fs_file fs_open(const char *path, const char *mode)
{
fs_file fh;
assert((mode[0] == 'r' && !mode[1]) ||
(mode[0] == 'w' && (!mode[1] || mode[1] == '+')));
if ((fh = malloc(sizeof (*fh))))
{
switch (mode[0])
{
case 'r':
fh->handle = PHYSFS_openRead(path);
break;
case 'w':
fh->handle = (mode[1] == '+' ?
PHYSFS_openAppend(path) :
PHYSFS_openWrite(path));
break;
}
if (fh->handle)
{
PHYSFS_setBuffer(fh->handle, 0x2000);
}
else
{
free(fh);
fh = NULL;
}
}
return fh;
}
static void *file_phys_fopen(const char *filename, const char *mode)
{
PHYSFS_file *phys;
ALLEGRO_FILE_PHYSFS *fp;
/* XXX handle '+' modes */
/* It might be worth adding a function to parse mode strings, to be
* shared amongst these kinds of addons.
*/
if (streq(mode, "r") || streq(mode, "rb"))
phys = PHYSFS_openRead(filename);
else if (streq(mode, "w") || streq(mode, "wb"))
phys = PHYSFS_openWrite(filename);
else if (streq(mode, "a") || streq(mode, "ab"))
phys = PHYSFS_openAppend(filename);
else
phys = NULL;
if (!phys) {
phys_set_errno(NULL);
return NULL;
}
fp = al_malloc(sizeof(*fp));
if (!fp) {
al_set_errno(ENOMEM);
PHYSFS_close(phys);
return NULL;
}
fp->phys = phys;
fp->error_indicator = false;
return fp;
}
File::File(const MountedFilePath& mountedFilePath, DataStream::OpenMode openMode)
: impl(std::make_unique<File_Impl>()), mountedFilePath(mountedFilePath)
{
const char* path = mountedFilePath.path.c_str();
int fileExists = PHYSFS_exists(path);
if (fileExists == 0)
{
throw Exception(std::string("File ") + path + " does not exist in the search path");
}
switch (openMode)
{
case OpenMode::Read:
impl->physfsFileHandle = PHYSFS_openRead(path);
break;
case OpenMode::Write:
impl->physfsFileHandle = PHYSFS_openWrite(path);
break;
case OpenMode::Append:
impl->physfsFileHandle = PHYSFS_openAppend(path);
break;
}
if (impl->physfsFileHandle == nullptr)
{
throw Exception(std::string("Failed to open file ") + path + "\n" + PHYSFS_getLastError());
}
}
Lux::Core::OpenedFile* Lux::Core::FileHandler::OpenFile(const String a_File, FileOpenMode a_OpenMode)
{
OpenedFile* retFile = nullptr;
switch (a_OpenMode)
{
case Lux::Core::FileHandler::FILE_OPEN_READ:
retFile = PHYSFS_openRead(a_File.c_str());
break;
case Lux::Core::FileHandler::FILE_OPEN_WRITE:
retFile = PHYSFS_openWrite(a_File.c_str());
break;
case Lux::Core::FileHandler::FILE_OPEN_APPEND:
retFile = PHYSFS_openAppend(a_File.c_str());
break;
default:
Utility::ThrowError("Unsupported file open mode.");
break;
}
if (retFile == nullptr)
{
Utility::ThrowError("Could not open specified file: " + a_File + " . " + PHYSFS_getLastError());
}
return retFile;
}
FileStreamPtr ResourceManager::appendFile(const std::string& fileName)
{
PHYSFS_File* file = PHYSFS_openAppend(fileName.c_str());
if(!file)
stdext::throw_exception(stdext::format("failed to append file '%s': %s", fileName, PHYSFS_getLastError()));
return FileStreamPtr(new FileStream(fileName, file, true));
}
ResourceWO * Resources::RetrieveAppend(PString & filename) {
PHYSFS_file* file = PHYSFS_openAppend(filename);
if(!file) {
PError << "couldn't open file '" << filename << "' for writing(append): %s" << PHYSFS_getLastError() << endl;
return NULL;
};
return new ResourceWO(file);
}
WriteFile* openAppend(const char* filename)
{
PHYSFS_file* file = PHYSFS_openAppend(filename);
if(!file)
throw Exception("couldn't open file '%s' for writing(append): %s",
filename, PHYSFS_getLastError());
return new WriteFile(file);
}
stream_t *file_open(const char *path, stream_mode_t mode, allocator_t *alloc)
{
PHYSFS_File *file = NULL;
stream_t *stream = NULL;
char *pathcopy;
size_t pathsize;
if (!alloc)
alloc = g_default_allocator;
if (!path) {
s_log_error("NULL path for file.");
return NULL;
}
stream = stream_alloc(mode, alloc);
if (stream) {
switch (mode) {
case STREAM_READ:
file = PHYSFS_openRead(path);
break;
case STREAM_WRITE:
file = PHYSFS_openWrite(path);
break;
case STREAM_APPEND:
file = PHYSFS_openAppend(path);
break;
default: /* cannot reach */ break;
}
// if r+ failed because the file doesn't exist, open again with w
if (file == NULL) {
s_log_error("Failed to open file '%s' with mode %d. Error: %s.",
path, mode, pfs_get_error());
stream_close(stream);
return NULL;
}
stream->read = file_read;
stream->write = file_write;
stream->seek = file_seek;
stream->eof = file_eof;
stream->close = file_close;
// copy path string
pathsize = strlen(path) + 1;
pathcopy = com_malloc(alloc, pathsize);
strncpy(pathcopy, path, pathsize);
stream->context.pfs.file = file;
stream->context.pfs.file_path = pathcopy;
}
return stream;
}
PHYSFS_File* openWithMode(char const * filename, mode openMode) {
switch (openMode) {
case WRITE:
return PHYSFS_openWrite(filename);
case APPEND:
return PHYSFS_openAppend(filename);
case READ:
return PHYSFS_openRead(filename);
}
}
PHYSFS_File* vfs::openRaw(std::string const& name, VFile::OpenMode mode)
{
PHYSFS_File* f;
switch (mode) {
case VFile::openR: f = PHYSFS_openRead(name.c_str()); break;
case VFile::openW: f = PHYSFS_openWrite(name.c_str()); break;
case VFile::openA: f = PHYSFS_openAppend(name.c_str()); break;
default: throw Error("invalid openmode", false);
}
if (!f)
throw Error("opening file \"" + name + "\" failed");
return f;
}
FilePtr File::Open(std::string path, FileMode mode) {
PHYSFS_File* file = NULL;
switch (mode) {
case FileMode::Read:
file = PHYSFS_openRead(path.c_str());
break;
case FileMode::Write:
file = PHYSFS_openWrite(path.c_str());
break;
case FileMode::Append:
file = PHYSFS_openAppend(path.c_str());
break;
}
return new PhysFSFile(file, mode);
}
bool physfsFile::prepareWrite() {
const char *wdir = PHYSFS_getWriteDir();
if (wdir == NULL) {
LOG_MSG("PHYSFS could not fulfill write request: no write directory set.");
return false;
}
//LOG_MSG("Goto write (%s at %i)",pname,PHYSFS_tell(fhandle));
const char *fdir = PHYSFS_getRealDir(pname);
PHYSFS_uint64 pos = PHYSFS_tell(fhandle);
char *slash = strrchr(pname,'/');
if (slash && slash != pname) {
*slash = 0;
PHYSFS_mkdir(pname);
*slash = '/';
}
if (strcmp(fdir,wdir)) { /* we need COW */
//LOG_MSG("COW",pname,PHYSFS_tell(fhandle));
PHYSFS_file *whandle = PHYSFS_openWrite(pname);
if (whandle == NULL) {
LOG_MSG("PHYSFS copy-on-write failed: %s.",PHYSFS_getLastError());
return false;
}
char buffer[65536];
PHYSFS_sint64 size;
PHYSFS_seek(fhandle, 0);
while ((size = PHYSFS_read(fhandle,buffer,1,65536)) > 0) {
if (PHYSFS_write(whandle,buffer,1,(PHYSFS_uint32)size) != size) {
LOG_MSG("PHYSFS copy-on-write failed: %s.",PHYSFS_getLastError());
PHYSFS_close(whandle);
return false;
}
}
PHYSFS_seek(whandle, pos);
PHYSFS_close(fhandle);
fhandle = whandle;
} else { // megayuck - physfs on posix platforms uses O_APPEND. We illegally access the fd directly and clear that flag.
//LOG_MSG("noCOW",pname,PHYSFS_tell(fhandle));
PHYSFS_close(fhandle);
fhandle = PHYSFS_openAppend(pname);
#ifndef WIN32
fcntl(**(int**)fhandle->opaque,F_SETFL,0);
#endif
PHYSFS_seek(fhandle, pos);
}
return true;
}
static int cmd_append(char *args)
{
PHYSFS_File *f;
if (*args == '\"')
{
args++;
args[strlen(args) - 1] = '\0';
} /* if */
f = PHYSFS_openAppend(args);
if (f == NULL)
printf("failed to open. Reason: [%s].\n", PHYSFS_getLastError());
else
{
size_t bw;
PHYSFS_sint64 rc;
if (do_buffer_size)
{
if (!PHYSFS_setBuffer(f, do_buffer_size))
{
printf("failed to set file buffer. Reason: [%s].\n",
PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* if */
bw = strlen(WRITESTR);
rc = PHYSFS_write(f, WRITESTR, 1, bw);
if (rc != (int)bw)
{
printf("Wrote (%d) of (%d) bytes. Reason: [%s].\n",
(int) rc, (int) bw, PHYSFS_getLastError());
} /* if */
else
{
printf("Successful.\n");
} /* else */
PHYSFS_close(f);
} /* else */
return(1);
} /* cmd_append */
FileDevice::FileDevice(const std::string& path, OpenMode om)
{
switch (om)
{
case OM_READ:
file = PHYSFS_openRead(path.c_str());
break;
case OM_WRITE:
file = PHYSFS_openWrite(path.c_str());
break;
case OM_APPEND:
file = PHYSFS_openAppend(path.c_str());
break;
}
if (file == 0)
throw Exception(PHYSFS_getLastError());
}
bool File::open(Mode mode)
{
if (mode == CLOSED)
return true;
// File must exist if read mode.
if ((mode == READ) && !PHYSFS_exists(filename.c_str()))
throw love::Exception("Could not open file %s. Does not exist.", filename.c_str());
// Check whether the write directory is set.
if ((mode == APPEND || mode == WRITE) && (PHYSFS_getWriteDir() == 0) && !hack_setupWriteDirectory())
throw love::Exception("Could not set write directory.");
// File already open?
if (file != 0)
return false;
this->mode = mode;
switch (mode)
{
case READ:
file = PHYSFS_openRead(filename.c_str());
break;
case APPEND:
file = PHYSFS_openAppend(filename.c_str());
break;
case WRITE:
file = PHYSFS_openWrite(filename.c_str());
break;
default:
break;
}
if (file != 0 && !setBuffer(bufferMode, bufferSize))
{
// Revert to buffer defaults if we don't successfully set the buffer.
bufferMode = BUFFER_NONE;
bufferSize = 0;
}
return (file != 0);
}
OSFILE *OSBasics::open(String filename, String opts) {
OSFILE *retFile = NULL;
if(PHYSFS_exists(filename.c_str())) {
if(!PHYSFS_isDirectory(filename.c_str())) {
retFile = new OSFILE;
retFile->fileType = OSFILE::TYPE_ARCHIVE_FILE;
if(opts.find("a") !=string::npos) {
retFile->physFSFile = PHYSFS_openAppend(filename.c_str());
if(!retFile->physFSFile){
printf("Error opening file from archive (%s)\n", filename.c_str());
return NULL;
}
} else if(opts.find("w") !=string::npos) {
retFile->physFSFile = PHYSFS_openWrite(filename.c_str());
if(!retFile->physFSFile){
printf("Error opening file from archive (%s)\n", filename.c_str());
return NULL;
}
} else {
retFile->physFSFile = PHYSFS_openRead(filename.c_str());
if(!retFile->physFSFile){
printf("Error opening file from archive (%s)\n", filename.c_str());
return NULL;
}
}
return retFile;
}
} else {
// Logger::log("File doesn't exist in archive (%s)\n", filename.c_str());
}
FILE *file = fopen(filename.c_str(), opts.c_str());
if(file) {
retFile = new OSFILE;
retFile->fileType = OSFILE::TYPE_FILE;
retFile->file = file;
return retFile;
}
return NULL;
}
File::File(const Path & file, EFileMode mode)
{
m_mode = mode;
auto filePath = MakePosix(file).generic_string();
auto file_cstr = filePath.c_str();
if (mode & EFM_READ)
{
if (mode & EFM_APPEND)
{
m_fileHandle = PHYSFS_openAppend(file_cstr);
if (m_fileHandle == nullptr)
{
printf("File open append failed: %s %s\n", PHYSFS_getLastError(), file_cstr);
}
}
else
{
m_fileHandle = PHYSFS_openRead(file_cstr);
if (m_fileHandle == nullptr)
{
printf("File open read failed: %s %s\n", PHYSFS_getLastError(), file_cstr);
}
}
}
else if (mode & EFM_WRITE)
{
m_fileHandle = PHYSFS_openWrite(file_cstr);
if (m_fileHandle == nullptr)
{
printf("File open write failed: %s %s\n", PHYSFS_getLastError(), file_cstr);
}
}
else
m_fileHandle = nullptr;
}
bool File::open()
{
// Check whether the write directory is set.
if((mode == love::FILE_APPEND || mode == love::FILE_WRITE) && (PHYSFS_getWriteDir() == 0))
if(!setupWriteDirectory())
return false;
switch(mode)
{
case love::FILE_READ:
file = PHYSFS_openRead(filename.c_str());
break;
case love::FILE_APPEND:
file = PHYSFS_openAppend(filename.c_str());
break;
case love::FILE_WRITE:
file = PHYSFS_openWrite(filename.c_str());
break;
}
return (file != 0);
}
void PhysFSLogFile::Open(const std::string& filename)
{
/*if (PHYSFS_exists(filename.c_str()))
m_Filename = filename.substr(0, filename.find_last_of('.')) + "-" + */
m_File = PHYSFS_openAppend(filename.c_str());
if (m_File != NULL)
{
m_StartingLength = PHYSFS_tell(m_File);
if (m_StartingLength > m_MaxLength)
{
PHYSFS_close(m_File);
m_File = NULL;
m_File = PHYSFS_openWrite(filename.c_str());
m_StartingLength = 0;
}
}
m_Open = m_File == NULL ? false : true;
m_CurrentLength = m_StartingLength;
m_SessionLength = 0;
m_Filename = filename;
}
bool File::open(Mode mode)
{
if(mode == CLOSED)
return true;
// File must exist if read mode.
if((mode == READ) && !PHYSFS_exists(filename.c_str()))
throw love::Exception("Could not open file %s. Does not exist.", filename.c_str());
// Check whether the write directory is set.
if((mode == APPEND || mode == WRITE) && (PHYSFS_getWriteDir() == 0) && !hack_setupWriteDirectory())
throw love::Exception("Could not set write directory.");
// File already open?
if(file != 0)
return false;
this->mode = mode;
switch(mode)
{
case READ:
file = PHYSFS_openRead(filename.c_str());
break;
case APPEND:
file = PHYSFS_openAppend(filename.c_str());
break;
case WRITE:
file = PHYSFS_openWrite(filename.c_str());
break;
default:
break;
}
return (file != 0);
}
PHYSFS_file *openAppend(const char *const filename)
{
return PHYSFS_openAppend(filename);
}
SDL_RWops *PHYSFSRWOPS_openAppend(const char *fname)
{
return create_rwops(PHYSFS_openAppend(fname));
} /* PHYSFSRWOPS_openAppend */
ex_file_t *ex_fsys_fopen_a ( const char *_filename ) {
return PHYSFS_openAppend(_filename);
}
