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/io/zero_copy_stream_impl_lite.h>
34 #include <google/protobuf/arenastring.h>
35 #include <google/protobuf/generated_message_util.h>
36 #include <google/protobuf/stubs/strutil.h>
37
38 namespace google {
39 namespace protobuf {
40 namespace internal {
41
GetTypeUrl(StringPiece message_name,StringPiece type_url_prefix)42 std::string GetTypeUrl(StringPiece message_name,
43 StringPiece type_url_prefix) {
44 if (!type_url_prefix.empty() &&
45 type_url_prefix[type_url_prefix.size() - 1] == '/') {
46 return StrCat(type_url_prefix, message_name);
47 } else {
48 return StrCat(type_url_prefix, "/", message_name);
49 }
50 }
51
52 const char kAnyFullTypeName[] = "google.protobuf.Any";
53 const char kTypeGoogleApisComPrefix[] = "type.googleapis.com/";
54 const char kTypeGoogleProdComPrefix[] = "type.googleprod.com/";
55
InternalPackFrom(const MessageLite & message,StringPiece type_url_prefix,StringPiece type_name)56 bool AnyMetadata::InternalPackFrom(const MessageLite& message,
57 StringPiece type_url_prefix,
58 StringPiece type_name) {
59 type_url_->Set(&::google::protobuf::internal::GetEmptyString(),
60 GetTypeUrl(type_name, type_url_prefix), nullptr);
61 return message.SerializeToString(
62 value_->Mutable(ArenaStringPtr::EmptyDefault{}, nullptr));
63 }
64
InternalUnpackTo(StringPiece type_name,MessageLite * message) const65 bool AnyMetadata::InternalUnpackTo(StringPiece type_name,
66 MessageLite* message) const {
67 if (!InternalIs(type_name)) {
68 return false;
69 }
70 return message->ParseFromString(value_->Get());
71 }
72
InternalIs(StringPiece type_name) const73 bool AnyMetadata::InternalIs(StringPiece type_name) const {
74 StringPiece type_url = type_url_->Get();
75 return type_url.size() >= type_name.size() + 1 &&
76 type_url[type_url.size() - type_name.size() - 1] == '/' &&
77 HasSuffixString(type_url, type_name);
78 }
79
ParseAnyTypeUrl(StringPiece type_url,std::string * url_prefix,std::string * full_type_name)80 bool ParseAnyTypeUrl(StringPiece type_url, std::string* url_prefix,
81 std::string* full_type_name) {
82 size_t pos = type_url.find_last_of('/');
83 if (pos == std::string::npos || pos + 1 == type_url.size()) {
84 return false;
85 }
86 if (url_prefix) {
87 *url_prefix = std::string(type_url.substr(0, pos + 1));
88 }
89 *full_type_name = std::string(type_url.substr(pos + 1));
90 return true;
91 }
92
ParseAnyTypeUrl(StringPiece type_url,std::string * full_type_name)93 bool ParseAnyTypeUrl(StringPiece type_url, std::string* full_type_name) {
94 return ParseAnyTypeUrl(type_url, nullptr, full_type_name);
95 }
96
97 } // namespace internal
98 } // namespace protobuf
99 } // namespace google
100