Squashed 'third_party/protobuf/' content from commit e35e248
Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/src/google/protobuf/message.cc b/src/google/protobuf/message.cc
new file mode 100644
index 0000000..032748b
--- /dev/null
+++ b/src/google/protobuf/message.cc
@@ -0,0 +1,517 @@
+// 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.
+
+// Author: kenton@google.com (Kenton Varda)
+// Based on original Protocol Buffers design by
+// Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <iostream>
+#include <stack>
+#include <google/protobuf/stubs/hash.h>
+
+#include <google/protobuf/message.h>
+
+#include <google/protobuf/stubs/logging.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/mutex.h>
+#include <google/protobuf/stubs/once.h>
+#include <google/protobuf/reflection_internal.h>
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/map_field.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/generated_message_util.h>
+#include <google/protobuf/reflection_ops.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/map_util.h>
+#include <google/protobuf/stubs/singleton.h>
+#include <google/protobuf/stubs/stl_util.h>
+
+namespace google {
+namespace protobuf {
+
+using internal::WireFormat;
+using internal::ReflectionOps;
+
+Message::~Message() {}
+
+void Message::MergeFrom(const Message& from) {
+ const Descriptor* descriptor = GetDescriptor();
+ GOOGLE_CHECK_EQ(from.GetDescriptor(), descriptor)
+ << ": Tried to merge from a message with a different type. "
+ "to: " << descriptor->full_name() << ", "
+ "from:" << from.GetDescriptor()->full_name();
+ ReflectionOps::Merge(from, this);
+}
+
+void Message::CheckTypeAndMergeFrom(const MessageLite& other) {
+ MergeFrom(*down_cast<const Message*>(&other));
+}
+
+void Message::CopyFrom(const Message& from) {
+ const Descriptor* descriptor = GetDescriptor();
+ GOOGLE_CHECK_EQ(from.GetDescriptor(), descriptor)
+ << ": Tried to copy from a message with a different type. "
+ "to: " << descriptor->full_name() << ", "
+ "from:" << from.GetDescriptor()->full_name();
+ ReflectionOps::Copy(from, this);
+}
+
+string Message::GetTypeName() const {
+ return GetDescriptor()->full_name();
+}
+
+void Message::Clear() {
+ ReflectionOps::Clear(this);
+}
+
+bool Message::IsInitialized() const {
+ return ReflectionOps::IsInitialized(*this);
+}
+
+void Message::FindInitializationErrors(vector<string>* errors) const {
+ return ReflectionOps::FindInitializationErrors(*this, "", errors);
+}
+
+string Message::InitializationErrorString() const {
+ vector<string> errors;
+ FindInitializationErrors(&errors);
+ return Join(errors, ", ");
+}
+
+void Message::CheckInitialized() const {
+ GOOGLE_CHECK(IsInitialized())
+ << "Message of type \"" << GetDescriptor()->full_name()
+ << "\" is missing required fields: " << InitializationErrorString();
+}
+
+void Message::DiscardUnknownFields() {
+ return ReflectionOps::DiscardUnknownFields(this);
+}
+
+bool Message::MergePartialFromCodedStream(io::CodedInputStream* input) {
+ return WireFormat::ParseAndMergePartial(input, this);
+}
+
+bool Message::ParseFromFileDescriptor(int file_descriptor) {
+ io::FileInputStream input(file_descriptor);
+ return ParseFromZeroCopyStream(&input) && input.GetErrno() == 0;
+}
+
+bool Message::ParsePartialFromFileDescriptor(int file_descriptor) {
+ io::FileInputStream input(file_descriptor);
+ return ParsePartialFromZeroCopyStream(&input) && input.GetErrno() == 0;
+}
+
+bool Message::ParseFromIstream(istream* input) {
+ io::IstreamInputStream zero_copy_input(input);
+ return ParseFromZeroCopyStream(&zero_copy_input) && input->eof();
+}
+
+bool Message::ParsePartialFromIstream(istream* input) {
+ io::IstreamInputStream zero_copy_input(input);
+ return ParsePartialFromZeroCopyStream(&zero_copy_input) && input->eof();
+}
+
+
+void Message::SerializeWithCachedSizes(
+ io::CodedOutputStream* output) const {
+ WireFormat::SerializeWithCachedSizes(*this, GetCachedSize(), output);
+}
+
+int Message::ByteSize() const {
+ int size = WireFormat::ByteSize(*this);
+ SetCachedSize(size);
+ return size;
+}
+
+void Message::SetCachedSize(int /* size */) const {
+ GOOGLE_LOG(FATAL) << "Message class \"" << GetDescriptor()->full_name()
+ << "\" implements neither SetCachedSize() nor ByteSize(). "
+ "Must implement one or the other.";
+}
+
+int Message::SpaceUsed() const {
+ return GetReflection()->SpaceUsed(*this);
+}
+
+bool Message::SerializeToFileDescriptor(int file_descriptor) const {
+ io::FileOutputStream output(file_descriptor);
+ return SerializeToZeroCopyStream(&output);
+}
+
+bool Message::SerializePartialToFileDescriptor(int file_descriptor) const {
+ io::FileOutputStream output(file_descriptor);
+ return SerializePartialToZeroCopyStream(&output);
+}
+
+bool Message::SerializeToOstream(ostream* output) const {
+ {
+ io::OstreamOutputStream zero_copy_output(output);
+ if (!SerializeToZeroCopyStream(&zero_copy_output)) return false;
+ }
+ return output->good();
+}
+
+bool Message::SerializePartialToOstream(ostream* output) const {
+ io::OstreamOutputStream zero_copy_output(output);
+ return SerializePartialToZeroCopyStream(&zero_copy_output);
+}
+
+
+// =============================================================================
+// Reflection and associated Template Specializations
+
+Reflection::~Reflection() {}
+
+#define HANDLE_TYPE(TYPE, CPPTYPE, CTYPE) \
+template<> \
+const RepeatedField<TYPE>& Reflection::GetRepeatedField<TYPE>( \
+ const Message& message, const FieldDescriptor* field) const { \
+ return *static_cast<RepeatedField<TYPE>* >( \
+ MutableRawRepeatedField(const_cast<Message*>(&message), \
+ field, CPPTYPE, CTYPE, NULL)); \
+} \
+ \
+template<> \
+RepeatedField<TYPE>* Reflection::MutableRepeatedField<TYPE>( \
+ Message* message, const FieldDescriptor* field) const { \
+ return static_cast<RepeatedField<TYPE>* >( \
+ MutableRawRepeatedField(message, field, CPPTYPE, CTYPE, NULL)); \
+}
+
+HANDLE_TYPE(int32, FieldDescriptor::CPPTYPE_INT32, -1);
+HANDLE_TYPE(int64, FieldDescriptor::CPPTYPE_INT64, -1);
+HANDLE_TYPE(uint32, FieldDescriptor::CPPTYPE_UINT32, -1);
+HANDLE_TYPE(uint64, FieldDescriptor::CPPTYPE_UINT64, -1);
+HANDLE_TYPE(float, FieldDescriptor::CPPTYPE_FLOAT, -1);
+HANDLE_TYPE(double, FieldDescriptor::CPPTYPE_DOUBLE, -1);
+HANDLE_TYPE(bool, FieldDescriptor::CPPTYPE_BOOL, -1);
+
+
+#undef HANDLE_TYPE
+
+void* Reflection::MutableRawRepeatedString(
+ Message* message, const FieldDescriptor* field, bool is_string) const {
+ return MutableRawRepeatedField(message, field,
+ FieldDescriptor::CPPTYPE_STRING, FieldOptions::STRING, NULL);
+}
+
+
+// Default EnumValue API implementations. Real reflection implementations should
+// override these. However, there are several legacy implementations that do
+// not, and cannot easily be changed at the same time as the Reflection API, so
+// we provide these for now.
+// TODO: Remove these once all Reflection implementations are updated.
+int Reflection::GetEnumValue(const Message& message,
+ const FieldDescriptor* field) const {
+ GOOGLE_LOG(FATAL) << "Unimplemented EnumValue API.";
+ return 0;
+}
+void Reflection::SetEnumValue(Message* message,
+ const FieldDescriptor* field,
+ int value) const {
+ GOOGLE_LOG(FATAL) << "Unimplemented EnumValue API.";
+}
+int Reflection::GetRepeatedEnumValue(
+ const Message& message,
+ const FieldDescriptor* field, int index) const {
+ GOOGLE_LOG(FATAL) << "Unimplemented EnumValue API.";
+ return 0;
+}
+void Reflection::SetRepeatedEnumValue(Message* message,
+ const FieldDescriptor* field, int index,
+ int value) const {
+ GOOGLE_LOG(FATAL) << "Unimplemented EnumValue API.";
+}
+void Reflection::AddEnumValue(Message* message,
+ const FieldDescriptor* field,
+ int value) const {
+ GOOGLE_LOG(FATAL) << "Unimplemented EnumValue API.";
+}
+
+MapIterator Reflection::MapBegin(
+ Message* message,
+ const FieldDescriptor* field) const {
+ GOOGLE_LOG(FATAL) << "Unimplemented Map Reflection API.";
+ MapIterator iter(message, field);
+ return iter;
+}
+
+MapIterator Reflection::MapEnd(
+ Message* message,
+ const FieldDescriptor* field) const {
+ GOOGLE_LOG(FATAL) << "Unimplemented Map Reflection API.";
+ MapIterator iter(message, field);
+ return iter;
+}
+
+// =============================================================================
+// MessageFactory
+
+MessageFactory::~MessageFactory() {}
+
+namespace {
+
+class GeneratedMessageFactory : public MessageFactory {
+ public:
+ GeneratedMessageFactory();
+ ~GeneratedMessageFactory();
+
+ static GeneratedMessageFactory* singleton();
+
+ typedef void RegistrationFunc(const string&);
+ void RegisterFile(const char* file, RegistrationFunc* registration_func);
+ void RegisterType(const Descriptor* descriptor, const Message* prototype);
+
+ // implements MessageFactory ---------------------------------------
+ const Message* GetPrototype(const Descriptor* type);
+
+ private:
+ // Only written at static init time, so does not require locking.
+ hash_map<const char*, RegistrationFunc*,
+ hash<const char*>, streq> file_map_;
+
+ // Initialized lazily, so requires locking.
+ Mutex mutex_;
+ hash_map<const Descriptor*, const Message*> type_map_;
+};
+
+GeneratedMessageFactory* generated_message_factory_ = NULL;
+GOOGLE_PROTOBUF_DECLARE_ONCE(generated_message_factory_once_init_);
+
+void ShutdownGeneratedMessageFactory() {
+ delete generated_message_factory_;
+}
+
+void InitGeneratedMessageFactory() {
+ generated_message_factory_ = new GeneratedMessageFactory;
+ internal::OnShutdown(&ShutdownGeneratedMessageFactory);
+}
+
+GeneratedMessageFactory::GeneratedMessageFactory() {}
+GeneratedMessageFactory::~GeneratedMessageFactory() {}
+
+GeneratedMessageFactory* GeneratedMessageFactory::singleton() {
+ ::google::protobuf::GoogleOnceInit(&generated_message_factory_once_init_,
+ &InitGeneratedMessageFactory);
+ return generated_message_factory_;
+}
+
+void GeneratedMessageFactory::RegisterFile(
+ const char* file, RegistrationFunc* registration_func) {
+ if (!InsertIfNotPresent(&file_map_, file, registration_func)) {
+ GOOGLE_LOG(FATAL) << "File is already registered: " << file;
+ }
+}
+
+void GeneratedMessageFactory::RegisterType(const Descriptor* descriptor,
+ const Message* prototype) {
+ GOOGLE_DCHECK_EQ(descriptor->file()->pool(), DescriptorPool::generated_pool())
+ << "Tried to register a non-generated type with the generated "
+ "type registry.";
+
+ // This should only be called as a result of calling a file registration
+ // function during GetPrototype(), in which case we already have locked
+ // the mutex.
+ mutex_.AssertHeld();
+ if (!InsertIfNotPresent(&type_map_, descriptor, prototype)) {
+ GOOGLE_LOG(DFATAL) << "Type is already registered: " << descriptor->full_name();
+ }
+}
+
+
+const Message* GeneratedMessageFactory::GetPrototype(const Descriptor* type) {
+ {
+ ReaderMutexLock lock(&mutex_);
+ const Message* result = FindPtrOrNull(type_map_, type);
+ if (result != NULL) return result;
+ }
+
+ // If the type is not in the generated pool, then we can't possibly handle
+ // it.
+ if (type->file()->pool() != DescriptorPool::generated_pool()) return NULL;
+
+ // Apparently the file hasn't been registered yet. Let's do that now.
+ RegistrationFunc* registration_func =
+ FindPtrOrNull(file_map_, type->file()->name().c_str());
+ if (registration_func == NULL) {
+ GOOGLE_LOG(DFATAL) << "File appears to be in generated pool but wasn't "
+ "registered: " << type->file()->name();
+ return NULL;
+ }
+
+ WriterMutexLock lock(&mutex_);
+
+ // Check if another thread preempted us.
+ const Message* result = FindPtrOrNull(type_map_, type);
+ if (result == NULL) {
+ // Nope. OK, register everything.
+ registration_func(type->file()->name());
+ // Should be here now.
+ result = FindPtrOrNull(type_map_, type);
+ }
+
+ if (result == NULL) {
+ GOOGLE_LOG(DFATAL) << "Type appears to be in generated pool but wasn't "
+ << "registered: " << type->full_name();
+ }
+
+ return result;
+}
+
+} // namespace
+
+MessageFactory* MessageFactory::generated_factory() {
+ return GeneratedMessageFactory::singleton();
+}
+
+void MessageFactory::InternalRegisterGeneratedFile(
+ const char* filename, void (*register_messages)(const string&)) {
+ GeneratedMessageFactory::singleton()->RegisterFile(filename,
+ register_messages);
+}
+
+void MessageFactory::InternalRegisterGeneratedMessage(
+ const Descriptor* descriptor, const Message* prototype) {
+ GeneratedMessageFactory::singleton()->RegisterType(descriptor, prototype);
+}
+
+
+MessageFactory* Reflection::GetMessageFactory() const {
+ GOOGLE_LOG(FATAL) << "Not implemented.";
+ return NULL;
+}
+
+void* Reflection::RepeatedFieldData(
+ Message* message, const FieldDescriptor* field,
+ FieldDescriptor::CppType cpp_type,
+ const Descriptor* message_type) const {
+ GOOGLE_LOG(FATAL) << "Not implemented.";
+ return NULL;
+}
+
+namespace internal {
+RepeatedFieldAccessor::~RepeatedFieldAccessor() {
+}
+} // namespace internal
+
+const internal::RepeatedFieldAccessor* Reflection::RepeatedFieldAccessor(
+ const FieldDescriptor* field) const {
+ GOOGLE_CHECK(field->is_repeated());
+ switch (field->cpp_type()) {
+#define HANDLE_PRIMITIVE_TYPE(TYPE, type) \
+ case FieldDescriptor::CPPTYPE_ ## TYPE: \
+ return internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<type> >::get();
+ HANDLE_PRIMITIVE_TYPE(INT32, int32)
+ HANDLE_PRIMITIVE_TYPE(UINT32, uint32)
+ HANDLE_PRIMITIVE_TYPE(INT64, int64)
+ HANDLE_PRIMITIVE_TYPE(UINT64, uint64)
+ HANDLE_PRIMITIVE_TYPE(FLOAT, float)
+ HANDLE_PRIMITIVE_TYPE(DOUBLE, double)
+ HANDLE_PRIMITIVE_TYPE(BOOL, bool)
+ HANDLE_PRIMITIVE_TYPE(ENUM, int32)
+#undef HANDLE_PRIMITIVE_TYPE
+ case FieldDescriptor::CPPTYPE_STRING:
+ switch (field->options().ctype()) {
+ default:
+ case FieldOptions::STRING:
+ return internal::Singleton<internal::RepeatedPtrFieldStringAccessor>::get();
+ }
+ break;
+ case FieldDescriptor::CPPTYPE_MESSAGE:
+ if (field->is_map()) {
+ return internal::Singleton<internal::MapFieldAccessor>::get();
+ } else {
+ return internal::Singleton<internal::RepeatedPtrFieldMessageAccessor>::get();
+ }
+ }
+ GOOGLE_LOG(FATAL) << "Should not reach here.";
+ return NULL;
+}
+
+namespace internal {
+namespace {
+void ShutdownRepeatedFieldAccessor() {
+ internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<int32> >::ShutDown();
+ internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<uint32> >::ShutDown();
+ internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<int64> >::ShutDown();
+ internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<uint64> >::ShutDown();
+ internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<float> >::ShutDown();
+ internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<double> >::ShutDown();
+ internal::Singleton<internal::RepeatedFieldPrimitiveAccessor<bool> >::ShutDown();
+ internal::Singleton<internal::RepeatedPtrFieldStringAccessor>::ShutDown();
+ internal::Singleton<internal::RepeatedPtrFieldMessageAccessor>::ShutDown();
+ internal::Singleton<internal::MapFieldAccessor>::ShutDown();
+}
+
+struct ShutdownRepeatedFieldRegister {
+ ShutdownRepeatedFieldRegister() {
+ OnShutdown(&ShutdownRepeatedFieldAccessor);
+ }
+} shutdown_;
+
+} // namespace
+} // namespace internal
+
+namespace internal {
+template<>
+#if defined(_MSC_VER) && (_MSC_VER >= 1900)
+// Note: force noinline to workaround MSVC 2015 compiler bug, issue #240
+GOOGLE_ATTRIBUTE_NOINLINE
+#endif
+Message* GenericTypeHandler<Message>::NewFromPrototype(
+ const Message* prototype, google::protobuf::Arena* arena) {
+ return prototype->New(arena);
+}
+template<>
+#if defined(_MSC_VER) && (_MSC_VER >= 1900)
+// Note: force noinline to workaround MSVC 2015 compiler bug, issue #240
+GOOGLE_ATTRIBUTE_NOINLINE
+#endif
+google::protobuf::Arena* GenericTypeHandler<Message>::GetArena(
+ Message* value) {
+ return value->GetArena();
+}
+template<>
+#if defined(_MSC_VER) && (_MSC_VER >= 1900)
+// Note: force noinline to workaround MSVC 2015 compiler bug, issue #240
+GOOGLE_ATTRIBUTE_NOINLINE
+#endif
+void* GenericTypeHandler<Message>::GetMaybeArenaPointer(
+ Message* value) {
+ return value->GetMaybeArenaPointer();
+}
+} // namespace internal
+
+} // namespace protobuf
+} // namespace google