(* Interface to Perl from OCaml.
* Copyright (C) 2003 Merjis Ltd.
- * $Id: perl.ml,v 1.13 2005-01-28 23:09:31 rich Exp $
+ * $Id: perl.ml,v 1.14 2005-01-29 12:22:49 rich Exp $
*)
type sv
external hv_clear : hv -> unit = "perl4caml_hv_clear"
external hv_undef : hv -> unit = "perl4caml_hv_undef"
+type he
+external hv_iterinit : hv -> Int32.t = "perl4caml_hv_iterinit"
+external hv_iternext : hv -> he = "perl4caml_hv_iternext"
+external hv_iterkey : he -> string = "perl4caml_hv_iterkey"
+external hv_iterval : hv -> he -> sv = "perl4caml_hv_iterval"
+external hv_iternextsv : hv -> string * sv = "perl4caml_hv_iternextsv"
+
+let hv_of_assoc xs =
+ let hv = hv_empty () in
+ List.iter (fun (k, v) -> hv_set hv k v) xs;
+ hv
+let assoc_of_hv hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let k, v = hv_iternextsv hv in
+ loop ((k, v) :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+let hv_keys hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let he = hv_iternext hv in
+ let k = hv_iterkey he in
+ loop (k :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+let hv_values hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let he = hv_iternext hv in
+ let v = hv_iterval hv he in
+ loop (v :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+
external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
external get_av : ?create:bool -> string -> av = "perl4caml_get_av"
external get_hv : ?create:bool -> string -> hv = "perl4caml_get_hv"