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
37 namespace google {
38 namespace protobuf {
39 namespace internal {
40
GetTypeUrl(StringPiece message_name,StringPiece type_url_prefix)41 std::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(type_url_prefix, message_name);
46 } else {
47 return StrCat(type_url_prefix, "/", message_name);
48 }
49 }
50
51 const char kAnyFullTypeName[] = "google.protobuf.Any";
52 const char kTypeGoogleApisComPrefix[] = "type.googleapis.com/";
53 const char kTypeGoogleProdComPrefix[] = "type.googleprod.com/";
54
InternalPackFrom(Arena * arena,const MessageLite & message,StringPiece type_url_prefix,StringPiece type_name)55 bool AnyMetadata::InternalPackFrom(Arena* arena, const MessageLite& message,
56 StringPiece type_url_prefix,
57 StringPiece type_name) {
58 type_url_->Set(GetTypeUrl(type_name, type_url_prefix), arena);
59 return message.SerializeToString(value_->Mutable(arena));
60 }
61
InternalUnpackTo(StringPiece type_name,MessageLite * message) const62 bool AnyMetadata::InternalUnpackTo(StringPiece type_name,
63 MessageLite* message) const {
64 if (!InternalIs(type_name)) {
65 return false;
66 }
67 return message->ParseFromString(value_->Get());
68 }
69
InternalIs(StringPiece type_name) const70 bool 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(type_url, type_name);
75 }
76
ParseAnyTypeUrl(StringPiece type_url,std::string * url_prefix,std::string * full_type_name)77 bool ParseAnyTypeUrl(StringPiece type_url, std::string* url_prefix,
78 std::string* full_type_name) {
79 size_t pos = type_url.find_last_of('/');
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(0, pos + 1));
85 }
86 *full_type_name = std::string(type_url.substr(pos + 1));
87 return true;
88 }
89
ParseAnyTypeUrl(StringPiece type_url,std::string * full_type_name)90 bool ParseAnyTypeUrl(StringPiece type_url, std::string* full_type_name) {
91 return ParseAnyTypeUrl(type_url, nullptr, full_type_name);
92 }
93
94 } // namespace internal
95 } // namespace protobuf
96 } // namespace google
97