Teuchos_XMLParameterListCoreHelpers.cpp

// @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.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER


#include "Teuchos_XMLParameterListCoreHelpers.hpp"
#include "Teuchos_FileInputSource.hpp"
#include "Teuchos_StringInputSource.hpp"
#include "Teuchos_XMLParameterListReader.hpp"
#include "Teuchos_XMLParameterListWriter.hpp"
#include <fstream>

void Teuchos::updateParametersFromXmlFile(
  const std::string &xmlFileName,
  const Ptr<ParameterList> &paramList
  )
{
  XMLParameterListReader xmlPLReader;
  xmlPLReader.setAllowsDuplicateSublists( false );
  FileInputSource xmlFile(xmlFileName);
  XMLObject xmlParams = xmlFile.getObject();
  paramList->setParameters(xmlPLReader.toParameterList(xmlParams));
}


Teuchos::RCP<Teuchos::ParameterList>
Teuchos::getParametersFromXmlFile(const std::string &xmlFileName)
{
  RCP<ParameterList> pl = parameterList();
  updateParametersFromXmlFile(xmlFileName, pl.ptr());
  return pl;
}


Teuchos::RCP<Teuchos::ParameterList>
Teuchos::getParametersFromXmlFile(
  const std::string &xmlFileName,
  RCP<DependencySheet> depSheet)
{
  XMLParameterListReader xmlPLReader;
  xmlPLReader.setAllowsDuplicateSublists( false );
  FileInputSource xmlFile(xmlFileName);
  XMLObject xmlParams = xmlFile.getObject();
  return xmlPLReader.toParameterList(xmlParams, depSheet);
}


void Teuchos::updateParametersFromXmlString(
  const std::string &xmlStr,
  const Ptr<ParameterList> &paramList,
  bool overwrite
  )
{
  XMLParameterListReader xmlPLReader;
  xmlPLReader.setAllowsDuplicateSublists( false );
  StringInputSource xmlStrSrc(xmlStr);
  XMLObject xmlParams = xmlStrSrc.getObject();
  if(overwrite) paramList->setParameters(xmlPLReader.toParameterList(xmlParams));
  else paramList->setParametersNotAlreadySet(xmlPLReader.toParameterList(xmlParams));
}


Teuchos::RCP<Teuchos::ParameterList>
Teuchos::getParametersFromXmlString(const std::string &xmlStr)
{
  RCP<ParameterList> pl = parameterList();
  updateParametersFromXmlString(xmlStr, pl.ptr());
  return pl;
}


Teuchos::RCP<Teuchos::ParameterList>
Teuchos::getParametersFromXmlString(const std::string &xmlStr,
  RCP<DependencySheet> depSheet)
{
  XMLParameterListReader xmlPLReader;
  xmlPLReader.setAllowsDuplicateSublists( false );
  StringInputSource xmlStrSrc(xmlStr);
  XMLObject xmlParams = xmlStrSrc.getObject();
  return xmlPLReader.toParameterList(xmlParams, depSheet);
}


void Teuchos::writeParameterListToXmlOStream(
  const ParameterList &paramList,
  std::ostream &xmlOut,
  RCP<const DependencySheet> depSheet
  )
{
  XMLParameterListWriter plWriter;
  XMLObject xml = plWriter.toXML(paramList, depSheet);
  xmlOut << xml << std::endl;
}


void Teuchos::writeParameterListToXmlFile(
  const ParameterList &paramList,
  const std::string &xmlFileName,
  RCP<const DependencySheet> depSheet
  )
{
  std::ofstream ofs(xmlFileName.c_str());
  writeParameterListToXmlOStream(paramList,ofs, depSheet);
}