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/generated_message_bases.h>
32
33 #include <google/protobuf/io/coded_stream.h>
34 #include <google/protobuf/io/zero_copy_stream_impl.h>
35 #include <google/protobuf/parse_context.h>
36 #include <google/protobuf/unknown_field_set.h>
37 #include <google/protobuf/wire_format.h>
38 #include <google/protobuf/wire_format_lite.h>
39
40 // Must be last:
41 #include <google/protobuf/port_def.inc>
42
43 namespace google {
44 namespace protobuf {
45 namespace internal {
46
47 // =============================================================================
48 // ZeroFieldsBase
49
Clear()50 void ZeroFieldsBase::Clear() {
51 _internal_metadata_.Clear<UnknownFieldSet>(); //
52 }
53
~ZeroFieldsBase()54 ZeroFieldsBase::~ZeroFieldsBase() {
55 (void)_internal_metadata_.DeleteReturnArena<UnknownFieldSet>();
56 }
57
ByteSizeLong() const58 size_t ZeroFieldsBase::ByteSizeLong() const {
59 return MaybeComputeUnknownFieldsSize(0, &_cached_size_);
60 }
61
_InternalParse(const char * ptr,internal::ParseContext * ctx)62 const char* ZeroFieldsBase::_InternalParse(const char* ptr,
63 internal::ParseContext* ctx) {
64 #define CHK_(x) \
65 if (PROTOBUF_PREDICT_FALSE(!(x))) { \
66 goto failure; \
67 }
68
69 while (!ctx->Done(&ptr)) {
70 uint32_t tag;
71 ptr = internal::ReadTag(ptr, &tag);
72 if ((tag == 0) || ((tag & 7) == 4)) {
73 CHK_(ptr);
74 ctx->SetLastTag(tag);
75 goto message_done;
76 }
77 ptr = UnknownFieldParse(
78 tag, _internal_metadata_.mutable_unknown_fields<UnknownFieldSet>(), ptr,
79 ctx);
80 CHK_(ptr);
81 } // while
82 message_done:
83 return ptr;
84 failure:
85 ptr = nullptr;
86 goto message_done;
87 #undef CHK_
88 }
89
_InternalSerialize(::uint8_t * target,io::EpsCopyOutputStream * stream) const90 ::uint8_t* ZeroFieldsBase::_InternalSerialize(
91 ::uint8_t* target, io::EpsCopyOutputStream* stream) const {
92 if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
93 target = internal::WireFormat::InternalSerializeUnknownFieldsToArray(
94 _internal_metadata_.unknown_fields<UnknownFieldSet>(
95 UnknownFieldSet::default_instance),
96 target, stream);
97 }
98 return target;
99 }
100
MergeImpl(Message & to_param,const Message & from_param)101 void ZeroFieldsBase::MergeImpl(Message& to_param, const Message& from_param) {
102 auto* to = static_cast<ZeroFieldsBase*>(&to_param);
103 const auto* from = static_cast<const ZeroFieldsBase*>(&from_param);
104 GOOGLE_DCHECK_NE(from, to);
105 to->_internal_metadata_.MergeFrom<UnknownFieldSet>(from->_internal_metadata_);
106 }
107
CopyImpl(Message & to_param,const Message & from_param)108 void ZeroFieldsBase::CopyImpl(Message& to_param, const Message& from_param) {
109 auto* to = static_cast<ZeroFieldsBase*>(&to_param);
110 const auto* from = static_cast<const ZeroFieldsBase*>(&from_param);
111 if (from == to) return;
112 to->_internal_metadata_.Clear<UnknownFieldSet>();
113 to->_internal_metadata_.MergeFrom<UnknownFieldSet>(from->_internal_metadata_);
114 }
115
InternalSwap(ZeroFieldsBase * other)116 void ZeroFieldsBase::InternalSwap(ZeroFieldsBase* other) {
117 _internal_metadata_.Swap<UnknownFieldSet>(&other->_internal_metadata_);
118 }
119
120 } // namespace internal
121 } // namespace protobuf
122 } // namespace google
123
124 #include <google/protobuf/port_undef.inc>
125