ppsspp/Core/FileSystems/BlobFileSystem.h
2017-06-04 15:11:10 -07:00

64 lines
2.6 KiB
C++

// Copyright (c) 2017- 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
// This is used for opening a debug file as a blob, and mounting it.
// Importantly, uses a fileLoader for all access, so http:// URLs are supported.
// As of writing, only used by GE dump replay.
#include <map>
#include <string>
#include "Core/Loaders.h"
#include "Core/FileSystems/FileSystem.h"
class BlobFileSystem : public IFileSystem {
public:
BlobFileSystem(IHandleAllocator *hAlloc, FileLoader *fileLoader, std::string alias);
~BlobFileSystem();
void DoState(PointerWrap &p) override;
std::vector<PSPFileInfo> GetDirListing(std::string path) override;
u32 OpenFile(std::string filename, FileAccess access, const char *devicename = nullptr) override;
void CloseFile(u32 handle) override;
size_t ReadFile(u32 handle, u8 *pointer, s64 size) override;
size_t ReadFile(u32 handle, u8 *pointer, s64 size, int &usec) override;
size_t WriteFile(u32 handle, const u8 *pointer, s64 size) override;
size_t WriteFile(u32 handle, const u8 *pointer, s64 size, int &usec) override;
size_t SeekFile(u32 handle, s32 position, FileMove type) override;
PSPFileInfo GetFileInfo(std::string filename) override;
bool OwnsHandle(u32 handle) override;
int Ioctl(u32 handle, u32 cmd, u32 indataPtr, u32 inlen, u32 outdataPtr, u32 outlen, int &usec) override;
int DevType(u32 handle) override;
int Flags() override { return 0; }
bool MkDir(const std::string &dirname) override;
bool RmDir(const std::string &dirname) override;
int RenameFile(const std::string &from, const std::string &to) override;
bool RemoveFile(const std::string &filename) override;
bool GetHostPath(const std::string &inpath, std::string &outpath) override;
u64 FreeSpace(const std::string &path) override;
private:
// File positions.
std::map<u32, s64> entries_;
IHandleAllocator *alloc_;
FileLoader *fileLoader_;
std::string alias_;
};