Hi,

How about parsing a parameter list with embedded white space between two
words and EOF?

Thanks,
-----------------------------------------

Bil Kleb wrote:
> 
> Hello,
> 
> Can someone please point me at a simple recipe for
> parsing a parameter list with embedded parentheses
> and commas, e.g.,
> 
>   class String
>     def get_args
>       split(',').map{|e| e.strip} # naive recipe
>     end
>   end
> 
>   require 'test/unit'
> 
>   class TestArgumentParser < Test::Unit::TestCase
>     def test_simple_cases
>       assert_equal %w[ a b ],         'a,b'.get_args
>       assert_equal %w[ a_frog b25 ],  'a_frog, b25'.get_args
>     end
>     def test_embedded_parens
>       assert_equal %w[ a(1) b ],      'a(1), b'.get_args
>       assert_equal %w[ a b(i) ],      'a, b(i)'.get_args
>     end
>     def test_embedded_parens_with_commas
>       assert_equal %w[ a(0,j) b ],    'a(0,j),b'.get_args
>       assert_equal %w[ a() b(j,k) ],  'a(),b(j,k)'.get_args
>       assert_equal %w[ c(i,j,t(1)) ], 'c(i,j,t(1))'.get_args
>     end
>   end
> 
> Thanks,
> --
> Bil
> http://fun3d.larc.nasa.gov
> 
> 
> 

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