fmdpDatReader.h

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 *   Copyright (c) 2005-2026 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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// ======================================================================================================
#ifndef GUM_FMDP_DAT_READER_H
#define GUM_FMDP_DAT_READER_H
// ======================================================================================================
#include <fstream>
#include <iostream>
#include <string>
// ======================================================================================================
#include <agrum/FMDP/fmdpFactory.h>
#include <agrum/FMDP/io/fmdpReader.h>
// ======================================================================================================
// ======================================================================================================
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
// including coco-generated PARSER and SCANNER; GUM_COCOR_PUBLIC is locally
// forced to this module's own export macro so the grammar is tagged
// correctly even in a translation unit (e.g. gumTest) that does not define
// AGRUM_FMDP_EXPORTING.
#  pragma push_macro("GUM_COCOR_PUBLIC")
#  undef GUM_COCOR_PUBLIC
#  define GUM_COCOR_PUBLIC GUM_PUBLIC_FMDP
#  include <agrum/FMDP/io/dat/cocoR/Parser.h>
#  pragma pop_macro("GUM_COCOR_PUBLIC")
#endif   // DOXYGEN_SHOULD_SKIP_THIS
 
namespace gum {
  template < typename GUM_ELEMENT >
  class FMDPDatReader: public FMDPReader< GUM_ELEMENT > {
    public:
    FMDPDatReader(FMDP< GUM_ELEMENT >* fmdp, std::string_view filename);
    ~FMDPDatReader() override;

    MDPDAT::Scanner& scanner();

    const std::string& streamName() const;

    bool trace() const;
    void trace(bool b);

    Size proceed() override;


    Size errors();
    Size warnings();

    Idx errLine(Idx i);
    Idx errCol(Idx i);
    bool errIsError(Idx i);
    std::string errMsg(Idx i);

    void showElegantErrors(std::ostream& o = std::cerr);

    void showElegantErrorsAndWarnings(std::ostream& o = std::cerr);

    void showErrorCounts(std::ostream& o = std::cerr);
 
    protected:
    FMDP< GUM_ELEMENT >*        _fmdp_;
    FMDPFactory< GUM_ELEMENT >* _factory_;
    MDPDAT::Scanner*            _scanner_;
    MDPDAT::Parser*             _parser_;
 
    std::string _streamName_;
    bool        _traceScanning_;
    bool        _parseDone_;
 
    // a boolean to throw the ioerror not in the constructor but in the
    // proceed()
    bool _ioerror_;
  };
 
 
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
  extern template class FMDPDatReader< double >;
#endif
 
}   // namespace gum
 
#include <agrum/FMDP/io/dat/fmdpDatReader_tpl.h>
 
#endif   // GUM_FMDP_DAT_READER_H