// Copyright (C) 2010 National ICT Australia (NICTA)
// 
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
// -------------------------------------------------------------------
// 
// Written by Conrad Sanderson - http://conradsanderson.id.au


//! \addtogroup injector
//! @{



template<typename eT>
class mat_injector_row
  {
  public:
  
  inline      mat_injector_row();
  
  inline void insert(const eT val) const;
  
  mutable uword        n_cols;
  mutable podarray<eT> A;
  mutable podarray<eT> B;
  };



template<typename T1>
class mat_injector
  {
  public:
  
  typedef typename T1::elem_type elem_type;
  
  inline void  insert(const elem_type val) const;
  inline void  end_of_row()                const;
  inline      ~mat_injector();
  
  
  private:
  
  inline mat_injector(T1& in_X, const elem_type val);
  inline mat_injector(T1& in_X, const injector_end_of_row<>& x);
  
  T1&           X;
  mutable uword n_rows;
  
  mutable podarray< mat_injector_row<elem_type>* >* AA;
  mutable podarray< mat_injector_row<elem_type>* >* BB;
  
  friend class Mat<elem_type>;
  friend class Row<elem_type>;
  friend class Col<elem_type>;
  };



//



template<typename oT>
class field_injector_row
  {
  public:
  
  inline      field_injector_row();
  inline     ~field_injector_row();
  
  inline void insert(const oT& val) const;
  
  mutable uword      n_cols;
  mutable field<oT>* AA;
  mutable field<oT>* BB;
  };

  
  
template<typename T1>
class field_injector
  {
  public:
  
  typedef typename T1::object_type object_type;
  
  inline void  insert(const object_type& val) const;
  inline void  end_of_row()                   const;
  inline      ~field_injector();
  
  
  private:
  
  inline field_injector(T1& in_X, const object_type& val);
  inline field_injector(T1& in_X, const injector_end_of_row<>& x);
  
  T1&           X;
  mutable uword n_rows;
  
  mutable podarray< field_injector_row<object_type>* >* AA;
  mutable podarray< field_injector_row<object_type>* >* BB;
  
  friend class field<object_type>;
  };



//! @}