// NoSplitDatasetSplitter.cxx

#include "dataset_split/NoSplitDatasetSplitter.h"
#include <iostream>
#include "dataset_util/XmlElement.h"
#include "dataset_util/DtdRegistry.h"

using std::ostream;
using std::auto_ptr;
using dset::Dataset;
using dset::DatasetList;
using dset::DatasetSplitter;
using dset::NoSplitDatasetSplitter;

//**********************************************************************
// Local definitions.
//**********************************************************************

namespace {

// Creator.
const DatasetSplitter* create(const XmlElement& ele) {
  assert( ele.name() == NoSplitDatasetSplitter::xml_name() );
  if ( ele.name() != NoSplitDatasetSplitter::xml_name() ) return 0;
  return new NoSplitDatasetSplitter;
}

// Register creator.
int NoSplitDatasetSplitter_xml_stat =
  DatasetSplitter::register_creator(
    NoSplitDatasetSplitter::xml_name(), create);

// Register the DTD.
DtdRegistry::Status NoSplitDatasetSplitter_dtd_stat =
  DtdRegistry::register_dtd<NoSplitDatasetSplitter>("dataset");

}  // end unnamed namespace.

//**********************************************************************
// Static member functions
//**********************************************************************

// DTD

const Text& NoSplitDatasetSplitter::dtd() {
  static Text txt;
  if ( txt.size() == 0 ) {
    txt.append("<!ELEMENT NoSplitDatasetSplitter EMPTY>");
  }
  return txt;
}

//**********************************************************************
// Member functions
//**********************************************************************

// Split.

DatasetList::size_type NoSplitDatasetSplitter::
split_and_append(const Dataset& dst, DatasetList& subdsts) const {
  subdsts.push_back(&dst);
  return 1;
}

//**********************************************************************

// Write to XML.

const XmlElement*  NoSplitDatasetSplitter::xml() const {
  auto_ptr<XmlElement>
    pele(new XmlElement(NoSplitDatasetSplitter::xml_name()));
  return pele.release();
}

//**********************************************************************

// Output stream.

ostream& NoSplitDatasetSplitter::ostr(std::ostream& str) const {
  str << "No split dataset splitter";
  return str;
}

//**********************************************************************