dolphin/Source/Core/DiscIO/Filesystem.h

62 lines
1.8 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
{
// file info of an FST entry
struct FileInfo
{
u64 m_NameOffset = 0u;
u64 m_Offset = 0u;
u64 m_FileSize = 0u;
std::string m_FullPath;
bool IsDirectory() const { return (m_NameOffset & 0xFF000000) != 0; }
FileInfo(u64 name_offset, u64 offset, u64 filesize)
: m_NameOffset(name_offset), m_Offset(offset), m_FileSize(filesize)
{
}
FileInfo(FileInfo const&) = default;
FileInfo() = default;
};
class FileSystem
{
public:
FileSystem(const Volume* _rVolume, const Partition& partition);
virtual ~FileSystem();
virtual bool IsValid() const = 0;
virtual const std::vector<FileInfo>& GetFileList() = 0;
virtual u64 GetFileSize(const std::string& _rFullPath) = 0;
virtual u64 ReadFile(const std::string& _rFullPath, u8* _pBuffer, u64 _MaxBufferSize,
u64 _OffsetInFile = 0) = 0;
virtual bool ExportFile(const std::string& _rFullPath, const std::string& _rExportFilename) = 0;
virtual bool ExportApploader(const std::string& _rExportFolder) const = 0;
virtual bool ExportDOL(const std::string& _rExportFolder) const = 0;
virtual std::string GetFileName(u64 _Address) = 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