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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "common/common_types.h"
#include "core/file_sys/archive_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// File system interface to the ExtSaveData archive
class ArchiveFactory_ExtSaveData final : public ArchiveFactory {
public:
ArchiveFactory_ExtSaveData(const std::string& mount_point, bool shared);
/**
* Initialize the archive.
* @return true if it initialized successfully
*/
bool Initialize();
std::string GetName() const override { return "ExtSaveData"; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
const std::string& GetMountPoint() const { return mount_point; }
/**
* Writes the SMDH icon of the ExtSaveData to file
* @param path Path of this ExtSaveData
* @param icon_data Binary data of the icon
* @param icon_size Size of the icon data
*/
void WriteIcon(const Path& path, const u8* icon_data, size_t icon_size);
private:
/**
* This holds the full directory path for this archive, it is only set after a successful call
* to Open, this is formed as <base extsavedatapath>/<type>/<high>/<low>.
* See GetExtSaveDataPath for the code that extracts this data from an archive path.
*/
std::string mount_point;
bool shared; ///< Whether this archive represents an ExtSaveData archive or a SharedExtSaveData archive
};
/**
* Constructs a path to the concrete ExtData archive in the host filesystem based on the
* input Path and base mount point.
* @param mount_point The base mount point of the ExtSaveData archives.
* @param path The path that identifies the requested concrete ExtSaveData archive.
* @returns The complete path to the specified extdata archive in the host filesystem
*/
std::string GetExtSaveDataPath(const std::string& mount_point, const Path& path);
/**
* Constructs a path to the base folder to hold concrete ExtSaveData archives in the host file system.
* @param mount_point The base folder where this folder resides, ie. SDMC or NAND.
* @param shared Whether this ExtSaveData container is for SharedExtSaveDatas or not.
* @returns The path to the base ExtSaveData archives' folder in the host file system
*/
std::string GetExtDataContainerPath(const std::string& mount_point, bool shared);
/**
* Constructs a FileSys::Path object that refers to the ExtData archive identified by
* the specified media type, high save id and low save id.
* @param media_type The media type where the archive is located (NAND / SDMC)
* @param high The high word of the save id for the archive
* @param low The low word of the save id for the archive
* @returns A FileSys::Path to the wanted archive
*/
Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low);
} // namespace FileSys
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