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// DapObj.h

// -*- mode: c++; c-basic-offset:4 -*-

// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.

// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: Patrick West <>
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 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
// Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.

// (c) COPYRIGHT URI/MIT 1994-1999
// Please read the full copyright statement in the file COPYRIGHT_URI.
// Authors:
//      pwest       Patrick West <>

/** @brief top level DAP object to house generic methods

#ifndef A_DapObj_h
#define A_DapObj_h 1

#include <iostream>

using std::ostream ;
using std::endl ;

#include "DapIndent.h"

namespace libdap

/** @brief libdap base object for common functionality of libdap objects
 * A base object for any libdap objects to use. Provides simple
 * methods for dumping the contents of the object.

class DapObj
    virtual  ~DapObj()

    /** @brief dump the contents of this object to the specified ostream
     * This method is implemented by all derived classes to dump their
     * contents, in other words, any state they might have, private variables,
     * etc...
     * @param strm C++ i/o stream to dump the object to
    virtual void dump(ostream &strm) const = 0 ;
} ;

} // namespace libdap

/** @brief dump the contents of the specified object to the specified ostream
 * This inline method uses the dump method of the DapObj instance passed
 * to it. This allows a user to dump the contents of an object instead of just
 * getting the pointer value of the object.
 * @param strm C++ i/o stream to dump the object to
 * @param obj The DapObj to dump
inline ostream &
operator<<(ostream &strm, const libdap::DapObj &obj)
    obj.dump(strm) ;
    return strm ;

#endif // A_DapObj_h