/usr/include/casacore/casa/HDF5/HDF5DataType.h is in casacore-dev 2.2.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | //# HDF5DataType.h: An class representing an HDF5 data type
//# Copyright (C) 2008
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#ifndef CASA_HDF5DATATYPE_H
#define CASA_HDF5DATATYPE_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/casa/HDF5/HDF5Object.h>
#include <casacore/casa/BasicSL/Complex.h>
#include <casacore/casa/BasicSL/String.h>
#include <casacore/casa/Utilities/DataType.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// A class representing an HDF5 data type.
// </summary>
// <use visibility=local>
// <reviewed reviewer="" date="" tests="tHDF5DataType.cc">
// </reviewed>
// <prerequisite>
// <li> <a href="http://hdf.ncsa.uiuc.edu">HDF5 system</a>
// </prerequisite>
// <synopsis>
// This class wraps the HDF5 functions to create a data type.
// It creates a data type for the datas in memory and for the file.
// </synopsis>
// <motivation>
// It was overkill to use the HDF5 C++ interface. Instead little wrappers
// have been written. HDF5DataType can be embedded in a shared pointer making
// it possible to share an HDF5 data type amongst various HDF5Array objects
// and close (i.e. destruct) the HDF5 data type object when needed.
// </motivation>
class HDF5DataType
{
public:
// Create an HDF5 datatype object for the given fixed length type.
// It uses the corresponding native HDF5 data type. Only for Bool it
// uses a uchar, because the HDF5 bool type is a uint.
// For the complex types it makes a compound HDF5 data type.
// The String type is meant for an array of strings.
// <group>
HDF5DataType (const Bool*);
HDF5DataType (const uChar*);
HDF5DataType (const Short*);
HDF5DataType (const uShort*);
HDF5DataType (const Int*);
HDF5DataType (const uInt*);
HDF5DataType (const Int64*);
HDF5DataType (const Float*);
HDF5DataType (const Double*);
HDF5DataType (const Complex*);
HDF5DataType (const DComplex*);
HDF5DataType (const String*);
// </group>
// Create an HDF5 datatype object for a scalar string.
// The length of the string is part of the type.
HDF5DataType (const String& value);
// Create an HDF5 datatype object for an empty array.
HDF5DataType (Int, Int);
// The destructor closes the HDF5 data type object.
~HDF5DataType();
// Get the Casacore data type for the given HDF5 data type.
static DataType getDataType (hid_t);
// Get the HID for the data type in memory.
hid_t getHidMem() const
{ return itsHidMem; }
// Get the HID for the data type in the file.
hid_t getHidFile() const
{ return itsHidFile; }
// Get the size in bytes of the data type.
// Note that the size of a string is variable, thus 0.
uInt size() const
{ return itsSize; }
private:
// Copy constructor cannot be used.
HDF5DataType (const HDF5DataType& that);
// Assignment cannot be used.
HDF5DataType& operator= (const HDF5DataType& that);
hid_t itsHidMem;
hid_t itsHidFile;
uInt itsSize;
};
}
#endif
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