public static string GetAttributeValue(H5ObjectWithAttributes objectWithAttributes, string name)
{
if (objectWithAttributes is null)
{
throw new ArgumentNullException(nameof(objectWithAttributes));
}
if (name is null)
{
throw new ArgumentNullException(nameof(name));
}
H5AttributeId h5AttributeId = H5A.open(objectWithAttributes, name);
H5DataTypeId h5DataTypeId = H5A.getType(h5AttributeId);
if (H5T.isVariableString(h5DataTypeId))
{
VariableLengthString[] variableLengthStrings = new VariableLengthString[1];
H5A.read(h5AttributeId, h5DataTypeId, new H5Array <VariableLengthString> (variableLengthStrings));
H5T.close(h5DataTypeId);
H5A.close(h5AttributeId);
return(variableLengthStrings[0].ToString());
}
byte[] bytes = new byte[H5T.getSize(h5DataTypeId)];
H5A.read(h5AttributeId, h5DataTypeId, new H5Array <byte> (bytes));
H5T.close(h5DataTypeId);
H5A.close(h5AttributeId);
return(Encoding.ASCII.GetString(bytes));
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, string value)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("Name must not be empty (or null)", "name");
}
if (string.IsNullOrEmpty(value))
{
throw new ArgumentException("Value must not be empty or null", "value");
}
H5DataTypeId dtype;
byte[] strdata = EncodeStringData(value, out dtype);
H5DataSpaceId spaceId = H5S.create(H5S.H5SClass.SCALAR);
H5AttributeId attributeId = H5A.create(target, name, dtype, spaceId);
H5A.write(attributeId, dtype, new H5Array <byte>(strdata));
H5A.close(attributeId);
H5T.close(dtype);
H5S.close(spaceId);
}
private static void WriteKeywords(H5ObjectWithAttributes objectID, ISet <string> keywords)
{
if (keywords.Count == 0)
{
return;
}
WriteAttribute(objectID, "keywords", string.Join(",", keywords));
}
private static H5AttributeId WriteStringAttribute(H5ObjectWithAttributes fileOrdatasetId, HDFAttributeDef hDFAttributeDef, H5DataSpaceId dataSpaceId, H5DataTypeId dataTypeId)
{
string attValue = Convert.ToString(hDFAttributeDef.Value);
int stringLength = attValue.Length;
H5T.setSize(dataTypeId, stringLength);
H5AttributeId attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
byte[] bs = Encoding.Default.GetBytes(attValue);
H5A.write(attributeId, dataTypeId, new H5Array <byte>(bs));
return(attributeId);
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, long value)
{
H5DataTypeId dtype = H5T.copy(H5T.H5Type.NATIVE_LLONG);
H5DataSpaceId spaceId = H5S.create(H5S.H5SClass.SCALAR);
H5AttributeId attributeId = H5A.create(target, name, dtype, spaceId);
H5A.write(attributeId, dtype, new H5Array <long>(new[] { value }));
H5A.close(attributeId);
H5T.close(dtype);
H5S.close(spaceId);
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, double[] value)
{
H5DataTypeId dtype = H5T.copy(H5T.H5Type.NATIVE_DOUBLE);
H5DataSpaceId spaceId = H5S.create_simple(1, new[] { value.LongCount() });
H5AttributeId attributeId = H5A.create(target, name, dtype, spaceId);
H5A.write(attributeId, dtype, new H5Array <double>(value));
H5A.close(attributeId);
H5T.close(dtype);
H5S.close(spaceId);
}
public static void close(H5ObjectWithAttributes oid)
{
if (oid is H5DataSetId)
{
H5D.close(oid as H5DataSetId);
}
else if (oid is H5GroupId)
{
H5G.close(oid as H5GroupId);
}
else
{
throw new ArgumentException();
}
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, long value)
{
H5DataTypeId dtype = H5T.copy(H5T.H5Type.NATIVE_LLONG);
H5DataSpaceId spaceId = H5S.create(H5S.H5SClass.SCALAR);
H5AttributeId attributeId = H5A.create(target, name, dtype, spaceId);
H5A.write(attributeId, dtype, new H5Array<long>(new[] { value }));
H5A.close(attributeId);
H5T.close(dtype);
H5S.close(spaceId);
}
public static void WriteHdfAttribute(H5ObjectWithAttributes fileOrdatasetId, HDFAttributeDef hDFAttributeDef)
{
H5DataSpaceId dataSpaceId = H5S.create_simple(1, new long[] { (long)hDFAttributeDef.Size });
H5DataTypeId dataTypeId = null;
H5AttributeId attributeId = null;
try
{
switch (Type.GetTypeCode(hDFAttributeDef.Type))
{
case TypeCode.Byte:
dataTypeId = H5T.copy(H5T.H5Type.STD_U8LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <byte> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.Char:
dataTypeId = H5T.copy(H5T.H5Type.STD_U8LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <char> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.Double:
//dataTypeId = H5T.copy(H5T.H5Type.IEEE_F64BE);
dataTypeId = H5T.copy(H5T.H5Type.IEEE_F64LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <double> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.Int16:
dataTypeId = H5T.copy(H5T.H5Type.STD_I16LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <Int16> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.Int32:
dataTypeId = H5T.copy(H5T.H5Type.STD_I32LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <Int32> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.Int64:
dataTypeId = H5T.copy(H5T.H5Type.STD_I64LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <Int64> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.Object:
dataTypeId = H5T.copy(H5T.H5Type.STD_REF_OBJ);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <object> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.Single:
dataTypeId = H5T.copy(H5T.H5Type.IEEE_F32LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <Single> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.String:
dataTypeId = H5T.copy(H5T.H5Type.C_S1);
dataSpaceId = H5S.create(H5S.H5SClass.SCALAR);
attributeId = WriteStringAttribute(fileOrdatasetId, hDFAttributeDef, dataSpaceId, dataTypeId);
break;
case TypeCode.UInt16:
dataTypeId = H5T.copy(H5T.H5Type.STD_U16LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <UInt16> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.UInt32:
dataTypeId = H5T.copy(H5T.H5Type.STD_U32LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <UInt32> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
case TypeCode.UInt64:
dataTypeId = H5T.copy(H5T.H5Type.STD_U64LE);
attributeId = H5A.create(fileOrdatasetId, hDFAttributeDef.Name, dataTypeId, dataSpaceId);
WriteTAttribute <UInt64> .WriteAttribute(hDFAttributeDef, dataTypeId, attributeId);
break;
}
}
catch (Exception ex)
{
int i = 9;
int j = i;
}
finally
{
if (attributeId != null)
{
H5A.close(attributeId);
}
}
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, decimal value)
{
WriteAttribute(target, name, (double)value);
}
/// <summary>
/// 得到指定属性集合中指定属性名的属性值，未对异常进行处理
/// </summary>
/// <param name="obj"></param>
/// <param name="attributeName"></param>
/// <returns></returns>
private String getAttributeValue(H5ObjectWithAttributes obj, String attributeName)
{
H5AttributeId attId = null;
attId = H5A.open(obj, attributeName);
if (attId == null)
{
return(null);
}
H5DataTypeId typeId = null;
H5DataTypeId dtId = null;
H5AttributeInfo attInfo = null;
H5DataSpaceId spaceId = null;
object attributeVal = null;
typeId = H5A.getType(attId);
attInfo = H5A.getInfo(attId);
dtId = H5A.getType(attId);
spaceId = H5A.getSpace(attId);
int dataSize = H5T.getSize(dtId);
typeId = H5T.getNativeType(typeId, H5T.Direction.DEFAULT);
H5T.H5TClass typeClass = H5T.getClass(typeId);
long[] dims = H5S.getSimpleExtentDims(spaceId);
if (dims.Length == 0)
{
dims = new long[1];
dims[0] = 1;
}
switch (typeClass)
{
case H5T.H5TClass.STRING:
long size = attInfo.dataSize;
byte[] chars = readAttribute <byte>(size, attId, typeId);
attributeVal = Encoding.ASCII.GetString(chars);
break;
case H5T.H5TClass.INTEGER:
H5T.Sign sign = H5T.Sign.TWOS_COMPLEMENT;
sign = H5T.getSign(typeId);
switch (dataSize)
{
case 1:
attributeVal = readAttribute <byte>(dims[0], attId, typeId);
break;
case 2:
switch (sign)
{
case H5T.Sign.TWOS_COMPLEMENT:
attributeVal = readAttribute <Int16>(dims[0], attId, typeId);
break;
case H5T.Sign.UNSIGNED:
attributeVal = readAttribute <UInt16>(dims[0], attId, typeId);
break;
}
break;
case 4:
switch (sign)
{
case H5T.Sign.TWOS_COMPLEMENT:
attributeVal = readAttribute <Int32>(dims[0], attId, typeId);
break;
case H5T.Sign.UNSIGNED:
attributeVal = readAttribute <UInt32>(dims[0], attId, typeId);
break;
}
break;
case 8:
switch (sign)
{
case H5T.Sign.TWOS_COMPLEMENT:
attributeVal = readAttribute <Int64>(dims[0], attId, typeId);
break;
case H5T.Sign.UNSIGNED:
attributeVal = readAttribute <UInt64>(dims[0], attId, typeId);
break;
}
break;
}
break;
case H5T.H5TClass.FLOAT:
switch (dataSize)
{
case 4:
attributeVal = readAttribute <float>(dims[0], attId, typeId);
break;
case 8:
attributeVal = readAttribute <double>(dims[0], attId, typeId);
break;
}
break;
}
if (spaceId != null)
{
H5S.close(spaceId);
}
if (attId != null)
{
H5A.close(attId);
}
if (typeId != null)
{
H5T.close(typeId);
}
if (dtId != null)
{
H5T.close(dtId);
}
return(arrayToString(attributeVal));
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, double value)
{
WriteAttribute(target, name, new[] { value });
}
internal HDF5Attribute(H5ObjectWithAttributes _parentObjectId, string _name)
{
m_ParentObjectId = _parentObjectId;
m_AttributeId = H5A.open(_parentObjectId, _name);
m_AttributeInfo = H5A.getInfo(m_AttributeId);
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, decimal value)
{
WriteAttribute(target, name, (double)value);
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, double[] value)
{
H5DataTypeId dtype = H5T.copy(H5T.H5Type.NATIVE_DOUBLE);
H5DataSpaceId spaceId = H5S.create_simple(1, new[] { value.LongCount() });
H5AttributeId attributeId = H5A.create(target, name, dtype, spaceId);
H5A.write(attributeId, dtype, new H5Array<double>(value));
H5A.close(attributeId);
H5T.close(dtype);
H5S.close(spaceId);
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, double value)
{
WriteAttribute(target, name, new[] {value});
}
private static void WriteAttribute(H5ObjectWithAttributes target, string name, string value)
{
if (string.IsNullOrEmpty(name))
throw new ArgumentException("Name must not be empty (or null)", "name");
if (string.IsNullOrEmpty(value))
throw new ArgumentException("Value must not be empty or null", "value");
H5DataTypeId dtype;
byte[] strdata = EncodeStringData(value, out dtype);
H5DataSpaceId spaceId = H5S.create(H5S.H5SClass.SCALAR);
H5AttributeId attributeId = H5A.create(target, name, dtype, spaceId);
H5A.write(attributeId, dtype, new H5Array<byte>(strdata));
H5A.close(attributeId);
H5T.close(dtype);
H5S.close(spaceId);
}
private static void WriteKeywords(H5ObjectWithAttributes objectID, ISet<string> keywords)
{
if (keywords.Count == 0)
return;
WriteAttribute(objectID, "keywords", string.Join(",", keywords));
}
//private string ArrayToString<T>(T[] v)
//{
// StringBuilder sb = new StringBuilder();
// //sb.Append("[");
// foreach (T t in v)
// {
// sb.Append(t.ToString());
// sb.Append(",");
// }
// if (sb.Length > 1)
// sb.Remove(sb.Length - 1, 1);
// //sb.Append("]");
// return sb.ToString();
//}
private object GetAttributeValue(H5ObjectWithAttributes obj, string attributeName)
{
H5AttributeId attId = null;
attId = H5A.open(obj, attributeName);
if (attId == null)
{
return(null);
}
H5DataTypeId typeId = null;
H5DataTypeId dtId = null;
H5AttributeInfo attInfo = null;
H5DataSpaceId spaceId = null;
H5DataTypeId oldTypeId = null;
object retObject = null;
try
{
typeId = H5A.getType(attId);
attInfo = H5A.getInfo(attId);
dtId = H5A.getType(attId);
spaceId = H5A.getSpace(attId);
int dataSize = H5T.getSize(dtId);
//
oldTypeId = typeId;
typeId = H5T.getNativeType(typeId, H5T.Direction.DEFAULT);
H5T.H5TClass typeClass = H5T.getClass(typeId);
long[] dims = H5S.getSimpleExtentDims(spaceId);
long dimSize = 1;
if (dims.Length == 0)
{
dimSize = 1;
}
else
{
foreach (long dim in dims)
{
dimSize *= dim;
}
}
switch (typeClass)
{
case H5T.H5TClass.STRING:
long size = attInfo.dataSize;
byte[] chars = ReadArray <byte>(size, attId, typeId);
retObject = Encoding.ASCII.GetString(chars);
break;
case H5T.H5TClass.INTEGER:
H5T.Sign sign = H5T.Sign.TWOS_COMPLEMENT;
sign = H5T.getSign(oldTypeId);
switch (dataSize)
{
case 1:
retObject = ReadArray <byte>(dimSize, attId, typeId);
break;
case 2:
switch (sign)
{
case H5T.Sign.TWOS_COMPLEMENT:
retObject = ReadArray <Int16>(dimSize, attId, typeId);
break;
case H5T.Sign.UNSIGNED:
retObject = ReadArray <UInt16>(dimSize, attId, typeId);
break;
}
break;
case 4:
switch (sign)
{
case H5T.Sign.TWOS_COMPLEMENT:
retObject = ReadArray <Int32>(dimSize, attId, typeId);
break;
case H5T.Sign.UNSIGNED:
retObject = ReadArray <UInt32>(dimSize, attId, typeId);
break;
}
break;
case 8:
switch (sign)
{
case H5T.Sign.TWOS_COMPLEMENT:
retObject = ReadArray <Int64>(dimSize, attId, typeId);
break;
case H5T.Sign.UNSIGNED:
retObject = ReadArray <UInt64>(dimSize, attId, typeId);
break;
}
break;
}
break;
case H5T.H5TClass.FLOAT:
switch (dataSize)
{
case 4:
retObject = ReadArray <float>(dimSize, attId, typeId);
break;
case 8:
retObject = ReadArray <double>(dimSize, attId, typeId);
break;
}
break;
}
return(retObject);
}
finally
{
if (spaceId != null)
{
H5S.close(spaceId);
}
if (attId != null)
{
H5A.close(attId);
}
if (oldTypeId != null)
{
H5T.close(oldTypeId);
}
if (typeId != null)
{
H5T.close(typeId);
}
if (dtId != null)
{
H5T.close(dtId);
}
}
}
private string ReadAttributeValue(H5ObjectWithAttributes obj, string attributeName)
{
object v = GetAttributeValue(obj, attributeName);
return(TryArrayToString(v));
}