last works on FIMA Back Tester ...

Classes/x-saherelm.x-market.pattern.class.mq5

@@ -22,6 +22,8 @@
 //
 // Imports ...
 #include "../Classes/x-saherelm.base.class.mq5"
+#include "../Classes/x-saherelm.x-bar.analyser.class.mq5"
+#include "../Libraries/x-saherelm.x-poi.lib.mq5"
 
 //
 // Definitions ...
@@ -40,12 +42,16 @@ class XCMarketPatternDetector : public XCBase
     // Constructor ...
     XCMarketPatternDetector()
     {
+        barAnalyser = new XCBarAnalyser();
     }
 
     //
     // Deconstructor ...
     ~XCMarketPatternDetector()
     {
+        //
+        delete barAnalyser;
+        ZeroMemory(barAnalyser);
     }
 
     //
@@ -999,6 +1005,114 @@ class XCMarketPatternDetector : public XCBase
         return result;
     }
 
+    //
+    // FVG ...
+
+    /**
+     * Check For FVG Exists in Specified Loopback Period ...
+     *
+     * @param  bar: XOHCL, Specified Bar ...
+     * @param  dir: ENUM_X_DIRECTION a reference for Direction ...
+     * @param  fvg: XBoxZone, reference for Holding FVG ...
+     * @param  maxLoopback: int, Max Allowed Loopback to Lookup FVG ...
+     *
+     * @return ( bool )
+     */
+    bool HasFVG(
+        XOHCL &bar,
+        ENUM_X_DIRECTION &dir,
+        XBoxZone &fvg,
+        int maxLoopback = 5 //
+    )
+    {
+        //
+        bool result = false;
+
+        //
+        // Prepare ...
+        CleanDirection(dir);
+
+        //
+        // Normalize ...
+        maxLoopback = NormalizeInt(maxLoopback, 3);
+
+        //
+        // Validate ...
+        result = bar.IsValid();
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        XOHCL iBar;
+        bool has = false;
+        int start = bar.Index();
+        int end = start + maxLoopback;
+        for (int i = start; i < end; i++)
+        {
+            //
+            // Initialize iBar ...
+            has = iBar.Init(
+                bar.symbol,
+                bar.period,
+                i //
+            );
+            if (!has)
+            {
+                continue;
+            }
+
+            //
+            // Check iBar is FVG or not ...
+            has = barAnalyser.IsFVG(
+                iBar,
+                fvg,
+                true // Force Bar Type ...
+            );
+            if (!has)
+            {
+                //
+                fvg.Clean();
+                iBar.Clean();
+                CleanDirection(dir);
+
+                //
+                continue;
+            }
+
+            //
+            iBar.Clean();
+            dir = fvg.dir;
+
+            //
+            break;
+        }
+
+        //
+        // Check FVG Exists ...
+        result = fvg.IsValid();
+
+        //
+        // Check Direction Exists ...
+        result =
+            result &&
+            HasDirection(dir);
+
+        //
+        // Cleanup Resources ...
+        if (!result)
+        {
+            //
+            fvg.Clean();
+            CleanDirection(dir);
+        }
+        iBar.Clean();
+
+        //
+        return result;
+    }
+
     //
     // Trending ...
 
@@ -1465,6 +1579,8 @@ class XCMarketPatternDetector : public XCBase
     // Private ...
   private:
     //
+    // Props ...
+    XCBarAnalyser *barAnalyser;
 
     //
     // Helpers ...