Class: Bond::Missions::ObjectMission

Inherits:
Bond::Mission show all
Defined in:
lib/bond/missions/object_mission.rb

Overview

Represents a completion mission specified by :object in Bond.complete. Unlike other missions, this one needs to both match the mission condition and have the current object being completed have an ancestor specified by :object.

Constant Summary

Constants inherited from Bond::Mission

Bond::Mission::OPERATORS

Instance Attribute Summary collapse

Attributes inherited from Bond::Mission

#action, #condition, #place

Instance Method Summary collapse

Methods inherited from Bond::Mission

action_object, create, current_eval, default_eval_binding, #execute, #matches?, #set_input

Methods included from Search

#anywhere_search, #default_search, #ignore_case_search, #underscore_search

Constructor Details

#initialize(options = {}) ⇒ ObjectMission

Returns a new instance of ObjectMission.



8
9
10
11
12
13
14
 
# File 'lib/bond/missions/object_mission.rb', line 8

def initialize(options={})
  @object_condition = options.delete(:object)
  @object_condition = /^#{Regexp.escape(@object_condition.to_s)}$/ unless @object_condition.is_a?(Regexp)
  options[:on] ||= /(\S+|[^.]+)\.([^.\s]*)$/
  @eval_binding = options[:eval_binding]
  super
end

Instance Attribute Details

#object_condition ⇒ Object (readonly)

:stopdoc:



6
7
8
 
# File 'lib/bond/missions/object_mission.rb', line 6

def object_condition
  @object_condition
end

Instance Method Details

#default_action(obj) ⇒ Object 



45
46
47
 
# File 'lib/bond/missions/object_mission.rb', line 45

def default_action(obj)
  obj.methods.map {|e| e.to_s} - OPERATORS
end

#eval_object(match) ⇒ Object 



40
41
42
43
 
# File 'lib/bond/missions/object_mission.rb', line 40

def eval_object(match)
  @matched = match
  @evaled_object = self.class.current_eval(match[1], @eval_binding)
end

#handle_valid_match(input) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/bond/missions/object_mission.rb', line 20

def handle_valid_match(input)
  if (match = super)
    begin
      eval_object(match)
    rescue Exception
      return false
    end
    if (match = @evaled_object.class.ancestors.any? {|e| e.to_s =~ @object_condition })
      @completion_prefix = @matched[1] + "."
      @input = @matched[2]
      @input.instance_variable_set("@object", @evaled_object)
      @input.instance_eval("def self.object; @object ; end")
      @action ||= lambda {|e| default_action(e.object) }
    else
      match = false
    end
  end
  match
end

#unique_id ⇒ Object 



16
17
18
 
# File 'lib/bond/missions/object_mission.rb', line 16

def unique_id
  "#{@object_condition.inspect}+#{@condition.inspect}"
end