DataSystem.coffee

DataSystem = () ->
  this.data = {}
  this

proto = DataSystem.prototype

proto.set = ( keys , value , obj ) ->
  obj = obj || this.data
  if typeof keys is 'string'
    keys = keys.split('.')
  if keys.length > 1
    key = keys.shift()
    if typeof obj[key] is 'undefined'
      obj[key] = {}
    child = obj[key]
    this.set( keys , value , child )
  else
    obj[keys[0]] = value
    this

proto.update = ( keys , values , deep , obj ) ->
  obj = obj || this.data

  unless typeof values is 'object'
    return this.set( keys , values , obj )

  if typeof keys is 'string'
    keys = keys.split('.')
  if keys.length > 1
    key = keys.shift()
    if typeof obj[key] is 'undefined'
      obj[key] = {}
    child = obj[key]
    this.update( keys , values , deep , child)
  else
    for key, value of values
      if deep
        if typeof obj[keys] is 'undefined'
          obj[keys] = {}
        child = obj[keys]
        this.update( key , value , deep , child)
      else
        obj[keys][key] = value
    this

proto.get = ( keys , obj ) ->
  obj = obj || this.data
  if typeof keys is 'string'
    keys = keys.split('.')
  if keys.length > 1
    key = keys.shift()
    child = obj[key]
    this.get(keys,child)
  else
    obj[keys[0]]

proto.delete = ( keys , obj ) ->
  obj = obj || this.data
  if typeof keys is 'string'
    keys = keys.split('.')
  if keys.length > 1
    key = keys.shift()
    child = obj[key]
    this.delete(keys,child)
  else
    delete obj[keys[0]]
    this