diff options
author | Jisi Liu <jisi.liu@gmail.com> | 2017-07-18 15:38:30 -0700 |
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committer | Jisi Liu <jisi.liu@gmail.com> | 2017-07-18 15:38:30 -0700 |
commit | 09354db1434859a31a3c81abebcc4018d42f2715 (patch) | |
tree | b87c7cdc2255e6c8062ab92b4082665cd698d753 /src/google/protobuf/generated_message_table_driven_lite.cc | |
parent | 9053033a5076f82cf18b823c31f352e95e5bfd8d (diff) |
Merge from Google internal for 3.4 release
Diffstat (limited to 'src/google/protobuf/generated_message_table_driven_lite.cc')
-rw-r--r-- | src/google/protobuf/generated_message_table_driven_lite.cc | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/google/protobuf/generated_message_table_driven_lite.cc b/src/google/protobuf/generated_message_table_driven_lite.cc new file mode 100644 index 00000000..90a50505 --- /dev/null +++ b/src/google/protobuf/generated_message_table_driven_lite.cc @@ -0,0 +1,109 @@ +// 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 <google/protobuf/generated_message_table_driven_lite.h> + +#include <google/protobuf/stubs/type_traits.h> + +#include <google/protobuf/io/zero_copy_stream_impl_lite.h> +#include <google/protobuf/metadata_lite.h> +#include <google/protobuf/repeated_field.h> +#include <google/protobuf/wire_format_lite.h> +#include <google/protobuf/wire_format_lite_inl.h> + +namespace google { +namespace protobuf { +namespace internal { + +namespace { + +string* MutableUnknownFields(MessageLite* msg, int64 arena_offset) { + return Raw<InternalMetadataWithArenaLite>(msg, arena_offset) + ->mutable_unknown_fields(); +} + +struct UnknownFieldHandlerLite { + static bool Skip(MessageLite* msg, const ParseTable& table, + io::CodedInputStream* input, + int tag) { + GOOGLE_DCHECK(!table.unknown_field_set); + ::google::protobuf::io::StringOutputStream unknown_fields_string( + MutableUnknownFields(msg, table.arena_offset)); + ::google::protobuf::io::CodedOutputStream unknown_fields_stream( + &unknown_fields_string, false); + + return ::google::protobuf::internal::WireFormatLite::SkipField( + input, tag, &unknown_fields_stream); + } + + static void Varint(MessageLite* msg, const ParseTable& table, + int tag, int value) { + GOOGLE_DCHECK(!table.unknown_field_set); + + ::google::protobuf::io::StringOutputStream unknown_fields_string( + MutableUnknownFields(msg, table.arena_offset)); + ::google::protobuf::io::CodedOutputStream unknown_fields_stream( + &unknown_fields_string, false); + unknown_fields_stream.WriteVarint32(tag); + unknown_fields_stream.WriteVarint32(value); + } + + static bool ParseExtension( + MessageLite* msg, const ParseTable& table, + io::CodedInputStream* input, int tag) { + ExtensionSet* extensions = GetExtensionSet(msg, table.extension_offset); + if (extensions == NULL) { + return false; + } + + const MessageLite* prototype = table.default_instance(); + + GOOGLE_DCHECK(!table.unknown_field_set); + ::google::protobuf::io::StringOutputStream unknown_fields_string( + MutableUnknownFields(msg, table.arena_offset)); + ::google::protobuf::io::CodedOutputStream unknown_fields_stream( + &unknown_fields_string, false); + return extensions->ParseField( + tag, input, prototype, &unknown_fields_stream); + } +}; + +} // namespace + +bool MergePartialFromCodedStreamLite( + MessageLite* msg, const ParseTable& table, io::CodedInputStream* input) { + return MergePartialFromCodedStreamImpl<UnknownFieldHandlerLite, + InternalMetadataWithArenaLite>( + msg, table, input); +} + +} // namespace internal +} // namespace protobuf +} // namespace google |