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another fix for CCParse and slices

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Simon Cruanes 2023-04-11 11:17:47 -04:00
parent c7de9389b0
commit 9f1ecdba27
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GPG key ID: EBFFF6F283F3A2B4
2 changed files with 36 additions and 11 deletions
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21
src/core/CCParse.ml
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@ -774,17 +774,22 @@ let split_1 ~on_char : _ t =
if st.i >= st.j then
ok st (st, None)
else (
match String.index_from st.cs.str st.i on_char with
| j ->
let x = { st with j } in
let y = { st with i = min st.j (j + 1) } in
let st_done = { st with i = st.j } in
(* empty *)
ok st_done (x, Some y)
| exception Not_found ->
let ret_empty () =
let st_done = { st with i = st.j } in
(* empty *)
ok st_done (st, None)
in
match String.index_from st.cs.str st.i on_char with
| j ->
if j <= st.j then (
let x = { st with j } in
let y = { st with i = min st.j (j + 1) } in
let st_done = { st with i = st.j } in
(* empty *)
ok st_done (x, Some y)
) else
ret_empty ()
| exception Not_found -> ret_empty ()
));
}

26
tests/core/t_parse.ml
View file

@ -1,5 +1,6 @@
module Tst = (val Containers_testlib.make ~__FILE__ ())
include Tst
module P = CCParse
open CCParse
module T = struct
@ -38,10 +39,10 @@ let erreq eq x y =
| Ok x, Ok y -> eq x y
| Error _, Error _ -> true
| _ -> false
;;
let strquoted = Printf.sprintf "%S";;
(* ### start tests ### *)
eq ~printer:errpptree
(Ok (N (L 1, N (L 2, L 3))))
(parse_string ptree "(1 (2 3))")
@ -310,7 +311,7 @@ eq
;;
eq
~printer:Q.Print.(errpp (pair (pair string string) string))
~printer:Q.Print.(errpp (pair (pair string strquoted) strquoted))
(Ok (("!this is the text between!", "LOL"), " and a lot of other stuff"))
(parse_string
(string "COUCOU"
@ -318,3 +319,22 @@ eq
take_if (fun _ -> true) <* eoi >|= fun rest ->
(Slice.to_string slice, x), Slice.to_string rest ))
"COUCOU!this is the text between!LOL and a lot of other stuff")
;;
eq
~printer:Q.Print.(errpp @@ pair (list strquoted) (list strquoted))
(Ok ([ "\n lorem"; "\n ipsum"; "\n" ], [ "\n lorem2"; "\n ipsum2"; "" ]))
(let parser_complex1 =
let ws = skip_white in
let s2 = lookahead_ignore @@ string "Section2" in
let* slice1, () = ws *> string "Section1" *> take_until_success s2 in
let* slice2, () =
ws *> string "Section2" *> take_until_success (ws *> eoi)
in
Printf.printf "slice1: %S\n%!" (Slice.to_string slice1);
let* sect1 = recurse slice1 (each_split ~on_char:';' all_str) in
let* sect2 = recurse slice2 (each_split ~on_char:';' all_str) in
return (sect1, sect2)
in
parse_string parser_complex1
"\nSection1\n lorem;\n ipsum;\nSection2\n lorem2;\n ipsum2;\n")