BNWriter.h

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 *   This file is part of the aGrUM/pyAgrum library.                        *
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 *   Copyright (c) 2005-2026 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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 *   SPDX-FileCopyrightText: Copyright 2005-2026                            *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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#ifndef GUM_BN_WRITER_H
#define GUM_BN_WRITER_H
 
#include <filesystem>
#include <iostream>
#include <string>
 
#include <agrum/agrum.h>
 
#include <agrum/BN/IBayesNet.h>
 
#include <string_view>
 
namespace gum {
  /* =========================================================================*/
  /* ===                              WRITERS === */
  /* =========================================================================*/
  template < GUM_Numeric GUM_SCALAR >
  class BNWriter {
    public:
    explicit BNWriter();

    virtual ~BNWriter();
 
    BNWriter(const BNWriter&)                = default;
    BNWriter(BNWriter&&) noexcept            = default;
    BNWriter& operator=(const BNWriter&)     = default;
    BNWriter& operator=(BNWriter&&) noexcept = default;
 

    void write(std::ostream& output, IBayesNet< GUM_SCALAR >& bn);

    void write(std::string_view filePath, IBayesNet< GUM_SCALAR >& bn);
 
    GUM_NODISCARD bool isModificationAllowed() const;
    void               setAllowModification(bool am);
 
    std::string toString(const IBayesNet< GUM_SCALAR >& bn);
 
    protected:
    virtual void _doWrite(std::ostream& output, const IBayesNet< GUM_SCALAR >& bn) = 0;

    virtual void _doWrite(std::string_view filePath, const IBayesNet< GUM_SCALAR >& bn) = 0;


    virtual void _syntacticalCheck(const IBayesNet< GUM_SCALAR >& bn);
 
    void        _validCharInNamesCheck(const IBayesNet< GUM_SCALAR >& bn);
    std::string _onlyValidCharsInName(std::string_view name);
    std::string _buildNameWithOnlyValidChars(std::string_view name);

 
    private:
    bool _allowModification_ = false;
  };
 
 
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
  extern template class BNWriter< double >;
#endif
} /* namespace gum */
 
#include <agrum/BN/io/BNWriter_tpl.h>
 
#endif   // GUM_BN_WRITER_H