/**
* 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.Preconditions;
+import com.google.common.collect.ImmutableList.Builder;
+import com.google.common.collect.ImmutableSet;
import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedList;
import java.util.List;
-import java.util.Map;
+import java.util.Objects;
import java.util.Set;
-
+import java.util.regex.Pattern;
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.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.parser.spi.NamespaceToModule;
+import org.opendaylight.yangtools.yang.model.api.stmt.WhenStatement;
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.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.StatementContextBase;
+// FIXME: Move this to the AugmentStatementDefinition#ApplyAction
public final class AugmentUtils {
- private static final String REGEX_PATH_REL1 = "\\.\\.?\\s*/(.+)";
- private static final String REGEX_PATH_REL2 = "//.*";
+ private static final Pattern PATH_REL_PATTERN1 = Pattern.compile("\\.\\.?\\s*/(.+)");
+ private static final Pattern PATH_REL_PATTERN2 = Pattern.compile("//.*");
private AugmentUtils() {
}
- public static Iterable<QName> parseAugmentPath(StmtContext<?, ?, ?> ctx, String path) {
-
- if (path.matches(REGEX_PATH_REL1) || path.matches(REGEX_PATH_REL2)) {
- throw new IllegalArgumentException(
+ public static Iterable<QName> parseAugmentPath(final StmtContext<?, ?, ?> ctx, final String path) {
+ Preconditions.checkArgument(!PATH_REL_PATTERN1.matcher(path).matches()
+ && !PATH_REL_PATTERN2.matcher(path).matches(),
"An argument for augment can be only absolute path; or descendant if used in uses");
- }
-
return Utils.parseXPath(ctx, path);
}
- 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 List<StatementContextBase<?, ?, ?>> subStatements = new Builder<StatementContextBase<?, ?, ?>>()
+ .addAll(targetCtx.declaredSubstatements()).addAll(targetCtx.effectiveSubstatements()).build();
+ boolean sourceAndTargetInSameModule = Utils.getRootModuleQName(sourceCtx).equals(
+ Utils.getRootModuleQName(targetCtx));
+
+ 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, subStatements, sourceAndTargetInSameModule);
+
+ 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 List<StatementContextBase<?, ?, ?>> subStatements = new Builder<StatementContextBase<?, ?, ?>>()
+ .addAll(targetCtx.declaredSubstatements()).addAll(targetCtx.effectiveSubstatements()).build();
+ boolean sourceAndTargetInSameModule = Utils.getRootModuleQName(sourceCtx).equals(
+ Utils.getRootModuleQName(targetCtx));
+
+ 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, subStatements, sourceAndTargetInSameModule);
+
+ 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();
-
- 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();
+ private static void validateNodeCanBeCopiedByAugment(final StatementContextBase<?, ?, ?> sourceCtx,
+ final List<StatementContextBase<?, ?, ?>> targetSubStatements, final boolean sourceAndTargetInSameModule) {
- if (targetQNameModule.equals(sourceQNameModule)) {
- return null;
- } else {
- return targetQNameModule;
- }
- } else {
- return null;
+ if (sourceCtx.getPublicDefinition().getDeclaredRepresentationClass().equals(WhenStatement.class)) {
+ return;
}
- }
-
- public static boolean needToCopyByAugment(StmtContext<?, ?, ?> stmtContext) {
-
- Set<StatementDefinition> noCopyDefSet = new HashSet<>();
- noCopyDefSet.add(Rfc6020Mapping.USES);
- StatementDefinition def = stmtContext.getPublicDefinition();
- return !noCopyDefSet.contains(def);
- }
-
- public static boolean isReusedByAugment(StmtContext<?, ?, ?> stmtContext) {
-
- Set<StatementDefinition> reusedDefSet = new HashSet<>();
- reusedDefSet.add(Rfc6020Mapping.TYPEDEF);
-
- StatementDefinition def = stmtContext.getPublicDefinition();
-
- return reusedDefSet.contains(def);
- }
-
- public static StatementContextBase<?, ?, ?> getAugmentTargetCtx(
- final Mutable<SchemaNodeIdentifier, AugmentStatement, EffectiveStatement<SchemaNodeIdentifier, AugmentStatement>> augmentNode) {
-
- final SchemaNodeIdentifier augmentTargetNode = augmentNode.getStatementArgument();
-
- List<StatementContextBase<?, ?, ?>> rootStatementCtxList = new LinkedList<>();
-
- if (augmentTargetNode.isAbsolute()) {
-
- QNameModule module;
- if (augmentTargetNode != null) {
- module = augmentTargetNode.getPathFromRoot().iterator().next().getModule();
- } else {
- throw new IllegalArgumentException(
- "Augment argument null, something bad happened in some of previous parsing phases");
+ if (!sourceAndTargetInSameModule) {
+ final List<StatementContextBase<?, ?, ?>> sourceSubStatements = new Builder<StatementContextBase<?, ?, ?>>()
+ .addAll(sourceCtx.declaredSubstatements()).addAll(sourceCtx.effectiveSubstatements()).build();
+
+ for (final StatementContextBase<?, ?, ?> sourceSubStatement : sourceSubStatements) {
+ if (sourceSubStatement.getPublicDefinition().getDeclaredRepresentationClass()
+ .equals(MandatoryStatement.class)) {
+ throw new IllegalArgumentException(
+ String.format(
+ "An augment cannot add node '%s' because it is mandatory and in module different from target",
+ sourceCtx.rawStatementArgument()));
+ }
}
+ }
- StatementContextBase<?, ?, ?> rootStatementCtx = (StatementContextBase<?, ?, ?>) augmentNode.getFromNamespace(
- NamespaceToModule.class, module);
- rootStatementCtxList.add(rootStatementCtx);
+ for (final StatementContextBase<?, ?, ?> subStatement : targetSubStatements) {
- final Map<?, ?> subModules = rootStatementCtx.getAllFromNamespace(IncludedModuleContext.class);
- if (subModules != null) {
- rootStatementCtxList.addAll((Collection<? extends StatementContextBase<?, ?, ?>>) subModules.values());
- }
+ 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());
- } else {
- StatementContextBase<?, ?, ?> parent = (StatementContextBase<?, ?, ?>) augmentNode.getParentContext();
- if (StmtContextUtils.producesDeclared(parent, UsesStatement.class)) {
- rootStatementCtxList.add(parent.getParentContext());
- } else {
- //error
+ if (qNamesEqual) {
+ throw new IllegalStateException(String.format(
+ "An augment cannot add node named '%s' because this name is already used in target",
+ sourceCtx.rawStatementArgument()));
}
}
+ }
- List<QName> augmentTargetPath = new LinkedList<>();
+ private static final Set<Rfc6020Mapping> NOCOPY_DEV_SET = ImmutableSet.of(Rfc6020Mapping.USES);
- augmentTargetPath.addAll((Collection<? extends QName>) augmentTargetNode.getPathFromRoot());
+ public static boolean needToCopyByAugment(final StmtContext<?, ?, ?> stmtContext) {
+ return !NOCOPY_DEV_SET.contains(stmtContext.getPublicDefinition());
+ }
- StatementContextBase<?, ?, ?> augmentTargetCtx = null;
- for (final StatementContextBase<?, ?, ?> rootStatementCtx : rootStatementCtxList) {
- augmentTargetCtx = Utils.findCtxOfNodeInRoot(rootStatementCtx,
- augmentTargetPath);
- if (augmentTargetCtx != null) break;
- }
+ private static final Set<Rfc6020Mapping> REUSED_DEF_SET = ImmutableSet.of(Rfc6020Mapping.TYPEDEF);
+ 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 be not 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());
}
}