public Dictionary <string, string> GetAttributes()
{
if (!_readFileAttrs)
{
Dictionary <string, string> cacheAttrs = GlobalFileAttributeCache.GetFileAttributes(_fname);
if (cacheAttrs == null)
{
_readFileAttrs = true;
int id = HDF4Helper.SDstart(_fname, HDF4Helper.AccessCodes.DFACC_READ);
try
{
int dsCount = 0;
int attCount = 0;
HDF4Helper.SDfileinfo(id, out dsCount, out attCount);
if (attCount == 0)
{
return(null);
}
_fileAttrs = GetAttributes(id, attCount);
GlobalFileAttributeCache.SetFileAttributes(_fname, _fileAttrs);
}
finally
{
HDF4Helper.SDend(id);
}
}
else
{
_fileAttrs = cacheAttrs;
}
}
return(_fileAttrs);
}