ppsspp/Core/FileSystems/MetaFileSystem.h
2012-11-28 05:21:32 +10:00

78 lines
2.3 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// 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, version 2.0 or later versions.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#include "FileSystem.h"
class MetaFileSystem : public IHandleAllocator, public IFileSystem
{
public:
MetaFileSystem()
{
current = 6; // what?
}
void Mount(std::string prefix, IFileSystem *system);
void Unmount(IFileSystem *system);
// Effectively "Shutdown".
void UnmountAll();
u32 GetNewHandle() {return current++;}
void FreeHandle(u32 handle) {}
IFileSystem *GetHandleOwner(u32 handle);
bool MapFilePath(std::string inpath, std::string &outpath, IFileSystem **system);
std::vector<PSPFileInfo> GetDirListing(std::string path);
u32 OpenFile(std::string filename, FileAccess access);
void CloseFile(u32 handle);
size_t ReadFile(u32 handle, u8 *pointer, s64 size);
size_t WriteFile(u32 handle, const u8 *pointer, s64 size);
size_t SeekFile(u32 handle, s32 position, FileMove type);
PSPFileInfo GetFileInfo(std::string filename);
bool OwnsHandle(u32 handle) {return false;}
inline size_t GetSeekPos(u32 handle)
{
return SeekFile(handle, 0, FILEMOVE_CURRENT);
}
virtual void ChDir(std::string dir) {currentDirectory = dir;}
virtual bool MkDir(const std::string &dirname);
virtual bool RmDir(const std::string &dirname);
virtual bool RenameFile(const std::string &from, const std::string &to);
virtual bool DeleteFile(const std::string &filename);
// TODO: void IoCtl(...)
void SetCurrentDirectory(const std::string &dir) {
currentDirectory = dir;
}
private:
u32 current;
struct System
{
std::string prefix;
IFileSystem *system;
};
std::vector<System> fileSystems;
std::string currentDirectory;
};