Class: Eco::Language::Models::Wrap

Inherits:
Object
  • Object
show all
Defined in:
lib/eco/language/models/wrap.rb

Defined Under Namespace

Modules: Test

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object = nil, setters: [], getters: []) ⇒ Wrap

Returns a new instance of Wrap.



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# File 'lib/eco/language/models/wrap.rb', line 9

def initialize(object = nil, setters: [], getters: [])
  @object = object
  self.setters = setters
  self.getters = getters
end

Instance Attribute Details

#getters ⇒ Object

Returns the value of attribute getters.



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# File 'lib/eco/language/models/wrap.rb', line 6

def getters
  @getters
end

#object ⇒ Object

Returns the value of attribute object.



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# File 'lib/eco/language/models/wrap.rb', line 7

def object
  @object
end

#setters ⇒ Object

Returns the value of attribute setters.



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# File 'lib/eco/language/models/wrap.rb', line 6

def setters
  @setters
end

Class Method Details

.test ⇒ Object 



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# File 'lib/eco/language/models/wrap.rb', line 74

def self.test()
  # setters
  soa = ->(o,v) { o.a = v }
  soe = ->(o,v) { o.e = v }
  # getters
  goa  = ->(o) { o.a }
  goe  = ->(o) { o.e }
  goex = ->(o) { o.exp }

  # arrays
  setters = [soa, soe ]
  getters = [goa, goe, goex]

  a = Test::A.new(3)
  b = Test::A.new(5)
  w = self.new(a, setters: setters, getters: getters)

  puts "before check  -> a: #{a.a}; e: #{a.e}; exp: #{a.exp}"
  # launch setters
  w << [4, 2]
  puts "after setters -> a: #{a.a}; e: #{a.e}; exp: #{a.exp}"
  # launch getters
  a, e, exp = w.row
  puts "from getters(a) -> a: #{a}; e: #{e}; exp: #{exp}"
  # switch object
  w.object = b
  # launch getters
  a, e, exp = w.row
  puts "from getters(b) -> a: #{a}; e: #{e}; exp: #{exp}"
end

Instance Method Details

#<<(value = []) ⇒ Object 



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# File 'lib/eco/language/models/wrap.rb', line 31

def <<(value = [])
  value = into_a(value)
  @wsetters.each_with_index.map do |set, i|
    args = into_a(value[i])
    set.call(*args)
  end
end

#row(value = (miss = true; [])) ⇒ Object 



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# File 'lib/eco/language/models/wrap.rb', line 39

def row(value = (miss = true; []))
  value = into_a(value)
  @wgetters.each_with_index.map do |get, i|
    args = into_a(value[i])
    get.call(*args) unless miss
    get.call
  end
end

#wrap_object(object = nil, ops = []) ⇒ Object 



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# File 'lib/eco/language/models/wrap.rb', line 48

def wrap_object(object = nil, ops = [])
  object = object || @object
  return [] unless !!object
  into_a(ops).map do |op|
    cop = required_parameters?(op) ? curry(op) : op
    ->(*args) {
      args.unshift(object);
      #puts "calling wop: #{cop}, with args: #{args}, object: #{object}"
      cop[*args] #rescue nil
    }
  end
end