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/**
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* Back 2 Browser Bytecode Translator
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.javap;
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import org.apidesign.bck2brwsr.core.JavaScriptBody;
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import org.apidesign.bck2brwsr.core.JavaScriptPrototype;
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/** A JavaScript ready replacement for java.util.Vector
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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@JavaScriptPrototype(prototype = "new Array" )
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final class Vector {
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private Object[] arr;
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Vector() {
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}
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Vector(int i) {
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}
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void add(Object objectType) {
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addElement(objectType);
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}
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@JavaScriptBody(args = { "obj" }, body =
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"this.push(obj);"
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)
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void addElement(Object obj) {
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final int s = size();
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setSize(s + 1);
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setElementAt(obj, s);
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}
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@JavaScriptBody(args = { }, body =
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"return this.length;"
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)
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int size() {
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return arr == null ? 0 : arr.length;
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}
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@JavaScriptBody(args = { "newArr" }, body =
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"for (var i = 0; i < this.length; i++) {\n"
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+ " newArr[i] = this[i];\n"
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+ "}\n")
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void copyInto(Object[] newArr) {
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if (arr == null) {
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return;
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}
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int min = Math.min(newArr.length, arr.length);
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for (int i = 0; i < min; i++) {
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newArr[i] = arr[i];
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}
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}
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@JavaScriptBody(args = { "index" }, body =
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"return this[index];"
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)
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Object elementAt(int index) {
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return arr[index];
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}
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private void setSize(int len) {
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Object[] newArr = new Object[len];
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copyInto(newArr);
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arr = newArr;
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}
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@JavaScriptBody(args = { "val", "index" }, body =
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"this[index] = val;"
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)
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void setElementAt(Object val, int index) {
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arr[index] = val;
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}
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}
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