Class: TheFox::Range::Lexer::Collection

Inherits:
Object
  • Object
show all
Defined in:
lib/thefox-ext/range/lexer/collection.rb

Instance Method Summary collapse

Constructor Details

#initialize(items = nil) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 6

def initialize(items = nil)
  # puts '-> Collection.initialize()'
  @items = items.to_a
  @block_level = 0
end

Instance Method Details

#curr ⇒ Object 



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 25

def curr()
  @items.last
end

#inspect ⇒ Object

:nocov:



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 13

def inspect()
  'Collection(L=%d %s)' % [
    @items.length,
    @items.map{ |i| i.inspect }
  ]
end

#is_empty ⇒ Object 



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 33

def is_empty()
  @items.length == 0
end

#items ⇒ Object

:nocov:



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 21

def items()
  @items
end

#length ⇒ Object 



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 37

def length()
  @items.length
end

#pop ⇒ Object 



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 67

def pop()
  @items.pop
end

#prev ⇒ Object 



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 29

def prev()
  @items[-2]
end

#push(item) ⇒ Object 



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# File 'lib/thefox-ext/range/lexer/collection.rb', line 41

def push(item)
  # puts '-> %s.push(%s)' % [self.inspect, item.inspect]
  if item.nil?
    return
  end

  # Prev
  org_prev_item = item.prev_item
  prev_item = @items.last

  # Dup
  curr_item = item.dup
  @items.push(curr_item)

  # Chain
  curr_item.chain(prev_item)
  curr_item.org_prev_item = org_prev_item

  if curr_item.class.keep_nonce_on_dup
    curr_item.nonce = item.nonce
  end
  if curr_item.class.keep_instance_id_on_dup
    curr_item.instance_id = item.instance_id
  end
end