fmdpDatReader_tpl.h

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/***************************************************************************
 *   Copyright (C) 2005 by Pierre-Henri WUILLEMIN et Christophe GONZALES   *
 *   {prenom.nom}_at_lip6.fr                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef DOXYGEN_SHOULD_SKIP_THIS

#  include <agrum/FMDP/io/dat/fmdpDatReader.h>

namespace gum {

  template < typename GUM_SCALAR >
  FMDPDatReader< GUM_SCALAR >::FMDPDatReader(FMDP< GUM_SCALAR >* fmdp,
                                             const std::string&  filename) :
      FMDPReader< GUM_SCALAR >(fmdp, filename) {
    GUM_CONSTRUCTOR(FMDPDatReader);

    __fmdp = fmdp;
    __streamName = filename;
    __parseDone = false;
    //    ddf->putOnNoVariableCheckMode();
    __factory = new FMDPFactory< GUM_SCALAR >(__fmdp);
    //~ __factory->setVerbose();
    __ioerror = false;

    try {
      __scanner = new MDPDAT::Scanner(__streamName.c_str());
      __parser = new MDPDAT::Parser(__scanner);
      __parser->setFactory((AbstractFMDPFactory*)__factory);
    } catch (IOError e) { __ioerror = true; }
  }

  template < typename GUM_SCALAR >
  FMDPDatReader< GUM_SCALAR >::~FMDPDatReader() {
    GUM_DESTRUCTOR(FMDPDatReader);

    if (!__ioerror) {
      // this could lead to memory leak !!
      if (__parser) delete (__parser);

      if (__scanner) delete (__scanner);
    }

    if (__factory) delete (__factory);
  }

  template < typename GUM_SCALAR >
  INLINE MDPDAT::Scanner& FMDPDatReader< GUM_SCALAR >::scanner() {
    if (__ioerror) { GUM_ERROR(gum::IOError, "No such file " + streamName()); }

    return *__scanner;
  }

  template < typename GUM_SCALAR >
  INLINE const std::string& FMDPDatReader< GUM_SCALAR >::streamName() const {
    return __streamName;
  }

  template < typename GUM_SCALAR >
  INLINE bool FMDPDatReader< GUM_SCALAR >::trace() const {
    return __traceScanning;
  }

  template < typename GUM_SCALAR >
  INLINE void FMDPDatReader< GUM_SCALAR >::trace(bool b) {
    __traceScanning = b;
    scanner().setTrace(b);
  }

  template < typename GUM_SCALAR >
  Size FMDPDatReader< GUM_SCALAR >::proceed() {
    if (__ioerror) { GUM_ERROR(gum::IOError, "No such file " + streamName()); }

    if (!__parseDone) {
      try {
        __parser->Parse();
        __parseDone = true;
      } catch (gum::Exception& e) {
        GUM_SHOWERROR(e);
        return 1 + __parser->errors().error_count;
      }
    }

    return (__parser->errors().error_count);
  }

  template < typename GUM_SCALAR >
  INLINE Idx FMDPDatReader< GUM_SCALAR >::errLine(Idx i) {
    if (__parseDone)
      return __parser->errors().error(i).line;
    else
      GUM_ERROR(OperationNotAllowed, "FMDPDat file not parsed yet");
  }

  template < typename GUM_SCALAR >
  INLINE Idx FMDPDatReader< GUM_SCALAR >::errCol(Idx i) {
    if (__parseDone)
      return __parser->errors().error(i).column;
    else
      GUM_ERROR(OperationNotAllowed, "FMDPDat file not parsed yet");
  }

  template < typename GUM_SCALAR >
  INLINE bool FMDPDatReader< GUM_SCALAR >::errIsError(Idx i) {
    if (__parseDone)
      return __parser->errors().error(i).is_error;
    else
      GUM_ERROR(OperationNotAllowed, "FMDPDat file not parsed yet");
  }

  template < typename GUM_SCALAR >
  INLINE std::string FMDPDatReader< GUM_SCALAR >::errMsg(Idx i) {
    if (__parseDone)
      return __parser->errors().error(i).msg;
    else
      GUM_ERROR(OperationNotAllowed, "FMDPDat file not parsed yet");
  }

  template < typename GUM_SCALAR >
  INLINE void FMDPDatReader< GUM_SCALAR >::showElegantErrors(std::ostream& o) {
    if (__parseDone)
      __parser->errors().elegantErrors(o);
    else
      GUM_ERROR(OperationNotAllowed, "FMDPDat file not parsed yet");
  }

  template < typename GUM_SCALAR >
  INLINE void
     FMDPDatReader< GUM_SCALAR >::showElegantErrorsAndWarnings(std::ostream& o) {
    if (__parseDone)
      __parser->errors().elegantErrorsAndWarnings(o);
    else
      GUM_ERROR(OperationNotAllowed, "FMDPDat file not parsed yet");
  }

  template < typename GUM_SCALAR >
  INLINE void FMDPDatReader< GUM_SCALAR >::showErrorCounts(std::ostream& o) {
    if (__parseDone)
      __parser->errors().syntheticResults(o);
    else
      GUM_ERROR(OperationNotAllowed, "FMDPDat file not parsed yet");
  }

  template < typename GUM_SCALAR >
  INLINE Size FMDPDatReader< GUM_SCALAR >::errors() {
    return (!__parseDone) ? (Size)0 : __parser->errors().error_count;
  }

  template < typename GUM_SCALAR >
  INLINE Size FMDPDatReader< GUM_SCALAR >::warnings() {
    return (!__parseDone) ? (Size)0 : __parser->errors().warning_count;
  }

}   // namespace gum

#endif   // DOXYGEN_SHOULD_SKIP_THIS