bool MountSystem::unmount(FileSystemRef fs)
{
if (fs.isNull())
return false;
// iterate back to front in case FS is in list multiple times.
// also check that fs is not null each time since its a strong ref
// so it could be nulled during removal.
bool unmounted = false;
for (S32 i = mMountList.size() - 1; !fs.isNull() && i >= 0; --i)
{
if (mMountList[i].fileSystem.getPointer() == fs.getPointer())
{
mMountList.erase(i);
unmounted = true;
}
}
return unmounted;
}
DirectoryRef MountSystem::createDirectory(const Path& path, FileSystemRef fs)
{
Path np = _normalize(path);
if (fs.isNull())
fs = _getFileSystemFromList(np);
if (fs && fs->isReadOnly())
{
_log(String::ToString("Cannot create directory %s, filesystem is read-only", path.getFullPath().c_str()));
return NULL;
}
if (fs != NULL)
return static_cast<Directory*>(fs->create(np,FileNode::Directory).getPointer());
return NULL;
}
bool MountSystem::isReadOnly(const Path& path)
{
// first check to see if filesystem is read only
FileSystemRef fs = getFileSystem(path);
if ( fs.isNull() )
// no filesystem owns this file...oh well, return false
return false;
if (fs->isReadOnly())
return true;
// check the file attributes, note that if the file does not exist,
// this function returns false. that should be ok since we know
// the file system is writable at this point.
FileNode::Attributes attr;
if (getFileAttributes(path,&attr))
return attr.flags & FileNode::ReadOnly;
return false;
}
bool MountSystem::isDirectory(const Path& path, FileSystemRef fsRef)
{
FileNode::Attributes attr;
if (fsRef.isNull())
{
if (getFileAttributes(path,&attr))
return attr.flags & FileNode::Directory;
return false;
}
else
{
FileNodeRef fnRef = fsRef->resolve(path);
if (fnRef.isNull())
return false;
FileNode::Attributes attr;
if (fnRef->getAttributes(&attr))
return attr.flags & FileNode::Directory;
return false;
}
}