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 #include <google/protobuf/port_def.inc>
39
40 namespace google {
41 namespace protobuf {
42 namespace internal {
43
PackFrom(const Message & message)44 void AnyMetadata::PackFrom(const Message& message) {
45 PackFrom(message, kTypeGoogleApisComPrefix);
46 }
47
PackFrom(const Message & message,const std::string & type_url_prefix)48 void AnyMetadata::PackFrom(const Message& message,
49 const std::string& type_url_prefix) {
50 type_url_->SetNoArena(
51 &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyString(),
52 GetTypeUrl(message.GetDescriptor()->full_name(), type_url_prefix));
53 message.SerializeToString(value_->MutableNoArena(
54 &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited()));
55 }
56
UnpackTo(Message * message) const57 bool AnyMetadata::UnpackTo(Message* message) const {
58 if (!InternalIs(message->GetDescriptor()->full_name())) {
59 return false;
60 }
61 return message->ParseFromString(value_->GetNoArena());
62 }
63
GetAnyFieldDescriptors(const Message & message,const FieldDescriptor ** type_url_field,const FieldDescriptor ** value_field)64 bool GetAnyFieldDescriptors(const Message& message,
65 const FieldDescriptor** type_url_field,
66 const FieldDescriptor** value_field) {
67 const Descriptor* descriptor = message.GetDescriptor();
68 if (descriptor->full_name() != kAnyFullTypeName) {
69 return false;
70 }
71 *type_url_field = descriptor->FindFieldByNumber(1);
72 *value_field = descriptor->FindFieldByNumber(2);
73 return (*type_url_field != NULL &&
74 (*type_url_field)->type() == FieldDescriptor::TYPE_STRING &&
75 *value_field != NULL &&
76 (*value_field)->type() == FieldDescriptor::TYPE_BYTES);
77 }
78
79 } // namespace internal
80 } // namespace protobuf
81 } // namespace google
82