chromium/third_party/mediapipe/src/mediapipe/tasks/cc/core/external_file_handler.h

/* Copyright 2022 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_TASKS_CC_CORE_EXTERNAL_FILE_HANDLER_H_
#define MEDIAPIPE_TASKS_CC_CORE_EXTERNAL_FILE_HANDLER_H_

#include <cstdint>
#include <memory>

#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "mediapipe/tasks/cc/core/proto/external_file.pb.h"

namespace mediapipe {
namespace tasks {
namespace core {

// Handler providing easy access to the contents of a file specified by an
// ExternalFile proto [1]. Takes care (if needed, depending on the provided
// proto fields) of opening and/or mapping the file in memory at creation time,
// as well as closing and/or unmapping at destruction time.
//
// [1]: support/c/task/core/proto/external_file.proto
class ExternalFileHandler { … };

}  // namespace core
}  // namespace tasks
}  // namespace mediapipe

#endif  // MEDIAPIPE_TASKS_CC_CORE_EXTERNAL_FILE_HANDLER_H_