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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_STORAGE_MEMORY_DIRECTORY_READER_HXX
#define MPD_STORAGE_MEMORY_DIRECTORY_READER_HXX
#include "check.h"
#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() override;
StorageFileInfo GetInfo(bool follow) override;
};
#endif
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