| /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| #ifndef TENSORFLOW_CORE_PLATFORM_PROTOBUF_INTERNAL_H_ |
| #define TENSORFLOW_CORE_PLATFORM_PROTOBUF_INTERNAL_H_ |
| |
| #include "google/protobuf/any.pb.h" |
| #include "tensorflow/core/lib/core/errors.h" |
| #include "tensorflow/core/platform/platform.h" |
| #include "tensorflow/core/platform/protobuf.h" |
| #include "tensorflow/core/platform/types.h" |
| |
| namespace tensorflow { |
| |
| // Returns the DebugString when available, or a stub message otherwise. Useful |
| // for messages that are incompatible with proto_text (e.g. those using Any). |
| #ifdef TENSORFLOW_LITE_PROTOS |
| template <class T> |
| string DebugStringIfAvailable(T proto) { |
| return "[DebugString not available with lite protos]"; |
| } |
| #else |
| template <class T> |
| auto DebugStringIfAvailable(T proto) -> decltype(proto.DebugString()) { |
| return proto.DebugString(); |
| } |
| #endif // defined(TENSORFLOW_LITE_PROTOS) |
| |
| // Utility for parsing an Any value with full or lite protos. |
| template <class T> |
| Status ParseAny(const google::protobuf::Any& any, T* message, |
| const string& type_name) { |
| #ifdef TENSORFLOW_LITE_PROTOS |
| if (any.type_url() != strings::StrCat("type.googleapis.com/", type_name)) { |
| return errors::FailedPrecondition( |
| "Expected Any type_url for: ", type_name, |
| ". Got: ", string(any.type_url().data(), any.type_url().size()), "."); |
| } |
| if (!message->ParseFromString(any.value())) { |
| return errors::FailedPrecondition("Failed to unpack: ", |
| DebugStringIfAvailable(any)); |
| } |
| #else |
| CHECK_EQ(type_name, message->descriptor()->full_name()); |
| if (!any.Is<T>()) { |
| return errors::FailedPrecondition( |
| "Expected Any type_url for: ", message->descriptor()->full_name(), |
| ". Got: ", string(any.type_url().data(), any.type_url().size()), "."); |
| } |
| if (!any.UnpackTo(message)) { |
| return errors::FailedPrecondition("Failed to unpack: ", |
| DebugStringIfAvailable(any)); |
| } |
| #endif |
| return Status::OK(); |
| } |
| |
| } // namespace tensorflow |
| |
| #endif // TENSORFLOW_CORE_PLATFORM_PROTOBUF_INTERNAL_H_ |