Class: Monolens::Type::Strategy

Inherits:
Object
  • Object
show all
Includes:
ErrorHandling
Defined in:
lib/monolens/type/strategy.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(kind, valid) ⇒ Strategy

Returns a new instance of Strategy.



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# File 'lib/monolens/type/strategy.rb', line 6

def initialize(kind, valid)
  @kind = kind
  @valid = valid
end

Class Method Details

.error(valid) ⇒ Object 



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# File 'lib/monolens/type/strategy.rb', line 15

def self.error(valid)
  new('error', valid)
end

.missing(valid) ⇒ Object 



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# File 'lib/monolens/type/strategy.rb', line 19

def self.missing(valid)
  new('missing', valid)
end

.priority(valid) ⇒ Object 



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# File 'lib/monolens/type/strategy.rb', line 23

def self.priority(valid)
  new('priority', valid)
end

.selection(valid) ⇒ Object 



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# File 'lib/monolens/type/strategy.rb', line 11

def self.selection(valid)
  new('selection', valid)
end

Instance Method Details

#===(arg) ⇒ Object 



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# File 'lib/monolens/type/strategy.rb', line 43

def ===(arg)
  !!dress(arg, nil)
rescue TypeError
  false
end

#dress(arg, registry, &block) ⇒ Object 



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# File 'lib/monolens/type/strategy.rb', line 27

def dress(arg, registry, &block)
  case arg
  when ::Symbol
    fail!(arg, &block) unless @valid.include?(arg.to_s)
    arg
  when ::String
    fail!(arg, &block) unless @valid.include?(arg)
    arg.to_sym
  when ::Array
    fail!(arg, &block) unless (arg.map(&:to_s) - @valid).empty?
    arg.map(&:to_sym)
  else
    fail!(arg, &block)
  end
end