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(** Wrapper around Perl [WWW::Mechanize] class. *)
(* Copyright (C) 2003 Merjis Ltd.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
$Id: pl_WWW_Mechanize.ml,v 1.8 2008-03-01 13:02:21 rich Exp $
*)
open Perl
open Pl_LWP_UserAgent
let _ = eval "use WWW::Mechanize"
class www_mechanize sv =
object (self)
inherit lwp_useragent sv
method agent_alias alias =
call_method_void sv "agent_alias" [sv_of_string alias]
method known_agent_aliases =
let svlist = call_method_array sv "known_agent_aliases" [] in
List.map string_of_sv svlist
method get url =
call_method_void sv "get" [sv_of_string url]
method reload () =
call_method_void sv "reload" []
method back () =
call_method_void sv "back" []
method follow_link ?text ?text_regex ?url ?url_regex ?url_abs ?url_abs_regex
?name ?name_regex ?tag ?tag_regex ?n () =
let args = ref [] in
let add name f = function
| None -> ()
| Some p -> args := sv_of_string name :: f p :: !args
in
add "text" sv_of_string text;
add "text_regex" sv_of_string text_regex;
add "url" sv_of_string url;
add "url_regex" sv_of_string url_regex;
add "url_abs" sv_of_string url_abs;
add "url_abs_regex" sv_of_string url_abs_regex;
add "name" sv_of_string name;
add "name_regex" sv_of_string name_regex;
add "tag" sv_of_string tag;
add "tag_regex" sv_of_string tag_regex;
add "n" sv_of_int n;
call_method_void sv "follow_link" !args
method forms =
let svlist = call_method_array sv "forms" [] in
List.map (new Pl_HTML_Form.html_form) svlist
method form_number n =
let sv = call_method sv "form_number" [sv_of_int n] in
new Pl_HTML_Form.html_form sv
method form_name name =
let sv = call_method sv "form_name" [sv_of_string name] in
new Pl_HTML_Form.html_form sv
(* XXX There is an arrayref variant of this method, but what
* it does is apparently undocumented.
*)
method field ?n name value =
let args = match n with
None -> [sv_of_string name; sv_of_string value]
| Some n -> [sv_of_string name; sv_of_string value; sv_of_int n] in
call_method_void sv "field" args
method set_fields fields =
let args = ref [] in
List.iter (fun (k, v) ->
(* Note: reversed k, v because we'll reverse the whole list.*)
args := sv_of_string v :: sv_of_string k :: !args) fields;
let args = List.rev !args in
call_method_void sv "set_fields" args
method value ?n name =
let args = match n with
None -> [sv_of_string name]
| Some n -> [sv_of_string name; sv_of_int n] in
let sv = call_method sv "value" args in
string_of_sv sv
(* XXX Doesn't support setting criteria. *)
method set_visible names =
let names = List.map sv_of_string names in
call_method_void sv "set_visible" names
method tick ?set name value =
let args = match set with
None -> [ sv_of_string name; sv_of_string value ]
| Some b -> [ sv_of_string name; sv_of_string value; sv_of_bool b ] in
call_method_void sv "tick" args
method untick name value =
call_method_void sv "untick" [ sv_of_string name; sv_of_string value ]
method click ?xy button =
let args = match xy with
None -> [ sv_of_string button ]
| Some (x, y) -> [ sv_of_string button; sv_of_int x; sv_of_int y ] in
call_method_void sv "click" args
method click1 () =
call_method_void sv "click" []
method click_button ?name ?number ?value ?xy () =
let args = ref [] in
let add name f = function
| None -> ()
| Some p -> args := sv_of_string name :: f p :: !args
in
add "name" sv_of_string name;
add "number" sv_of_int number;
add "value" sv_of_string value;
(match xy with
None -> ()
| Some (x, y) ->
args := sv_of_string "x" :: sv_of_int x ::
sv_of_string "y" :: sv_of_int y :: !args);
call_method_void sv "click" !args
method select name value =
call_method_void sv "select" [ sv_of_string name; sv_of_string value ]
method select_multiple name values =
let av = av_empty () in
List.iter (av_push av) (List.map sv_of_string values);
call_method_void sv "select" [ sv_of_string name; arrayref av ]
method submit () =
call_method_void sv "submit" []
method submit_form ?form_number ?form_name ?fields ?button ?xy () =
let args = ref [] in
let add name f = function
| None -> ()
| Some p -> args := sv_of_string name :: f p :: !args
in
add "form_number" sv_of_int form_number;
add "form_name" sv_of_string form_name;
(match fields with
| None -> ()
| Some fields ->
let hv = hv_empty () in
List.iter (
fun (name, value) ->
hv_set hv name (sv_of_string value)
) fields;
let sv = hashref hv in
args := sv_of_string "fields" :: sv :: !args
);
add "button" sv_of_string button;
(match xy with
| None -> ()
| Some (x, y) ->
args := sv_of_string "x" :: sv_of_int x ::
sv_of_string "y" :: sv_of_int y :: !args);
let sv = call_method sv "submit_form" !args in
new Pl_HTTP_Response.http_response sv
method success =
let sv = call_method sv "success" [] in
bool_of_sv sv
method uri =
let sv = call_method sv "uri" [] in
string_of_sv sv
method response =
let sv = call_method sv "response" [] in
new Pl_HTTP_Response.http_response sv
method res =
let sv = call_method sv "res" [] in
new Pl_HTTP_Response.http_response sv
method status =
let sv = call_method sv "status" [] in
int_of_sv sv
method ct =
let sv = call_method sv "ct" [] in
string_of_sv sv
method base =
let sv = call_method sv "base" [] in
string_of_sv sv
method content =
let sv = call_method sv "content" [] in
string_of_sv sv
(* method current_forms = *)
method links =
let svs = call_method_array sv "links" [] in
List.map (new www_mechanize_link) svs
method is_html =
let sv = call_method sv "is_html" [] in
bool_of_sv sv
method title =
let sv = call_method sv "title" [] in
string_of_sv sv
(* method find_link .... = *)
(* method find_all_links .... = *)
(* method add_header .... = *)
(* method delete_header .... = *)
method quiet =
let sv = call_method sv "quiet" [] in
bool_of_sv sv
method set_quiet b =
call_method_void sv "quiet" [sv_of_bool b]
(* method stack_depth ... = *)
method redirect_ok =
let sv = call_method sv "redirect_ok" [] in
bool_of_sv sv
(* method request ... = *)
(* method update_html ... = *)
end
and www_mechanize_link sv =
object (self)
method sv = sv
method url =
let sv = call_method sv "url" [] in
string_of_sv sv
method text =
let sv = call_method sv "text" [] in
string_of_sv sv
method name =
let sv = call_method sv "name" [] in
string_of_sv sv
method tag =
let sv = call_method sv "tag" [] in
string_of_sv sv
method base =
let sv = call_method sv "base" [] in
string_of_sv sv
method url_abs =
let sv = call_method sv "url_abs" [] in
string_of_sv sv
end
(* XXX Should be able to pass args to constructor of LWP::UserAgent. *)
(* XXX WWW::Mechanize has additional parameters. *)
let new_ ?autocheck () =
let args = ref [] in
let may f = function None -> () | Some v -> f v in
may (fun v ->
args := sv_of_string "autocheck" :: sv_of_bool v :: !args) autocheck;
let sv = call_class_method "WWW::Mechanize" "new" !args in
new www_mechanize sv
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