javaparser-core/src/main/java/com/github/javaparser/printer/concretesyntaxmodel/CsmOrphanCommentsEnding.java

/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2016 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) 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.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser 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.
 */

package com.github.javaparser.printer.concretesyntaxmodel;

import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.comments.Comment;
import com.github.javaparser.printer.SourcePrinter;

import java.util.LinkedList;
import java.util.List;

import static com.github.javaparser.utils.PositionUtils.sortByBeginPosition;

public class CsmOrphanCommentsEnding implements CsmElement {

    @Override
    public void prettyPrint(Node node, SourcePrinter printer) {
        List<Node> everything = new LinkedList<>();
        everything.addAll(node.getChildNodes());
        sortByBeginPosition(everything);
        if (everything.isEmpty()) {
            return;
        }

        int commentsAtEnd = 0;
        boolean findingComments = true;
        while (findingComments && commentsAtEnd < everything.size()) {
            Node last = everything.get(everything.size() - 1 - commentsAtEnd);
            findingComments = (last instanceof Comment);
            if (findingComments) {
                commentsAtEnd++;
            }
        }
        for (int i = 0; i < commentsAtEnd; i++) {
            Comment c = (Comment)everything.get(everything.size() - commentsAtEnd + i);
            CsmComment.process(c, printer);
        }
    }

}