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|
(* html4.g
*
* COPYRIGHT (c) 2014 The Fellowship of SML/NJ (http://www.smlnj.org)
* All rights reserved.
*)
%name HTML4;
%defs(
open HTML4Utils
fun optToList NONE = []
| optToList (SOME thing) = [thing]
fun optListToList NONE = []
| optListToList (SOME thing) = thing
);
%tokens : OPENTAG of Atom.atom * HTML4Utils.tag_payload
| CLOSETAG of Atom.atom
| COMMENT of string
| PCDATA of string
| DOCTYPE of string
| CHAR_REF of IntInf.int
| ENTITY_REF of Atom.atom
| XML_PROCESSING of string
(* HTML 4 element tokens. *)
| STARTA of HTML4Utils.tag_payload
| ENDA
| STARTABBR of HTML4Utils.tag_payload
| ENDABBR
| STARTACRONYM of HTML4Utils.tag_payload
| ENDACRONYM
| STARTADDRESS of HTML4Utils.tag_payload
| ENDADDRESS
| STARTAPPLET of HTML4Utils.tag_payload
| ENDAPPLET
| STARTAREA of HTML4Utils.tag_payload
(* No END tag for AREA element. *)
| STARTB of HTML4Utils.tag_payload
| ENDB
| STARTBASE of HTML4Utils.tag_payload
(* No END tag for BASE element. *)
| STARTBASEFONT of HTML4Utils.tag_payload
(* No END tag for BASEFONT element. *)
| STARTBDO of HTML4Utils.tag_payload
| ENDBDO
| STARTBIG of HTML4Utils.tag_payload
| ENDBIG
| STARTBLOCKQUOTE of HTML4Utils.tag_payload
| ENDBLOCKQUOTE
| STARTBODY of HTML4Utils.tag_payload
| ENDBODY
| STARTBR of HTML4Utils.tag_payload
(* No END tag for BR element. *)
| STARTBUTTON of HTML4Utils.tag_payload
| ENDBUTTON
| STARTCAPTION of HTML4Utils.tag_payload
| ENDCAPTION
| STARTCENTER of HTML4Utils.tag_payload
| ENDCENTER
| STARTCITE of HTML4Utils.tag_payload
| ENDCITE
| STARTCODE of HTML4Utils.tag_payload
| ENDCODE
| STARTCOL of HTML4Utils.tag_payload
(* No END tag for COL element. *)
| STARTCOLGROUP of HTML4Utils.tag_payload
| ENDCOLGROUP
| STARTDD of HTML4Utils.tag_payload
| ENDDD
| STARTDEL of HTML4Utils.tag_payload
| ENDDEL
| STARTDFN of HTML4Utils.tag_payload
| ENDDFN
| STARTDIR of HTML4Utils.tag_payload
| ENDDIR
| STARTDIV of HTML4Utils.tag_payload
| ENDDIV
| STARTDL of HTML4Utils.tag_payload
| ENDDL
| STARTDT of HTML4Utils.tag_payload
| ENDDT
| STARTEM of HTML4Utils.tag_payload
| ENDEM
| STARTFIELDSET of HTML4Utils.tag_payload
| ENDFIELDSET
| STARTFONT of HTML4Utils.tag_payload
| ENDFONT
| STARTFORM of HTML4Utils.tag_payload
| ENDFORM
| STARTFRAME of HTML4Utils.tag_payload
(* No END tag for FRAME element. *)
| STARTFRAMESET of HTML4Utils.tag_payload
| ENDFRAMESET
| STARTH1 of HTML4Utils.tag_payload
| ENDH1
| STARTH2 of HTML4Utils.tag_payload
| ENDH2
| STARTH3 of HTML4Utils.tag_payload
| ENDH3
| STARTH4 of HTML4Utils.tag_payload
| ENDH4
| STARTH5 of HTML4Utils.tag_payload
| ENDH5
| STARTH6 of HTML4Utils.tag_payload
| ENDH6
| STARTHEAD of HTML4Utils.tag_payload
| ENDHEAD
| STARTHR of HTML4Utils.tag_payload
(* No END tag for HR element. *)
| STARTHTML of HTML4Utils.tag_payload
| ENDHTML
| STARTI of HTML4Utils.tag_payload
| ENDI
| STARTIFRAME of HTML4Utils.tag_payload
| ENDIFRAME
| STARTIMG of HTML4Utils.tag_payload
(* No END tag for IMG element. *)
| STARTINPUT of HTML4Utils.tag_payload
(* No END tag for INPUT element. *)
| STARTINS of HTML4Utils.tag_payload
| ENDINS
| STARTISINDEX of HTML4Utils.tag_payload
(* No END tag for ISINDEX element. *)
| STARTKBD of HTML4Utils.tag_payload
| ENDKBD
| STARTLABEL of HTML4Utils.tag_payload
| ENDLABEL
| STARTLEGEND of HTML4Utils.tag_payload
| ENDLEGEND
| STARTLI of HTML4Utils.tag_payload
| ENDLI
| STARTLINK of HTML4Utils.tag_payload
(* No END tag for LINK element. *)
| STARTMAP of HTML4Utils.tag_payload
| ENDMAP
| STARTMENU of HTML4Utils.tag_payload
| ENDMENU
| STARTMETA of HTML4Utils.tag_payload
(* No END tag for META element. *)
| STARTNOFRAMES of HTML4Utils.tag_payload
| ENDNOFRAMES
| STARTNOSCRIPT of HTML4Utils.tag_payload
| ENDNOSCRIPT
| STARTOBJECT of HTML4Utils.tag_payload
| ENDOBJECT
| STARTOL of HTML4Utils.tag_payload
| ENDOL
| STARTOPTGROUP of HTML4Utils.tag_payload
| ENDOPTGROUP
| STARTOPTION of HTML4Utils.tag_payload
| ENDOPTION
| STARTP of HTML4Utils.tag_payload
| ENDP
| STARTPARAM of HTML4Utils.tag_payload
(* No END tag for PARAM element. *)
| STARTPRE of HTML4Utils.tag_payload
| ENDPRE
| STARTQ of HTML4Utils.tag_payload
| ENDQ
| STARTS of HTML4Utils.tag_payload
| ENDS
| STARTSAMP of HTML4Utils.tag_payload
| ENDSAMP
| STARTSCRIPT of HTML4Utils.tag_payload
| ENDSCRIPT
| STARTSELECT of HTML4Utils.tag_payload
| ENDSELECT
| STARTSMALL of HTML4Utils.tag_payload
| ENDSMALL
| STARTSPAN of HTML4Utils.tag_payload
| ENDSPAN
| STARTSTRIKE of HTML4Utils.tag_payload
| ENDSTRIKE
| STARTSTRONG of HTML4Utils.tag_payload
| ENDSTRONG
| STARTSTYLE of HTML4Utils.tag_payload
| ENDSTYLE
| STARTSUB of HTML4Utils.tag_payload
| ENDSUB
| STARTSUP of HTML4Utils.tag_payload
| ENDSUP
| STARTTABLE of HTML4Utils.tag_payload
| ENDTABLE
| STARTTBODY of HTML4Utils.tag_payload
| ENDTBODY
| STARTTD of HTML4Utils.tag_payload
| ENDTD
| STARTTEXTAREA of HTML4Utils.tag_payload
| ENDTEXTAREA
| STARTTFOOT of HTML4Utils.tag_payload
| ENDTFOOT
| STARTTH of HTML4Utils.tag_payload
| ENDTH
| STARTTHEAD of HTML4Utils.tag_payload
| ENDTHEAD
| STARTTITLE of HTML4Utils.tag_payload
| ENDTITLE
| STARTTR of HTML4Utils.tag_payload
| ENDTR
| STARTTT of HTML4Utils.tag_payload
| ENDTT
| STARTU of HTML4Utils.tag_payload
| ENDU
| STARTUL of HTML4Utils.tag_payload
| ENDUL
| STARTVAR of HTML4Utils.tag_payload
| ENDVAR
;
%start document;
%entry body, flow, block, inline, cdata_opt;
document : cdata_opt
(DOCTYPE cdata_opt => ((Lf (Tok.DOCTYPE DOCTYPE)) :: cdata_opt))?
(STARTHTML cdata_opt
=> ((Lf (Tok.STARTHTML STARTHTML)) :: cdata_opt))?
head
(body | frameset)
(ENDHTML cdata_opt => ((Lf (Tok.ENDHTML)) :: cdata_opt))?
=> (Nd (Atom.atom "DOCUMENT",
cdata_opt @ (optListToList SR1) @ (optListToList SR2) @
(head :: SR3 :: (optListToList SR4))))
;
(* ______________________________________________________________________
HEAD and related elements
______________________________________________________________________ *)
head : (STARTHEAD cdata_opt => ((Lf (Tok.STARTHEAD STARTHEAD)) :: cdata_opt))?
(head_content cdata_opt => (head_content :: cdata_opt))*
(ENDHEAD cdata_opt => ((Lf (Tok.ENDHEAD)) :: cdata_opt))?
=> (Nd (Atom.atom "HEAD",
(optListToList SR1) @ (foldr op@ [] SR2) @ (optListToList SR3)))
;
head_content : title | base | script | style | meta | link | object
;
title : STARTTITLE cdata_opt ENDTITLE
=> (Nd (Atom.atom "TITLE",
(Lf (Tok.STARTTITLE STARTTITLE)) ::
(cdata_opt @ [Lf (Tok.ENDTITLE)])))
;
base : STARTBASE
=> (Nd (Atom.atom "BASE", [Lf (Tok.STARTBASE STARTBASE)]))
;
script : STARTSCRIPT cdata_opt ENDSCRIPT
=> (Nd (Atom.atom "SCRIPT",
(Lf (Tok.STARTSCRIPT STARTSCRIPT)) ::
(cdata_opt @ [Lf (Tok.ENDSCRIPT)])))
;
style : STARTSTYLE cdata_opt ENDSTYLE
=> (Nd (Atom.atom "STYLE",
(Lf (Tok.STARTSTYLE STARTSTYLE)) ::
(cdata_opt @ [Lf (Tok.ENDSTYLE)])))
;
meta : STARTMETA
=> (Nd (Atom.atom "META", [Lf (Tok.STARTMETA STARTMETA)]))
;
link : STARTLINK
=> (Nd (Atom.atom "LINK", [Lf (Tok.STARTLINK STARTLINK)]))
;
object : STARTOBJECT (param | flow)* ENDOBJECT
=> (Nd (Atom.atom "OBJECT",
(Lf (Tok.STARTOBJECT STARTOBJECT)) ::
(SR @ [Lf (Tok.ENDOBJECT)])))
;
param : STARTPARAM
=> (Nd (Atom.atom "PARAM", [(Lf (Tok.STARTPARAM STARTPARAM))]))
;
(* ______________________________________________________________________
BODY and related elements
______________________________________________________________________ *)
body : STARTBODY body_rest
=> (Nd (Atom.atom "BODY",
(Lf (Tok.STARTBODY STARTBODY)) :: body_rest))
| (block | ins | del) body_rest
=> (Nd (Atom.atom "BODY", SR :: body_rest))
;
body_rest : (block | script | ins | del | cdata)*
(ENDBODY cdata_opt => ((Lf (Tok.ENDBODY)) :: cdata_opt))?
=> (SR1 @ (optListToList SR2))
;
flow : block
| inline
;
block : p
| heading
| list
| preformatted
| dl
| div
| noscript
| blockquote
| form
| hr
| table
| fieldset
| address
| block_loose
;
block_loose : center
| isindex
;
heading : h1
| h2
| h3
| h4
| h5
| h6
;
list : ul
| ol
| list_loose
;
list_loose : dir
| menu
;
preformatted : pre
;
inline : fontstyle
| phrase
| special
| formctrl
| cdata
;
fontstyle : tt
| i
| b
| big
| small
| fontstyle_loose
;
fontstyle_loose : u
| s
| strike
;
phrase : em
| strong
| dfn
| code
| samp
| kbd
| var
| cite
| abbr
| acronym
;
special : a
| img
| object
| br
| script
| map
| q
| sub
| sup
| span
| bdo
| special_loose
;
special_loose : applet
| basefont
| font
| iframe
;
formctrl : input
| select
| textarea
| label
| button
;
(* Actual elements *)
a : STARTA inline* ENDA
=> (Nd (Atom.atom "A",
(Lf (Tok.STARTA STARTA)) :: (inline @ [Lf (Tok.ENDA)])))
;
abbr : STARTABBR inline* ENDABBR
=> (Nd (Atom.atom "ABBR",
(Lf (Tok.STARTABBR STARTABBR)) ::
(inline @ [Lf (Tok.ENDABBR)])))
;
acronym : STARTACRONYM inline* ENDACRONYM
=> (Nd (Atom.atom "ACRONYM",
(Lf (Tok.STARTACRONYM STARTACRONYM)) ::
(inline @ [Lf (Tok.ENDACRONYM)])))
;
address : STARTADDRESS inline* ENDADDRESS
=> (Nd (Atom.atom "ADDRESS",
(Lf (Tok.STARTADDRESS STARTADDRESS)) ::
(inline @ [Lf (Tok.ENDADDRESS)])))
;
applet : STARTAPPLET (param | flow)* ENDAPPLET
=> (Nd (Atom.atom "APPLET",
(Lf (Tok.STARTAPPLET STARTAPPLET)) ::
(SR @ [Lf (Tok.ENDAPPLET)])))
;
area : STARTAREA
=> (Nd (Atom.atom "AREA", [Lf (Tok.STARTAREA STARTAREA)]))
;
b : STARTB inline* ENDB
=> (Nd (Atom.atom "B",
(Lf (Tok.STARTB STARTB)) :: (inline @ [Lf (Tok.ENDB)])))
;
basefont : STARTBASEFONT
=> (Nd (Atom.atom "BASEFONT", [Lf (Tok.STARTBASEFONT STARTBASEFONT)]))
;
bdo : STARTBDO inline* ENDBDO
=> (Nd (Atom.atom "BDO",
(Lf (Tok.STARTBDO STARTBDO)) ::
(inline @ [Lf (Tok.ENDBDO)])))
;
big : STARTBIG inline* ENDBIG
=> (Nd (Atom.atom "BIG",
(Lf (Tok.STARTBIG STARTBIG)) ::
(inline @ [Lf (Tok.ENDBIG)])))
;
blockquote : STARTBLOCKQUOTE (block | script | cdata)+ ENDBLOCKQUOTE
=> (Nd (Atom.atom "BLOCKQUOTE",
(Lf (Tok.STARTBLOCKQUOTE STARTBLOCKQUOTE)) ::
(SR @ [Lf (Tok.ENDBLOCKQUOTE)])))
;
br : STARTBR
=> (Nd (Atom.atom "BR", [Lf (Tok.STARTBR STARTBR)]))
;
button : STARTBUTTON flow* ENDBUTTON
=> (Nd (Atom.atom "BUTTON",
(Lf (Tok.STARTBUTTON STARTBUTTON)) ::
(flow @ [Lf (Tok.ENDBUTTON)])))
;
caption : STARTCAPTION inline* ENDCAPTION
=> (Nd (Atom.atom "CAPTION",
(Lf (Tok.STARTCAPTION STARTCAPTION)) ::
(inline @ [Lf (Tok.ENDCAPTION)])))
;
center : STARTCENTER flow* ENDCENTER
=> (Nd (Atom.atom "CENTER",
(Lf (Tok.STARTCENTER STARTCENTER)) ::
(flow @ [Lf (Tok.ENDCENTER)])))
;
cite : STARTCITE inline* ENDCITE
=> (Nd (Atom.atom "CITE",
(Lf (Tok.STARTCITE STARTCITE)) ::
(inline @ [Lf (Tok.ENDCITE)])))
;
code : STARTCODE inline* ENDCODE
=> (Nd (Atom.atom "CODE",
(Lf (Tok.STARTCODE STARTCODE)) ::
(inline @ [Lf (Tok.ENDCODE)])))
;
col : STARTCOL
=> (Nd (Atom.atom "COL", [Lf (Tok.STARTCOL STARTCOL)]))
;
colgroup : STARTCOLGROUP cdata_opt
(col cdata_opt => (col :: cdata_opt))*
(ENDCOLGROUP => (Lf (Tok.ENDCOLGROUP)))?
=> (Nd (Atom.atom "COLGROUP",
(Lf (Tok.STARTCOLGROUP STARTCOLGROUP)) ::
(cdata_opt @ (foldr op@ [] SR1) @ (optToList SR2))))
;
dd : STARTDD flow* (ENDDD => (Lf (Tok.ENDDD)))?
=> (Nd (Atom.atom "DD",
(Lf (Tok.STARTDD STARTDD)) :: (flow @ (optToList SR))))
;
del : STARTDEL flow* ENDDEL
=> (Nd (Atom.atom "DEL",
(Lf (Tok.STARTDEL STARTDEL)) ::
(flow @ [Lf (Tok.ENDDEL)])))
;
dfn : STARTDFN inline* ENDDFN
=> (Nd (Atom.atom "DFN",
(Lf (Tok.STARTDFN STARTDFN)) ::
(inline @ [Lf (Tok.ENDDFN)])))
;
dir : STARTDIR cdata_opt li+ ENDDIR
=> (Nd (Atom.atom "DIR",
(Lf (Tok.STARTDIR STARTDIR)) ::
(cdata_opt @ li @ [Lf (Tok.ENDDIR)])))
;
div : STARTDIV flow* ENDDIV
=> (Nd (Atom.atom "DIV",
(Lf (Tok.STARTDIV STARTDIV)) ::
(flow @ [Lf (Tok.ENDDIV)])))
;
dl : STARTDL cdata_opt (dt | dd)+ ENDDL
=> (Nd (Atom.atom "DL",
(Lf (Tok.STARTDL STARTDL)) ::
(cdata_opt @ SR @ [Lf (Tok.ENDDL)])))
;
dt : STARTDT inline* (ENDDT => (Lf (Tok.ENDDT)))?
=> (Nd (Atom.atom "DT",
(Lf (Tok.STARTDT STARTDT)) :: (inline @ (optToList SR))))
;
em : STARTEM inline* ENDEM
=> (Nd (Atom.atom "EM",
(Lf (Tok.STARTEM STARTEM)) :: (inline @ [Lf (Tok.ENDEM)])))
;
fieldset : STARTFIELDSET cdata_opt legend flow* ENDFIELDSET
=> (Nd (Atom.atom "FIELDSET",
(Lf (Tok.STARTFIELDSET STARTFIELDSET)) ::
(cdata_opt @ [legend] @ flow @
[Lf (Tok.ENDFIELDSET)])))
;
font : STARTFONT inline* ENDFONT
=> (Nd (Atom.atom "FONT",
(Lf (Tok.STARTFONT STARTFONT)) ::
(inline @ [Lf (Tok.ENDFONT)])))
;
form : STARTFORM (cdata | block | script)+ ENDFORM
=> (Nd (Atom.atom "FORM",
(Lf (Tok.STARTFORM STARTFORM)) ::
(SR @ [Lf (Tok.ENDFORM)])))
;
frame : STARTFRAME
=> (Nd (Atom.atom "FRAME", [Lf (Tok.STARTFRAME STARTFRAME)]))
;
frameset : STARTFRAMESET (frameset | frame | cdata)+
(noframes cdata_opt => (noframes::cdata_opt))? ENDFRAMESET
=> (Nd (Atom.atom "FRAMESET",
(Lf (Tok.STARTFRAMESET STARTFRAMESET)) ::
(SR1 @ (optListToList SR2) @ [Lf (Tok.ENDFRAMESET)])))
;
h1 : STARTH1 inline* ENDH1
=> (Nd (Atom.atom "H1",
(Lf (Tok.STARTH1 STARTH1)) :: (inline @ [Lf (Tok.ENDH1)])))
;
h2 : STARTH2 inline* ENDH2
=> (Nd (Atom.atom "H2",
(Lf (Tok.STARTH2 STARTH2)) :: (inline @ [Lf (Tok.ENDH2)])))
;
h3 : STARTH3 inline* ENDH3
=> (Nd (Atom.atom "H3",
(Lf (Tok.STARTH3 STARTH3)) :: (inline @ [Lf (Tok.ENDH3)])))
;
h4 : STARTH4 inline* ENDH4
=> (Nd (Atom.atom "H4",
(Lf (Tok.STARTH4 STARTH4)) :: (inline @ [Lf (Tok.ENDH4)])))
;
h5 : STARTH5 inline* ENDH5
=> (Nd (Atom.atom "H5",
(Lf (Tok.STARTH5 STARTH5)) :: (inline @ [Lf (Tok.ENDH5)])))
;
h6 : STARTH6 inline* ENDH6
=> (Nd (Atom.atom "H6",
(Lf (Tok.STARTH6 STARTH6)) :: (inline @ [Lf (Tok.ENDH6)])))
;
hr : STARTHR
=> (Nd (Atom.atom "HR", [Lf (Tok.STARTHR STARTHR)]))
;
i : STARTI inline* ENDI
=> (Nd (Atom.atom "I",
(Lf (Tok.STARTI STARTI)) ::
(inline @ [Lf (Tok.ENDI)])))
;
iframe : STARTIFRAME flow* ENDIFRAME
=> (Nd (Atom.atom "IFRAME",
(Lf (Tok.STARTIFRAME STARTIFRAME)) ::
(flow @ [Lf (Tok.ENDIFRAME)])))
;
img : STARTIMG
=> (Nd (Atom.atom "IMG", [Lf (Tok.STARTIMG STARTIMG)]))
;
input : STARTINPUT
=> (Nd (Atom.atom "INPUT", [Lf (Tok.STARTINPUT STARTINPUT)]))
;
ins : STARTINS flow* ENDINS
=> (Nd (Atom.atom "INS",
(Lf (Tok.STARTINS STARTINS)) ::
(flow @ [Lf (Tok.ENDINS)])))
;
isindex : STARTISINDEX
=> (Nd (Atom.atom "ISINDEX", [Lf (Tok.STARTISINDEX STARTISINDEX)]))
;
kbd : STARTKBD inline* ENDKBD
=> (Nd (Atom.atom "KBD",
(Lf (Tok.STARTKBD STARTKBD)) ::
(inline @ [Lf (Tok.ENDKBD)])))
;
label : STARTLABEL inline* ENDLABEL
=> (Nd (Atom.atom "LABEL",
(Lf (Tok.STARTLABEL STARTLABEL)) ::
(inline @ [Lf (Tok.ENDLABEL)])))
;
legend : STARTLEGEND inline* ENDLEGEND
=> (Nd (Atom.atom "LEGEND",
(Lf (Tok.STARTLEGEND STARTLEGEND)) ::
(inline @ [Lf (Tok.ENDLEGEND)])))
;
li : STARTLI flow* (ENDLI => (Lf (Tok.ENDLI)))?
=> (Nd (Atom.atom "LI",
(Lf (Tok.STARTLI STARTLI)) :: (flow @ (optToList SR))))
;
map : STARTMAP (cdata | block | area)+ ENDMAP
=> (Nd (Atom.atom "MAP",
(Lf (Tok.STARTMAP STARTMAP)) :: (SR @ [Lf (Tok.ENDMAP)])))
;
menu : STARTMENU cdata_opt li+ ENDMENU
=> (Nd (Atom.atom "MENU",
(Lf (Tok.STARTMENU STARTMENU)) ::
(cdata_opt @ li @ [Lf (Tok.ENDMENU)])))
;
noframes : STARTNOFRAMES body ENDNOFRAMES
=> (Nd (Atom.atom "NOFRAMES",
[Lf (Tok.STARTNOFRAMES STARTNOFRAMES), body,
Lf (Tok.ENDNOFRAMES)]))
;
noscript : STARTNOSCRIPT (cdata | block)+ ENDNOSCRIPT
=> (Nd (Atom.atom "NOSCRIPT",
(Lf (Tok.STARTNOSCRIPT STARTNOSCRIPT)) ::
(SR @ [Lf (Tok.ENDNOSCRIPT)])))
;
ol : STARTOL cdata_opt li+ ENDOL
=> (Nd (Atom.atom "OL",
(Lf (Tok.STARTOL STARTOL)) ::
(cdata_opt @ li @ [Lf (Tok.ENDOL)])))
;
optgroup : STARTOPTGROUP cdata_opt option+ ENDOPTGROUP cdata_opt
=> (Nd (Atom.atom "OPTGROUP",
(Lf (Tok.STARTOPTGROUP STARTOPTGROUP)) ::
(cdata_opt1 @ option @ ((Lf (Tok.ENDOPTGROUP))
:: cdata_opt2))))
;
option : STARTOPTION cdata_opt
(ENDOPTION cdata_opt => ((Lf (Tok.ENDOPTION)) ::
cdata_opt))?
=> (Nd (Atom.atom "OPTION",
(Lf (Tok.STARTOPTION STARTOPTION)) ::
(cdata_opt @ (optListToList SR))))
;
(* TODO: Making the ENDP optional, which is valid, causes
left-recursion for the inline* part. This can be fixed by having a
two state flow nonterminal, which the older HTML library does. *)
p : STARTP inline* ENDP
=> (Nd (Atom.atom "P",
(Lf (Tok.STARTP STARTP)) :: (inline @ [Lf (Tok.ENDP)])))
;
pre : STARTPRE inline* ENDPRE
=> (Nd (Atom.atom "PRE",
(Lf (Tok.STARTPRE STARTPRE)) ::
(inline @ [Lf (Tok.ENDPRE)])))
;
q : STARTQ inline* ENDQ
=> (Nd (Atom.atom "Q",
(Lf (Tok.STARTQ STARTQ)) :: (inline @ [Lf (Tok.ENDQ)])))
;
s : STARTS inline* ENDS
=> (Nd (Atom.atom "S",
(Lf (Tok.STARTS STARTS)) :: (inline @ [Lf (Tok.ENDS)])))
;
samp : STARTSAMP inline* ENDSAMP
=> (Nd (Atom.atom "SAMP",
(Lf (Tok.STARTSAMP STARTSAMP)) ::
(inline @ [Lf (Tok.ENDSAMP)])))
;
select : STARTSELECT cdata_opt (optgroup | option)+ ENDSELECT
=> (Nd (Atom.atom "SELECT",
(Lf (Tok.STARTSELECT STARTSELECT)) ::
(cdata_opt @ SR @ [Lf (Tok.ENDSELECT)])))
;
small : STARTSMALL inline* ENDSMALL
=> (Nd (Atom.atom "SMALL",
(Lf (Tok.STARTSMALL STARTSMALL)) ::
(inline @ [Lf (Tok.ENDSMALL)])))
;
span : STARTSPAN inline* ENDSPAN
=> (Nd (Atom.atom "SPAN",
(Lf (Tok.STARTSPAN STARTSPAN)) ::
(inline @ [Lf (Tok.ENDSPAN)])))
;
strike : STARTSTRIKE inline* ENDSTRIKE
=> (Nd (Atom.atom "STRIKE",
(Lf (Tok.STARTSTRIKE STARTSTRIKE)) ::
(inline @ [Lf (Tok.ENDSTRIKE)])))
;
strong : STARTSTRONG inline* ENDSTRONG
=> (Nd (Atom.atom "STRONG",
(Lf (Tok.STARTSTRONG STARTSTRONG)) ::
(inline @ [Lf (Tok.ENDSTRONG)])))
;
sub : STARTSUB inline* ENDSUB
=> (Nd (Atom.atom "SUB",
(Lf (Tok.STARTSUB STARTSUB)) ::
(inline @ [Lf (Tok.ENDSUB)])))
;
sup : STARTSUP inline* ENDSUP
=> (Nd (Atom.atom "SUP",
(Lf (Tok.STARTSUP STARTSUP)) ::
(inline @ [Lf (Tok.ENDSUP)])))
;
(* My reading of the HTML DTD indicates the following order of
elements is enforceable: *)
table : STARTTABLE cdata_opt
(caption cdata_opt => (caption :: cdata_opt))?
col_or_colgroups table_content ENDTABLE
=> (Nd (Atom.atom "TABLE",
(Lf (Tok.STARTTABLE STARTTABLE)) ::
(cdata_opt @ (optListToList SR) @ col_or_colgroups @
table_content @ [Lf (Tok.ENDTABLE)])))
;
(* The whole tr+ thing makes the original table production ambiguous:
STARTTABLE ... thead? tfoot? tbody+ ENDTABLE *)
table_content
: thead tfoot? tbodies
=> (thead :: ((optToList tfoot)) @ tbodies)
| tfoot tbodies
=> (tfoot :: tbodies)
| tbodies_nostart
;
col_or_colgroups : (* empty *)
=> ([])
| (col cdata_opt => (col :: cdata_opt))+
=> (foldr op@ [] SR)
| colgroup+
;
tbodies_nostart : (STARTTBODY cdata_opt =>
((Lf (Tok.STARTTBODY STARTTBODY)) :: cdata_opt))?
tr+ tbodies_rest?
=> (let val (tbody_rest, tbody_peers) =
case tbodies_rest of
NONE => ([], [])
| SOME tbodies_tup => tbodies_tup
in (Nd (Atom.atom "TBODIES_NOSTART",
(optListToList SR) @ tr @ tbody_rest)) ::
tbody_peers end)
;
tbodies : STARTTBODY cdata_opt tr+ tbodies_rest
=> (let val (tbody_rest, tbody_peers) = tbodies_rest
in (Nd (Atom.atom "TBODIES",
(Lf (Tok.STARTTBODY STARTTBODY)) ::
(cdata_opt @ tr @ tbody_rest))) ::
tbody_peers end)
;
tbodies_rest : ENDTBODY cdata_opt tbodies?
=> ((Lf (Tok.ENDTBODY)) :: cdata_opt,
optListToList tbodies)
| STARTTBODY cdata_opt tr+ tbodies_rest?
=> (let val (tbody_rest, tbody_peers) =
case tbodies_rest of NONE => ([], [])
| SOME tbodies_tup => tbodies_tup
in ([], (Nd (Atom.atom "TBODIES_REST",
(Lf (Tok.STARTTBODY STARTTBODY)) ::
(cdata_opt @ tr @ tbody_rest))) :: tbody_peers)
end)
;
td : STARTTD flow* (ENDTD cdata_opt => ((Lf (Tok.ENDTD)) :: cdata_opt))?
=> (Nd (Atom.atom "TD",
(Lf (Tok.STARTTD STARTTD)) :: (flow @ (optListToList SR))))
;
textarea : STARTTEXTAREA cdata_opt ENDTEXTAREA
=> (Nd (Atom.atom "TEXTAREA",
(Lf (Tok.STARTTEXTAREA STARTTEXTAREA)) ::
(cdata_opt @ [Lf (Tok.ENDTEXTAREA)])))
;
tfoot : STARTTFOOT cdata_opt tr+
(ENDTFOOT cdata_opt => ((Lf (Tok.ENDTFOOT)) :: cdata_opt))?
=> (Nd (Atom.atom "TFOOT",
(Lf (Tok.STARTTFOOT STARTTFOOT)) :: (cdata_opt @ tr @
(optListToList SR))))
;
th : STARTTH flow* (ENDTH cdata_opt => ((Lf (Tok.ENDTH)) :: cdata_opt))?
=> (Nd (Atom.atom "TH",
(Lf (Tok.STARTTH STARTTH)) :: (flow @ (optListToList SR))))
;
thead : STARTTHEAD cdata_opt tr+
(ENDTHEAD cdata_opt => ((Lf (Tok.ENDTHEAD)) :: cdata_opt))?
=> (Nd (Atom.atom "THEAD",
(Lf (Tok.STARTTHEAD STARTTHEAD)) :: (cdata_opt @ tr @
(optListToList SR))))
;
tr : STARTTR cdata_opt (th | td)+
(ENDTR cdata_opt => ((Lf (Tok.ENDTR)) :: cdata_opt))?
=> (Nd (Atom.atom "TR",
(Lf (Tok.STARTTR STARTTR)) :: (cdata_opt @ SR1 @
(optListToList SR2))))
;
tt : STARTTT inline* ENDTT
=> (Nd (Atom.atom "TT",
(Lf (Tok.STARTTT STARTTT)) :: (inline @ [Lf (Tok.ENDTT)])))
;
u : STARTU inline* ENDU
=> (Nd (Atom.atom "U",
(Lf (Tok.STARTU STARTU)) :: (inline @ [Lf (Tok.ENDU)])))
;
ul : STARTUL cdata_opt li+ ENDUL
=> (Nd (Atom.atom "UL",
((Lf (Tok.STARTUL STARTUL)) :: (cdata_opt @ li @
[Lf (Tok.ENDUL)]))))
;
var : STARTVAR inline* ENDVAR
=> (Nd (Atom.atom "VAR",
(Lf (Tok.STARTVAR STARTVAR)) :: (inline @
[Lf (Tok.ENDVAR)])))
;
(* ______________________________________________________________________
Miscellaneous data nonterminals
______________________________________________________________________ *)
cdata : (PCDATA => (Tok.PCDATA PCDATA)
| CHAR_REF => (Tok.CHAR_REF CHAR_REF)
| ENTITY_REF => (Tok.ENTITY_REF ENTITY_REF)
| COMMENT => (Tok.COMMENT COMMENT))
=> ((Lf SR) : HTML4Tokens.token parsetree)
;
cdata_opt : cdata* => (cdata : HTML4Tokens.token parsetree list)
;
(* ______________________________________________________________________
End of html4.g
______________________________________________________________________ *)
|
