/**
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- * <p/>
+ *
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
+import com.google.common.base.Verify;
+import com.google.common.collect.ImmutableList.Builder;
+import com.google.common.collect.ImmutableSet;
import java.util.Collection;
-import java.util.HashSet;
-
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
-import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
-import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
-import org.opendaylight.yangtools.yang.model.api.stmt.AugmentStatement;
-import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
-import org.opendaylight.yangtools.yang.parser.spi.NamespaceToModule;
+import org.opendaylight.yangtools.yang.model.api.stmt.DataDefinitionStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.UsesStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.WhenStatement;
+import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
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.source.ModuleNameToModuleQName;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.TypeOfCopy;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
+import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace;
+import org.opendaylight.yangtools.yang.parser.spi.validation.ValidationBundlesNamespace.ValidationBundleType;
+import org.opendaylight.yangtools.yang.parser.stmt.reactor.RootStatementContext;
import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
-public class AugmentUtils {
-
- private static final String REGEX_PATH_REL1 = "\\.\\.?\\s*/(.+)";
- private static final String REGEX_PATH_REL2 = "//.*";
-
- public static Iterable<QName> parseAugmentPath(StmtContext<?, ?, ?> ctx, String path) {
-
- if (path.matches(REGEX_PATH_REL1) || path.matches(REGEX_PATH_REL2)) {
- throw new IllegalArgumentException(
- "An argument for augment can be only absolute path; or descendant if used in uses");
- }
-
- return Utils.parseXPath(ctx, path);
+// FIXME: Move this to the AugmentStatementDefinition#ApplyAction
+public final class AugmentUtils {
+ private AugmentUtils() {
}
- public static void copyFromSourceToTarget(StatementContextBase<?, ?, ?> sourceCtx,
- StatementContextBase<?, ?, ?> targetCtx) throws SourceException {
+ public static void copyFromSourceToTarget(final StatementContextBase<?, ?, ?> sourceCtx,
+ final StatementContextBase<?, ?, ?> targetCtx) throws SourceException {
+ copyDeclaredStmts(sourceCtx, targetCtx);
+ copyEffectiveStmts(sourceCtx, targetCtx);
+ }
- QNameModule newQNameModule = getNewQNameModule(targetCtx, sourceCtx);
- copyDeclaredStmts(sourceCtx, targetCtx, newQNameModule);
- copyEffectiveStmts(sourceCtx, targetCtx, newQNameModule);
+ // FIXME: Declared statements should not be copied.
+ private static void copyDeclaredStmts(final StatementContextBase<?, ?, ?> sourceCtx,
+ final StatementContextBase<?, ?, ?> targetCtx) throws SourceException {
- }
+ final TypeOfCopy typeOfCopy = sourceCtx.getParentContext().getPublicDefinition().getDeclaredRepresentationClass()
+ .equals(UsesStatement.class) ? TypeOfCopy.ADDED_BY_USES_AUGMENTATION : TypeOfCopy.ADDED_BY_AUGMENTATION;
- public static void copyDeclaredStmts(StatementContextBase<?, ?, ?> sourceCtx,
- StatementContextBase<?, ?, ?> targetCtx, QNameModule newQNameModule) throws SourceException {
- Collection<? extends StatementContextBase<?, ?, ?>> declaredSubstatements = sourceCtx.declaredSubstatements();
- for (StatementContextBase<?, ?, ?> originalStmtCtx : declaredSubstatements) {
+ for (StatementContextBase<?, ?, ?> originalStmtCtx : sourceCtx.declaredSubstatements()) {
if (needToCopyByAugment(originalStmtCtx)) {
- StatementContextBase<?, ?, ?> copy = originalStmtCtx.createCopy(newQNameModule, targetCtx);
+ validateNodeCanBeCopiedByAugment(originalStmtCtx, targetCtx, typeOfCopy);
+
+ StatementContextBase<?, ?, ?> copy = originalStmtCtx.createCopy(targetCtx, typeOfCopy);
targetCtx.addEffectiveSubstatement(copy);
} else if (isReusedByAugment(originalStmtCtx)) {
targetCtx.addEffectiveSubstatement(originalStmtCtx);
}
}
- public static void copyEffectiveStmts(StatementContextBase<?, ?, ?> sourceCtx,
- StatementContextBase<?, ?, ?> targetCtx, QNameModule newQNameModule) throws SourceException {
- Collection<? extends StatementContextBase<?, ?, ?>> effectiveSubstatements = sourceCtx.effectiveSubstatements();
- for (StatementContextBase<?, ?, ?> originalStmtCtx : effectiveSubstatements) {
+ private static void copyEffectiveStmts(final StatementContextBase<?, ?, ?> sourceCtx,
+ final StatementContextBase<?, ?, ?> targetCtx) throws SourceException {
+ final TypeOfCopy typeOfCopy = sourceCtx.getParentContext().getPublicDefinition().getDeclaredRepresentationClass()
+ .equals(UsesStatement.class) ? TypeOfCopy.ADDED_BY_USES_AUGMENTATION : TypeOfCopy.ADDED_BY_AUGMENTATION;
+
+ for (StatementContextBase<?, ?, ?> originalStmtCtx : sourceCtx.effectiveSubstatements()) {
if (needToCopyByAugment(originalStmtCtx)) {
- StatementContextBase<?, ?, ?> copy = originalStmtCtx.createCopy(newQNameModule, targetCtx);
+ validateNodeCanBeCopiedByAugment(originalStmtCtx, targetCtx, typeOfCopy);
+
+ StatementContextBase<?, ?, ?> copy = originalStmtCtx.createCopy(targetCtx, typeOfCopy);
targetCtx.addEffectiveSubstatement(copy);
} else if (isReusedByAugment(originalStmtCtx)) {
targetCtx.addEffectiveSubstatement(originalStmtCtx);
}
}
- public static QNameModule getNewQNameModule(StatementContextBase<?, ?, ?> targetCtx,
- StatementContextBase<?, ?, ?> sourceCtx) {
- Object targetStmtArgument = targetCtx.getStatementArgument();
+ private static void validateNodeCanBeCopiedByAugment(final StatementContextBase<?, ?, ?> sourceCtx,
+ final StatementContextBase<?, ?, ?> targetCtx, final TypeOfCopy typeOfCopy) {
- final StatementContextBase<?, ?, ?> root = sourceCtx.getRoot();
- final String moduleName = (String) root.getStatementArgument();
- final QNameModule sourceQNameModule = root.getFromNamespace(ModuleNameToModuleQName.class, moduleName);
-
- if (targetStmtArgument instanceof QName) {
- QName targetQName = (QName) targetStmtArgument;
- QNameModule targetQNameModule = targetQName.getModule();
+ if (sourceCtx.getPublicDefinition().getDeclaredRepresentationClass().equals(WhenStatement.class)) {
+ return;
+ }
- if (targetQNameModule.equals(sourceQNameModule))
- return null;
- else
- return targetQNameModule;
- } else
- return null;
- }
+ if (typeOfCopy == TypeOfCopy.ADDED_BY_AUGMENTATION && reguiredCheckOfMandatoryNodes(sourceCtx, targetCtx)) {
+ final List<StatementContextBase<?, ?, ?>> sourceSubStatements = new Builder<StatementContextBase<?, ?, ?>>()
+ .addAll(sourceCtx.declaredSubstatements()).addAll(sourceCtx.effectiveSubstatements()).build();
- public static boolean needToCopyByAugment(StmtContext<?, ?, ?> stmtContext) {
+ for (final StatementContextBase<?, ?, ?> sourceSubStatement : sourceSubStatements) {
+ InferenceException.throwIf(MandatoryStatement.class.equals(sourceSubStatement.getPublicDefinition()
+ .getDeclaredRepresentationClass()), sourceCtx.getStatementSourceReference(),
+ "An augment cannot add node '%s' because it is mandatory and in module different from target",
+ sourceCtx.rawStatementArgument());
+ }
+ }
- HashSet<StatementDefinition> noCopyDefSet = new HashSet<>();
- noCopyDefSet.add(Rfc6020Mapping.USES);
+ final List<StatementContextBase<?, ?, ?>> targetSubStatements = new Builder<StatementContextBase<?, ?, ?>>()
+ .addAll(targetCtx.declaredSubstatements()).addAll(targetCtx.effectiveSubstatements()).build();
- StatementDefinition def = stmtContext.getPublicDefinition();
- if (noCopyDefSet.contains(def))
- return false;
- else
- return true;
- }
+ for (final StatementContextBase<?, ?, ?> subStatement : targetSubStatements) {
- public static boolean isReusedByAugment(StmtContext<?, ?, ?> stmtContext) {
+ final boolean sourceIsDataNode = DataDefinitionStatement.class.isAssignableFrom(sourceCtx
+ .getPublicDefinition().getDeclaredRepresentationClass());
+ final boolean targetIsDataNode = DataDefinitionStatement.class.isAssignableFrom(subStatement
+ .getPublicDefinition().getDeclaredRepresentationClass());
+ boolean qNamesEqual = sourceIsDataNode && targetIsDataNode
+ && Objects.equals(sourceCtx.getStatementArgument(), subStatement.getStatementArgument());
- HashSet<StatementDefinition> reusedDefSet = new HashSet<>();
- reusedDefSet.add(Rfc6020Mapping.TYPEDEF);
+ InferenceException.throwIf(qNamesEqual, sourceCtx.getStatementSourceReference(),
+ "An augment cannot add node named '%s' because this name is already used in target",
+ sourceCtx.rawStatementArgument());
+ }
+ }
- StatementDefinition def = stmtContext.getPublicDefinition();
- if (reusedDefSet.contains(def))
- return true;
- else
+ private static boolean reguiredCheckOfMandatoryNodes(final StatementContextBase<?, ?, ?> sourceCtx,
+ StatementContextBase<?, ?, ?> targetCtx) {
+ /*
+ * If the statement argument is not QName, it cannot be mandatory statement,
+ * therefore return false and skip mandatory nodes validation
+ */
+ if(!(sourceCtx.getStatementArgument() instanceof QName)) {
return false;
- }
+ }
+ QName sourceStmtQName = (QName) sourceCtx.getStatementArgument();
+
+ RootStatementContext<?, ?, ?> root = targetCtx.getRoot();
+ do {
+ Verify.verify(targetCtx.getStatementArgument() instanceof QName,
+ "Argument of augment target statement must be QName.");
+ QName targetStmtQName = (QName) targetCtx.getStatementArgument();
+ /*
+ * If target is from another module, return true and perform
+ * mandatory nodes validation
+ */
+ if (!Utils.belongsToTheSameModule(targetStmtQName, sourceStmtQName)) {
+ return true;
+ } else {
+ /*
+ * If target or one of its parent is a presence container from
+ * the same module, return false and skip mandatory nodes
+ * validation
+ */
+ if (Utils.isPresenceContainer(targetCtx)) {
+ return false;
+ }
+ }
+ } while ((targetCtx = targetCtx.getParentContext()) != root);
- public static StatementContextBase<?, ?, ?> getAugmentTargetCtx(
- final Mutable<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>> augmentNode) {
+ /*
+ * All target node's parents belong to the same module as source node,
+ * therefore return false and skip mandatory nodes validation.
+ */
+ return false;
+ }
- final SchemaNodeIdentifier augmentTargetPath = augmentNode.getStatementArgument();
+ private static final Set<Rfc6020Mapping> NOCOPY_DEF_SET = ImmutableSet.of(Rfc6020Mapping.USES, Rfc6020Mapping.WHEN,
+ Rfc6020Mapping.DESCRIPTION, Rfc6020Mapping.REFERENCE, Rfc6020Mapping.STATUS);
- QNameModule module;
- if (augmentTargetPath != null) {
- module = augmentTargetPath.getPathFromRoot().iterator().next().getModule();
- } else {
- throw new IllegalArgumentException(
- "Augment argument null, something bad happened in some of previous parsing phases");
- }
+ public static boolean needToCopyByAugment(final StmtContext<?, ?, ?> stmtContext) {
+ return !NOCOPY_DEF_SET.contains(stmtContext.getPublicDefinition());
+ }
- StatementContextBase<?, ?, ?> rootStatementCtx = (StatementContextBase<?, ?, ?>) augmentNode.getFromNamespace(
- NamespaceToModule.class, module);
+ private static final Set<Rfc6020Mapping> REUSED_DEF_SET = ImmutableSet.of(Rfc6020Mapping.TYPEDEF);
- final StatementContextBase<?, ?, ?> augmentTargetCtx = Utils.findCtxOfNodeInRoot(rootStatementCtx,
- augmentTargetPath);
+ public static boolean isReusedByAugment(final StmtContext<?, ?, ?> stmtContext) {
+ return REUSED_DEF_SET.contains(stmtContext.getPublicDefinition());
+ }
- if (augmentTargetCtx == null) {
+ static boolean isSupportedAugmentTarget(final StatementContextBase<?, ?, ?> substatementCtx) {
- throw new NullPointerException(String.format(
- "Augment path %s not found in target model so its resulting context is null",
- augmentNode.rawStatementArgument()));
+ /*
+ * :TODO Substatement must be allowed augment target type e.g. Container, etc... and must not be for example
+ * grouping, identity etc. It is problem in case when more than one substatements have the same QName, for
+ * example Grouping and Container are siblings and they have the same QName. We must find the Container and the
+ * Grouping must be ignored as disallowed augment target.
+ */
- }
+ Collection<?> allowedAugmentTargets = substatementCtx.getFromNamespace(ValidationBundlesNamespace.class,
+ ValidationBundleType.SUPPORTED_AUGMENT_TARGETS);
- return augmentTargetCtx;
+ // if no allowed target is returned we consider all targets allowed
+ return allowedAugmentTargets == null || allowedAugmentTargets.isEmpty()
+ || allowedAugmentTargets.contains(substatementCtx.getPublicDefinition());
}
}