com.github.gumtreediff.actions.AllNodesClassifier Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of core Show documentation
GumTree core module.
The newest version!
/*
 * This file is part of GumTree.
 *
 * GumTree is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GumTree is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GumTree.  If not, see .
 *
 * Copyright 2011-2015 Jean-Rémy Falleri 
 * Copyright 2011-2015 Floréal Morandat 
 */

package com.github.gumtreediff.actions;

import com.github.gumtreediff.actions.model.*;
import com.github.gumtreediff.actions.model.Delete;
import com.github.gumtreediff.actions.model.Move;
import com.github.gumtreediff.actions.model.Update;
import com.github.gumtreediff.matchers.MappingStore;

/**
 * Partition all moved, inserted, updated or deleted nodes.
 */
public class AllNodesClassifier extends AbstractITreeClassifier {
    public AllNodesClassifier(Diff diff) {
        super(diff);
    }

    @Override
    public void classify() {
        for (Action a: diff.editScript) {
            if (a instanceof Delete)
                srcDelTrees.add(a.getNode());
            else if (a instanceof TreeDelete) {
                srcDelTrees.add(a.getNode());
                srcDelTrees.addAll(a.getNode().getDescendants());
            }
            else if (a instanceof Insert)
                dstAddTrees.add(a.getNode());
            else if (a instanceof TreeInsert) {
                dstAddTrees.add(a.getNode());
                dstAddTrees.addAll(a.getNode().getDescendants());
            }
            else if (a instanceof Update) {
                srcUpdTrees.add(a.getNode());
                dstUpdTrees.add(diff.mappings.getDstForSrc(a.getNode()));
            }
            else if (a instanceof Move) {
                srcMvTrees.add(a.getNode());
                srcMvTrees.addAll(a.getNode().getDescendants());
                dstMvTrees.add(diff.mappings.getDstForSrc(a.getNode()));
                dstMvTrees.addAll(diff.mappings.getDstForSrc(a.getNode()).getDescendants());
            }
        }
    }
}