/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.idea.java.index;
import com.intellij.util.indexing.DataIndexer;
import com.intellij.util.indexing.FileContent;
import jetbrains.mps.extapi.model.SModelData;
import jetbrains.mps.smodel.SNodeUtil;
import jetbrains.mps.util.CollectConsumer;
import jetbrains.mps.workbench.index.RootNodeNameIndex;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.util.Consumer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* FIXME see {@link SNodeDescriptorsDataExternalizer} for details
* User: fyodor
* Date: 3/28/13
*/
/*package*/ abstract class AbstractSModelIndexer<S, E> implements DataIndexer<String, Collection<E>, FileContent> {
private static final Logger LOG = Logger.getLogger(AbstractSModelIndexer.class);
private static final String[] JAVA_CLASS_CONCEPTS = {
"jetbrains.mps.baseLanguage.structure.Annotation",
"jetbrains.mps.baseLanguage.structure.ClassConcept",
"jetbrains.mps.baseLanguage.structure.EnumClass",
"jetbrains.mps.baseLanguage.structure.Interface",
"jetbrains.mps.baseLanguage.tuples.structure.NamedTupleDeclaration",
"jetbrains.mps.baseLanguage.unitTest.structure.BTestCase",
};
private static final String[] JAVA_METHOD_CONCEPTS = {
"jetbrains.mps.baseLanguage.closures.structure.FunctionMethodDeclaration",
"jetbrains.mps.baseLanguage.structure.AnnotationMethodDeclaration",
"jetbrains.mps.baseLanguage.structure.InstanceMethodDeclaration",
"jetbrains.mps.baseLanguage.structure.StaticMethodDeclaration",
"jetbrains.mps.baseLanguage.unitTest.structure.TestMethod",
};
private static final String[] JAVA_FIELD_CONCEPTS = {
"jetbrains.mps.baseLanguage.structure.FieldDeclaration",
"jetbrains.mps.baseLanguage.structure.StaticFieldDeclaration",
};
protected void getJavaClasses(SModelData sModel, Consumer<SNode> consumer) {
for (SNode root : sModel.getRootNodes()) {
collectJavaClasses(root, consumer);
}
}
protected void getJavaMethods(SModelData sModel, Consumer<SNode> consumer) {
CollectConsumer<SNode> classes = new CollectConsumer<>(new ArrayList<>());
for (SNode root : sModel.getRootNodes()) {
collectJavaClasses(root, classes);
}
for (SNode cls : classes.getResult()) {
collectJavaMethods(cls, consumer);
}
}
protected void getJavaFields(SModelData sModel, Consumer<SNode> consumer) {
CollectConsumer<SNode> classes = new CollectConsumer<>(new ArrayList<>());
for (SNode root : sModel.getRootNodes()) {
collectJavaClasses(root, classes);
}
for (SNode cls : classes.getResult()) {
collectJavaFields(cls, consumer);
}
}
private void collectJavaClasses(SNode cand, Consumer<SNode> consumer) {
if (isClassOrInterface(cand)) {
consumer.consume(cand);
for (SNode chd : cand.getChildren()) {
collectJavaClasses(chd, consumer);
}
}
}
private void collectJavaMethods(SNode node, Consumer<SNode> consumer) {
for (SNode cand : node.getChildren()) {
if (isMethod(cand)) {
consumer.consume(cand);
continue;
// TODO: walk the body and collect methods from the anonymous classes?
}
collectJavaMethods(cand, consumer);
}
}
private void collectJavaFields(SNode node, Consumer<SNode> consumer) {
for (SNode cand : node.getChildren()) {
if (isField(cand)) {
consumer.consume(cand);
continue;
}
collectJavaFields(cand, consumer);
}
}
private boolean isClassOrInterface(SNode sNode) {
return isExactConcept(sNode, JAVA_CLASS_CONCEPTS);
}
private boolean isMethod(SNode sNode) {
return isExactConcept(sNode, JAVA_METHOD_CONCEPTS);
}
private boolean isField(SNode sNode) {
return isExactConcept(sNode, JAVA_FIELD_CONCEPTS);
}
private boolean isExactConcept(SNode sNode, String[] concept) {
String qualifiedName = sNode.getConcept().getQualifiedName();
int idx = Arrays.binarySearch(concept, qualifiedName);
return idx >= 0;
}
@NotNull
@Override
public Map<String, Collection<E>> map(@NotNull final FileContent inputData) {
final HashMap<String, Collection<E>> map = new HashMap<>();
try {
final SModelData model = RootNodeNameIndex.doModelParsing(inputData);
if (model == null) {
return Collections.emptyMap();
}
final SModelReference modelRef = model.getReference();
getObjectsToIndex(model, object -> {
String[] keys = getKeys(model, object);
for (String key : keys) {
Collection<E> collection = map.get(key);
if (collection == null) {
collection = new ArrayList<>();
map.put(key, collection);
}
updateCollection(modelRef, object, collection);
}
});
} catch (Exception e) {
LOG.error("Error indexing model file " + inputData.getFileName(), e);
}
return map;
}
protected abstract void getObjectsToIndex(SModelData sModel, Consumer<S> consumer);
protected abstract String[] getKeys(SModelData model, S object);
protected abstract void updateCollection(SModelReference modelRef, S object, Collection<E> collection);
protected String getSNodeName(SNode node) {
String persistentName = node.getProperty(SNodeUtil.property_INamedConcept_name);
return (persistentName == null) ? "null" : persistentName;
}
}