1/*
2 * Protocol Buffers - Google's data interchange format
3 * Copyright 2014 Google Inc.  All rights reserved.
4 * https://developers.google.com/protocol-buffers/
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 *     * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *     * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following disclaimer
14 * in the documentation and/or other materials provided with the
15 * distribution.
16 *     * Neither the name of Google Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33package com.google.protobuf.jruby;
34
35import org.jruby.Ruby;
36import org.jruby.RubyModule;
37import org.jruby.anno.JRubyMethod;
38import org.jruby.anno.JRubyModule;
39import org.jruby.runtime.ThreadContext;
40import org.jruby.runtime.builtin.IRubyObject;
41
42@JRubyModule(name = "Protobuf")
43public class RubyProtobuf {
44
45    public static void createProtobuf(Ruby runtime) {
46        RubyModule mGoogle = runtime.getModule("Google");
47        RubyModule mProtobuf = mGoogle.defineModuleUnder("Protobuf");
48        mProtobuf.defineAnnotatedMethods(RubyProtobuf.class);
49    }
50
51    /*
52     * call-seq:
53     *     Google::Protobuf.deep_copy(obj) => copy_of_obj
54     *
55     * Performs a deep copy of either a RepeatedField instance or a message object,
56     * recursively copying its members.
57     */
58    @JRubyMethod(name = "deep_copy", meta = true)
59    public static IRubyObject deepCopy(ThreadContext context, IRubyObject self, IRubyObject message) {
60        if (message instanceof RubyMessage) {
61            return ((RubyMessage) message).deepCopy(context);
62        } else if (message instanceof RubyRepeatedField) {
63            return ((RubyRepeatedField) message).deepCopy(context);
64        } else {
65            return ((RubyMap) message).deepCopy(context);
66        }
67    }
68}
69