chromium/third_party/mediapipe/src/mediapipe/framework/port/logging.h

// Copyright 2019 The MediaPipe Authors.
//
// 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 MEDIAPIPE_PORT_LOGGING_H_
#define MEDIAPIPE_PORT_LOGGING_H_

#include "absl/time/time.h"

#ifdef _WIN32
#define GLOG_NO_ABBREVIATED_SEVERITIES
#endif

#include <cstddef>
#include <ostream>
#include <type_traits>
#include <vector>

#include "absl/strings/has_ostream_operator.h"
#include "glog/logging.h"

namespace std {

template <typename... Ts, typename = std::enable_if_t<absl::HasOstreamOperator<
                              typename std::vector<Ts...>::value_type>::value>>
std::ostream& operator<<(std::ostream& out, const std::vector<Ts...>& v) { … }

}  // namespace std

namespace mediapipe {
LogSeverity;
const auto SetVLOGLevel = …;
class LogEntry { … };
class LogSink : public google::LogSink { … };
inline void AddLogSink(LogSink* destination) { … }
inline void RemoveLogSink(LogSink* destination) { … }
}  // namespace mediapipe

#endif  // MEDIAPIPE_PORT_LOGGING_H_