HDF5 C++ API Reference Manual

 

 

 

H5AtomType.h

Go to the documentation of this file.

// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * https://support.hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

// Class AtomType is a base class, from which IntType, FloatType, StrType,
// and PredType inherit.  It provides the services that are common to these
// subclasses.  It also inherits from DataType and passes down the
// services that are common to all the datatypes.

#ifndef _H5AtomType_H
#define _H5AtomType_H

#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif

class H5_DLLCPP AtomType : public DataType {
   public:
        // Returns the byte order of an atomic datatype.
        H5T_order_t getOrder() const;
        H5T_order_t getOrder( H5std_string& order_string ) const;

        // Sets the byte ordering of an atomic datatype.
        void setOrder( H5T_order_t order ) const;

        // Retrieves the bit offset of the first significant bit.
        // 12/05/00 - changed return type to int from size_t - C API
        int getOffset() const;

        // Sets the bit offset of the first significant bit.
        void setOffset( size_t offset ) const;

        // Retrieves the padding type of the least and most-significant bit padding.
        void getPad( H5T_pad_t& lsb, H5T_pad_t& msb ) const;

        // Sets the least and most-significant bits padding types
        void setPad( H5T_pad_t lsb, H5T_pad_t msb ) const;

        // Returns the precision of an atomic datatype.
        size_t getPrecision() const;

        // Sets the precision of an atomic datatype.
        void setPrecision( size_t precision ) const;

        // Sets the total size for an atomic datatype.
        void setSize( size_t size ) const;

        // Returns this class name
        virtual H5std_string fromClass () const { return("AtomType"); }

        // Copy constructor - makes copy of the original object
        AtomType( const AtomType& original );

        // Noop destructor
        virtual ~AtomType();

   protected:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
        // Default constructor
        AtomType();

        // Constructor that takes an existing id
        AtomType( const hid_t existing_id );
#endif // DOXYGEN_SHOULD_SKIP_THIS
};
#ifndef H5_NO_NAMESPACE
}
#endif
#endif

---