Model for reading created

State pattern implemented

app/helpers/ConfirmingSyncPatternState.rb

@@ -0,0 +1,21 @@
+class ConfirmingSyncPatternState < StatePattern::State
+  # Assumes that bytes[0] == Synchronizer::SYNC_PATTERN[0]
+  def handle_byte_stream(bytes)
+   idx = 0;
+   sync_length = Synchronizer::SYNC_PATTERN.length
+   
+   # confirm rest of sync pattern 
+   while ((idx < sync_length) && bytes[idx] == Synchronizer::SYNC_PATTERN[idx]) do idx = idx+1 end
+   
+   if (idx == sync_length)
+     #p "Sync pattern confirmed"
+     transition_to(InSyncState)
+   else  
+     #p "Back to SearchingForSync state. idx = #{idx}."
+     transition_to(SearchingForSyncState)
+   end
+  
+  # return the rest
+  return bytes[idx+1..-1]
+  end
+end