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boxes_delta.h

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// Box Delta implementation -*- C++ -*-

// Copyright (C) 2001-2003 Hermann Schichl
//
// This file is part of the COCONUT API.  This library
// is free software; you can redistribute it and/or modify it under the
// terms of the Library GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library 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
// Library GNU General Public License for more details.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the Library GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the Library GNU General Public License.

#ifndef _BOXES_DELTA_H_
#define _BOXES_DELTA_H_

#include <api_delta.h>
#include <table_delta.h>

class boxes_delta : public table_delta
{
private:
  typedef table_delta _Base;

public:
  boxes_delta(bool _add=true) : _Base(_add ? "add box" : "exclusion box") {}

  boxes_delta(const dbt_row& _b, bool _add=true) :
         _Base(std::string(_add ? "add box" : "exclusion box"),
               std::string("box"), _b) {}

  boxes_delta(const std::vector<dbt_row>& _b, bool _add=true) :
         _Base(std::string(_add ? "add box" : "exclusion box"),
               std::string("box"), _b) {}

  boxes_delta(const boxes_delta& __d) : _Base(__d) {}

  boxes_delta* new_copy() const { return new boxes_delta(*this); }

  void destroy_copy(boxes_delta* __d) { delete __d; }

  void create_table(work_node& _x, vdbl::standard_table *&ptb,
                    const std::string& __t) const;

  bool apply(work_node& _x, undelta_base*& _u) const;
};

#endif /* _BOXES_DELTA_H_ */

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