AllenGeng/ocamlgithub · Datasets at Hugging Face

text stringlengths 12 786k
let shortest re = modifier Re . shortest re
let first re = modifier Re . first re
let greedy re = modifier Re . greedy re
let non_greedy re = modifier Re . non_greedy re
let nest re = modifier Re . nest re
module Regex = struct open ! Re let pos_int = rep1 digit let int = seq [ opt ( char ' ' ) - ; pos_int ] let float = seq [ opt ( char ' ' ) - ; rep1 digit ; opt ( seq [ char ' . ' ; rep digit ] ) ] let bool = alt [ str " true " ; str " false " ] end
let unit s re = conv ( fun _ -> ( ) ) ( fun ( ) -> s ) ( regex re )
let start = unit " " Re . start
let stop = unit " " Re . stop
let str s = unit s ( Re . str s )
let char c = let s = String . make 1 c in unit s ( Re . char c )
let blanks = unit " " ( Re . rep Re . blank )
let pos_int = conv int_of_string string_of_int ( regex Regex . pos_int )
let int = conv int_of_string string_of_int ( regex Regex . int )
let float = conv float_of_string string_of_float ( regex Regex . float )
let bool = conv bool_of_string string_of_bool ( regex Regex . bool )
let list e = conv Seq . to_list Seq . of_list ( rep e )
let terminated_list ~ sep e = list ( e <* sep )
let separated_list ~ sep e = let e = opt ( e <&> list ( sep *> e ) ) in let to_ = function None -> [ ] \| Some ( h , t ) -> ( h :: t ) and from_ = function [ ] -> None \| h :: t -> Some ( h , t ) in conv to_ from_ e
let rec witnesspp : type a . Format . formatter -> a t -> unit = fun ppf tre -> let open T in match tre with \| Regexp ( re , _ ) -> Format . pp_print_string ppf @@ Re . witness re \| Conv ( tre , _ ) -> witnesspp ppf tre \| Opt _ -> ( ) \| Alt ( tre1 , _ ) -> witnesspp ppf tre1 \| Seq ( tre1 , tre2 ) -> witnesspp ppf tre1 ; witnesspp ppf tre2 \| Prefix ( tre1 , tre2 ) -> witnesspp ppf tre1 ; witnesspp ppf tre2 \| Suffix ( tre1 , tre2 ) -> witnesspp ppf tre1 ; witnesspp ppf tre2 \| Rep _ -> ( ) \| Mod ( _ , tre ) -> witnesspp ppf tre
let rec pprep f ppf seq = match seq ( ) with \| Seq . Nil -> ( ) \| Cons ( x , seq ) -> f ppf x ; pprep f ppf seq
let rec evalpp : type a . a t -> Format . formatter -> a -> unit = fun tre ppf -> let open T in match tre with \| Regexp ( _ , lazy cre ) -> begin function v -> if not @@ Re . execp cre v then invalid_arg @@ Printf . sprintf " Tyre . eval : regexp not respected by " \% s " . " \ v ; pstr ppf v end \| Conv ( tre , conv ) -> fun v -> evalpp tre ppf ( conv . from_ v ) \| Opt p -> begin function \| None -> pstr ppf " " \| Some x -> evalpp p ppf x end \| Seq ( tre1 , tre2 ) -> fun ( x1 , x2 ) -> evalpp tre1 ppf x1 ; evalpp tre2 ppf x2 ; \| Prefix ( tre_l , tre ) -> fun v -> witnesspp ppf tre_l ; evalpp tre ppf v \| Suffix ( tre , tre_g ) -> fun v -> evalpp tre ppf v ; witnesspp ppf tre_g \| Alt ( treL , treR ) -> begin function \| ` Left x -> evalpp treL ppf x \| ` Right x -> evalpp treR ppf x end \| Rep tre -> pprep ( evalpp tre ) ppf \| Mod ( _ , tre ) -> evalpp tre ppf
let eval tre = Format . asprintf " % a " ( evalpp tre )
let rec build : type a . int -> a t -> int * a T . wit * Re . t = let open ! Re in let open T in fun i -> function \| Regexp ( re , _ ) -> ( i + 1 ) , Lit i , group @@ no_group re \| Conv ( e , conv ) -> let i ' , w , re = build i e in i ' , Conv ( w , conv ) , re \| Opt e -> let i ' , w , ( id , re ) = map_3 mark @@ build i e in i ' , Opt ( id , w ) , opt re \| Alt ( e1 , e2 ) -> let i ' , w1 , ( id1 , re1 ) = map_3 mark @@ build i e1 in let i ' ' , w2 , re2 = build i ' e2 in i ' ' , Alt ( id1 , w1 , w2 ) , alt [ re1 ; re2 ] \| Prefix ( e_ign , e ) -> let i ' , w , re = build i e in let _ , _ , re_ign = build 1 e_ign in i ' , w , seq [ no_group re_ign ; re ] \| Suffix ( e , e_ign ) -> let i ' , w , re = build i e in let _ , _ , re_ign = build 1 e_ign in i ' , w , seq [ re ; no_group re_ign ] \| Seq ( e1 , e2 ) -> let i ' , w1 , re1 = build i e1 in let i ' ' , w2 , re2 = build i ' e2 in i ' ' , Seq ( w1 , w2 ) , seq [ re1 ; re2 ] \| Rep e -> let _ , w , re = build 1 e in ( i + 1 ) , Rep ( i , w , Re . compile re ) , group @@ rep @@ no_group re \| Mod ( f , e ) -> let i ' , w , re = build i e in i ' , w , f re : type a . original : string -> a T . wit -> Re . Group . t -> a = fun ~ original rea s -> let open T in match rea with \| Lit i -> Re . Group . get s i \| Conv ( w , conv ) -> let v = extract ~ original w s in conv . to_ v \| Opt ( id , w ) -> if not @@ Re . Mark . test s id then None else Some ( extract ~ original w s ) \| Alt ( i1 , w1 , w2 ) -> if Re . Mark . test s i1 then ` Left ( extract ~ original w1 s ) else ` Right ( extract ~ original w2 s ) \| Seq ( e1 , e2 ) -> let v1 = extract ~ original e1 s in let v2 = extract ~ original e2 s in ( v1 , v2 ) \| Rep ( i , e , re ) -> extract_list ~ original e re i s : type a . original : string -> a T . wit -> Re . re -> int -> Re . Group . t -> a Seq . t = fun ~ original e re i s -> let aux = extract ~ original e in let ( pos , pos ' ) = Re . Group . offset s i in let len = pos ' - pos in Seq . map aux @@ Re . Seq . all ~ pos ~ len re original
type ' + r route = Route : ' a t * ( ' a -> ' r ) -> ' r route
let route re f = Route ( re , f )
type ' r wit_route = WRoute : Re . Mark . t * ' a T . wit * ( ' a -> ' r ) -> ' r wit_route
let rec build_route_aux i rel wl = function \| [ ] -> List . rev rel , List . rev wl \| Route ( tre , f ) :: l -> let i ' , wit , re = build i tre in let id , re = Re . mark re in let w = WRoute ( id , wit , f ) in build_route_aux i ' ( re :: rel ) ( w :: wl ) l
let build_route l = build_route_aux 1 [ ] [ ] l
let rec extract_route ~ original wl subs = match wl with \| [ ] -> assert false \| WRoute ( id , wit , f ) :: wl -> if Re . Mark . test subs id then f ( extract ~ original wit subs ) else extract_route ~ original wl subs
type ' r info = \| One of ' r T . wit \| Routes of ' r wit_route list
type ' a re = { info : ' a info ; cre : Re . re }
let compile tre = let _ , wit , re = build 1 tre in let cre = Re . compile re in { info = One wit ; cre }
let route l = let rel , wl = build_route l in let cre = Re . compile @@ Re . alt rel in { info = Routes wl ; cre }
type ' a error = [ \| ` NoMatch of ' a re * string \| ` ConverterFailure of exn ]
let extract_with_info ~ info ~ original subs = match info with \| One w -> extract ~ original w subs \| Routes wl -> extract_route ~ original wl subs match Re . exec_opt ? pos ? len cre original with \| None -> Result . Error ( ` NoMatch ( tcre , original ) ) \| Some subs -> try Result . Ok ( extract_with_info ~ info ~ original subs ) with exn -> Result . Error ( ` ConverterFailure exn )
let execp ? pos ? len { cre ; _ } original = Re . execp ? pos ? len cre original
let all_seq ? pos ? len { info ; cre } original = let seq = Re . Seq . all ? pos ? len cre original in let get_res subs = extract_with_info ~ info ~ original subs in Seq . map get_res seq
let all ? pos ? len tcre original = try Result . Ok ( Seq . to_list @@ all_seq ? pos ? len tcre original ) with exn -> Result . Error ( ` ConverterFailure exn )
let sexp ppf s fmt = Format . fprintf ppf ( " [ @< 3 ( >% s @ " ^^ fmt " ) ] " ) ^^@ s
let rec pp_list pp ppf = function \| [ ] -> ( ) \| [ v ] -> pp ppf v \| v :: vs -> pp ppf v ; Format . pp_print_space ppf ( ) ; pp_list pp ppf vs
let rec pp : type a . _ -> a t -> unit = fun ppf -> let open T in function \| Regexp ( re , _ ) -> sexp ppf " Re " " % a " Re . pp re \| Conv ( tre , _ ) -> sexp ppf " Conv " " % a " pp tre \| Opt tre -> sexp ppf " Opt " " % a " pp tre \| Alt ( tre1 , tre2 ) -> sexp ppf " Alt " " % a @ % a " pp tre1 pp tre2 \| Seq ( tre1 , tre2 ) -> sexp ppf " Seq " " % a @ % a " pp tre1 pp tre2 \| Prefix ( tre1 , tre2 ) -> sexp ppf " Prefix " " % a @ % a " pp tre1 pp tre2 \| Suffix ( tre1 , tre2 ) -> sexp ppf " Suffix " " % a @ % a " pp tre1 pp tre2 \| Rep tre -> sexp ppf " Rep " " % a " pp tre \| Mod ( _ , tre ) -> sexp ppf " Mod " " % a " pp tre
let rec pp_wit : type a . _ -> a T . wit -> unit = fun ppf -> let open T in function \| Lit i -> sexp ppf " Lit " " % i " i \| Conv ( tre , _ ) -> sexp ppf " Conv " " % a " pp_wit tre \| Opt ( _ , tre ) -> sexp ppf " Opt " " % a " pp_wit tre \| Alt ( _ , tre1 , tre2 ) -> sexp ppf " Alt " " % a @ % a " pp_wit tre1 pp_wit tre2 \| Seq ( tre1 , tre2 ) -> sexp ppf " Seq " " % a @ % a " pp_wit tre1 pp_wit tre2 \| Rep ( i , w , re ) -> sexp ppf " Rep " " % i @ % a @ % a " i pp_wit w Re . pp_re re
let pp_wit_route : type a . _ -> a wit_route -> unit = fun ppf ( WRoute ( _ , w , _ ) ) -> pp_wit ppf w
let pp_re ppf = function \| { info = One w ; cre } -> sexp ppf " One " " % a @ % a " Re . pp_re cre pp_wit w \| { info = Routes wl ; cre } -> sexp ppf " Route " " % a @ % a " Re . pp_re cre ( pp_list pp_wit_route ) wl
let pp_error ppf : _ error -> unit = function \| ` NoMatch ( re , s ) -> Format . fprintf ppf " ` NoMatch ( % a , % s ) " pp_re re s \| ` ConverterFailure exn -> Format . pp_print_string ppf @@ Printexc . to_string exn
module Internal = struct include T let to_t x = x let from_t x = x let build = build let extract = extract end
module MakeTo ( C : sig type ' a elt val elt : ' a elt -> Dom . node Js . t type ' a elt = ' a C . elt let rebuild_node _ x = Js . Unsafe . coerce ( C . elt x ) let of_element elt = rebuild_node " of_element " elt let of_node elt = rebuild_node " of_node " elt let of_pcdata elt = rebuild_node " of_pcdata " elt let of_html elt = rebuild_node " of_html " elt let of_head elt = rebuild_node " of_head " elt let of_link elt = rebuild_node " of_link " elt let of_title elt = rebuild_node " of_title " elt let of_meta elt = rebuild_node " of_meta " elt let of_base elt = rebuild_node " of_base " elt let of_style elt = rebuild_node " of_style " elt let of_body elt = rebuild_node " of_body " elt let of_form elt = rebuild_node " of_form " elt let of_optgroup elt = rebuild_node " of_optgroup " elt let of_option elt = rebuild_node " of_option " elt let of_select elt = rebuild_node " of_select " elt let of_input elt = rebuild_node " of_input " elt let of_textarea elt = rebuild_node " of_textarea " elt let of_button elt = rebuild_node " of_button " elt let of_label elt = rebuild_node " of_label " elt let of_fieldset elt = rebuild_node " of_fieldset " elt let of_legend elt = rebuild_node " of_legend " elt let of_ul elt = rebuild_node " of_ul " elt let of_ol elt = rebuild_node " of_ol " elt let of_dl elt = rebuild_node " of_dl " elt let of_li elt = rebuild_node " of_li " elt let of_div elt = rebuild_node " of_div " elt let of_p elt = rebuild_node " of_p " elt let of_heading elt = rebuild_node " of_heading " elt let of_blockquote elt = rebuild_node " of_blockquote " elt let of_pre elt = rebuild_node " of_pre " elt let of_br elt = rebuild_node " of_br " elt let of_hr elt = rebuild_node " of_hr " elt let of_ins elt = rebuild_node " of_ins " elt let of_del elt = rebuild_node " of_del " elt let of_a elt = rebuild_node " of_a " elt let of_img elt = rebuild_node " of_img " elt let of_object elt = rebuild_node " of_object " elt let of_param elt = rebuild_node " of_param " elt let of_area elt = rebuild_node " of_area " elt let of_map elt = rebuild_node " of_map " elt let of_script elt = rebuild_node " of_script " elt let of_td elt = rebuild_node " of_td " elt let of_tr elt = rebuild_node " of_tr " elt let of_col elt = rebuild_node " of_col " elt let of_tfoot elt = rebuild_node " of_tfoot " elt let of_thead elt = rebuild_node " of_thead " elt let of_tbody elt = rebuild_node " of_tbody " elt let of_caption elt = rebuild_node " of_caption " elt let of_table elt = rebuild_node " of_table " elt let of_canvas elt = rebuild_node " of_canvas " elt let of_iframe elt = rebuild_node " of_iframe " elt let of_audio elt = rebuild_node " of_audio " elt let of_video elt = rebuild_node " of_video " elt let of_h1 elt = rebuild_node " of_h1 " elt let of_h2 elt = rebuild_node " of_h2 " elt let of_h3 elt = rebuild_node " of_h3 " elt let of_h4 elt = rebuild_node " of_h4 " elt let of_h5 elt = rebuild_node " of_h5 " elt let of_h6 elt = rebuild_node " of_h6 " elt let of_abbr elt = rebuild_node " of_abbr " elt let of_address elt = rebuild_node " of_address " elt let of_article elt = rebuild_node " of_article " elt let of_aside elt = rebuild_node " of_aside " elt let of_b elt = rebuild_node " of_b " elt let of_bdo elt = rebuild_node " of_bdo " elt let of_cite elt = rebuild_node " of_cite " elt let of_code elt = rebuild_node " of_code " elt let of_colgroup elt = rebuild_node " of_colgroup " elt let of_command elt = rebuild_node " of_command " elt let of_datalist elt = rebuild_node " of_datalist " elt let of_dd elt = rebuild_node " of_dd " elt let of_details elt = rebuild_node " of_details " elt let of_dfn elt = rebuild_node " of_dfn " elt let of_dt elt = rebuild_node " of_dt " elt let of_em elt = rebuild_node " of_em " elt let of_embed elt = rebuild_node " of_embed " elt let of_figcaption elt = rebuild_node " of_figcaption " elt let of_figure elt = rebuild_node " of_figure " elt let of_footer elt = rebuild_node " of_footer " elt let of_header elt = rebuild_node " of_header " elt let of_hgroup elt = rebuild_node " of_hgroup " elt let of_i elt = rebuild_node " of_i " elt let of_kbd elt = rebuild_node " of_kbd " elt let of_keygen elt = rebuild_node " of_keygen " elt let of_main elt = rebuild_node " of_main " elt let of_mark elt = rebuild_node " of_mark " elt let of_menu elt = rebuild_node " of_menu " elt let of_meter elt = rebuild_node " of_meter " elt let of_nav elt = rebuild_node " of_nav " elt let of_noscript elt = rebuild_node " of_noscript " elt let of_output elt = rebuild_node " of_output " elt let of_progress elt = rebuild_node " of_progress " elt let of_q elt = rebuild_node " of_q " elt let of_rp elt = rebuild_node " of_rp " elt let of_rt elt = rebuild_node " of_rt " elt let of_ruby elt = rebuild_node " of_ruby " elt let of_samp elt = rebuild_node " of_samp " elt let of_section elt = rebuild_node " of_section " elt let of_small elt = rebuild_node " of_small " elt let of_source elt = rebuild_node " of_source " elt let of_span elt = rebuild_node " of_span " elt let of_strong elt = rebuild_node " of_strong " elt let of_sub elt = rebuild_node " of_sub " elt let of_summary elt = rebuild_node " of_summary " elt let of_sup elt = rebuild_node " of_sup " elt let of_th elt = rebuild_node " of_th " elt let of_time elt = rebuild_node " of_time " elt let of_u elt = rebuild_node " of_u " elt let of_var elt = rebuild_node " of_var " elt let of_wbr elt = rebuild_node " of_wbr " elt end
module MakeOf ( C : sig type ' a elt val elt : Dom . node Js . t -> ' a elt type ' a elt = ' a C . elt let rebuild_node _ x = C . elt ( Js . Unsafe . coerce x ) let of_element elt = rebuild_node " of_element " elt let of_html elt = rebuild_node " of_html " elt let of_head elt = rebuild_node " of_head " elt let of_link elt = rebuild_node " of_link " elt let of_title elt = rebuild_node " of_title " elt let of_meta elt = rebuild_node " of_meta " elt let of_base elt = rebuild_node " of_base " elt let of_style elt = rebuild_node " of_style " elt let of_body elt = rebuild_node " of_body " elt let of_form elt = rebuild_node " of_form " elt let of_optGroup elt = rebuild_node " of_optGroup " elt let of_option elt = rebuild_node " of_option " elt let of_select elt = rebuild_node " of_select " elt let of_input elt = rebuild_node " of_input " elt let of_textArea elt = rebuild_node " of_textArea " elt let of_button elt = rebuild_node " of_button " elt let of_label elt = rebuild_node " of_label " elt let of_fieldSet elt = rebuild_node " of_fieldSet " elt let of_legend elt = rebuild_node " of_legend " elt let of_uList elt = rebuild_node " of_uList " elt let of_oList elt = rebuild_node " of_oList " elt let of_dList elt = rebuild_node " of_dList " elt let of_li elt = rebuild_node " of_li " elt let of_div elt = rebuild_node " of_div " elt let of_paragraph elt = rebuild_node " of_paragraph " elt let of_heading elt = rebuild_node " of_heading " elt let of_quote elt = rebuild_node " of_quote " elt let of_pre elt = rebuild_node " of_pre " elt let of_br elt = rebuild_node " of_br " elt let of_hr elt = rebuild_node " of_hr " elt let of_mod elt = rebuild_node " of_mod " elt let of_anchor elt = rebuild_node " of_anchor " elt let of_image elt = rebuild_node " of_image " elt let of_object elt = rebuild_node " of_object " elt let of_param elt = rebuild_node " of_param " elt let of_area elt = rebuild_node " of_area " elt let of_map elt = rebuild_node " of_map " elt let of_script elt = rebuild_node " of_script " elt let of_embed elt = rebuild_node " of_embed " elt let of_tableCell elt = rebuild_node " of_tableCell " elt let of_tableRow elt = rebuild_node " of_tableRow " elt let of_tableCol elt = rebuild_node " of_tableCol " elt let of_tableSection elt = rebuild_node " of_tableSection " elt let of_tableCaption elt = rebuild_node " of_tableCaption " elt let of_table elt = rebuild_node " of_table " elt let of_canvas elt = rebuild_node " of_canvas " elt let of_iFrame elt = rebuild_node " of_iFrame " elt let of_audio elt = rebuild_node " of_audio " elt let of_video elt = rebuild_node " of_video " elt end
module type OF = sig type ' a elt val of_element : Dom_html . element Js . t -> ' a elt val of_html : Dom_html . htmlElement Js . t -> [ > Html_types . html ] elt val of_head : Dom_html . headElement Js . t -> [ > Html_types . head ] elt val of_link : Dom_html . linkElement Js . t -> [ > Html_types . link ] elt val of_title : Dom_html . titleElement Js . t -> [ > Html_types . title ] elt val of_meta : Dom_html . metaElement Js . t -> [ > Html_types . meta ] elt val of_base : Dom_html . baseElement Js . t -> [ > Html_types . base ] elt val of_style : Dom_html . styleElement Js . t -> [ > Html_types . style ] elt val of_body : Dom_html . bodyElement Js . t -> [ > Html_types . body ] elt val of_form : Dom_html . formElement Js . t -> [ > Html_types . form ] elt val of_optGroup : Dom_html . optGroupElement Js . t -> [ > Html_types . optgroup ] elt val of_option : Dom_html . optionElement Js . t -> [ > Html_types . selectoption ] elt val of_select : Dom_html . selectElement Js . t -> [ > Html_types . select ] elt val of_input : Dom_html . inputElement Js . t -> [ > Html_types . input ] elt val of_textArea : Dom_html . textAreaElement Js . t -> [ > Html_types . textarea ] elt val of_button : Dom_html . buttonElement Js . t -> [ > Html_types . button ] elt val of_label : Dom_html . labelElement Js . t -> [ > Html_types . label ] elt val of_fieldSet : Dom_html . fieldSetElement Js . t -> [ > Html_types . fieldset ] elt val of_legend : Dom_html . legendElement Js . t -> [ > Html_types . legend ] elt val of_uList : Dom_html . uListElement Js . t -> [ > Html_types . ul ] elt val of_oList : Dom_html . oListElement Js . t -> [ > Html_types . ol ] elt val of_dList : Dom_html . dListElement Js . t -> [ > Html_types . dl ] elt val of_li : Dom_html . liElement Js . t -> [ > Html_types . li ] elt val of_div : Dom_html . divElement Js . t -> [ > Html_types . div ] elt val of_paragraph : Dom_html . paragraphElement Js . t -> [ > Html_types . p ] elt val of_heading : Dom_html . headingElement Js . t -> [ > Html_types . heading ] elt val of_quote : Dom_html . quoteElement Js . t -> [ > Html_types . blockquote ] elt val of_pre : Dom_html . preElement Js . t -> [ > Html_types . pre ] elt val of_br : Dom_html . brElement Js . t -> [ > Html_types . br ] elt val of_hr : Dom_html . hrElement Js . t -> [ > Html_types . hr ] elt val of_mod : Dom_html . modElement Js . t -> [ > ' a Html_types . del \| ' a Html_types . ins ] elt val of_anchor : Dom_html . anchorElement Js . t -> [ > ' a Html_types . a ] elt val of_image : Dom_html . imageElement Js . t -> [ > Html_types . img ] elt val of_object : Dom_html . objectElement Js . t -> [ > ' a Html_types . object_ ] elt val of_param : Dom_html . paramElement Js . t -> [ > Html_types . param ] elt val of_area : Dom_html . areaElement Js . t -> [ > Html_types . area ] elt val of_map : Dom_html . mapElement Js . t -> [ > ' a Html_types . map ] elt val of_script : Dom_html . scriptElement Js . t -> [ > Html_types . script ] elt val of_embed : Dom_html . embedElement Js . t -> [ > Html_types . embed ] elt val of_tableCell : Dom_html . tableCellElement Js . t -> [ > Html_types . td \| Html_types . th ] elt val of_tableRow : Dom_html . tableRowElement Js . t -> [ > Html_types . tr ] elt val of_tableCol : Dom_html . tableColElement Js . t -> [ > Html_types . col ] elt val of_tableSection : Dom_html . tableSectionElement Js . t -> [ > Html_types . tfoot \| Html_types . thead \| Html_types . tbody ] elt val of_tableCaption : Dom_html . tableCaptionElement Js . t -> [ > Html_types . caption ] elt val of_table : Dom_html . tableElement Js . t -> [ > Html_types . table ] elt val of_canvas : Dom_html . canvasElement Js . t -> [ > ' a Html_types . canvas ] elt val of_iFrame : Dom_html . iFrameElement Js . t -> [ > Html_types . iframe ] elt val of_audio : Dom_html . audioElement Js . t -> [ > ' a Html_types . audio ] elt val of_video : Dom_html . videoElement Js . t -> [ > ' a Html_types . video ] elt end
module type TO = sig type ' a elt val of_element : ' a elt -> Dom_html . element Js . t val of_node : ' a elt -> Dom . node Js . t val of_pcdata : [ < Html_types . pcdata ] elt -> Dom . text Js . t val of_html : [ < Html_types . html ] elt -> Dom_html . htmlElement Js . t val of_head : [ < Html_types . head ] elt -> Dom_html . headElement Js . t val of_link : [ < Html_types . link ] elt -> Dom_html . linkElement Js . t val of_title : [ < Html_types . title ] elt -> Dom_html . titleElement Js . t val of_meta : [ < Html_types . meta ] elt -> Dom_html . metaElement Js . t val of_base : [ < Html_types . base ] elt -> Dom_html . baseElement Js . t val of_style : [ < Html_types . style ] elt -> Dom_html . styleElement Js . t val of_body : [ < Html_types . body ] elt -> Dom_html . bodyElement Js . t val of_form : [ < Html_types . form ] elt -> Dom_html . formElement Js . t val of_optgroup : [ < Html_types . optgroup ] elt -> Dom_html . optGroupElement Js . t val of_option : [ < Html_types . selectoption ] elt -> Dom_html . optionElement Js . t val of_select : [ < Html_types . select ] elt -> Dom_html . selectElement Js . t val of_input : [ < Html_types . input ] elt -> Dom_html . inputElement Js . t val of_textarea : [ < Html_types . textarea ] elt -> Dom_html . textAreaElement Js . t val of_button : [ < Html_types . button ] elt -> Dom_html . buttonElement Js . t val of_label : [ < Html_types . label ] elt -> Dom_html . labelElement Js . t val of_fieldset : [ < Html_types . fieldset ] elt -> Dom_html . fieldSetElement Js . t val of_legend : [ < Html_types . legend ] elt -> Dom_html . legendElement Js . t val of_ul : [ < Html_types . ul ] elt -> Dom_html . uListElement Js . t val of_ol : [ < Html_types . ol ] elt -> Dom_html . oListElement Js . t val of_dl : [ < Html_types . dl ] elt -> Dom_html . dListElement Js . t val of_li : [ < Html_types . li ] elt -> Dom_html . liElement Js . t val of_div : [ < Html_types . div ] elt -> Dom_html . divElement Js . t val of_p : [ < Html_types . p ] elt -> Dom_html . paragraphElement Js . t val of_heading : [ < Html_types . heading ] elt -> Dom_html . headingElement Js . t val of_blockquote : [ < Html_types . blockquote ] elt -> Dom_html . quoteElement Js . t val of_pre : [ < Html_types . pre ] elt -> Dom_html . preElement Js . t val of_br : [ < Html_types . br ] elt -> Dom_html . brElement Js . t val of_hr : [ < Html_types . hr ] elt -> Dom_html . hrElement Js . t val of_del : [ < ' a Html_types . del ] elt -> Dom_html . modElement Js . t val of_ins : [ < ' a Html_types . ins ] elt -> Dom_html . modElement Js . t val of_a : [ < ' a Html_types . a ] elt -> Dom_html . anchorElement Js . t val of_img : [ < Html_types . img_interactive ] elt -> Dom_html . imageElement Js . t val of_object : [ < ' a Html_types . object_ ] elt -> Dom_html . objectElement Js . t val of_param : [ < Html_types . param ] elt -> Dom_html . paramElement Js . t val of_area : [ < Html_types . area ] elt -> Dom_html . areaElement Js . t val of_map : [ < ' a Html_types . map ] elt -> Dom_html . mapElement Js . t val of_script : [ < Html_types . script ] elt -> Dom_html . scriptElement Js . t val of_td : [ < Html_types . td \| Html_types . td ] elt -> Dom_html . tableCellElement Js . t val of_tr : [ < Html_types . tr ] elt -> Dom_html . tableRowElement Js . t val of_col : [ < Html_types . col ] elt -> Dom_html . tableColElement Js . t val of_tfoot : [ < Html_types . tfoot ] elt -> Dom_html . tableSectionElement Js . t val of_thead : [ < Html_types . thead ] elt -> Dom_html . tableSectionElement Js . t val of_tbody : [ < Html_types . tbody ] elt -> Dom_html . tableSectionElement Js . t val of_caption : [ < Html_types . caption ] elt -> Dom_html . tableCaptionElement Js . t val of_table : [ < Html_types . table ] elt -> Dom_html . tableElement Js . t val of_canvas : [ < ' a Html_types . canvas ] elt -> Dom_html . canvasElement Js . t val of_iframe : [ < Html_types . iframe ] elt -> Dom_html . iFrameElement Js . t val of_audio : [ < ' a Html_types . audio_interactive ] elt -> Dom_html . audioElement Js . t val of_video : [ < ' a Html_types . video_interactive ] elt -> Dom_html . videoElement Js . t val of_h1 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h2 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h3 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h4 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h5 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h6 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_abbr : [ > Html_types . abbr ] elt -> Dom_html . element Js . t val of_address : [ > Html_types . address ] elt -> Dom_html . element Js . t val of_article : [ > Html_types . article ] elt -> Dom_html . element Js . t val of_aside : [ > Html_types . aside ] elt -> Dom_html . element Js . t val of_b : [ > Html_types . b ] elt -> Dom_html . element Js . t val of_bdo : [ > Html_types . bdo ] elt -> Dom_html . element Js . t val of_cite : [ > Html_types . cite ] elt -> Dom_html . element Js . t val of_code : [ > Html_types . code ] elt -> Dom_html . element Js . t val of_colgroup : [ > Html_types . colgroup ] elt -> Dom_html . element Js . t val of_command : [ > Html_types . command ] elt -> Dom_html . element Js . t val of_datalist : [ > Html_types . datalist ] elt -> Dom_html . element Js . t val of_dd : [ > Html_types . dd ] elt -> Dom_html . element Js . t val of_details : [ > Html_types . details ] elt -> Dom_html . element Js . t val of_dfn : [ > Html_types . dfn ] elt -> Dom_html . element Js . t val of_dt : [ > Html_types . dt ] elt -> Dom_html . element Js . t val of_em : [ > Html_types . em ] elt -> Dom_html . element Js . t val of_embed : [ > Html_types . embed ] elt -> Dom_html . element Js . t val of_figcaption : [ > Html_types . figcaption ] elt -> Dom_html . element Js . t val of_figure : [ > Html_types . figure ] elt -> Dom_html . element Js . t val of_footer : [ > Html_types . footer ] elt -> Dom_html . element Js . t val of_header : [ > Html_types . header ] elt -> Dom_html . element Js . t val of_hgroup : [ > Html_types . hgroup ] elt -> Dom_html . element Js . t val of_i : [ > Html_types . i ] elt -> Dom_html . element Js . t val of_kbd : [ > Html_types . kbd ] elt -> Dom_html . element Js . t val of_keygen : [ > Html_types . keygen ] elt -> Dom_html . element Js . t val of_main : [ > Html_types . main ] elt -> Dom_html . element Js . t val of_mark : [ > Html_types . mark ] elt -> Dom_html . element Js . t val of_menu : [ > Html_types . menu ] elt -> Dom_html . element Js . t val of_meter : [ > Html_types . meter ] elt -> Dom_html . element Js . t val of_nav : [ > Html_types . nav ] elt -> Dom_html . element Js . t val of_noscript : [ > Html_types . noscript ] elt -> Dom_html . element Js . t val of_output : [ > Html_types . output_elt ] elt -> Dom_html . element Js . t val of_progress : [ > Html_types . progress ] elt -> Dom_html . element Js . t val of_q : [ > Html_types . q ] elt -> Dom_html . element Js . t val of_rp : [ > Html_types . rp ] elt -> Dom_html . element Js . t val of_rt : [ > Html_types . rt ] elt -> Dom_html . element Js . t val of_ruby : [ > Html_types . ruby ] elt -> Dom_html . element Js . t val of_samp : [ > Html_types . samp ] elt -> Dom_html . element Js . t val of_section : [ > Html_types . section ] elt -> Dom_html . element Js . t val of_small : [ > Html_types . small ] elt -> Dom_html . element Js . t val of_source : [ > Html_types . source ] elt -> Dom_html . element Js . t val of_span : [ > Html_types . span ] elt -> Dom_html . element Js . t val of_strong : [ > Html_types . strong ] elt -> Dom_html . element Js . t val of_sub : [ > Html_types . sub ] elt -> Dom_html . element Js . t val of_summary : [ > Html_types . summary ] elt -> Dom_html . element Js . t val of_sup : [ > Html_types . sup ] elt -> Dom_html . element Js . t val of_th : [ > Html_types . th ] elt -> Dom_html . element Js . t val of_time : [ > Html_types . time ] elt -> Dom_html . element Js . t val of_u : [ > Html_types . u ] elt -> Dom_html . element Js . t val of_var : [ > Html_types . var ] elt -> Dom_html . element Js . t val of_wbr : [ > Html_types . wbr ] elt -> Dom_html . element Js . t end
let js_string_of_float f = ( Js . number_of_float f ) ## toString
let js_string_of_int i = ( Js . number_of_float ( float_of_int i ) ) ## toString
module type XML = Xml_sigs . T with type uri = string and type event_handler = Dom_html . event Js . t -> bool and type mouse_event_handler = Dom_html . mouseEvent Js . t -> bool and type keyboard_event_handler = Dom_html . keyboardEvent Js . t -> bool and type elt = Dom . node Js . t
module Xml = struct module W = Xml_wrap . NoWrap type ' a wrap = ' a type ' a list_wrap = ' a list type uri = string let uri_of_string s = s let string_of_uri s = s type aname = string type event_handler = Dom_html . event Js . t -> bool type mouse_event_handler = Dom_html . mouseEvent Js . t -> bool type keyboard_event_handler = Dom_html . keyboardEvent Js . t -> bool type touch_event_handler = Dom_html . touchEvent Js . t -> bool type attrib_k = \| Event of event_handler \| MouseEvent of mouse_event_handler \| KeyboardEvent of keyboard_event_handler \| TouchEvent of touch_event_handler \| Attr of Js . js_string Js . t option React . S . t type attrib = aname * attrib_k let attr name v = name , Attr ( React . S . const ( Some v ) ) let float_attrib name value : attrib = attr name ( js_string_of_float value ) let int_attrib name value = attr name ( js_string_of_int value ) let string_attrib name value = attr name ( Js . string value ) let space_sep_attrib name values = attr name ( Js . string ( String . concat " " values ) ) let comma_sep_attrib name values = attr name ( Js . string ( String . concat " , " values ) ) let event_handler_attrib name ( value : event_handler ) = name , Event value let mouse_event_handler_attrib name ( value : mouse_event_handler ) = name , MouseEvent value let keyboard_event_handler_attrib name ( value : keyboard_event_handler ) = name , KeyboardEvent value let touch_event_handler_attrib name ( value : touch_event_handler ) = name , TouchEvent value let uri_attrib name value = attr name ( Js . string value ) let uris_attrib name values = attr name ( Js . string ( String . concat " " values ) ) type elt = Dom . node Js . t type ename = string let empty ( ) = ( Dom_html . document ## createDocumentFragment :> Dom . node Js . t ) let comment c = ( Dom_html . document ## createComment ( Js . string c ) :> Dom . node Js . t ) let pcdata s = ( Dom_html . document ## createTextNode ( Js . string s ) :> Dom . node Js . t ) let encodedpcdata s = ( Dom_html . document ## createTextNode ( Js . string s ) :> Dom . node Js . t ) let entity = let string_fold s ~ pos ~ init ~ f = let r = ref init in for i = pos to String . length s - 1 do let c = s . [ i ] in r := f ! r c done ; ! r in let invalid_entity e = failwith ( Printf . sprintf " Invalid entity % S " e ) in let int_of_char = function \| ' 0 ' . . ' 9 ' as x -> Some ( Char . code x - Char . code ' 0 ' ) \| ' a ' . . ' f ' as x -> Some ( Char . code x - Char . code ' a ' + 10 ) \| ' A ' . . ' F ' as x -> Some ( Char . code x - Char . code ' A ' + 10 ) \| _ -> None in let parse_int ~ pos ~ base e = string_fold e ~ pos ~ init : 0 ~ f ( : fun acc x -> match int_of_char x with \| Some d when d < base -> ( acc * base ) + d \| Some _ \| None -> invalid_entity e ) in let is_alpha_num = function \| ' 0 ' . . ' 9 ' \| ' a ' . . ' z ' \| ' A ' . . ' Z ' -> true \| _ -> false in fun e -> let len = String . length e in let str = if len >= 1 && Char . equal e . [ 0 ] ' ' # then let i = if len >= 2 && ( Char . equal e . [ 1 ] ' x ' \|\| Char . equal e . [ 1 ] ' X ' ) then parse_int ~ pos : 2 ~ base : 16 e else parse_int ~ pos : 1 ~ base : 10 e in Js . string_constr ## fromCharCode i else if string_fold e ~ pos : 0 ~ init : true ~ f ( : fun acc x -> acc && is_alpha_num x ) then match e with \| " quot " -> Js . string " " " \ \| " amp " -> Js . string " " & \| " apos " -> Js . string " ' " \| " lt " -> Js . string " " < \| " gt " -> Js . string " " > \| " " -> invalid_entity e \| _ -> Dom_html . decode_html_entities ( Js . string ( " " & ^ e ^ " ; " ) ) else invalid_entity e in ( Dom_html . document ## createTextNode str :> Dom . node Js . t ) let get_prop node name = if Js . Optdef . test ( Js . Unsafe . get node name ) then Some name else None let iter_prop_protected node name f = match get_prop node name with \| Some n -> ( try f n with _ -> ( ) ) \| None -> ( ) let attach_attribs node l = List . iter ( fun ( n ' , att ) -> let n = Js . string n ' in match att with \| Attr a -> let ( _ : unit React . S . t ) = React . S . map ( function \| Some v -> ( ignore ( node ## setAttribute n v ) ; match n ' with \| " style " -> node . ## style . ## cssText := v \| _ -> iter_prop_protected node n ( fun name -> Js . Unsafe . set node name v ) ) \| None -> ( ignore ( node ## removeAttribute n ) ; match n ' with \| " style " -> node . ## style . ## cssText := Js . string " " \| _ -> iter_prop_protected node n ( fun name -> Js . Unsafe . set node name Js . null ) ) ) a in ( ) \| Event h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) \| MouseEvent h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) \| KeyboardEvent h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) \| TouchEvent h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) ) l let leaf ( ? a = [ ] ) name = let e = Dom_html . document ## createElement ( Js . string name ) in attach_attribs e a ; ( e :> Dom . node Js . t ) let node ( ? a = [ ] ) name children = let e = Dom_html . document ## createElement ( Js . string name ) in attach_attribs e a ; List . iter ( fun c -> ignore ( e ## appendChild c ) ) children ; ( e :> Dom . node Js . t ) let cdata s = pcdata s let cdata_script s = cdata s let cdata_style s = cdata s end
module Xml_Svg = struct include Xml let leaf ( ? a = [ ] ) name = let e = Dom_html . document ## createElementNS Dom_svg . xmlns ( Js . string name ) in attach_attribs e a ; ( e :> Dom . node Js . t ) let node ( ? a = [ ] ) name children = let e = Dom_html . document ## createElementNS Dom_svg . xmlns ( Js . string name ) in attach_attribs e a ; List . iter ( fun c -> ignore ( e ## appendChild c ) ) children ; ( e :> Dom . node Js . t ) end
module Svg = Svg_f . Make ( Xml_Svg )
module Html = Html_f . Make ( Xml ) ( Svg )
module To_dom = Tyxml_cast . MakeTo ( struct type ' a elt = ' a Html . elt let elt = Html . toelt end )
module Of_dom = Tyxml_cast . MakeOf ( struct type ' a elt = ' a Html . elt let elt = Html . tot end )
module Register = struct let removeChildren ( node : # Dom . element Js . t ) = let l = node . ## childNodes in for i = 0 to l . ## length - 1 do Js . Opt . iter ( l ## item i ) ( fun x -> ignore ( node ## removeChild x ) ) done let add_to ( ? keep = true ) node content = if not keep then removeChildren node ; List . iter ( fun x -> Dom . appendChild node ( To_dom . of_element x ) ) content let id ? keep id content = let node = Dom_html . getElementById id in add_to ? keep node content let body ? keep content = add_to ? keep Dom_html . document . ## body content let head ? keep content = add_to ? keep Dom_html . document . ## head content let html ? head body = ( match head with \| Some h -> Dom_html . document . ## head := To_dom . of_head h \| None -> ( ) ) ; Dom_html . document . ## body := To_dom . of_body body ; ( ) end
module Wrap = struct type ' a t = ' a React . signal type ' a tlist = ' a ReactiveData . RList . t type ( ' a , ' b ) ft = ' a -> ' b let return = React . S . const let fmap f = React . S . map f let nil ( ) = ReactiveData . RList . empty let singleton = ReactiveData . RList . singleton_s let cons x xs = ReactiveData . RList . concat ( singleton x ) xs let map f = ReactiveData . RList . map f let append x y = ReactiveData . RList . concat x y end
module Util = struct open ReactiveData open RList let insertAt dom i x = let nodes = dom . ## childNodes in assert ( i <= nodes . ## length ) ; if i = nodes . ## length then ignore ( dom ## appendChild ( x :> Dom . node Js . t ) ) else ignore ( dom ## insertBefore x ( nodes ## item i ) ) let merge_one_patch ( dom : Dom . node Js . t ) ( p : Dom . node Js . t p ) = match p with \| I ( i , x ) -> let i = if i < 0 then dom . ## childNodes . ## length + 1 + i else i in insertAt dom i x \| R i -> let i = if i < 0 then dom . ## childNodes . ## length + i else i in let nodes = dom . ## childNodes in assert ( i >= 0 && i < nodes . ## length ) ; Js . Opt . iter ( nodes ## item i ) ( fun n -> Dom . removeChild dom n ) \| U ( i , x ) -> ( let i = if i < 0 then dom . ## childNodes . ## length + i else i in match Js . Opt . to_option ( dom . ## childNodes ## item i ) with \| Some old -> ignore ( dom ## replaceChild x old ) \| _ -> assert false ) \| X ( i , move ) -> ( let i = if i < 0 then dom . ## childNodes . ## length + i else i in if move = 0 then ( ) else match Js . Opt . to_option ( dom . ## childNodes ## item i ) with \| Some i ' -> insertAt dom ( i + if move > 0 then move + 1 else move ) i ' \| _ -> assert false ) let rec removeChildren dom = match Js . Opt . to_option dom . ## lastChild with \| None -> ( ) \| Some c -> ignore ( dom ## removeChild c ) ; removeChildren dom let merge_msg ( dom : Dom . node Js . t ) ( msg : Dom . node Js . t msg ) = match msg with \| Set l -> removeChildren dom ; List . iter ( fun l -> ignore ( dom ## appendChild l ) ) l \| Patch p -> List . iter ( merge_one_patch dom ) p let update_children ( dom : Dom . node Js . t ) ( nodes : Dom . node Js . t t ) = removeChildren dom ; let _s : unit React . S . t = fold ( fun ( ) msg -> merge_msg dom msg ) nodes ( ) in ( ) end
module R = struct let filter_attrib ( name , a ) on = match a with \| Xml . Event _ \| Xml . MouseEvent _ \| Xml . KeyboardEvent _ \| Xml . TouchEvent _ -> raise ( Invalid_argument " filter_attrib not implemented for event handler " ) \| Xml . Attr a -> name , Xml . Attr ( React . S . l2 ( fun on a -> if on then a else None ) on a ) let attach_attribs = Xml . attach_attribs module Xml = struct module W = 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 attr name f s = let a = W . fmap f s in name , Xml . Attr a let float_attrib name s = attr name ( fun f -> Some ( js_string_of_float f ) ) s let int_attrib name s = attr name ( fun f -> Some ( js_string_of_int f ) ) s let string_attrib name s = attr name ( fun f -> Some ( Js . string f ) ) s let space_sep_attrib name s = attr name ( fun f -> Some ( Js . string ( String . concat " " f ) ) ) s let comma_sep_attrib name s = attr name ( fun f -> Some ( Js . string ( String . concat " , " f ) ) ) s let event_handler_attrib name s = Xml . event_handler_attrib name s let mouse_event_handler_attrib name s = Xml . mouse_event_handler_attrib name s let keyboard_event_handler_attrib name s = Xml . keyboard_event_handler_attrib name s let touch_event_handler_attrib name s = Xml . touch_event_handler_attrib name s let uri_attrib name s = attr name ( fun f -> Some ( Js . string f ) ) s let uris_attrib name s = attr name ( fun f -> Some ( Js . string ( String . concat " " f ) ) ) s type elt = Xml . elt type ename = Xml . ename let empty = Xml . empty let comment = Xml . comment let pcdata s = let e = Dom_html . document ## createTextNode ( Js . string " " ) in let _ = React . S . map ( fun s -> e . ## data := Js . string s ) s in ( e :> Dom . node Js . t ) let encodedpcdata s = pcdata s let entity s = Xml . entity s let leaf = Xml . leaf let node ( ? a = [ ] ) name l = let e = Dom_html . document ## createElement ( Js . string name ) in attach_attribs e a ; Util . update_children ( e :> Dom . node Js . t ) l ; ( e :> Dom . node Js . t ) let cdata = Xml . cdata let cdata_script = Xml . cdata_script let cdata_style = Xml . cdata_style end module Xml_Svg = struct include Xml let leaf = Xml_Svg . leaf let node ( ? a = [ ] ) name l = let e = Dom_html . document ## createElementNS Dom_svg . xmlns ( Js . string name ) in attach_attribs e a ; Util . update_children ( e :> Dom . node Js . t ) l ; ( e :> Dom . node Js . t ) end module Svg = Svg_f . Make ( Xml_Svg ) module Html = Html_f . Make ( Xml ) ( Svg ) module Html5 = Html end
module Core_category = struct type t = [ ` Branch \| ` Temporary \| ` Permanent ] let default_category = ` Temporary let string_of_category = function \| ` Permanent -> " permanent " \| ` Temporary -> " temporary " \| ` Branch -> " branch " let classify = function \| ` Permanent -> Error_classification . Permanent \| ` Temporary -> Temporary \| ` Branch -> Branch end include Core_maker . Make ( struct let id = " " end ) ( Core_category )
let get_int32_string s off = Bytes . get_int32_be ( Bytes . unsafe_of_string s ) off
let get_int8_string s off = Bytes . get_int8 ( Bytes . unsafe_of_string s ) off
let get_int16_string s off = Bytes . get_int16_be ( Bytes . unsafe_of_string s ) off
let get_int64_string s off = Bytes . get_int64_be ( Bytes . unsafe_of_string s ) off
let get_uint8_string s off = Bytes . get_uint8 ( Bytes . unsafe_of_string s ) off
let get_uint16_string s off = Bytes . get_uint16_be ( Bytes . unsafe_of_string s ) off
let get_double buff i = Int64 . float_of_bits ( Bytes . get_int64_be buff i )
let get_double_string buff i = Int64 . float_of_bits ( Bytes . get_int64_be ( Bytes . unsafe_of_string buff ) i )
let set_double buff i v = Bytes . set_int64_be buff i ( Int64 . bits_of_float v )
let is_empty = function [ ] -> true \| _ -> false
let rev_sub l n = if n < 0 then invalid_arg " Utils . rev_sub : ` n ` must be non - negative . " ; let rec append_rev_sub acc l = function \| 0 -> acc \| n -> ( match l with \| [ ] -> acc \| hd :: tl -> append_rev_sub ( hd :: acc ) tl ( n - 1 ) ) in append_rev_sub [ ] l n
let sub l n = rev_sub l n \|> List . rev
let rec remove nb = function \| [ ] -> [ ] \| l when nb <= 0 -> l \| _ :: tl -> remove ( nb - 1 ) tl
let rec repeat n x = if n <= 0 then [ ] else x :: repeat ( pred n ) x
let split_n n l = let rec loop acc n = function \| [ ] -> ( l , [ ] ) \| rem when n <= 0 -> ( List . rev acc , rem ) \| x :: xs -> loop ( x :: acc ) ( pred n ) xs in loop [ ] n l
let take_n_unsorted n l = fst ( split_n n l )
let take_n_sorted ( type a ) compare n l = let module B = Bounded_heap . Make ( struct type t = a let compare = compare end ) in let t = B . create n in List . iter ( fun x -> B . insert x t ) l ; B . get t
let take_n ? compare n l = match compare with \| None -> take_n_unsorted n l \| Some compare -> take_n_sorted compare n l
let rec drop_n n l = if n <= 0 then l else match l with [ ] -> [ ] \| _ :: xs -> drop_n ( n - 1 ) xs
let select n l = let rec loop n acc = function \| [ ] -> invalid_arg " Utils . select " \| x :: xs when n <= 0 -> ( x , List . rev_append acc xs ) \| x :: xs -> loop ( pred n ) ( x :: acc ) xs in loop n [ ] l
let shift = function [ ] -> [ ] \| hd :: tl -> tl @ [ hd ]
let rec product a b = match a with \| [ ] -> [ ] \| hd :: tl -> List . map ( fun x -> ( hd , x ) ) b @ product tl b
let shuffle ? rng_state l = let randint = match rng_state with \| None -> Random . int \| Some rng_state -> Random . State . int rng_state in let a = Array . of_list l in let len = Array . length a in for i = len downto 2 do let m = randint i in let n ' = i - 1 in if m <> n ' then ( let tmp = a . ( m ) in a . ( m ) <- a . ( n ' ) ; a . ( n ' ) <- tmp ) done ; Array . to_list a
let index_of ( ? compare = Stdlib . compare ) item list = let rec find index = function \| [ ] -> None \| head :: tail -> if compare head item = 0 then Some index else find ( index + 1 ) tail in find 0 list
let filter_some l = let rec go acc = function \| [ ] -> List . rev acc \| None :: xs -> go acc xs \| Some x :: xs -> go ( x :: acc ) xs in go [ ] l
let rec find_map f = function \| [ ] -> None \| x :: l -> ( match f x with None -> find_map f l \| r -> r )
let fold_left_i f init l = List . fold_left ( fun ( i , accu ) x -> let accu = f i accu x in ( i + 1 , accu ) ) ( 0 , init ) l \|> snd
module List = struct include Tezos_stdlib . TzList include Tezos_error_monad . TzLwtreslib . List end
module String = struct include String include Tezos_stdlib . TzString module Hashtbl = Tezos_error_monad . TzLwtreslib . Hashtbl . MakeSeeded ( struct type t = string let equal = String . equal let hash = Hashtbl . seeded_hash end ) end
module Filename = struct include Stdlib . Filename include Tezos_stdlib . TzFilename end
module Set = Set . Make ( String )
module Map = Map . Make ( String )
let split delim ( ? dup = true ) ( ? limit = max_int ) path = let l = String . length path in let rec do_slashes acc limit i = if i >= l then List . rev acc else if path . [ i ] = delim then if dup then do_slashes acc limit ( i + 1 ) else do_split acc limit ( i + 1 ) else do_split acc limit i and do_split acc limit i = if limit <= 0 then if i = l then List . rev acc else List . rev ( String . sub path i ( l - i ) :: acc ) else do_component acc ( pred limit ) i i and do_component acc limit i j = if j >= l then if i = j then List . rev acc else List . rev ( String . sub path i ( j - i ) :: acc ) else if path . [ j ] = delim then do_slashes ( String . sub path i ( j - i ) :: acc ) limit j else do_component acc limit i ( j + 1 ) in if limit > 0 then do_slashes [ ] limit 0 else [ path ]
let split_path path = split ' ' / path
let has_prefix ~ prefix s = let x = String . length prefix in let n = String . length s in n >= x && String . sub s 0 x = prefix

let shortest re = modifier Re . shortest re

let first re = modifier Re . first re

let greedy re = modifier Re . greedy re

let non_greedy re = modifier Re . non_greedy re

let nest re = modifier Re . nest re

module Regex = struct open ! Re let pos_int = rep1 digit let int = seq [ opt ( char ' ' ) - ; pos_int ] let float = seq [ opt ( char ' ' ) - ; rep1 digit ; opt ( seq [ char ' . ' ; rep digit ] ) ] let bool = alt [ str " true " ; str " false " ] end

let unit s re = conv ( fun _ -> ( ) ) ( fun ( ) -> s ) ( regex re )

let start = unit " " Re . start

let stop = unit " " Re . stop

let str s = unit s ( Re . str s )

let char c = let s = String . make 1 c in unit s ( Re . char c )

let blanks = unit " " ( Re . rep Re . blank )

let pos_int = conv int_of_string string_of_int ( regex Regex . pos_int )

let int = conv int_of_string string_of_int ( regex Regex . int )

let float = conv float_of_string string_of_float ( regex Regex . float )

let bool = conv bool_of_string string_of_bool ( regex Regex . bool )

let list e = conv Seq . to_list Seq . of_list ( rep e )

let terminated_list ~ sep e = list ( e <* sep )

let separated_list ~ sep e = let e = opt ( e <&> list ( sep *> e ) ) in let to_ = function None -> [ ] | Some ( h , t ) -> ( h :: t ) and from_ = function [ ] -> None | h :: t -> Some ( h , t ) in conv to_ from_ e

let rec witnesspp : type a . Format . formatter -> a t -> unit = fun ppf tre -> let open T in match tre with | Regexp ( re , _ ) -> Format . pp_print_string ppf @@ Re . witness re | Conv ( tre , _ ) -> witnesspp ppf tre | Opt _ -> ( ) | Alt ( tre1 , _ ) -> witnesspp ppf tre1 | Seq ( tre1 , tre2 ) -> witnesspp ppf tre1 ; witnesspp ppf tre2 | Prefix ( tre1 , tre2 ) -> witnesspp ppf tre1 ; witnesspp ppf tre2 | Suffix ( tre1 , tre2 ) -> witnesspp ppf tre1 ; witnesspp ppf tre2 | Rep _ -> ( ) | Mod ( _ , tre ) -> witnesspp ppf tre

let rec pprep f ppf seq = match seq ( ) with | Seq . Nil -> ( ) | Cons ( x , seq ) -> f ppf x ; pprep f ppf seq

let rec evalpp : type a . a t -> Format . formatter -> a -> unit = fun tre ppf -> let open T in match tre with | Regexp ( _ , lazy cre ) -> begin function v -> if not @@ Re . execp cre v then invalid_arg @@ Printf . sprintf " Tyre . eval : regexp not respected by " \% s " . " \ v ; pstr ppf v end | Conv ( tre , conv ) -> fun v -> evalpp tre ppf ( conv . from_ v ) | Opt p -> begin function | None -> pstr ppf " " | Some x -> evalpp p ppf x end | Seq ( tre1 , tre2 ) -> fun ( x1 , x2 ) -> evalpp tre1 ppf x1 ; evalpp tre2 ppf x2 ; | Prefix ( tre_l , tre ) -> fun v -> witnesspp ppf tre_l ; evalpp tre ppf v | Suffix ( tre , tre_g ) -> fun v -> evalpp tre ppf v ; witnesspp ppf tre_g | Alt ( treL , treR ) -> begin function | ` Left x -> evalpp treL ppf x | ` Right x -> evalpp treR ppf x end | Rep tre -> pprep ( evalpp tre ) ppf | Mod ( _ , tre ) -> evalpp tre ppf

let eval tre = Format . asprintf " % a " ( evalpp tre )

let rec build : type a . int -> a t -> int * a T . wit * Re . t = let open ! Re in let open T in fun i -> function | Regexp ( re , _ ) -> ( i + 1 ) , Lit i , group @@ no_group re | Conv ( e , conv ) -> let i ' , w , re = build i e in i ' , Conv ( w , conv ) , re | Opt e -> let i ' , w , ( id , re ) = map_3 mark @@ build i e in i ' , Opt ( id , w ) , opt re | Alt ( e1 , e2 ) -> let i ' , w1 , ( id1 , re1 ) = map_3 mark @@ build i e1 in let i ' ' , w2 , re2 = build i ' e2 in i ' ' , Alt ( id1 , w1 , w2 ) , alt [ re1 ; re2 ] | Prefix ( e_ign , e ) -> let i ' , w , re = build i e in let _ , _ , re_ign = build 1 e_ign in i ' , w , seq [ no_group re_ign ; re ] | Suffix ( e , e_ign ) -> let i ' , w , re = build i e in let _ , _ , re_ign = build 1 e_ign in i ' , w , seq [ re ; no_group re_ign ] | Seq ( e1 , e2 ) -> let i ' , w1 , re1 = build i e1 in let i ' ' , w2 , re2 = build i ' e2 in i ' ' , Seq ( w1 , w2 ) , seq [ re1 ; re2 ] | Rep e -> let _ , w , re = build 1 e in ( i + 1 ) , Rep ( i , w , Re . compile re ) , group @@ rep @@ no_group re | Mod ( f , e ) -> let i ' , w , re = build i e in i ' , w , f re : type a . original : string -> a T . wit -> Re . Group . t -> a = fun ~ original rea s -> let open T in match rea with | Lit i -> Re . Group . get s i | Conv ( w , conv ) -> let v = extract ~ original w s in conv . to_ v | Opt ( id , w ) -> if not @@ Re . Mark . test s id then None else Some ( extract ~ original w s ) | Alt ( i1 , w1 , w2 ) -> if Re . Mark . test s i1 then ` Left ( extract ~ original w1 s ) else ` Right ( extract ~ original w2 s ) | Seq ( e1 , e2 ) -> let v1 = extract ~ original e1 s in let v2 = extract ~ original e2 s in ( v1 , v2 ) | Rep ( i , e , re ) -> extract_list ~ original e re i s : type a . original : string -> a T . wit -> Re . re -> int -> Re . Group . t -> a Seq . t = fun ~ original e re i s -> let aux = extract ~ original e in let ( pos , pos ' ) = Re . Group . offset s i in let len = pos ' - pos in Seq . map aux @@ Re . Seq . all ~ pos ~ len re original

type ' + r route = Route : ' a t * ( ' a -> ' r ) -> ' r route

let route re f = Route ( re , f )

type ' r wit_route = WRoute : Re . Mark . t * ' a T . wit * ( ' a -> ' r ) -> ' r wit_route

let rec build_route_aux i rel wl = function | [ ] -> List . rev rel , List . rev wl | Route ( tre , f ) :: l -> let i ' , wit , re = build i tre in let id , re = Re . mark re in let w = WRoute ( id , wit , f ) in build_route_aux i ' ( re :: rel ) ( w :: wl ) l

let build_route l = build_route_aux 1 [ ] [ ] l

let rec extract_route ~ original wl subs = match wl with | [ ] -> assert false | WRoute ( id , wit , f ) :: wl -> if Re . Mark . test subs id then f ( extract ~ original wit subs ) else extract_route ~ original wl subs

type ' r info = | One of ' r T . wit | Routes of ' r wit_route list

type ' a re = { info : ' a info ; cre : Re . re }

let compile tre = let _ , wit , re = build 1 tre in let cre = Re . compile re in { info = One wit ; cre }

let route l = let rel , wl = build_route l in let cre = Re . compile @@ Re . alt rel in { info = Routes wl ; cre }

type ' a error = [ | ` NoMatch of ' a re * string | ` ConverterFailure of exn ]

let extract_with_info ~ info ~ original subs = match info with | One w -> extract ~ original w subs | Routes wl -> extract_route ~ original wl subs match Re . exec_opt ? pos ? len cre original with | None -> Result . Error ( ` NoMatch ( tcre , original ) ) | Some subs -> try Result . Ok ( extract_with_info ~ info ~ original subs ) with exn -> Result . Error ( ` ConverterFailure exn )

let execp ? pos ? len { cre ; _ } original = Re . execp ? pos ? len cre original

let all_seq ? pos ? len { info ; cre } original = let seq = Re . Seq . all ? pos ? len cre original in let get_res subs = extract_with_info ~ info ~ original subs in Seq . map get_res seq

let all ? pos ? len tcre original = try Result . Ok ( Seq . to_list @@ all_seq ? pos ? len tcre original ) with exn -> Result . Error ( ` ConverterFailure exn )

let sexp ppf s fmt = Format . fprintf ppf ( " [ @< 3 ( >% s @ " ^^ fmt " ) ] " ) ^^@ s

let rec pp_list pp ppf = function | [ ] -> ( ) | [ v ] -> pp ppf v | v :: vs -> pp ppf v ; Format . pp_print_space ppf ( ) ; pp_list pp ppf vs

let rec pp : type a . _ -> a t -> unit = fun ppf -> let open T in function | Regexp ( re , _ ) -> sexp ppf " Re " " % a " Re . pp re | Conv ( tre , _ ) -> sexp ppf " Conv " " % a " pp tre | Opt tre -> sexp ppf " Opt " " % a " pp tre | Alt ( tre1 , tre2 ) -> sexp ppf " Alt " " % a @ % a " pp tre1 pp tre2 | Seq ( tre1 , tre2 ) -> sexp ppf " Seq " " % a @ % a " pp tre1 pp tre2 | Prefix ( tre1 , tre2 ) -> sexp ppf " Prefix " " % a @ % a " pp tre1 pp tre2 | Suffix ( tre1 , tre2 ) -> sexp ppf " Suffix " " % a @ % a " pp tre1 pp tre2 | Rep tre -> sexp ppf " Rep " " % a " pp tre | Mod ( _ , tre ) -> sexp ppf " Mod " " % a " pp tre

let rec pp_wit : type a . _ -> a T . wit -> unit = fun ppf -> let open T in function | Lit i -> sexp ppf " Lit " " % i " i | Conv ( tre , _ ) -> sexp ppf " Conv " " % a " pp_wit tre | Opt ( _ , tre ) -> sexp ppf " Opt " " % a " pp_wit tre | Alt ( _ , tre1 , tre2 ) -> sexp ppf " Alt " " % a @ % a " pp_wit tre1 pp_wit tre2 | Seq ( tre1 , tre2 ) -> sexp ppf " Seq " " % a @ % a " pp_wit tre1 pp_wit tre2 | Rep ( i , w , re ) -> sexp ppf " Rep " " % i @ % a @ % a " i pp_wit w Re . pp_re re

let pp_wit_route : type a . _ -> a wit_route -> unit = fun ppf ( WRoute ( _ , w , _ ) ) -> pp_wit ppf w

let pp_re ppf = function | { info = One w ; cre } -> sexp ppf " One " " % a @ % a " Re . pp_re cre pp_wit w | { info = Routes wl ; cre } -> sexp ppf " Route " " % a @ % a " Re . pp_re cre ( pp_list pp_wit_route ) wl

let pp_error ppf : _ error -> unit = function | ` NoMatch ( re , s ) -> Format . fprintf ppf " ` NoMatch ( % a , % s ) " pp_re re s | ` ConverterFailure exn -> Format . pp_print_string ppf @@ Printexc . to_string exn

module Internal = struct include T let to_t x = x let from_t x = x let build = build let extract = extract end

module MakeTo ( C : sig type ' a elt val elt : ' a elt -> Dom . node Js . t type ' a elt = ' a C . elt let rebuild_node _ x = Js . Unsafe . coerce ( C . elt x ) let of_element elt = rebuild_node " of_element " elt let of_node elt = rebuild_node " of_node " elt let of_pcdata elt = rebuild_node " of_pcdata " elt let of_html elt = rebuild_node " of_html " elt let of_head elt = rebuild_node " of_head " elt let of_link elt = rebuild_node " of_link " elt let of_title elt = rebuild_node " of_title " elt let of_meta elt = rebuild_node " of_meta " elt let of_base elt = rebuild_node " of_base " elt let of_style elt = rebuild_node " of_style " elt let of_body elt = rebuild_node " of_body " elt let of_form elt = rebuild_node " of_form " elt let of_optgroup elt = rebuild_node " of_optgroup " elt let of_option elt = rebuild_node " of_option " elt let of_select elt = rebuild_node " of_select " elt let of_input elt = rebuild_node " of_input " elt let of_textarea elt = rebuild_node " of_textarea " elt let of_button elt = rebuild_node " of_button " elt let of_label elt = rebuild_node " of_label " elt let of_fieldset elt = rebuild_node " of_fieldset " elt let of_legend elt = rebuild_node " of_legend " elt let of_ul elt = rebuild_node " of_ul " elt let of_ol elt = rebuild_node " of_ol " elt let of_dl elt = rebuild_node " of_dl " elt let of_li elt = rebuild_node " of_li " elt let of_div elt = rebuild_node " of_div " elt let of_p elt = rebuild_node " of_p " elt let of_heading elt = rebuild_node " of_heading " elt let of_blockquote elt = rebuild_node " of_blockquote " elt let of_pre elt = rebuild_node " of_pre " elt let of_br elt = rebuild_node " of_br " elt let of_hr elt = rebuild_node " of_hr " elt let of_ins elt = rebuild_node " of_ins " elt let of_del elt = rebuild_node " of_del " elt let of_a elt = rebuild_node " of_a " elt let of_img elt = rebuild_node " of_img " elt let of_object elt = rebuild_node " of_object " elt let of_param elt = rebuild_node " of_param " elt let of_area elt = rebuild_node " of_area " elt let of_map elt = rebuild_node " of_map " elt let of_script elt = rebuild_node " of_script " elt let of_td elt = rebuild_node " of_td " elt let of_tr elt = rebuild_node " of_tr " elt let of_col elt = rebuild_node " of_col " elt let of_tfoot elt = rebuild_node " of_tfoot " elt let of_thead elt = rebuild_node " of_thead " elt let of_tbody elt = rebuild_node " of_tbody " elt let of_caption elt = rebuild_node " of_caption " elt let of_table elt = rebuild_node " of_table " elt let of_canvas elt = rebuild_node " of_canvas " elt let of_iframe elt = rebuild_node " of_iframe " elt let of_audio elt = rebuild_node " of_audio " elt let of_video elt = rebuild_node " of_video " elt let of_h1 elt = rebuild_node " of_h1 " elt let of_h2 elt = rebuild_node " of_h2 " elt let of_h3 elt = rebuild_node " of_h3 " elt let of_h4 elt = rebuild_node " of_h4 " elt let of_h5 elt = rebuild_node " of_h5 " elt let of_h6 elt = rebuild_node " of_h6 " elt let of_abbr elt = rebuild_node " of_abbr " elt let of_address elt = rebuild_node " of_address " elt let of_article elt = rebuild_node " of_article " elt let of_aside elt = rebuild_node " of_aside " elt let of_b elt = rebuild_node " of_b " elt let of_bdo elt = rebuild_node " of_bdo " elt let of_cite elt = rebuild_node " of_cite " elt let of_code elt = rebuild_node " of_code " elt let of_colgroup elt = rebuild_node " of_colgroup " elt let of_command elt = rebuild_node " of_command " elt let of_datalist elt = rebuild_node " of_datalist " elt let of_dd elt = rebuild_node " of_dd " elt let of_details elt = rebuild_node " of_details " elt let of_dfn elt = rebuild_node " of_dfn " elt let of_dt elt = rebuild_node " of_dt " elt let of_em elt = rebuild_node " of_em " elt let of_embed elt = rebuild_node " of_embed " elt let of_figcaption elt = rebuild_node " of_figcaption " elt let of_figure elt = rebuild_node " of_figure " elt let of_footer elt = rebuild_node " of_footer " elt let of_header elt = rebuild_node " of_header " elt let of_hgroup elt = rebuild_node " of_hgroup " elt let of_i elt = rebuild_node " of_i " elt let of_kbd elt = rebuild_node " of_kbd " elt let of_keygen elt = rebuild_node " of_keygen " elt let of_main elt = rebuild_node " of_main " elt let of_mark elt = rebuild_node " of_mark " elt let of_menu elt = rebuild_node " of_menu " elt let of_meter elt = rebuild_node " of_meter " elt let of_nav elt = rebuild_node " of_nav " elt let of_noscript elt = rebuild_node " of_noscript " elt let of_output elt = rebuild_node " of_output " elt let of_progress elt = rebuild_node " of_progress " elt let of_q elt = rebuild_node " of_q " elt let of_rp elt = rebuild_node " of_rp " elt let of_rt elt = rebuild_node " of_rt " elt let of_ruby elt = rebuild_node " of_ruby " elt let of_samp elt = rebuild_node " of_samp " elt let of_section elt = rebuild_node " of_section " elt let of_small elt = rebuild_node " of_small " elt let of_source elt = rebuild_node " of_source " elt let of_span elt = rebuild_node " of_span " elt let of_strong elt = rebuild_node " of_strong " elt let of_sub elt = rebuild_node " of_sub " elt let of_summary elt = rebuild_node " of_summary " elt let of_sup elt = rebuild_node " of_sup " elt let of_th elt = rebuild_node " of_th " elt let of_time elt = rebuild_node " of_time " elt let of_u elt = rebuild_node " of_u " elt let of_var elt = rebuild_node " of_var " elt let of_wbr elt = rebuild_node " of_wbr " elt end

module MakeOf ( C : sig type ' a elt val elt : Dom . node Js . t -> ' a elt type ' a elt = ' a C . elt let rebuild_node _ x = C . elt ( Js . Unsafe . coerce x ) let of_element elt = rebuild_node " of_element " elt let of_html elt = rebuild_node " of_html " elt let of_head elt = rebuild_node " of_head " elt let of_link elt = rebuild_node " of_link " elt let of_title elt = rebuild_node " of_title " elt let of_meta elt = rebuild_node " of_meta " elt let of_base elt = rebuild_node " of_base " elt let of_style elt = rebuild_node " of_style " elt let of_body elt = rebuild_node " of_body " elt let of_form elt = rebuild_node " of_form " elt let of_optGroup elt = rebuild_node " of_optGroup " elt let of_option elt = rebuild_node " of_option " elt let of_select elt = rebuild_node " of_select " elt let of_input elt = rebuild_node " of_input " elt let of_textArea elt = rebuild_node " of_textArea " elt let of_button elt = rebuild_node " of_button " elt let of_label elt = rebuild_node " of_label " elt let of_fieldSet elt = rebuild_node " of_fieldSet " elt let of_legend elt = rebuild_node " of_legend " elt let of_uList elt = rebuild_node " of_uList " elt let of_oList elt = rebuild_node " of_oList " elt let of_dList elt = rebuild_node " of_dList " elt let of_li elt = rebuild_node " of_li " elt let of_div elt = rebuild_node " of_div " elt let of_paragraph elt = rebuild_node " of_paragraph " elt let of_heading elt = rebuild_node " of_heading " elt let of_quote elt = rebuild_node " of_quote " elt let of_pre elt = rebuild_node " of_pre " elt let of_br elt = rebuild_node " of_br " elt let of_hr elt = rebuild_node " of_hr " elt let of_mod elt = rebuild_node " of_mod " elt let of_anchor elt = rebuild_node " of_anchor " elt let of_image elt = rebuild_node " of_image " elt let of_object elt = rebuild_node " of_object " elt let of_param elt = rebuild_node " of_param " elt let of_area elt = rebuild_node " of_area " elt let of_map elt = rebuild_node " of_map " elt let of_script elt = rebuild_node " of_script " elt let of_embed elt = rebuild_node " of_embed " elt let of_tableCell elt = rebuild_node " of_tableCell " elt let of_tableRow elt = rebuild_node " of_tableRow " elt let of_tableCol elt = rebuild_node " of_tableCol " elt let of_tableSection elt = rebuild_node " of_tableSection " elt let of_tableCaption elt = rebuild_node " of_tableCaption " elt let of_table elt = rebuild_node " of_table " elt let of_canvas elt = rebuild_node " of_canvas " elt let of_iFrame elt = rebuild_node " of_iFrame " elt let of_audio elt = rebuild_node " of_audio " elt let of_video elt = rebuild_node " of_video " elt end

module type OF = sig type ' a elt val of_element : Dom_html . element Js . t -> ' a elt val of_html : Dom_html . htmlElement Js . t -> [ > Html_types . html ] elt val of_head : Dom_html . headElement Js . t -> [ > Html_types . head ] elt val of_link : Dom_html . linkElement Js . t -> [ > Html_types . link ] elt val of_title : Dom_html . titleElement Js . t -> [ > Html_types . title ] elt val of_meta : Dom_html . metaElement Js . t -> [ > Html_types . meta ] elt val of_base : Dom_html . baseElement Js . t -> [ > Html_types . base ] elt val of_style : Dom_html . styleElement Js . t -> [ > Html_types . style ] elt val of_body : Dom_html . bodyElement Js . t -> [ > Html_types . body ] elt val of_form : Dom_html . formElement Js . t -> [ > Html_types . form ] elt val of_optGroup : Dom_html . optGroupElement Js . t -> [ > Html_types . optgroup ] elt val of_option : Dom_html . optionElement Js . t -> [ > Html_types . selectoption ] elt val of_select : Dom_html . selectElement Js . t -> [ > Html_types . select ] elt val of_input : Dom_html . inputElement Js . t -> [ > Html_types . input ] elt val of_textArea : Dom_html . textAreaElement Js . t -> [ > Html_types . textarea ] elt val of_button : Dom_html . buttonElement Js . t -> [ > Html_types . button ] elt val of_label : Dom_html . labelElement Js . t -> [ > Html_types . label ] elt val of_fieldSet : Dom_html . fieldSetElement Js . t -> [ > Html_types . fieldset ] elt val of_legend : Dom_html . legendElement Js . t -> [ > Html_types . legend ] elt val of_uList : Dom_html . uListElement Js . t -> [ > Html_types . ul ] elt val of_oList : Dom_html . oListElement Js . t -> [ > Html_types . ol ] elt val of_dList : Dom_html . dListElement Js . t -> [ > Html_types . dl ] elt val of_li : Dom_html . liElement Js . t -> [ > Html_types . li ] elt val of_div : Dom_html . divElement Js . t -> [ > Html_types . div ] elt val of_paragraph : Dom_html . paragraphElement Js . t -> [ > Html_types . p ] elt val of_heading : Dom_html . headingElement Js . t -> [ > Html_types . heading ] elt val of_quote : Dom_html . quoteElement Js . t -> [ > Html_types . blockquote ] elt val of_pre : Dom_html . preElement Js . t -> [ > Html_types . pre ] elt val of_br : Dom_html . brElement Js . t -> [ > Html_types . br ] elt val of_hr : Dom_html . hrElement Js . t -> [ > Html_types . hr ] elt val of_mod : Dom_html . modElement Js . t -> [ > ' a Html_types . del | ' a Html_types . ins ] elt val of_anchor : Dom_html . anchorElement Js . t -> [ > ' a Html_types . a ] elt val of_image : Dom_html . imageElement Js . t -> [ > Html_types . img ] elt val of_object : Dom_html . objectElement Js . t -> [ > ' a Html_types . object_ ] elt val of_param : Dom_html . paramElement Js . t -> [ > Html_types . param ] elt val of_area : Dom_html . areaElement Js . t -> [ > Html_types . area ] elt val of_map : Dom_html . mapElement Js . t -> [ > ' a Html_types . map ] elt val of_script : Dom_html . scriptElement Js . t -> [ > Html_types . script ] elt val of_embed : Dom_html . embedElement Js . t -> [ > Html_types . embed ] elt val of_tableCell : Dom_html . tableCellElement Js . t -> [ > Html_types . td | Html_types . th ] elt val of_tableRow : Dom_html . tableRowElement Js . t -> [ > Html_types . tr ] elt val of_tableCol : Dom_html . tableColElement Js . t -> [ > Html_types . col ] elt val of_tableSection : Dom_html . tableSectionElement Js . t -> [ > Html_types . tfoot | Html_types . thead | Html_types . tbody ] elt val of_tableCaption : Dom_html . tableCaptionElement Js . t -> [ > Html_types . caption ] elt val of_table : Dom_html . tableElement Js . t -> [ > Html_types . table ] elt val of_canvas : Dom_html . canvasElement Js . t -> [ > ' a Html_types . canvas ] elt val of_iFrame : Dom_html . iFrameElement Js . t -> [ > Html_types . iframe ] elt val of_audio : Dom_html . audioElement Js . t -> [ > ' a Html_types . audio ] elt val of_video : Dom_html . videoElement Js . t -> [ > ' a Html_types . video ] elt end

module type TO = sig type ' a elt val of_element : ' a elt -> Dom_html . element Js . t val of_node : ' a elt -> Dom . node Js . t val of_pcdata : [ < Html_types . pcdata ] elt -> Dom . text Js . t val of_html : [ < Html_types . html ] elt -> Dom_html . htmlElement Js . t val of_head : [ < Html_types . head ] elt -> Dom_html . headElement Js . t val of_link : [ < Html_types . link ] elt -> Dom_html . linkElement Js . t val of_title : [ < Html_types . title ] elt -> Dom_html . titleElement Js . t val of_meta : [ < Html_types . meta ] elt -> Dom_html . metaElement Js . t val of_base : [ < Html_types . base ] elt -> Dom_html . baseElement Js . t val of_style : [ < Html_types . style ] elt -> Dom_html . styleElement Js . t val of_body : [ < Html_types . body ] elt -> Dom_html . bodyElement Js . t val of_form : [ < Html_types . form ] elt -> Dom_html . formElement Js . t val of_optgroup : [ < Html_types . optgroup ] elt -> Dom_html . optGroupElement Js . t val of_option : [ < Html_types . selectoption ] elt -> Dom_html . optionElement Js . t val of_select : [ < Html_types . select ] elt -> Dom_html . selectElement Js . t val of_input : [ < Html_types . input ] elt -> Dom_html . inputElement Js . t val of_textarea : [ < Html_types . textarea ] elt -> Dom_html . textAreaElement Js . t val of_button : [ < Html_types . button ] elt -> Dom_html . buttonElement Js . t val of_label : [ < Html_types . label ] elt -> Dom_html . labelElement Js . t val of_fieldset : [ < Html_types . fieldset ] elt -> Dom_html . fieldSetElement Js . t val of_legend : [ < Html_types . legend ] elt -> Dom_html . legendElement Js . t val of_ul : [ < Html_types . ul ] elt -> Dom_html . uListElement Js . t val of_ol : [ < Html_types . ol ] elt -> Dom_html . oListElement Js . t val of_dl : [ < Html_types . dl ] elt -> Dom_html . dListElement Js . t val of_li : [ < Html_types . li ] elt -> Dom_html . liElement Js . t val of_div : [ < Html_types . div ] elt -> Dom_html . divElement Js . t val of_p : [ < Html_types . p ] elt -> Dom_html . paragraphElement Js . t val of_heading : [ < Html_types . heading ] elt -> Dom_html . headingElement Js . t val of_blockquote : [ < Html_types . blockquote ] elt -> Dom_html . quoteElement Js . t val of_pre : [ < Html_types . pre ] elt -> Dom_html . preElement Js . t val of_br : [ < Html_types . br ] elt -> Dom_html . brElement Js . t val of_hr : [ < Html_types . hr ] elt -> Dom_html . hrElement Js . t val of_del : [ < ' a Html_types . del ] elt -> Dom_html . modElement Js . t val of_ins : [ < ' a Html_types . ins ] elt -> Dom_html . modElement Js . t val of_a : [ < ' a Html_types . a ] elt -> Dom_html . anchorElement Js . t val of_img : [ < Html_types . img_interactive ] elt -> Dom_html . imageElement Js . t val of_object : [ < ' a Html_types . object_ ] elt -> Dom_html . objectElement Js . t val of_param : [ < Html_types . param ] elt -> Dom_html . paramElement Js . t val of_area : [ < Html_types . area ] elt -> Dom_html . areaElement Js . t val of_map : [ < ' a Html_types . map ] elt -> Dom_html . mapElement Js . t val of_script : [ < Html_types . script ] elt -> Dom_html . scriptElement Js . t val of_td : [ < Html_types . td | Html_types . td ] elt -> Dom_html . tableCellElement Js . t val of_tr : [ < Html_types . tr ] elt -> Dom_html . tableRowElement Js . t val of_col : [ < Html_types . col ] elt -> Dom_html . tableColElement Js . t val of_tfoot : [ < Html_types . tfoot ] elt -> Dom_html . tableSectionElement Js . t val of_thead : [ < Html_types . thead ] elt -> Dom_html . tableSectionElement Js . t val of_tbody : [ < Html_types . tbody ] elt -> Dom_html . tableSectionElement Js . t val of_caption : [ < Html_types . caption ] elt -> Dom_html . tableCaptionElement Js . t val of_table : [ < Html_types . table ] elt -> Dom_html . tableElement Js . t val of_canvas : [ < ' a Html_types . canvas ] elt -> Dom_html . canvasElement Js . t val of_iframe : [ < Html_types . iframe ] elt -> Dom_html . iFrameElement Js . t val of_audio : [ < ' a Html_types . audio_interactive ] elt -> Dom_html . audioElement Js . t val of_video : [ < ' a Html_types . video_interactive ] elt -> Dom_html . videoElement Js . t val of_h1 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h2 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h3 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h4 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h5 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_h6 : Html_types . heading elt -> Dom_html . headingElement Js . t val of_abbr : [ > Html_types . abbr ] elt -> Dom_html . element Js . t val of_address : [ > Html_types . address ] elt -> Dom_html . element Js . t val of_article : [ > Html_types . article ] elt -> Dom_html . element Js . t val of_aside : [ > Html_types . aside ] elt -> Dom_html . element Js . t val of_b : [ > Html_types . b ] elt -> Dom_html . element Js . t val of_bdo : [ > Html_types . bdo ] elt -> Dom_html . element Js . t val of_cite : [ > Html_types . cite ] elt -> Dom_html . element Js . t val of_code : [ > Html_types . code ] elt -> Dom_html . element Js . t val of_colgroup : [ > Html_types . colgroup ] elt -> Dom_html . element Js . t val of_command : [ > Html_types . command ] elt -> Dom_html . element Js . t val of_datalist : [ > Html_types . datalist ] elt -> Dom_html . element Js . t val of_dd : [ > Html_types . dd ] elt -> Dom_html . element Js . t val of_details : [ > Html_types . details ] elt -> Dom_html . element Js . t val of_dfn : [ > Html_types . dfn ] elt -> Dom_html . element Js . t val of_dt : [ > Html_types . dt ] elt -> Dom_html . element Js . t val of_em : [ > Html_types . em ] elt -> Dom_html . element Js . t val of_embed : [ > Html_types . embed ] elt -> Dom_html . element Js . t val of_figcaption : [ > Html_types . figcaption ] elt -> Dom_html . element Js . t val of_figure : [ > Html_types . figure ] elt -> Dom_html . element Js . t val of_footer : [ > Html_types . footer ] elt -> Dom_html . element Js . t val of_header : [ > Html_types . header ] elt -> Dom_html . element Js . t val of_hgroup : [ > Html_types . hgroup ] elt -> Dom_html . element Js . t val of_i : [ > Html_types . i ] elt -> Dom_html . element Js . t val of_kbd : [ > Html_types . kbd ] elt -> Dom_html . element Js . t val of_keygen : [ > Html_types . keygen ] elt -> Dom_html . element Js . t val of_main : [ > Html_types . main ] elt -> Dom_html . element Js . t val of_mark : [ > Html_types . mark ] elt -> Dom_html . element Js . t val of_menu : [ > Html_types . menu ] elt -> Dom_html . element Js . t val of_meter : [ > Html_types . meter ] elt -> Dom_html . element Js . t val of_nav : [ > Html_types . nav ] elt -> Dom_html . element Js . t val of_noscript : [ > Html_types . noscript ] elt -> Dom_html . element Js . t val of_output : [ > Html_types . output_elt ] elt -> Dom_html . element Js . t val of_progress : [ > Html_types . progress ] elt -> Dom_html . element Js . t val of_q : [ > Html_types . q ] elt -> Dom_html . element Js . t val of_rp : [ > Html_types . rp ] elt -> Dom_html . element Js . t val of_rt : [ > Html_types . rt ] elt -> Dom_html . element Js . t val of_ruby : [ > Html_types . ruby ] elt -> Dom_html . element Js . t val of_samp : [ > Html_types . samp ] elt -> Dom_html . element Js . t val of_section : [ > Html_types . section ] elt -> Dom_html . element Js . t val of_small : [ > Html_types . small ] elt -> Dom_html . element Js . t val of_source : [ > Html_types . source ] elt -> Dom_html . element Js . t val of_span : [ > Html_types . span ] elt -> Dom_html . element Js . t val of_strong : [ > Html_types . strong ] elt -> Dom_html . element Js . t val of_sub : [ > Html_types . sub ] elt -> Dom_html . element Js . t val of_summary : [ > Html_types . summary ] elt -> Dom_html . element Js . t val of_sup : [ > Html_types . sup ] elt -> Dom_html . element Js . t val of_th : [ > Html_types . th ] elt -> Dom_html . element Js . t val of_time : [ > Html_types . time ] elt -> Dom_html . element Js . t val of_u : [ > Html_types . u ] elt -> Dom_html . element Js . t val of_var : [ > Html_types . var ] elt -> Dom_html . element Js . t val of_wbr : [ > Html_types . wbr ] elt -> Dom_html . element Js . t end

let js_string_of_float f = ( Js . number_of_float f ) ## toString

let js_string_of_int i = ( Js . number_of_float ( float_of_int i ) ) ## toString

module type XML = Xml_sigs . T with type uri = string and type event_handler = Dom_html . event Js . t -> bool and type mouse_event_handler = Dom_html . mouseEvent Js . t -> bool and type keyboard_event_handler = Dom_html . keyboardEvent Js . t -> bool and type elt = Dom . node Js . t

module Xml = struct module W = Xml_wrap . NoWrap type ' a wrap = ' a type ' a list_wrap = ' a list type uri = string let uri_of_string s = s let string_of_uri s = s type aname = string type event_handler = Dom_html . event Js . t -> bool type mouse_event_handler = Dom_html . mouseEvent Js . t -> bool type keyboard_event_handler = Dom_html . keyboardEvent Js . t -> bool type touch_event_handler = Dom_html . touchEvent Js . t -> bool type attrib_k = | Event of event_handler | MouseEvent of mouse_event_handler | KeyboardEvent of keyboard_event_handler | TouchEvent of touch_event_handler | Attr of Js . js_string Js . t option React . S . t type attrib = aname * attrib_k let attr name v = name , Attr ( React . S . const ( Some v ) ) let float_attrib name value : attrib = attr name ( js_string_of_float value ) let int_attrib name value = attr name ( js_string_of_int value ) let string_attrib name value = attr name ( Js . string value ) let space_sep_attrib name values = attr name ( Js . string ( String . concat " " values ) ) let comma_sep_attrib name values = attr name ( Js . string ( String . concat " , " values ) ) let event_handler_attrib name ( value : event_handler ) = name , Event value let mouse_event_handler_attrib name ( value : mouse_event_handler ) = name , MouseEvent value let keyboard_event_handler_attrib name ( value : keyboard_event_handler ) = name , KeyboardEvent value let touch_event_handler_attrib name ( value : touch_event_handler ) = name , TouchEvent value let uri_attrib name value = attr name ( Js . string value ) let uris_attrib name values = attr name ( Js . string ( String . concat " " values ) ) type elt = Dom . node Js . t type ename = string let empty ( ) = ( Dom_html . document ## createDocumentFragment :> Dom . node Js . t ) let comment c = ( Dom_html . document ## createComment ( Js . string c ) :> Dom . node Js . t ) let pcdata s = ( Dom_html . document ## createTextNode ( Js . string s ) :> Dom . node Js . t ) let encodedpcdata s = ( Dom_html . document ## createTextNode ( Js . string s ) :> Dom . node Js . t ) let entity = let string_fold s ~ pos ~ init ~ f = let r = ref init in for i = pos to String . length s - 1 do let c = s . [ i ] in r := f ! r c done ; ! r in let invalid_entity e = failwith ( Printf . sprintf " Invalid entity % S " e ) in let int_of_char = function | ' 0 ' . . ' 9 ' as x -> Some ( Char . code x - Char . code ' 0 ' ) | ' a ' . . ' f ' as x -> Some ( Char . code x - Char . code ' a ' + 10 ) | ' A ' . . ' F ' as x -> Some ( Char . code x - Char . code ' A ' + 10 ) | _ -> None in let parse_int ~ pos ~ base e = string_fold e ~ pos ~ init : 0 ~ f ( : fun acc x -> match int_of_char x with | Some d when d < base -> ( acc * base ) + d | Some _ | None -> invalid_entity e ) in let is_alpha_num = function | ' 0 ' . . ' 9 ' | ' a ' . . ' z ' | ' A ' . . ' Z ' -> true | _ -> false in fun e -> let len = String . length e in let str = if len >= 1 && Char . equal e . [ 0 ] ' ' # then let i = if len >= 2 && ( Char . equal e . [ 1 ] ' x ' || Char . equal e . [ 1 ] ' X ' ) then parse_int ~ pos : 2 ~ base : 16 e else parse_int ~ pos : 1 ~ base : 10 e in Js . string_constr ## fromCharCode i else if string_fold e ~ pos : 0 ~ init : true ~ f ( : fun acc x -> acc && is_alpha_num x ) then match e with | " quot " -> Js . string " " " \ | " amp " -> Js . string " " & | " apos " -> Js . string " ' " | " lt " -> Js . string " " < | " gt " -> Js . string " " > | " " -> invalid_entity e | _ -> Dom_html . decode_html_entities ( Js . string ( " " & ^ e ^ " ; " ) ) else invalid_entity e in ( Dom_html . document ## createTextNode str :> Dom . node Js . t ) let get_prop node name = if Js . Optdef . test ( Js . Unsafe . get node name ) then Some name else None let iter_prop_protected node name f = match get_prop node name with | Some n -> ( try f n with _ -> ( ) ) | None -> ( ) let attach_attribs node l = List . iter ( fun ( n ' , att ) -> let n = Js . string n ' in match att with | Attr a -> let ( _ : unit React . S . t ) = React . S . map ( function | Some v -> ( ignore ( node ## setAttribute n v ) ; match n ' with | " style " -> node . ## style . ## cssText := v | _ -> iter_prop_protected node n ( fun name -> Js . Unsafe . set node name v ) ) | None -> ( ignore ( node ## removeAttribute n ) ; match n ' with | " style " -> node . ## style . ## cssText := Js . string " " | _ -> iter_prop_protected node n ( fun name -> Js . Unsafe . set node name Js . null ) ) ) a in ( ) | Event h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) | MouseEvent h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) | KeyboardEvent h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) | TouchEvent h -> Js . Unsafe . set node n ( fun ev -> Js . bool ( h ev ) ) ) l let leaf ( ? a = [ ] ) name = let e = Dom_html . document ## createElement ( Js . string name ) in attach_attribs e a ; ( e :> Dom . node Js . t ) let node ( ? a = [ ] ) name children = let e = Dom_html . document ## createElement ( Js . string name ) in attach_attribs e a ; List . iter ( fun c -> ignore ( e ## appendChild c ) ) children ; ( e :> Dom . node Js . t ) let cdata s = pcdata s let cdata_script s = cdata s let cdata_style s = cdata s end

module Xml_Svg = struct include Xml let leaf ( ? a = [ ] ) name = let e = Dom_html . document ## createElementNS Dom_svg . xmlns ( Js . string name ) in attach_attribs e a ; ( e :> Dom . node Js . t ) let node ( ? a = [ ] ) name children = let e = Dom_html . document ## createElementNS Dom_svg . xmlns ( Js . string name ) in attach_attribs e a ; List . iter ( fun c -> ignore ( e ## appendChild c ) ) children ; ( e :> Dom . node Js . t ) end

module Svg = Svg_f . Make ( Xml_Svg )

module Html = Html_f . Make ( Xml ) ( Svg )

module To_dom = Tyxml_cast . MakeTo ( struct type ' a elt = ' a Html . elt let elt = Html . toelt end )

module Of_dom = Tyxml_cast . MakeOf ( struct type ' a elt = ' a Html . elt let elt = Html . tot end )

module Register = struct let removeChildren ( node : # Dom . element Js . t ) = let l = node . ## childNodes in for i = 0 to l . ## length - 1 do Js . Opt . iter ( l ## item i ) ( fun x -> ignore ( node ## removeChild x ) ) done let add_to ( ? keep = true ) node content = if not keep then removeChildren node ; List . iter ( fun x -> Dom . appendChild node ( To_dom . of_element x ) ) content let id ? keep id content = let node = Dom_html . getElementById id in add_to ? keep node content let body ? keep content = add_to ? keep Dom_html . document . ## body content let head ? keep content = add_to ? keep Dom_html . document . ## head content let html ? head body = ( match head with | Some h -> Dom_html . document . ## head := To_dom . of_head h | None -> ( ) ) ; Dom_html . document . ## body := To_dom . of_body body ; ( ) end

module Wrap = struct type ' a t = ' a React . signal type ' a tlist = ' a ReactiveData . RList . t type ( ' a , ' b ) ft = ' a -> ' b let return = React . S . const let fmap f = React . S . map f let nil ( ) = ReactiveData . RList . empty let singleton = ReactiveData . RList . singleton_s let cons x xs = ReactiveData . RList . concat ( singleton x ) xs let map f = ReactiveData . RList . map f let append x y = ReactiveData . RList . concat x y end

module Util = struct open ReactiveData open RList let insertAt dom i x = let nodes = dom . ## childNodes in assert ( i <= nodes . ## length ) ; if i = nodes . ## length then ignore ( dom ## appendChild ( x :> Dom . node Js . t ) ) else ignore ( dom ## insertBefore x ( nodes ## item i ) ) let merge_one_patch ( dom : Dom . node Js . t ) ( p : Dom . node Js . t p ) = match p with | I ( i , x ) -> let i = if i < 0 then dom . ## childNodes . ## length + 1 + i else i in insertAt dom i x | R i -> let i = if i < 0 then dom . ## childNodes . ## length + i else i in let nodes = dom . ## childNodes in assert ( i >= 0 && i < nodes . ## length ) ; Js . Opt . iter ( nodes ## item i ) ( fun n -> Dom . removeChild dom n ) | U ( i , x ) -> ( let i = if i < 0 then dom . ## childNodes . ## length + i else i in match Js . Opt . to_option ( dom . ## childNodes ## item i ) with | Some old -> ignore ( dom ## replaceChild x old ) | _ -> assert false ) | X ( i , move ) -> ( let i = if i < 0 then dom . ## childNodes . ## length + i else i in if move = 0 then ( ) else match Js . Opt . to_option ( dom . ## childNodes ## item i ) with | Some i ' -> insertAt dom ( i + if move > 0 then move + 1 else move ) i ' | _ -> assert false ) let rec removeChildren dom = match Js . Opt . to_option dom . ## lastChild with | None -> ( ) | Some c -> ignore ( dom ## removeChild c ) ; removeChildren dom let merge_msg ( dom : Dom . node Js . t ) ( msg : Dom . node Js . t msg ) = match msg with | Set l -> removeChildren dom ; List . iter ( fun l -> ignore ( dom ## appendChild l ) ) l | Patch p -> List . iter ( merge_one_patch dom ) p let update_children ( dom : Dom . node Js . t ) ( nodes : Dom . node Js . t t ) = removeChildren dom ; let _s : unit React . S . t = fold ( fun ( ) msg -> merge_msg dom msg ) nodes ( ) in ( ) end

module R = struct let filter_attrib ( name , a ) on = match a with | Xml . Event _ | Xml . MouseEvent _ | Xml . KeyboardEvent _ | Xml . TouchEvent _ -> raise ( Invalid_argument " filter_attrib not implemented for event handler " ) | Xml . Attr a -> name , Xml . Attr ( React . S . l2 ( fun on a -> if on then a else None ) on a ) let attach_attribs = Xml . attach_attribs module Xml = struct module W = 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 attr name f s = let a = W . fmap f s in name , Xml . Attr a let float_attrib name s = attr name ( fun f -> Some ( js_string_of_float f ) ) s let int_attrib name s = attr name ( fun f -> Some ( js_string_of_int f ) ) s let string_attrib name s = attr name ( fun f -> Some ( Js . string f ) ) s let space_sep_attrib name s = attr name ( fun f -> Some ( Js . string ( String . concat " " f ) ) ) s let comma_sep_attrib name s = attr name ( fun f -> Some ( Js . string ( String . concat " , " f ) ) ) s let event_handler_attrib name s = Xml . event_handler_attrib name s let mouse_event_handler_attrib name s = Xml . mouse_event_handler_attrib name s let keyboard_event_handler_attrib name s = Xml . keyboard_event_handler_attrib name s let touch_event_handler_attrib name s = Xml . touch_event_handler_attrib name s let uri_attrib name s = attr name ( fun f -> Some ( Js . string f ) ) s let uris_attrib name s = attr name ( fun f -> Some ( Js . string ( String . concat " " f ) ) ) s type elt = Xml . elt type ename = Xml . ename let empty = Xml . empty let comment = Xml . comment let pcdata s = let e = Dom_html . document ## createTextNode ( Js . string " " ) in let _ = React . S . map ( fun s -> e . ## data := Js . string s ) s in ( e :> Dom . node Js . t ) let encodedpcdata s = pcdata s let entity s = Xml . entity s let leaf = Xml . leaf let node ( ? a = [ ] ) name l = let e = Dom_html . document ## createElement ( Js . string name ) in attach_attribs e a ; Util . update_children ( e :> Dom . node Js . t ) l ; ( e :> Dom . node Js . t ) let cdata = Xml . cdata let cdata_script = Xml . cdata_script let cdata_style = Xml . cdata_style end module Xml_Svg = struct include Xml let leaf = Xml_Svg . leaf let node ( ? a = [ ] ) name l = let e = Dom_html . document ## createElementNS Dom_svg . xmlns ( Js . string name ) in attach_attribs e a ; Util . update_children ( e :> Dom . node Js . t ) l ; ( e :> Dom . node Js . t ) end module Svg = Svg_f . Make ( Xml_Svg ) module Html = Html_f . Make ( Xml ) ( Svg ) module Html5 = Html end

module Core_category = struct type t = [ ` Branch | ` Temporary | ` Permanent ] let default_category = ` Temporary let string_of_category = function | ` Permanent -> " permanent " | ` Temporary -> " temporary " | ` Branch -> " branch " let classify = function | ` Permanent -> Error_classification . Permanent | ` Temporary -> Temporary | ` Branch -> Branch end include Core_maker . Make ( struct let id = " " end ) ( Core_category )

let get_int32_string s off = Bytes . get_int32_be ( Bytes . unsafe_of_string s ) off

let get_int8_string s off = Bytes . get_int8 ( Bytes . unsafe_of_string s ) off

let get_int16_string s off = Bytes . get_int16_be ( Bytes . unsafe_of_string s ) off

let get_int64_string s off = Bytes . get_int64_be ( Bytes . unsafe_of_string s ) off

let get_uint8_string s off = Bytes . get_uint8 ( Bytes . unsafe_of_string s ) off

let get_uint16_string s off = Bytes . get_uint16_be ( Bytes . unsafe_of_string s ) off

let get_double buff i = Int64 . float_of_bits ( Bytes . get_int64_be buff i )

let get_double_string buff i = Int64 . float_of_bits ( Bytes . get_int64_be ( Bytes . unsafe_of_string buff ) i )

let set_double buff i v = Bytes . set_int64_be buff i ( Int64 . bits_of_float v )

let is_empty = function [ ] -> true | _ -> false

let rev_sub l n = if n < 0 then invalid_arg " Utils . rev_sub : ` n ` must be non - negative . " ; let rec append_rev_sub acc l = function | 0 -> acc | n -> ( match l with | [ ] -> acc | hd :: tl -> append_rev_sub ( hd :: acc ) tl ( n - 1 ) ) in append_rev_sub [ ] l n

let sub l n = rev_sub l n |> List . rev

let rec remove nb = function | [ ] -> [ ] | l when nb <= 0 -> l | _ :: tl -> remove ( nb - 1 ) tl

let rec repeat n x = if n <= 0 then [ ] else x :: repeat ( pred n ) x

let split_n n l = let rec loop acc n = function | [ ] -> ( l , [ ] ) | rem when n <= 0 -> ( List . rev acc , rem ) | x :: xs -> loop ( x :: acc ) ( pred n ) xs in loop [ ] n l

let take_n_unsorted n l = fst ( split_n n l )

let take_n_sorted ( type a ) compare n l = let module B = Bounded_heap . Make ( struct type t = a let compare = compare end ) in let t = B . create n in List . iter ( fun x -> B . insert x t ) l ; B . get t

let take_n ? compare n l = match compare with | None -> take_n_unsorted n l | Some compare -> take_n_sorted compare n l

let rec drop_n n l = if n <= 0 then l else match l with [ ] -> [ ] | _ :: xs -> drop_n ( n - 1 ) xs

let select n l = let rec loop n acc = function | [ ] -> invalid_arg " Utils . select " | x :: xs when n <= 0 -> ( x , List . rev_append acc xs ) | x :: xs -> loop ( pred n ) ( x :: acc ) xs in loop n [ ] l

let shift = function [ ] -> [ ] | hd :: tl -> tl @ [ hd ]

let rec product a b = match a with | [ ] -> [ ] | hd :: tl -> List . map ( fun x -> ( hd , x ) ) b @ product tl b

let shuffle ? rng_state l = let randint = match rng_state with | None -> Random . int | Some rng_state -> Random . State . int rng_state in let a = Array . of_list l in let len = Array . length a in for i = len downto 2 do let m = randint i in let n ' = i - 1 in if m <> n ' then ( let tmp = a . ( m ) in a . ( m ) <- a . ( n ' ) ; a . ( n ' ) <- tmp ) done ; Array . to_list a

let index_of ( ? compare = Stdlib . compare ) item list = let rec find index = function | [ ] -> None | head :: tail -> if compare head item = 0 then Some index else find ( index + 1 ) tail in find 0 list

let filter_some l = let rec go acc = function | [ ] -> List . rev acc | None :: xs -> go acc xs | Some x :: xs -> go ( x :: acc ) xs in go [ ] l

let rec find_map f = function | [ ] -> None | x :: l -> ( match f x with None -> find_map f l | r -> r )

let fold_left_i f init l = List . fold_left ( fun ( i , accu ) x -> let accu = f i accu x in ( i + 1 , accu ) ) ( 0 , init ) l |> snd

module List = struct include Tezos_stdlib . TzList include Tezos_error_monad . TzLwtreslib . List end

module String = struct include String include Tezos_stdlib . TzString module Hashtbl = Tezos_error_monad . TzLwtreslib . Hashtbl . MakeSeeded ( struct type t = string let equal = String . equal let hash = Hashtbl . seeded_hash end ) end

module Filename = struct include Stdlib . Filename include Tezos_stdlib . TzFilename end

module Set = Set . Make ( String )

module Map = Map . Make ( String )

let split delim ( ? dup = true ) ( ? limit = max_int ) path = let l = String . length path in let rec do_slashes acc limit i = if i >= l then List . rev acc else if path . [ i ] = delim then if dup then do_slashes acc limit ( i + 1 ) else do_split acc limit ( i + 1 ) else do_split acc limit i and do_split acc limit i = if limit <= 0 then if i = l then List . rev acc else List . rev ( String . sub path i ( l - i ) :: acc ) else do_component acc ( pred limit ) i i and do_component acc limit i j = if j >= l then if i = j then List . rev acc else List . rev ( String . sub path i ( j - i ) :: acc ) else if path . [ j ] = delim then do_slashes ( String . sub path i ( j - i ) :: acc ) limit j else do_component acc limit i ( j + 1 ) in if limit > 0 then do_slashes [ ] limit 0 else [ path ]

let split_path path = split ' ' / path

let has_prefix ~ prefix s = let x = String . length prefix in let n = String . length s in n >= x && String . sub s 0 x = prefix