boot/src/main/java/org/apidesign/html/boot/impl/JsCallback.java
branchnetbeans
changeset 362 92fb71afdc0e
parent 361 700087d2a5d3
child 364 2739565c7a45
     1.1 --- a/boot/src/main/java/org/apidesign/html/boot/impl/JsCallback.java	Mon Dec 16 15:48:09 2013 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,160 +0,0 @@
     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.apidesign.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 -}