Class: Slate::Target

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(metric) ⇒ Target

Returns a new instance of Target.



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# File 'lib/slate/target.rb', line 10

def initialize(metric)
  @metric    = metric
  @functions = []
end

Class Method Details

.build(metric) {|target| ... } ⇒ Object

Yields:

  • (target) 


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# File 'lib/slate/target.rb', line 4

def self.build(metric, &block)
  target = new(metric)
  yield target if block_given?
  target
end

Instance Method Details

#add_function(*function) ⇒ Object 



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# File 'lib/slate/target.rb', line 29

def add_function(*function)
  if function.size > 1
    arguments = function[1..-1]
    @functions << [function.first.to_sym, arguments]
  else
    @functions << function.first.to_sym
  end

  to_s
end

#to_s ⇒ Object 



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# File 'lib/slate/target.rb', line 15

def to_s
  target = @metric
  @functions.each do |function|
    if function.is_a? Symbol
      target = %Q{#{function}(#{target})}
    else
      args = arguments(function.last).join(",")
      target = %Q{#{function.first}(#{target},#{args})}
    end
  end

  target
end