public static object GetObject(Hdf5Identifier _fileId, AbstractHdf5Object _parent, string _objectName)
{
Hdf5Path combinedPath = _parent.Path.Append(_objectName);
object output = null;
if (combinedPath != null)
{
string fullPath = combinedPath.FullPath;
H5O.info_t gInfo = new H5O.info_t();
H5O.get_info_by_name(_fileId.Value, fullPath, ref gInfo);
var id = H5O.open(_fileId.Value, fullPath).ToId();
if (id.Value > 0)
{
if (gInfo.type == H5O.type_t.DATASET)
{
output = DatasetHelper.LoadDataset(_fileId, id, fullPath);
}
if (gInfo.type == H5O.type_t.GROUP)
{
Hdf5Group group = new Hdf5Group(_fileId, id, fullPath);
group.FileId = _fileId;
group.LoadChildObjects();
output = group;
}
H5O.close(id.Value);
}
}
return(output);
}
public static bool GroupExists(hid_t groupId, string groupName)
{
H5O.info_t info = new H5O.info_t();
var gid = H5O.get_info_by_name(groupId, groupName, ref info, H5P.DEFAULT);
return(gid == 0);
}
public void H5Oget_info_by_nameTest2()
{
H5O.info_t info = new H5O.info_t();
Assert.IsFalse(
H5O.get_info_by_name(Utilities.RandomInvalidHandle(), ".",
ref info) >= 0);
}
protected Dictionary <string, long> FindChildren(bool dataSets)
{
Dictionary <string, long> datasetNames = new Dictionary <string, long>();
Dictionary <string, long> groupNames = new Dictionary <string, long>();
var rootID = Open();
ulong dummy = 0;
H5L.iterate(rootID, H5.index_t.NAME, H5.iter_order_t.INC, ref dummy, new H5L.iterate_t(
delegate(long objectId, IntPtr namePtr, ref H5L.info_t info, IntPtr op_data)
{
string objectName = Marshal.PtrToStringAnsi(namePtr);
H5O.info_t gInfo = new H5O.info_t();
H5O.get_info_by_name(objectId, objectName, ref gInfo);
if (gInfo.type == H5O.type_t.DATASET)
{
datasetNames[objectName] = objectId;
}
else if (gInfo.type == H5O.type_t.GROUP)
{
groupNames[objectName] = objectId;
}
return(0);
}), new IntPtr());
H5G.close(rootID);
if (dataSets)
{
return(datasetNames);
}
return(groupNames);
}
private string[] CollectObjects(H5O.type_t type)
{
const int CONTINUE = 0;
int status;
List <string> rv = new List <string>();
// the callback function, called for each item in the iteration
#if HDF5_VER1_10
H5L.iterate_t op_fun = (long loc, IntPtr name, ref H5L.info_t info, IntPtr op_data) =>
#else
H5L.iterate_t op_fun = (int loc, IntPtr name, ref H5L.info_t info, IntPtr op_data) =>
#endif
{
H5O.info_t oinfo = new H5O.info_t();
var bname = Marshal.PtrToStringAnsi(name);
if ((status = H5O.get_info_by_name(loc, bname, ref oinfo, H5P.DEFAULT)) < 0)
{
return(status);
}
if (oinfo.type == type)
{
rv.Add(bname);
}
return(CONTINUE);
};
ulong tracking_index = 0;
if ((status = H5L.iterate(ID, H5.index_t.NAME, H5.iter_order_t.NATIVE, ref tracking_index, op_fun, IntPtr.Zero)) < 0)
{
throw new H5LibraryException($"H5Literate() returned {status}");
}
return(rv.ToArray());
}
public void H5Oget_info_by_nameTest1()
{
Assert.IsTrue(
H5G.close(H5G.create(m_v0_test_file, "A/B/C", m_lcpl)) >= 0);
H5O.info_t info = new H5O.info_t();
Assert.IsTrue(
H5O.get_info_by_name(m_v0_test_file, "A/B", ref info) >= 0);
Assert.IsTrue(info.type == H5O.type_t.GROUP);
Assert.IsTrue(
H5G.close(H5G.create(m_v2_test_file, "A/B/C", m_lcpl)) >= 0);
info = new H5O.info_t();
Assert.IsTrue(
H5O.get_info_by_name(m_v2_test_file, "A/B", ref info) >= 0);
Assert.IsTrue(info.type == H5O.type_t.GROUP);
}
private void GetGroupDatasetNames(string groupName)
{
ulong pos = 0;
List <string> groupNames = new List <string>();
Int32 groupId = H5G.open(_h5FileId, groupName);
if (groupId > 0)
{
ArrayList al = new ArrayList();
GCHandle hnd = GCHandle.Alloc(al);
IntPtr op_data = (IntPtr)hnd;
H5L.iterate(groupId, H5.index_t.NAME, H5.iter_order_t.NATIVE, ref pos,
delegate(int _objectId, IntPtr _namePtr, ref H5L.info_t _info, IntPtr _data)
{
string objectName = Marshal.PtrToStringAnsi(_namePtr);
groupNames.Add(objectName);
return(0);
}, op_data);
hnd.Free();
H5G.close(groupId);
foreach (var itemName in groupNames)
{
//判断是不是数据集
string curPath = string.Empty;
if (groupName == "/")
{
curPath = itemName;
}
else
{
curPath = groupName + itemName;
}
H5O.info_t gInfo = new H5O.info_t();
H5O.get_info_by_name(_h5FileId, curPath, ref gInfo);
var objId = H5O.open(_h5FileId, curPath);
if (objId > 0)
{
if (gInfo.type == H5O.type_t.DATASET)
{
_datasetNames.Add(curPath);
}
if (gInfo.type == H5O.type_t.GROUP)
{
GetGroupDatasetNames(curPath + "/");
}
H5O.close(objId);
}
}
}
// H5GroupId h5GroupId = H5G.open(_h5FileId, groupName);
//try
//{
// long dscount = H5G.getNumObjects(h5GroupId);
// for (int i = 0; i < dscount; i++)
// {
// string objname = H5G.getObjectNameByIndex(h5GroupId, (ulong)i);
// ObjectInfo objInfo = H5G.getObjectInfo(h5GroupId, objname, false);
// switch (objInfo.objectType)
// {
// case H5GType.DATASET:
// if (objInfo.objectType == H5GType.DATASET)
// {
// if (groupName == "/")
// _datasetNames.Add(objname);
// else
// _datasetNames.Add(groupName + objname);
// }
// break;
// case H5GType.GROUP:
// if (groupName == "/")
// GetGroupDatasetNames(objname + "/");
// else
// GetGroupDatasetNames(groupName + objname + "/");
// break;
// case H5GType.LINK:
// break;
// case H5GType.TYPE:
// break;
// default:
// break;
// }
// }
//}
//finally
//{
// if (h5GroupId != null)
// H5G.close(h5GroupId);
//}
}