src/common/apk_utils.h

/*
 * Copyright 2021 The Android Open Source Project
 *
 * 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.
 */

#pragma once

#include <string>

namespace apk_utils {

/**
 * A wrapper class that represents a single asset from the app's assets.
 * Loads and unloads the asset with the given name to memory.
 */
class NativeAsset {
  AAsset* asset;

 public:
  NativeAsset(const char* name);
  NativeAsset(NativeAsset&& a);
  NativeAsset& operator=(NativeAsset&& a);

  NativeAsset(const NativeAsset& a) = delete;
  NativeAsset& operator=(const NativeAsset& a) = delete;

  ~NativeAsset();
  bool IsValid();
  operator AAsset*();
};

}  // namespace apk_utils