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/io/zero_copy_stream_impl_lite.h>
32#include <google/protobuf/stubs/strutil.h>
33#include <google/protobuf/any.h>
34#include <google/protobuf/arenastring.h>
35#include <google/protobuf/generated_message_util.h>
36
37namespace google {
38namespace protobuf {
39namespace internal {
40
41std::string GetTypeUrl(StringPiece message_name,
42 StringPiece type_url_prefix) {
43 if (!type_url_prefix.empty() &&
44 type_url_prefix[type_url_prefix.size() - 1] == '/') {
45 return StrCat(a: type_url_prefix, b: message_name);
46 } else {
47 return StrCat(a: type_url_prefix, b: "/", c: message_name);
48 }
49}
50
51const char kAnyFullTypeName[] = "google.protobuf.Any";
52const char kTypeGoogleApisComPrefix[] = "type.googleapis.com/";
53const char kTypeGoogleProdComPrefix[] = "type.googleprod.com/";
54
55bool AnyMetadata::InternalPackFrom(Arena* arena, const MessageLite& message,
56 StringPiece type_url_prefix,
57 StringPiece type_name) {
58 type_url_->Set(value: GetTypeUrl(message_name: type_name, type_url_prefix), arena);
59 return message.SerializeToString(output: value_->Mutable(arena));
60}
61
62bool AnyMetadata::InternalUnpackTo(StringPiece type_name,
63 MessageLite* message) const {
64 if (!InternalIs(type_name)) {
65 return false;
66 }
67 return message->ParseFromString(data: value_->Get());
68}
69
70bool AnyMetadata::InternalIs(StringPiece type_name) const {
71 StringPiece type_url = type_url_->Get();
72 return type_url.size() >= type_name.size() + 1 &&
73 type_url[type_url.size() - type_name.size() - 1] == '/' &&
74 HasSuffixString(str: type_url, suffix: type_name);
75}
76
77bool ParseAnyTypeUrl(StringPiece type_url, std::string* url_prefix,
78 std::string* full_type_name) {
79 size_t pos = type_url.find_last_of(c: '/');
80 if (pos == std::string::npos || pos + 1 == type_url.size()) {
81 return false;
82 }
83 if (url_prefix) {
84 *url_prefix = std::string(type_url.substr(pos: 0, n: pos + 1));
85 }
86 *full_type_name = std::string(type_url.substr(pos: pos + 1));
87 return true;
88}
89
90bool ParseAnyTypeUrl(StringPiece type_url, std::string* full_type_name) {
91 return ParseAnyTypeUrl(type_url, url_prefix: nullptr, full_type_name);
92}
93
94} // namespace internal
95} // namespace protobuf
96} // namespace google
97