PRMFactory.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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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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#ifndef GUM_PRM_FACTORY_H
#define GUM_PRM_FACTORY_H
 
#include <iostream>
#include <limits>
#include <sstream>
#include <string>
#include <vector>
 
#include <agrum/agrum.h>
 
#include <agrum/PRM/IPRMFactory.h>
 
#include <string_view>
 
namespace gum {
 
  namespace prm {
    // ==========================================================================
    template < GUM_Numeric GUM_SCALAR >
    class PRMFactory: public IPRMFactory {
      public:
      // ======================================================================
      // ======================================================================

      PRMFactory();

      PRMFactory(PRM< GUM_SCALAR >* prm);

      PRMFactory(const PRMFactory& from) = delete;

      PRMFactory& operator=(const PRMFactory& from) = delete;
      ~PRMFactory() override;

      // ========================================================================
      // ========================================================================

      PRM< GUM_SCALAR >* prm() const;

      PRMObject::prm_type currentType() const override;

      PRMObject*       getCurrent() override;
      const PRMObject* getCurrent() const override;

      PRMObject* closeCurrent() override;

      std::string currentPackage() const override;

      PRMClass< GUM_SCALAR >& retrieveClass(std::string_view name);

      PRMType& retrieveType(std::string_view name);
 
 
      /* @brief Retrieve the common PRMType of a vector of
       *PRMClassElement<GUM_SCALAR>.
       *
       * The vector elts must only contains PRMClassElement<GUM_SCALAR> with a
       *PRMType, i.e.
       * PRMAttribute<GUM_SCALAR>, PRMAggregate and PRMSlotChain<GUM_SCALAR>. If
       *not, a
       *WrongClassElement is
       * raised.
       *
       * A common PRMType is PRMType t such as
       *t.isSuperTypeOf(elts[i]) for
       * 0 < i < elts.size(), where elts is a PRMType container.
       *
       * @param elts A vector of PRMClassElement<GUM_SCALAR>.
       * @return the common super PRMType of all
       *PRMClassElement<GUM_SCALAR> un elts.
       *
       * @throw WrongClassElement Raised if elts contains a
       *PRMClassElement<GUM_SCALAR>
       *                          without a PRMType.
       * @throw NotFound Raised if there exists no common super type of all
       *                 PRMClassElement<GUM_SCALAR> in elts.
       */
      PRMType& retrieveCommonType(const std::vector< PRMClassElement< GUM_SCALAR >* >& elts);

      // ======================================================================
      // ======================================================================

      void pushPackage(std::string_view name) override;

      std::string popPackage() override;

      // ======================================================================
      // ======================================================================

      void addImport(std::string_view name) override;

      // ======================================================================
      // ======================================================================

      void startDiscreteType(std::string_view name, std::string_view super = "") override;

      void addLabel(std::string_view l, std::string_view ext = "") override;

      void endDiscreteType() override;

      void startDiscretizedType(std::string_view name) override;

      void addTick(double tick) override;

      void endDiscretizedType() override;

      void addRangeType(std::string_view name, long minVal, long maxVal) override;

      bool isClassOrInterface(std::string_view type) const override;
      bool isArrayInCurrentSystem(std::string_view name) const override;
 


      void startClass(std::string_view          c,
                      std::string_view          ext              = "",
                      const Set< std::string >* implements       = nullptr,
                      bool                      delayInheritance = false) override;

      void continueClass(std::string_view c) override;

      void endClass(bool checkImplementations = true) override;

      // ======================================================================
      // ======================================================================

      void startInterface(std::string_view i,
                          std::string_view ext              = "",
                          bool             delayInheritance = false) override;

      void continueInterface(std::string_view name) override;

      void addAttribute(std::string_view type, std::string_view name) override;

      void endInterface() override;

      // ======================================================================
      // ======================================================================

      virtual void addAttribute(PRMAttribute< GUM_SCALAR >* attr);

      void startAttribute(std::string_view type,
                          std::string_view name,
                          bool             scalar_atttr = false) override;

      void continueAttribute(std::string_view name) override;

      void addParent(std::string_view name) override;

      void setRawCPFByLines(const std::vector< GUM_SCALAR >& array);

      void setRawCPFByColumns(const std::vector< GUM_SCALAR >& array);

      virtual void setCPFByRule(const std::vector< std::string >& labels,
                                const std::vector< GUM_SCALAR >&  values);

      void setCPFByRule(const std::vector< std::string >& labels,
                        const std::vector< std::string >& values) override;

      void setRawCPFByFloatLines(const std::vector< float >& array) override;

      void setRawCPFByFloatColumns(const std::vector< float >& array) override;

      void setRawCPFByColumns(const std::vector< std::string >& array) override;

      void setRawCPFByLines(const std::vector< std::string >& array) override;

      void setCPFByFloatRule(const std::vector< std::string >& labels,
                             const std::vector< float >&       values) override;

      void endAttribute() override;

      // ======================================================================
      // ======================================================================

      void addParameter(std::string_view type, std::string_view name, double value) override;
      // ======================================================================
      // ======================================================================

      void addAggregator(std::string_view                  name,
                         std::string_view                  agg_type,
                         const std::vector< std::string >& chains,
                         const std::vector< std::string >& params,
                         std::string_view                  type = "") override;

      void startAggregator(std::string_view                  name,
                           std::string_view                  agg_type,
                           std::string_view                  rv_type,
                           const std::vector< std::string >& params);

      void continueAggregator(std::string_view name);
 

      void endAggregator();

      void addNoisyOrCompound(std::string_view                  name,
                              const std::vector< std::string >& chains,
                              const std::vector< float >&       numbers,
                              float                             leak,
                              const std::vector< std::string >& label) override;
      // ======================================================================
      // ======================================================================

      void addReferenceSlot(std::string_view type, std::string_view name, bool isArray) override;

      // ======================================================================
      // ======================================================================

      void startSystem(std::string_view name) override;

      void endSystem() override;

      void addInstance(std::string_view type, std::string_view name) override;

      void addInstance(std::string_view                        type,
                       std::string_view                        name,
                       const HashTable< std::string, double >& params) override;

      void addArray(std::string_view type, std::string_view name, Size size) override;

      void incArray(std::string_view l_i, std::string_view r_i) override;

      void setReferenceSlot(std::string_view left_instance,
                            std::string_view left_reference,
                            std::string_view right_instance) override;

      void setReferenceSlot(std::string_view l_i, std::string_view r_i) override;

 
      private:
      // TODELETE /// Decompose a string in v using dots ('.') as delimiters.
      // TODELETE void  _fill_sc_in_vector_(std::vector< std::string >& v,
      // TODELETE                                const std::string&          str);
 
      // ======================================================================
      // ======================================================================

      std::string _addPrefix_(std::string_view str) const;

      //                             current declaration.
      PRMObject* _checkStack_(Idx i, PRMObject::prm_type obj_type);
 
      PRMClassElement< GUM_SCALAR >*
          _checkStack_(Idx i, typename PRMClassElement< GUM_SCALAR >::ClassElementType obj_type);
 
      PRMClassElementContainer< GUM_SCALAR >* _checkStackContainter_(Idx i);

      // ======================================================================
      // ======================================================================

      PRMType* _retrieveType_(std::string_view name) const;

      PRMClass< GUM_SCALAR >* _retrieveClass_(std::string_view name) const;

      PRMInterface< GUM_SCALAR >* _retrieveInterface_(std::string_view name) const;

      // ======================================================================
      // ======================================================================

      PRMSlotChain< GUM_SCALAR >* _buildSlotChain_(PRMClassElementContainer< GUM_SCALAR >* start,
                                                   std::string_view                        name);

      bool _retrieveInputs_(PRMClass< GUM_SCALAR >*                        c,
                            const std::vector< std::string >&              chains,
                            std::vector< PRMClassElement< GUM_SCALAR >* >& inputs);

      //
      PRMType* _retrieveCommonType_(const std::vector< PRMClassElement< GUM_SCALAR >* >& elts);

      int _typeDepth_(const PRMType* t);

      void _checkInterfaceImplementation_(PRMClass< GUM_SCALAR >* c);

      void _addParent_(PRMClassElementContainer< GUM_SCALAR >* c,
                       PRMAttribute< GUM_SCALAR >*             agg,
                       std::string_view                        name);

      void _addParent_(PRMClass< GUM_SCALAR >*     c,
                       PRMAggregate< GUM_SCALAR >* agg,
                       std::string_view            name);
      // ======================================================================
      // ======================================================================

      void _addInstance_(PRMClass< GUM_SCALAR >* type, std::string_view name);
 
      // Builds all PRMSlotChain<GUM_SCALAR><PRMInstance<GUM_SCALAR>> in the
      // given model.
      // @throw OperationNotAllowed If reference slots are left un affected
      // ERROR? void  _buildSlotChains_(PRMSystem< GUM_SCALAR >* model);

      void _buildAggregateCPF_(PRMSystem< GUM_SCALAR >* model);

      void _instantiateSlotChain_(PRMSystem< GUM_SCALAR >*        model,
                                  PRMInstance< GUM_SCALAR >*      inst,
                                  PRMReferenceSlot< GUM_SCALAR >* ref,
                                  PRMSlotChain< GUM_SCALAR >*     sc);

      std::string _retrieveInstanceSequence_(PRMInstance< GUM_SCALAR >*              inst,
                                             Sequence< PRMInstance< GUM_SCALAR >* >& seq,
                                             PRMSlotChain< GUM_SCALAR >*             sc);

      // ======================================================================
      // ======================================================================

      std::vector< std::string > _packages_;

      std::vector< List< std::string >* > _namespaces_;

      PRM< GUM_SCALAR >* _prm_;

      std::vector< PRMObject* > _stack_;

      HashTable< PRMAggregate< GUM_SCALAR >*, std::vector< std::string > > _agg_params_;

    };
  } /* namespace prm */
} /* namespace gum */
 
#include <agrum/PRM/PRMFactory_tpl.h>
 
#endif /* GUM_PRM_FACTORY_H */