ppsspp file system module - currently unused
This commit is contained in:
ShizZy
parent
a5b31dea56
commit
80b85ee7e6
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// 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 "common.h"
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#include "chunk_file.h"
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enum FileAccess {
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FILEACCESS_NONE=0,
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FILEACCESS_READ=1,
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FILEACCESS_WRITE=2,
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FILEACCESS_APPEND=4,
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FILEACCESS_CREATE=8
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};
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enum FileMove {
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FILEMOVE_BEGIN=0,
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FILEMOVE_CURRENT=1,
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FILEMOVE_END=2
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};
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enum FileType {
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FILETYPE_NORMAL=1,
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FILETYPE_DIRECTORY=2
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};
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class IHandleAllocator {
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public:
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virtual ~IHandleAllocator() {}
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virtual u32 GetNewHandle() = 0;
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virtual void FreeHandle(u32 handle) = 0;
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};
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class SequentialHandleAllocator : public IHandleAllocator {
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public:
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SequentialHandleAllocator() : handle_(1) {}
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virtual u32 GetNewHandle() { return handle_++; }
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virtual void FreeHandle(u32 handle) {}
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private:
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int handle_;
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};
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struct PSPFileInfo {
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PSPFileInfo()
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: size(0), access(0), exists(false), type(FILETYPE_NORMAL), isOnSectorSystem(false), startSector(0), numSectors(0) {}
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void DoState(PointerWrap &p) {
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auto s = p.Section("PSPFileInfo", 1);
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if (!s)
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return;
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p.Do(name);
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p.Do(size);
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p.Do(access);
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p.Do(exists);
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p.Do(type);
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p.Do(atime);
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p.Do(ctime);
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p.Do(mtime);
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p.Do(isOnSectorSystem);
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p.Do(startSector);
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p.Do(numSectors);
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p.Do(sectorSize);
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}
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std::string name;
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s64 size;
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u32 access; //unix 777
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bool exists;
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FileType type;
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tm atime;
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tm ctime;
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tm mtime;
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bool isOnSectorSystem;
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u32 startSector;
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u32 numSectors;
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u32 sectorSize;
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};
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class IFileSystem {
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public:
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virtual ~IFileSystem() {}
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virtual void DoState(PointerWrap &p) = 0;
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virtual std::vector<PSPFileInfo> GetDirListing(std::string path) = 0;
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virtual u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL) = 0;
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virtual void CloseFile(u32 handle) = 0;
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virtual size_t ReadFile(u32 handle, u8 *pointer, s64 size) = 0;
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virtual size_t WriteFile(u32 handle, const u8 *pointer, s64 size) = 0;
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virtual size_t SeekFile(u32 handle, s32 position, FileMove type) = 0;
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virtual PSPFileInfo GetFileInfo(std::string filename) = 0;
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virtual bool OwnsHandle(u32 handle) = 0;
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virtual bool MkDir(const std::string &dirname) = 0;
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virtual bool RmDir(const std::string &dirname) = 0;
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virtual int RenameFile(const std::string &from, const std::string &to) = 0;
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virtual bool RemoveFile(const std::string &filename) = 0;
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virtual bool GetHostPath(const std::string &inpath, std::string &outpath) = 0;
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};
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class EmptyFileSystem : public IFileSystem {
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public:
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virtual void DoState(PointerWrap &p) {}
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std::vector<PSPFileInfo> GetDirListing(std::string path) {std::vector<PSPFileInfo> vec; return vec;}
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u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL) {return 0;}
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void CloseFile(u32 handle) {}
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size_t ReadFile(u32 handle, u8 *pointer, s64 size) {return 0;}
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size_t WriteFile(u32 handle, const u8 *pointer, s64 size) {return 0;}
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size_t SeekFile(u32 handle, s32 position, FileMove type) {return 0;}
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PSPFileInfo GetFileInfo(std::string filename) {PSPFileInfo f; return f;}
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bool OwnsHandle(u32 handle) {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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virtual bool GetHostPath(const std::string &inpath, std::string &outpath) {return false;}
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};
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@ -0,0 +1,712 @@
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// 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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#include "chunk_file.h"
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#include "file_util.h"
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#include "file_sys_directory.h"
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//#include "ISOFileSystem.h"
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//#include "Core/HLE/sceKernel.h"
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//#include "file/zip_read.h"
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//#include "util/text/utf8.h"
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#ifdef _WIN32
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//#include "Common/CommonWindows.h"
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#include <sys/stat.h>
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#else
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#include <dirent.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#endif
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std::string DirectoryFileHandle::GetLocalPath(std::string& basePath, std::string localpath)
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{
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if (localpath.empty())
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return basePath;
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if (localpath[0] == '/')
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localpath.erase(0,1);
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//Convert slashes
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#ifdef _WIN32
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for (size_t i = 0; i < localpath.size(); i++) {
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if (localpath[i] == '/')
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localpath[i] = '\\';
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}
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#endif
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return basePath + localpath;
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}
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bool DirectoryFileHandle::Open(std::string& basePath, std::string& fileName, FileAccess access) {
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std::string fullName = GetLocalPath(basePath,fileName);
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INFO_LOG(FILESYS, "Actually opening %s", fullName.c_str());
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//TODO: tests, should append seek to end of file? seeking in a file opened for append?
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#ifdef _WIN32
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// Convert parameters to Windows permissions and access
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DWORD desired = 0;
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DWORD sharemode = 0;
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DWORD openmode = 0;
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if (access & FILEACCESS_READ) {
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desired |= GENERIC_READ;
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sharemode |= FILE_SHARE_READ;
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}
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if (access & FILEACCESS_WRITE) {
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desired |= GENERIC_WRITE;
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sharemode |= FILE_SHARE_WRITE;
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}
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if (access & FILEACCESS_CREATE) {
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openmode = OPEN_ALWAYS;
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} else {
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openmode = OPEN_EXISTING;
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}
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//Let's do it!
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hFile = CreateFile(fullName.c_str(), desired, sharemode, 0, openmode, 0, 0);
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bool success = hFile != INVALID_HANDLE_VALUE;
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#else
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// Convert flags in access parameter to fopen access mode
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const char *mode = NULL;
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if (access & FILEACCESS_APPEND) {
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if (access & FILEACCESS_READ)
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mode = "ab+"; // append+read, create if needed
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else
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mode = "ab"; // append only, create if needed
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} else if (access & FILEACCESS_WRITE) {
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if (access & FILEACCESS_READ) {
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// FILEACCESS_CREATE is ignored for read only, write only, and append
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// because C++ standard fopen's nonexistant file creation can only be
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// customized for files opened read+write
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if (access & FILEACCESS_CREATE)
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mode = "wb+"; // read+write, create if needed
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else
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mode = "rb+"; // read+write, but don't create
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} else {
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mode = "wb"; // write only, create if needed
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}
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} else { // neither write nor append, so default to read only
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mode = "rb"; // read only, don't create
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}
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hFile = fopen(fullName.c_str(), mode);
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bool success = hFile != 0;
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#endif
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#if HOST_IS_CASE_SENSITIVE
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if (!success &&
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!(access & FILEACCESS_APPEND) &&
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!(access & FILEACCESS_CREATE) &&
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!(access & FILEACCESS_WRITE))
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{
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if ( ! FixPathCase(basePath,fileName, FPC_PATH_MUST_EXIST) )
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return 0; // or go on and attempt (for a better error code than just 0?)
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fullName = GetLocalPath(basePath,fileName);
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const char* fullNameC = fullName.c_str();
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DEBUG_LOG(FILESYS, "Case may have been incorrect, second try opening %s (%s)", fullNameC, fileName.c_str());
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// And try again with the correct case this time
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#ifdef _WIN32
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hFile = CreateFile(fullNameC, desired, sharemode, 0, openmode, 0, 0);
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success = hFile != INVALID_HANDLE_VALUE;
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#else
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hFile = fopen(fullNameC, mode);
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success = hFile != 0;
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#endif
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}
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#endif
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return success;
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}
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size_t DirectoryFileHandle::Read(u8* pointer, s64 size)
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{
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size_t bytesRead = 0;
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#ifdef _WIN32
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::ReadFile(hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesRead, 0);
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#else
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bytesRead = fread(pointer, 1, size, hFile);
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#endif
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return bytesRead;
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}
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size_t DirectoryFileHandle::Write(const u8* pointer, s64 size)
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{
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size_t bytesWritten = 0;
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#ifdef _WIN32
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::WriteFile(hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesWritten, 0);
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#else
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bytesWritten = fwrite(pointer, 1, size, hFile);
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#endif
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return bytesWritten;
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}
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size_t DirectoryFileHandle::Seek(s32 position, FileMove type)
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{
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#ifdef _WIN32
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DWORD moveMethod = 0;
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switch (type) {
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case FILEMOVE_BEGIN: moveMethod = FILE_BEGIN; break;
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case FILEMOVE_CURRENT: moveMethod = FILE_CURRENT; break;
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case FILEMOVE_END: moveMethod = FILE_END; break;
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}
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DWORD newPos = SetFilePointer(hFile, (LONG)position, 0, moveMethod);
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return newPos;
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#else
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int moveMethod = 0;
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switch (type) {
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case FILEMOVE_BEGIN: moveMethod = SEEK_SET; break;
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case FILEMOVE_CURRENT: moveMethod = SEEK_CUR; break;
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case FILEMOVE_END: moveMethod = SEEK_END; break;
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}
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fseek(hFile, position, moveMethod);
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return ftell(hFile);
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#endif
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}
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void DirectoryFileHandle::Close()
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{
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#ifdef _WIN32
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if (hFile != (HANDLE)-1)
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CloseHandle(hFile);
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#else
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if (hFile != 0)
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fclose(hFile);
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#endif
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}
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DirectoryFileSystem::DirectoryFileSystem(IHandleAllocator *_hAlloc, std::string _basePath) : basePath(_basePath) {
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File::CreateFullPath(basePath);
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hAlloc = _hAlloc;
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}
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DirectoryFileSystem::~DirectoryFileSystem() {
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for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
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iter->second.hFile.Close();
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}
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}
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std::string DirectoryFileSystem::GetLocalPath(std::string localpath) {
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if (localpath.empty())
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return basePath;
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if (localpath[0] == '/')
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localpath.erase(0,1);
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//Convert slashes
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#ifdef _WIN32
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for (size_t i = 0; i < localpath.size(); i++) {
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if (localpath[i] == '/')
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localpath[i] = '\\';
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}
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#endif
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return basePath + localpath;
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}
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bool DirectoryFileSystem::MkDir(const std::string &dirname) {
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#if HOST_IS_CASE_SENSITIVE
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// Must fix case BEFORE attempting, because MkDir would create
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// duplicate (different case) directories
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std::string fixedCase = dirname;
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if ( ! FixPathCase(basePath,fixedCase, FPC_PARTIAL_ALLOWED) )
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return false;
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return File::CreateFullPath(GetLocalPath(fixedCase));
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#else
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return File::CreateFullPath(GetLocalPath(dirname));
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#endif
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}
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bool DirectoryFileSystem::RmDir(const std::string &dirname) {
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std::string fullName = GetLocalPath(dirname);
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#if HOST_IS_CASE_SENSITIVE
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// Maybe we're lucky?
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if (File::DeleteDirRecursively(fullName))
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return true;
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// Nope, fix case and try again
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fullName = dirname;
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if ( ! FixPathCase(basePath,fullName, FPC_FILE_MUST_EXIST) )
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return false; // or go on and attempt (for a better error code than just false?)
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fullName = GetLocalPath(fullName);
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#endif
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||||||
|
|
||||||
|
/*#ifdef _WIN32
|
||||||
|
return RemoveDirectory(fullName.c_str()) == TRUE;
|
||||||
|
#else
|
||||||
|
return 0 == rmdir(fullName.c_str());
|
||||||
|
#endif*/
|
||||||
|
return File::DeleteDirRecursively(fullName);
|
||||||
|
}
|
||||||
|
|
||||||
|
int DirectoryFileSystem::RenameFile(const std::string &from, const std::string &to) {
|
||||||
|
std::string fullTo = to;
|
||||||
|
|
||||||
|
// Rename ignores the path (even if specified) on to.
|
||||||
|
size_t chop_at = to.find_last_of('/');
|
||||||
|
if (chop_at != to.npos)
|
||||||
|
fullTo = to.substr(chop_at + 1);
|
||||||
|
|
||||||
|
// Now put it in the same directory as from.
|
||||||
|
size_t dirname_end = from.find_last_of('/');
|
||||||
|
if (dirname_end != from.npos)
|
||||||
|
fullTo = from.substr(0, dirname_end + 1) + fullTo;
|
||||||
|
|
||||||
|
// At this point, we should check if the paths match and give an already exists error.
|
||||||
|
if (from == fullTo)
|
||||||
|
return SCE_KERNEL_ERROR_ERRNO_FILE_ALREADY_EXISTS;
|
||||||
|
|
||||||
|
std::string fullFrom = GetLocalPath(from);
|
||||||
|
|
||||||
|
#if HOST_IS_CASE_SENSITIVE
|
||||||
|
// In case TO should overwrite a file with different case
|
||||||
|
if ( ! FixPathCase(basePath,fullTo, FPC_PATH_MUST_EXIST) )
|
||||||
|
return -1; // or go on and attempt (for a better error code than just false?)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
fullTo = GetLocalPath(fullTo);
|
||||||
|
const char * fullToC = fullTo.c_str();
|
||||||
|
|
||||||
|
#ifdef _WIN32
|
||||||
|
bool retValue = (MoveFile(fullFrom.c_str(), fullToC) == TRUE);
|
||||||
|
#else
|
||||||
|
bool retValue = (0 == rename(fullFrom.c_str(), fullToC));
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if HOST_IS_CASE_SENSITIVE
|
||||||
|
if (! retValue)
|
||||||
|
{
|
||||||
|
// May have failed due to case sensitivity on FROM, so try again
|
||||||
|
fullFrom = from;
|
||||||
|
if ( ! FixPathCase(basePath,fullFrom, FPC_FILE_MUST_EXIST) )
|
||||||
|
return -1; // or go on and attempt (for a better error code than just false?)
|
||||||
|
fullFrom = GetLocalPath(fullFrom);
|
||||||
|
|
||||||
|
#ifdef _WIN32
|
||||||
|
retValue = (MoveFile(fullFrom.c_str(), fullToC) == TRUE);
|
||||||
|
#else
|
||||||
|
retValue = (0 == rename(fullFrom.c_str(), fullToC));
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// TODO: Better error codes.
|
||||||
|
return retValue ? 0 : SCE_KERNEL_ERROR_ERRNO_FILE_ALREADY_EXISTS;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool DirectoryFileSystem::RemoveFile(const std::string &filename) {
|
||||||
|
std::string fullName = GetLocalPath(filename);
|
||||||
|
#ifdef _WIN32
|
||||||
|
bool retValue = (::DeleteFileA(fullName.c_str()) == TRUE);
|
||||||
|
#else
|
||||||
|
bool retValue = (0 == unlink(fullName.c_str()));
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if HOST_IS_CASE_SENSITIVE
|
||||||
|
if (! retValue)
|
||||||
|
{
|
||||||
|
// May have failed due to case sensitivity, so try again
|
||||||
|
fullName = filename;
|
||||||
|
if ( ! FixPathCase(basePath,fullName, FPC_FILE_MUST_EXIST) )
|
||||||
|
return false; // or go on and attempt (for a better error code than just false?)
|
||||||
|
fullName = GetLocalPath(fullName);
|
||||||
|
|
||||||
|
#ifdef _WIN32
|
||||||
|
retValue = (::DeleteFileA(fullName.c_str()) == TRUE);
|
||||||
|
#else
|
||||||
|
retValue = (0 == unlink(fullName.c_str()));
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
return retValue;
|
||||||
|
}
|
||||||
|
|
||||||
|
u32 DirectoryFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename) {
|
||||||
|
OpenFileEntry entry;
|
||||||
|
bool success = entry.hFile.Open(basePath,filename,access);
|
||||||
|
|
||||||
|
if (!success) {
|
||||||
|
#ifdef _WIN32
|
||||||
|
ERROR_LOG(FILESYS, "DirectoryFileSystem::OpenFile: FAILED, %i - access = %i", GetLastError(), (int)access);
|
||||||
|
#else
|
||||||
|
ERROR_LOG(FILESYS, "DirectoryFileSystem::OpenFile: FAILED, access = %i", (int)access);
|
||||||
|
#endif
|
||||||
|
//wwwwaaaaahh!!
|
||||||
|
return 0;
|
||||||
|
} else {
|
||||||
|
#ifdef _WIN32
|
||||||
|
if (access & FILEACCESS_APPEND)
|
||||||
|
entry.hFile.Seek(0,FILEMOVE_END);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
u32 newHandle = hAlloc->GetNewHandle();
|
||||||
|
entries[newHandle] = entry;
|
||||||
|
|
||||||
|
return newHandle;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void DirectoryFileSystem::CloseFile(u32 handle) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
if (iter != entries.end()) {
|
||||||
|
hAlloc->FreeHandle(handle);
|
||||||
|
iter->second.hFile.Close();
|
||||||
|
entries.erase(iter);
|
||||||
|
} else {
|
||||||
|
//This shouldn't happen...
|
||||||
|
ERROR_LOG(FILESYS,"Cannot close file that hasn't been opened: %08x", handle);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool DirectoryFileSystem::OwnsHandle(u32 handle) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
return (iter != entries.end());
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t DirectoryFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
if (iter != entries.end())
|
||||||
|
{
|
||||||
|
size_t bytesRead = iter->second.hFile.Read(pointer,size);
|
||||||
|
return bytesRead;
|
||||||
|
} else {
|
||||||
|
//This shouldn't happen...
|
||||||
|
ERROR_LOG(FILESYS,"Cannot read file that hasn't been opened: %08x", handle);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t DirectoryFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
if (iter != entries.end())
|
||||||
|
{
|
||||||
|
size_t bytesWritten = iter->second.hFile.Write(pointer,size);
|
||||||
|
return bytesWritten;
|
||||||
|
} else {
|
||||||
|
//This shouldn't happen...
|
||||||
|
ERROR_LOG(FILESYS,"Cannot write to file that hasn't been opened: %08x", handle);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t DirectoryFileSystem::SeekFile(u32 handle, s32 position, FileMove type) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
if (iter != entries.end()) {
|
||||||
|
return iter->second.hFile.Seek(position,type);
|
||||||
|
} else {
|
||||||
|
//This shouldn't happen...
|
||||||
|
ERROR_LOG(FILESYS,"Cannot seek in file that hasn't been opened: %08x", handle);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
PSPFileInfo DirectoryFileSystem::GetFileInfo(std::string filename) {
|
||||||
|
PSPFileInfo x;
|
||||||
|
x.name = filename;
|
||||||
|
|
||||||
|
std::string fullName = GetLocalPath(filename);
|
||||||
|
if (! File::Exists(fullName)) {
|
||||||
|
#if HOST_IS_CASE_SENSITIVE
|
||||||
|
if (! FixPathCase(basePath,filename, FPC_FILE_MUST_EXIST))
|
||||||
|
return x;
|
||||||
|
fullName = GetLocalPath(filename);
|
||||||
|
|
||||||
|
if (! File::Exists(fullName))
|
||||||
|
return x;
|
||||||
|
#else
|
||||||
|
return x;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
x.type = File::IsDirectory(fullName) ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;
|
||||||
|
x.exists = true;
|
||||||
|
|
||||||
|
if (x.type != FILETYPE_DIRECTORY)
|
||||||
|
{
|
||||||
|
#ifdef _WIN32
|
||||||
|
struct _stat64i32 s;
|
||||||
|
_wstat64i32(fullName.c_str(), &s);
|
||||||
|
#else
|
||||||
|
struct stat s;
|
||||||
|
stat(fullName.c_str(), &s);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
x.size = File::GetSize(fullName);
|
||||||
|
x.access = s.st_mode & 0x1FF;
|
||||||
|
localtime_r((time_t*)&s.st_atime,&x.atime);
|
||||||
|
localtime_r((time_t*)&s.st_ctime,&x.ctime);
|
||||||
|
localtime_r((time_t*)&s.st_mtime,&x.mtime);
|
||||||
|
}
|
||||||
|
|
||||||
|
return x;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool DirectoryFileSystem::GetHostPath(const std::string &inpath, std::string &outpath) {
|
||||||
|
outpath = GetLocalPath(inpath);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef _WIN32
|
||||||
|
#define FILETIME_FROM_UNIX_EPOCH_US 11644473600000000ULL
|
||||||
|
|
||||||
|
static void tmFromFiletime(tm &dest, FILETIME &src)
|
||||||
|
{
|
||||||
|
u64 from_1601_us = (((u64) src.dwHighDateTime << 32ULL) + (u64) src.dwLowDateTime) / 10ULL;
|
||||||
|
u64 from_1970_us = from_1601_us - FILETIME_FROM_UNIX_EPOCH_US;
|
||||||
|
|
||||||
|
time_t t = (time_t) (from_1970_us / 1000000UL);
|
||||||
|
localtime_r(&t, &dest);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
std::vector<PSPFileInfo> DirectoryFileSystem::GetDirListing(std::string path) {
|
||||||
|
std::vector<PSPFileInfo> myVector;
|
||||||
|
#ifdef _WIN32
|
||||||
|
WIN32_FIND_DATA findData;
|
||||||
|
HANDLE hFind;
|
||||||
|
|
||||||
|
std::string w32path = GetLocalPath(path) + "\\*.*";
|
||||||
|
|
||||||
|
hFind = FindFirstFile(ConvertUTF8ToWString(w32path).c_str(), &findData);
|
||||||
|
|
||||||
|
if (hFind == INVALID_HANDLE_VALUE) {
|
||||||
|
return myVector; //the empty list
|
||||||
|
}
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
PSPFileInfo entry;
|
||||||
|
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
||||||
|
entry.type = FILETYPE_DIRECTORY;
|
||||||
|
else
|
||||||
|
entry.type = FILETYPE_NORMAL;
|
||||||
|
|
||||||
|
// TODO: Make this more correct?
|
||||||
|
entry.access = entry.type == FILETYPE_NORMAL ? 0666 : 0777;
|
||||||
|
// TODO: is this just for .. or all subdirectories? Need to add a directory to the test
|
||||||
|
// to find out. Also why so different than the old test results?
|
||||||
|
if (!wcscmp(findData.cFileName, L"..") )
|
||||||
|
entry.size = 4096;
|
||||||
|
else
|
||||||
|
entry.size = findData.nFileSizeLow | ((u64)findData.nFileSizeHigh<<32);
|
||||||
|
entry.name = ConvertWStringToUTF8(findData.cFileName);
|
||||||
|
tmFromFiletime(entry.atime, findData.ftLastAccessTime);
|
||||||
|
tmFromFiletime(entry.ctime, findData.ftCreationTime);
|
||||||
|
tmFromFiletime(entry.mtime, findData.ftLastWriteTime);
|
||||||
|
myVector.push_back(entry);
|
||||||
|
|
||||||
|
int retval = FindNextFile(hFind, &findData);
|
||||||
|
if (!retval)
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
dirent *dirp;
|
||||||
|
std::string localPath = GetLocalPath(path);
|
||||||
|
DIR *dp = opendir(localPath.c_str());
|
||||||
|
|
||||||
|
#if HOST_IS_CASE_SENSITIVE
|
||||||
|
if(dp == NULL && FixPathCase(basePath,path, FPC_FILE_MUST_EXIST)) {
|
||||||
|
// May have failed due to case sensitivity, try again
|
||||||
|
localPath = GetLocalPath(path);
|
||||||
|
dp = opendir(localPath.c_str());
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
if (dp == NULL) {
|
||||||
|
ERROR_LOG(FILESYS,"Error opening directory %s\n",path.c_str());
|
||||||
|
return myVector;
|
||||||
|
}
|
||||||
|
|
||||||
|
while ((dirp = readdir(dp)) != NULL) {
|
||||||
|
PSPFileInfo entry;
|
||||||
|
struct stat s;
|
||||||
|
std::string fullName = GetLocalPath(path) + "/"+dirp->d_name;
|
||||||
|
stat(fullName.c_str(), &s);
|
||||||
|
if (S_ISDIR(s.st_mode))
|
||||||
|
entry.type = FILETYPE_DIRECTORY;
|
||||||
|
else
|
||||||
|
entry.type = FILETYPE_NORMAL;
|
||||||
|
entry.access = s.st_mode & 0x1FF;
|
||||||
|
entry.name = dirp->d_name;
|
||||||
|
entry.size = s.st_size;
|
||||||
|
localtime_r((time_t*)&s.st_atime,&entry.atime);
|
||||||
|
localtime_r((time_t*)&s.st_ctime,&entry.ctime);
|
||||||
|
localtime_r((time_t*)&s.st_mtime,&entry.mtime);
|
||||||
|
myVector.push_back(entry);
|
||||||
|
}
|
||||||
|
closedir(dp);
|
||||||
|
#endif
|
||||||
|
return myVector;
|
||||||
|
}
|
||||||
|
|
||||||
|
void DirectoryFileSystem::DoState(PointerWrap &p) {
|
||||||
|
if (!entries.empty()) {
|
||||||
|
p.SetError(p.ERROR_WARNING);
|
||||||
|
ERROR_LOG(FILESYS, "FIXME: Open files during savestate, could go badly.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
VFSFileSystem::VFSFileSystem(IHandleAllocator *_hAlloc, std::string _basePath) : basePath(_basePath) {
|
||||||
|
INFO_LOG(FILESYS, "Creating VFS file system");
|
||||||
|
hAlloc = _hAlloc;
|
||||||
|
}
|
||||||
|
|
||||||
|
VFSFileSystem::~VFSFileSystem() {
|
||||||
|
for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
|
||||||
|
delete [] iter->second.fileData;
|
||||||
|
}
|
||||||
|
entries.clear();
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string VFSFileSystem::GetLocalPath(std::string localPath) {
|
||||||
|
return basePath + localPath;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool VFSFileSystem::MkDir(const std::string &dirname) {
|
||||||
|
// NOT SUPPORTED - READ ONLY
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool VFSFileSystem::RmDir(const std::string &dirname) {
|
||||||
|
// NOT SUPPORTED - READ ONLY
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
int VFSFileSystem::RenameFile(const std::string &from, const std::string &to) {
|
||||||
|
// NOT SUPPORTED - READ ONLY
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool VFSFileSystem::RemoveFile(const std::string &filename) {
|
||||||
|
// NOT SUPPORTED - READ ONLY
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
u32 VFSFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename) {
|
||||||
|
if (access != FILEACCESS_READ) {
|
||||||
|
ERROR_LOG(FILESYS, "VFSFileSystem only supports plain reading");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string fullName = GetLocalPath(filename);
|
||||||
|
const char *fullNameC = fullName.c_str();
|
||||||
|
INFO_LOG(FILESYS,"VFSFileSystem actually opening %s (%s)", fullNameC, filename.c_str());
|
||||||
|
|
||||||
|
size_t size;
|
||||||
|
u8 *data = VFSReadFile(fullNameC, &size);
|
||||||
|
if (!data) {
|
||||||
|
ERROR_LOG(FILESYS, "VFSFileSystem failed to open %s", filename.c_str());
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
OpenFileEntry entry;
|
||||||
|
entry.fileData = data;
|
||||||
|
entry.size = size;
|
||||||
|
entry.seekPos = 0;
|
||||||
|
u32 newHandle = hAlloc->GetNewHandle();
|
||||||
|
entries[newHandle] = entry;
|
||||||
|
return newHandle;
|
||||||
|
}
|
||||||
|
|
||||||
|
PSPFileInfo VFSFileSystem::GetFileInfo(std::string filename) {
|
||||||
|
PSPFileInfo x;
|
||||||
|
x.name = filename;
|
||||||
|
|
||||||
|
std::string fullName = GetLocalPath(filename);
|
||||||
|
INFO_LOG(FILESYS,"Getting VFS file info %s (%s)", fullName.c_str(), filename.c_str());
|
||||||
|
FileInfo fo;
|
||||||
|
VFSGetFileInfo(fullName.c_str(), &fo);
|
||||||
|
x.exists = fo.exists;
|
||||||
|
if (x.exists) {
|
||||||
|
x.size = fo.size;
|
||||||
|
x.type = fo.isDirectory ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;
|
||||||
|
}
|
||||||
|
INFO_LOG(FILESYS,"Got VFS file info: size = %i", (int)x.size);
|
||||||
|
return x;
|
||||||
|
}
|
||||||
|
|
||||||
|
void VFSFileSystem::CloseFile(u32 handle) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
if (iter != entries.end()) {
|
||||||
|
delete [] iter->second.fileData;
|
||||||
|
entries.erase(iter);
|
||||||
|
} else {
|
||||||
|
//This shouldn't happen...
|
||||||
|
ERROR_LOG(FILESYS,"Cannot close file that hasn't been opened: %08x", handle);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool VFSFileSystem::OwnsHandle(u32 handle) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
return (iter != entries.end());
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t VFSFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) {
|
||||||
|
INFO_LOG(FILESYS,"VFSFileSystem::ReadFile %08x %p %i", handle, pointer, (u32)size);
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
if (iter != entries.end())
|
||||||
|
{
|
||||||
|
size_t bytesRead = size;
|
||||||
|
memcpy(pointer, iter->second.fileData + iter->second.seekPos, size);
|
||||||
|
iter->second.seekPos += size;
|
||||||
|
return bytesRead;
|
||||||
|
} else {
|
||||||
|
ERROR_LOG(FILESYS,"Cannot read file that hasn't been opened: %08x", handle);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t VFSFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) {
|
||||||
|
// NOT SUPPORTED - READ ONLY
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t VFSFileSystem::SeekFile(u32 handle, s32 position, FileMove type) {
|
||||||
|
EntryMap::iterator iter = entries.find(handle);
|
||||||
|
if (iter != entries.end()) {
|
||||||
|
switch (type) {
|
||||||
|
case FILEMOVE_BEGIN: iter->second.seekPos = position; break;
|
||||||
|
case FILEMOVE_CURRENT: iter->second.seekPos += position; break;
|
||||||
|
case FILEMOVE_END: iter->second.seekPos = iter->second.size + position; break;
|
||||||
|
}
|
||||||
|
return iter->second.seekPos;
|
||||||
|
} else {
|
||||||
|
//This shouldn't happen...
|
||||||
|
ERROR_LOG(FILESYS,"Cannot seek in file that hasn't been opened: %08x", handle);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
bool VFSFileSystem::GetHostPath(const std::string &inpath, std::string &outpath) {
|
||||||
|
// NOT SUPPORTED
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::vector<PSPFileInfo> VFSFileSystem::GetDirListing(std::string path) {
|
||||||
|
std::vector<PSPFileInfo> myVector;
|
||||||
|
// TODO
|
||||||
|
return myVector;
|
||||||
|
}
|
||||||
|
|
||||||
|
void VFSFileSystem::DoState(PointerWrap &p) {
|
||||||
|
if (!entries.empty()) {
|
||||||
|
p.SetError(p.ERROR_WARNING);
|
||||||
|
ERROR_LOG(FILESYS, "FIXME: Open files during savestate, could go badly.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,158 @@
|
||||||
|
// 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/.
|
||||||
|
|
||||||
|
#ifndef CORE_FILE_SYS_DIRECTORY_H_
|
||||||
|
#define CORE_FILE_SYS_DIRECTORY_H_
|
||||||
|
|
||||||
|
// TODO: Remove the Windows-specific code, FILE is fine there too.
|
||||||
|
|
||||||
|
#include <map>
|
||||||
|
|
||||||
|
#include "file_sys.h"
|
||||||
|
|
||||||
|
#ifdef _WIN32
|
||||||
|
typedef void * HANDLE;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if defined(__APPLE__)
|
||||||
|
|
||||||
|
#if TARGET_OS_IPHONE
|
||||||
|
#define HOST_IS_CASE_SENSITIVE 1
|
||||||
|
#elif TARGET_IPHONE_SIMULATOR
|
||||||
|
#define HOST_IS_CASE_SENSITIVE 0
|
||||||
|
#else
|
||||||
|
// Mac OSX case sensitivity defaults off, but is user configurable (when
|
||||||
|
// creating a filesytem), so assume the worst:
|
||||||
|
#define HOST_IS_CASE_SENSITIVE 1
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#elif defined(_WIN32) || defined(__SYMBIAN32__)
|
||||||
|
#define HOST_IS_CASE_SENSITIVE 0
|
||||||
|
|
||||||
|
#else // Android, Linux, BSD (and the rest?)
|
||||||
|
#define HOST_IS_CASE_SENSITIVE 1
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if HOST_IS_CASE_SENSITIVE
|
||||||
|
enum FixPathCaseBehavior {
|
||||||
|
FPC_FILE_MUST_EXIST, // all path components must exist (rmdir, move from)
|
||||||
|
FPC_PATH_MUST_EXIST, // all except the last one must exist - still tries to fix last one (fopen, move to)
|
||||||
|
FPC_PARTIAL_ALLOWED, // don't care how many exist (mkdir recursive)
|
||||||
|
};
|
||||||
|
|
||||||
|
bool FixPathCase(std::string& basePath, std::string &path, FixPathCaseBehavior behavior);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
struct DirectoryFileHandle
|
||||||
|
{
|
||||||
|
#ifdef _WIN32
|
||||||
|
HANDLE hFile;
|
||||||
|
#else
|
||||||
|
FILE* hFile;
|
||||||
|
#endif
|
||||||
|
DirectoryFileHandle()
|
||||||
|
{
|
||||||
|
#ifdef _WIN32
|
||||||
|
hFile = (HANDLE)-1;
|
||||||
|
#else
|
||||||
|
hFile = 0;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string GetLocalPath(std::string& basePath, std::string localpath);
|
||||||
|
bool Open(std::string& basePath, std::string& fileName, FileAccess access);
|
||||||
|
size_t Read(u8* pointer, s64 size);
|
||||||
|
size_t Write(const u8* pointer, s64 size);
|
||||||
|
size_t Seek(s32 position, FileMove type);
|
||||||
|
void Close();
|
||||||
|
};
|
||||||
|
|
||||||
|
class DirectoryFileSystem : public IFileSystem {
|
||||||
|
public:
|
||||||
|
DirectoryFileSystem(IHandleAllocator *_hAlloc, std::string _basePath);
|
||||||
|
~DirectoryFileSystem();
|
||||||
|
|
||||||
|
void DoState(PointerWrap &p);
|
||||||
|
std::vector<PSPFileInfo> GetDirListing(std::string path);
|
||||||
|
u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL);
|
||||||
|
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);
|
||||||
|
|
||||||
|
bool MkDir(const std::string &dirname);
|
||||||
|
bool RmDir(const std::string &dirname);
|
||||||
|
int RenameFile(const std::string &from, const std::string &to);
|
||||||
|
bool RemoveFile(const std::string &filename);
|
||||||
|
bool GetHostPath(const std::string &inpath, std::string &outpath);
|
||||||
|
|
||||||
|
private:
|
||||||
|
struct OpenFileEntry {
|
||||||
|
DirectoryFileHandle hFile;
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef std::map<u32, OpenFileEntry> EntryMap;
|
||||||
|
EntryMap entries;
|
||||||
|
std::string basePath;
|
||||||
|
IHandleAllocator *hAlloc;
|
||||||
|
|
||||||
|
// In case of Windows: Translate slashes, etc.
|
||||||
|
std::string GetLocalPath(std::string localpath);
|
||||||
|
};
|
||||||
|
|
||||||
|
// VFSFileSystem: Ability to map in Android APK paths as well! Does not support all features, only meant for fonts.
|
||||||
|
// Very inefficient - always load the whole file on open.
|
||||||
|
class VFSFileSystem : public IFileSystem {
|
||||||
|
public:
|
||||||
|
VFSFileSystem(IHandleAllocator *_hAlloc, std::string _basePath);
|
||||||
|
~VFSFileSystem();
|
||||||
|
|
||||||
|
void DoState(PointerWrap &p);
|
||||||
|
std::vector<PSPFileInfo> GetDirListing(std::string path);
|
||||||
|
u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL);
|
||||||
|
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);
|
||||||
|
|
||||||
|
bool MkDir(const std::string &dirname);
|
||||||
|
bool RmDir(const std::string &dirname);
|
||||||
|
int RenameFile(const std::string &from, const std::string &to);
|
||||||
|
bool RemoveFile(const std::string &filename);
|
||||||
|
bool GetHostPath(const std::string &inpath, std::string &outpath);
|
||||||
|
|
||||||
|
private:
|
||||||
|
struct OpenFileEntry {
|
||||||
|
u8 *fileData;
|
||||||
|
size_t size;
|
||||||
|
size_t seekPos;
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef std::map<u32, OpenFileEntry> EntryMap;
|
||||||
|
EntryMap entries;
|
||||||
|
std::string basePath;
|
||||||
|
IHandleAllocator *hAlloc;
|
||||||
|
|
||||||
|
std::string GetLocalPath(std::string localpath);
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif // CORE_FILE_SYS_DIRECTORY_H_
|
||||||
Reference in New Issue