DeSR Dependency Parser

src/TokenPath.cpp

/*
**  DeSR
**  src/TokenPath.cpp
** ----------------------------------------------------------------------
**  Copyright (c) 2008  Giuseppe Attardi (attardi@di.unipi.it).
** ----------------------------------------------------------------------
**
**  This file is part of DeSR.
**
**  DeSR is free software; you can redistribute it and/or modify it
**  under the terms of the GNU General Public License, version 3,
**  as published by the Free Software Foundation.
**
**  DeSR 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 General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
**  ----------------------------------------------------------------------
*/

#include "TokenPath.h"

// standard

using namespace std;

namespace Parser {

char const* const TokenPath::dirCode = "/\\^<>-+";

  char const* TokenPath::Names[] = {
    "leftChild",
    "rightChild",
    "parent",
    "leftSibling",
    "rightSibling",
    "prev",
    "next"
  };

int TokenPath::get(string& tok)
{
  char const** end = Names + sizeof(Names)/sizeof(char const*);
  for (char const** it = Names; it < end; it++)
    if (*it == tok)
      return (Direction)(it - Names);
  return -1;
}

char const* TokenPath::Code() const
{
  return code.c_str();
}

std::ostream& TokenPath::serialize(ostream& os) const
{
  int depth = 0;
  for (int i = 0; i < path.size(); i++) {
    os << Names[path[i]] << '(';
    depth++;
  }
  os << root;
  while (depth--)
    os << ')';
  return os;
}

} // namespace Parser

 

Copyright © 2005-2007 G. Attardi. Generated on 13 Aug 2009 by doxygen 1.5.7.1.