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apps: Add WIP chat-cli

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:: chat-cli: cli chat client using chat-store and friends
::
:: pulls all known messages into a single stream.
:: type ;help for usage instructions.
::
::NOTE the code is a mess. heavily wip!
::
/- sole-sur=sole, *chat-store, *chat-view, *chat-hook
/+ sole-lib=sole
::
|%
+$ state
$: grams=(list mail)
known=(set [path serial])
count=@ud :: (lent grams)
:: ui state ::
nicks=(map ship @t) ::TODO contacts
bound=(map (set target) char) :: bound circle glyphs
binds=(jug char (set target)) :: circle glyph lookup
latest=@ud :: latest shown msg num
audience=(set target) :: active targets
settings=(set term) :: frontend flags
width=@ud :: display width
timez=(pair ? @ud) :: timezone adjustment
cli=[=bone state=sole-share:sole-sur] :: console id & state
==
::
+$ mail [source=path envelope]
+$ target [=ship =path]
::
++ command
$% [%say (list letter)] :: send message
[%eval cord hoon] :: send #-message
::
[%create =path =(unit char)]
[%join targets=(set target)]
[%leave targets=(set target)]
::
[%target to=(set target)]
::
[%help ~] :: print usage info
== ::
::
+$ move [bone card]
+$ card
$% [%diff %sole-effect sole-effect:sole-sur]
[%poke wire dock out-action]
[%peer wire dock path]
==
::
+$ out-action
$% [%chat-action chat-action]
[%chat-view-action chat-view-action]
[%chat-hook-action chat-hook-action]
==
::
::TODO why is this not in /sur/chat-store
+$ in-diff
$% [%chat-initial inbox]
[%chat-configs chat-configs]
[%chat-update chat-update]
==
--
::
|_ [=bowl:gall state]
::
++ prep
|= old=(unit state)
~& %chat-cli-prep
?^ old [~ this(+<+ u.old)]
=. audience [[our.bowl /inbox] ~ ~]
=. settings (sy %showtime %notify ~)
=. width 80
:_ this
::TODO %peer /all
~
::
++ this .
::
++ true-self
|= who=ship
^- ship
?. ?=(%earl (clan:title who)) who
::TODO but they're moons... isn't ^sein sufficient?
(sein:title our.bowl now.bowl who)
::
++ our-self (true-self our.bowl)
::
++ diff-chat-initial
|= [=wire =inbox]
^- (quip move _this)
=| moves=(list move)
|- ^- (quip move _this)
?~ inbox [~ this]
=^ mon this (read-envelopes [p envelopes.q]:n.inbox)
=^ mol this $(inbox l.inbox)
=^ mor this $(inbox r.inbox)
[:(weld mon mol mor) this]
::
++ read-envelopes
|= [=path envs=(list envelope)]
^- (quip move _this)
?~ envs [~ this]
=^ moi this (read-envelope path i.envs)
=^ mot this $(envs t.envs)
[(weld moi mot) this]
::
++ diff-chat-update
|= [=wire upd=chat-update]
^- (quip move _this)
?+ -.upd [~ this]
%message (read-envelope +.upd)
==
::
++ read-envelope
|= [=path =envelope]
^- (quip move _this)
?: (~(has in known) [path uid.envelope])
::NOTE we no-op only because edits aren't possible
[~ this]
:- (print-envelope:sh path envelope)
%_ this
known (~(put in known) [path uid.envelope])
grams [[path envelope] grams]
count +(count)
==
::
++ peer
|= =path
^- (quip move _this)
?. =(src.bowl our.bowl)
~| [%peer-talk-stranger src.bowl]
!!
?. ?=([%sole *] path)
~| [%peer-talk-strange path]
!!
=. bone.cli ost.bowl
:: display a fresh prompt
:- [prompt:sh ~]
:: start with fresh sole state
this(state.cli *sole-share:sole-sur)
::
++ poke-sole-action
|= act=sole-action:sole-sur
^- (quip move _this)
?. =(bone.cli ost.bowl)
~|(%strange-sole !!)
(sole:sh act)
::
++ sh
|%
++ effect
:: console effect move
::
|= fec=sole-effect:sole-sur
^- move
[bone.cli %diff %sole-effect fec]
::
++ note
:: shell message
::
:: left-pads {txt} with heps and prints it.
::
|= txt=tape
^- move
=+ lis=(simple-wrap txt (sub width 16))
%+ effect %mor
=+ ?:((gth (lent lis) 0) (snag 0 lis) "")
:- txt+(runt [14 '-'] '|' ' ' -)
%+ turn (slag 1 lis)
|=(a=tape txt+(runt [14 ' '] '|' ' ' a))
::
++ prompt
:: show prompt
::
:: makes and stores a move to modify the cli
:: prompt to display the current audience.
::
^- move
%+ effect %pro
:+ & %talk-line
^- tape
=+ cha=(~(get by bound) audience)
?^ cha ~[u.cha ' ']
=+ por=~(ar-prom ar audience)
(weld `tape`['[' por] `tape`[']' ' ' ~])
::
++ sole
:: applies sole action.
::
|= act=sole-action:sole-sur
^- (quip move _this)
?- -.act
$det (edit +.act)
$clr [~ this] :: (sh-pact ~) ::TODO clear to PM-to-self?
$ret obey
==
::
++ edit
:: apply sole edit
::
:: called when typing into the cli prompt.
:: applies the change and does sanitizing.
::
|= cal=sole-change:sole-sur
^- (quip move _this)
=^ inv state.cli (~(transceive sole-lib state.cli) cal)
=+ fix=(sanity inv buf.state.cli)
?~ lit.fix
[~ this]
:: just capital correction
?~ err.fix
(slug fix)
:: allow interior edits and deletes
?. &(?=($del -.inv) =(+(p.inv) (lent buf.state.cli)))
[~ this]
(slug fix)
::
++ read
:: command parser
::
:: parses the command line buffer. produces work
:: items which can be executed by ++sh-work.
::
=< work
:: # %parsers
:: various parsers for command line input.
|%
++ expr
:: [cord hoon]
|= tub/nail %. tub
%+ stag (crip q.tub)
wide:(vang & [&1:% &2:% (scot %da now.bowl) |3:%])
::
++ dare
:: @dr
%+ sear
|= a/coin
?. ?=({$$ $dr @} a) ~
(some `@dr`+>.a)
nuck:so
::
++ ship ;~(pfix sig fed:ag) :: ship
++ shiz :: ship set
%+ cook
|=(a/(list ^ship) (~(gas in *(set ^ship)) a))
(most ;~(plug com (star ace)) ship)
::
::TODO stolen from stdlib stab, add to stdlib
++ path
;~(pfix net (more net urs:ab))
::
++ tarl :: local target
;~(pfix cen (stag our-self path))
::
++ targ :: target
;~ pose
(cold [our-self /] col)
;~(pfix ket (stag (^sein:title our-self) path))
tarl
;~(plug ship path)
==
::
++ targets-flat :: collapse mixed list
|= a=(list (each target (set target)))
^- (set target)
?~ a ~
?- -.i.a
%& (~(put in $(a t.a)) p.i.a)
%| (~(uni in $(a t.a)) p.i.a)
==
::
++ tars :: non-empty circles
%+ cook targets-flat
%+ most ;~(plug com (star ace))
(^pick targ (sear glyf glyph))
::
++ drat
:: @da or @dr
::
:: pas: whether @dr's are in the past or not.
|= pas/?
=- ;~(pfix sig (sear - crub:so))
|= a/^dime
^- (unit @da)
?+ p.a ~
$da `q.a
$dr :- ~
%. [now.bowl q.a]
?:(pas sub add)
==
::
++ tarz :: non-empty sources
%+ cook ~(gas in *(set target))
(most ;~(plug com (star ace)) targ)
::
++ pick :: message reference
;~(pose nump (cook lent (star mic)))
::
++ nump :: number reference
;~ pose
;~(pfix hep dem:ag)
;~ plug
(cook lent (plus (just '0')))
;~(pose dem:ag (easy 0))
==
(stag 0 dem:ag)
==
::
++ lobe :: y/n loob
;~ pose
(cold %& ;~(pose (jest 'y') (jest '&') (just 'true')))
(cold %| ;~(pose (jest 'n') (jest '|') (just 'false')))
==
::
++ message :: exp, lin or url msg
;~ pose
;~(plug (cold %eval hax) expr)
(stag %say letters)
==
::
++ letters :: lin or url msgs
%+ most (jest '•')
;~ pose
::TODO (stag %url aurf:de-purl:html)
:(stag %text ;~(less mic hax text))
==
::
++ text :: msg without break
%+ cook crip
(plus ;~(less (jest '•') next))
::
++ nick (cook crip (plus next)) :: nickname
++ glyph (mask "!@#$%^&()-=_+[]\{}'\\:\"|,./<>?") :: circle postfix
++ setting :: setting flag
%- perk :~
%nicks
%quiet
%notify
%showtime
==
++ tag |*(a=@tas (cold a (jest a))) ::TODO into stdlib
++ work :: full input
%+ knee *command |. ~+
=- ;~(pose ;~(pfix mic -) message)
;~ pose
::
;~((glue ace) (tag %create) ;~(plug path (punt ;~(pfix ace glyph))))
::
;~((glue ace) (tag %join) tars)
;~((glue ace) (tag %leave) tars)
::
(stag %target tars)
::
;~(plug (tag %help) (easy ~))
::
==
--
::
++ obey
:: apply result
::
:: called upon hitting return in the prompt. if
:: input is invalid, ++sh-slug is called.
:: otherwise, the appropriate work is done and
:: the entered command (if any) gets displayed
:: to the user.
::
^- (quip move _this)
=+ buf=buf.state.cli
=+ fix=(sanity [%nop ~] buf)
?^ lit.fix
(slug fix)
=+ jub=(rust (tufa buf) read)
?~ jub [[(effect %bel ~) ~] this]
=^ cal state.cli (~(transmit sole-lib state.cli) [%set ~])
=^ moves this (work u.jub)
:_ this
%+ weld
^- (list move)
:: echo commands into scrollback
?. =(`0 (find ";" buf)) ~
[(note (tufa `(list @)`buf)) ~]
:_ moves
%+ effect %mor
:~ [%nex ~]
[%det cal]
==
::
++ work
:: do work
::
:: implements worker arms for different talk
:: commands.
:: worker arms must produce updated state.
::
|= job=command
^- (quip move _this)
|^ ?+ -.job ~|([%unimplemented -.job] !!)
:: %join (join +.job)
:: %leave (leave +.job)
%create (create +.job)
::
%say (say +.job)
:: %eval (eval +.job)
::
%target (set-target +.job)
::
%help help
==
::
++ act
|= [what=term app=term =out-action]
^- move
:* ost.bowl
%poke
/cli-command/[what]
[our.bowl app]
out-action
==
::
++ set-glyph
:: new glyph binding
::
:: applies glyph binding to our state.
::
|= [cha=char aud=(set target)]
%_ this
bound (~(put by bound) aud cha)
binds (~(put ju binds) cha aud)
==
::TODO should send these to settings store eventually
::
++ unset-glyph
:: remove old glyph binding
::
:: removes either {aud} or all bindings on a
:: glyph.
::
|= [cha=char aud=(unit (set target))]
^+ this
=/ ole=(set (set target))
?^ aud [u.aud ~ ~]
(~(get ju binds) cha)
|- ^+ this
?~ ole this
=. this $(ole l.ole)
=. this $(ole r.ole)
%_ this
bound (~(del by bound) n.ole)
binds (~(del ju binds) cha n.ole)
==
::TODO should send these to settings store eventually
::
++ create
::TODO configurable security
|= [=path gyf=(unit char)]
^- (quip move _this)
::TODO check if already exists
=/ =target [our.bowl path]
=. audience [target ~ ~]
=? this ?=(^ gyf)
(set-glyph u.gyf audience)
:_ this
:_ ~
%^ act %do-create %chat-view
:- %chat-view-action
[%create path %channel ~ ~]
::
++ say
|= letters=(list letter)
^- (quip move _this)
=/ =serial (shaf %msg-uid eny.bowl)
:_ this(eny.bowl (shax eny.bowl))
^- (list move)
::TODO wait, so, is host irrelevant in target? only for joins?
%+ turn ~(tap in audience)
|= =target
%^ act %out-message %chat-hook
:- %chat-action
:+ %message path.target
:* serial
*@
our.bowl
now.bowl
(snag 0 letters) ::TODO support multiple
==
::
++ set-target
|= tars=(set target)
^- (quip move _this)
=. audience tars
[[prompt ~] this]
::
++ help
^- (quip move _this)
:_ this
:~ (effect %txt "see https://urbit.org/docs/using/messaging/")
::TODO tmp
`move`[ost.bowl %peer /chat-store [our.bowl %chat-store] /all]
==
--
::
++ sanity
:: check input sanity
::
:: parses cli prompt input using ++read and
:: describes error correction when invalid.
::
|= [inv=sole-edit:sole-sur buf=(list @c)]
^- [lit=(list sole-edit:sole-sur) err=(unit @u)]
=+ res=(rose (tufa buf) read)
?: ?=(%& -.res) [~ ~]
[[inv]~ `p.res]
::
++ slug
:: apply error correction to prompt input
::
|= [lit=(list sole-edit:sole-sur) err=(unit @u)]
^- (quip move _this)
?~ lit [~ this]
=^ lic state.cli
%- ~(transmit sole-lib state.cli)
^- sole-edit:sole-sur
?~(t.lit i.lit [%mor lit])
:_ this
:_ ~
%+ effect %mor
:- [%det lic]
?~(err ~ [%err u.err]~)
::
++ glyf
:: decode glyph
::
:: finds the circle(s) that match a glyph.
::
|= cha=char
^- (unit (set target))
=+ lax=(~(get ju binds) cha)
:: no circle.
?: =(~ lax) ~
:: single circle.
?: ?=({* ~ ~} lax) `n.lax
:: in case of multiple audiences, pick the most recently active one.
|- ^- (unit (set target))
?~ grams ~
~
::TODO
:: :: get first circle from a telegram's audience.
:: =+ pan=(silt ~(tap in aud.i.grams))
:: ?: (~(has in lax) pan) `pan
:: $(grams t.grams)
::
++ print-envelope
|= [=path =envelope]
^- (list move)
%+ weld
^- (list move)
?. =(0 (mod count 5)) ~
:_ ~
=+ num=(scow %ud count)
%+ effect %txt
(runt [(sub 13 (lent num)) '-'] "[{num}]")
::TODO %notify logic? or do elsewhere? just check the %text msgs
=+ lis=~(render tr settings path envelope)
?~ lis ~
:_ ~
%+ effect %mor
%+ turn `(list tape)`lis
=+ nom=(scag 7 (cite:title our-self))
|= t=tape
?. ?& (~(has in settings) %notify)
?=(^ (find nom (slag 15 t)))
==
[%txt t]
[%mor [%txt t] [%bel ~] ~]
--
::
::
::TODO code style
++ ar
:: audience renderer
::
:: used for representing audiences (sets of circles)
:: as tapes.
::
|_ :: aud: members of the audience.
::
aud=(set target)
::
++ ar-best
:: find the most relevant circle in the set.
::
^- (unit target)
?~ aud ~
:- ~
|- ^- target
=+ lef=`(unit target)`ar-best(aud l.aud)
=+ rit=`(unit target)`ar-best(aud r.aud)
=? n.aud ?=(^ lef) (~(cr-best cr n.aud) u.lef)
=? n.aud ?=(^ rit) (~(cr-best cr n.aud) u.rit)
n.aud
::
++ ar-deaf
:: remove ourselves from the audience.
::
^+ .
.(aud (~(del in aud) [our.bowl /]))
::
++ ar-maud
:: multiple audience
::
:: checks if there's multiple circles in the
:: audience via pattern matching.
::
^- ?
=. . ar-deaf
!?=($@(~ {* ~ ~}) aud)
::
++ ar-phat
:: render all circles, no glyphs.
::
^- tape
%- ~(rep in aud)
|= {c/target t/tape}
=? t ?=(^ t)
(weld t ", ")
(weld t ~(cr-phat cr c))
::
++ ar-prom
:: render all circles, ordered by relevance.
::
^- tape
=. . ar-deaf
=/ all
%+ sort `(list target)`~(tap in aud)
|= {a/target b/target}
(~(cr-beat cr a) b)
=+ fir=&
|- ^- tape
?~ all ~
;: welp
?:(fir "" " ")
(~(cr-show cr i.all) ~)
$(all t.all, fir |)
==
::
++ ar-whom
:: render sender as the most relevant circle.
::
(~(cr-show cr (need ar-best)) ~ ar-maud)
::
++ ar-dire
:: returns true if circle is a mailbox of ours.
::
|= cir=target ^- ?
?& =(ship.cir our-self)
::TODO permissions check
==
::
++ ar-glyf
:: audience glyph
::
:: get the glyph that corresponds to the audience.
:: for mailbox messages and complex audiences, use
:: reserved "glyphs".
::
^- tape
=+ cha=(~(get by bound) aud)
?^ cha ~[u.cha]
?. (lien ~(tap by aud) ar-dire)
"*"
?: ?=({^ ~ ~} aud)
":"
";"
--
::
++ cr
:: target renderer
::
:: used in both target and ship rendering.
::
|_ :: one: the target.
::
one=target
::
++ cr-beat
:: {one} more relevant?
::
:: returns true if one is better to show, false
:: otherwise. prioritizes: our > main > size.
::
|= two=target
^- ?
:: the target that's ours is better.
?: =(our-self ship.one)
?. =(our-self ship.two) &
?< =(path.one path.two)
:: if both targets are ours, the main story is better.
?: =(%inbox path.one) &
?: =(%inbox path.two) |
:: if neither are, pick the "larger" one.
(lth (lent path.one) (lent path.two))
:: if one isn't ours but two is, two is better.
?: =(our-self ship.two) |
?: =(ship.one ship.two)
:: if they're from the same ship, pick the "larger" one.
(lth (lent path.one) (lent path.two))
:: if they're from different ships, neither ours, pick hierarchically.
(lth (xeb ship.one) (xeb ship.two))
::
++ cr-best
:: returns the most relevant target.
::
|= two=target
?:((cr-beat two) one two)
::
++ cr-curt
:: prints a ship name in 14 characters.
::
:: left-pads with spaces. {mup} signifies
:: "are there other targets besides this one?"
::
|= mup=?
^- tape
=+ raw=(cite:title ship.one)
(runt [(sub 14 (lent raw)) ' '] raw)
::
++ cr-nick
:: get nick for ship, or shortname if no nick.
::
:: left-pads with spaces.
::
|= source=path
^- tape
=/ nic=(unit cord)
?: (~(has by nicks) ship.one)
(~(get by nicks) ship.one)
::TODO get their-set nick from presence
~
?~ nic (cr-curt |)
=+ raw=(scag 14 (trip u.nic))
=+ len=(sub 14 (lent raw))
(weld (reap len ' ') raw)
::
:: todo: figure out why enabling the doccord causes a nest fail, even when
:: attached to the arm instead of the product.
::
++ cr-phat ::: render accurately
::: prints a target fully, but still taking
::: "shortcuts" where possible:
::: ":" for local mailbox, "~ship" for foreign
::: mailbox, "%/channel" for local target,
::: "^/channel" for parent target.
::
^- tape
?: =(our-self ship.one)
?: =(/ path.one)
":"
['%' (spud path.one)]
=+ wun=(cite:title ship.one)
?: =(path.one %inbox)
wun
?: =(ship.one (^sein:title our-self))
['/' (spud path.one)]
:(welp wun "/" (spud path.one))
::
++ cr-full (cr-show ~) :: render full width
::
++ cr-show
:: renders a target as text.
::
:: moy: multiple targets in audience?
|= moy=(unit ?)
^- tape
:: render target (as glyph if we can).
?~ moy
=+ cha=(~(get by bound) one ~ ~)
=- ?~(cha - "{u.cha ~}")
~(cr-phat cr one)
(~(cr-curt cr one) u.moy)
--
::
++ tr
:: telegram renderer
::
:: responsible for converting telegrams and
:: everything relating to them to text to be
:: displayed in the cli.
::
|_ $: settings=(set term)
source=path
envelope
==
::
++ tr-fact
:: activate effect
::
:: produces sole-effect for printing message
:: details.
::
^- sole-effect:sole-sur
~[%mor [%tan tr-meta] tr-body]
::
++ render
:: renders a telegram
::
:: the first line will contain the author and
:: optional timestamp.
::
^- (list tape)
=/ wyd
%+ sub width :: termwidth,
%+ add 14 :: minus author,
?:((~(has in settings) %showtime) 10 0) :: minus timestamp.
=+ txs=(tr-text wyd)
?~ txs ~
:: render the author.
=/ nom=tape
?: (~(has in settings) %nicks)
(~(cr-nick cr [author /inbox]) source)
(~(cr-curt cr [author /inbox]) |)
:: regular indent.
=/ den=tape
(reap (lent nom) ' ')
:: timestamp, if desired.
=/ tam=tape
?. (~(has in settings) %showtime) ""
=. when
%. [when (mul q.timez ~h1)]
?:(p.timez add sub)
=+ dat=(yore when)
=/ t
|= a/@
%+ weld
?:((lth a 10) "0" ~)
(scow %ud a)
=/ time
;: weld
"~" (t h.t.dat)
"." (t m.t.dat)
"." (t s.t.dat)
==
%+ weld
(reap (sub +(wyd) (min wyd (lent (tuba i.txs)))) ' ')
time
%- flop
%+ roll `(list tape)`txs
|= [t=tape l=(list tape)]
?~ l [:(weld nom t tam) ~]
[(weld den t) l]
::
++ tr-meta
:: metadata
::
:: builds string that display metadata, including
:: message serial, timestamp, author and audience.
::
^- tang
=. when (sub when (mod when (div when ~s0..0001))) :: round
=+ hed=leaf+"{(scow %uv uid)} at {(scow %da when)}"
=/ src=tape (spud source)
[%rose [" " ~ ~] [hed >author< [%rose [", " "to " ~] [leaf+src]~] ~]]~
::
++ tr-body
:: message content
::
:: long-form display of message contents, specific
:: to each speech type.
::
|- ^- sole-effect:sole-sur
?- -.letter
%text
tan+~[leaf+"{(trip text.letter)}"]
::
%url
url+url.letter
::
%code
=/ texp=tape ['>' ' ' (trip expression.letter)]
:- %mor
|- ^- (list sole-effect:sole-sur)
?: =("" texp) [tan+output.letter ~]
=/ newl (find "\0a" texp)
?~ newl [txt+texp $(texp "")]
=+ (trim u.newl texp)
:- txt+(scag u.newl texp)
$(texp [' ' ' ' (slag +(u.newl) texp)])
==
::
++ tr-chow
:: truncate
::
:: truncates the {txt} to be of max {len}
:: characters. if it does truncate, indicates it
:: did so by appending _ or ….
::
|= [len=@u txt=tape]
^- tape
?: (gth len (lent txt)) txt
=. txt (scag len txt)
|-
?~ txt txt
?: =(' ' i.txt)
|-
:- '_'
?. ?=({$' ' *} t.txt)
t.txt
$(txt t.txt)
?~ t.txt "…"
[i.txt $(txt t.txt)]
::
++ tr-text
:: compact contents
::
:: renders just the most important data of the
:: message. if possible, these stay within a single
:: line.
::
:: pre: replace/append line prefix
::TODO this should probably be redone someday.
=| pre=(unit (pair ? tape))
|= wyd=@ud
^- (list tape)
?- -.letter
%code
=+ texp=(trip expression.letter)
=+ newline=(find "\0a" texp)
=? texp ?=(^ newline)
(weld (scag u.newline texp) " ...")
:- (tr-chow wyd '#' ' ' texp)
?~ output.letter ~
=- [' ' (tr-chow (dec wyd) ' ' -)]~
~(ram re (snag 0 `(list tank)`output.letter))
::
%url
:_ ~
=+ ful=(trip url.letter)
=+ pef=q:(fall pre [p=| q=""])
:: clean up prefix if needed.
=? pef =((scag 1 (flop pef)) " ")
(scag (dec (lent pef)) pef)
=. pef (weld "/" pef)
=. wyd (sub wyd +((lent pef))) :: account for prefix.
:: if the full url fits, just render it.
?: (gte wyd (lent ful)) :(weld pef " " ful)
:: if it doesn't, prefix with _ and render just (the tail of) the domain.
%+ weld (weld pef "_")
::TODO need kinda dangerous...
=+ hok=r.p:(need (de-purl:html url.letter))
=- (swag [a=(sub (max wyd (lent -)) wyd) b=wyd] -)
^- tape
=< ?: ?=(%& -.hok)
(reel p.hok .)
+:(scow %if p.hok)
|= [a=knot b=tape]
?~ b (trip a)
(welp b '.' (trip a))
::
%text
:: glyph prefix
=/ pef=tape
?: &(?=(^ pre) p.u.pre) q.u.pre
=- (weld - q:(fall pre [p=| q=" "]))
%~ ar-glyf ar
[[our.bowl source] ~ ~] ::TODO just single source path
=/ lis=(list tape)
%+ simple-wrap
`tape``(list @)`(tuba (trip text.letter))
(sub wyd (min (div wyd 2) (lent pef)))
=+ lef=(lent pef)
=+ ?:((gth (lent lis) 0) (snag 0 lis) "")
:- (weld pef -)
%+ turn (slag 1 lis)
|=(a=tape (runt [lef ' '] a))
==
--
::
++ simple-wrap
|= {txt/tape wyd/@ud}
^- (list tape)
?~ txt ~
=+ ^- {end/@ud nex/?}
?: (lte (lent txt) wyd) [(lent txt) &]
=+ ace=(find " " (flop (scag +(wyd) `tape`txt)))
?~ ace [wyd |]
[(sub wyd u.ace) &]
:- (tufa (scag end `(list @)`txt))
$(txt (slag ?:(nex +(end) end) `tape`txt))
--