private object GetAttributeValue(int _h5FileId, string attributeName) { H5AttributeId attId = H5A.open(_h5FileId, attributeName); if (attId == 0) { return(null); } H5DataTypeId typeId = 0; H5DataTypeId dtId = 0; H5A.info_t attInfo = new H5A.info_t(); H5DataSpaceId spaceId = 0; H5DataTypeId oldTypeId = 0; object retObject = null; try { typeId = H5A.get_type(attId); H5A.get_info(attId, ref attInfo); dtId = H5A.get_type(attId); spaceId = H5A.get_space(attId); IntPtr dataSize = H5T.get_size(dtId); // oldTypeId = typeId; typeId = H5T.get_native_type(typeId, H5T.direction_t.DEFAULT); H5T.class_t typeClass = H5T.get_class(typeId); int ndims = H5S.get_simple_extent_ndims(spaceId); ulong[] dims = new ulong[ndims]; H5S.get_simple_extent_dims(spaceId, dims, null); ulong dimSize = 1; if (dims.Length == 0) { dimSize = 1; } else { foreach (ulong dim in dims) { dimSize *= dim; } } switch (typeClass) { case H5T.class_t.NO_CLASS: break; case H5T.class_t.INTEGER: // H5T.Sign.TWOS_COMPLEMENT; H5T.sign_t sign = H5T.get_sign(oldTypeId); switch (dataSize.ToInt32()) { case 1: retObject = ReadArray <byte>(dimSize, attId, typeId); break; case 2: switch (sign) { case H5T.sign_t.SGN_2: retObject = ReadArray <Int16>(dimSize, attId, typeId); break; case H5T.sign_t.NONE: retObject = ReadArray <UInt16>(dimSize, attId, typeId); break; } break; case 4: switch (sign) { case H5T.sign_t.SGN_2: retObject = ReadArray <Int32>(dimSize, attId, typeId); break; case H5T.sign_t.NONE: retObject = ReadArray <UInt32>(dimSize, attId, typeId); break; } break; case 8: switch (sign) { case H5T.sign_t.SGN_2: retObject = ReadArray <Int64>(dimSize, attId, typeId); break; case H5T.sign_t.NONE: retObject = ReadArray <UInt64>(dimSize, attId, typeId); break; } break; } break; case H5T.class_t.FLOAT: switch (dataSize.ToInt32()) { case 4: retObject = ReadArray <float>(dimSize, attId, typeId); break; case 8: retObject = ReadArray <double>(dimSize, attId, typeId); break; } break; case H5T.class_t.STRING: ulong size = attInfo.data_size; byte[] chars = ReadArray <byte>(size, attId, typeId); retObject = Encoding.ASCII.GetString(chars); break; default: break; } return(retObject); } finally { if (spaceId != 0) { H5S.close(spaceId); } if (attId != 0) { H5A.close(attId); } if (oldTypeId != 0) { H5T.close(oldTypeId); } if (typeId != 0) { H5T.close(typeId); } if (dtId != 0) { H5T.close(dtId); } } }
private string ReadBuffer(byte[] buffer, int offset, H5T.class_t typeClass, int typeId) { string result = string.Empty; IntPtr dataSize = H5T.get_size(typeId); H5T.order_t order = H5T.get_order(typeId); byte[] temp = new byte[dataSize.ToInt32()]; Array.Copy(buffer, offset, temp, 0, dataSize.ToInt32()); if (order == H5T.order_t.BE && typeClass != H5T.class_t.STRING) { Array.Reverse(temp); } switch (typeClass) { case H5T.class_t.NO_CLASS: break; case H5T.class_t.INTEGER: // H5T.Sign.TWOS_COMPLEMENT; H5T.sign_t sign = H5T.get_sign(typeId); switch (dataSize.ToInt32()) { case 1: result = ((double)BitConverter.ToChar(temp, 0)).ToString("G"); break; case 2: switch (sign) { case H5T.sign_t.SGN_2: result = ((double)BitConverter.ToInt16(temp, 0)).ToString("G"); break; case H5T.sign_t.NONE: result = ((double)BitConverter.ToUInt16(temp, 0)).ToString("G"); break; } break; case 4: switch (sign) { case H5T.sign_t.SGN_2: result = ((double)BitConverter.ToInt32(temp, 0)).ToString("G"); break; case H5T.sign_t.NONE: result = ((double)BitConverter.ToUInt32(temp, 0)).ToString("G"); break; } break; case 8: switch (sign) { case H5T.sign_t.SGN_2: result = ((double)BitConverter.ToInt64(temp, 0)).ToString("G"); break; case H5T.sign_t.NONE: result = ((double)BitConverter.ToUInt64(temp, 0)).ToString("G"); break; } break; } break; case H5T.class_t.FLOAT: switch (dataSize.ToInt32()) { case 4: { result = BitConverter.ToSingle(temp, 0).ToString("G"); break; } case 8: { result = BitConverter.ToDouble(temp, 0).ToString("G"); break; } } break; case H5T.class_t.STRING: { GCHandle handler = GCHandle.Alloc(temp, GCHandleType.Pinned); var str = Marshal.PtrToStringAnsi(handler.AddrOfPinnedObject()); handler.Free(); result = str; break; } default: break; } return(result); }
public static Hdf5DataType GetDataTypeByType(Hdf5Identifier _typeId) { var typeClass = H5T.get_class(_typeId.Value); var typeSize = (int)H5T.get_size(_typeId.Value); var typeSign = H5T.get_sign(_typeId.Value); var typeOrder = H5T.get_order(_typeId.Value); Hdf5DataType dt = new Hdf5DataType { Id = _typeId, Size = typeSize, }; if (typeOrder == H5T.order_t.BE) { dt.ByteOrder = Hdf5ByteOrder.BigEndian; } else if (typeOrder == H5T.order_t.LE) { dt.ByteOrder = Hdf5ByteOrder.LittleEndian; } else if (typeOrder == H5T.order_t.ONE) { dt.ByteOrder = Hdf5ByteOrder.None; } if (typeClass == H5T.class_t.INTEGER) { if (typeSign == H5T.sign_t.NONE) { if (typeSize == 1) { dt.Type = Hdf5DataTypes.UInt8; dt.NativeType = H5T.NATIVE_UINT8.ToId(); } else if (typeSize == 2) { dt.Type = Hdf5DataTypes.UInt16; dt.NativeType = H5T.NATIVE_UINT16.ToId(); } else if (typeSize == 4) { dt.Type = Hdf5DataTypes.UInt32; dt.NativeType = H5T.NATIVE_UINT32.ToId(); } else if (typeSize == 8) { dt.Type = Hdf5DataTypes.UInt64; dt.NativeType = H5T.NATIVE_UINT64.ToId(); } } else { if (typeSize == 1) { dt.Type = Hdf5DataTypes.Int8; dt.NativeType = H5T.NATIVE_INT8.ToId(); } else if (typeSize == 2) { dt.Type = Hdf5DataTypes.Int16; dt.NativeType = H5T.NATIVE_INT16.ToId(); } else if (typeSize == 4) { dt.Type = Hdf5DataTypes.Int32; dt.NativeType = H5T.NATIVE_INT32.ToId(); } else if (typeSize == 8) { dt.Type = Hdf5DataTypes.Int64; dt.NativeType = H5T.NATIVE_INT64.ToId(); } } } else if (typeClass == H5T.class_t.FLOAT) { if (typeSize == 4) { dt.Type = Hdf5DataTypes.Single; dt.NativeType = H5T.NATIVE_FLOAT.ToId(); } else if (typeSize == 8) { dt.Type = Hdf5DataTypes.Double; dt.NativeType = H5T.NATIVE_DOUBLE.ToId(); } } else if (typeClass == H5T.class_t.STRING) { dt.Type = Hdf5DataTypes.String; dt.NativeType = H5T.C_S1.ToId(); } return(dt); }