Method: Bmg::OutputPreferences#order_attrlist

Defined in:
lib/bmg/support/output_preferences.rb

#order_attrlist(attrlist) ⇒ Object 



51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/bmg/support/output_preferences.rb', line 51

def order_attrlist(attrlist)
  return attrlist if attributes_ordering.nil?

  index = Hash[attributes_ordering.each_with_index.to_a]
  base  = attrlist
  base  = attrlist & attributes_ordering if extra_attributes == :ignored
  base.sort{|a,b|
    ai, bi = index[a], index[b]
    if ai && bi
      ai <=> bi
    elsif ai
      extra_attributes == :after ? -1 : 1
    else
      extra_attributes == :after ? 1 : -1
    end
  }
end