public void Load(string filename, DFACC dfacc)
{
sw.Start();
_filename = filename;
int file_id, sd_id;
try
{
_fileOpenState = false;
file_id = HDF4API.Hopen(filename, DFACC.DFACC_READ, 0);
HDF4API.Vstart(file_id);
//_gr_id = HDF4API.GRstart(file_id);
}
catch
{
string strErrInfo = "HDF4打开文件异常";
throw new Exception(strErrInfo);
}
_fileOpenState = true;
sd_id = HDF4Helper.SDstart(filename, HDF4Helper.AccessCodes.DFACC_READ);
if (sd_id == -1)
{
//打开失败
}
_file_id = file_id;
_sd_id = sd_id;
sw.Stop();
em = sw.ElapsedMilliseconds;
Console.WriteLine("打开" + em + "毫秒");
// load the file hierarchy
getRootGroup();
}
public HObject Get(string path)
{
//if (objList == null) {
// objList = new Vector();
//}
if (string.IsNullOrWhiteSpace(path))
{
return(null);
}
path = path.Replace('\\', '/');
if (!path.StartsWith("/"))
{
path = "/" + path;
}
string name = null, pPath = null;
bool isRoot = false;
if (path.Equals("/"))
{
name = "/"; // the root
isRoot = true;
}
else
{
if (path.EndsWith("/"))
{
path = path.Substring(0, path.Length - 2);
}
int idx = path.LastIndexOf('/');
name = path.Substring(idx + 1);
if (idx == 0)
{
pPath = "/";
}
else
{
pPath = path.Substring(0, idx);
}
}
HObject obj = null;
bool isReadOnly = false;
if (_file_id < 0)
{
_file_id = HDF4API.Hopen(_filename, DFACC.DFACC_WRITE, 0);
if (_file_id < 0)
{
isReadOnly = true;
_file_id = HDF4API.Hopen(_filename, DFACC.DFACC_READ, 0);
}
HDF4API.Vstart(_file_id);
//grid = HDF4API.GRstart(_file_id);
_sd_id = HDF4Helper.SDstart(_filename, HDF4Helper.AccessCodes.DFACC_READ);
}
//if (isRoot)
//{
// obj = getRootGroup();
//}
//else
//{
// obj = getAttachedObject(pPath, name);
//}
return(obj);
}
