1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc. All rights reserved.
3// https://developers.google.com/protocol-buffers/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
9// * Redistributions of source code must retain the above copyright
10// notice, this list of conditions and the following disclaimer.
11// * Redistributions in binary form must reproduce the above
12// copyright notice, this list of conditions and the following disclaimer
13// in the documentation and/or other materials provided with the
14// distribution.
15// * Neither the name of Google Inc. nor the names of its
16// contributors may be used to endorse or promote products derived from
17// this software without specific prior written permission.
18//
19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31#include <google/protobuf/any.h>
32
33#include <google/protobuf/arenastring.h>
34#include <google/protobuf/descriptor.h>
35#include <google/protobuf/generated_message_util.h>
36#include <google/protobuf/message.h>
37
38// Must be included last.
39#include <google/protobuf/port_def.inc>
40
41namespace google {
42namespace protobuf {
43namespace internal {
44
45bool AnyMetadata::PackFrom(Arena* arena, const Message& message) {
46 return PackFrom(arena, message, type_url_prefix: kTypeGoogleApisComPrefix);
47}
48
49bool AnyMetadata::PackFrom(Arena* arena, const Message& message,
50 StringPiece type_url_prefix) {
51 type_url_->Set(
52 value: GetTypeUrl(message_name: message.GetDescriptor()->full_name(), type_url_prefix), arena);
53 return message.SerializeToString(output: value_->Mutable(arena));
54}
55
56bool AnyMetadata::UnpackTo(Message* message) const {
57 if (!InternalIs(type_name: message->GetDescriptor()->full_name())) {
58 return false;
59 }
60 return message->ParseFromString(data: value_->Get());
61}
62
63bool GetAnyFieldDescriptors(const Message& message,
64 const FieldDescriptor** type_url_field,
65 const FieldDescriptor** value_field) {
66 const Descriptor* descriptor = message.GetDescriptor();
67 if (descriptor->full_name() != kAnyFullTypeName) {
68 return false;
69 }
70 *type_url_field = descriptor->FindFieldByNumber(number: 1);
71 *value_field = descriptor->FindFieldByNumber(number: 2);
72 return (*type_url_field != nullptr &&
73 (*type_url_field)->type() == FieldDescriptor::TYPE_STRING &&
74 *value_field != nullptr &&
75 (*value_field)->type() == FieldDescriptor::TYPE_BYTES);
76}
77
78} // namespace internal
79} // namespace protobuf
80} // namespace google
81
82#include <google/protobuf/port_undef.inc>
83