libretro/ppsspp
1
0
Fork 0
mirror of https://github.com/libretro/ppsspp.git synced 2024-12-13 11:38:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #2897 from Kingcom/DiscDirectory

Browse Source 
Open directory as disc
This commit is contained in:
Henrik Rydgård 2013-07-25 09:15:34 -07:00
commit 080c99cd57
15 changed files with 804 additions and 174 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

787
Core/FileSystems/DirectoryFileSystem.cpp
View File

@ -18,6 +18,7 @@
#include "ChunkFile.h"
#include "FileUtil.h"
#include "DirectoryFileSystem.h"
#include "ISOFileSystem.h"
#include "Core/HLE/sceKernel.h"
#include "file/zip_read.h"
@ -31,8 +32,12 @@
#include <ctype.h>
#endif
#if HOST_IS_CASE_SENSITIVE
typedef enum {
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)
} FixPathCaseBehavior;
static bool FixFilenameCase(const std::string &path, std::string &filename)
{
@ -82,7 +87,7 @@ static bool FixFilenameCase(const std::string &path, std::string &filename)
return retValue;
}
bool DirectoryFileSystem::FixPathCase(std::string &path, FixPathCaseBehavior behavior)
bool FixPathCase(std::string& basePath, std::string &path, FixPathCaseBehavior behavior)
{
size_t len = path.size();
@ -133,6 +138,185 @@ bool DirectoryFileSystem::FixPathCase(std::string &path, FixPathCaseBehavior beh
#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(HLE, "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(HLE,"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(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(HLE, "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;
#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;
#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
}
u64 getFileSize(std::string& fileName)
{
#ifdef _WIN32
WIN32_FILE_ATTRIBUTE_DATA data;
GetFileAttributesEx(fileName.c_str(), GetFileExInfoStandard, &data);
return data.nFileSizeLow | ((u64)data.nFileSizeHigh<<32);
#else
struct stat s;
stat(fileName.c_str(), &s);
return s.st_size;
#endif
}
DirectoryFileSystem::DirectoryFileSystem(IHandleAllocator *_hAlloc, std::string _basePath) : basePath(_basePath) {
File::CreateFullPath(basePath);
hAlloc = _hAlloc;
@ -140,11 +324,7 @@ DirectoryFileSystem::DirectoryFileSystem(IHandleAllocator *_hAlloc, std::string
DirectoryFileSystem::~DirectoryFileSystem() {
for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
#ifdef _WIN32
CloseHandle((*iter).second.hFile);
#else
fclose((*iter).second.hFile);
#endif
iter->second.hFile.Close();
}
}
@ -165,13 +345,12 @@ std::string DirectoryFileSystem::GetLocalPath(std::string 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(fixedCase, FPC_PARTIAL_ALLOWED) )
if ( ! FixPathCase(basePath,fixedCase, FPC_PARTIAL_ALLOWED) )
return false;
return File::CreateFullPath(GetLocalPath(fixedCase));
@ -190,7 +369,7 @@ bool DirectoryFileSystem::RmDir(const std::string &dirname) {
// Nope, fix case and try again
fullName = dirname;
if ( ! FixPathCase(fullName, FPC_FILE_MUST_EXIST) )
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);
@ -225,7 +404,7 @@ int DirectoryFileSystem::RenameFile(const std::string &from, const std::string &
#if HOST_IS_CASE_SENSITIVE
// In case TO should overwrite a file with different case
if ( ! FixPathCase(fullTo, FPC_PATH_MUST_EXIST) )
if ( ! FixPathCase(basePath,fullTo, FPC_PATH_MUST_EXIST) )
return -1; // or go on and attempt (for a better error code than just false?)
#endif
@ -243,7 +422,7 @@ int DirectoryFileSystem::RenameFile(const std::string &from, const std::string &
{
// May have failed due to case sensitivity on FROM, so try again
fullFrom = from;
if ( ! FixPathCase(fullFrom, FPC_FILE_MUST_EXIST) )
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);
@ -272,7 +451,7 @@ bool DirectoryFileSystem::RemoveFile(const std::string &filename) {
{
// May have failed due to case sensitivity, so try again
fullName = filename;
if ( ! FixPathCase(fullName, FPC_FILE_MUST_EXIST) )
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);
@ -288,95 +467,8 @@ bool DirectoryFileSystem::RemoveFile(const std::string &filename) {
}
u32 DirectoryFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename) {
#if HOST_IS_CASE_SENSITIVE
if (access & (FILEACCESS_APPEND|FILEACCESS_CREATE|FILEACCESS_WRITE))
{
DEBUG_LOG(HLE, "Checking case for path %s", filename.c_str());
if ( ! FixPathCase(filename, FPC_PATH_MUST_EXIST) )
return 0; // 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(filename);
const char *fullNameC = fullName.c_str();
INFO_LOG(HLE,"Actually opening %s (%s)", fullNameC, filename.c_str());
OpenFileEntry entry;
//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!
entry.hFile = CreateFile(fullNameC, desired, sharemode, 0, openmode, 0, 0);
bool success = entry.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
}
entry.hFile = fopen(fullNameC, mode);
bool success = entry.hFile != 0;
#endif
#if HOST_IS_CASE_SENSITIVE
if (!success &&
!(access & FILEACCESS_APPEND) &&
!(access & FILEACCESS_CREATE) &&
!(access & FILEACCESS_WRITE))
{
if ( ! FixPathCase(filename, FPC_PATH_MUST_EXIST) )
return 0; // or go on and attempt (for a better error code than just 0?)
fullName = GetLocalPath(filename);
fullNameC = fullName.c_str();
DEBUG_LOG(HLE, "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
entry.hFile = CreateFile(fullNameC, desired, sharemode, 0, openmode, 0, 0);
success = entry.hFile != INVALID_HANDLE_VALUE;
#else
entry.hFile = fopen(fullNameC, mode);
success = entry.hFile != 0;
#endif
}
#endif
bool success = entry.hFile.Open(basePath,filename,access);
if (!success) {
#ifdef _WIN32
@ -389,7 +481,7 @@ u32 DirectoryFileSystem::OpenFile(std::string filename, FileAccess access, const
} else {
#ifdef _WIN32
if (access & FILEACCESS_APPEND)
SetFilePointer(entry.hFile, 0, NULL, FILE_END);
entry.hFile.Seek(0,FILEMOVE_END);
#endif
u32 newHandle = hAlloc->GetNewHandle();
@ -403,11 +495,7 @@ void DirectoryFileSystem::CloseFile(u32 handle) {
EntryMap::iterator iter = entries.find(handle);
if (iter != entries.end()) {
hAlloc->FreeHandle(handle);
#ifdef _WIN32
CloseHandle((*iter).second.hFile);
#else
fclose((*iter).second.hFile);
#endif
iter->second.hFile.Close();
entries.erase(iter);
} else {
//This shouldn't happen...
@ -424,12 +512,7 @@ size_t DirectoryFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) {
EntryMap::iterator iter = entries.find(handle);
if (iter != entries.end())
{
size_t bytesRead;
#ifdef _WIN32
::ReadFile(iter->second.hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesRead, 0);
#else
bytesRead = fread(pointer, 1, size, iter->second.hFile);
#endif
size_t bytesRead = iter->second.hFile.Read(pointer,size);
return bytesRead;
} else {
//This shouldn't happen...
@ -442,12 +525,7 @@ size_t DirectoryFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) {
EntryMap::iterator iter = entries.find(handle);
if (iter != entries.end())
{
size_t bytesWritten;
#ifdef _WIN32
::WriteFile(iter->second.hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesWritten, 0);
#else
bytesWritten = fwrite(pointer, 1, size, iter->second.hFile);
#endif
size_t bytesWritten = iter->second.hFile.Write(pointer,size);
return bytesWritten;
} else {
//This shouldn't happen...
@ -459,25 +537,7 @@ size_t DirectoryFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) {
size_t DirectoryFileSystem::SeekFile(u32 handle, s32 position, FileMove type) {
EntryMap::iterator iter = entries.find(handle);
if (iter != entries.end()) {
#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((*iter).second.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(iter->second.hFile, position, moveMethod);
return ftell(iter->second.hFile);
#endif
return iter->second.hFile.Seek(position,type);
} else {
//This shouldn't happen...
ERROR_LOG(HLE,"Cannot seek in file that hasn't been opened: %08x", handle);
@ -492,7 +552,7 @@ PSPFileInfo DirectoryFileSystem::GetFileInfo(std::string filename) {
std::string fullName = GetLocalPath(filename);
if (! File::Exists(fullName)) {
#if HOST_IS_CASE_SENSITIVE
if (! FixPathCase(filename, FPC_FILE_MUST_EXIST))
if (! FixPathCase(basePath,filename, FPC_FILE_MUST_EXIST))
return x;
fullName = GetLocalPath(filename);
@ -509,14 +569,8 @@ PSPFileInfo DirectoryFileSystem::GetFileInfo(std::string filename) {
{
struct stat s;
stat(fullName.c_str(), &s);
#ifdef _WIN32
WIN32_FILE_ATTRIBUTE_DATA data;
GetFileAttributesEx(fullName.c_str(), GetFileExInfoStandard, &data);
x.size = data.nFileSizeLow | ((u64)data.nFileSizeHigh<<32);
#else
x.size = s.st_size;
#endif
x.size = getFileSize(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);
@ -589,7 +643,7 @@ std::vector<PSPFileInfo> DirectoryFileSystem::GetDirListing(std::string path) {
DIR *dp = opendir(localPath.c_str());
#if HOST_IS_CASE_SENSITIVE
if(dp == NULL && FixPathCase(path, FPC_FILE_MUST_EXIST)) {
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());
@ -631,6 +685,445 @@ void DirectoryFileSystem::DoState(PointerWrap &p) {
}
VirtualDiscFileSystem::VirtualDiscFileSystem(IHandleAllocator *_hAlloc, std::string _basePath)
: basePath(_basePath),currentBlockIndex(0) {
#ifdef _WIN32
if (basePath.size() > 0 && basePath[basePath.size()-1] != '\\')
basePath = basePath + "\\";
#else
if (basePath.size() > 0 && basePath[basePath.size()-1] != '/')
basePath = basePath + "/";
#endif
hAlloc = _hAlloc;
}
VirtualDiscFileSystem::~VirtualDiscFileSystem() {
for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
if (!iter->second.type != VFILETYPE_ISO)
iter->second.hFile.Close();
}
}
void VirtualDiscFileSystem::DoState(PointerWrap &p)
{
int fileListSize = fileList.size();
int entryCount = entries.size();
p.Do(fileListSize);
p.Do(entryCount);
p.Do(currentBlockIndex);
if (p.mode == p.MODE_READ)
{
fileList.clear();
entries.clear();
for (int i = 0; i < fileListSize; i++)
{
FileListEntry entry;
p.Do(entry.fileName);
p.Do(entry.firstBlock);
p.Do(entry.totalSize);
fileList.push_back(entry);
}
for (int i = 0; i < entryCount; i++)
{
u32 fd;
OpenFileEntry of;
p.Do(fd);
p.Do(of.fileIndex);
p.Do(of.type);
p.Do(of.curOffset);
p.Do(of.startOffset);
p.Do(of.size);
// open file
if (of.type != VFILETYPE_ISO)
{
bool success = of.hFile.Open(basePath,fileList[of.fileIndex].fileName,FILEACCESS_READ);
if (!success)
{
ERROR_LOG(FILESYS, "Failed to create file handle for %s.",fileList[of.fileIndex].fileName.c_str());
} else {
if (of.type == VFILETYPE_LBN)
{
of.hFile.Seek(of.curOffset+of.startOffset,FILEMOVE_BEGIN);
} else {
of.hFile.Seek(of.curOffset,FILEMOVE_BEGIN);
}
}
}
entries[fd] = of;
}
} else {
for (int i = 0; i < fileListSize; i++)
{
p.Do(fileList[i].fileName);
p.Do(fileList[i].firstBlock);
p.Do(fileList[i].totalSize);
}
for (EntryMap::iterator it = entries.begin(), end = entries.end(); it != end; ++it)
{
OpenFileEntry &of = it->second;
p.Do(it->first);
p.Do(of.fileIndex);
p.Do(of.type);
p.Do(of.curOffset);
p.Do(of.startOffset);
p.Do(of.size);
}
}
p.DoMarker("VirtualDiscFileSystem");
}
std::string VirtualDiscFileSystem::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;
}
int VirtualDiscFileSystem::getFileListIndex(std::string& fileName)
{
for (int i = 0; i < fileList.size(); i++)
{
if (fileList[i].fileName == fileName)
return i;
}
// unknown file - add it
std::string fullName = GetLocalPath(fileName);
if (! File::Exists(fullName)) {
#if HOST_IS_CASE_SENSITIVE
if (! FixPathCase(basePath,fileName, FPC_FILE_MUST_EXIST))
return -1;
fullName = GetLocalPath(fileName);
if (! File::Exists(fullName))
return -1;
#else
return -1;
#endif
}
FileType type = File::IsDirectory(fullName) ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;
if (type == FILETYPE_DIRECTORY)
return -1;
FileListEntry entry;
entry.fileName = fileName;
entry.totalSize = getFileSize(fullName);
entry.firstBlock = currentBlockIndex;
currentBlockIndex += (entry.totalSize+2047)/2048;
fileList.push_back(entry);
return fileList.size()-1;
}
int VirtualDiscFileSystem::getFileListIndex(u32 accessBlock, u32 accessSize)
{
for (int i = 0; i < fileList.size(); i++)
{
if (fileList[i].firstBlock <= accessBlock)
{
u32 sectorOffset = (accessBlock-fileList[i].firstBlock)*2048;
u32 endOffset = sectorOffset+accessSize;
if (endOffset <= fileList[i].totalSize)
{
return i;
}
}
}
return -1;
}
u32 VirtualDiscFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename)
{
OpenFileEntry entry;
entry.curOffset = 0;
entry.size = 0;
entry.startOffset = 0;
if (filename == "")
{
entry.type = VFILETYPE_ISO;
entry.fileIndex = -1;
u32 newHandle = hAlloc->GetNewHandle();
entries[newHandle] = entry;
return newHandle;
}
if (filename.compare(0,8,"/sce_lbn") == 0)
{
u32 sectorStart = 0xFFFFFFFF, readSize = 0xFFFFFFFF;
parseLBN(filename, &sectorStart, &readSize);
entry.type = VFILETYPE_LBN;
entry.size = readSize;
entry.fileIndex = getFileListIndex(sectorStart,readSize);
if (entry.fileIndex == -1)
{
ERROR_LOG(FILESYS, "VirtualDiscFileSystem: sce_lbn used without calling fileinfo.");
return 0;
}
entry.startOffset = (sectorStart-fileList[entry.fileIndex].firstBlock)*2048;
// now we just need an actual file handle
bool success = entry.hFile.Open(basePath,fileList[entry.fileIndex].fileName,FILEACCESS_READ);
if (!success)
{
#ifdef _WIN32
ERROR_LOG(HLE, "VirtualDiscFileSystem::OpenFile: FAILED, %i", GetLastError());
#else
ERROR_LOG(HLE, "VirtualDiscFileSystem::OpenFile: FAILED");
#endif
return 0;
}
// seek to start
entry.hFile.Seek(entry.startOffset,FILEMOVE_BEGIN);
u32 newHandle = hAlloc->GetNewHandle();
entries[newHandle] = entry;
return newHandle;
}
entry.type = VFILETYPE_NORMAL;
bool success = entry.hFile.Open(basePath,filename,access);
if (!success) {
#ifdef _WIN32
ERROR_LOG(HLE, "VirtualDiscFileSystem::OpenFile: FAILED, %i - access = %i", GetLastError(), (int)access);
#else
ERROR_LOG(HLE, "VirtualDiscFileSystem::OpenFile: FAILED, access = %i", (int)access);
#endif
//wwwwaaaaahh!!
return 0;
} else {
entry.fileIndex = getFileListIndex(filename);
u32 newHandle = hAlloc->GetNewHandle();
entries[newHandle] = entry;
return newHandle;
}
}
size_t VirtualDiscFileSystem::SeekFile(u32 handle, s32 position, FileMove type) {
EntryMap::iterator iter = entries.find(handle);
if (iter != entries.end()) {
switch (iter->second.type)
{
case VFILETYPE_NORMAL:
{
return iter->second.hFile.Seek(position,type);
}
case VFILETYPE_LBN:
{
switch (type)
{
case FILEMOVE_BEGIN: iter->second.curOffset = position; break;
case FILEMOVE_CURRENT: iter->second.curOffset += position; break;
case FILEMOVE_END: iter->second.curOffset = iter->second.size-position; break;
}
u32 off = iter->second.startOffset+iter->second.curOffset;
iter->second.hFile.Seek(off,FILEMOVE_BEGIN);
return iter->second.curOffset;
}
case VFILETYPE_ISO:
{
switch (type)
{
case FILEMOVE_BEGIN: iter->second.curOffset = position; break;
case FILEMOVE_CURRENT: iter->second.curOffset += position; break;
case FILEMOVE_END: return -1; // unsupported
}
return iter->second.curOffset;
}
}
} else {
//This shouldn't happen...
ERROR_LOG(HLE,"VirtualDiscFileSystem: Cannot seek in file that hasn't been opened: %08x", handle);
return 0;
}
}
size_t VirtualDiscFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) {
EntryMap::iterator iter = entries.find(handle);
if (iter != entries.end())
{
// it's the whole iso... it could reference any of the files on the disc.
// For now let's just open and close the files on demand. Can certainly be done
// better though
if (iter->second.type == VFILETYPE_ISO)
{
int fileIndex = getFileListIndex(iter->second.curOffset,size*2048);
if (fileIndex == -1)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Reading from unknown address", handle);
return 0;
}
DirectoryFileHandle hFile;
bool success = hFile.Open(basePath,fileList[fileIndex].fileName,FILEACCESS_READ);
if (!success)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Error opening file %s", fileList[fileIndex].fileName.c_str());
return 0;
}
u32 startOffset = (iter->second.curOffset-fileList[fileIndex].firstBlock)*2048;
size_t bytesRead;
hFile.Seek(startOffset,FILEMOVE_BEGIN);
bytesRead = hFile.Read(pointer,size*2048);
hFile.Close();
return bytesRead;
}
size_t bytesRead = iter->second.hFile.Read(pointer,size);
iter->second.curOffset += bytesRead;
return bytesRead;
} else {
//This shouldn't happen...
ERROR_LOG(HLE,"VirtualDiscFileSystem: Cannot read file that hasn't been opened: %08x", handle);
return 0;
}
}
void VirtualDiscFileSystem::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(HLE,"VirtualDiscFileSystem: Cannot close file that hasn't been opened: %08x", handle);
}
}
bool VirtualDiscFileSystem::OwnsHandle(u32 handle) {
EntryMap::iterator iter = entries.find(handle);
return (iter != entries.end());
}
PSPFileInfo VirtualDiscFileSystem::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)
{
struct stat s;
stat(fullName.c_str(), &s);
x.size = getFileSize(fullName);
int fileIndex = getFileListIndex(filename);
x.startSector = fileList[fileIndex].firstBlock;
x.numSectors = (x.size+2047)/2048;
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 VirtualDiscFileSystem::GetHostPath(const std::string &inpath, std::string &outpath)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Retrieving host path");
return false;
}
std::vector<PSPFileInfo> VirtualDiscFileSystem::GetDirListing(std::string path)
{
// todo
std::vector<PSPFileInfo> result;
return result;
}
size_t VirtualDiscFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Cannot write to file on virtual disc");
return 0;
}
bool VirtualDiscFileSystem::MkDir(const std::string &dirname)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Cannot create directory on virtual disc");
return false;
}
bool VirtualDiscFileSystem::RmDir(const std::string &dirname)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Cannot remove directory on virtual disc");
return false;
}
int VirtualDiscFileSystem::RenameFile(const std::string &from, const std::string &to)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Cannot rename file on virtual disc");
return -1;
}
bool VirtualDiscFileSystem::RemoveFile(const std::string &filename)
{
ERROR_LOG(HLE,"VirtualDiscFileSystem: Cannot remove file on virtual disc");
return false;
}
VFSFileSystem::VFSFileSystem(IHandleAllocator *_hAlloc, std::string _basePath) : basePath(_basePath) {
INFO_LOG(HLE, "Creating VFS file system");
hAlloc = _hAlloc;

91
Core/FileSystems/DirectoryFileSystem.h
View File

@ -47,6 +47,30 @@ typedef void * HANDLE;
#endif
typedef struct sDirectoryFileHandle
{
#ifdef _WIN32
HANDLE hFile;
#else
FILE* hFile;
#endif
sDirectoryFileHandle()
{
#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();
} DirectoryFileHandle;
class DirectoryFileSystem : public IFileSystem {
public:
DirectoryFileSystem(IHandleAllocator *_hAlloc, std::string _basePath);
@ -70,11 +94,7 @@ public:
private:
struct OpenFileEntry {
#ifdef _WIN32
HANDLE hFile;
#else
FILE *hFile;
#endif
DirectoryFileHandle hFile;
};
typedef std::map<u32, OpenFileEntry> EntryMap;
@ -84,15 +104,60 @@ private:
// In case of Windows: Translate slashes, etc.
std::string GetLocalPath(std::string localpath);
};
#if HOST_IS_CASE_SENSITIVE
typedef enum {
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)
} FixPathCaseBehavior;
bool FixPathCase(std::string &path, FixPathCaseBehavior behavior);
#endif
class VirtualDiscFileSystem: public IFileSystem
{
public:
VirtualDiscFileSystem(IHandleAllocator *_hAlloc, std::string _basePath);
~VirtualDiscFileSystem();
void DoState(PointerWrap &p);
u32 OpenFile(std::string filename, FileAccess access, const char *devicename=NULL);
size_t SeekFile(u32 handle, s32 position, FileMove type);
size_t ReadFile(u32 handle, u8 *pointer, s64 size);
void CloseFile(u32 handle);
PSPFileInfo GetFileInfo(std::string filename);
bool OwnsHandle(u32 handle);
bool GetHostPath(const std::string &inpath, std::string &outpath);
std::vector<PSPFileInfo> GetDirListing(std::string path);
// unsupported operations
size_t WriteFile(u32 handle, const u8 *pointer, s64 size);
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);
private:
int getFileListIndex(std::string& fileName);
int getFileListIndex(u32 accessBlock, u32 accessSize);
std::string GetLocalPath(std::string localpath);
typedef enum { VFILETYPE_NORMAL, VFILETYPE_LBN, VFILETYPE_ISO } VirtualFileType;
struct OpenFileEntry {
DirectoryFileHandle hFile;
VirtualFileType type;
u32 fileIndex;
u32 curOffset;
u32 startOffset; // only used by lbn files
u32 size; // only used by lbn files
};
typedef std::map<u32, OpenFileEntry> EntryMap;
EntryMap entries;
IHandleAllocator *hAlloc;
std::string basePath;
typedef struct {
std::string fileName;
u32 firstBlock;
u32 totalSize;
} FileListEntry;
std::vector<FileListEntry> fileList;
u32 currentBlockIndex;
};
// VFSFileSystem: Ability to map in Android APK paths as well! Does not support all features, only meant for fonts.

2
Core/FileSystems/ISOFileSystem.cpp
View File

@ -26,7 +26,7 @@
const int sectorSize = 2048;
static bool parseLBN(std::string filename, u32 *sectorStart, u32 *readSize)
bool parseLBN(std::string filename, u32 *sectorStart, u32 *readSize)
{
// The format of this is: "/sce_lbn" "0x"? HEX* ANY* "_size" "0x"? HEX* ANY*
// That means that "/sce_lbn/_size1/" is perfectly valid.

1
Core/FileSystems/ISOFileSystem.h
View File

@ -24,6 +24,7 @@
#include "BlockDevices.h"
bool parseLBN(std::string filename, u32 *sectorStart, u32 *readSize);
class ISOFileSystem : public IFileSystem
{

8
Core/Loaders.cpp
View File

@ -58,6 +58,13 @@ EmuFileType Identify_File(std::string &filename)
return FILETYPE_PSP_PBP_DIRECTORY;
}
}
// check if it's a disc directory
if (getFileInfo((filename + "/PSP_GAME").c_str(), &ebootInfo)) {
if (ebootInfo.exists) {
return FILETYPE_PSP_DISC_DIRECTORY;
}
}
}
FILE *f = fopen(filename.c_str(), "rb");
@ -157,6 +164,7 @@ bool LoadFile(std::string &filename, std::string *error_string) {
case FILETYPE_PSP_ISO:
case FILETYPE_PSP_ISO_NP:
case FILETYPE_PSP_DISC_DIRECTORY: // behaves the same as the mounting is already done by now
pspFileSystem.SetStartingDirectory("disc0:/PSP_GAME/USRDIR");
return Load_PSP_ISO(filename.c_str(), error_string);

2
Core/Loaders.h
View File

@ -28,6 +28,8 @@ enum EmuFileType
FILETYPE_PSP_ISO,
FILETYPE_PSP_ISO_NP,
FILETYPE_PSP_DISC_DIRECTORY,
FILETYPE_UNKNOWN_BIN,
FILETYPE_UNKNOWN_ELF,

16
Core/PSPLoaders.cpp
View File

@ -27,6 +27,7 @@
#include "MIPS/MIPSAnalyst.h"
#include "MIPS/MIPSCodeUtils.h"
#include "file/file_util.h"
#include "StringUtils.h"
#include "Host.h"
@ -44,11 +45,24 @@
// to determine if the emulator should enable extra memory and
// double-sized texture coordinates.
void InitMemoryForGameISO(std::string fileToStart) {
IFileSystem* umd2;
// check if it's a disc directory
FileInfo info;
if (!getFileInfo(fileToStart.c_str(), &info)) return;
if (info.isDirectory)
{
umd2 = new VirtualDiscFileSystem(&pspFileSystem, fileToStart);
}
else
{
auto bd = constructBlockDevice(fileToStart.c_str());
// Can't init anything without a block device...
if (!bd)
return;
ISOFileSystem *umd2 = new ISOFileSystem(&pspFileSystem, bd);
umd2 = new ISOFileSystem(&pspFileSystem, bd);
}
// Parse PARAM.SFO

2
Core/System.cpp
View File

@ -83,7 +83,7 @@ bool PSP_Init(const CoreParameter &coreParam, std::string *error_string)
std::string filename = coreParam.fileToStart;
EmuFileType type = Identify_File(filename);
if(type == FILETYPE_PSP_ISO || type == FILETYPE_PSP_ISO_NP)
if(type == FILETYPE_PSP_ISO || type == FILETYPE_PSP_ISO_NP || type == FILETYPE_PSP_DISC_DIRECTORY)
InitMemoryForGameISO(filename);
Memory::Init();

25
UI/GameInfoCache.cpp
View File

@ -225,6 +225,31 @@ public:
break;
case FILETYPE_PSP_DISC_DIRECTORY:
{
info_->fileType = FILETYPE_PSP_ISO;
SequentialHandleAllocator handles;
VirtualDiscFileSystem umd(&handles,gamePath_.c_str());
// Alright, let's fetch the PARAM.SFO.
std::string paramSFOcontents;
if (ReadFileToString(&umd, "/PSP_GAME/PARAM.SFO", &paramSFOcontents, 0)) {
lock_guard lock(info_->lock);
info_->paramSFO.ReadSFO((const u8 *)paramSFOcontents.data(), paramSFOcontents.size());
info_->title = info_->paramSFO.GetValueString("TITLE");
info_->id = info_->paramSFO.GetValueString("DISC_ID");
info_->id_version = info_->paramSFO.GetValueString("DISC_ID") + "_" + info_->paramSFO.GetValueString("DISC_VERSION");
info_->paramSFOLoaded = true;
}
ReadFileToString(&umd, "/PSP_GAME/ICON0.PNG", &info_->iconTextureData, &info_->lock);
if (info_->wantBG) {
ReadFileToString(&umd, "/PSP_GAME/PIC0.PNG", &info_->pic0TextureData, &info_->lock);
}
ReadFileToString(&umd, "/PSP_GAME/PIC1.PNG", &info_->pic1TextureData, &info_->lock);
break;
}
case FILETYPE_PSP_ISO:
case FILETYPE_PSP_ISO_NP:
{

2
UI/MainScreen.cpp
View File

@ -38,7 +38,7 @@
#ifdef _WIN32
namespace MainWindow {
void BrowseAndBoot(std::string defaultPath);
void BrowseAndBoot(std::string defaultPath, bool browseDirectory = false);
}
#endif

2
UI/MenuScreens.cpp
View File

@ -74,7 +74,7 @@
#ifdef _WIN32
namespace MainWindow {
extern HWND hwndMain;
void BrowseAndBoot(std::string defaultPath);
void BrowseAndBoot(std::string defaultPath, bool browseDirectory = false);
}
#endif

26
Windows/WndMainWindow.cpp
View File

@ -303,7 +303,7 @@ namespace MainWindow
return TRUE;
}
void BrowseAndBoot(std::string defaultPath)
void BrowseAndBoot(std::string defaultPath, bool browseDirectory)
{
std::string fn;
std::string filter = "PSP ROMs (*.iso *.cso *.pbp *.elf)|*.pbp;*.elf;*.iso;*.cso;*.prx|All files (*.*)|*.*||";
@ -323,7 +323,25 @@ namespace MainWindow
Core_EnableStepping(true);
}
if (W32Util::BrowseForFileName(true, GetHWND(), "Load File", defaultPath.size() ? defaultPath.c_str() : 0, filter.c_str(),"*.pbp;*.elf;*.iso;*.cso;",fn))
if (browseDirectory)
{
std::string dir = W32Util::BrowseForFolder(GetHWND(),"Choose directory");
if (dir == "")
{
if (!isPaused)
Core_EnableStepping(false);
}
else
{
if (globalUIState == UISTATE_INGAME || globalUIState == UISTATE_PAUSEMENU)
{
Core_EnableStepping(false);
}
NativeMessageReceived("boot", dir.c_str());
}
}
else if (W32Util::BrowseForFileName(true, GetHWND(), "Load File", defaultPath.size() ? defaultPath.c_str() : 0, filter.c_str(),"*.pbp;*.elf;*.iso;*.cso;",fn))
{
if (globalUIState == UISTATE_INGAME || globalUIState == UISTATE_PAUSEMENU)
{
@ -572,6 +590,10 @@ namespace MainWindow
BrowseAndBoot("");
break;
case ID_FILE_LOAD_DIR:
BrowseAndBoot("",true);
break;
case ID_FILE_LOAD_MEMSTICK:
{
std::string memStickDir, flash0dir;

2
Windows/WndMainWindow.h
View File

@ -18,7 +18,7 @@ namespace MainWindow
HINSTANCE GetHInstance();
HWND GetDisplayHWND();
void SetPlaying(const char*text);
void BrowseAndBoot(std::string defaultPath);
void BrowseAndBoot(std::string defaultPath, bool browseDirectory = false);
void SaveStateActionFinished(bool result, void *userdata);
void _ViewFullScreen(HWND hWnd);
void _ViewNormal(HWND hWnd);

BIN
Windows/ppsspp.rc
View File

Binary file not shown.

BIN
Windows/resource.h
View File

Binary file not shown.