let problem_of_string s =\r
prerr_endline (s);\r
let lines = Str.split (Str.regexp "[\n\r\x0c\t;]+") s in\r
- let lines = List.map String.trim lines in\r
+ (* let lines = List.map String.trim lines in *)\r
let lines = List.filter ((<>) "") lines in\r
prerr_endline("number of lines" ^ string_of_int (List.length lines));\r
let aux (last, name, div, conv, ps) line =\r
let chr = String.sub line 0 1 in\r
- let line = String.sub line 1 (String.length line - 1) in\r
+ let line = String.trim (String.sub line 1 (String.length line - 1)) in\r
if line = "" then chr, name, div, conv, ps else\r
let rec aux' chr line =\r
if chr = "#"\r
- then chr, line, div, conv, ps\r
+ then chr, name, div, conv, ps\r
+ else if chr = "$"\r
+ then "#", line, div, conv, ps\r
else if chr = "D"\r
then chr, name, line, conv, ps\r
else if chr = "C"\r
then chr, name, div, line::conv, ps\r
else if chr = "N"\r
then chr, name, div, conv, line::ps\r
- else if last = ""\r
- then raise (ParsingError ("Unexpected at beginning of problem: " ^ chr))\r
- else aux' last (chr ^ line) in\r
+ else if chr = " "\r
+ then aux' last line\r
+ else raise (ParsingError\r
+ ("Unexpected at beginning of problem: `" ^ chr ^ "` " ^ line)) in\r
aux' chr line in\r
- let _, name, div, conv, ps = List.fold_left aux ("#", "?", "", [], []) lines in\r
+ let _, name, div, conv, ps = List.fold_left aux ("#", "no label", "", [], []) lines in\r
let div_provided = div <> "" in\r
let div = if div_provided then div else "BOT" in\r
let strs = [div] @ ps @ conv in\r
\r
+ if strs = ["BOT"]\r
+ then raise (ParsingError "empty problem");\r
+\r
(* parse' *)\r
let (tms, free) = parse_many strs in\r
(* Replace pacmans and bottoms *)\r
) ps in\r
name, div, conv, ps, free\r
;;\r
+\r
+\r
+let from_file path =\r
+ let lines = ref [""] in\r
+ let chan = open_in path in\r
+ let _ = try\r
+ while true; do\r
+ lines := input_line chan :: !lines\r
+ done\r
+ with End_of_file ->\r
+ close_in chan in\r
+ let txt = String.concat "\n" (List.rev !lines) in\r
+ let problems = Str.split (Str.regexp "[\n\r]+\\$") txt in\r
+ List.map problem_of_string (List.tl (List.map ((^) "$") problems))\r
+;;\r