RubyTranslator: implemented bytesToStr

Author: GreyCat

shared/src/main/scala/io/kaitai/struct/translators/RubyTranslator.scala

@@ -27,9 +27,10 @@ class RubyTranslator(provider: TypeProvider) extends BaseTranslator(provider) {
       case _ => s"($baseStr)"
     })
   }
-  override def intToStr(i: Ast.expr, base: Ast.expr): String = {
+  override def intToStr(i: Ast.expr, base: Ast.expr): String =
     translate(i) + s".to_s(${translate(base)})"
-  }
+  override def bytesToStr(bytesExpr: String, encoding: Ast.expr): String =
+    s"($bytesExpr).force_encoding(${translate(encoding)})"
   override def strLength(s: Ast.expr): String =
     s"${translate(s)}.size"
   override def strReverse(s: Ast.expr): String =