mosesdecoder/moses/src/Parameter.h

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// $Id$

/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 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
***********************************************************************/

#ifndef moses_Parameter_h
#define moses_Parameter_h

#include <string>
#include <map>
#include <vector>
#include "TypeDef.h"

namespace Moses
{

typedef std::vector<std::string>                                                PARAM_VEC;
typedef std::map<std::string, PARAM_VEC >       PARAM_MAP;
typedef std::map<std::string, bool>         PARAM_BOOL;
typedef std::map<std::string, std::string > PARAM_STRING;

class Parameter
{
protected:
  PARAM_MAP m_setting;
  PARAM_BOOL m_valid;
  PARAM_STRING m_abbreviation;
  PARAM_STRING m_description;

  std::string FindParam(const std::string &paramSwitch, int argc, char* argv[]);
  void OverwriteParam(const std::string &paramSwitch, const std::string &paramName, int argc, char* argv[]);
  bool ReadConfigFile(const std::string &filePath );
  bool FilesExist(const std::string &paramName, int fieldNo, std::vector<std::string> const& fileExtension=std::vector<std::string>(1,""));
  bool isOption(const char* token);
  bool Validate();

  void AddParam(const std::string &paramName, const std::string &description);
  void AddParam(const std::string &paramName, const std::string &abbrevName, const std::string &description);

  void PrintCredit();

public:
  Parameter();
  ~Parameter();
  bool LoadParam(int argc, char* argv[]);
  bool LoadParam(const std::string &filePath);
  void Explain();

  const PARAM_VEC &GetParam(const std::string &paramName) {
    return m_setting[paramName];
  }
  bool isParamSpecified(const std::string &paramName) {
    return  m_setting.find( paramName ) != m_setting.end();
  }

};

}

#endif

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