dolphin/Source/Core/DiscIO/Filesystem.h
JosJuice afe2bc60f6 Filesystem: Initialize everything in constructor
Not initializing until the filesystem is used is good when
a filesystem is constructed and then never used, but nobody does that.
This simplifies the code a little and lets all methods be const.
2017-06-13 22:44:07 +02:00

65 lines
2.0 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "Common/CommonTypes.h"
#include "DiscIO/Volume.h"
namespace DiscIO
{
// TODO: eww
class FileInfoGCWii;
// file info of an FST entry
class FileInfo
{
public:
virtual ~FileInfo();
// Not guaranteed to return a meaningful value for directories
virtual u64 GetOffset() const = 0;
// Not guaranteed to return a meaningful value for directories
virtual u32 GetSize() const = 0;
virtual bool IsDirectory() const = 0;
virtual std::string GetName() const = 0;
};
class FileSystem
{
public:
FileSystem(const Volume* _rVolume, const Partition& partition);
virtual ~FileSystem();
virtual bool IsValid() const = 0;
// TODO: Should only return FileInfo, not FileInfoGCWii
virtual const std::vector<FileInfoGCWii>& GetFileList() const = 0;
virtual const FileInfo* FindFileInfo(const std::string& path) const = 0;
virtual const FileInfo* FindFileInfo(u64 disc_offset) const = 0;
virtual u64 ReadFile(const FileInfo* file_info, u8* _pBuffer, u64 _MaxBufferSize,
u64 _OffsetInFile = 0) const = 0;
virtual bool ExportFile(const FileInfo* file_info,
const std::string& _rExportFilename) const = 0;
virtual bool ExportApploader(const std::string& _rExportFolder) const = 0;
virtual bool ExportDOL(const std::string& _rExportFolder) const = 0;
virtual std::string GetPath(u64 _Address) const = 0;
virtual std::string GetPathFromFSTOffset(size_t file_info_offset) const = 0;
virtual std::optional<u64> GetBootDOLOffset() const = 0;
virtual std::optional<u32> GetBootDOLSize(u64 dol_offset) const = 0;
virtual const Partition GetPartition() const { return m_partition; }
protected:
const Volume* const m_rVolume;
const Partition m_partition;
};
std::unique_ptr<FileSystem> CreateFileSystem(const Volume* volume, const Partition& partition);
} // namespace