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HTMLBooleanElement.h

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/* -*-c++-*- */
/*
 *  $Id: HTMLBooleanElement.h,v 1.2 2002/03/06 02:49:55 sbooth Exp $
 *
 *  Copyright (C) 1996 - 2002 Stephen F. Booth
 *
 *  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
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _HTMLBOOLEANELEMENT_H_
#define _HTMLBOOLEANELEMENT_H_ 1

#include <new>

#include "cgicc/HTMLElement.h"

CGICC_BEGIN_NAMESPACE

// ============================================================
// Template for concrete boolean HTML element classes
// ============================================================

template<class Tag>
class HTMLBooleanElement : public HTMLElement 
{
public:

  // ============================================================
  

  HTMLBooleanElement()
    : HTMLElement(0, 0, 0, eBoolean)
  {}

  HTMLBooleanElement(const STDNS string& text)
    : HTMLElement(0, 0, &text, eBoolean)
  {}
  
  HTMLBooleanElement(const HTMLAttributeList& attributes)
    : HTMLElement(&attributes, 0, 0, eBoolean)
  {}
  
  HTMLBooleanElement(const HTMLElement& embedded)
    : HTMLElement(0, &embedded, 0, eBoolean)
  {}
  
  HTMLBooleanElement(const STDNS string& text, 
                        const HTMLAttributeList& attributes)
    : HTMLElement(&attributes, 0, &text, eBoolean)
  {}

  HTMLBooleanElement(const HTMLAttributeList& attributes, 
                        const HTMLElement& embed)
    : HTMLElement(&attributes, &embed, 0, eBoolean)
  {}

  virtual ~HTMLBooleanElement()
  {}

  // ============================================================

  virtual inline HTMLElement* 
  clone()                                       const
  { return new HTMLBooleanElement<Tag>(*this); }

  // ============================================================

  virtual inline const char*
  getName()                                     const
  { return Tag::getName(); }

  // ============================================================


  virtual inline void 
  swapState()                                   const
  { sState = ! sState; }
  
  virtual inline bool 
  getState()                                    const 
  { return sState; }
  
  static inline void 
  reset()
  { sState = false; }

private:
  static bool sState;
};

template<class Tag>
bool CGICCNS HTMLBooleanElement<Tag>::sState = false;

CGICC_END_NAMESPACE

#endif /* ! _HTMLBOOLEANELEMENT_H_ */

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