Class: ManaMana::Steps

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/manamana/steps.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Steps

Returns a new instance of Steps.



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# File 'lib/manamana/steps.rb', line 18

def initialize
  @steps = []
end

Instance Attribute Details

#steps ⇒ Object (readonly)

Returns the value of attribute steps.



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# File 'lib/manamana/steps.rb', line 16

def steps
  @steps
end

Class Method Details

.add(pattern, &block) ⇒ Object 



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# File 'lib/manamana/steps.rb', line 8

def self.add(pattern, &block)
  instance.add pattern, &block
end

.call(pattern) ⇒ Object 



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# File 'lib/manamana/steps.rb', line 12

def self.call(pattern)
  instance.call pattern
end

Instance Method Details

#add(pattern, &block) ⇒ Object 



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# File 'lib/manamana/steps.rb', line 22

def add(pattern, &block)
  steps << { pattern: pattern, block: block }
end

#call(step_name) ⇒ Object

The step_name variable below is a string that may or may not match the regex pattern of one of the hashes in the steps array.



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# File 'lib/manamana/steps.rb', line 29

def call(step_name)
  vars = nil
  step = steps.find { |s| vars = s[:pattern].match(step_name) }

  raise "Undefined step '#{ step_name }'" unless step

  if vars.length > 1
    step[:block].call(*vars[1..-1])
  else
    step[:block].call
  end
end