melonDS/src/FATStorage.h
2021-10-29 01:33:37 +02:00

102 lines
2.8 KiB
C++

/*
Copyright 2016-2021 Arisotura
This file is part of melonDS.
melonDS 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 3 of the License, or (at your option)
any later version.
melonDS 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 melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef FATSTORAGE_H
#define FATSTORAGE_H
#include <stdio.h>
#include <string>
#include <map>
#include <filesystem>
#include "types.h"
#include "fatfs/ff.h"
class FATStorage
{
public:
FATStorage(std::string filename, u64 size, bool readonly, std::string sourcedir);
~FATStorage();
bool Open();
void Close();
bool InjectFile(std::string path, u8* data, u32 len);
u32 ReadSectors(u32 start, u32 num, u8* data);
u32 WriteSectors(u32 start, u32 num, u8* data);
private:
std::string FilePath;
std::string IndexPath;
std::string SourceDir;
bool ReadOnly;
FILE* File;
u64 FileSize;
static FILE* FF_File;
static u64 FF_FileSize;
static UINT FF_ReadStorage(BYTE* buf, LBA_t sector, UINT num);
static UINT FF_WriteStorage(BYTE* buf, LBA_t sector, UINT num);
static u32 ReadSectorsInternal(FILE* file, u64 filelen, u32 start, u32 num, u8* data);
static u32 WriteSectorsInternal(FILE* file, u64 filelen, u32 start, u32 num, u8* data);
void LoadIndex();
void SaveIndex();
bool ExportFile(std::string path, std::filesystem::path out);
void ExportDirectory(std::string path, std::string outbase, int level);
bool DeleteHostDirectory(std::string path, std::string outbase, int level);
void ExportChanges(std::string outbase);
bool CanFitFile(u32 len);
bool DeleteDirectory(std::string path, int level);
void CleanupDirectory(std::string sourcedir, std::string path, int level);
bool ImportFile(std::string path, std::filesystem::path in);
bool ImportDirectory(std::string sourcedir);
u64 GetDirectorySize(std::filesystem::path sourcedir);
bool Load(std::string filename, u64 size, std::string sourcedir);
bool Save();
typedef struct
{
std::string Path;
bool IsReadOnly;
} DirIndexEntry;
typedef struct
{
std::string Path;
bool IsReadOnly;
u64 Size;
s64 LastModified;
u32 LastModifiedInternal;
} FileIndexEntry;
std::map<std::string, DirIndexEntry> DirIndex;
std::map<std::string, FileIndexEntry> FileIndex;
};
#endif // FATSTORAGE_H