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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <generated_message_table_driven.h>
#include <type_traits>
#include <stubs/casts.h>
#include <generated_message_table_driven_lite.h>
#include <io/zero_copy_stream_impl_lite.h>
#include <repeated_field.h>
#include <wire_format.h>
#include <wire_format_lite.h>
namespace google {
namespace protobuf {
namespace internal {
namespace {
UnknownFieldSet* MutableUnknownFields(MessageLite* msg, int64_t arena_offset) {
return Raw<InternalMetadata>(msg, arena_offset)
->mutable_unknown_fields<UnknownFieldSet>();
}
struct UnknownFieldHandler {
// TODO(mvels): consider renaming UnknownFieldHandler to (TableDrivenTraits?),
// and conflating InternalMetaData into it, simplifying the template.
static constexpr bool IsLite() { return false; }
static bool Skip(MessageLite* msg, const ParseTable& table,
io::CodedInputStream* input, int tag) {
GOOGLE_DCHECK(table.unknown_field_set);
return WireFormat::SkipField(input, tag,
MutableUnknownFields(msg, table.arena_offset));
}
static void Varint(MessageLite* msg, const ParseTable& table, int tag,
int value) {
GOOGLE_DCHECK(table.unknown_field_set);
MutableUnknownFields(msg, table.arena_offset)
->AddVarint(WireFormatLite::GetTagFieldNumber(tag), value);
}
static bool ParseExtension(MessageLite* msg, const ParseTable& table,
io::CodedInputStream* input, int tag) {
ExtensionSet* extensions = GetExtensionSet(msg, table.extension_offset);
if (extensions == nullptr) {
return false;
}
const Message* prototype =
down_cast<const Message*>(table.default_instance());
GOOGLE_DCHECK(prototype != nullptr);
GOOGLE_DCHECK(table.unknown_field_set);
UnknownFieldSet* unknown_fields =
MutableUnknownFields(msg, table.arena_offset);
return extensions->ParseField(tag, input, prototype, unknown_fields);
}
};
} // namespace
bool MergePartialFromCodedStream(MessageLite* msg, const ParseTable& table,
io::CodedInputStream* input) {
return MergePartialFromCodedStreamImpl<UnknownFieldHandler>(msg, table,
input);
}
} // namespace internal
} // namespace protobuf
} // namespace google
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