Exception: ArgumentError

Inherits:
Exception
  • Object
show all
Defined in:
lib/dsl/monkeypatches.rb

Overview

Helper for parsing argument errors in machine-readable collection.

Instance Method Summary collapse

Instance Method Details

#argument_data ⇒ Hash

Parses the error string and returns the machine-readable argument count contract. minimal required and (if makes sense) maximal.

Returns:

  • (Hash) —

    consisting of an amount of arguments given,



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# File 'lib/dsl/monkeypatches.rb', line 175

def argument_data
  # ⇒ wrong number of arguments (1 for 2..3)
  /\((?<given>\d+)\s+\w+\s+(?<min_required>\d+)(?<modifier>\+|\.\.)?(?<max_required>\d+)\)/.match(self.to_s) { |m|
    { :given => m[:given],
      :min_required => m[:min_required],
      :max_required => case m[:modifier]
                       when '+' then '∞'
                       when '..' then h[:max_required]
                       else h[:min_required]
                       end
    }
  }
end