tpl_binNodeAux.H

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/*
                          Aleph_w
 
  Data structures & Algorithms
  version 2.0.0b
  https://github.com/lrleon/Aleph-w
 
  This file is part of Aleph-w library
 
  Copyright (c) 2002-2026 Leandro Rabindranath Leon
 
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
 
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
 
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
*/
 
 
# ifndef TPL_BINNODE_H
# define TPL_BINNODE_H
 
# include <ahDefs.H>
# include <ahAssert.H>
# include <ahNew.H>
 
 
# define CORPUS_BINNODE(name, height, Control_Data)                   \
    template <class Key>                                              \
class name : public Control_Data                                      \
{                                                                     \
public:                                                               \
                                                                      \
  static const size_t MaxHeight = height;                             \
                                                                      \
  static name * NullPtr;                                              \
                                                                      \
private:                                                              \
                                                                      \
  Key    key;                                                         \
  name * lLink;                                                       \
  name * rLink;                                                       \
                                                                      \
public:                                                               \
                                                                      \
  Key& get_key() { return key; }                                       \
                                                                      \
  name*& getL() { return lLink; }                                     \
                                                                      \
  name*& getR() { return rLink; }                                     \
                                                                      \
  name(const Key& k) : key(k), lLink(NullPtr), rLink(NullPtr)         \
  {                                                                   \
    /* Empty */                                                       \
  }                                                                   \
                                                                      \
  name(const Control_Data & control_data, const Key& k) :             \
    Control_Data(control_data),                                       \
    key(k), lLink(NullPtr), rLink(NullPtr)                            \
  {                                                                   \
    /* Empty */                                                       \
  }                                                                   \
                                                                      \
  name(const Control_Data & control_data) :                           \
    Control_Data(control_data),                                       \
    lLink(NullPtr), rLink(NullPtr)                                    \
  {                                                                   \
    /* Empty */                                                       \
  }                                                                   \
                                                                      \
  name() : lLink(NullPtr), rLink(NullPtr)                             \
  {                                                                   \
    /* Empty */                                                       \
  }                                                                   \
                                                                      \
  name(SentinelCtor) : Control_Data(sentinelCtor) { /* Empty */ }     \
                                                                      \
  void reset() { rLink = lLink = NullPtr; }
 
 
# define DECLARE_BINNODE(name, height, Control_Data) \
CORPUS_BINNODE(name, height, Control_Data)           \
};                                                   \
CORPUS_BINNODE(name##Vtl, height, Control_Data)      \
virtual ~name##Vtl() { /* empty */ }                 \
}
 
# define SET_BINNODE_nullptr_POINTER(ptr, name)                        \
template <class Key> name<Key> * name<Key>::NullPtr = ptr;          \
template <class Key> name##Vtl<Key> * name##Vtl<Key>::NullPtr = ptr
 
 
DECLARE_BINNODE(BinNode, 255, Aleph::Empty_Class);
 
SET_BINNODE_nullptr_POINTER(nullptr, BinNode);
 
 
# endif