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Core: Removed unused directory_file_system and meta_file_system modules. 

Core: Updated CMakeLists.txt to remove directory_file_system and meta_file_system modules.
This commit is contained in:
bunnei 2014-06-25 17:32:09 -04:00
parent 469fe42fad
commit 0cc3e85685
9 changed files with 0 additions and 1477 deletions
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4
src/core/CMakeLists.txt
View File

@ -29,8 +29,6 @@ set(SRCS core.cpp
arm/interpreter/mmu/tlb.cpp
arm/interpreter/mmu/wb.cpp
arm/interpreter/mmu/xscale_copro.cpp
file_sys/directory_file_system.cpp
file_sys/meta_file_system.cpp
hle/hle.cpp
hle/config_mem.cpp
hle/coprocessor.cpp
@ -75,9 +73,7 @@ set(HEADERS core.h
arm/interpreter/vfp/asm_vfp.h
arm/interpreter/vfp/vfp.h
arm/interpreter/vfp/vfp_helper.h
file_sys/directory_file_system.h
file_sys/file_sys.h
file_sys/meta_file_system.h
hle/config_mem.h
hle/coprocessor.h
hle/hle.h

4
src/core/core.vcxproj
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@ -162,8 +162,6 @@
<ClCompile Include="arm\interpreter\vfp\vfpsingle.cpp" />
<ClCompile Include="core.cpp" />
<ClCompile Include="core_timing.cpp" />
<ClCompile Include="file_sys\directory_file_system.cpp" />
<ClCompile Include="file_sys\meta_file_system.cpp" />
<ClCompile Include="hle\config_mem.cpp" />
<ClCompile Include="hle\coprocessor.cpp" />
<ClCompile Include="hle\hle.cpp" />
@ -211,9 +209,7 @@
<ClInclude Include="arm\interpreter\vfp\vfp_helper.h" />
<ClInclude Include="core.h" />
<ClInclude Include="core_timing.h" />
<ClInclude Include="file_sys\directory_file_system.h" />
<ClInclude Include="file_sys\file_sys.h" />
<ClInclude Include="file_sys\meta_file_system.h" />
<ClInclude Include="hle\config_mem.h" />
<ClInclude Include="hle\coprocessor.h" />
<ClInclude Include="hle\function_wrappers.h" />

12
src/core/core.vcxproj.filters
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@ -63,12 +63,6 @@
<ClCompile Include="arm\interpreter\thumbemu.cpp">
<Filter>arm\interpreter</Filter>
</ClCompile>
<ClCompile Include="file_sys\directory_file_system.cpp">
<Filter>file_sys</Filter>
</ClCompile>
<ClCompile Include="file_sys\meta_file_system.cpp">
<Filter>file_sys</Filter>
</ClCompile>
<ClCompile Include="hw\hw.cpp">
<Filter>hw</Filter>
</ClCompile>
@ -205,15 +199,9 @@
<ClInclude Include="arm\interpreter\skyeye_defs.h">
<Filter>arm\interpreter</Filter>
</ClInclude>
<ClInclude Include="file_sys\directory_file_system.h">
<Filter>file_sys</Filter>
</ClInclude>
<ClInclude Include="file_sys\file_sys.h">
<Filter>file_sys</Filter>
</ClInclude>
<ClInclude Include="file_sys\meta_file_system.h">
<Filter>file_sys</Filter>
</ClInclude>
<ClInclude Include="hw\hw.h">
<Filter>hw</Filter>
</ClInclude>

669
src/core/file_sys/directory_file_system.cpp
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@ -1,669 +0,0 @@
// 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/.
#include "common/chunk_file.h"
#include "common/file_util.h"
#include "common/utf8.h"
#include "core/file_sys/directory_file_system.h"
#if EMU_PLATFORM == PLATFORM_WINDOWS
#include <windows.h>
#include <sys/stat.h>
#else
#include <dirent.h>
#include <unistd.h>
#include <sys/stat.h>
#include <ctype.h>
#endif
#if HOST_IS_CASE_SENSITIVE
static bool FixFilenameCase(const std::string &path, std::string &filename)
{
// Are we lucky?
if (File::Exists(path + filename))
return true;
size_t filenameSize = filename.size(); // size in bytes, not characters
for (size_t i = 0; i < filenameSize; i++)
{
filename[i] = tolower(filename[i]);
}
//TODO: lookup filename in cache for "path"
struct dirent_large { struct dirent entry; char padding[FILENAME_MAX+1]; } diren;
struct dirent_large;
struct dirent *result = NULL;
DIR *dirp = opendir(path.c_str());
if (!dirp)
return false;
bool retValue = false;
while (!readdir_r(dirp, (dirent*) &diren, &result) && result)
{
if (strlen(result->d_name) != filenameSize)
continue;
size_t i;
for (i = 0; i < filenameSize; i++)
{
if (filename[i] != tolower(result->d_name[i]))
break;
}
if (i < filenameSize)
continue;
filename = result->d_name;
retValue = true;
}
closedir(dirp);
return retValue;
}
bool FixPathCase(std::string& basePath, std::string &path, FixPathCaseBehavior behavior)
{
size_t len = path.size();
if (len == 0)
return true;
if (path[len - 1] == '/')
{
len--;
if (len == 0)
return true;
}
std::string fullPath;
fullPath.reserve(basePath.size() + len + 1);
fullPath.append(basePath);
size_t start = 0;
while (start < len)
{
size_t i = path.find('/', start);
if (i == std::string::npos)
i = len;
if (i > start)
{
std::string component = path.substr(start, i - start);
// Fix case and stop on nonexistant path component
if (FixFilenameCase(fullPath, component) == false) {
// Still counts as success if partial matches allowed or if this
// is the last component and only the ones before it are required
return (behavior == FPC_PARTIAL_ALLOWED || (behavior == FPC_PATH_MUST_EXIST && i >= len));
}
path.replace(start, i - start, component);
fullPath.append(component);
fullPath.append(1, '/');
}
start = i + 1;
}
return true;
}
#endif
std::string DirectoryFileHandle::GetLocalPath(std::string& basePath, std::string localpath)
{
if (localpath.empty())
return basePath;
if (localpath[0] == '/')
localpath.erase(0,1);
//Convert slashes
#ifdef _WIN32
for (size_t i = 0; i < localpath.size(); i++) {
if (localpath[i] == '/')
localpath[i] = '\\';
}
#endif
return basePath + localpath;
}
bool DirectoryFileHandle::Open(std::string& basePath, std::string& fileName, FileAccess access)
{
#if HOST_IS_CASE_SENSITIVE
if (access & (FILEACCESS_APPEND|FILEACCESS_CREATE|FILEACCESS_WRITE))
{
DEBUG_LOG(FILESYS, "Checking case for path %s", fileName.c_str());
if ( ! FixPathCase(basePath, fileName, FPC_PATH_MUST_EXIST) )
return false; // or go on and attempt (for a better error code than just 0?)
}
// else we try fopen first (in case we're lucky) before simulating case insensitivity
#endif
std::string fullName = GetLocalPath(basePath,fileName);
INFO_LOG(FILESYS,"Actually opening %s", fullName.c_str());
//TODO: tests, should append seek to end of file? seeking in a file opened for append?
#ifdef _WIN32
// Convert parameters to Windows permissions and access
DWORD desired = 0;
DWORD sharemode = 0;
DWORD openmode = 0;
if (access & FILEACCESS_READ) {
desired |= GENERIC_READ;
sharemode |= FILE_SHARE_READ;
}
if (access & FILEACCESS_WRITE) {
desired |= GENERIC_WRITE;
sharemode |= FILE_SHARE_WRITE;
}
if (access & FILEACCESS_CREATE) {
openmode = OPEN_ALWAYS;
} else {
openmode = OPEN_EXISTING;
}
//Let's do it!
hFile = CreateFile(ConvertUTF8ToWString(fullName).c_str(), desired, sharemode, 0, openmode, 0, 0);
bool success = hFile != INVALID_HANDLE_VALUE;
#else
// Convert flags in access parameter to fopen access mode
const char *mode = NULL;
if (access & FILEACCESS_APPEND) {
if (access & FILEACCESS_READ)
mode = "ab+"; // append+read, create if needed
else
mode = "ab"; // append only, create if needed
} else if (access & FILEACCESS_WRITE) {
if (access & FILEACCESS_READ) {
// FILEACCESS_CREATE is ignored for read only, write only, and append
// because C++ standard fopen's nonexistant file creation can only be
// customized for files opened read+write
if (access & FILEACCESS_CREATE)
mode = "wb+"; // read+write, create if needed
else
mode = "rb+"; // read+write, but don't create
} else {
mode = "wb"; // write only, create if needed
}
} else { // neither write nor append, so default to read only
mode = "rb"; // read only, don't create
}
hFile = fopen(fullName.c_str(), mode);
bool success = hFile != 0;
#endif
#if HOST_IS_CASE_SENSITIVE
if (!success &&
!(access & FILEACCESS_APPEND) &&
!(access & FILEACCESS_CREATE) &&
!(access & FILEACCESS_WRITE))
{
if ( ! FixPathCase(basePath,fileName, FPC_PATH_MUST_EXIST) )
return 0; // or go on and attempt (for a better error code than just 0?)
fullName = GetLocalPath(basePath,fileName);
const char* fullNameC = fullName.c_str();
DEBUG_LOG(FILESYS, "Case may have been incorrect, second try opening %s (%s)", fullNameC, fileName.c_str());
// And try again with the correct case this time
#ifdef _WIN32
hFile = CreateFile(fullNameC, desired, sharemode, 0, openmode, 0, 0);
success = hFile != INVALID_HANDLE_VALUE;
#else
hFile = fopen(fullNameC, mode);
success = hFile != 0;
#endif
}
#endif
return success;
}
size_t DirectoryFileHandle::Read(u8* pointer, s64 size)
{
size_t bytesRead = 0;
#ifdef _WIN32
::ReadFile(hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesRead, 0);
#else
bytesRead = fread(pointer, 1, size, hFile);
#endif
return bytesRead;
}
size_t DirectoryFileHandle::Write(const u8* pointer, s64 size)
{
size_t bytesWritten = 0;
#ifdef _WIN32
::WriteFile(hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesWritten, 0);
#else
bytesWritten = fwrite(pointer, 1, size, hFile);
#endif
return bytesWritten;
}
size_t DirectoryFileHandle::Seek(s32 position, FileMove type)
{
#ifdef _WIN32
DWORD moveMethod = 0;
switch (type) {
case FILEMOVE_BEGIN: moveMethod = FILE_BEGIN; break;
case FILEMOVE_CURRENT: moveMethod = FILE_CURRENT; break;
case FILEMOVE_END: moveMethod = FILE_END; break;
}
DWORD newPos = SetFilePointer(hFile, (LONG)position, 0, moveMethod);
return newPos;
#else
int moveMethod = 0;
switch (type) {
case FILEMOVE_BEGIN: moveMethod = SEEK_SET; break;
case FILEMOVE_CURRENT: moveMethod = SEEK_CUR; break;
case FILEMOVE_END: moveMethod = SEEK_END; break;
}
fseek(hFile, position, moveMethod);
return ftell(hFile);
#endif
}
void DirectoryFileHandle::Close()
{
#ifdef _WIN32
if (hFile != (HANDLE)-1)
CloseHandle(hFile);
#else
if (hFile != 0)
fclose(hFile);
#endif
}
DirectoryFileSystem::DirectoryFileSystem(IHandleAllocator *_hAlloc, std::string _basePath) : basePath(_basePath) {
File::CreateFullPath(basePath);
hAlloc = _hAlloc;
}
DirectoryFileSystem::~DirectoryFileSystem() {
for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
iter->second.hFile.Close();
}
}
std::string DirectoryFileSystem::GetLocalPath(std::string localpath) {
if (localpath.empty())
return basePath;
if (localpath[0] == '/')
localpath.erase(0,1);
//Convert slashes
#ifdef _WIN32
for (size_t i = 0; i < localpath.size(); i++) {
if (localpath[i] == '/')
localpath[i] = '\\';
}
#endif
return basePath + localpath;
}
bool DirectoryFileSystem::MkDir(const std::string &dirname) {
#if HOST_IS_CASE_SENSITIVE
// Must fix case BEFORE attempting, because MkDir would create
// duplicate (different case) directories
std::string fixedCase = dirname;
if ( ! FixPathCase(basePath,fixedCase, FPC_PARTIAL_ALLOWED) )
return false;
return File::CreateFullPath(GetLocalPath(fixedCase));
#else
return File::CreateFullPath(GetLocalPath(dirname));
#endif
}
bool DirectoryFileSystem::RmDir(const std::string &dirname) {
std::string fullName = GetLocalPath(dirname);
#if HOST_IS_CASE_SENSITIVE
// Maybe we're lucky?
if (File::DeleteDirRecursively(fullName))
return true;
// Nope, fix case and try again
fullName = dirname;
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);
#endif
/*#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 -1;//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(ConvertUTF8ToWString(fullFrom).c_str(), ConvertUTF8ToWString(fullToC).c_str()) == 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 : -1;//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;
}
}
FileInfo DirectoryFileSystem::GetFileInfo(std::string filename) {
FileInfo 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(ConvertUTF8ToWString(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<FileInfo> DirectoryFileSystem::GetDirListing(std::string path) {
std::vector<FileInfo> 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) {
FileInfo 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) {
FileInfo 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.");
}
}

155
src/core/file_sys/directory_file_system.h
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@ -1,155 +0,0 @@
// 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
// TODO: Remove the Windows-specific code, FILE is fine there too.
#include <map>
#include "core/file_sys/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<FileInfo> 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);
FileInfo 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<FileInfo> 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);
FileInfo 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);
};

519
src/core/file_sys/meta_file_system.cpp
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@ -1,519 +0,0 @@
// 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/.
#include <set>
#include <algorithm>
#include "common/string_util.h"
#include "core/file_sys/meta_file_system.h"
static bool ApplyPathStringToComponentsVector(std::vector<std::string> &vector, const std::string &pathString)
{
size_t len = pathString.length();
size_t start = 0;
while (start < len)
{
size_t i = pathString.find('/', start);
if (i == std::string::npos)
i = len;
if (i > start)
{
std::string component = pathString.substr(start, i - start);
if (component != ".")
{
if (component == "..")
{
if (vector.size() != 0)
{
vector.pop_back();
}
else
{
// The PSP silently ignores attempts to .. to parent of root directory
WARN_LOG(FILESYS, "RealPath: ignoring .. beyond root - root directory is its own parent: \"%s\"", pathString.c_str());
}
}
else
{
vector.push_back(component);
}
}
}
start = i + 1;
}
return true;
}
/*
* Changes relative paths to absolute, removes ".", "..", and trailing "/"
* "drive:./blah" is absolute (ignore the dot) and "/blah" is relative (because it's missing "drive:")
* babel (and possibly other games) use "/directoryThatDoesNotExist/../directoryThatExists/filename"
*/
static bool RealPath(const std::string &currentDirectory, const std::string &inPath, std::string &outPath)
{
size_t inLen = inPath.length();
if (inLen == 0)
{
WARN_LOG(FILESYS, "RealPath: inPath is empty");
outPath = currentDirectory;
return true;
}
size_t inColon = inPath.find(':');
if (inColon + 1 == inLen)
{
// There's nothing after the colon, e.g. umd0: - this is perfectly valid.
outPath = inPath;
return true;
}
bool relative = (inColon == std::string::npos);
std::string prefix, inAfterColon;
std::vector<std::string> cmpnts; // path components
size_t outPathCapacityGuess = inPath.length();
if (relative)
{
size_t curDirLen = currentDirectory.length();
if (curDirLen == 0)
{
ERROR_LOG(FILESYS, "RealPath: inPath \"%s\" is relative, but current directory is empty", inPath.c_str());
return false;
}
size_t curDirColon = currentDirectory.find(':');
if (curDirColon == std::string::npos)
{
ERROR_LOG(FILESYS, "RealPath: inPath \"%s\" is relative, but current directory \"%s\" has no prefix", inPath.c_str(), currentDirectory.c_str());
return false;
}
if (curDirColon + 1 == curDirLen)
{
ERROR_LOG(FILESYS, "RealPath: inPath \"%s\" is relative, but current directory \"%s\" is all prefix and no path. Using \"/\" as path for current directory.", inPath.c_str(), currentDirectory.c_str());
}
else
{
const std::string curDirAfter = currentDirectory.substr(curDirColon + 1);
if (! ApplyPathStringToComponentsVector(cmpnts, curDirAfter) )
{
ERROR_LOG(FILESYS,"RealPath: currentDirectory is not a valid path: \"%s\"", currentDirectory.c_str());
return false;
}
outPathCapacityGuess += curDirLen;
}
prefix = currentDirectory.substr(0, curDirColon + 1);
inAfterColon = inPath;
}
else
{
prefix = inPath.substr(0, inColon + 1);
inAfterColon = inPath.substr(inColon + 1);
}
// Special case: "disc0:" is different from "disc0:/", so keep track of the single slash.
if (inAfterColon == "/")
{
outPath = prefix + inAfterColon;
return true;
}
if (! ApplyPathStringToComponentsVector(cmpnts, inAfterColon) )
{
WARN_LOG(FILESYS, "RealPath: inPath is not a valid path: \"%s\"", inPath.c_str());
return false;
}
outPath.clear();
outPath.reserve(outPathCapacityGuess);
outPath.append(prefix);
size_t numCmpnts = cmpnts.size();
for (size_t i = 0; i < numCmpnts; i++)
{
outPath.append(1, '/');
outPath.append(cmpnts[i]);
}
return true;
}
IFileSystem *MetaFileSystem::GetHandleOwner(u32 handle)
{
std::lock_guard<std::recursive_mutex> guard(lock);
for (size_t i = 0; i < fileSystems.size(); i++)
{
if (fileSystems[i].system->OwnsHandle(handle))
return fileSystems[i].system; //got it!
}
//none found?
return 0;
}
bool MetaFileSystem::MapFilePath(const std::string &_inpath, std::string &outpath, MountPoint **system)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string realpath;
// Special handling: host0:command.txt (as seen in Super Monkey Ball Adventures, for example)
// appears to mean the current directory on the UMD. Let's just assume the current directory.
std::string inpath = _inpath;
if (strncasecmp(inpath.c_str(), "host0:", strlen("host0:")) == 0) {
INFO_LOG(FILESYS, "Host0 path detected, stripping: %s", inpath.c_str());
inpath = inpath.substr(strlen("host0:"));
}
const std::string *currentDirectory = &startingDirectory;
_assert_msg_(FILESYS, false, "must implement equiv of __KernelGetCurThread");
int currentThread = 0;//__KernelGetCurThread();
currentDir_t::iterator it = currentDir.find(currentThread);
if (it == currentDir.end())
{
//Attempt to emulate SCE_KERNEL_ERROR_NOCWD / 8002032C: may break things requiring fixes elsewhere
if (inpath.find(':') == std::string::npos /* means path is relative */)
{
lastOpenError = -1;//SCE_KERNEL_ERROR_NOCWD;
WARN_LOG(FILESYS, "Path is relative, but current directory not set for thread %i. returning 8002032C(SCE_KERNEL_ERROR_NOCWD) instead.", currentThread);
}
}
else
{
currentDirectory = &(it->second);
}
if ( RealPath(*currentDirectory, inpath, realpath) )
{
for (size_t i = 0; i < fileSystems.size(); i++)
{
size_t prefLen = fileSystems[i].prefix.size();
if (strncasecmp(fileSystems[i].prefix.c_str(), realpath.c_str(), prefLen) == 0)
{
outpath = realpath.substr(prefLen);
*system = &(fileSystems[i]);
INFO_LOG(FILESYS, "MapFilePath: mapped \"%s\" to prefix: \"%s\", path: \"%s\"", inpath.c_str(), fileSystems[i].prefix.c_str(), outpath.c_str());
return true;
}
}
}
DEBUG_LOG(FILESYS, "MapFilePath: failed mapping \"%s\", returning false", inpath.c_str());
return false;
}
void MetaFileSystem::Mount(std::string prefix, IFileSystem *system)
{
std::lock_guard<std::recursive_mutex> guard(lock);
MountPoint x;
x.prefix = prefix;
x.system = system;
fileSystems.push_back(x);
}
void MetaFileSystem::Unmount(std::string prefix, IFileSystem *system)
{
std::lock_guard<std::recursive_mutex> guard(lock);
MountPoint x;
x.prefix = prefix;
x.system = system;
fileSystems.erase(std::remove(fileSystems.begin(), fileSystems.end(), x), fileSystems.end());
}
void MetaFileSystem::Shutdown()
{
std::lock_guard<std::recursive_mutex> guard(lock);
current = 6;
// Ownership is a bit convoluted. Let's just delete everything once.
std::set<IFileSystem *> toDelete;
for (size_t i = 0; i < fileSystems.size(); i++) {
toDelete.insert(fileSystems[i].system);
}
for (auto iter = toDelete.begin(); iter != toDelete.end(); ++iter)
{
delete *iter;
}
fileSystems.clear();
currentDir.clear();
startingDirectory = "";
}
u32 MetaFileSystem::OpenWithError(int &error, std::string filename, FileAccess access, const char *devicename)
{
std::lock_guard<std::recursive_mutex> guard(lock);
u32 h = OpenFile(filename, access, devicename);
error = lastOpenError;
return h;
}
u32 MetaFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename)
{
std::lock_guard<std::recursive_mutex> guard(lock);
lastOpenError = 0;
std::string of;
MountPoint *mount;
if (MapFilePath(filename, of, &mount))
{
return mount->system->OpenFile(of, access, mount->prefix.c_str());
}
else
{
return 0;
}
}
FileInfo MetaFileSystem::GetFileInfo(std::string filename)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string of;
IFileSystem *system;
if (MapFilePath(filename, of, &system))
{
return system->GetFileInfo(of);
}
else
{
FileInfo bogus; // TODO
return bogus;
}
}
bool MetaFileSystem::GetHostPath(const std::string &inpath, std::string &outpath)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string of;
IFileSystem *system;
if (MapFilePath(inpath, of, &system)) {
return system->GetHostPath(of, outpath);
} else {
return false;
}
}
std::vector<FileInfo> MetaFileSystem::GetDirListing(std::string path)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string of;
IFileSystem *system;
if (MapFilePath(path, of, &system))
{
return system->GetDirListing(of);
}
else
{
std::vector<FileInfo> empty;
return empty;
}
}
void MetaFileSystem::ThreadEnded(int threadID)
{
std::lock_guard<std::recursive_mutex> guard(lock);
currentDir.erase(threadID);
}
int MetaFileSystem::ChDir(const std::string &dir)
{
std::lock_guard<std::recursive_mutex> guard(lock);
// Retain the old path and fail if the arg is 1023 bytes or longer.
if (dir.size() >= 1023)
return -1;//SCE_KERNEL_ERROR_NAMETOOLONG;
_assert_msg_(FILESYS, false, "must implement equiv of __KernelGetCurThread");
int curThread = 0; //__KernelGetCurThread();
std::string of;
MountPoint *mountPoint;
if (MapFilePath(dir, of, &mountPoint))
{
currentDir[curThread] = mountPoint->prefix + of;
return 0;
}
else
{
for (size_t i = 0; i < fileSystems.size(); i++)
{
const std::string &prefix = fileSystems[i].prefix;
if (strncasecmp(prefix.c_str(), dir.c_str(), prefix.size()) == 0)
{
// The PSP is completely happy with invalid current dirs as long as they have a valid device.
WARN_LOG(FILESYS, "ChDir failed to map path \"%s\", saving as current directory anyway", dir.c_str());
currentDir[curThread] = dir;
return 0;
}
}
WARN_LOG(FILESYS, "ChDir failed to map device for \"%s\", failing", dir.c_str());
return -1;//SCE_KERNEL_ERROR_NODEV;
}
}
bool MetaFileSystem::MkDir(const std::string &dirname)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string of;
IFileSystem *system;
if (MapFilePath(dirname, of, &system))
{
return system->MkDir(of);
}
else
{
return false;
}
}
bool MetaFileSystem::RmDir(const std::string &dirname)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string of;
IFileSystem *system;
if (MapFilePath(dirname, of, &system))
{
return system->RmDir(of);
}
else
{
return false;
}
}
int MetaFileSystem::RenameFile(const std::string &from, const std::string &to)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string of;
std::string rf;
IFileSystem *osystem;
IFileSystem *rsystem = NULL;
if (MapFilePath(from, of, &osystem))
{
// If it's a relative path, it seems to always use from's filesystem.
if (to.find(":/") != to.npos)
{
if (!MapFilePath(to, rf, &rsystem))
return -1;
}
else
{
rf = to;
rsystem = osystem;
}
if (osystem != rsystem)
return -1;//SCE_KERNEL_ERROR_XDEV;
return osystem->RenameFile(of, rf);
}
else
{
return -1;
}
}
bool MetaFileSystem::RemoveFile(const std::string &filename)
{
std::lock_guard<std::recursive_mutex> guard(lock);
std::string of;
IFileSystem *system;
if (MapFilePath(filename, of, &system))
{
return system->RemoveFile(of);
}
else
{
return false;
}
}
void MetaFileSystem::CloseFile(u32 handle)
{
std::lock_guard<std::recursive_mutex> guard(lock);
IFileSystem *sys = GetHandleOwner(handle);
if (sys)
sys->CloseFile(handle);
}
size_t MetaFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size)
{
std::lock_guard<std::recursive_mutex> guard(lock);
IFileSystem *sys = GetHandleOwner(handle);
if (sys)
return sys->ReadFile(handle,pointer,size);
else
return 0;
}
size_t MetaFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size)
{
std::lock_guard<std::recursive_mutex> guard(lock);
IFileSystem *sys = GetHandleOwner(handle);
if (sys)
return sys->WriteFile(handle,pointer,size);
else
return 0;
}
size_t MetaFileSystem::SeekFile(u32 handle, s32 position, FileMove type)
{
std::lock_guard<std::recursive_mutex> guard(lock);
IFileSystem *sys = GetHandleOwner(handle);
if (sys)
return sys->SeekFile(handle,position,type);
else
return 0;
}
void MetaFileSystem::DoState(PointerWrap &p)
{
std::lock_guard<std::recursive_mutex> guard(lock);
auto s = p.Section("MetaFileSystem", 1);
if (!s)
return;
p.Do(current);
// Save/load per-thread current directory map
p.Do(currentDir);
u32 n = (u32) fileSystems.size();
p.Do(n);
if (n != (u32) fileSystems.size())
{
p.SetError(p.ERROR_FAILURE);
ERROR_LOG(FILESYS, "Savestate failure: number of filesystems doesn't match.");
return;
}
for (u32 i = 0; i < n; ++i)
fileSystems[i].system->DoState(p);
}

110
src/core/file_sys/meta_file_system.h
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@ -1,110 +0,0 @@
// 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 "common/std_mutex.h"
#include "core/file_sys/file_sys.h"
class MetaFileSystem : public IHandleAllocator, public IFileSystem
{
private:
u32 current;
struct MountPoint
{
std::string prefix;
IFileSystem *system;
bool operator == (const MountPoint &other) const
{
return prefix == other.prefix && system == other.system;
}
};
std::vector<MountPoint> fileSystems;
typedef std::map<int, std::string> currentDir_t;
currentDir_t currentDir;
std::string startingDirectory;
int lastOpenError;
std::recursive_mutex lock;
public:
MetaFileSystem()
{
current = 6; // what?
}
void Mount(std::string prefix, IFileSystem *system);
void Unmount(std::string prefix, IFileSystem *system);
void ThreadEnded(int threadID);
void Shutdown();
u32 GetNewHandle() {return current++;}
void FreeHandle(u32 handle) {}
virtual void DoState(PointerWrap &p);
IFileSystem *GetHandleOwner(u32 handle);
bool MapFilePath(const std::string &inpath, std::string &outpath, MountPoint **system);
inline bool MapFilePath(const std::string &_inpath, std::string &outpath, IFileSystem **system)
{
MountPoint *mountPoint;
if (MapFilePath(_inpath, outpath, &mountPoint))
{
*system = mountPoint->system;
return true;
}
return false;
}
// Only possible if a file system is a DirectoryFileSystem or similar.
bool GetHostPath(const std::string &inpath, std::string &outpath);
std::vector<FileInfo> GetDirListing(std::string path);
u32 OpenFile(std::string filename, FileAccess access, const char *devicename = NULL);
u32 OpenWithError(int &error, 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);
FileInfo GetFileInfo(std::string filename);
bool OwnsHandle(u32 handle) {return false;}
inline size_t GetSeekPos(u32 handle)
{
return SeekFile(handle, 0, FILEMOVE_CURRENT);
}
virtual int ChDir(const std::string &dir);
virtual bool MkDir(const std::string &dirname);
virtual bool RmDir(const std::string &dirname);
virtual int RenameFile(const std::string &from, const std::string &to);
virtual bool RemoveFile(const std::string &filename);
// TODO: void IoCtl(...)
void SetStartingDirectory(const std::string &dir) {
std::lock_guard<std::recursive_mutex> guard(lock);
startingDirectory = dir;
}
};

2
src/core/system.cpp
View File

@ -15,7 +15,6 @@
namespace System {
volatile State g_state;
MetaFileSystem g_ctr_file_system;
void UpdateState(State state) {
}
@ -45,7 +44,6 @@ void Shutdown() {
CoreTiming::Shutdown();
VideoCore::Shutdown();
Kernel::Shutdown();
g_ctr_file_system.Shutdown();
}
} // namespace

2
src/core/system.h
View File

@ -5,7 +5,6 @@
#pragma once
#include "common/emu_window.h"
#include "core/file_sys/meta_file_system.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -24,7 +23,6 @@ typedef enum {
} State;
extern volatile State g_state;
extern MetaFileSystem g_ctr_file_system;
void UpdateState(State state);
void Init(EmuWindow* emu_window);