LinePlacement.cpp

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/*  Copyright (C) 2011-2011 National Institute For Space Research (INPE) - Brazil.

    This file is part of the TerraLib - a Framework for building GIS enabled applications.

    TerraLib 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 3 of the License,
    or (at your option) any later version.

    TerraLib 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 TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */

/*!
  \file terralib/serialization/se/LinePlacement.cpp
 
  \brief Support for LinePlacement serialization.
*/

// TerraLib
#include "../../se/LinePlacement.h"
#include "../../xml/Reader.h"
#include "../../xml/Writer.h"
#include "LinePlacement.h"
#include "ParameterValue.h"
#include "Utils.h"

// STL
#include <cassert>
#include <memory>

te::se::LinePlacement* te::serialize::ReadLinePlacement(te::xml::Reader& reader)
{
  assert(reader.getNodeType() == te::xml::START_ELEMENT);
  assert(reader.getElementLocalName() == "LinePlacement");

  reader.next();

  std::auto_ptr<te::se::LinePlacement> lp(new te::se::LinePlacement);

  // PerpendicularOffset
  if(reader.getElementLocalName() == "PerpendicularOffset")
  {
    reader.next();
    lp->setPerpendicularOffset(ReadParameterValue(reader));
  }

  // IsRepeated
  if(reader.getElementLocalName() == "IsRepeated")
  {
    reader.next();
    assert(reader.getNodeType() == te::xml::VALUE);
    bool isRepeated = reader.getElementValueAsBoolean();
    lp->setIsRepeated(isRepeated);
    reader.next();
  }

  // InitialGap
  if(reader.getElementLocalName() == "InitialGap")
  {
    reader.next();
    lp->setInitialGap(ReadParameterValue(reader));
  }

  // Gap
  if(reader.getElementLocalName() == "Gap")
  {
    reader.next();
    lp->setGap(ReadParameterValue(reader));
  }

  // IsAligned
  if(reader.getElementLocalName() == "IsAligned")
  {
    reader.next();
    assert(reader.getNodeType() == te::xml::VALUE);
    bool isAligned = reader.getElementValueAsBoolean();
    lp->setIsAligned(isAligned);
    reader.next();
  }

  // GeneralizeLine
  if(reader.getElementLocalName() == "GeneralizeLine")
  {
    reader.next();
    assert(reader.getNodeType() == te::xml::VALUE);
    bool generalizeLine = reader.getElementValueAsBoolean();
    lp->setGeneralizeLine(generalizeLine);
    reader.next();
  }

  assert(reader.getNodeType() == te::xml::END_ELEMENT);
  reader.next();

  return lp.release();
}

void te::serialize::Save(const te::se::LinePlacement* lp, te::xml::Writer& writer)
{
  if(lp == 0)
    return;

  writer.writeStartElement("se:LinePlacement");
  
  WriteParameterValuePtrHelper("se:PerpendicularOffset", lp->getPerpendicularOffset(), writer);

  std::string isRepeated;
  lp->isRepeated() ? isRepeated = "true" : isRepeated = "false";
  writer.writeElement("se:IsRepeated", isRepeated);

  WriteParameterValuePtrHelper("se:InitialGap", lp->getInitialGap(), writer);
  WriteParameterValuePtrHelper("se:Gap", lp->getGap(), writer);

  std::string isAligned;
  lp->isAligned() ? isAligned = "true" : isAligned = "false";
  writer.writeElement("se:IsAligned", isAligned);

  std::string generalizeLine;
  lp->getGeneralizeLine() ? generalizeLine = "true" : generalizeLine = "false";
  writer.writeElement("se:GeneralizeLine", generalizeLine);

  writer.writeEndElement("se:LinePlacement");
}