MQLplus/lib_structures/nodes/lib_base_obj_node.mqh

#ifndef LIB_MQLPLUS_BASE_OBJECT_NODE_MQH_INCLUDED
#define LIB_MQLPLUS_BASE_OBJECT_NODE_MQH_INCLUDED
#property version "1.0";
/**********************************************************************************
 * Copyright (C) 2010-2022 Dominik Egert <info@freie-netze.de>
 *
 * This file is the objects include file.
 *
 * MQLplus, including this file may not be copied and/or distributed
 * without explecit permit by the author.
 * Author Dominik Egert / Freie Netze UG.
 **********************************************************************************
 *
 *  Version: 1.0
 *  State: production
 *
 *  File information
 *  ================
 *
 *
 *
*/
#ifdef DBG_MSG_TRACE_FILE_LOADER
    DBG_MSG_TRACE_FILE_LOADER;

#endif



/*********************************************************************************************************************************************************/
/*                                                                                                                                                       */
/* MQLplus data structures                                                                                                                               */
/*                                                                                                                                                       */
/*********************************************************************************************************************************************************/


    ///////////////////////////////////////
    //
    //  Object Node
    //

    // Base object

        template <typename USER_DATA, typename NODE_TYPE>
        class _object_node
        {
            public:
            // Local storage

                NODE_TYPE*   	_left;
                NODE_TYPE*		_right;
                USER_DATA    	this_obj;

            public:
            // Constructors / Destructor

                // Default constructor
                _object_node() :
                    _left     	(NULL),
                    _right      (NULL)
                { };

                // Copy constructor
                _object_node(const NODE_TYPE& p_in)
                {
                    _left 	= p_in._left;
                    _right  = p_in._right;
                };

                // Destructor
                ~_object_node()
                { };


            protected:
            // Element selector functions

                // First element
                NODE_TYPE* top()
                { return(left()); }

                NODE_TYPE* left()
                {
                    NODE_TYPE* ptr_obj = ::GetPointer(this);
                    while( (ptr_obj._left != NULL)
                        && (!_StopFlag) )
                    { ptr_obj = ptr_obj._left; }

                    // Return
                    return(ptr_obj);
                }

                // Last element
                NODE_TYPE* bottom()
                { return(right()); }

                NODE_TYPE* right()
                {
                    NODE_TYPE* ptr_obj = ::GetPointer(this);
                    while( (ptr_obj._right != NULL)
                        && (!_StopFlag) )
                    { ptr_obj = ptr_obj._right; }

                    // Return
                    return(ptr_obj);
                }


            public:
            // Element operations

                // Get size
                const int size()
                {
                    int count = NULL;
                    NODE_TYPE* ptr_obj = left();
                    while( (ptr_obj != NULL)
                        && (!_StopFlag) )
                    {
                        ptr_obj = ptr_obj._right;
                        count++;
                    }

                    // Return
                    return(count);
                };


            // Assignment operator

                // Assignment operator
                void operator=(const NODE_TYPE& p_in)
                {
                    _left       = p_in._left;
                    _right      = p_in._right;
                };

                void operator=(NODE_TYPE* p_in)
                {
                    _left       = p_in._left;
                    _right      = p_in._right;
                };

				// Value assignment
                USER_DATA operator=(USER_DATA& p_in)
                {
                    this_obj = p_in;
                    return(this_obj);
                };
        };


//
// END MQL data structures                                                                                                                                */
//*********************************************************************************************************************************************************/
#endif // LIB_MQLPLUS_BASE_OBJECT_NODE_MQH_INCLUDED