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(*
HLins: insert http-links into HTML documents.
See http://www.lri.fr/~treinen/hlins
Copyright (C) 1999 Ralf Treinen <treinen@lri.fr>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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
*)
(**************************************************************************)
(* fixed-length cyclic character buffer. *)
(**************************************************************************)
(* abstract type of a buffer *)
type buffer;;
(* test whether the buffer is empty *)
val is_empty: buffer -> bool;;
(* (fresh n) returns a buffer with n-1 positions *)
val fresh: int -> buffer;;
(* append a character *)
val addc: buffer -> char -> unit;;
(* put a string in front of the buffer *)
val push: buffer -> string -> unit;;
(* take a character *)
val getc: buffer -> char;;
(* take a string of length n *)
val gets: buffer -> int -> string;;
(* take all the contents from the buffer *)
val getall: buffer -> string;;
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