prepare workspace by eu5, add some scripts and node modules on Documents folder, extends compile script and also node module to automate usefull most commonly used compilation tasks and also create required npm scripts and vscode debug lunch tasks based on them ...

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2024-01-31 15:02:23 -08:00
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/////////////////////////////////////////////////////////
//
// SaherElm IT Center MQL5 OrderBlock Detector Indicator
// -----------------------------------------------------
// Name: XOBD
// Description: detect Order Blocks based on Swings ...
//
//
// Maintainer:
// ------------
// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
//
//////////////////////////////////////////////////////
//
// Global Properties ...
#property copyright "Copyright 2023, SaherElm IT Center"
#property link "https://saherelm.ir"
#property version "1.00"
#property description "SaherElm XOBD Indicator"
#property strict
//
// START Constants ...
//
#define ShortName "XOBD"
//
// END Constants ...
//
//
// START Inputs ...
//
//
input int length = 5; // Swing Length
//
input uchar swingHighArrowCode = 108; // Swing High Arrow Code
input color swingHighArrowColor = clrMagenta; // Swing High Arrow Color
//
input uchar swingLowArrowCode = 108; // Swing Low Arrow Code
input color swingLowArrowColor = clrAqua; // Swing Low Arrow Color
//
// END Inputs ...
//
//
// Includes Logging Library ...
#include "../Libraries/x-saherelm.log.lib.mq5"
//
// Include Common and Models Library ...
#include "../Libraries/x-saherelm.common.lib.mq5"
//
// Include Draw Library ...
#include "../Libraries/x-saherelm.draw.lib.mq5"
//
// START Buffers ...
//
#property indicator_chart_window
//
#property indicator_buffers 1
#property indicator_plots 0
//
#define swingBufferIndex 0
double swingBuffer[];
//
// END Buffers ...
//
//
// START Global Definitions: Variables, Properties and etc ...
//
//
// END Global Definitions: Variables, Properties and etc ...
//
//
// START Event Handlers ...
//
//
// Initialization ...
int OnInit()
{
//
// Validate Inputs ...
if (!ValidateInputs())
{
return INIT_PARAMETERS_INCORRECT;
}
//
logTag = ShortName;
drawPrefix = ShortName;
//
// Define Index Buffers ...
DefineBuffers();
//
// Set Indicator ShortName ...
SetIndicatorName();
//
// Init Succeed ...
return INIT_SUCCEEDED;
}
//
// DeInitialization ...
void OnDeinit(const int reason)
{
//
// REASON_PROGRAM 0 The EA has stopped working calling the ExpertRemove() function
// REASON_REMOVE 1 Program removed from a chart
// REASON_RECOMPILE 2 Program recompiled
// REASON_CHARTCHANGE 3 A symbol or a chart period is changed
// REASON_CHARTCLOSE 4 Chart closed
// REASON_PARAMETERS 5 Inputs changed by a user
// REASON_ACCOUNT 6 Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings
// REASON_TEMPLATE 7 Another chart template applied
// REASON_INITFAILED 8 The OnInit() handler returned a non-zero value
// REASON_CLOSE 9 Terminal closed
//
// Here we can handle De Initialization Reasons ...
OnDeinitDrawLibrary();
}
//
// Calculations ...
//
// Calculating what we want ...
int OnCalculate(
//
// total Candles on chart ...
const int rates_total,
//
// total calculated Candles on charts ...
const int prev_calculated,
//
// history of Candles Open Time ...
const datetime &time[],
//
// history of Candles Open Price ...
const double &open[],
//
// history of Candles High Price ...
const double &high[],
//
// history of Candles Low Price ...
const double &low[],
//
// history of Candles Close Price ...
const double &close[],
//
// history of Tick Volumes on Candle ...
const long &tick_volume[],
//
// history of Trade Volumes ...
const long &volume[],
//
// history of Candles Spread Price ...
const int &spread[])
{
//
// Prepare Buffers ...
ArraySetAsSeries(time, true);
ArraySetAsSeries(open, true);
ArraySetAsSeries(high, true);
ArraySetAsSeries(low, true);
ArraySetAsSeries(close, true);
ArraySetAsSeries(tick_volume, true);
ArraySetAsSeries(volume, true);
ArraySetAsSeries(spread, true);
//
// this counts Available Bars ...
int limit;
//
// because in some cases we may have more than one input for
// calculation and we must prevent any calculation
// untill we pass the biggest input length, here we get max Input length
// and then wait until pass it ...
int maxLength = MathMax(0, length * 3);
//
limit = prev_calculated < maxLength ? rates_total - (maxLength + 1) : rates_total - prev_calculated;
//
// Main Loop ...
for (int i = limit; i >= 0 && !IsStopped(); i--)
{
//
CalculateBuffers(i);
}
//
return rates_total;
}
//
// END Event Handlers ...
//
//
// START Functions ...
//
//
// Validate Input Args for Initialization ...
bool ValidateInputs()
{
//
bool result = false;
//
// Validate Args ...
if (length >= 2)
{
result = true;
}
//
return result;
}
//
// Define Indexes and Styles ...
void DefineBuffers()
{
//
ArraySetAsSeries(swingBuffer, true);
SetIndexBuffer(swingBufferIndex, swingBuffer, INDICATOR_CALCULATIONS);
}
//
// Set Indicator Short Name and also we can define Buffers Labels ...
void SetIndicatorName()
{
//
string indicatorShortName = "";
StringConcatenate(indicatorShortName, ShortName, " ", "( ", length, " )");
//
IndicatorSetString(INDICATOR_SHORTNAME, indicatorShortName);
}
//
// Calculate Buffers ...
void CalculateBuffers(int bar_index)
{
//
// GetCandleSwing(bar_index);
ENUM_X_SWING_TYPE type = X_NO_SWING;
//
// Try To Detect Order Blocks ...
bool isSwingLow = false;
bool isSwingHigh = false;
//
// Reading Candles Data ...
XOHCL candles[];
for (int i = bar_index; i < bar_index + ((length * 2) + 2); i++)
{
//
XOHCL iCandle = GetCandle(
_Symbol,
_Period,
i);
//
Add(
iCandle,
candles);
}
//
// Swing Low ...
isSwingLow =
//
candles[1].close > candles[2].close &&
candles[2].close > candles[3].close &&
//
candles[3].close < candles[4].close &&
//
candles[5].close > candles[4].close &&
candles[6].close > candles[5].close
//
;
//
if (isSwingLow)
{
type = X_SWING_LOW;
}
//
if (!isSwingLow)
{
//
// Swing High ...
isSwingHigh =
//
candles[1].close < candles[2].close &&
candles[2].close < candles[3].close &&
//
candles[3].close > candles[4].close &&
//
candles[5].close < candles[4].close &&
candles[6].close < candles[5].close
//
;
//
if (isSwingHigh)
{
type = X_SWING_HIGH;
}
}
//
switch (type)
{
//
// Swing High ...
case X_SWING_HIGH:
//
swingBuffer[bar_index] = type;
DrawSwingArrow(1, bar_index);
break;
//
// Swinmg Low ...
case X_SWING_LOW:
//
swingBuffer[bar_index] = type;
DrawSwingArrow(0, bar_index);
break;
//
// No Swing ...
default:
case X_NO_SWING:
//
swingBuffer[bar_index] = 0;
break;
}
}
//
// Draw a Swing Arrow Shape ...
void DrawSwingArrow(
int type, // Swing Type: 0 - Low / 1 - High ...
int bar_index)
{
//
bool isSwingHigh = type == 1;
XOHCL candle = GetCandle(bar_index + 3);
double arrowDistanceInPoint = 0;
//
// Define Required Object Properties fro Draw an Arrow ...
datetime time = iTime(_Symbol, _Period, bar_index + 3);
double purePrice = isSwingHigh ? candle.high : candle.low;
color clr = isSwingHigh ? swingHighArrowColor : swingLowArrowColor;
ENUM_ARROW_ANCHOR anchor = isSwingHigh ? ANCHOR_BOTTOM : ANCHOR_TOP;
uchar arrowCode = uchar(isSwingHigh ? swingHighArrowCode : swingLowArrowCode);
double price = isSwingHigh ? purePrice + arrowDistanceInPoint : purePrice - arrowDistanceInPoint;
string name = "Swing " + (isSwingHigh ? "High" : "Low") + "_" + (string)time + "_" + (string)purePrice;
//
// Draw desired Arrow ...
DrawArrow(
0,
name,
0,
time,
price,
arrowCode,
anchor,
clr);
}
//
// END Functions ...
//