X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=yang%2Fyang-parser-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fparser%2Fspi%2Fmeta%2FStmtContextUtils.java;h=77b285f16a9a3137dd17a1ac8b6fb3acee136515;hb=ea32c2c6fac2ebe9d0e30c9c4e5279c5ef0d2314;hp=1838e6effc97c288cd70b5d8f860ecd8469d37b7;hpb=56c345b2b582301c8c62546db692f9a9ba70248e;p=yangtools.git

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java
index 1838e6effc..77b285f16a 100644
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/spi/meta/StmtContextUtils.java
@@ -8,21 +8,34 @@
 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();
         }
     };
@@ -37,21 +50,157 @@ public final class StmtContextUtils {
     }
 
     @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();
+    }
 }