package org.opendaylight.yangtools.yang.parser.spi.meta;
import com.google.common.base.Function;
+import com.google.common.base.Splitter;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSet.Builder;
+import java.util.Collection;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.KeyStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
+import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.UnknownStatementImpl;
public final class StmtContextUtils {
+ public static final Splitter LIST_KEY_SPLITTER = Splitter.on(' ').omitEmptyStrings().trimResults();
- private static final Function<StmtContext<?, ?,?>, DeclaredStatement<?>> BUILD_DECLARED = new Function<StmtContext<?,?,?>, DeclaredStatement<?>>() {
+ private static final Function<StmtContext<?, ?,?>, DeclaredStatement<?>> BUILD_DECLARED =
+ new Function<StmtContext<?,?,?>, DeclaredStatement<?>>() {
@Override
- public DeclaredStatement<?> apply(StmtContext<?,?,?> input) {
+ public DeclaredStatement<?> apply(final StmtContext<?, ?, ?> input) {
return input.buildDeclared();
}
};
- private static final Function<StmtContext<?, ?,?>, EffectiveStatement<?,?>> BUILD_EFFECTIVE = new Function<StmtContext<?,?,?>, EffectiveStatement<?,?>>() {
+ private static final Function<StmtContext<?, ?,?>, EffectiveStatement<?,?>> BUILD_EFFECTIVE =
+ new Function<StmtContext<?,?,?>, EffectiveStatement<?,?>>() {
@Override
- public EffectiveStatement<?,?> apply(StmtContext<?,?,?> input) {
+ public EffectiveStatement<?, ?> apply(final StmtContext<?, ?, ?> input) {
return input.buildEffective();
}
};
}
@SuppressWarnings("unchecked")
- public static <E extends EffectiveStatement<?,?>> Function<StmtContext<?, ?,? extends E>, E> buildEffective() {
+ public static <E extends EffectiveStatement<?, ?>> Function<StmtContext<?, ?, ? extends E>, E> buildEffective() {
return Function.class.cast(BUILD_EFFECTIVE);
}
@SuppressWarnings("unchecked")
- public static <AT,DT extends DeclaredStatement<AT>> AT firstAttributeOf(Iterable<? extends StmtContext<?,?,?>> contexts, Class<DT> declaredType) {
- for(StmtContext<?, ?, ?> ctx : contexts) {
- if(producesDeclared(ctx,declaredType)) {
+ public static <AT, DT extends DeclaredStatement<AT>> AT firstAttributeOf(
+ final Iterable<? extends StmtContext<?, ?, ?>> contexts, final Class<DT> declaredType) {
+ for (StmtContext<?, ?, ?> ctx : contexts) {
+ if (producesDeclared(ctx, declaredType)) {
return (AT) ctx.getStatementArgument();
}
}
return null;
}
- public static boolean producesDeclared(StmtContext<?, ?, ?> ctx, Class<? extends DeclaredStatement<?>> type) {
+ @SuppressWarnings("unchecked")
+ public static <AT, DT extends DeclaredStatement<AT>> AT firstAttributeOf(final StmtContext<?, ?, ?> ctx,
+ final Class<DT> declaredType) {
+ return producesDeclared(ctx, declaredType) ? (AT) ctx.getStatementArgument() : null;
+ }
+
+ @SuppressWarnings("unchecked")
+ public static <AT,DT extends DeclaredStatement<AT>> StmtContext<AT, ?, ?> findFirstDeclaredSubstatement(
+ final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType) {
+ for (StmtContext<?, ?, ?> subStmtContext : stmtContext.declaredSubstatements()) {
+ if (producesDeclared(subStmtContext,declaredType)) {
+ return (StmtContext<AT, ?, ?>) subStmtContext;
+ }
+ }
+ return null;
+ }
+
+ @SuppressWarnings("unchecked")
+ public static <AT,DT extends DeclaredStatement<AT>> Collection<StmtContext<AT, DT, ?>> findAllDeclaredSubstatement(
+ final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType) {
+ ImmutableList.Builder<StmtContext<AT, DT, ?>> listBuilder = ImmutableList.builder();
+ for (StmtContext<?, ?, ?> subStmtContext : stmtContext.declaredSubstatements()) {
+ if (producesDeclared(subStmtContext,declaredType)) {
+ listBuilder.add((StmtContext<AT, DT, ?>) subStmtContext);
+ }
+ }
+ return listBuilder.build();
+ }
+
+ @SuppressWarnings("unchecked")
+ public static <AT,DT extends DeclaredStatement<AT>> StmtContext<AT, ?, ?> findFirstEffectiveSubstatement(
+ final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType) {
+ for (StmtContext<?, ?, ?> subStmtContext : stmtContext.effectiveSubstatements()) {
+ if (producesDeclared(subStmtContext,declaredType)) {
+ return (StmtContext<AT, ?, ?>) subStmtContext;
+ }
+ }
+ return null;
+ }
+
+ public static <AT,DT extends DeclaredStatement<AT>> StmtContext<AT, ?, ?> findFirstSubstatement(
+ final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType) {
+ StmtContext<AT, ?, ?> declaredSubstatement = findFirstDeclaredSubstatement(stmtContext, declaredType);
+ return declaredSubstatement != null ? declaredSubstatement : findFirstEffectiveSubstatement(stmtContext, declaredType);
+ }
+
+ @SafeVarargs
+ public static StmtContext<?, ?, ?> findFirstDeclaredSubstatement(final StmtContext<?, ?, ?> stmtContext,
+ int startIndex, final Class<? extends DeclaredStatement<?>>... types) {
+ if (startIndex >= types.length) {
+ return null;
+ }
+
+ for (StmtContext<?, ?, ?> subStmtContext : stmtContext.declaredSubstatements()) {
+ if (producesDeclared(subStmtContext,types[startIndex])) {
+ return startIndex + 1 == types.length ? subStmtContext
+ : findFirstDeclaredSubstatement(subStmtContext, ++startIndex, types);
+ }
+ }
+ return null;
+ }
+
+ public static <DT extends DeclaredStatement<?>> StmtContext<?, ?, ?> findFirstDeclaredSubstatementOnSublevel(
+ final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType, int sublevel) {
+ for (StmtContext<?, ?, ?> subStmtContext : stmtContext.declaredSubstatements()) {
+ if (sublevel == 1 && producesDeclared(subStmtContext, declaredType)) {
+ return subStmtContext;
+ }
+ if (sublevel > 1) {
+ final StmtContext<?, ?, ?> result = findFirstDeclaredSubstatementOnSublevel(
+ subStmtContext, declaredType, --sublevel);
+ if (result != null) {
+ return result;
+ }
+ }
+ }
+
+ return null;
+ }
+
+ public static <DT extends DeclaredStatement<?>> StmtContext<?, ?, ?> findDeepFirstDeclaredSubstatement(
+ final StmtContext<?, ?, ?> stmtContext, final Class<DT> declaredType) {
+ for (StmtContext<?, ?, ?> subStmtContext : stmtContext.declaredSubstatements()) {
+ if (producesDeclared(subStmtContext, declaredType)) {
+ return subStmtContext;
+ }
+
+ final StmtContext<?, ?, ?> result = findDeepFirstDeclaredSubstatement(subStmtContext, declaredType);
+ if (result != null) {
+ return result;
+ }
+ }
+
+ return null;
+ }
+
+ public static boolean producesDeclared(final StmtContext<?, ?, ?> ctx,
+ final Class<? extends DeclaredStatement<?>> type) {
return type.isAssignableFrom(ctx.getPublicDefinition().getDeclaredRepresentationClass());
}
+
+ public static boolean isInExtensionBody(final StmtContext<?,?,?> stmtCtx) {
+ StmtContext<?,?,?> current = stmtCtx;
+ while (!current.getParentContext().isRootContext()) {
+ current = current.getParentContext();
+ if (producesDeclared(current, UnknownStatementImpl.class)) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public static boolean isUnknownStatement(final StmtContext<?, ?, ?> stmtCtx) {
+ return producesDeclared(stmtCtx, UnknownStatementImpl.class);
+ }
+
+ public static Collection<SchemaNodeIdentifier> replaceModuleQNameForKey(
+ final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?> keyStmtCtx,
+ final QNameModule newQNameModule) {
+
+ final Builder<SchemaNodeIdentifier> builder = ImmutableSet.builder();
+ boolean replaced = false;
+ for (SchemaNodeIdentifier arg : keyStmtCtx.getStatementArgument()) {
+ final QName qname = arg.getLastComponent();
+ if (!newQNameModule.equals(qname)) {
+ final QName newQname = keyStmtCtx.getFromNamespace(QNameCacheNamespace.class,
+ QName.create(newQNameModule, qname.getLocalName()));
+ builder.add(SchemaNodeIdentifier.create(false, newQname));
+ replaced = true;
+ } else {
+ builder.add(arg);
+ }
+ }
+
+ // This makes sure we reuse the collection when a grouping is instantiated in the same module
+ return replaced ? builder.build() : keyStmtCtx.getStatementArgument();
+ }
}