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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
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*
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* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
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* Other names may be trademarks of their respective owners.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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*
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* Contributor(s):
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*
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
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*
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* If you wish your version of this file to be governed by only the CDDL
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* or only the GPL Version 2, indicate your decision by adding
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* single choice of license, a recipient has the option to distribute
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* Version 2 license, then the option applies only if the new code is
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* made subject to such option by the copyright holder.
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*/
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package org.netbeans.html.boot.impl;
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/**
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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abstract class JsCallback {
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final String parse(String body) {
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StringBuilder sb = new StringBuilder();
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int pos = 0;
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for (;;) {
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int next = body.indexOf(".@", pos);
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if (next == -1) {
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sb.append(body.substring(pos));
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body = sb.toString();
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break;
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}
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int ident = next;
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while (ident > 0) {
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if (!Character.isJavaIdentifierPart(body.charAt(--ident))) {
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ident++;
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break;
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}
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}
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String refId = body.substring(ident, next);
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sb.append(body.substring(pos, ident));
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int sigBeg = body.indexOf('(', next);
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int sigEnd = body.indexOf(')', sigBeg);
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int colon4 = body.indexOf("::", next);
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if (sigBeg == -1 || sigEnd == -1 || colon4 == -1) {
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throw new IllegalStateException(
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"Wrong format of instance callback. "
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+ "Should be: 'inst.@pkg.Class::method(Ljava/lang/Object;)(param)':\n"
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+ body
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);
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}
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String fqn = body.substring(next + 2, colon4);
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String method = body.substring(colon4 + 2, sigBeg);
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String params = body.substring(sigBeg, sigEnd + 1);
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int paramBeg = body.indexOf('(', sigEnd + 1);
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if (paramBeg == -1) {
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throw new IllegalStateException(
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"Wrong format of instance callback. "
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+ "Should be: 'inst.@pkg.Class::method(Ljava/lang/Object;)(param)':\n"
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+ body
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);
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}
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sb.append(callMethod(refId, fqn, method, params));
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if (body.charAt(paramBeg + 1) != (')')) {
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sb.append(",");
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}
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pos = paramBeg + 1;
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}
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pos = 0;
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sb = null;
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for (;;) {
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int next = body.indexOf("@", pos);
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if (next == -1) {
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if (sb == null) {
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return body;
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}
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sb.append(body.substring(pos));
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return sb.toString();
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}
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if (sb == null) {
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sb = new StringBuilder();
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}
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sb.append(body.substring(pos, next));
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int sigBeg = body.indexOf('(', next);
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int sigEnd = body.indexOf(')', sigBeg);
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int colon4 = body.indexOf("::", next);
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if (sigBeg == -1 || sigEnd == -1 || colon4 == -1) {
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throw new IllegalStateException(
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"Wrong format of static callback. "
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+ "Should be: '@pkg.Class::staticMethod(Ljava/lang/Object;)(param)':\n"
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+ body
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);
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}
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String fqn = body.substring(next + 1, colon4);
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String method = body.substring(colon4 + 2, sigBeg);
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String params = body.substring(sigBeg, sigEnd + 1);
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int paramBeg = body.indexOf('(', sigEnd + 1);
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sb.append(callMethod(null, fqn, method, params));
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pos = paramBeg + 1;
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}
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}
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protected abstract CharSequence callMethod(
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String ident, String fqn, String method, String params
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);
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static String mangle(String fqn, String method, String params) {
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if (params.startsWith("(")) {
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params = params.substring(1);
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}
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if (params.endsWith(")")) {
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params = params.substring(0, params.length() - 1);
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}
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return
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replace(fqn) + "$" + replace(method) + "$" + replace(params);
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}
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private static String replace(String orig) {
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return orig.replace("_", "_1").
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replace(";", "_2").
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replace("[", "_3").
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replace('.', '_').replace('/', '_');
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}
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}
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