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/*
* Copyright 2000-2014 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 org.jetbrains.java.decompiler.util;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
public class VBStyleCollection<E, K> extends ArrayList<E> {
private HashMap<K, Integer> map = new HashMap<K, Integer>();
private ArrayList<K> lstKeys = new ArrayList<K>();
public VBStyleCollection() {
super();
}
public VBStyleCollection(int initialCapacity) {
super(initialCapacity);
lstKeys = new ArrayList<K>(initialCapacity);
map = new HashMap<K, Integer>(initialCapacity);
}
public VBStyleCollection(Collection<E> c) {
super(c);
}
public boolean add(E element) {
lstKeys.add(null);
super.add(element);
return true;
}
public boolean remove(Object element) { // TODO: error on void remove(E element)
throw new RuntimeException("not implemented!");
}
public boolean addAll(Collection<? extends E> c) {
for (int i = c.size() - 1; i >= 0; i--) {
lstKeys.add(null);
}
return super.addAll(c);
}
public void addAllWithKey(VBStyleCollection<E, K> c) {
for (int i = 0; i < c.size(); i++) {
addWithKey(c.get(i), c.getKey(i));
}
}
public void addAllWithKey(Collection<E> elements, Collection<K> keys) {
int index = super.size();
for (K key : keys) {
map.put(key, index++);
}
super.addAll(elements);
lstKeys.addAll(keys);
}
public void addWithKey(E element, K key) {
map.put(key, super.size());
super.add(element);
lstKeys.add(key);
}
// TODO: speed up the method
public E putWithKey(E element, K key) {
Integer index = map.get(key);
if (index == null) {
addWithKey(element, key);
}
else {
return super.set(index, element);
}
return null;
}
public void add(int index, E element) {
addToListIndex(index, 1);
lstKeys.add(index, null);
super.add(index, element);
}
public void addWithKeyAndIndex(int index, E element, K key) {
addToListIndex(index, 1);
map.put(key, new Integer(index));
super.add(index, element);
lstKeys.add(index, key);
}
public void removeWithKey(K key) {
int index = map.get(key).intValue();
addToListIndex(index + 1, -1);
super.remove(index);
lstKeys.remove(index);
map.remove(key);
}
public E remove(int index) {
addToListIndex(index + 1, -1);
K obj = lstKeys.get(index);
if (obj != null) {
map.remove(obj);
}
lstKeys.remove(index);
return super.remove(index);
}
public E getWithKey(K key) {
Integer index = map.get(key);
if (index == null) {
return null;
}
return super.get(index.intValue());
}
public int getIndexByKey(K key) {
return map.get(key).intValue();
}
public E getLast() {
return super.get(super.size() - 1);
}
public boolean containsKey(K key) {
return map.containsKey(key);
}
public void clear() {
map.clear();
lstKeys.clear();
super.clear();
}
public VBStyleCollection<E, K> clone() {
VBStyleCollection<E, K> c = new VBStyleCollection<E, K>();
c.addAll(new ArrayList<E>(this));
c.setMap(new HashMap<K, Integer>(map));
c.setLstKeys(new ArrayList<K>(lstKeys));
return c;
}
public void swap(int index1, int index2) {
Collections.swap(this, index1, index2);
Collections.swap(lstKeys, index1, index2);
K key = lstKeys.get(index1);
if (key != null) {
map.put(key, new Integer(index1));
}
key = lstKeys.get(index2);
if (key != null) {
map.put(key, new Integer(index2));
}
}
public HashMap<K, Integer> getMap() {
return map;
}
public void setMap(HashMap<K, Integer> map) {
this.map = map;
}
public K getKey(int index) {
return lstKeys.get(index);
}
public ArrayList<K> getLstKeys() {
return lstKeys;
}
public void setLstKeys(ArrayList<K> lstKeys) {
this.lstKeys = lstKeys;
}
private void addToListIndex(int index, int diff) {
for (int i = lstKeys.size() - 1; i >= index; i--) {
K obj = lstKeys.get(i);
if (obj != null) {
map.put(obj, new Integer(i + diff));
}
}
}
}
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