gridparameter.hh

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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_DGF_GRIDPARAMETERBLOCK_HH
#define DUNE_DGF_GRIDPARAMETERBLOCK_HH
 
#include <iostream>
#include <string>
 
#include <dune/grid/io/file/dgfparser/blocks/basic.hh>
 
 
namespace Dune
{
 
  namespace dgf
  {
    class GridParameterBlock
      : public BasicBlock
    {
    public:
      typedef unsigned int Flags;
 
      static const Flags foundName = 1 << 0;
      static const Flags foundDumpFileName = 1 << 1;
      static const Flags foundLongestEdge = 1 << 5;
 
    protected:
      Flags foundFlags_; // supportFlags, this block was created with
      std::string name_; // name of the grid
      std::string dumpFileName_; // name of the grid
      bool markLongestEdge_; // Mark longest edge for AlbertaGrid
 
    private:
      // copy not implemented
      GridParameterBlock(const GridParameterBlock&);
 
    public:
      GridParameterBlock ( std::istream &in );
 
      const std::string &name ( const std::string &defaultValue ) const
      {
        if( (foundFlags_ & foundName) == 0 )
        {
          dwarn << "GridParameterBlock: Parameter 'name' not specified, "
                << "defaulting to '" << defaultValue << "'." << std::endl;
          return defaultValue;
        }
        else
          return name_;
      }
 
      const std::string &dumpFileName ( ) const
      {
        if( (foundFlags_ & foundDumpFileName) != 0 )
        {
          dwarn << "GridParameterBlock: found Parameter 'dumpfilename', "
                << "dumping file to `" << dumpFileName_ << "'" << std::endl;
        }
        return dumpFileName_;
      }
 
      bool markLongestEdge () const
      {
        if( (foundFlags_ & foundLongestEdge) == 0 )
        {
          dwarn << "GridParameterBlock: Parameter 'refinementedge' not specified, "
                << "defaulting to 'ARBITRARY'." << std::endl;
        }
        return markLongestEdge_;
      }
 
      // some information
      bool ok()
      {
        return true;
      }
    };
 
 
  } // end namespace dgf
 
} // end namespace Dune
 
#endif