add support for XSymbolSessionParser in commons lib ...

Libraries/x-saherelm.common.lib.mq5

@@ -5577,6 +5577,66 @@ struct XSymbolParser
     }
 };
 
+//
+struct XSymbolSessionParser
+{
+    //
+    string version; // Temp ...
+
+    //
+    // Check Market Is Open for Specific Symbol
+    // in Current Time ...
+    bool CanTrade(
+        string symbol // Trading Symbol
+    )
+    {
+        //
+        bool result = false;
+
+        //
+        result = IsValid(symbol);
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        MqlDateTime timeStruct;
+        result = TimeCurrent(timeStruct);
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        ENUM_DAY_OF_WEEK dayOfWeek = (ENUM_DAY_OF_WEEK) timeStruct.day_of_week;
+
+        //
+        datetime cTime = TimeCurrent();
+
+        //
+        datetime from;
+        datetime to;
+        result = SymbolInfoSessionTrade(
+            symbol,
+            dayOfWeek,
+            0, // Session Index ...
+            from,
+            to //
+        );
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        result = cTime > from && cTime < to;
+
+        //
+        return result;
+    }
+};
+
 //
 // Styling Buffers ...