package eliom
Advanced Client/server Web and mobile framework
Install
dune-project
Dependency
Authors
Maintainers
Sources
10.2.0.tar.gz
md5=089b68d5bac8dfae1116923f6d95b39c
sha512=b4828b57d963d217ca0efd871b1c0b3f8816c7971825eb49d0dc06dbd91004fc659f83f9121d849ab8de47560941d07b2b9c1838b3387e7c1a4d3d6b9058936b
doc/src/eliom.client/eliom_content_core.ml.html
Source file eliom_content_core.ml
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# 1 "src/lib/eliom_content_core.client.ml" (* Ocsigen * http://www.ocsigen.org * Copyright (C) 2012 Vincent Balat, Benedikt Becker * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, with linking exception; * either version 2.1 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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. *) (* This the core of [Eliom_content] without its dependencies to [Eliom_service], [Eliom_client] et al. Its name is not [Eliom_content_base] because this would suggest the sharing between server and client. *) open Js_of_ocaml open Eliom_lib module Xml = struct include Eliom_runtime.RawXML module W = Xml_wrap.NoWrap type 'a wrap = 'a type 'a list_wrap = 'a list type econtent = | Empty | Comment of string | EncodedPCDATA of string | PCDATA of string | Entity of string | Leaf of ename * attrib list | Node of ename * attrib list * elt list and node = | DomNode of Dom.node Js.t | TyXMLNode of econtent | ReactNode of elt React.signal | ReactChildren of econtent * elt ReactiveData.RList.t and elt = { (* See Eliom_content.Html.To_dom for the 'unwrap' function that convert the server's tree representation into the client one. *) mutable elt : node lazy_t ; node_id : node_id } let content e = match Lazy.force e.elt with | ReactChildren _ | ReactNode _ | DomNode _ -> assert false (* TODO *) | TyXMLNode elt -> elt let get_node e = Lazy.force e.elt let set_dom_node elt node = elt.elt <- Lazy.from_val (DomNode node) let get_node_id elt = elt.node_id let make ?(id = NoId) elt = {elt = Lazy.from_val (TyXMLNode elt); node_id = id} let make_dom ?(id = NoId) node = {elt = Lazy.from_val (DomNode node); node_id = id} let make_lazy ?(id = NoId) lazy_elt = let f () = let elt = Lazy.force lazy_elt in assert (elt.node_id = id); Lazy.force elt.elt in {node_id = id; elt = Lazy.from_fun f} let force_lazy {elt; _} = ignore (Lazy.force elt) let make_react ?(id = NoId) signal = {elt = Lazy.from_val (ReactNode signal); node_id = id} let empty () = make Empty let comment c = make (Comment c) let pcdata d = make (PCDATA d) let encodedpcdata d = make (EncodedPCDATA d) let entity e = make (Entity e) let leaf ?(a = []) name = make (Leaf (name, a)) let node ?(a = []) name children = make (Node (name, a, children)) let lazy_node ?a name children = node ?a name (Eliom_lazy.force children) type event_handler = Dom_html.event Js.t -> unit type mouse_event_handler = Dom_html.mouseEvent Js.t -> unit type keyboard_event_handler = Dom_html.keyboardEvent Js.t -> unit type touch_event_handler = Dom_html.touchEvent Js.t -> unit let event_handler_attrib name (value : event_handler) = internal_event_handler_attrib name (Caml (CE_client_closure value)) let mouse_event_handler_attrib name (value : mouse_event_handler) = internal_event_handler_attrib name (Caml (CE_client_closure_mouse value)) let keyboard_event_handler_attrib name (value : keyboard_event_handler) = internal_event_handler_attrib name (Caml (CE_client_closure_keyboard value)) let touch_event_handler_attrib name (value : touch_event_handler) = internal_event_handler_attrib name (Caml (CE_client_closure_touch value)) let node_react_children ?(a = []) name children = { elt = Lazy.from_val (ReactChildren (Node (name, a, []), children)) ; node_id = NoId } let end_re = Regexp.regexp_string "]]>" let make_node_name = let node_id_counter = ref 0 in fun ?(global = true) () -> incr node_id_counter; (if global then "global_" else "") ^ "client_" ^ string_of_int !node_id_counter let make_process_node ?(id = make_node_name ~global:true ()) elt = {elt with node_id = ProcessId id} let make_request_node ?(reset = true) elt = let f () = let id = RequestId (make_node_name ~global:false ()) in {elt with node_id = id} in if reset then f () else match elt.node_id with Eliom_runtime.RawXML.NoId -> f () | _ -> elt let cdata s = let s' = "\n<![CDATA[\n" ^ Regexp.global_replace end_re s "" ^ "\n]]>\n" in encodedpcdata s' let cdata_script s = let s' = "\n//<![CDATA[\n" ^ Regexp.global_replace end_re s "" ^ "\n//]]>\n" in encodedpcdata s' let cdata_style s = let s' = "\n/* <![CDATA[ */\n" ^ Regexp.global_replace end_re s "" ^ "\n/* ]]> */\n" in encodedpcdata s' let set_classes node_id = function | (Empty | Comment _ | EncodedPCDATA _ | PCDATA _ | Entity _) as e -> e | Leaf (ename, attribs) -> Leaf (ename, filter_class_attribs node_id attribs) | Node (ename, attribs, sons) -> Node (ename, filter_class_attribs node_id attribs, sons) let set_classes_of_elt elt = match Lazy.force elt.elt with | DomNode _ -> failwith "Eliom_content_core.set_classes_of_elt" | ReactNode _ -> failwith "Eliom_content_core.set_classes_of_elt" | ReactChildren _ -> failwith "Eliom_content_core.set_classes_of_elt" | TyXMLNode econtent -> { elt with elt = Lazy.from_val (TyXMLNode (set_classes elt.node_id econtent)) } let string_of_node_id = function | NoId -> "NoId" | ProcessId s -> "ProcessId " ^ s | RequestId s -> "RequestId " ^ s end module Xml_wed = struct module W = Js_of_ocaml_tyxml.Tyxml_js.Wrap type 'a wrap = 'a W.t type 'a list_wrap = 'a W.tlist type uri = Xml.uri let string_of_uri = Xml.string_of_uri let uri_of_string = Xml.uri_of_string type aname = Xml.aname type event_handler = Xml.event_handler type mouse_event_handler = Xml.mouse_event_handler type keyboard_event_handler = Xml.keyboard_event_handler type touch_event_handler = Xml.touch_event_handler type attrib = Xml.attrib let float_attrib name s : attrib = ( name , Xml.RAReact (Js_of_ocaml_tyxml.Tyxml_js.Wrap.fmap (fun f -> Some (Xml.AFloat f)) s) ) let int_attrib name s = name, Xml.RAReact (React.S.map (fun f -> Some (Xml.AInt f)) s) let string_attrib name s = name, Xml.RAReact (React.S.map (fun f -> Some (Xml.AStr f)) s) let space_sep_attrib name s = name, Xml.RAReact (React.S.map (fun f -> Some (Xml.AStrL (Xml.Space, f))) s) let comma_sep_attrib name s = name, Xml.RAReact (React.S.map (fun f -> Some (Xml.AStrL (Xml.Comma, f))) s) let event_handler_attrib = Xml.event_handler_attrib let mouse_event_handler_attrib = Xml.mouse_event_handler_attrib let keyboard_event_handler_attrib = Xml.keyboard_event_handler_attrib let touch_event_handler_attrib = Xml.touch_event_handler_attrib let uri_attrib name value = ( name , Xml.RAReact (React.S.map (fun f -> Some (Xml.AStr (Eliom_lazy.force f))) value) ) let uris_attrib name value = ( name , Xml.RAReact (React.S.map (fun f -> Some (Xml.AStrL (Xml.Space, Eliom_lazy.force f))) value) ) type elt = Xml.elt type ename = Xml.ename let empty = Xml.empty let comment = Xml.comment let pcdata s = Xml.make_react (React.S.map Xml.pcdata s) let encodedpcdata s = Xml.make_react (React.S.map Xml.encodedpcdata s) let entity = Xml.entity let leaf = Xml.leaf let node ?a name l = Xml.node_react_children ?a name l let cdata = Xml.cdata let cdata_script = Xml.cdata_script let cdata_style = Xml.cdata_style end module Svg = struct module D = struct module Raw = Svg_f.Make (struct include Xml let make elt = make_request_node (make elt) let empty () = make Empty let comment c = make (Comment c) let pcdata d = make (PCDATA d) let encodedpcdata d = make (EncodedPCDATA d) let entity e = make (Entity e) let leaf ?(a = []) name = make (Leaf (name, a)) let node ?(a = []) name children = make (Node (name, a, children)) end) include Raw end module F = struct module Raw = Svg_f.Make (Xml) include Raw end module R = struct let node s = Xml.make_react s module Raw = Svg_f.Make (Xml_wed) include Raw end type +'a elt = 'a F.elt type 'a wrap = 'a F.wrap type 'a list_wrap = 'a F.list_wrap type +'a attrib = 'a F.attrib type uri = F.uri module Id = struct type 'a id = string (* FIXME invariant type parameter ? *) let new_elt_id : ?global:bool -> unit -> 'a id = Xml.make_node_name let create_named_elt ~(id : 'a id) elt = D.tot (Xml.make_process_node ~id (D.toelt elt)) let create_global_elt elt = D.tot (Xml.make_process_node (D.toelt elt)) let create_request_elt ?(reset = true) elt = D.tot (Xml.make_request_node ~reset (D.toelt elt)) let string_of_id x = x end module Of_dom = struct let rebuild_xml (node : 'a Js.t) : 'a F.elt = Xml.make_dom (node :> Dom.node Js.t) let of_element : Dom_html.element Js.t -> 'a elt = rebuild_xml end end module Html = struct module D = struct module Xml' = struct include Xml let make elt = make_request_node (make elt) let empty () = make Empty let comment c = make (Comment c) let pcdata d = make (PCDATA d) let encodedpcdata d = make (EncodedPCDATA d) let entity e = make (Entity e) let leaf ?(a = []) name = make (Leaf (name, a)) let node ?(a = []) name children = make (Node (name, a, children)) let lazy_node ?(a = []) name children = make (Node (name, a, Eliom_lazy.force children)) end module Raw = Html_f.Make (Xml') (Svg.D.Raw) include Raw type ('a, 'b, 'c) lazy_star = ?a:'a attrib list -> 'b elt list Eliom_lazy.request -> 'c elt let lazy_form ?(a = []) elts = tot (Xml'.lazy_node ~a:(to_xmlattribs a) "form" (Eliom_lazy.from_fun (fun () -> toeltl (Eliom_lazy.force elts)))) end module R = struct let node s = Xml.make_react s module Raw = Html_f.Make (Xml_wed) (Svg.R) let filter_attrib (name, a) on = let v = match a with | Xml.RA a -> Xml.RAReact (React.S.map (function true -> Some a | false -> None) on) | Xml.RAReact s -> Xml.RAReact (React.S.l2 (fun v b -> if b then v else None) s on) | Xml.RALazyStr s -> Xml.RAReact (React.S.map (function | true -> Some (Xml.AStr (Eliom_lazy.force s)) | false -> None) on) | Xml.RALazyStrL (sep, l) -> Xml.RAReact (React.S.map (function | true -> Some (Xml.AStrL (sep, List.map Eliom_lazy.force l)) | false -> None) on) | Xml.RACamlEventHandler _ -> failwith "R.filter_attrib not implemented for event handler" | Xml.RAClient _ -> assert false in name, v include Raw end module F = struct module Xml' = Xml module Raw = Html_f.Make (Xml') (Svg.F.Raw) include Raw type ('a, 'b, 'c) lazy_star = ?a:'a attrib list -> 'b elt list Eliom_lazy.request -> 'c elt let lazy_form ?(a = []) elts = tot (Xml'.lazy_node ~a:(to_xmlattribs a) "form" (Eliom_lazy.from_fun (fun () -> toeltl (Eliom_lazy.force elts)))) end type +'a elt = 'a F.elt type 'a wrap = 'a F.wrap type 'a list_wrap = 'a F.list_wrap type +'a attrib = 'a F.attrib type uri = F.uri module Id = struct type 'a id = string (* FIXME invariant type parameter ? *) let new_elt_id : ?global:bool -> unit -> 'a id = Xml.make_node_name let create_named_elt ~(id : 'a id) elt = D.tot (Xml.make_process_node ~id (D.toelt elt)) let create_global_elt elt = D.tot (Xml.make_process_node (D.toelt elt)) let create_request_elt ?(reset = true) elt = D.tot (Xml.make_request_node ~reset (D.toelt elt)) let string_of_id x = x end module Custom_data = struct type 'a t = { name : string ; to_string : 'a -> string ; of_string : string -> 'a ; default : 'a option } let create ~name ?default ~to_string ~of_string () = {name; of_string; to_string; default} let create_json ~name ?default typ = {name; of_string = of_json ~typ; to_string = to_json ~typ; default} let attrib custom_data value = F.a_user_data custom_data.name (custom_data.to_string value) let attribute_name name = "data-" ^ name let get_dom (element : Dom_html.element Js.t) custom_data = Js.Opt.case element ## (getAttribute (Js.string (attribute_name custom_data.name))) (fun () -> match custom_data.default with | Some value -> value | None -> raise Not_found) (fun str -> custom_data.of_string (Js.to_string str)) let set_dom element custom_data value = element ## (setAttribute (Js.string (attribute_name custom_data.name)) (Js.string (custom_data.to_string value))) end module Of_dom = Js_of_ocaml_tyxml.Tyxml_cast.MakeOf (struct type 'a elt = 'a F.elt let elt (node : 'a Js.t) : 'a elt = Xml.make_dom (node :> Dom.node Js.t) end) let set_classes_of_elt elt = F.tot (Xml.set_classes_of_elt (F.toelt elt)) end
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