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// DapObj.h
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// -*- mode: c++; c-basic-offset:4 -*-
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// This file is part of libdap, A C++ implementation of the OPeNDAP Data
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// Access Protocol.
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// Copyright (c) 2002,2003 OPeNDAP, Inc.
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// Author: Patrick West <pwest@ucar.org>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
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// (c) COPYRIGHT URI/MIT 1994-1999
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// Please read the full copyright statement in the file COPYRIGHT_URI.
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//
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// Authors:
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// pwest Patrick West <pwest@ucar.edu>
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/** @brief top level DAP object to house generic methods
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*/
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#ifndef A_DapObj_h
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#define A_DapObj_h 1
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#include <iostream>
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using std::ostream ;
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using std::endl ;
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#include "DapIndent.h"
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namespace libdap
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{
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/** @brief libdap base object for common functionality of libdap objects
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*
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* A base object for any libdap objects to use. Provides simple
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* methods for dumping the contents of the object.
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*/
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class DapObj
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{
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public:
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virtual ~DapObj()
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{}
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/** @brief dump the contents of this object to the specified ostream
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*
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* This method is implemented by all derived classes to dump their
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* contents, in other words, any state they might have, private variables,
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* etc...
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*
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* @param strm C++ i/o stream to dump the object to
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*/
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virtual void dump(ostream &strm) const = 0 ;
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} ;
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} // namespace libdap
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/** @brief dump the contents of the specified object to the specified ostream
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*
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* This inline method uses the dump method of the DapObj instance passed
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* to it. This allows a user to dump the contents of an object instead of just
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* getting the pointer value of the object.
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*
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* @param strm C++ i/o stream to dump the object to
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* @param obj The DapObj to dump
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*/
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inline ostream &
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operator<<(ostream &strm, const libdap::DapObj &obj)
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{
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obj.dump(strm) ;
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return strm ;
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}
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#endif // A_DapObj_h
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