%!PS

% begin included library code
% see https://github.com/Firedrake/postscript-libraries/
/test {
    /test.count test.count 1 add def
    {
        /test.pass test.pass 1 add def
    } {
        ( ) print
        test.count (....) cvs print
        (-fail) print
    } ifelse
} bind def

/apush.right { % [a b] c -> [a b c]
    exch
    [ exch aload length 2 add -1 roll ]
} bind def

/apush { apush.right } bind def

/test.start {
    print (:) print
    /test.pass 0 def
    /test.count 0 def
} bind def

/test.end {
    ( ) print
    test.count 0 gt {
        (Passed ) print
        test.pass (...) cvs print
        (/) print
        test.count (...) cvs print
        ( \() print
        test.pass 100 mul test.count idiv (...) cvs print
        (%\)) print
        (\r\n) print
    } if
} bind def

/deepeq {
    2 dict begin
    /a exch def
    /b exch def
    a type b type eq {
        a type /dicttype eq {
            a length b length eq {
                <<
                    a {
                        pop
                        true
                    } forall
                    b {
                        pop
                        true
                    } forall
                >>
                true exch
                {
                    pop
                    dup a exch known {
                        dup b exch known {
                            dup a exch get exch b exch get deepeq not {
                                pop false
                            } if
                        } {
                            false
                        } ifelse
                    } {
                        false
                    } ifelse
                } forall
            } {
                false
            } ifelse
        } {
            a type dup /arraytype eq exch /stringtype eq or {
                a length b length eq {
                    true
                    0 1 a length 1 sub {
                        dup a exch get exch b exch get deepeq not {
                            pop false
                            exit
                        } if
                    } for
                } {
                    false
                } ifelse
            } {
                a b eq
            } ifelse
        } ifelse
    } {
        false
    } ifelse
    end
} bind def


% end included library code

/splitarray {
    6 dict begin
    /outa 0 array def
    /outb 0 array def
    /zero (0) 0 get def
    /nine (9) 0 get def
    /a (a) 0 get def
    /z (z) 0 get def
    {
        /av 0 array def
        /bv 0 array def
        {
            1 {
                dup
                dup zero ge exch nine le and {
                    (.) dup 0 4 -1 roll put cvi
                    av exch apush /av exch def
                    exit
                } if
                dup
                dup a ge exch z le and {
                    (.) dup 0 4 -1 roll put dup length string cvs
                    bv exch apush /bv exch def
                    exit
                } if
                pop
            } repeat
        } forall
        av length 0 gt {
            outa av apush /outa exch def
        } if
        bv length 0 gt {
            outb bv apush /outb exch def
        } if
    } forall
    [ outa outb ]
    end
} bind def

(splitarray) test.start

[(a 1 2 b 0) (3 c 4 d)] splitarray
[ [[1 2 0] [3 4]]
  [[(a) (b)] [(c) (d)]] ] deepeq test

[(1 2) (p q r) (s 3) (4 5 t)] splitarray
[ [[1 2] [3] [4 5]]
  [[(p) (q) (r)] [(s)] [(t)]] ] deepeq test

test.end