Teuchos_XMLParameterListReader.cpp

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// @HEADER
// ***********************************************************************
// 
//                    Teuchos: Common Tools Package
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// 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
// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
// 
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// @HEADER

#include "Teuchos_XMLParameterListReader.hpp" 
#include "Teuchos_TestForException.hpp"
#include "Teuchos_StrUtils.hpp"

using namespace Teuchos;

XMLParameterListReader::XMLParameterListReader()
{;}

ParameterList XMLParameterListReader::toParameterList(const XMLObject& xml) const
{
  TEST_FOR_EXCEPTION(xml.getTag() != "ParameterList", runtime_error,
                     "XMLParameterListReader expected tag ParameterList, found "
                     << xml.getTag());

  ParameterList rtn;

  for (int i=0; i<xml.numChildren(); i++)
    {
      XMLObject child = xml.getChild(i);

      TEST_FOR_EXCEPTION( (child.getTag() != "ParameterList" 
                           && child.getTag() != "Parameter"), 
                         runtime_error,
                         "XMLParameterListReader expected tag "
                         "ParameterList or Parameter, found "
                         << child.getTag());

      if (child.getTag()=="ParameterList")
        {
          const string& name = child.getRequired("name");

          ParameterList sublist = toParameterList(child);

          rtn.set(name, sublist);
        }
      else
        {
          const string& name = child.getRequired("name");
          const string& type = child.getRequired("type");
          
          bool isDefault = false;
          if (child.hasAttribute("isDefault")) 
            {
              isDefault = child.getRequiredBool("isDefault");
            }
          ParameterEntry entry;
          if (type=="double" || type=="float")
            {
              entry.setValue<double>(child.getRequiredDouble("value"), 
                                     isDefault);
            }
          else if (type=="int")
            {
              entry.setValue<int>(child.getRequiredInt("value"), 
                                  isDefault);
            }
          else if (type=="bool")
            {
              entry.setValue<bool>(child.getRequiredBool("value"), 
                                   isDefault);
            }
          else if (type=="string")
            {
              entry.setValue<string>(child.getRequired("value"), 
                                   isDefault);
            }
          else 
            {
              entry.setValue<string>(child.getRequired("value"), 
                                   isDefault);
            }
          rtn.setEntry(name, entry);
        }
                         
    }

  return rtn;
                     
}

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