/***********************************************************************
  Moses - factored phrase-based language decoder
  Copyright (C) 2009 University of Edinburgh

  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 ***********************************************************************/

#pragma once

#include <map>
#include <string>

namespace MosesTraining
{

/*! A node in a syntactic structure (tree, lattice, etc.).  SyntaxNodes have a
 *  label and a span plus an arbitrary set of name/value attributes.
 */
struct SyntaxNode {
  typedef std::map<std::string, std::string> AttributeMap;

  SyntaxNode(const std::string &label_, int start_, int end_)
    : label(label_)
    , start(start_)
    , end(end_) {
  }

  std::string label;
  int start;
  int end;
  AttributeMap attributes;
};

}  // namespace MosesTraining