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urbit/lib/down-jet/rend.hoon

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:: ++down rendering arms
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!:
::::
::
|%
++ into-inner
|= [a=marl b=manx]
?~ c.b b(c a)
$(b i.c.b)
::
++ flat
|= a=marl
^- tape
?~ a ~
%- weld :_ $(a t.a)
^- tape
?~ n.g.i.a
?>(?=(_:/(**) i.a) v.i.a.g.i.a)
?+ n.g.i.a $(a c.i.a)
%img
%- zing ^- wall
%+ murn a.g.i.a |= [a=mane b=tape]
^- (unit tape)
?+ a ~
%alt [~ b]
==
==
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++ sanitize
|= a=marl ^- tape
=- (zing `wall`(scan (flat a) fel))
=< fel=;~(sfix (star ;~(plug (cold '-' -) (plus +))) (star next))
[(star ;~(less aln prn)) ;~(pose nud low (cook |=(a=@ (add a ' ')) hig))]
::
++ sang :: tight item children
|= a=(list elem)
^- marl
?~ a ~
%- weld :_ $(a t.a)
?. ?=(%para -.i.a)
(sing i.a ~)
(sung p.i.a)
::
++ sing :: elem to manx
=> |%
++ first-word
|= a=tape
=. a (trip (crip a)) :: XX valid tapes
^- (unit tape)
=. a q.q:(need q:((star ace) [1 1] a))
=+ vex=((plus ;~(less ace prn)) [1 1] a)
?~ q.vex ~
(some (wonk vex))
--
=+ [tig=| had=*(unit mane)]
|= lum=(list elem)
|^ ^- marl
=+ a=apex
?~ q.a
p.a
(weld p.a $(lum q.a))
::
++ apex
^- [p=marl q=_lum]
?~ lum
?~ had [~ ~]
(lose "unclosed {<u.had>}")
=> [ele=i.lum .(lum t.lum)]
?. ?=(%html -.ele)
(push (reso ele) ~)
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:: begin reparsing of html that the spec jankily lets through ::
=+ tex=(trip (role p.ele))
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=^ mar lum (chomp tex (sear |=(a=marl ?~(a ~ (some a))) many:poxa))
?^ mar
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(push u.mar)
=^ hed lum (chomp tex head:poxa)
?^ hed
=+ max=`marx`u.hed
(push(lum q) [max p] ~):[apex(had `n.max) .]
=^ tal lum (chomp tex tail:poxa)
?~ tal
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=^ cha lum (chomp tex prn)
?^ cha
(push :/([u.cha]~) ~)
(push ;lost:"{tex}" ~)
?: =(had tal)
[~ lum]
?^ had
=. lum [ele lum]
(lose "unclosed {<u.had>}")
(lose "close {<u.tal>}")
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:: end reparsing of html that the spec jankily lets through ::
::
++ lose |=(a=tape [[;lost:"{a}"]~ lum])
++ chomp
|* [tap=tape fel=_rule]
^- [(unit ,_(wonk *fel)) _lum]
=+ vex=(fel 1^1 tap)
?~ q.vex [~ lum]
:- [~ (wonk vex)]
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?~(q.q.u.q.vex lum [[%html (lore (crip q.q.u.q.vex))] lum])
::
++ push
|= a=marl
^+ apex
?~ a apex
[[b p] q]:[b=i.a (push t.a)]
::
++ reso
|= a=elem
?^ -.a
=. tig ?.(?=(%list -.p.a) tig p.p.a)
?: &(tig ?=(%item -.p.a))
[/li (sang q.a)]
%+ into-inner ^$(lum q.a)
?- -.p.a
%bloq ;blockquote;
%item ;li;
%list ?@ q.p.a ;ul;
?: =(1 p.q.p.a) ;ol;
=+ num=(pojo (jone p.q.p.a))
;ol(start num);
==
?- -.a :: :/("unimplemented {<p.a>}")
%html !! :: handled earlier XX do type stuff
%para [/p (sung p.a)]
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%head
=+ [hed=(add %h0 (lsh 3 1 p.a)) kid=(sung q.a)]
[[hed id/(sanitize kid) ~] kid]
::
%hrul ;hr;
%meta ?: =(~ p.a) :/(~)
=+ jon=`json`o/(~(run by p.a) |=(cord s/+<))
;meta(value "{(pojo jon)}", name "frontmatter", urb_front "");
:: %html
::=+ tex=(role (turn p.a crip))
::=+ (poxa tex)
::?^ - u.-
::=+ (rush tex (star ;~(pose gah comt:poxa)))
::?^ - :/(~)
::;lost: {<p.a>}
:: :/([(role (turn p.a crip))]~) :: XX haaaaaaack
%defn :/(~)
%code =+ lan=?~(p.a ~ (first-word r.u.p.a))
=+ tex=(trip (role q.a))
?~ lan ;pre:code:"{tex}"
;pre:code(class "language-{u.lan}"):"{tex}"
==
--
::
++ sung
|= lim=kids
=+ had=*(unit mane)
|^ ^- marl
=+ a=apex
?~ q.a
p.a
(weld p.a $(lim q.a))
::
++ apex
^- [p=marl q=_lim]
?~ lim
?~ had [~ ~]
(lose "unclosed {<u.had>}")
=> [ele=i.lim .(lim t.lim)]
?. ?=(%htmt -.ele)
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?: &(?=(%$ -.ele) ?=([[%$ *] *] lim))
apex(p.i.lim (weld p.ele p.i.lim))
(push (reso ele) ~)
=+ tex=(trip p.ele)
=^ emo lim (chomp tex empt:poxa)
?^ emo
=+ man=`manx`u.emo
(push man ~)
=^ hed lim (chomp tex head:poxa)
?^ hed
=+ max=`marx`u.hed
(push(lim q) [max p] ~):[apex(had `n.max) .]
=^ tal lim (chomp tex tail:poxa)
?~ tal
(push ;lost:"{tex}" ~)
?: =(had tal)
[~ lim]
?^ had
=. lim [ele lim]
(lose "unclosed {<u.had>}")
(lose "unopened {<u.tal>}")
::
++ lose |=(a=tape [[;lost:"{a}"]~ lim])
++ chomp
|* [tap=tape fel=_rule]
^- [(unit ,_(wonk *fel)) _lim]
=+ vex=(fel 1^1 tap)
?~ q.vex [~ lim]
:- [~ (wonk vex)]
?~(q.q.u.q.vex lim [[%htmt (crip q.q.u.q.vex)] lim])
::
++ push
|= a=marl
^+ apex
?~ a apex
[[b p] q]:[b=i.a (push t.a)]
::
++ urly
|= a=tape ^- tape
?~ a ~
:: ?: (gth i.a 0xff) "XX" :: XX
?: ?| [?=(^ q)]:(alp 1^1 a)
(~(has in (sa "!*'();:@&=+$,/?#%.~_")) i.a) :: XX reparse
==
[i.a $(a t.a)]
(weld (urle (trip i.a)) $(a t.a))
::
++ reso
|= b=inline
^- manx
?@ -.b
?- -.b
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%$ :/(p.b)
%line ;br;
%code ;code:"{p.b}"
%htmt !! ::p.b :: handled earlier :: XX do type stuff
==
?: ?=(%blot -.p.b)
=+ res=`manx`;img(src (urly p.p.b), alt (flat (turn q.b ..$)));
:: ;img@"{p.p.b}";
?~ q.p.b res
res(a.g (welp a.g.res title/u.q.p.b ~))
=+ kid=(sung q.b)
%+ into-inner kid
?- p.b
[%emph ?] ?.(p.p.b ;em; ;strong;)
[%delt ~] ;del;
[%link ^] =+ url=(urly p.p.b)
=. url ?^(url url "#{(sanitize kid)}")
?~ q.p.b ;a/"{url}";
;a/"{url}"(title u.q.p.b);
==
--
--