Small_Inside_Bar

ÿþ//+------------------------------------------------------------------+

//|                                             Small_Inside_Bar.mq5 |

//|                        Copyright 2018, MetaQuotes Software Corp. |

//|                                                 https://mql5.com |

//+------------------------------------------------------------------+

#property copyright "Copyright 2018, MetaQuotes Software Corp."

#property link      "https://mql5.com"

#property version   "1.00"

#property indicator_chart_window

#property indicator_buffers 2

#property indicator_plots   2

//--- plot Bullish

#property indicator_label1  "Bearish"

#property indicator_type1   DRAW_ARROW

#property indicator_color1  clrRed

#property indicator_style1  STYLE_SOLID

#property indicator_width1  2

//--- plot Bearish

#property indicator_label2  "Bullish"

#property indicator_type2   DRAW_ARROW

#property indicator_color2  clrGreen

#property indicator_style2  STYLE_SOLID

#property indicator_width2  2

//--- indicator buffers

double         BufferBearish[];

double         BufferBullish[];

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int OnInit()

  {

//--- indicator buffers mapping

   SetIndexBuffer(0,BufferBearish,INDICATOR_DATA);

   SetIndexBuffer(1,BufferBullish,INDICATOR_DATA);

//--- setting a code from the Wingdings charset as the property of PLOT_ARROW

   PlotIndexSetInteger(0,PLOT_ARROW,159);

   PlotIndexSetInteger(1,PLOT_ARROW,159);

//--- setting indicator parameters

   IndicatorSetString(INDICATOR_SHORTNAME,"Small inside bar");

   IndicatorSetInteger(INDICATOR_DIGITS,Digits());

//--- setting buffer arrays as timeseries

   ArraySetAsSeries(BufferBullish,true);

   ArraySetAsSeries(BufferBearish,true);

//---

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

//--- @>25@:0 =0 <8=8<0;L=>5 :>;85AB2> 10@>2 4;O @0AGQB0

   if(rates_total<4) return 0;

//--- @>25@:0 8 @0AGQB :>;8G5AB20 ?@>AG8BK205<KE 10@>2

   int limit=rates_total-prev_calculated;

   if(limit>1)

     {

      limit=rates_total-2;

      ArrayInitialize(BufferBullish,EMPTY_VALUE);

      ArrayInitialize(BufferBearish,EMPTY_VALUE);

     }

//--- #AB0=>2:0 8=45:A0F88 <0AA82>2 :0: B09<A5@89

   ArraySetAsSeries(open,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(close,true);

//---  0AGQB 8=48:0B>@0

   for(int i=limit; i>=0 && !IsStopped(); i--)

     {

      bool bull_flag=false;

      bool bear_flag=false;

      double ratio=0;

      if(high[i]-low[i]==0) ratio=10; else ratio=(high[i+1]-low[i+1])/(high[i]-low[i]);

      if(high[i]<high[i+1] && low[i]>low[i+1] && ratio>2)

        {

         if(close[i]>open[i]&& high[i]<(high[i+1]+low[i+1])/2 && close[i+1]<open[i+1]) bull_flag=true;

         if(close[i]<open[i] && low[i]<(high[i+1]+low[i+1])/2 && close[i+1]>open[i+1]) bear_flag=true;

        }

      if(bull_flag) BufferBullish[i]=low[i]; else BufferBullish[i]=EMPTY_VALUE;

      if(bear_flag) BufferBearish[i]=high[i]; else BufferBearish[i]=EMPTY_VALUE;

     }



//--- return value of prev_calculated for next call

   return(rates_total);

  }

//+------------------------------------------------------------------+