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/inlined_string_field.h> |
32 | |
33 | #include <google/protobuf/arena.h> |
34 | #include <google/protobuf/arenastring.h> |
35 | #include <google/protobuf/generated_message_util.h> |
36 | #include <google/protobuf/message_lite.h> |
37 | #include <google/protobuf/parse_context.h> |
38 | |
39 | // clang-format off |
40 | #include <google/protobuf/port_def.inc> |
41 | // clang-format on |
42 | |
43 | namespace google { |
44 | namespace protobuf { |
45 | namespace internal { |
46 | |
47 | |
48 | std::string* InlinedStringField::Mutable(const LazyString& /*default_value*/, |
49 | Arena* arena, bool donated, |
50 | uint32_t* donating_states, |
51 | uint32_t mask, MessageLite* msg) { |
52 | if (arena == nullptr || !donated) { |
53 | return UnsafeMutablePointer(); |
54 | } |
55 | return MutableSlow(arena, donated, donating_states, mask, msg); |
56 | } |
57 | |
58 | std::string* InlinedStringField::Mutable(Arena* arena, bool donated, |
59 | uint32_t* donating_states, |
60 | uint32_t mask, MessageLite* msg) { |
61 | if (arena == nullptr || !donated) { |
62 | return UnsafeMutablePointer(); |
63 | } |
64 | return MutableSlow(arena, donated, donating_states, mask, msg); |
65 | } |
66 | |
67 | std::string* InlinedStringField::MutableSlow(::google::protobuf::Arena* arena, |
68 | bool donated, |
69 | uint32_t* donating_states, |
70 | uint32_t mask, MessageLite* msg) { |
71 | (void)mask; |
72 | (void)msg; |
73 | return UnsafeMutablePointer(); |
74 | } |
75 | |
76 | void InlinedStringField::SetAllocated(const std::string* default_value, |
77 | std::string* value, Arena* arena, |
78 | bool donated, uint32_t* donating_states, |
79 | uint32_t mask, MessageLite* msg) { |
80 | (void)mask; |
81 | (void)msg; |
82 | SetAllocatedNoArena(default_value, value); |
83 | } |
84 | |
85 | void InlinedStringField::Set(std::string&& value, Arena* arena, bool donated, |
86 | uint32_t* donating_states, uint32_t mask, |
87 | MessageLite* msg) { |
88 | (void)donating_states; |
89 | (void)mask; |
90 | (void)msg; |
91 | SetNoArena(std::move(value)); |
92 | } |
93 | |
94 | std::string* InlinedStringField::Release() { |
95 | auto* released = new std::string(std::move(*get_mutable())); |
96 | get_mutable()->clear(); |
97 | return released; |
98 | } |
99 | |
100 | std::string* InlinedStringField::Release(Arena* arena, bool donated) { |
101 | // We can not steal donated arena strings. |
102 | std::string* released = (arena != nullptr && donated) |
103 | ? new std::string(*get_mutable()) |
104 | : new std::string(std::move(*get_mutable())); |
105 | get_mutable()->clear(); |
106 | return released; |
107 | } |
108 | |
109 | void InlinedStringField::ClearToDefault(const LazyString& default_value, |
110 | Arena* arena, bool donated) { |
111 | (void)arena; |
112 | get_mutable()->assign(str: default_value.get()); |
113 | } |
114 | |
115 | |
116 | } // namespace internal |
117 | } // namespace protobuf |
118 | } // namespace google |
119 | |