HTMLBooleanElement.h

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/* -*-c++-*- */
/*
 *  $Id: HTMLBooleanElement.h,v 1.5 2003/07/17 05:16:03 sbooth Exp $
 *
 *  Copyright (C) 1996 - 2003 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"

namespace cgicc {

  // ============================================================
  // Template for concrete boolean HTML element classes
  // ============================================================
  
  template<class Tag>
  class HTMLBooleanElement : public HTMLElement 
  {
  public:
    
    // ============================================================
    
    
    HTMLBooleanElement()
      : HTMLElement(0, 0, 0, eBoolean)
    {}
    
    HTMLBooleanElement(const std::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 std::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 cgicc::HTMLBooleanElement<Tag>::sState = false;
  
} // namespace cgicc

#endif /* ! _HTMLBOOLEANELEMENT_H_ */

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