ppsspp/Core/FileSystems/ISOFileSystem.h
Unknown W. Brackets c8ee2c0739 sceIoRename() ignores any path on dest.
Also, change the interface so it can return an error code.  Currently not
returning perfect error codes but it's better than before.
2013-06-23 20:09:44 -07:00

95 lines
2.8 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 <map>
#include <list>
#include "FileSystem.h"
#include "BlockDevices.h"
class ISOFileSystem : public IFileSystem
{
public:
ISOFileSystem(IHandleAllocator *_hAlloc, BlockDevice *_blockDevice, std::string _restrictPath = "");
~ISOFileSystem();
void DoState(PointerWrap &p);
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 SeekFile(u32 handle, s32 position, FileMove type);
PSPFileInfo GetFileInfo(std::string filename);
bool OwnsHandle(u32 handle);
size_t WriteFile(u32 handle, const u8 *pointer, s64 size);
bool GetHostPath(const std::string &inpath, std::string &outpath) {return false;}
virtual bool MkDir(const std::string &dirname) {return false;}
virtual bool RmDir(const std::string &dirname) {return false;}
virtual int RenameFile(const std::string &from, const std::string &to) {return -1;}
virtual bool RemoveFile(const std::string &filename) {return false;}
private:
struct TreeEntry
{
TreeEntry(){}
~TreeEntry()
{
for (size_t i = 0; i < children.size(); ++i)
delete children[i];
children.clear();
}
std::string name;
u32 flags;
u32 startingPosition;
s64 size;
bool isDirectory;
bool isBlockSectorMode; // "umd:" mode: all sizes and offsets are in 2048 byte chunks
TreeEntry *parent;
std::vector<TreeEntry*> children;
};
struct OpenFileEntry
{
TreeEntry *file;
unsigned int seekPos; // TODO: Make 64-bit?
bool isRawSector; // "/sce_lbn" mode
u32 sectorStart;
u32 openSize;
};
typedef std::map<u32,OpenFileEntry> EntryMap;
EntryMap entries;
IHandleAllocator *hAlloc;
TreeEntry *treeroot;
BlockDevice *blockDevice;
TreeEntry entireISO;
// Don't use this in the emu, not savestated.
std::vector<std::string> restrictTree;
void ReadDirectory(u32 startsector, u32 dirsize, TreeEntry *root, size_t level);
TreeEntry *GetFromPath(std::string path, bool catchError=true);
std::string EntryFullPath(TreeEntry *e);
};