatements())));
 130     }
 131
 132     @Override
 133     public void onLinkageDeclared(final Mutable<Unqualified, SubmoduleStatement, SubmoduleEffectiveStatement> stmt) {
 134         final SourceIdentifier submoduleIdentifier = RevisionSourceIdentifier.create(stmt.getRawArgument(),
 135             StmtContextUtils.getLatestRevision(stmt.declaredSubstatements()));
 136
 137         final StmtContext<?, SubmoduleStatement, SubmoduleEffectiveStatement>
 138             possibleDuplicateSubmodule = stmt.getFromNamespace(SubmoduleNamespace.class, submoduleIdentifier);
 139         if (possibleDuplicateSubmodule != null && possibleDuplicateSubmodule != stmt) {
 140             throw new SourceException(stmt, "Submodule name collision: %s. At %s", stmt.rawArgument(),
 141                 possibleDuplicateSubmodule.sourceReference());
 142         }
 143
 144         stmt.addContext(SubmoduleNamespace.class, submoduleIdentifier, stmt);
 145
 146         final String belongsToModuleName = firstAttributeOf(stmt.declaredSubstatements(), BelongsToStatement.class);
 147         final StmtContext<?, ?, ?> prefixSubStmtCtx = SourceException.throwIfNull(
 148             findFirstDeclaredSubstatement(stmt, 0, BelongsToStatement.class, PrefixStatement.class), stmt,
 149             "Prefix of belongsTo statement is missing in submodule [%s]", stmt.rawArgument());
 150
 151         final String prefix = prefixSubStmtCtx.rawArgument();
 152         stmt.addToNs(BelongsToPrefixToModuleName.class, prefix, belongsToModuleName);
 153     }
 154
 155     @Override
 156     protected SubmoduleStatement createDeclared(final BoundStmtCtx<Unqualified> ctx,
 157             final ImmutableList<DeclaredStatement<?>> substatements) {
 158         if (substatements.isEmpty()) {
 159             throw noBelongsTo(ctx);
 160         }
 161         return DeclaredStatements.createSubmodule(ctx.getRawArgument(), ctx.getArgument(), substatements);
 162     }
 163
 164     @Override
 165     protected SubmoduleStatement attachDeclarationReference(final SubmoduleStatement stmt,
 166             final DeclarationReference reference) {
 167         return DeclaredStatementDecorators.decorateSubmodule(stmt, reference);
 168     }
 169
 170     @Override
 171     protected SubmoduleEffectiveStatement createEffective(final Current<Unqualified, SubmoduleStatement> stmt,
 172             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 173         if (substatements.isEmpty()) {
 174             throw noBelongsTo(stmt);
 175         }
 176         try {
 177             return new SubmoduleEffectiveStatementImpl(stmt, substatements);
 178         } catch (SubstatementIndexingException e) {
 179             throw new SourceException(e.getMessage(), stmt, e);
 180         }
 181     }
 182
 183     private static SourceException noBelongsTo(final CommonStmtCtx stmt) {
 184         return new SourceException("No belongs-to declared in submodule", stmt);
 185     }
 186 }