-(* Copyright (C) 2002, HELM Team.
+(* Copyright (C) 2002-2004, HELM Team.
*
* This file is part of HELM, an Hypertextual, Electronic
* Library of Mathematics, developed at the Computer Science
module G = MQueryGenerator
module C = MQIConn
-open Http_types ;;
+open Http_types
-let debug = false;;
-let debug_print s = if debug then prerr_endline s;;
-Http_common.debug := true;;
-(* Http_common.debug := true;; *)
+let debug = true
+let debug_print s = if debug then prerr_endline s
+let _ = Http_common.debug := true
+(* let _ = Http_common.debug := false *)
-open Printf;;
+open Printf
-let daemon_name = "Search Engine";;
+let daemon_name = "Search Engine"
+
+let string_tail s =
+ let len = String.length s in
+ String.sub s 1 (len-1)
(* First of all we load the configuration *)
let _ =
let configuration_file = "/projects/helm/etc/searchEngine.conf.xml" in
Helm_registry.load_from configuration_file
-;;
-let pages_dir = Helm_registry.get "search_engine.html_dir";;
+let port = Helm_registry.get_int "search_engine.port"
+
+let pages_dir = Helm_registry.get "search_engine.html_dir"
(** accepted HTTP servers for ask_uwobo method forwarding *)
-let valid_servers= Helm_registry.get_string_list "search_engine.valid_servers";;
+let valid_servers= Helm_registry.get_string_list "search_engine.valid_servers"
+let interactive_user_uri_choice_TPL = pages_dir ^ "/moogle_chat1.html"
+let interactive_interpretation_choice_TPL = pages_dir ^ "/moogle_chat2.html"
+let constraints_choice_TPL = pages_dir ^ "/moogle_constraints_choice.html"
+let moogle_TPL = pages_dir ^ "/moogle.html"
-let interactive_user_uri_choice_TPL = pages_dir ^ "/templateambigpdq1.html";;
-let interactive_interpretation_choice_TPL =
- pages_dir ^ "/templateambigpdq2.html";;
-let constraints_choice_TPL = pages_dir ^ "/constraints_choice_template.html";;
-let final_results_TPL = pages_dir ^ "/templateambigpdq3.html";;
+let my_own_url =
+ let ic = Unix.open_process_in "hostname -f" in
+ let hostname = input_line ic in
+ ignore (Unix.close_process_in ic);
+ sprintf "http://%s:%d" hostname port
exception Chat_unfinished
+exception Invalid_action of string (* invalid action for "/search" method *)
+exception Unbound_identifier of string
+
+let javascript_quote s =
+ let rex = Pcre.regexp "'" in
+ let rex' = Pcre.regexp "\"" in
+ Pcre.replace ~rex ~templ:"\\'"
+ (Pcre.replace ~rex:rex' ~templ:"\\\"" s)
(* build a bool from a 1-character-string *)
let bool_of_string' = function
| "0" -> false
| "1" -> true
| s -> failwith ("Can't parse a boolean from string: " ^ s)
-;;
(* build an int option from a string *)
let int_of_string' = function
Some (int_of_string s)
with Failure "int_of_string" ->
failwith ("Can't parse an int option from string: " ^ s)
-;;
(* HTML pretty printers for mquery_generator types *)
(U.text_of_depth pos "")
else
"<input type=\"hidden\" name=\"obj_depth\" />")
-;;
let html_of_r_rel pos =
sprintf
"<tr><td><input type='checkbox' name='constr_rel' checked='on'/></td><td>%s</td><td><input name='rel_depth' size='2' type='text' value='%s' /></td></tr>"
(U.text_of_position (pos:>T.full_position)) (U.text_of_depth (pos:>T.full_position) "")
-;;
let html_of_r_sort (pos, sort) =
sprintf
"<tr><td><input type='checkbox' name='constr_sort' checked='on'/></td><td>%s</td><td>%s</td><td><input name='sort_depth' size='2' type='text' value='%s'/></td></tr>"
(U.text_of_sort sort) (U.text_of_position (pos:>T.full_position)) (U.text_of_depth (pos:>T.full_position) "")
-;;
+
+let query_of_req (req: Http_types.request) =
+ match req#path with
+ | "/elim" -> "Elim"
+ | "/match" -> "Match"
+ | "/hint" -> "Hint"
+ | "/locate" -> "Locate"
+ | _ -> assert false
(** pretty print a MathQL query result to an HELM theory file *)
-let theory_of_result result =
+let theory_of_result req result =
let results_no = List.length result in
if results_no > 0 then
let mode = if results_no > 10 then "linkonly" else "typeonly" in
let results =
let idx = ref (results_no + 1) in
List.fold_right
- (fun (uri,attrs) i ->
+ (fun uri i ->
decr idx ;
- "<tr><td valign=\"top\">" ^ string_of_int !idx ^ ".</td><td><ht:OBJECT uri=\"" ^ uri ^ "\" mode=\"" ^ mode ^ "\"/></td></tr>" ^ i
- ) result ""
+ sprintf
+ "<tr>
+ <td valign=\"top\">%d.</td>
+ <td><ht:OBJECT uri=\"%s\" mode=\"%s\"/></td>
+ </tr>%s"
+ !idx uri mode i)
+ result ""
in
- "<h1>Query Results:</h1><table xmlns:ht=\"http://www.cs.unibo.it/helm/namespaces/helm-theory\">" ^ results ^ "</table>"
+ sprintf
+ "<div class='resultsbar'>
+ <table width='100%%'>
+ <tr>
+ <td class='left'><b class='query_kind'>%s</b></td>
+ <td class='right'><b>%d</b> result%s found</td>
+ </tr>
+ </table>
+ </div>
+ <br />
+ <div>
+ <table xmlns:ht=\"http://www.cs.unibo.it/helm/namespaces/helm-theory\">%s</table>
+ </div>"
+ (query_of_req req)
+ results_no (if results_no > 1 then "s" else "") results
else
- "<h1>Query Results:</h1><p>No results found!</p>"
-;;
-
-let pp_result result =
- "<html xmlns:ht=\"http://www.cs.unibo.it/helm/namespaces/helm-theory\">\n<head><title>Query Results</title><style> A { text-decoration: none } </style></head>\n<body>" ^ theory_of_result result ^ "</body></html>"
-;;
+ "<div class='resultsbar'>no results found</div>"
+
+let pp_result req result =
+ sprintf
+ "<html xmlns:ht=\"http://www.cs.unibo.it/helm/namespaces/helm-theory\">
+ <head>
+ <title>Query results</title>
+ <style> A { text-decoration: none } </style>
+ </head>
+ <body>%s</body>
+ </html>"
+ (theory_of_result req result)
(** chain application of Pcre substitutions *)
let rec apply_substs substs line =
(** iter like function on files *)
let iter_file f = fold_file (fun _ line -> f line) ()
-let (title_tag_RE, choices_tag_RE, msg_tag_RE, id_to_uris_RE, id_RE,
- interpretations_RE, interpretations_labels_RE, results_RE, new_aliases_RE,
- form_RE, variables_initialization_RE)
+let (expression_tag_RE, action_tag_RE, advanced_tag_RE,
+ advanced_checked_RE, simple_checked_RE,
+ title_tag_RE, no_choices_tag_RE, current_choices_tag_RE,
+ choices_tag_RE, msg_tag_RE, id_to_uris_RE, id_RE, iden_tag_RE,
+ interpretations_RE, interpretations_labels_RE, results_RE, new_aliases_RE,
+ form_RE, variables_initialization_RE, search_engine_url_RE)
=
- (Pcre.regexp "@TITLE@", Pcre.regexp "@CHOICES@", Pcre.regexp "@MSG@",
- Pcre.regexp "@ID_TO_URIS@", Pcre.regexp "@ID@",
- Pcre.regexp "@INTERPRETATIONS@", Pcre.regexp "@INTERPRETATIONS_LABELS@",
- Pcre.regexp "@RESULTS@", Pcre.regexp "@NEW_ALIASES@", Pcre.regexp "@FORM@",
- Pcre.regexp "@VARIABLES_INITIALIZATION@")
+ (Pcre.regexp "@EXPRESSION@", Pcre.regexp "@ACTION@", Pcre.regexp "@ADVANCED@",
+ Pcre.regexp "@ADVANCED_CHECKED@", Pcre.regexp "@SIMPLE_CHECKED@",
+ Pcre.regexp "@TITLE@", Pcre.regexp "@NO_CHOICES@",
+ Pcre.regexp "@CURRENT_CHOICES@",
+ Pcre.regexp "@CHOICES@", Pcre.regexp "@MSG@",
+ Pcre.regexp "@ID_TO_URIS@", Pcre.regexp "@ID@", Pcre.regexp "@IDEN@",
+ Pcre.regexp "@INTERPRETATIONS@", Pcre.regexp "@INTERPRETATIONS_LABELS@",
+ Pcre.regexp "@RESULTS@", Pcre.regexp "@NEW_ALIASES@", Pcre.regexp "@FORM@",
+ Pcre.regexp "@VARIABLES_INITIALIZATION@", Pcre.regexp "@SEARCH_ENGINE_URL@")
let server_and_port_url_RE = Pcre.regexp "^http://([^/]+)/.*$"
-let port = Helm_registry.get_int "search_engine.port";;
-
-let pp_error = sprintf "<html><body><h1>Error: %s</h1></body></html>";;
+(* let pp_error = sprintf "<html><body><h1>Error: %s</h1></body></html>" *)
+let pp_error title msg =
+ sprintf "<hr size='1' /><div><b class='error'>%s:</b> %s</div>" title msg
let bad_request body outchan =
- Http_daemon.respond_error ~status:(`Client_error `Bad_request) ~body outchan
-;;
+ Http_daemon.respond_error ~code:(`Status (`Client_error `Bad_request)) ~body
+ outchan
-let contype = "Content-Type", "text/html";;
+let contype = "Content-Type", "text/html"
(* SEARCH ENGINE functions *)
let get_constraints term =
function
- | "/locateInductivePrinciple" ->
+ | "/elim" ->
None,
(CGLocateInductive.get_constraints term),
(None,None,None)
- | "/searchPattern" ->
+ | "/match" ->
let constr_obj, constr_rel, constr_sort =
CGSearchPattern.get_constraints term in
(Some CGSearchPattern.universe),
(constr_obj, constr_rel, constr_sort),
(Some constr_obj, Some constr_rel, Some constr_sort)
- | "/matchConclusion" ->
+ | "/hint" ->
let list_of_must, only = CGMatchConclusion.get_constraints [] [] term in
(* FG: there is no way to choose the block number ***************************)
let block = pred (List.length list_of_must) in
(Some CGMatchConclusion.universe),
(List.nth list_of_must block, [], []), (Some only, None, None)
| _ -> assert false
-;;
(*
format:
in
(must', only')
| _ -> failwith ("Can't parse constraint string: " ^ constraints)
-in
+
+let send_results results
+ ?(id_to_uris = DisambiguatingParser.EnvironmentP3.of_string "")
+ (req: Http_types.request) outchan
+ =
+ Http_daemon.send_basic_headers ~code:(`Code 200) outchan ;
+ Http_daemon.send_header "Content-Type" "text/xml" outchan;
+ Http_daemon.send_CRLF outchan ;
+ let results_string =
+ match results with
+ | `Results r -> theory_of_result req r
+ | `Error msg -> msg
+ in
+ let subst =
+ (search_engine_url_RE, my_own_url) ::
+ (results_RE, results_string)::
+ (advanced_tag_RE, req#param "advanced")::
+ (expression_tag_RE, req#param "expression")::
+ (List.map
+ (function (key,value) ->
+ let key' = (Pcre.extract ~pat:"param\\.(.*)" key).(1) in
+ Pcre.regexp ("@" ^ key' ^ "@"), value)
+ (List.filter
+ (fun (key,_) as p-> Pcre.pmatch ~pat:"^param\\." key)
+ req#params)) @
+ (if req#param "advanced" = "no" then
+ [ simple_checked_RE, "checked='true'";
+ advanced_checked_RE, "" ]
+ else
+ [ simple_checked_RE, "";
+ advanced_checked_RE, "checked='true'" ])
+ in
+ iter_file
+ (fun line ->
+ let new_aliases =
+ DisambiguatingParser.EnvironmentP3.to_string id_to_uris
+ in
+ let processed_line =
+ apply_substs
+ (* CSC: Bug here: this is a string, not an array! *)
+ ((new_aliases_RE, "'" ^ javascript_quote new_aliases ^ "'")::subst)
+ line
+ in
+ output_string outchan (processed_line ^ "\n"))
+ moogle_TPL
+
+let exec_action mqi_handle (req: Http_types.request) outchan =
+ let term_string = req#param "expression" in
+ let (context, metasenv) = ([], []) in
+ let id_to_uris_raw =
+ try req#param "aliases"
+ with Http_types.Param_not_found _ -> ""
+ in
+ let parse_interpretation_choices choices =
+ List.map int_of_string (Pcre.split ~pat:" " choices) in
+ let parse_choices choices_raw =
+ let choices = Pcre.split ~pat:";" choices_raw in
+ List.fold_left
+ (fun f x ->
+ match Pcre.split ~pat:"\\s" x with
+ | ""::id::tail
+ | id::tail when id<>"" ->
+ (fun id' ->
+ if id = id' then
+ Some (List.map (fun u -> Netencoding.Url.decode u) tail)
+ else
+ f id')
+ | _ -> failwith "Can't parse choices")
+ (fun _ -> None)
+ choices
+ in
+ let id_to_uris =
+ DisambiguatingParser.EnvironmentP3.of_string id_to_uris_raw in
+ let id_to_choices =
+ try
+ let choices_raw = req#param "choices" in
+ parse_choices choices_raw
+ with Http_types.Param_not_found _ -> (fun _ -> None)
+ in
+ let interpretation_choices =
+ try
+ let choices_raw = req#param "interpretation_choices" in
+ if choices_raw = "" then None
+ else Some (parse_interpretation_choices choices_raw)
+ with Http_types.Param_not_found _ -> None
+ in
+ let module Chat: DisambiguateTypes.Callbacks =
+ struct
+
+ let interactive_user_uri_choice
+ ~selection_mode ?ok
+ ?enable_button_for_non_vars ~(title: string) ~(msg: string)
+ ~(id: string) (choices: string list)
+ =
+ (match id_to_choices id with
+ | Some choices -> choices
+ | None ->
+ if req#param "advanced" = "no" then
+ let isvar s =
+ let len = String.length s in
+ let suffix = String.sub s (len-4) 4 in
+ not (suffix = ".var") in
+ List.filter isvar choices
+ else
+ let msg = Pcre.replace ~pat:"\'" ~templ:"\\\'" msg in
+ (match selection_mode with
+ | `SINGLE -> assert false
+ | `MULTIPLE ->
+ Http_daemon.send_basic_headers ~code:(`Code 200) outchan;
+ Http_daemon.send_CRLF outchan ;
+ let check_box uri =
+ "<input type=\"checkbox\" name=\"param.choices\"
+ value=\"" ^
+ uri ^ "\" />" ^ "<b>" ^ uri ^ "</b>" in
+(* aggiungere gli hyperlinks? *)
+ let check_boxes =
+ String.concat "<br />"
+ (List.map check_box choices) in
+ iter_file
+ (fun line ->
+ let processed_line =
+ apply_substs
+ [advanced_tag_RE, req#param "advanced";
+ choices_tag_RE, check_boxes;
+ no_choices_tag_RE,
+ string_of_int (List.length choices);
+ iden_tag_RE, id;
+ current_choices_tag_RE, req#param "choices";
+ expression_tag_RE, req#param "expression";
+ action_tag_RE, string_tail req#path ]
+ line
+ in
+ output_string outchan (processed_line ^ "\n"))
+ interactive_user_uri_choice_TPL;
+ raise Chat_unfinished))
+
+ let interactive_interpretation_choice interpretations =
+ match interpretation_choices with
+ Some l -> prerr_endline "CARRAMBA" ; l
+ | None ->
+ let html_interpretations =
+ let radio_button n =
+ "<input type=\"radio\" name=\"param.interp\" value=\"" ^
+ (string_of_int n) ^ "\" />" in
+ let text interp =
+ String.concat "<br />"
+ (List.map
+ (fun (id, value) ->
+ sprintf "<span>%s = %s</span>" id value)
+ interp) in
+ let rec aux n =
+ function
+ [] -> []
+ | interp::tl ->
+ ((radio_button n)^(text interp))::(aux (n+1) tl) in
+ String.concat "<br />" (aux 0 interpretations)
+ in
+ Http_daemon.send_basic_headers ~code:(`Code 200) outchan ;
+ Http_daemon.send_CRLF outchan ;
+ iter_file
+ (fun line ->
+ let processed_line =
+ apply_substs
+ [advanced_tag_RE, req#param "advanced";
+ interpretations_RE, html_interpretations;
+ current_choices_tag_RE, req#param "choices";
+ expression_tag_RE, req#param "expression";
+ action_tag_RE, string_tail req#path ]
+ line
+ in
+ output_string outchan (processed_line ^ "\n"))
+ interactive_interpretation_choice_TPL;
+ raise Chat_unfinished
+
+ let input_or_locate_uri ~title ?id () =
+ match id with
+ | Some id -> raise (Unbound_identifier id)
+ | None -> assert false
+
+ end
+ in
+ let module Disambiguate' = DisambiguatingParser.Make(Chat) in
+ let (id_to_uris', metasenv', term') =
+ match
+ Disambiguate'.disambiguate_term mqi_handle
+ context metasenv term_string id_to_uris
+ with
+ [id_to_uris',metasenv',term'] -> id_to_uris',metasenv',term'
+ | _ -> assert false
+ in
+ let universe,
+ ((must_obj, must_rel, must_sort) as must'),
+ ((only_obj, only_rel, only_sort) as only) =
+ get_constraints term' req#path
+ in
+ if
+ (try ignore (req#param "constraints"); false
+ with Http_types.Param_not_found _ -> true) &&
+ (req#param "advanced" = "no") && (req#path = "/hint")
+ then
+ let dbd =
+ match mqi_handle.MQIConn.pgc with
+ | MQIConn.MySQL_C conn -> conn
+ | _ -> assert false
+ in
+ let results = List.map snd (Match_concl.cmatch dbd term') in
+ send_results (`Results results) ~id_to_uris:id_to_uris' req outchan
+ else
+ let must'', only' =
+ (try
+ add_user_constraints
+ ~constraints:(req#param "constraints")
+ (must', only)
+ with Http_types.Param_not_found _ ->
+ if req#param "advanced" = "no" then
+ (must',only)
+ else
+ let variables =
+ "var aliases = '" ^ id_to_uris_raw ^ "';\n" ^
+ "var constr_obj_len = " ^
+ string_of_int (List.length must_obj) ^ ";\n" ^
+ "var constr_rel_len = " ^
+ string_of_int (List.length must_rel) ^ ";\n" ^
+ "var constr_sort_len = " ^
+ string_of_int (List.length must_sort) ^ ";\n" in
+ let form =
+ (if must_obj = [] then "" else
+ "<h4>Obj constraints</h4>" ^
+ "<table>" ^
+ (String.concat "\n" (List.map html_of_r_obj must_obj)) ^
+ "</table>" ^
+ (* The following three lines to make Javascript create *)
+ (* the constr_obj[] and obj_depth[] arrays even if we *)
+ (* have only one real entry. *)
+ "<input type=\"hidden\" name=\"constr_obj\" />" ^
+ "<input type=\"hidden\" name=\"obj_depth\" />") ^
+ (if must_rel = [] then "" else
+ "<h4>Rel constraints</h4>" ^
+ "<table>" ^
+ (String.concat "\n" (List.map html_of_r_rel must_rel)) ^
+ "</table>" ^
+ (* The following two lines to make Javascript create *)
+ (* the constr_rel[] and rel_depth[] arrays even if *)
+ (* we have only one real entry. *)
+ "<input type=\"hidden\" name=\"constr_rel\" />" ^
+ "<input type=\"hidden\" name=\"rel_depth\" />") ^
+ (if must_sort = [] then "" else
+ "<h4>Sort constraints</h4>" ^
+ "<table>" ^
+ (String.concat "\n" (List.map html_of_r_sort must_sort)) ^
+ "</table>" ^
+ (* The following two lines to make Javascript create *)
+ (* the constr_sort[] and sort_depth[] arrays even if *)
+ (* we have only one real entry. *)
+ "<input type=\"hidden\" name=\"constr_sort\" />" ^
+ "<input type=\"hidden\" name=\"sort_depth\" />") ^
+ "<h4>Only constraints</h4>" ^
+ "Enforce Only constraints for objects: " ^
+ "<input type='checkbox' name='only_obj'" ^
+ (if only_obj = None then "" else " checked='yes'") ^
+ " /><br />" ^
+ "Enforce Rel constraints for objects: " ^
+ "<input type='checkbox' name='only_rel'" ^
+ (if only_rel = None then "" else " checked='yes'") ^
+ " /><br />" ^
+ "Enforce Sort constraints for objects: " ^
+ "<input type='checkbox' name='only_sort'" ^
+ (if only_sort = None then "" else " checked='yes'") ^
+ " /><br />"
+ in
+ Http_daemon.send_basic_headers ~code:(`Code 200) outchan ;
+ Http_daemon.send_CRLF outchan ;
+ iter_file
+ (fun line ->
+ let processed_line =
+ apply_substs
+ [form_RE, form ;
+ variables_initialization_RE, variables;
+ advanced_tag_RE, req#param "advanced";
+ current_choices_tag_RE, req#param "choices";
+ interpretations_RE, req#param "interpretation_choices";
+ expression_tag_RE, req#param "expression";
+ action_tag_RE, string_tail req#path] line
+ in
+ output_string outchan (processed_line ^ "\n"))
+ constraints_choice_TPL;
+ raise Chat_unfinished)
+ in
+ let query =
+ G.query_of_constraints universe must'' only'
+ in
+ let results = MQueryInterpreter.execute mqi_handle query in
+ send_results (`Results (List.map fst results))
+ ~id_to_uris:id_to_uris' req outchan
(* HTTP DAEMON CALLBACK *)
+let build_dynamic_uri url params =
+ let p =
+ String.concat "&" (List.map (fun (key,value) -> (key ^ "=" ^ (Netencoding.Url.encode value))) params) in
+ url ^ "?" ^ p
+
+let build_uwobo_request (req: Http_types.request) outchan =
+ prerr_endline ("ECCOLO: " ^ req#param "param.SEARCH_ENGINE_URL");
+ let xmluri = build_dynamic_uri ((req#param "param.SEARCH_ENGINE_URL") ^ "/search") req#params in
+ prerr_endline ("xmluri: " ^ xmluri);
+ (*let xmluri = Netencoding.Url.encode xmluri in*)
+ let server_and_port = req#param "param.processorURL" in
+ let newreq =
+ build_dynamic_uri
+ (server_and_port ^ "apply")
+ (("xmluri",xmluri)::("keys",(req#param "param.thkeys"))::req#params) in
+ (* if List.mem server_and_port valid_servers then *)
+ prerr_endline newreq;
+ if true then
+ Http_daemon.respond
+ ~headers:["Content-Type", "text/html"]
+ ~body:(Http_client.http_get newreq)
+ outchan
+ else
+ Http_daemon.respond
+ ~body:(pp_error "Untrusted UWOBO server" server_and_port)
+ outchan
+
+let proxy url outchan =
+ let server_and_port =
+ (Pcre.extract ~rex:server_and_port_url_RE url).(1)
+ in
+ if List.mem server_and_port valid_servers then
+ Http_daemon.respond
+ ~headers:["Content-Type", "text/html"]
+ ~body:(Http_client.http_get url)
+ outchan
+ else
+ Http_daemon.respond
+ ~body:(pp_error "Untrusted UWOBO server" server_and_port)
+ outchan
+
let callback mqi_handle (req: Http_types.request) outchan =
try
debug_print (sprintf "Received request: %s" req#path);
(match req#path with
+ | "/help" -> Http_daemon.respond ~body:"HELM Search Engine" outchan
+ | "/locate" ->
+ let initial_expression =
+ try req#param "expression" with Http_types.Param_not_found _ -> ""
+ in
+ let expression =
+ Pcre.replace ~pat:"\\s*$"
+ (Pcre.replace ~pat:"^\\s*" initial_expression)
+ in
+ if expression = "" then
+ send_results (`Results []) req outchan
+ else
+ let results =
+ let query = G.locate expression in
+ MQueryInterpreter.execute mqi_handle query
+ in
+ send_results (`Results (List.map fst results)) req outchan
| "/execute" ->
let query_string = req#param "query" in
let lexbuf = Lexing.from_string query_string in
let query = MQueryUtil.query_of_text lexbuf in
let result = MQueryInterpreter.execute mqi_handle query in
- let result_string = pp_result result in
+ let result_string = pp_result req (List.map fst result) in
Http_daemon.respond ~body:result_string ~headers:[contype] outchan
- | "/locate" ->
- let id = req#param "id" in
- let query = G.locate id in
- let result = MQueryInterpreter.execute mqi_handle query in
- Http_daemon.respond ~headers:[contype] ~body:(pp_result result) outchan
+(* Http_daemon.respond ~headers:[contype] ~body:(pp_result req result) outchan *)
| "/unreferred" ->
let target = req#param "target" in
let source = req#param "source" in
let query = G.unreferred target source in
let result = MQueryInterpreter.execute mqi_handle query in
- Http_daemon.respond ~headers:[contype] ~body:(pp_result result) outchan
+ Http_daemon.respond ~headers:[contype]
+ ~body:(pp_result req (List.map fst result)) outchan
| "/getpage" ->
(* TODO implement "is_permitted" *)
+ let _ = prerr_endline
+ (Netencoding.Url.encode "http://mowgli.cs.unibo.it:38080/") in
(let is_permitted _ = true in
let remove_fragment uri = Pcre.replace ~pat:"#.*" uri in
let page = remove_fragment (req#param "url") in
(match page with
| page when is_permitted page ->
(let fname = sprintf "%s/%s" pages_dir (remove_fragment page) in
- Http_daemon.send_basic_headers ~code:200 outchan;
+ Http_daemon.send_basic_headers ~code:(`Code 200) outchan;
Http_daemon.send_header "Content-Type" "text/html" outchan;
Http_daemon.send_CRLF outchan;
if preprocess then begin
(fun line ->
output_string outchan
((apply_substs
+ ((search_engine_url_RE, my_own_url) ::
+ (advanced_tag_RE, "no") ::
+ (results_RE, "") ::
(List.map
(function (key,value) ->
let key' =
(List.filter
(fun (key,_) as p-> Pcre.pmatch ~pat:"^param\\." key)
req#params)
- )
+ ))
line) ^
"\n"))
fname
end else
Http_daemon.send_file ~src:(FileSrc fname) outchan)
| page -> Http_daemon.respond_forbidden ~url:page outchan))
- | "/ask_uwobo" ->
- let url = req#param "url" in
- let server_and_port =
- (Pcre.extract ~rex:server_and_port_url_RE url).(1)
- in
- if List.mem server_and_port valid_servers then
- Http_daemon.respond
- ~headers:["Content-Type", "text/html"]
- ~body:(Http_client.http_get url)
- outchan
- else
- Http_daemon.respond
- ~body:(pp_error ("Untrusted UWOBO server: " ^ server_and_port))
- outchan
- | "/searchPattern"
- | "/matchConclusion"
- | "/locateInductivePrinciple" ->
- let term_string = req#param "term" in
- let (context, metasenv) = ([], []) in
- let id_to_uris_raw = req#param "aliases" in
-(*XXX
- let tokens = Pcre.split ~pat:"\\s" id_to_uris_raw in
- let rec parse_tokens keys lookup = function (* TODO spostarla fuori *)
- | [] -> keys, lookup
- | "alias" :: key :: value :: rest ->
- let key' = CicTextualParser0.Id key in
- parse_tokens
- (key'::keys)
- (fun id ->
- if id = key' then
- Some
- (CicTextualParser0.Uri (MQueryMisc.cic_textual_parser_uri_of_string value))
- else lookup id)
- rest
- | _ -> failwith "Can't parse aliases"
- in
-*)
- let parse_choices choices_raw =
- let choices = Pcre.split ~pat:";" choices_raw in
- List.fold_left
- (fun f x ->
- match Pcre.split ~pat:"\\s" x with
- | ""::id::tail
- | id::tail when id<>"" ->
- (fun id' ->
- if id = id' then
- Some (List.map (fun u -> Netencoding.Url.decode u) tail)
- else
- f id')
- | _ -> failwith "Can't parse choices")
- (fun _ -> None)
- choices
- in
- let id_to_uris =
- DisambiguatingParser.EnvironmentP3.of_string id_to_uris_raw in
-print_endline ("id_to_uris_raw: " ^ id_to_uris_raw) ;
-print_endline ("id_to_uris: " ^ (DisambiguatingParser.EnvironmentP3.to_string id_to_uris)) ;
- let id_to_choices =
- try
- let choices_raw = req#param "choices" in
- parse_choices choices_raw
- with Http_types.Param_not_found _ -> (fun _ -> None)
- in
- let module Chat: DisambiguateTypes.Callbacks =
- struct
-
- let interactive_user_uri_choice
- ~selection_mode ?ok
- ?enable_button_for_non_vars ~(title: string) ~(msg: string)
- ~(id: string) (choices: string list)
- =
- (match id_to_choices id with
- | Some choices -> choices
- | None ->
- let msg = Pcre.replace ~pat:"\'" ~templ:"\\\'" msg in
- (match selection_mode with
- | `SINGLE -> assert false
- | `MULTIPLE ->
- Http_daemon.send_basic_headers ~code:200 outchan ;
- Http_daemon.send_CRLF outchan ;
- iter_file
- (fun line ->
- let formatted_choices =
- String.concat ","
- (List.map (fun uri -> sprintf "\'%s\'" uri) choices)
- in
- let processed_line =
- apply_substs
- [title_tag_RE, title;
- choices_tag_RE, formatted_choices;
- msg_tag_RE, msg;
- id_to_uris_RE, id_to_uris_raw;
- id_RE, id]
- line
- in
- output_string outchan (processed_line ^ "\n"))
- interactive_user_uri_choice_TPL;
- raise Chat_unfinished))
-
- let interactive_interpretation_choice interpretations =
- let html_interpretations_labels =
- String.concat ", "
- (List.map
- (fun l ->
- "\'" ^
- (String.concat "<br />"
- (List.map
- (fun (id, value) ->
- (sprintf "alias id %s = %s" id value))
- l)) ^
- "\'")
- interpretations)
- in
- let html_interpretations =
- String.concat ", "
- (List.map
- (fun l ->
- "\'" ^
- (String.concat " "
- (List.map
- (fun (id, value) ->
- (sprintf "alias id %s = %s"
- id
- (MQueryMisc.wrong_xpointer_format_from_wrong_xpointer_format'
- value)))
- l)) ^
- "\'")
- interpretations)
- in
- Http_daemon.send_basic_headers ~code:200 outchan ;
- Http_daemon.send_CRLF outchan ;
- iter_file
- (fun line ->
- let processed_line =
- apply_substs
- [interpretations_RE, html_interpretations;
- interpretations_labels_RE, html_interpretations_labels]
- line
- in
- output_string outchan (processed_line ^ "\n"))
- interactive_interpretation_choice_TPL;
- raise Chat_unfinished
-
- let input_or_locate_uri ~title =
- UriManager.uri_of_string "cic:/Coq/Init/DataTypes/nat_ind.con"
-
- end
- in
- let module Disambiguate' = DisambiguatingParser.Make(Chat) in
- let (id_to_uris', metasenv', term') =
- Disambiguate'.disambiguate_term mqi_handle
- context metasenv term_string id_to_uris
- in
- (match metasenv' with
- | [] ->
- let universe,
- ((must_obj, must_rel, must_sort) as must'),
- ((only_obj, only_rel, only_sort) as only) =
- get_constraints term' req#path
- in
- let must'', only' =
- (try
- add_user_constraints
- ~constraints:(req#param "constraints")
- (must', only)
- with Http_types.Param_not_found _ ->
- let variables =
- "var aliases = '" ^ id_to_uris_raw ^ "';\n" ^
- "var constr_obj_len = " ^
- string_of_int (List.length must_obj) ^ ";\n" ^
- "var constr_rel_len = " ^
- string_of_int (List.length must_rel) ^ ";\n" ^
- "var constr_sort_len = " ^
- string_of_int (List.length must_sort) ^ ";\n" in
- let form =
- (if must_obj = [] then "" else
- "<h4>Obj constraints</h4>" ^
- "<table>" ^
- (String.concat "\n" (List.map html_of_r_obj must_obj)) ^
- "</table>" ^
- (* The following three lines to make Javascript create *)
- (* the constr_obj[] and obj_depth[] arrays even if we *)
- (* have only one real entry. *)
- "<input type=\"hidden\" name=\"constr_obj\" />" ^
- "<input type=\"hidden\" name=\"obj_depth\" />") ^
- (if must_rel = [] then "" else
- "<h4>Rel constraints</h4>" ^
- "<table>" ^
- (String.concat "\n" (List.map html_of_r_rel must_rel)) ^
- "</table>" ^
- (* The following two lines to make Javascript create *)
- (* the constr_rel[] and rel_depth[] arrays even if *)
- (* we have only one real entry. *)
- "<input type=\"hidden\" name=\"constr_rel\" />" ^
- "<input type=\"hidden\" name=\"rel_depth\" />") ^
- (if must_sort = [] then "" else
- "<h4>Sort constraints</h4>" ^
- "<table>" ^
- (String.concat "\n" (List.map html_of_r_sort must_sort)) ^
- "</table>" ^
- (* The following two lines to make Javascript create *)
- (* the constr_sort[] and sort_depth[] arrays even if *)
- (* we have only one real entry. *)
- "<input type=\"hidden\" name=\"constr_sort\" />" ^
- "<input type=\"hidden\" name=\"sort_depth\" />") ^
- "<h4>Only constraints</h4>" ^
- "Enforce Only constraints for objects: " ^
- "<input type='checkbox' name='only_obj'" ^
- (if only_obj = None then "" else " checked='yes'") ^ " /><br />" ^
- "Enforce Rel constraints for objects: " ^
- "<input type='checkbox' name='only_rel'" ^
- (if only_rel = None then "" else " checked='yes'") ^ " /><br />" ^
- "Enforce Sort constraints for objects: " ^
- "<input type='checkbox' name='only_sort'" ^
- (if only_sort = None then "" else " checked='yes'") ^ " /><br />"
- in
- Http_daemon.send_basic_headers ~code:200 outchan ;
- Http_daemon.send_CRLF outchan ;
- iter_file
- (fun line ->
- let processed_line =
- apply_substs
- [form_RE, form ;
- variables_initialization_RE, variables] line
- in
- output_string outchan (processed_line ^ "\n"))
- constraints_choice_TPL;
- raise Chat_unfinished)
- in
- let query =
- G.query_of_constraints universe must'' only'
- in
- let results = MQueryInterpreter.execute mqi_handle query in
- Http_daemon.send_basic_headers ~code:200 outchan ;
- Http_daemon.send_CRLF outchan ;
- iter_file
- (fun line ->
- let new_aliases =
- DisambiguatingParser.EnvironmentP3.to_string id_to_uris' in
-(*XXX
- match id_to_uris' with
- | (domain, f) ->
- String.concat ", "
- (List.map
- (fun name ->
- sprintf "\'alias %s cic:%s\'"
- (match name with
- CicTextualParser0.Id name -> name
- | _ -> assert false (*CSC: completare *))
- (match f name with
- | None -> assert false
- | Some (CicTextualParser0.Uri t) ->
- MQueryMisc.string_of_cic_textual_parser_uri
- t
- | _ -> assert false (*CSC: completare *)))
- domain)
- in
-*)
- let processed_line =
- apply_substs
- [results_RE, theory_of_result results ;
- new_aliases_RE, new_aliases]
- line
- in
- output_string outchan (processed_line ^ "\n"))
- final_results_TPL
- | _ -> (* unable to instantiate some implicit variable *)
- Http_daemon.respond
- ~headers:[contype]
- ~body:"some implicit variables are still unistantiated :-("
- outchan)
+ (* OLD | "/ask_uwobo" -> proxy (req#param "url") outchan *)
+ | "/ask_uwobo" -> build_uwobo_request req outchan
+ | "/hint" | "/match" | "/elim" -> exec_action mqi_handle req outchan
| invalid_request ->
- Http_daemon.respond_error ~status:(`Client_error `Bad_request) outchan);
+ Http_daemon.respond_error ~code:(`Status (`Client_error `Bad_request))
+ outchan);
debug_print (sprintf "%s done!" req#path)
with
| Chat_unfinished -> prerr_endline "Chat unfinished, Try again!"
| Http_types.Param_not_found attr_name ->
bad_request (sprintf "Parameter '%s' is missing" attr_name) outchan
- | exc ->
- Http_daemon.respond
- ~body:(pp_error ("Uncaught exception: " ^ (Printexc.to_string exc)))
- outchan
-in
-printf "%s started and listening on port %d\n" daemon_name port;
-printf "Current directory is %s\n" (Sys.getcwd ());
-printf "HTML directory is %s\n" pages_dir;
-flush stdout;
-Unix.putenv "http_proxy" "";
-let mqi_handle = C.init ~log:debug_print () in
-Http_daemon.start' ~port (callback mqi_handle);
-C.close mqi_handle;
-printf "%s is terminating, bye!\n" daemon_name
+ | CicTextualParser2.Parse_error msg ->
+ send_results (`Error (pp_error "Parse_error" msg)) req outchan
+ | Unbound_identifier id ->
+ send_results (`Error (pp_error "Unbound identifier" id)) req outchan
+ | exn ->
+ let exn_string = Printexc.to_string exn in
+ debug_print exn_string;
+ let msg = pp_error "Uncaught exception" exn_string in
+ send_results (`Error msg) req outchan
+
+let _ =
+ printf "%s started and listening on port %d\n" daemon_name port;
+ printf "Current directory is %s\n" (Sys.getcwd ());
+ printf "HTML directory is %s\n" pages_dir;
+ flush stdout;
+ Unix.putenv "http_proxy" "";
+ let mqi_handle = C.init ~log:debug_print () in
+ Http_daemon.start' ~port (callback mqi_handle);
+ C.close mqi_handle;
+ printf "%s is terminating, bye!\n" daemon_name
+
projects / helm.git / blobdiff