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https://github.com/hrydgard/ppsspp.git
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80 lines
2.6 KiB
C++
80 lines
2.6 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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// TODO: Remove the Windows-specific code, FILE is fine there too.
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#include <map>
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#include "Core/FileSystems/FileSystem.h"
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#include "Core/FileSystems/DirectoryFileSystem.h"
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class VirtualDiscFileSystem: public IFileSystem
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{
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public:
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VirtualDiscFileSystem(IHandleAllocator *_hAlloc, std::string _basePath);
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~VirtualDiscFileSystem();
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void DoState(PointerWrap &p);
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u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL);
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size_t SeekFile(u32 handle, s32 position, FileMove type);
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size_t ReadFile(u32 handle, u8 *pointer, s64 size);
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void CloseFile(u32 handle);
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PSPFileInfo GetFileInfo(std::string filename);
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bool OwnsHandle(u32 handle);
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bool GetHostPath(const std::string &inpath, std::string &outpath);
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std::vector<PSPFileInfo> GetDirListing(std::string path);
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// unsupported operations
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size_t WriteFile(u32 handle, const u8 *pointer, s64 size);
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bool MkDir(const std::string &dirname);
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bool RmDir(const std::string &dirname);
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int RenameFile(const std::string &from, const std::string &to);
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bool RemoveFile(const std::string &filename);
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private:
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void LoadFileListIndex();
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int getFileListIndex(std::string& fileName);
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int getFileListIndex(u32 accessBlock, u32 accessSize);
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std::string GetLocalPath(std::string localpath);
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typedef enum { VFILETYPE_NORMAL, VFILETYPE_LBN, VFILETYPE_ISO } VirtualFileType;
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struct OpenFileEntry {
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DirectoryFileHandle hFile;
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VirtualFileType type;
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u32 fileIndex;
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u32 curOffset;
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u32 startOffset; // only used by lbn files
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u32 size; // only used by lbn files
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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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std::string basePath;
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typedef struct {
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std::string fileName;
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u32 firstBlock;
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u32 totalSize;
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} FileListEntry;
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std::vector<FileListEntry> fileList;
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u32 currentBlockIndex;
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};
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