package js_of_ocaml
Compiler from OCaml bytecode to JavaScript
Install
Dune Dependency
Authors
Maintainers
Sources
js_of_ocaml-5.7.1.tbz
sha256=0ea48e2aa8904ec562f225fa093ff674b54e0e7514dae8627b8fd8f77210383d
sha512=c6df6875631d0f7e647e31dff26da696869e83391a1040461445d2ed895985f83f60acdd045b773f05c955e3d61cee10491d947df6071637e1bb65cd373d6285
doc/src/js_of_ocaml/regexp.ml.html
Source file regexp.ml
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(* Js_of_ocaml library * http://www.ocsigen.org/js_of_ocaml/ * Copyright (C) 2010 Raphaël Proust, Jérôme Vouillon * Laboratoire PPS - CNRS Université Paris Diderot * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, with linking exception; * either version 2.1 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *) open! Import type regexp = Js.regExp Js.t type result = Js.match_result Js.t let regexp s = new%js Js.regExp_withFlags (Js.bytestring s) (Js.string "g") let regexp_case_fold s = new%js Js.regExp_withFlags (Js.bytestring s) (Js.string "gi") let regexp_with_flag s f = new%js Js.regExp_withFlags (Js.bytestring s) (Js.string ("g" ^ f)) let blunt_str_array_get a i = Js.to_bytestring (Js.Optdef.get (Js.array_get a i) (fun () -> assert false)) let string_match r s i = r##.lastIndex := i; Js.Opt.to_option (Js.Opt.map (r##exec (Js.bytestring s)) Js.match_result) let search r s i = r##.lastIndex := i; Js.Opt.to_option (Js.Opt.map (r##exec (Js.bytestring s)) (fun res_pre -> let res = Js.match_result res_pre in res##.index, res)) let search_forward = search let matched_string r = blunt_str_array_get r 0 let matched_group r i = Js.Optdef.to_option (Js.Optdef.map (Js.array_get r i) Js.to_bytestring) let quote_repl_re = new%js Js.regExp_withFlags (Js.string "[$]") (Js.string "g") let quote_repl s = (Js.bytestring s)##replace quote_repl_re (Js.string "$$$$") let global_replace r s s_by = r##.lastIndex := 0; Js.to_bytestring (Js.bytestring s) ## (replace r (quote_repl s_by)) let replace_first r s s_by = let flags = match Js.to_bool r##.ignoreCase, Js.to_bool r##.multiline with | false, false -> Js.string "" | false, true -> Js.string "m" | true, false -> Js.string "i" | true, true -> Js.string "mi" in let r' = new%js Js.regExp_withFlags r##.source flags in Js.to_bytestring (Js.bytestring s) ## (replace r' (quote_repl s_by)) let list_of_js_array a = let rec aux accu idx = if idx < 0 then accu else aux (blunt_str_array_get a idx :: accu) (idx - 1) in aux [] (a##.length - 1) let split r s = r##.lastIndex := 0; list_of_js_array (Js.str_array (Js.bytestring s) ## (split_regExp r)) let bounded_split r s i = r##.lastIndex := 0; list_of_js_array (Js.str_array (Js.bytestring s) ## (split_regExpLimited r i)) (* More constructors *) let quote_re = regexp "[\\][()\\\\|+*.?{}^$]" let quote s = Js.to_bytestring (Js.bytestring s) ## (replace quote_re (Js.string "\\$&")) let regexp_string s = regexp (quote s) let regexp_string_case_fold s = regexp_case_fold (quote s)
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