calculating the action length without writing it to a stream

libsrc/ffdec_lib/src/com/jpexs/helpers/ByteArrayRange.java

@@ -16,13 +16,15 @@
  */
 package com.jpexs.helpers;
 
+import com.jpexs.decompiler.flash.SWFInputStream;
+
 /**
  *
  * @author JPEXS
  */
 public class ByteArrayRange {
 
-    public static final ByteArrayRange EMPTY = new ByteArrayRange(new byte[0]);
+    public static final ByteArrayRange EMPTY = new ByteArrayRange(SWFInputStream.BYTE_ARRAY_EMPTY);
 
     private final byte[] array;
 

libsrc/ffdec_lib/src/com/jpexs/helpers/utf8/Utf8Helper.java

@@ -1,18 +1,19 @@
 /*
  *  Copyright (C) 2010-2015 JPEXS, All rights reserved.
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 3.0 of the License, or (at your option) any later version.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library.␍ */
+ * License along with this library.
+ */
 package com.jpexs.helpers.utf8;
 
 import java.io.UnsupportedEncodingException;
@@ -38,4 +39,9 @@ public class Utf8Helper {
     public static byte[] getBytes(String string) {
         return string.getBytes(charset);
     }
+
+    public static int getBytesLength(String string) {
+        // todo: make it faster without actually writing it to an array
+        return string.getBytes(charset).length;
+    }
 }