1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/boot/src/main/java/org/netbeans/html/boot/impl/JsCallback.java Mon Dec 16 16:59:43 2013 +0100
1.3 @@ -0,0 +1,160 @@
1.4 +/**
1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 + *
1.7 + * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
1.8 + *
1.9 + * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
1.10 + * Other names may be trademarks of their respective owners.
1.11 + *
1.12 + * The contents of this file are subject to the terms of either the GNU
1.13 + * General Public License Version 2 only ("GPL") or the Common
1.14 + * Development and Distribution License("CDDL") (collectively, the
1.15 + * "License"). You may not use this file except in compliance with the
1.16 + * License. You can obtain a copy of the License at
1.17 + * http://www.netbeans.org/cddl-gplv2.html
1.18 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.19 + * specific language governing permissions and limitations under the
1.20 + * License. When distributing the software, include this License Header
1.21 + * Notice in each file and include the License file at
1.22 + * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
1.23 + * particular file as subject to the "Classpath" exception as provided
1.24 + * by Oracle in the GPL Version 2 section of the License file that
1.25 + * accompanied this code. If applicable, add the following below the
1.26 + * License Header, with the fields enclosed by brackets [] replaced by
1.27 + * your own identifying information:
1.28 + * "Portions Copyrighted [year] [name of copyright owner]"
1.29 + *
1.30 + * Contributor(s):
1.31 + *
1.32 + * The Original Software is NetBeans. The Initial Developer of the Original
1.33 + * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
1.34 + *
1.35 + * If you wish your version of this file to be governed by only the CDDL
1.36 + * or only the GPL Version 2, indicate your decision by adding
1.37 + * "[Contributor] elects to include this software in this distribution
1.38 + * under the [CDDL or GPL Version 2] license." If you do not indicate a
1.39 + * single choice of license, a recipient has the option to distribute
1.40 + * your version of this file under either the CDDL, the GPL Version 2 or
1.41 + * to extend the choice of license to its licensees as provided above.
1.42 + * However, if you add GPL Version 2 code and therefore, elected the GPL
1.43 + * Version 2 license, then the option applies only if the new code is
1.44 + * made subject to such option by the copyright holder.
1.45 + */
1.46 +package org.netbeans.html.boot.impl;
1.47 +
1.48 +
1.49 +/**
1.50 + *
1.51 + * @author Jaroslav Tulach <jtulach@netbeans.org>
1.52 + */
1.53 +abstract class JsCallback {
1.54 + final String parse(String body) {
1.55 + StringBuilder sb = new StringBuilder();
1.56 + int pos = 0;
1.57 + for (;;) {
1.58 + int next = body.indexOf(".@", pos);
1.59 + if (next == -1) {
1.60 + sb.append(body.substring(pos));
1.61 + body = sb.toString();
1.62 + break;
1.63 + }
1.64 + int ident = next;
1.65 + while (ident > 0) {
1.66 + if (!Character.isJavaIdentifierPart(body.charAt(--ident))) {
1.67 + ident++;
1.68 + break;
1.69 + }
1.70 + }
1.71 + String refId = body.substring(ident, next);
1.72 +
1.73 + sb.append(body.substring(pos, ident));
1.74 +
1.75 + int sigBeg = body.indexOf('(', next);
1.76 + int sigEnd = body.indexOf(')', sigBeg);
1.77 + int colon4 = body.indexOf("::", next);
1.78 + if (sigBeg == -1 || sigEnd == -1 || colon4 == -1) {
1.79 + throw new IllegalStateException(
1.80 + "Wrong format of instance callback. "
1.81 + + "Should be: 'inst.@pkg.Class::method(Ljava/lang/Object;)(param)':\n"
1.82 + + body
1.83 + );
1.84 + }
1.85 + String fqn = body.substring(next + 2, colon4);
1.86 + String method = body.substring(colon4 + 2, sigBeg);
1.87 + String params = body.substring(sigBeg, sigEnd + 1);
1.88 +
1.89 + int paramBeg = body.indexOf('(', sigEnd + 1);
1.90 + if (paramBeg == -1) {
1.91 + throw new IllegalStateException(
1.92 + "Wrong format of instance callback. "
1.93 + + "Should be: 'inst.@pkg.Class::method(Ljava/lang/Object;)(param)':\n"
1.94 + + body
1.95 + );
1.96 + }
1.97 +
1.98 + sb.append(callMethod(refId, fqn, method, params));
1.99 + if (body.charAt(paramBeg + 1) != (')')) {
1.100 + sb.append(",");
1.101 + }
1.102 + pos = paramBeg + 1;
1.103 + }
1.104 + pos = 0;
1.105 + sb = null;
1.106 + for (;;) {
1.107 + int next = body.indexOf("@", pos);
1.108 + if (next == -1) {
1.109 + if (sb == null) {
1.110 + return body;
1.111 + }
1.112 + sb.append(body.substring(pos));
1.113 + return sb.toString();
1.114 + }
1.115 + if (sb == null) {
1.116 + sb = new StringBuilder();
1.117 + }
1.118 +
1.119 + sb.append(body.substring(pos, next));
1.120 +
1.121 + int sigBeg = body.indexOf('(', next);
1.122 + int sigEnd = body.indexOf(')', sigBeg);
1.123 + int colon4 = body.indexOf("::", next);
1.124 + if (sigBeg == -1 || sigEnd == -1 || colon4 == -1) {
1.125 + throw new IllegalStateException(
1.126 + "Wrong format of static callback. "
1.127 + + "Should be: '@pkg.Class::staticMethod(Ljava/lang/Object;)(param)':\n"
1.128 + + body
1.129 + );
1.130 + }
1.131 + String fqn = body.substring(next + 1, colon4);
1.132 + String method = body.substring(colon4 + 2, sigBeg);
1.133 + String params = body.substring(sigBeg, sigEnd + 1);
1.134 +
1.135 + int paramBeg = body.indexOf('(', sigEnd + 1);
1.136 +
1.137 + sb.append(callMethod(null, fqn, method, params));
1.138 + pos = paramBeg + 1;
1.139 + }
1.140 + }
1.141 +
1.142 + protected abstract CharSequence callMethod(
1.143 + String ident, String fqn, String method, String params
1.144 + );
1.145 +
1.146 + static String mangle(String fqn, String method, String params) {
1.147 + if (params.startsWith("(")) {
1.148 + params = params.substring(1);
1.149 + }
1.150 + if (params.endsWith(")")) {
1.151 + params = params.substring(0, params.length() - 1);
1.152 + }
1.153 + return
1.154 + replace(fqn) + "$" + replace(method) + "$" + replace(params);
1.155 + }
1.156 +
1.157 + private static String replace(String orig) {
1.158 + return orig.replace("_", "_1").
1.159 + replace(";", "_2").
1.160 + replace("[", "_3").
1.161 + replace('.', '_').replace('/', '_');
1.162 + }
1.163 +}