mirror of
https://github.com/hrydgard/ppsspp.git
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100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include <map>
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#include <list>
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#include "FileSystem.h"
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#include "BlockDevices.h"
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bool parseLBN(std::string filename, u32 *sectorStart, u32 *readSize);
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class ISOFileSystem : public IFileSystem
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{
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public:
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ISOFileSystem(IHandleAllocator *_hAlloc, BlockDevice *_blockDevice, std::string _restrictPath = "");
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~ISOFileSystem();
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void DoState(PointerWrap &p);
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std::vector<PSPFileInfo> GetDirListing(std::string path);
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u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL);
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void CloseFile(u32 handle);
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size_t ReadFile(u32 handle, u8 *pointer, s64 size);
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size_t SeekFile(u32 handle, s32 position, FileMove type);
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PSPFileInfo GetFileInfo(std::string filename);
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bool OwnsHandle(u32 handle);
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int Ioctl(u32 handle, u32 cmd, u32 indataPtr, u32 inlen, u32 outdataPtr, u32 outlen, int &usec);
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int DevType(u32 handle);
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int Flags() { return 0; }
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size_t WriteFile(u32 handle, const u8 *pointer, s64 size);
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bool GetHostPath(const std::string &inpath, std::string &outpath) {return false;}
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virtual bool MkDir(const std::string &dirname) {return false;}
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virtual bool RmDir(const std::string &dirname) {return false;}
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virtual int RenameFile(const std::string &from, const std::string &to) {return -1;}
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virtual bool RemoveFile(const std::string &filename) {return false;}
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private:
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struct TreeEntry
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{
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TreeEntry(){}
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~TreeEntry()
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{
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for (size_t i = 0; i < children.size(); ++i)
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delete children[i];
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children.clear();
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}
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std::string name;
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u32 flags;
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u32 startingPosition;
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s64 size;
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bool isDirectory;
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TreeEntry *parent;
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std::vector<TreeEntry*> children;
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};
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struct OpenFileEntry
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{
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TreeEntry *file;
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unsigned int seekPos; // TODO: Make 64-bit?
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bool isRawSector; // "/sce_lbn" mode
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bool isBlockSectorMode; // "umd:" mode: all sizes and offsets are in 2048 byte chunks
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u32 sectorStart;
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u32 openSize;
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};
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typedef std::map<u32,OpenFileEntry> EntryMap;
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EntryMap entries;
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IHandleAllocator *hAlloc;
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TreeEntry *treeroot;
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BlockDevice *blockDevice;
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TreeEntry entireISO;
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// Don't use this in the emu, not savestated.
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std::vector<std::string> restrictTree;
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void ReadDirectory(u32 startsector, u32 dirsize, TreeEntry *root, size_t level);
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TreeEntry *GetFromPath(std::string path, bool catchError=true);
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std::string EntryFullPath(TreeEntry *e);
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};
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