class ActionFlow::Flow::State

Attributes

variables[R]

Public Class Methods

from_session_object(flow_name, data) click to toggle source
# File lib/action_flow/flow/state.rb, line 53
def self.from_session_object(flow_name, data)
  instance = new(flow_name)
  instance.instance_eval do
    @index     = data[0]
    @max_index = data[1]
    @variables = data[2]
    @complete  = data[3]
  end
  instance
end
new(flow_name) click to toggle source
# File lib/action_flow/flow/state.rb, line 7
def initialize(flow_name)
  @name       = flow_name
  @flow       = ActionFlow.flows[flow_name]
  @index      = 0
  @max_index  = 0
  @variables  = {}
  @complete   = false
  @terminated = false
end

Public Instance Methods

complete?() click to toggle source
# File lib/action_flow/flow/state.rb, line 37
def complete?
  @complete
end
match_distance(context) click to toggle source
# File lib/action_flow/flow/state.rb, line 17
def match_distance(context)
  @flow.match_distance(@index, context)
end
next_action(params = {}) click to toggle source
# File lib/action_flow/flow/state.rb, line 45
def next_action(params = {})
  @flow.action_at(@index + 1, variables, params)
end
progress!(context) click to toggle source
# File lib/action_flow/flow/state.rb, line 21
def progress!(context)
  if @flow.terminates_on?(context)
    @terminated = true
    return
  end
  @index += 1 if @flow.match_at?(@index + 1, context)
  @max_index = [@max_index, @index].max
  return if current_matches?(context)
  
  0.upto(@max_index) do |backtrack|
    @index = backtrack if @flow.match_at?(backtrack, context)
  end
  
  @complete = true if @index == @flow.length - 1
end
terminated?() click to toggle source
# File lib/action_flow/flow/state.rb, line 41
def terminated?
  @terminated
end
to_session_object() click to toggle source
# File lib/action_flow/flow/state.rb, line 49
def to_session_object
  [@index, @max_index, @variables, @complete]
end

Private Instance Methods

current_matches?(context) click to toggle source
# File lib/action_flow/flow/state.rb, line 66
def current_matches?(context)
  @flow.match_at?(@index, context)
end