Class: FilterTable::Trace

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Trace 



10
11
12
 
# File 'lib/utils/filter.rb', line 10

def initialize
  @chain = []
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(*args) ⇒ Object 



22
23
24
25
26
 
# File 'lib/utils/filter.rb', line 22

def method_missing(*args)
  res = Trace.new
  @chain.push([args, res])
  res
end

Class Method Details

.to_ruby(trace) ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/utils/filter.rb', line 28

def self.to_ruby(trace)
  chain = trace.instance_variable_get(:@chain)
  return '' if chain.empty?
  ' ' + chain.map do |el|
    m = el[0][0]
    args = el[0].drop(1)
    nxt = to_ruby(el[1])
    next m.to_s + nxt if args.empty?
    next m.to_s + ' ' + args[0].inspect + nxt if args.length == 1
    m.to_s + '(' + args.map(&:inspect).join(', ') + ')' + nxt
  end.join(' ')
end