/// <summary>
/// 得到所有文件属性名，未对异常进行处理
/// </summary>
private void getFileAttributeNames()
{
H5GroupId groupId = H5G.open(_fileId, "/");
int attCount = H5A.getNumberOfAttributes(groupId);
for (int ii = 0; ii < attCount; ++ii)
{
String attName = H5A.getNameByIndex(groupId, "/", H5IndexType.NAME, H5IterationOrder.NATIVE, (ulong)ii);
if (attName != null)
{
_fileAttributeNames.Add(attName);
}
}
if (groupId != null)
{
H5G.close(groupId);
}
}
public void GetHdfObjInfo(string groupName)
{
H5GroupId groupId = H5G.open(m_fileId, groupName);
H5LIterateCallback myDelegate;
myDelegate = Op_Func;
ulong linkNumber = 0;
int attriNum = H5A.getNumberOfAttributes(groupId);
for (int i = 0; i < attriNum; i++)
{
string attriName = H5A.getNameByIndex(groupId, groupName, H5IndexType.CRT_ORDER, H5IterationOrder.NATIVE, (ulong)i);
OnHdfObjInfoFound(attriName, HdfObjectType.Attribute, groupName);
}
H5L.iterate(groupId, H5IndexType.NAME, H5IterationOrder.NATIVE, ref linkNumber, myDelegate, groupName);
H5G.close(groupId);
}
/// <summary>
/// 得到个顶数据集的所有属性值，未对异常进行处理
/// </summary>
/// <param name="datasetName"></param>
/// <returns></returns>
public Dictionary <String, String> GetDatasetAttributes(String datasetName)
{
Dictionary <String, String> attributeValues = new Dictionary <String, String>();
if (!String.IsNullOrEmpty(datasetName) && _datasetNames.Contains(datasetName))
{
H5DataSetId datasetId = H5D.open(_fileId, datasetName);
if (datasetId != null)
{
int attributeCount = H5A.getNumberOfAttributes(datasetId);
for (int ii = 0; ii < attributeCount; ++ii)
{
String attributeName = H5A.getNameByIndex(datasetId, "/" + datasetName, H5IndexType.NAME,
H5IterationOrder.NATIVE, (ulong)ii);
attributeValues.Add(attributeName, getAttributeValue(datasetId, attributeName));
}
H5D.close(datasetId);
}
}
return(attributeValues);
}
private void GetAllFileAttributes()
{
H5GroupId h5GroupId = H5G.open(_h5FileId, "/");
try
{
int attCount = H5A.getNumberOfAttributes(h5GroupId);
for (int i = 0; i < attCount; i++)
{
string attName = H5A.getNameByIndex(h5GroupId, "/", H5IndexType.NAME, H5IterationOrder.NATIVE, (ulong)i);
if (attName != null)
{
_allFileAttributes.Add(attName);
}
}
}
finally
{
if (h5GroupId != null)
{
H5G.close(h5GroupId);
}
}
}
public Dictionary <string, string> GetAttributes(string datasetName)
{
if (string.IsNullOrEmpty(datasetName) || !_datasetNames.Contains(datasetName))
{
return(null);
}
H5DataSetId datasetId = null;
H5GroupId groupId = null;
H5DataTypeId typeId = null;
H5DataSpaceId spaceId = null;
//H5PropertyListId psId = null;
try
{
int groupIndex = datasetName.LastIndexOf('/');
if (groupIndex == -1)
{
datasetId = H5D.open(_h5FileId, datasetName);
}
else
{
string groupName = datasetName.Substring(0, groupIndex + 1);
string dsName = datasetName.Substring(groupIndex + 1);
groupId = H5G.open(_h5FileId, groupName);
datasetId = H5D.open(groupId, dsName);
}
if (datasetId == null)
{
return(null);
}
Dictionary <string, string> attValues = new Dictionary <string, string>();
typeId = H5D.getType(datasetId);
H5T.H5TClass type = H5T.getClass(typeId);
int tSize = H5T.getSize(typeId);
spaceId = H5D.getSpace(datasetId);
long[] dims = H5S.getSimpleExtentDims(spaceId);
long storageSize = H5D.getStorageSize(datasetId);
attValues.Add("DataSetName", datasetName);
attValues.Add("DataType", type.ToString());
attValues.Add("DataTypeSize", tSize.ToString() + "Byte");
attValues.Add("Dims", String.Join("*", dims));
attValues.Add("StorageSize", storageSize.ToString() + "Byte");
int attrCount = H5A.getNumberOfAttributes(datasetId);
for (int i = 0; i < attrCount; i++)
{
string attName = H5A.getNameByIndex(datasetId, "/" + datasetName, H5IndexType.NAME, H5IterationOrder.NATIVE, (ulong)i);
attValues.Add(attName, ReadAttributeValue(datasetId, attName));
}
return(attValues);
}
finally
{
if (spaceId != null)
{
H5S.close(spaceId);
}
if (typeId != null)
{
H5T.close(typeId);
}
if (datasetId != null)
{
H5D.close(datasetId);
}
if (groupId != null)
{
H5G.close(groupId);
}
}
}
