lablgtk_20001129* created

[helm.git] / helm / DEVEL / lablgtk / lablgtk_20001129-0.1.0 / gtkArgv.ml

diff --git a/helm/DEVEL/lablgtk/lablgtk_20001129-0.1.0/gtkArgv.ml b/helm/DEVEL/lablgtk/lablgtk_20001129-0.1.0/gtkArgv.ml
new file mode 100644 (file)
index 0000000..5e60c8d
--- /dev/null
+++ b/helm/DEVEL/lablgtk/lablgtk_20001129-0.1.0/gtkArgv.ml
@@ -0,0 +1,106 @@
+(* $Id$ *)
+
+open Gaux
+open Gtk
+
+type data =
+  | NONE
+  | CHAR of char
+  | BOOL of bool
+  | INT of int
+  | FLOAT of float
+  | STRING of string option
+  | OBJECT of unit obj option
+  | POINTER of Gpointer.boxed option
+
+type 'a result =
+  [ `NONE
+  | `CHAR of char | `BOOL of bool | `INT of int
+  | `UINT of int32 | `LONG of nativeint | `ULONG of nativeint
+  | `FLOAT of float | `DOUBLE of float
+  | `STRING of string option | `ENUM of int | `FLAGS of int32
+  | `BOXED of Gpointer.boxed option
+  | `POINTER of Gpointer.boxed option
+  | `OBJECT of 'a obj option ]
+
+module Arg = struct
+  type t
+  external shift : t -> pos:int -> t = "ml_gtk_arg_shift"
+  external get_type : t -> gtk_type = "ml_gtk_arg_get_type"
+  external get : t -> data = "ml_gtk_arg_get"
+  external set_retloc : t -> 'a result -> unit = "ml_gtk_arg_set_retloc"
+  external get_pointer : t -> Gpointer.boxed = "ml_gtk_arg_get_pointer"
+  external get_nativeint : t -> nativeint = "ml_gtk_arg_get_nativeint"
+
+  (* Safely get an argument *)
+  (*
+  external get_char : t -> char = "ml_gtk_arg_get_char"
+  external get_bool : t -> bool = "ml_gtk_arg_get_bool"
+  external get_int : t -> int = "ml_gtk_arg_get_int"
+  external get_float : t -> float = "ml_gtk_arg_get_float"
+  external get_string : t -> string option = "ml_gtk_arg_get_string"
+  external get_object : t -> unit obj option = "ml_gtk_arg_get_object"
+  *)
+  (* Safely set a result
+     Beware: this is not the opposite of get, arguments and results
+     are two different ways to use GtkArg. *)
+  (*
+  external set_char : t -> char -> unit = "ml_gtk_arg_set_char"
+  external set_bool : t -> bool -> unit = "ml_gtk_arg_set_bool"
+  external set_int : t -> int -> unit = "ml_gtk_arg_set_int"
+  external set_nativeint : t -> nativeint -> unit = "ml_gtk_arg_set_nativeint"
+  external set_float : t -> float -> unit = "ml_gtk_arg_set_float"
+  external set_string : t -> string -> unit = "ml_gtk_arg_set_string"
+  external set_pointer : t -> Gpointer.boxed -> unit = "ml_gtk_arg_set_pointer"
+  external set_object : t -> 'a obj -> unit = "ml_gtk_arg_set_object"
+  *)
+end
+
+open Arg
+type raw_obj
+type t = { referent: raw_obj; nargs: int; args: Arg.t }
+let nth arg ~pos =
+  if pos < 0 || pos >= arg.nargs then invalid_arg "GtkArg.Vect.nth";
+  shift arg.args ~pos
+let result arg =
+  if arg.nargs < 0 then invalid_arg "GtkArgv.result";
+  shift arg.args ~pos:arg.nargs
+external wrap_object : raw_obj -> unit obj = "Val_GtkObject"
+let referent arg =
+  if arg.referent == Obj.magic (-1) then invalid_arg "GtkArgv.referent";
+  wrap_object arg.referent
+let get_result_type arg = get_type (result arg)
+let get_type arg ~pos = get_type (nth arg ~pos)
+let get arg ~pos = get (nth arg ~pos)
+let set_result arg = set_retloc (result arg)
+
+let get_args arg =
+  let rec loop args ~pos =
+    if pos < 0 then args
+    else loop (get arg ~pos :: args) ~pos:(pos-1)
+  in loop [] ~pos:(arg.nargs - 1)
+
+let get_pointer arg ~pos = get_pointer (nth arg ~pos)
+let get_nativeint arg ~pos = get_nativeint (nth arg ~pos)
+
+(*
+let get_char arg ~pos = get_char (nth arg ~pos)
+let get_bool arg ~pos = get_bool (nth arg ~pos)
+let get_int arg ~pos = get_int (nth arg ~pos)
+let get_float arg ~pos = get_float (nth arg ~pos)
+let get_string arg ~pos = get_string (nth arg ~pos)
+let get_object arg ~pos = get_object (nth arg ~pos)
+let set_result_char arg = set_char (result arg)
+let set_result_bool arg = set_bool (result arg)
+let set_result_int arg = set_int (result arg)
+let set_result_nativeint arg = set_nativeint (result arg)
+let set_result_float arg = set_float (result arg)
+let set_result_string arg = set_string (result arg)
+let set_result_pointer arg = set_pointer (result arg)
+let set_result_object arg = set_object (result arg)
+*)
+
+external string_at_pointer : ?pos:int -> ?len:int -> Gpointer.boxed -> string
+    = "ml_string_at_pointer"
+external int_at_pointer : Gpointer.boxed -> int
+    = "ml_int_at_pointer"