/*
* Copyright 2003-2014 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.persistence.binary;
import jetbrains.mps.persistence.registry.ConceptInfo;
import jetbrains.mps.persistence.registry.IdInfoRegistry;
import jetbrains.mps.persistence.registry.PropertyInfo;
import jetbrains.mps.util.IterableUtil;
import jetbrains.mps.util.io.ModelOutputStream;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.language.SContainmentLink;
import org.jetbrains.mps.openapi.language.SProperty;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SReference;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
public final class NodesWriter extends BareNodeWriter {
private final IdInfoRegistry myInfo;
public NodesWriter(@NotNull SModelReference modelReference, @NotNull ModelOutputStream os, @NotNull IdInfoRegistry idInfo) {
super(modelReference, os);
myInfo = idInfo;
}
@Override
protected void writeNodePrim(SNode node) throws IOException {
ConceptInfo conceptInfo = myInfo.find(node.getConcept());
myOut.writeShort(conceptInfo.getIntIndex());
myOut.writeNodeId(node.getNodeId());
SContainmentLink roleInParent = node.getContainmentLink();
myOut.writeShort(roleInParent == null ? -1 : myInfo.find(roleInParent).getIntIndex());
}
protected void writeReferences(SNode node) throws IOException {
Collection<? extends SReference> refs = IterableUtil.asCollection(node.getReferences());
myOut.writeShort(refs.size());
for (SReference reference : refs) {
myOut.writeShort(myInfo.find(reference.getLink()).getIntIndex());
writeReferenceTarget(reference);
}
}
@Override
protected void writeProperties(SNode node) throws IOException {
final ArrayList<PropertyInfo> propertyInfo = new ArrayList<PropertyInfo>();
final ArrayList<String> propertyValue = new ArrayList<String>();
for (SProperty id : node.getProperties()) {
propertyInfo.add(myInfo.find(id));
propertyValue.add(node.getProperty(id));
}
myOut.writeShort(propertyInfo.size());
for (int i = 0, x = propertyInfo.size(); i < x; i++) {
myOut.writeShort(propertyInfo.get(i).getIntIndex());
myOut.writeString(propertyValue.get(i));
}
}
}