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Chart.struct.h
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Chart.struct.h
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//+------------------------------------------------------------------+
//| EA31337 framework |
//| Copyright 2016-2023, EA31337 Ltd |
//| https://github.com/EA31337 |
//+------------------------------------------------------------------+
/*
* This file is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* @file
* Includes Chart's structs.
*/
#ifndef __MQL__
// Allows the preprocessor to include a header file when it is needed.
#pragma once
#endif
// Forward class declaration.
class Class;
// Includes.
#include "Array.mqh"
#include "Bar.struct.h"
#include "Chart.define.h"
#include "Chart.enum.h"
#include "Chart.struct.static.h"
#include "Chart.struct.tf.h"
#include "Serializer.mqh"
#include "Terminal.define.h"
/* Defines struct to store bar entries. */
struct ChartEntry {
BarEntry bar;
// Constructors.
ChartEntry() {}
ChartEntry(const BarEntry& _bar) { SetBar(_bar); }
// Getters.
BarEntry GetBar() { return bar; }
string ToCSV() { return StringFormat("%s", bar.ToCSV()); }
// Setters.
void SetBar(const BarEntry& _bar) { bar = _bar; }
// Serializers.
void SerializeStub(int _n1 = 1, int _n2 = 1, int _n3 = 1, int _n4 = 1, int _n5 = 1) {}
SerializerNodeType Serialize(Serializer& _s);
};
/* Defines struct for chart parameters. */
struct ChartParams {
long id;
string symbol;
ChartTf tf;
// Copy constructor.
ChartParams(ChartParams& _cparams) : symbol(_cparams.symbol), tf(_cparams.tf) {}
// Constructors.
ChartParams(ENUM_TIMEFRAMES _tf = PERIOD_CURRENT, string _symbol = NULL, long _id = 0)
: id(_id), symbol(_symbol), tf(_tf){};
ChartParams(ENUM_TIMEFRAMES_INDEX _tfi, string _symbol = NULL, long _id = 0) : id(_id), symbol(_symbol), tf(_tfi){};
// Getters.
template <typename T>
T Get(ENUM_CHART_PARAM _param) {
switch (_param) {
case CHART_PARAM_ID:
return (T)id;
case CHART_PARAM_SYMBOL:
return (T)symbol;
case CHART_PARAM_TF:
return (T)tf.GetTf();
case CHART_PARAM_TFI:
return (T)tf.GetIndex();
}
SetUserError(ERR_INVALID_PARAMETER);
return (T)WRONG_VALUE;
}
ChartTf GetChartTf() const { return tf; }
// ENUM_TIMEFRAMES GetTf() const { return tf.GetTf(); }
// ENUM_TIMEFRAMES_INDEX GetTfIndex() const { return tf.GetIndex(); }
// Setters.
template <typename T>
void Set(ENUM_CHART_PARAM _param, T _value) {
switch (_param) {
case CHART_PARAM_ID:
id = (long)_value;
return;
case CHART_PARAM_SYMBOL:
symbol = (string)_value;
return;
case CHART_PARAM_TF:
tf.SetTf((ENUM_TIMEFRAMES)_value);
return;
case CHART_PARAM_TFI:
tf.SetIndex((ENUM_TIMEFRAMES_INDEX)_value);
return;
}
SetUserError(ERR_INVALID_PARAMETER);
}
// Serializers.
SerializerNodeType Serialize(Serializer& s);
} chart_params_defaults(PERIOD_CURRENT, _Symbol);
/**
* Wrapper struct that returns close prices of each bar of the current chart.
*
* @see: https://docs.mql4.com/predefined/close
*/
struct ChartPriceClose {
string symbol;
ENUM_TIMEFRAMES tf;
ChartPriceClose() : symbol(_Symbol), tf(PERIOD_CURRENT) {}
double operator[](const int _shift) const { return Get(symbol, tf, _shift); }
static double Get(const string _symbol, const ENUM_TIMEFRAMES _tf, const int _shift) {
return ChartStatic::iClose(_symbol, _tf, _shift);
}
};
/**
* Wrapper struct that returns the highest prices of each bar of the current chart.
*
* @see: https://docs.mql4.com/predefined/high
*/
struct ChartPriceHigh {
string symbol;
ENUM_TIMEFRAMES tf;
ChartPriceHigh() : symbol(_Symbol), tf(PERIOD_CURRENT) {}
double operator[](const int _shift) const { return Get(symbol, tf, _shift); }
static double Get(const string _symbol, const ENUM_TIMEFRAMES _tf, const int _shift) {
return ChartStatic::iHigh(_symbol, _tf, _shift);
}
};
/**
* Wrapper struct that returns the lowest prices of each bar of the current chart.
*
* @see: https://docs.mql4.com/predefined/low
*/
struct ChartPriceLow {
string symbol;
ENUM_TIMEFRAMES tf;
ChartPriceLow() : symbol(_Symbol), tf(PERIOD_CURRENT) {}
double operator[](const int _shift) const { return Get(symbol, tf, _shift); }
static double Get(const string _symbol, const ENUM_TIMEFRAMES _tf, const int _shift) {
return ChartStatic::iLow(_symbol, _tf, _shift);
}
};
/**
* Wrapper struct that returns open prices of each bar of the current chart.
*
* @see: https://docs.mql4.com/predefined/open
*/
struct ChartPriceOpen {
string symbol;
ENUM_TIMEFRAMES tf;
ChartPriceOpen() : symbol(_Symbol), tf(PERIOD_CURRENT) {}
double operator[](const int _shift) const { return Get(symbol, tf, _shift); }
static double Get(const string _symbol, const ENUM_TIMEFRAMES _tf, const int _shift) {
return ChartStatic::iOpen(_symbol, _tf, _shift);
}
};
/**
* Wrapper struct that returns open time of each bar of the current chart.
*
* @see: https://docs.mql4.com/predefined/time
*/
struct ChartBarTime {
protected:
string symbol;
ENUM_TIMEFRAMES tf;
public:
ChartBarTime() : symbol(_Symbol), tf(PERIOD_CURRENT) {}
datetime operator[](const int _shift) const { return Get(symbol, tf, _shift); }
static datetime Get(const string _symbol, const ENUM_TIMEFRAMES _tf, const int _shift) {
return ChartStatic::iTime(_symbol, _tf, _shift);
}
};