// 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef H5AtomType_H
#define H5AtomType_H

namespace H5 {

/*! \class AtomType
    \brief AtomType is a base class, inherited by IntType, FloatType,
     StrType, and PredType.

    AtomType provides operations on HDF5 atomic datatypes.  It also inherits
    from DataType.
*/
// Inheritance: DataType -> H5Object -> H5Location -> IdComponent
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;

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

#ifndef DOXYGEN_SHOULD_SKIP_THIS
    // Copy constructor: same as the original AtomType.
    AtomType(const AtomType &original);

    // Noop destructor
    virtual ~AtomType();
#endif // DOXYGEN_SHOULD_SKIP_THIS

  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

}; // end of AtomType
} // namespace H5

#endif // H5AtomType_H
