//
//  Copyright (C) 2004-2006 Rational Discovery LLC
//
//   @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
#ifndef __FEATUREPARSER_H_02122004_1810__
#define __FEATUREPARSER_H_02122004_1810__

#include <iostream>
#include <string>
#include <map>
#include "MolChemicalFeatureDef.h"

namespace RDKit {
//! \brief class used to indicate errors in parsing feature definition
//!   files.
class FeatureFileParseException : public std::exception {
 public:
  FeatureFileParseException(unsigned int lineNo, std::string line,
                            std::string msg)
      : d_lineNo(lineNo), d_line(line), d_msg(msg){};
  unsigned int lineNo() const { return d_lineNo; };
  std::string line() const { return d_line; };
  std::string message() const { return d_msg; };
  ~FeatureFileParseException() throw(){};

 private:
  unsigned int d_lineNo;
  std::string d_line, d_msg;
};

int parseFeatureData(const std::string &defnText,
                     MolChemicalFeatureDef::CollectionType &featDefs);
int parseFeatureData(std::istream &istream,
                     MolChemicalFeatureDef::CollectionType &featDefs);
int parseFeatureFile(const std::string &fileName,
                     MolChemicalFeatureDef::CollectionType &featDefs);

namespace Local {
// these functions are exposed only so they can be tested
void parseAtomType(const std::string &inLine,
                   std::map<std::string, std::string> &atomTypeDefs,
                   const unsigned int &lineNo);
MolChemicalFeatureDef *parseFeatureDef(
    std::istream &inStream, const std::string &inLine, unsigned int &lineNo,
    const std::map<std::string, std::string> &atomTypeDefs);
}
}  // end of namespace RDKit
#endif
