Decoder model for morse code demo

gistfile1.txt

class MorseDecoder extends Backbone.Model

   initializeKey: =>
      """
      Omitting code that initializes the morse code key 
      dictionary.
      """
   
   initialize: =>
      @inputTokens = []
      @numEmptyTokensInARow = 0
      @initializeKey()
      
      
   processToken: (token) =>
      if token == ''
         @parseTokens() if 
          ++@numEmptyTokensInARow >= 10
      else if token == kWordStopToken
         @parseTokens() if @inputTokens.length > 0
         @trigger('parsedCharacter', ' ')
      else
         @inputTokens.push(token)
         @numEmptyTokensInARow = 0
   
   parseTokens: =>
      if @inputTokens.length > 0
         token = @key[@inputTokens.join('')]
         @trigger('parsedCharacter', token) if 
          token != undefined
      @numEmptyTokensInARow = 0
      @inputTokens.length = 0