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/*
 * Copyright 2016 Carlos Ballesteros Velasco
 *
 * 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 jtransc.internal;

import java.util.List;
import java.util.ListIterator;

public class GenericListIterator implements ListIterator {
    private List list;
    private int index = 0;

    public GenericListIterator(List list, int index) {
        this.list = list;
        this.index = index;
    }

    public boolean hasNext() {
        return index < list.size();
    }

    public T next() {
        return list.get(index++);
    }

    @Override
    public boolean hasPrevious() {
        return index > 0;
    }

    @Override
    public T previous() {
        return list.get(index - 1);
    }

    @Override
    public int nextIndex() {
        return index + 1;
    }

    @Override
    public int previousIndex() {
        return index - 1;
    }

    public void remove() {
        this.list.remove(index);
    }

    @Override
    public void set(T t) {
        this.list.set(index, t);
    }

    @Override
    public void add(T t) {
        this.list.add(index, t);
    }
}