Class: Inclusion

Inherits:
Object
  • Object
show all
Defined in:
lib/inclusion/inclusion.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj, inclusion_names) ⇒ Inclusion

Returns a new instance of Inclusion.



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# File 'lib/inclusion/inclusion.rb', line 9

def initialize(obj, inclusion_names)
  @obj = obj
  @inclusion_names = inclusion_names
end

Instance Attribute Details

#inclusion_names ⇒ Object (readonly)

Returns the value of attribute inclusion_names.



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# File 'lib/inclusion/inclusion.rb', line 3

def inclusion_names
  @inclusion_names
end

#obj ⇒ Object (readonly)

Returns the value of attribute obj.



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# File 'lib/inclusion/inclusion.rb', line 2

def obj
  @obj
end

Class Method Details

.!(obj, *inclusion_names) ⇒ Object 



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# File 'lib/inclusion/inclusion.rb', line 14

def self.!(obj, *inclusion_names)
  new(obj, inclusion_names).!
end

Instance Method Details

#! ⇒ Object 



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# File 'lib/inclusion/inclusion.rb', line 18

def !
  extend_obj
end

#extend(mod) ⇒ Object 



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# File 'lib/inclusion/inclusion.rb', line 26

def extend(mod)
  obj.extend mod if mod
  mod
end

#extend_obj ⇒ Object 



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# File 'lib/inclusion/inclusion.rb', line 22

def extend_obj
  extend(inclusion)
end

#includion_mod(mod, inner) ⇒ Object 



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# File 'lib/inclusion/inclusion.rb', line 67

def includion_mod(mod, inner)
  mod.const_get(inner, search_ancestors=false)
end

#inclusion ⇒ Object 



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# File 'lib/inclusion/inclusion.rb', line 31

def inclusion
  inclusions = inclusion_names.dup

  inclusion = nil
  mod = obj_const
  inclusions.inject(mod) do |mod_name, inner_mod_name|

    unless inclusion_defined?(mod, inner_mod_name)
      break
    end

    inclusion = includion_mod(mod, inner_mod_name)
    mod = inclusion

    inner_mod_name
  end

  inclusion
end

#inclusion_defined?(mod, inner) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inclusion/inclusion.rb', line 71

def inclusion_defined?(mod, inner)
  mod.const_defined?(inner, search_ancestors=false)
end

#obj_const ⇒ Object 



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# File 'lib/inclusion/inclusion.rb', line 5

def obj_const
  @obj_const ||= ([Module, Class].include?(obj.class) ? obj : obj.class)
end