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/*
* Copyright (C) 2019 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.
*/
#ifndef MEDIA_PROVIDER_FUSE_READDIR_HELPER_H
#define MEDIA_PROVIDER_FUSE_READDIR_HELPER_H
#include <dirent.h>
#include <string>
#include <vector>
namespace mediaprovider {
namespace fuse {
/**
* Holds a directory entry.
*
* DirectoryEntry object holds information about the directory entry such as
* name and type of the file or directory.
*/
struct DirectoryEntry {
/**
* Create a directory entry.
*
* @param name directory entry name.
* @param type directory entry type. Directory entry type corresponds to
* d_type of dirent structure defined in dirent.h
*/
DirectoryEntry(const std::string& name, int type) : d_name(name), d_type(type) {}
const std::string d_name;
const int d_type;
};
/**
* Adds directory entries from lower file system to the list.
*
* If a filter is specified, directory entries must satisfy the given filter. If filter is null,
* all directory entries(except '.' & '..') are returned.
*/
void addDirectoryEntriesFromLowerFs(DIR* dirp, bool (*const filter)(const dirent&),
std::vector<std::shared_ptr<DirectoryEntry>>* directory_entries);
/**
* Checks if the given dirent is directory.
*/
bool isDirectory(const dirent& entry);
} // namespace fuse
} // namespace mediaprovider
#endif