-/**
+/*
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
*/
package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
-import static org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase.EFFECTIVE_MODEL;
-
+import static org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator.MAX;
+import com.google.common.base.Preconditions;
import java.util.Collection;
-
+import java.util.regex.Pattern;
import javax.annotation.Nonnull;
-
import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.AugmentStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.DataDefinitionStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
+import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
+import org.opendaylight.yangtools.yang.parser.spi.source.StmtOrderingNamespace;
import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.AugmentEffectiveStatementImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class AugmentStatementImpl extends AbstractDeclaredStatement<SchemaNodeIdentifier> implements AugmentStatement {
-
- protected AugmentStatementImpl(StmtContext<SchemaNodeIdentifier, AugmentStatement, ?> context) {
+ private static final Logger LOG = LoggerFactory.getLogger(AugmentStatementImpl.class);
+ private static final Pattern PATH_REL_PATTERN1 = Pattern.compile("\\.\\.?\\s*/(.+)");
+ private static final Pattern PATH_REL_PATTERN2 = Pattern.compile("//.*");
+ private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator
+ .builder(Rfc6020Mapping.AUGMENT)
+ .add(Rfc6020Mapping.ANYXML, 0, MAX)
+ .add(Rfc6020Mapping.CASE, 0, MAX)
+ .add(Rfc6020Mapping.CHOICE, 0, MAX)
+ .add(Rfc6020Mapping.CONTAINER, 0, MAX)
+ .add(Rfc6020Mapping.DESCRIPTION, 0, 1)
+ .add(Rfc6020Mapping.IF_FEATURE, 0, MAX)
+ .add(Rfc6020Mapping.LEAF, 0, MAX)
+ .add(Rfc6020Mapping.LEAF_LIST, 0, MAX)
+ .add(Rfc6020Mapping.LIST, 0, MAX)
+ .add(Rfc6020Mapping.REFERENCE, 0, 1)
+ .add(Rfc6020Mapping.STATUS, 0, 1)
+ .add(Rfc6020Mapping.USES, 0, MAX)
+ .add(Rfc6020Mapping.WHEN, 0, 1)
+ .build();
+
+ protected AugmentStatementImpl(final StmtContext<SchemaNodeIdentifier, AugmentStatement, ?> context) {
super(context);
}
- public static class Definition
- extends
+ public static class Definition extends
AbstractStatementSupport<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>> {
public Definition() {
}
@Override
- public SchemaNodeIdentifier parseArgumentValue(StmtContext<?, ?, ?> ctx, String value) throws SourceException {
- return SchemaNodeIdentifier.create(AugmentUtils.parseAugmentPath(ctx, value), Utils.isXPathAbsolute(value));
+ public SchemaNodeIdentifier parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
+ Preconditions.checkArgument(!PATH_REL_PATTERN1.matcher(value).matches()
+ && !PATH_REL_PATTERN2.matcher(value).matches(),
+ "An argument for augment can be only absolute path; or descendant if used in uses");
+
+ return Utils.nodeIdentifierFromPath(ctx, value);
}
@Override
- public AugmentStatement createDeclared(StmtContext<SchemaNodeIdentifier, AugmentStatement, ?> ctx) {
+ public AugmentStatement createDeclared(
+ final StmtContext<SchemaNodeIdentifier, AugmentStatement, ?> ctx) {
return new AugmentStatementImpl(ctx);
}
@Override
public EffectiveStatement<SchemaNodeIdentifier, AugmentStatement> createEffective(
- StmtContext<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>> ctx) {
+ final StmtContext<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>> ctx) {
return new AugmentEffectiveStatementImpl(ctx);
}
public void onFullDefinitionDeclared(
final StmtContext.Mutable<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>> augmentNode)
throws SourceException {
-
- final ModelActionBuilder augmentAction = augmentNode.newInferenceAction(EFFECTIVE_MODEL);
- final ModelActionBuilder.Prerequisite<StmtContext<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>>> sourceCtxPrereq = augmentAction
- .requiresCtx(augmentNode, ModelProcessingPhase.FULL_DECLARATION);
-
+ SUBSTATEMENT_VALIDATOR.validate(augmentNode);
+
+ if (StmtContextUtils.isInExtensionBody(augmentNode)) {
+ return;
+ }
+
+ final ModelActionBuilder augmentAction = augmentNode.newInferenceAction(
+ ModelProcessingPhase.EFFECTIVE_MODEL);
+ final ModelActionBuilder.Prerequisite<StmtContext<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>>> sourceCtxPrereq =
+ augmentAction.requiresCtx(augmentNode, ModelProcessingPhase.EFFECTIVE_MODEL);
+ final Prerequisite<Mutable<?, ?, EffectiveStatement<?, ?>>> target =
+ augmentAction.mutatesEffectiveCtx(getSearchRoot(augmentNode), SchemaNodeIdentifierBuildNamespace.class, augmentNode.getStatementArgument());
augmentAction.apply(new ModelActionBuilder.InferenceAction() {
@Override
- public void apply() throws InferenceException {
-
- final StatementContextBase<?, ?, ?> augmentTargetCtx = AugmentUtils
- .getAugmentTargetCtx(augmentNode);
- StatementContextBase<?, ?, ?> augmentSourceCtx = (StatementContextBase<?, ?, ?>) sourceCtxPrereq
- .get();
+ public void apply() {
+ final StatementContextBase<?, ?, ?> augmentTargetCtx = (StatementContextBase<?, ?, ?>) target.get();
+ if (!AugmentUtils.isSupportedAugmentTarget(augmentTargetCtx) || StmtContextUtils.isInExtensionBody(augmentTargetCtx)) {
+ augmentNode.setIsSupportedToBuildEffective(false);
+ return;
+ }
+ // FIXME: this is a workaround for models which augment a node which is added via an extension
+ // which we do not handle. This needs to be reworked in terms of unknown schema nodes.
+ final StatementContextBase<?, ?, ?> augmentSourceCtx = (StatementContextBase<?, ?, ?>) augmentNode;
try {
AugmentUtils.copyFromSourceToTarget(augmentSourceCtx, augmentTargetCtx);
+ augmentTargetCtx.addEffectiveSubstatement(augmentSourceCtx);
+ updateAugmentOrder(augmentSourceCtx);
} catch (SourceException e) {
- e.printStackTrace();
+ LOG.debug("Failed to add augmentation %s defined at {}",
+ augmentSourceCtx.getStatementSourceReference(), e);
}
}
- @Override
- public void prerequisiteFailed(final Collection<? extends ModelActionBuilder.Prerequisite<?>> failed)
- throws InferenceException {
- if (failed.contains(augmentAction)) {
- throw new InferenceException("Augment action failed", augmentNode.getStatementSourceReference());
+ private void updateAugmentOrder(final StatementContextBase<?, ?, ?> augmentSourceCtx) {
+ Integer currentOrder = augmentSourceCtx.getFromNamespace(StmtOrderingNamespace.class,
+ Rfc6020Mapping.AUGMENT);
+ if (currentOrder == null) {
+ currentOrder = 1;
+ } else {
+ currentOrder++;
}
+
+ augmentSourceCtx.setOrder(currentOrder);
+ augmentSourceCtx.addToNs(StmtOrderingNamespace.class, Rfc6020Mapping.AUGMENT, currentOrder);
+ }
+
+ @Override
+ public void prerequisiteFailed(final Collection<? extends ModelActionBuilder.Prerequisite<?>> failed) {
+ throw new InferenceException(augmentNode.getStatementSourceReference(),
+ "Augment target '%s' not found", augmentNode.getStatementArgument());
}
});
}
+
+ private static Mutable<?, ?, ?> getSearchRoot(final Mutable<?, ?, ?> augmentContext) {
+ Mutable<?, ?, ?> parent = augmentContext.getParentContext();
+ // Augment is in uses - we need to augment instantiated nodes in parent.
+ if (Rfc6020Mapping.USES.equals(parent.getPublicDefinition())) {
+ return parent.getParentContext();
+ }
+ return parent;
+ }
}
@Nonnull