Begin.h

#ifndef UTIL_BEGIN_H
#define UTIL_BEGIN_H
 
/*
* Util Package - C++ Utilities for Scientific Computation
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
#include <util/param/ParamComponent.h>
#include <util/param/Label.h>
 
#include <string>
 
namespace Util
{
 
   class Begin : public ParamComponent
   {
 
   public:
 
      Begin(const char* label, bool isRequired = true);
 
      // Default destructor.
 
      virtual void readParam(std::istream &in);
 
      virtual void writeParam(std::ostream &out) const;
 
      bool isRequired() const;
 
      bool isActive() const;
 
      virtual void resetParam();
 
   private:
 
      Label label_;
 
      bool isActive_;
 
   };
 
   /*
   * Is this the beginning line for a required element?
   */
   inline bool Begin::isRequired() const
   {  return label_.isRequired(); }
 
   /*
   * Is this element active (has it been read from file)?
   */
   inline bool Begin::isActive() const
   {  return isActive_; }
 
} 
#endif