Module: AnnotatedArray

Defined in:
lib/scout/annotation/array.rb

Defined Under Namespace

Modules: AnnotatedArrayItem

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.is_contained?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scout/annotation/array.rb', line 7

def self.is_contained?(obj)
  AnnotatedArrayItem === obj
end

Instance Method Details

#[](pos, clean = false) ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 21

def [](pos, clean = false)
  item = super(pos)
  return item if item.nil? or clean
  annotate_item(item, pos)
end

#annotate_item(obj, position = nil) ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 11

def annotate_item(obj, position = nil)
  return obj if obj.nil?
  obj = obj.dup if obj.frozen?
  obj.extend AnnotatedArray if Array === obj
  obj.extend AnnotatedArrayItem
  obj.container = self
  obj.container_index = position
  self.annotate(obj)
end

#collect(&block) ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 65

def collect(&block)
  if block_given?
    inject([]){|acc,item| acc.push(block.call(item)); acc }
  else
    inject([]){|acc,item| acc.push(item); acc }
  end
end

#each(&block) ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 50

def each(&block)
  i = 0
  super do |item|
    block.call annotate_item(item, i)
    i += 1
  end
end

#each_with_index(&block) ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 35

def each_with_index(&block)
  super do |item,i|
    block.call annotate_item(item, i)
  end
end

#first ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 27

def first
  annotate_item(super, 0)
end

#inject(acc, &block) ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 58

def inject(acc, &block)
  each do |item|
    acc = block.call acc, item
  end
  acc
end

#last ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 31

def last
  annotate_item(super, self.length - 1)
end

#select(&block) ⇒ Object 



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# File 'lib/scout/annotation/array.rb', line 41

def select(&block)
  selected = []
  each do |item|
    selected << item if block.call(item)
  end

  self.annotate(selected)
end