Class: Drip::ImmutableDrip::Generator

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pool = [], tag = []) ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/drip.rb', line 601

def initialize(pool=[], tag=[])
  @pool = pool
  @tag = tag
  @shared = Hash.new {|h, k| h[k] = k; k}
  @tag.each {|pair| @shared[pair[0]]}
end

Instance Attribute Details

#pool ⇒ Object (readonly)

Returns the value of attribute pool.



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# File 'lib/drip.rb', line 607

def pool
  @pool
end

#tag ⇒ Object (readonly)

Returns the value of attribute tag.



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# File 'lib/drip.rb', line 607

def tag
  @tag
end

Instance Method Details

#add(key, value, *tag) ⇒ Object 



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# File 'lib/drip.rb', line 609

def add(key, value, *tag)
  @pool << [key, value]
  idx = @pool.size - 1
  tag.uniq.each do |t|
    @tag << [[@shared[t], key]]
  end
end

#generate ⇒ Object 



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# File 'lib/drip.rb', line 617

def generate
  tag = @tag.sort
  tag.inject(nil) do |last, kv|
    k = kv[0]
    k[0] = last if k[0] == last
    k[0]
  end
  ImmutableDrip.new(@pool.sort, tag)
end