mpd/src/storage/MemoryDirectoryReader.hxx
2023-03-06 14:59:48 +01:00

51 lines
1.1 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#ifndef MPD_STORAGE_MEMORY_DIRECTORY_READER_HXX
#define MPD_STORAGE_MEMORY_DIRECTORY_READER_HXX
#include "StorageInterface.hxx"
#include "FileInfo.hxx"
#include <string>
#include <forward_list>
/**
* A #StorageDirectoryReader implementation that returns directory
* entries from a memory allocation.
*/
class MemoryStorageDirectoryReader final : public StorageDirectoryReader {
public:
struct Entry {
std::string name;
StorageFileInfo info;
template<typename N>
explicit Entry(N &&_name):name(std::forward<N>(_name)) {}
};
typedef std::forward_list<Entry> List;
private:
List entries;
bool first;
public:
MemoryStorageDirectoryReader()
:first(true) {}
MemoryStorageDirectoryReader(MemoryStorageDirectoryReader &&src)
:entries(std::move(src.entries)), first(src.first) {}
MemoryStorageDirectoryReader(List &&_entries)
:entries(std::move(_entries)), first(true) {}
/* virtual methods from class StorageDirectoryReader */
const char *Read() noexcept override;
StorageFileInfo GetInfo(bool follow) override;
};
#endif