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(*
RE - A regular expression library
Copyright (C) 2001 Jerome Vouillon
email: Jerome.Vouillon@pps.jussieu.fr
This library 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 library 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 library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
open Import
include struct
let cset = Ast.cset
let rg c c' = cset (Cset.cseq c c')
let notnl = cset Cset.notnl
let lower = cset Cset.lower
let upper = cset Cset.upper
let alpha = cset Cset.alpha
let digit = cset Cset.cdigit
let alnum = cset Cset.alnum
let wordc = cset Cset.wordc
let ascii = cset Cset.ascii
let blank = cset Cset.blank
let cntrl = cset Cset.cntrl
let graph = cset Cset.graph
let print = cset Cset.print
let punct = cset Cset.punct
let space = cset Cset.space
let xdigit = cset Cset.xdigit
end
include Ast.Export
let exec_internal ?(pos = 0) ?(len = -1) ~partial ~groups re s =
Compile.match_str ~groups ~partial re s ~pos ~len
;;
let exec ?pos ?len re s =
match exec_internal ?pos ?len ~groups:true ~partial:false re s with
| Match substr -> substr
| _ -> raise Not_found
;;
let exec_opt ?pos ?len re s =
match exec_internal ?pos ?len ~groups:true ~partial:false re s with
| Match substr -> Some substr
| _ -> None
;;
let execp ?(pos = 0) ?(len = -1) re s = Compile.match_str_p ~pos ~len re s
let exec_partial ?pos ?len re s =
match exec_internal ~groups:false ~partial:true ?pos ?len re s with
| Match _ -> `Full
| Running _ -> `Partial
| Failed -> `Mismatch
;;
let exec_partial_detailed ?pos ?len re s =
match exec_internal ~groups:true ~partial:true ?pos ?len re s with
| Match group -> `Full group
| Running { no_match_starts_before } -> `Partial no_match_starts_before
| Failed -> `Mismatch
;;
module Mark = struct
type t = Pmark.t
let test (g : Group.t) p = Pmark.Set.mem p (Group.pmarks g)
let all (g : Group.t) = Group.pmarks g
module Set = Pmark.Set
let equal = Pmark.equal
let compare = Pmark.compare
end
type split_token =
[ `Text of string
| `Delim of Group.t
]
module Gen = struct
type 'a gen = unit -> 'a option
let gen_of_seq (s : 'a Seq.t) : 'a gen =
let r = ref s in
fun () ->
match !r () with
| Seq.Nil -> None
| Seq.Cons (x, tl) ->
r := tl;
Some x
;;
let split ?pos ?len re s : _ gen = Search.split ?pos ?len re s |> gen_of_seq
let split_full ?pos ?len re s : _ gen = Search.split_full ?pos ?len re s |> gen_of_seq
let all ?pos ?len re s = Search.all ?pos ?len re s |> gen_of_seq
let matches ?pos ?len re s = Search.matches ?pos ?len re s |> gen_of_seq
end
module Group = Group
(** {2 Deprecated functions} *)
let split_full_seq = Search.split_full
let split_seq = Search.split
let matches_seq = Search.matches
let all_seq = Search.all
type 'a gen = 'a Gen.gen
let all_gen = Gen.all
let matches_gen = Gen.matches
let split_gen = Gen.split
let split_full_gen = Gen.split_full
type substrings = Group.t
let get = Group.get
let get_ofs = Group.offset
let get_all = Group.all
let get_all_ofs = Group.all_offset
let test = Group.test
type markid = Mark.t
let marked = Mark.test
let mark_set = Mark.all
type groups = Group.t
module List = struct
let list_of_seq (s : 'a Seq.t) : 'a list =
Seq.fold_left (fun l x -> x :: l) [] s |> List.rev
;;
let all ?pos ?len re s = Search.all ?pos ?len re s |> list_of_seq
let matches ?pos ?len re s = Search.matches ?pos ?len re s |> list_of_seq
let split_full ?pos ?len re s = Search.split_full ?pos ?len re s |> list_of_seq
let split ?pos ?len re s = Search.split ?pos ?len re s |> list_of_seq
let split_delim ?pos ?len re s = Search.split_delim ?pos ?len re s |> list_of_seq
end
include List
include struct
open Compile
type nonrec re = re
let compile = compile
let pp_re = pp_re
let print_re = pp_re
let group_names = group_names
let group_count = group_count
end
module Seq = Search
module Stream = Compile.Stream
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