169 lines
6.7 KiB
MQL5
169 lines
6.7 KiB
MQL5
#ifndef LIB_MQLPLUS_CONTAINER_TEMPLATES_MQH_INCLUDED
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#define LIB_MQLPLUS_CONTAINER_TEMPLATES_MQH_INCLUDED
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#property version "1.2";
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/**********************************************************************************
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* Copyright (C) 2010-2022 Dominik Egert <info@freie-netze.de>
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*
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* This file is the containers include file.
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*
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* MQLplus, including this file may not be copied and/or distributed
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* without explecit permit by the author.
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* Author Dominik Egert / Freie Netze UG.
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**********************************************************************************
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*
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* Version: 1.2
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* State: production
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*
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* File information
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* ================
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*
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*
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*
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*/
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#ifdef DBG_MSG_TRACE_FILE_LOADER
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DBG_MSG_TRACE_FILE_LOADER;
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#endif
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///////////////////////////////
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//
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// Include buffers
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//
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#include "lib_buffers.mqh"
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/*********************************************************************************************************************************************************/
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/* */
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/* MQLplus data structures */
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/* */
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/*********************************************************************************************************************************************************/
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///////////////////////////////////////
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//
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// Unordered container structure
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//
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template <typename T>
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struct object_container
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{
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protected:
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// Internal state
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buffer_filo<int> free_list;
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// Object database
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T _obj_db[];
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public:
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// Constructor
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object_container()
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{ };
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// Element functions
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T set(const int _obj_idx, const T& p_in) { _obj_db[_obj_idx] = p_in; return(_obj_db[_obj_idx]); }
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T clear(const int _obj_idx) { ::ZeroMemory(_obj_db[_obj_idx]); return(_obj_db[_obj_idx]); }
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bool remove(const int _obj_idx) { return((_obj_idx > -1) && (free_list.push(_obj_idx))); }
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int add(const T& p_in) { const int tmp = add(); _obj_db[tmp] = p_in; return(tmp); };
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int add()
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{
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const int arr_size = ::ArraySize(_obj_db);
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return((free_list.size() > NULL) ? free_list.pop() : (mqp_ArrayResize(_obj_db, arr_size + 1) - 1));
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};
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// Access operator
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T operator[](const int _obj_idx) const { return(_obj_db[_obj_idx]); };
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// Store handler functions
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int get_size() const { return(::ArraySize(_obj_db) - free_list.size()); };
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void free() { ::ArrayFree(_obj_db); free_list.reset(); };
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// Get container association
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bool associated(const ulong _obj_id) const { return(true); }
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};
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///////////////////////////////////////
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//
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// Unordered container structure
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// with unique object ID
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//
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template <typename T>
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struct object_container_uid : public object_container<T>
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{
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private:
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// Container ID
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const uint container_id;
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T null_obj;
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public:
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// Constructor
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object_container_uid() :
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container_id (__object_container_counter++)
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{ };
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// Element functions
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T set(const int _obj_idx, const T& p_in) { return(object_container<T>::set(_obj_idx, p_in)); }
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T clear(const int _obj_idx) { return(object_container<T>::clear(_obj_idx)); }
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bool remove(const int _obj_idx) { return(object_container<T>::remove(_obj_idx)); }
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T set(const ulong _obj_id, const T& p_in) { if(associated(_obj_id)) { _obj_db[(int)(_obj_id & 0x00000000FFFFFFFF)] = p_in; return(_obj_db[(int)(_obj_id & 0x00000000FFFFFFFF)]); } return(null_obj); }
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T clear(const ulong _obj_id) { if(associated(_obj_id)) { ::ZeroMemory(_obj_db[(int)(_obj_id & 0x00000000FFFFFFFF)]); return(_obj_db[(int)(_obj_id & 0x00000000FFFFFFFF)]); } return(null_obj); }
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bool remove(const ulong _obj_id) { int _obj_idx = (int)(_obj_id & 0x00000000FFFFFFFF); return(associated(_obj_id) && (free_list.push(_obj_idx))); }
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ulong add(const T& p_in) { const ulong tmp = add(); _obj_db[(int)(tmp & 0x00000000FFFFFFFF)] = p_in; return(tmp); }
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ulong add()
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{
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const int arr_size = ::ArraySize(_obj_db);
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return((ulong)((free_list.size() > NULL) ? free_list.pop() : (mqp_ArrayResize(_obj_db, arr_size + 1) - 1)) | ((ulong)container_id << 32));
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};
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// Access operator
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T operator[](const int _obj_idx) const { return(object_container<T>::operator[](_obj_idx)); }
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T operator[](const ulong _obj_id) const { if(associated(_obj_id)) { return(_obj_db[(int)(_obj_id & 0x00000000FFFFFFFF)]); } return(null_obj); }
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// Get container association
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bool associated(const ulong _obj_id) const { return(((int)(_obj_id & 0x00000000FFFFFFFF) > -1) && (_obj_id & 0xFFFFFFFF00000000) == ((ulong)container_id << 32)); }
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};
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// Initialize serial counter
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static uint __object_container_counter = NULL;
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//
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// END MQL data structures */
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//*********************************************************************************************************************************************************/
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#endif // LIB_MQLPLUS_CONTAINER_TEMPLATES_MQH_INCLUDED
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