// 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://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef __H5StrType_H
#define __H5StrType_H

namespace H5 {

/*! \class StrType
    \brief StrType is a derivative of a DataType and operates on HDF5
    string datatype.
*/
//  Inheritance: AtomType -> DataType -> H5Object -> H5Location -> IdComponent
class H5_DLLCPP StrType : public AtomType {
   public:
        // Creates a string type using a predefined type
        StrType(const PredType& pred_type);

        // Creates a string type with specified length - may be obsolete
        StrType(const PredType& pred_type, const size_t& size);

        // Creates a string type with specified length
        StrType(const int dummy, const size_t& size);

        // Gets the string datatype of the specified dataset
        StrType(const DataSet& dataset);

        // Constructors that open an HDF5 string datatype, given a location.
        StrType(const H5Location& loc, const char* name);
        StrType(const H5Location& loc, const H5std_string& name);

        // Returns an StrType object via DataType* by decoding the
        // binary object description of this type.
        virtual DataType* decode() const;

        // Retrieves the character set type of this string datatype.
        H5T_cset_t getCset() const;

        // Sets character set to be used.
        void setCset(H5T_cset_t cset) const;

        // Retrieves the string padding method for this string datatype.
        H5T_str_t getStrpad() const;

        // Defines the storage mechanism for character strings.
        void setStrpad(H5T_str_t strpad) const;

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

        // default constructor
        StrType();

        // Creates a string datatype using an existing id
        StrType(const hid_t existing_id);

        // Copy constructor: same as the original StrType.
        StrType(const StrType& original);

        // Noop destructor.
        virtual ~StrType();

}; // end of StrType
} // namespace H5

#endif // __H5StrType_H
