urbit/pkg/arvo/lib/hood/drum.hoon

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/- *sole
/+ sole
|%
+$ state state-5
+$ any-state
$~ *state
$% state-5
state-4
state-3
state-2
==
+$ state-5 [%5 pith-5]
+$ state-4 [%4 pith-4]
+$ state-3 [%3 pith-3]
+$ state-2 [%2 pith-2]
::
+$ pith-5
$: bin=(map @ source) :: terminals
==
::
+$ pith-4
$: eel=(set gill:gall) :: connect to
bin=(map bone source-4) :: terminals
== ::
::
+$ source-4
$: edg=_80
off=@ud
kil=kill
inx=@ud
fug=(map gill:gall (unit target-4))
mir=(pair @ud stub)
==
::
+$ target-4
$: $= blt
%+ pair
(unit dill-belt-4)
(unit dill-belt-4)
ris=(unit search)
hit=history
pom=sole-prompt
inp=sole-command
==
::
+$ dill-belt-4
$% [%ctl p=@c]
[%met p=@c]
dill-belt:dill
==
::
++ pith-3 ::
$: eel=(set gill:gall) :: connect to
ray=(map dude:gall desk) ::
fur=(map dude:gall (unit *)) :: servers
bin=(map bone source-4) :: terminals
== ::
:: ::
++ pith-2 ::
$: eel=(set gill:gall) :: connect to
ray=(set well:gall) ::
fur=(map dude:gall (unit *)) :: servers
bin=(map bone source-4) :: terminals
== ::
:: ::
++ kill :: kill ring
$: pos=@ud :: ring position
num=@ud :: number of entries
max=_60 :: max entries
old=(list (list @c)) :: entries proper
== ::
++ source :: input device
$: edg=_80 :: terminal columns
off=@ud :: window offset
kil=kill :: kill buffer
inx=@ud :: ring index
eel=(set gill:gall) :: connect to
fug=(map gill:gall (unit target)) :: connections
mir=(pair @ud stub) :: mirrored terminal
== ::
++ history :: past input
$: pos=@ud :: input position
num=@ud :: number of entries
lay=(map @ud (list @c)) :: editing overlay
old=(list (list @c)) :: entries proper
== ::
++ search :: reverse-i-search
$: pos=@ud :: search position
str=(list @c) :: search string
== ::
++ target :: application target
$: $= blt :: curr & prev belts
%+ pair
(unit dill-belt:dill)
(unit dill-belt:dill)
ris=(unit search) :: reverse-i-search
hit=history :: all past input
pom=sole-prompt :: static prompt
inp=sole-command :: input state
== ::
::
--
:: :: ::
:::: :: ::
:: :: ::
|%
++ en-gill :: gill to wire
|= [ses=@tas gyl=gill:gall]
^- wire
[%drum %phat (scot %p p.gyl) q.gyl ?:(=(%$ ses) ~ [ses ~])]
::
++ de-gill :: gill from wire
|= way=wire
^- [@tas gill:gall]
~| wire=way
?> ?=([@ @ ?(~ [@ ~])] way)
:- ?~(t.t.way %$ i.t.t.way)
[(slav %p i.way) i.t.way]
--
::
|= [hid=bowl:gall state]
=* sat +<+
=/ ses=@tas %$
=+ (~(gut by bin) ses *source)
=* dev -
=| moz=(list card:agent:gall)
=| biz=(list blit:dill) ::TODO should be per-session
|%
++ this .
++ klr klr:format
+$ state ^state :: proxy
+$ any-state ^any-state :: proxy
++ on-init (poke-link %$ our.hid %dojo)
::
++ prep
|= s=@tas
=. ses s
=. dev (~(gut by bin) ses *source)
this
::
++ open
%+ cork de-gill
|= [s=@tas g=gill:gall]
[g (prep s)]
::
++ diff-sole-effect-phat :: app event
|= [way=wire fec=sole-effect]
=< se-abet
=^ gyl this (open way)
?: (se-aint gyl) +>.$
(se-diff gyl fec)
::
++ peer ::
|= pax=path
=? this ?=([%dill @ ~] pax)
(prep i.t.pax)
~| [%drum-unauthorized our+our.hid src+src.hid] :: ourself
?> (team:title our.hid src.hid) :: or our own moon
=< se-abet
(se-text "[{<src.hid>}, driving {<our.hid>}]")
::
++ poke-dill
|= [ses=@tas bet=dill-belt:dill]
(poke-dill-belt:(prep ses) bet)
::
++ poke-dill-belt :: terminal event
|= bet=dill-belt:dill
=< se-abet
(se-belt bet)
::
++ poke-dill-blit :: terminal output
|= bit=dill-blit:dill
se-abet:(se-blit-sys bit)
::
++ poke-link :: connect app
|= [ses=@tas gyl=gill:gall]
=< se-abet
(se-link:(prep ses) gyl)
::
++ poke-unlink :: disconnect app
|= [ses=@ta gyl=gill:gall]
=< se-abet
(se-drop:(se-pull:(prep ses) gyl) & gyl)
::
++ poke-exit :: shutdown
|= ~
se-abet:(se-blit-sys `dill-blit:dill`[%qit ~])
::
++ poke-put :: write file
|= [pax=path arg=$@(@ [@tas @])]
=^ txt +> ?@(arg [arg +>] [+.arg (prep -.arg)])
se-abet:(se-blit-sys [%sav pax txt]) ::
::
++ poke
|= [=mark =vase]
?> =(our src):hid
?+ mark ~|([%poke-drum-bad-mark mark] !!)
%dill-poke =;(f (f !<(_+<.f vase)) poke-dill)
%drum-exit =;(f (f !<(_+<.f vase)) poke-exit)
%drum-link =;(f (f !<(_+<.f vase)) poke-link)
%drum-put =;(f (f !<(_+<.f vase)) poke-put)
%drum-unlink =;(f (f !<(_+<.f vase)) poke-unlink)
==
::
++ on-load
|= [hood-version=@ud old=any-state]
=< se-abet
=? old ?=(%2 -.old) [%4 [eel bin]:old]
=? old ?=(%3 -.old) [%4 [eel bin]:old]
=? old ?=(%4 -.old)
|^ 5+(~(run by bin.old) source-4-to-5)
++ source-4-to-5
|= source-4
^- source
=; fug [edg off kil inx eel.old fug mir]
(~(run by fug) |=(t=(unit target-4) (bind t target-4-to-5)))
::
++ target-4-to-5
|= t=target-4
^- target
:_ +.t
:- (bind p.blt.t belt-4-to-5)
(bind q.blt.t belt-4-to-5)
::
++ belt-4-to-5
|= b=dill-belt-4
^- dill-belt:dill
?. ?=(?(%ctl %met) -.b) b
[%mod -.b p.b]
--
::
?> ?=(%5 -.old)
=. sat old
=. dev (~(gut by bin) ses *source)
this
::
++ reap-phat :: ack connect
|= [way=wire saw=(unit tang)]
=< se-abet
=^ gyl this (open way)
?~ saw
(se-join gyl)
:: Don't print stack trace because we probably just crashed to
:: indicate we don't connect to the console.
::
(se-drop & gyl)
::
++ take-coup-phat :: ack poke
|= [way=wire saw=(unit tang)]
=< se-abet
?~ saw +>
=^ gyl this (open way)
?: (se-aint gyl) +>.$
%- se-dump:(se-drop:(se-pull gyl) & gyl)
:_ u.saw
>[%drum-coup-fail src.hid gyl]<
::
++ take-agent
|= [=wire =sign:agent:gall]
?+ wire ~|([%drum-bad-take-agent wire -.sign] !!)
[%phat *]
?- -.sign
%poke-ack (take-coup-phat t.wire p.sign)
%watch-ack (reap-phat t.wire p.sign)
%kick (quit-phat t.wire)
%fact
%+ diff-sole-effect-phat t.wire
?> ?=(%sole-effect p.cage.sign)
!<(sole-effect q.cage.sign)
==
==
::
++ quit-phat ::
|= way=wire
=< se-abet
=^ gyl this (open way)
~& [%drum-quit src.hid gyl]
(se-drop %| gyl)
:: :: ::
:::: :: ::
:: :: ::
++ se-abet :: resolve
^- (quip card:agent:gall state)
=. . se-view:se-subze:se-adze
:_ sat(bin (~(put by bin) ses dev))
^- (list card:agent:gall)
?~ biz (flop moz)
:_ (flop moz)
=/ =blit:dill ?~(t.biz i.biz [%mor (flop biz)])
::TODO remove /drum after dill cleans up
::TODO but once we remove it, the empty trailing segment of
:: /dill/[ses] would prevent outsiders from subscribing
:: to the default session...
=/ to=(list path) [/dill/[ses] ?~(ses ~[/drum] ~)]
[%give %fact to %dill-blit !>(blit)]
::
++ se-adze :: update connections
^+ .
%+ roll
%+ sort
~(tap in eel)
|= [[@ a=term] [@ b=term]]
?: =(a %dojo) %.n
?: =(b %dojo) %.y
(aor a b)
=< .(con +>)
|: $:,[gil=gill:gall con=_.] ^+ con
=. +>.$ con
?: (~(has by fug) gil)
+>.$
(se-peer gil)
::
++ se-subze :: downdate connections
=< .(dev (~(got by bin) ses))
=. bin (~(put by bin) ses dev)
^+ .
%- ~(rep by bin)
=< .(con +>)
|: $:,[[ses=@tas dev=source] con=_.] ^+ con
=+ xeno=se-subze-local:%_(con ses ses, dev dev)
xeno(ses ses.con, dev dev.con, bin (~(put by bin.xeno) ses dev.xeno))
::
++ se-subze-local
^+ .
%- ~(rep by fug)
=< .(con +>)
|: $:,[[gil=gill:gall *] con=_.] ^+ con
=. +>.$ con
?: (~(has in eel) gil)
+>.$
(se-nuke gil)
::
++ se-aint :: ignore result
|= gyl=gill:gall
^- ?
?. (~(has by bin) ses) &
=+ gyr=(~(get by fug) gyl)
|(?=(~ gyr) ?=(~ u.gyr))
::
++ se-alas :: recalculate index
|= gyl=gill:gall
=+ [xin=0 wag=se-amor]
|- ^+ +>.^$
?~ wag +>.^$(inx 0)
?: =(i.wag gyl) +>.^$(inx xin)
$(wag t.wag, xin +(xin))
::
++ se-amor :: live targets
^- (list gill:gall)
%+ skim ~(tap in eel)
|=(a=gill:gall ?=([~ ~ *] (~(get by fug) a)))
::
++ se-anon :: rotate index
=+ wag=se-amor
?~ wag +
:: ~& [%se-anon inx+inx wag+wag nex+(mod +(inx) (lent se-amor))]
+(off 0, inx (mod +(inx) (lent wag)))
::
++ se-agon :: current gill
^- (unit gill:gall)
=+ wag=se-amor
?~ wag ~
~| [inx=inx wag=wag fug=fug eel=eel]
`(snag inx `(list gill:gall)`wag)
::
++ se-belt :: handle input
|= bet=dill-belt:dill
^+ +>
?: ?=([?(%cru %hey %rez %yow) *] bet) :: target-agnostic
?- bet
[%cru *] (se-dump:(se-text (trip p.bet)) q.bet)
[%hey *] +>(mir [0 ~]) :: refresh
[%rez *] +>(edg (dec p.bet)) :: resize window
[%yow *] (se-link p.bet)
==
=+ gul=se-agon
?: |(?=(~ gul) (se-aint u.gul))
(se-blit %bel ~)
ta-abet:(ta-belt:(se-tame u.gul) bet)
::
++ se-drop :: disconnect
|= [pej=? gyl=gill:gall]
^+ +>
=+ lag=se-agon
?. (~(has by fug) gyl) +>.$
=. fug (~(del by fug) gyl)
=. eel ?.(pej eel (~(del in eel) gyl))
=. +>.$ ?. &(?=(^ lag) !=(gyl u.lag))
+>.$(inx 0)
(se-alas u.lag)
=. +>.$ (se-text "[unlinked from {<gyl>}]")
?: =(gyl [our.hid %dojo]) :: undead dojo
(se-link gyl)
+>.$
::
++ se-tab :: print tab completions
|= tl=(list [=cord =tank])
^+ +>
=/ lots (gth (lent tl) 10)
=/ long
?: lots
0
(roll (turn tl |=([=term *] (met 3 term))) max)
%- se-dump
%- flop
^- (list tank)
:- leaf+"-----"
%+ turn tl
|= [=term =type=tank]
?: lots
leaf+(trip term)
=/ type-text ~(ram re type-tank)
=/ spaces (trip (fil 3 (sub long (met 3 term)) ' '))
=/ =tape "{(trip term)} {spaces} {type-text}"
:: If type is too long and not the only result, abbreviate
::
?: (gth (lent type-text) edg)
?: ?=([* ~] tl)
:+ %rose
["" "" ""]
~[leaf+(trip term) type-tank]
leaf+(weld (scag (sub edg 3) tape) "...")
leaf+tape
::
++ se-blin :: print and newline
|= $= lin
$~ [%put ~]
$>(?(%put %klr) dill-blit:dill)
^+ +>
:: newline means we need to redraw the prompt,
:: so update the prompt mirror accordingly.
::
=. mir [0 ~]
::TODO doing hops and wyps conditionally based on the mirror state seems
:: better, but doesn't cover edge cases. results in dojo's ">=" being
:: rendered alongside the prompt in scrollback, for example.
:: figure out a way to make that work!
(se-blit %mor [%hop 0] [%wyp ~] lin [%nel ~] ~)
::
++ se-dump :: print tanks
|= tac=(list tank)
^+ +>
=/ wol=wall
(zing (turn (flop tac) |=(a=tank (~(win re a) [0 edg]))))
|- ^+ +>.^$
?~ wol +>.^$
?. ((sane %t) (crip i.wol)) :: XX upstream validation
~& bad-text+<`*`i.wol>
$(wol t.wol)
$(wol t.wol, +>.^$ (se-blin %put (tuba i.wol)))
::
++ se-join :: confirm connection
|= gyl=gill:gall
^+ +>
=. +> (se-text "[linked to {<gyl>}]")
?> ?=(~ (~(got by fug) gyl))
(se-alas(fug (~(put by fug) gyl `*target)) gyl)
::
++ se-nuke :: teardown connection
|= gyl=gill:gall
^+ +>
(se-drop:(se-pull gyl) & gyl)
::
++ se-klin :: disconnect app
|= gyl=gill:gall
=/ gil=(unit gill:gall) se-agon
=. eel (~(del in eel) gyl)
?~ gil +>.$
?: =(gyl u.gil)
+>.$(inx 0)
(se-alas u.gil)
::
++ se-link :: connect to app
|= gyl=gill:gall
+>(eel (~(put in eel) gyl))
::
++ se-blit :: give output
|= bil=blit:dill
+>(biz [bil biz])
::
++ se-blit-sys :: output to system
|= bil=dill-blit:dill ^+ +>
::TODO remove /drum after dill cleans up
(se-emit %give %fact ~[/drum /dill/[ses]] %dill-blit !>(bil))
::
++ se-show :: show buffer, raw
|= lin=(pair @ud stub)
^+ +>
?: =(mir lin) +>
%- se-blit(mir lin)
?: =(q.mir q.lin) [%hop p.lin]
mor+[[%hop 0] [%wyp ~] [%klr q.lin] [%hop p.lin] ~]
::
++ se-just :: adjusted buffer
|= [pom=stub lin=(pair @ud (list @c))]
^+ +>
=/ pol (lent-char:klr pom)
=/ pos (add pol p.lin)
?: (gte (div (mul pol 100) edg) 35) :: old style (long prompt)
=/ off ?:((lte pos edg) 0 (sub pos edg))
%+ se-show
(sub pos off)
(swag:klr [off edg] (welp pom [*stye q.lin]~))
=/ end (sub edg pol)
=. off ?: (gth p.lin (add end off))
(sub p.lin end)
?: (lth p.lin off)
(min p.lin (dec off))
off
%+ se-show
(sub pos off)
(welp pom [*stye (swag [off end] q.lin)]~)
::
++ se-view :: flush buffer
^+ .
=+ gul=se-agon
?: |(?=(~ gul) (se-aint u.gul)) +
(se-just ta-vew:(se-tame u.gul))
::
++ se-emit
|= card:agent:gall
%_(+> moz [+< moz])
::
++ se-text :: return text
|= txt=tape
^+ +>
?. ((sane %t) (crip txt)) :: XX upstream validation
~& bad-text+<`*`txt>
+>
(se-blin %put (tuba txt))
::
++ se-poke :: send a poke
|= [gyl=gill:gall par=cage]
(se-emit %pass (en-gill ses gyl) %agent gyl %poke par)
::
++ se-peer :: send a peer
|= gyl=gill:gall
~> %slog.0^leaf/"drum: link {<[p q]:gyl>}"
=/ =path (id-to-path:sole our.hid ses)
%- se-emit(fug (~(put by fug) gyl ~))
[%pass (en-gill ses gyl) %agent gyl %watch path]
::
++ se-pull :: cancel subscription
|= gyl=gill:gall
(se-emit %pass (en-gill ses gyl) %agent gyl %leave ~)
::
++ se-tame :: switch connection
|= gyl=gill:gall
^+ ta
~(. ta gyl (need (~(got by fug) gyl)))
::
++ se-diff :: receive results
|= [gyl=gill:gall fec=sole-effect]
^+ +>
ta-abet:(ta-fec:(se-tame gyl) fec)
::
++ ta :: per target
|_ [gyl=gill:gall target] :: app and state
++ ta-abet :: resolve
^+ ..ta
..ta(fug (~(put by fug) gyl ``target`+<+))
::
++ ta-poke |=(a=cage +>(..ta (se-poke gyl a))) :: poke gyl
::
++ ta-act :: send action
|= act=sole-action
^+ +>
(ta-poke %sole-action !>(act))
::
++ ta-id [our.hid ses] :: per-ship-session id
::
++ ta-aro :: hear arrow
|= key=?(%d %l %r %u)
^+ +>
=. ris ~
?- key
%d ?. =(num.hit pos.hit)
(ta-mov +(pos.hit))
?: =(0 (lent buf.say.inp))
ta-bel
(ta-hom:ta-nex %set ~)
%l ?: =(0 pos.inp) ta-bel
+>(pos.inp (dec pos.inp))
%r ?: =((lent buf.say.inp) pos.inp)
ta-bel
+>(pos.inp +(pos.inp))
%u ?:(=(0 pos.hit) ta-bel (ta-mov (dec pos.hit)))
==
::
++ ta-bel :: beep
.(..ta (se-blit %bel ~), q.blt ~) :: forget belt
::
++ ta-belt :: handle input
|= bet=dill-belt:dill
^+ +>
?< ?=([?(%cru %hey %rez %yow) *] bet) :: target-specific
=. blt [q.blt `bet] :: remember belt
?- bet
@ (ta-txt bet ~)
[%aro *] (ta-aro p.bet)
[%bac *] ta-bac
[%del *] ta-del
[%hit *] (ta-hit +.bet)
[%ret *] ta-ret
[%txt *] (ta-txt p.bet)
::
[%mod *]
?+ mod.bet $(bet key.bet)
%ctl (ta-ctl key.bet)
%met (ta-met key.bet)
==
==
::
++ ta-det :: send edit
|= ted=sole-edit
^+ +>
%^ ta-act
ta-id
%det
[[his.ven.say.inp own.ven.say.inp] (sham buf.say.inp) ted]
::
++ ta-bac :: hear backspace
^+ .
?^ ris
?: =(~ str.u.ris)
ta-bel
.(str.u.ris (scag (dec (lent str.u.ris)) str.u.ris))
?: =(0 pos.inp)
?~ buf.say.inp
(ta-act ta-id %clr ~)
ta-bel
(ta-hom %del (dec pos.inp))
::
++ ta-ctl :: hear control
|= key=bolt:dill
^+ +>
=. ris ?.(?=(?(%g %r) key) ~ ris)
?+ key ta-bel
%a +>(pos.inp 0)
%b (ta-aro %l)
%c ta-bel
%d ?^ buf.say.inp
ta-del
?: =([our.hid %dojo] gyl)
+>(..ta (se-blit-sys %qit ~)) :: quit pier
+>(..ta (se-klin gyl)) :: unlink app
%e +>(pos.inp (lent buf.say.inp))
%f (ta-aro %r)
%g ?~ ris ta-bel
(ta-hom(pos.hit num.hit, ris ~) [%set ~])
%i ta-tab
%k =+ len=(lent buf.say.inp)
?: =(pos.inp len)
ta-bel
(ta-kil %r [pos.inp (sub len pos.inp)])
%l +>(..ta (se-blit(q.mir ~) %clr ~))
%n (ta-aro %d)
%p (ta-aro %u)
%r ?~ ris
+>(ris `[pos.hit ~])
?: =(0 pos.u.ris)
ta-bel
(ta-ser ~)
%t =+ len=(lent buf.say.inp)
?: |(=(0 pos.inp) (lth len 2))
ta-bel
=+ sop=(sub pos.inp ?:(=(len pos.inp) 2 1))
(ta-hom (rep:edit [sop 2] (flop (swag [sop 2] buf.say.inp))))
%u ?: =(0 pos.inp)
ta-bel
(ta-kil %l [0 pos.inp])
%v ta-bel
%w ?: =(0 pos.inp)
ta-bel
=+ sop=(ta-pos %l %ace pos.inp)
(ta-kil %l [(sub pos.inp sop) sop])
%x +>(..ta se-anon)
%y ?: =(0 num.kil)
ta-bel
(ta-hom (cat:edit pos.inp ta-yan))
==
::
++ ta-del :: hear delete
^+ .
?: =((lent buf.say.inp) pos.inp)
ta-bel
(ta-hom %del pos.inp)
::
++ ta-hit :: hear click
|= [x=@ud y=@ud]
^+ +>
=/ pol=@ud
(lent-char:klr (make:klr cad.pom))
=? x (lth x pol) pol
+>.$(pos.inp (min (sub x pol) (lent buf.say.inp)))
::
++ ta-erl :: hear local error
|= pos=@ud
ta-bel(pos.inp (min pos (lent buf.say.inp)))
::
++ ta-err :: hear remote error
|= pos=@ud
(ta-erl (~(transpose sole say.inp) pos))
::
++ ta-fec :: apply effect
|= fec=sole-effect
^+ +>
?+ fec +>(..ta (se-blit fec))
[%bel *] ta-bel
[%blk *] +>
[%bye *] +>(..ta (se-klin gyl))
[%det *] (ta-got +.fec)
[%err *] (ta-err p.fec)
[%klr *] +>(..ta (se-blin %klr (make:klr p.fec)))
[%mor *] |- ^+ +>.^$
?~ p.fec +>.^$
$(p.fec t.p.fec, +>.^$ ^$(fec i.p.fec))
[%nex *] ta-nex
[%pro *] (ta-pro +.fec)
[%tab *] +>(..ta (se-tab p.fec))
[%tan *] +>(..ta (se-dump p.fec))
[%txt *] +>(..ta (se-text p.fec))
[%url *] +>(..ta (se-text:(se-blit fec) (trip p.fec)))
==
::
++ ta-dog :: change cursor
|= ted=sole-edit
%_ +>
pos.inp
=+ len=(lent buf.say.inp)
%+ min len
|- ^- @ud
?- ted
[%del *] ?:((gth pos.inp p.ted) (dec pos.inp) pos.inp)
[%ins *] ?:((gte pos.inp p.ted) +(pos.inp) pos.inp)
[%mor *] |- ^- @ud
?~ p.ted pos.inp
$(p.ted t.p.ted, pos.inp ^$(ted i.p.ted))
[%nop *] pos.inp
[%set *] len
==
==
::
++ ta-off :: reset buffer offset
|= ted=sole-edit
=? off (any:edit ted |=(a=sole-edit ?=(%set -.a))) 0
+>
::
++ ta-got :: apply change
|= cal=sole-change
=^ ted say.inp (~(receive sole say.inp) cal)
(ta-dog:(ta-off ted.cal) ted)
::
++ ta-hom :: local edit
|= ted=sole-edit
^+ +>
=. +> (ta-det:(ta-off ted) ted)
(ta-dog(say.inp (~(commit sole say.inp) ted)) ted)
::
++ ta-jump :: buffer pos
|= [dir=?(%l %r) til=?(%ace %edg %wrd) pos=@ud]
^- @ud
%- ?:(?=(%l dir) sub add)
[pos (ta-pos dir til pos)]
::
++ ta-kil :: kill selection
|= [dir=?(%l %r) sel=[@ @]]
^+ +>
=+ buf=(swag sel buf.say.inp)
%. (cut:edit sel)
%= ta-hom
kil
?. ?& ?=(^ old.kil)
?=(^ p.blt)
?| ?=([%mod %ctl ?(%k %u %w)] u.p.blt)
?=([%mod %met ?(%d [%bac ~])] u.p.blt)
== ==
%= kil :: prepend
num +(num.kil)
pos +(num.kil)
old (scag max.kil `(list (list @c))`[buf old.kil])
==
%= kil :: cumulative yanks
pos num.kil
old :_ t.old.kil
?- dir
%l (welp buf i.old.kil)
%r (welp i.old.kil buf)
== ==
==
::
++ ta-met :: meta key
|= key=bolt:dill
^+ +>
=. ris ~
?+ key ta-bel
%'.' ?. &(?=(^ old.hit) ?=(^ i.old.hit)) :: last "arg" from hist
ta-bel
=+ old=`(list @c)`i.old.hit
=+ sop=(ta-jump(buf.say.inp old) %l %ace (lent old))
(ta-hom (cat:edit pos.inp (slag sop old)))
::
[%bac ~]
?: =(0 pos.inp) :: kill left-word
ta-bel
=+ sop=(ta-pos %l %edg pos.inp)
(ta-kil %l [(sub pos.inp sop) sop])
::
%b ?: =(0 pos.inp) :: jump left-word
ta-bel
+>(pos.inp (ta-jump %l %edg pos.inp))
::
%c ?: =(pos.inp (lent buf.say.inp)) :: capitalize
ta-bel
=+ sop=(ta-jump %r %wrd pos.inp)
%- ta-hom(pos.inp (ta-jump %r %edg sop))
%+ rep:edit [sop 1]
^- (list @c) ^- (list @) :: XX unicode
(cuss `tape``(list @)`(swag [sop 1] buf.say.inp))
::
%d ?: =(pos.inp (lent buf.say.inp)) :: kill right-word
ta-bel
(ta-kil %r [pos.inp (ta-pos %r %edg pos.inp)])
::
%f ?: =(pos.inp (lent buf.say.inp)) :: jump right-word
ta-bel
+>(pos.inp (ta-jump %r %edg pos.inp))
::
%r %- ta-hom(lay.hit (~(put by lay.hit) pos.hit ~))
:- %set :: revert hist edit
?: =(pos.hit num.hit) ~
(snag (sub num.hit +(pos.hit)) old.hit)
::
%t =+ a=(ta-jump %r %edg pos.inp) :: transpose words
=+ b=(ta-jump %l %edg a)
=+ c=(ta-jump %l %edg b)
?: =(b c)
ta-bel
=+ next=[b (sub a b)]
=+ prev=[c (ta-pos %r %edg c)]
%- ta-hom(pos.inp a)
:~ %mor
(rep:edit next (swag prev buf.say.inp))
(rep:edit prev (swag next buf.say.inp))
==
::
?(%u %l) :: upper/lower case
?: =(pos.inp (lent buf.say.inp))
ta-bel
=+ case=?:(?=(%u key) cuss cass)
=+ sop=(ta-jump %r %wrd pos.inp)
=+ sel=[sop (ta-pos %r %edg sop)]
%- ta-hom
%+ rep:edit sel
^- (list @c) ^- (list @) :: XX unicode
(case `tape``(list @)`(swag sel buf.say.inp))
::
%y ?. ?& ?=(^ old.kil) :: rotate & yank
?=(^ p.blt)
?| ?=([%mod %ctl %y] u.p.blt)
?=([%mod %met %y] u.p.blt)
== ==
ta-bel
=+ las=(lent ta-yan)
=. pos.kil ?:(=(1 pos.kil) num.kil (dec pos.kil))
(ta-hom (rep:edit [(sub pos.inp las) las] ta-yan))
==
::
++ ta-mov :: move in history
|= sop=@ud
^+ +>
?: =(sop pos.hit) +>
%- %= ta-hom
pos.hit sop
lay.hit (~(put by lay.hit) pos.hit buf.say.inp)
==
:- %set
%. (~(get by lay.hit) sop)
(bond |.((snag (sub num.hit +(sop)) old.hit)))
::
++ ta-nex :: advance history
^+ .
=. ris ~
=. lay.hit ~
?: ?| ?=(~ buf.say.inp)
&(?=(^ old.hit) =(buf.say.inp i.old.hit))
==
.(pos.hit num.hit)
%_ .
num.hit +(num.hit)
pos.hit +(num.hit)
old.hit [buf.say.inp old.hit]
==
::
++ ta-pos :: buffer pos offset
|= [dir=?(%l %r) til=?(%ace %edg %wrd) pos=@ud]
^- @ud
%- ?- til %ace ace:offset
%edg edg:offset
%wrd wrd:offset
==
?- dir %l (flop (scag pos buf.say.inp))
%r (slag pos buf.say.inp)
==
::
++ ta-pro :: set prompt
|= pom=sole-prompt
%_ +>
pom
%_ pom
cad
;: welp
?. ?=(%earl (clan:title p.gyl))
(cite:title p.gyl)
(scow %p p.gyl)
::
":"
(trip q.gyl)
cad.pom
==
==
==
::
++ ta-ret :: hear return
(ta-act ta-id %ret ~)
::
++ ta-tab :: hear tab
(ta-act ta-id %tab pos.inp)
::
++ ta-ser :: reverse search
|= ext=(list @c)
^+ +>
?: |(?=(~ ris) =(0 pos.u.ris))
ta-bel
=+ sop=?~(ext (dec pos.u.ris) pos.u.ris)
=+ tot=(weld str.u.ris ext)
=+ dol=(slag (sub num.hit sop) old.hit)
=/ sup
|- ^- (unit @ud)
?~ dol ~
?^ (find tot i.dol)
`sop
$(sop (dec sop), dol t.dol)
?~ sup ta-bel
(ta-mov(str.u.ris tot, pos.u.ris u.sup) (dec u.sup))
::
++ ta-txt :: hear text
|= txt=(list @c)
^+ +>
?^ ris
(ta-ser txt)
(ta-hom (cat:edit pos.inp txt))
::
++ ta-vew :: computed prompt
^- [pom=stub lin=(pair @ud (list @c))]
=; vew=(pair (list @c) styx)
[(make:klr q.vew) pos.inp p.vew]
?: vis.pom
:- buf.say.inp :: default prompt
?~ ris
cad.pom
:(welp "(reverse-i-search)'" (tufa str.u.ris) "': ")
:- (reap (lent buf.say.inp) `@c`'*') :: hidden input
%+ welp
cad.pom
?~ buf.say.inp ~
:(welp "<" (scow %p (end 4 (sham buf.say.inp))) "> ")
::
++ ta-yan :: yank
(snag (sub num.kil pos.kil) old.kil)
--
++ edit :: produce sole-edits
|%
++ cat :: mass insert
|= [pos=@ud txt=(list @c)]
^- sole-edit
:- %mor
|- ^- (list sole-edit)
?~ txt ~
[[%ins pos i.txt] $(pos +(pos), txt t.txt)]
::
++ cut :: mass delete
|= [pos=@ud num=@ud]
^- sole-edit
:- %mor
|- ^- (list sole-edit)
?: =(0 num) ~
[[%del pos] $(num (dec num))]
::
++ rep :: mass replace
|= [[pos=@ud num=@ud] txt=(list @c)]
^- sole-edit
:~ %mor
(cut pos num)
(cat pos txt)
==
++ any :: matches?
|= [a=sole-edit b=$-(sole-edit ?)]
^- ?
?. ?=(%mor -.a) (b a)
(lien p.a |=(c=sole-edit ^$(a c)))
--
++ offset :: calculate offsets
|%
++ alnm :: alpha-numeric
|= a=@ ^- ?
?| &((gte a '0') (lte a '9'))
&((gte a 'A') (lte a 'Z'))
&((gte a 'a') (lte a 'z'))
==
::
++ ace :: next whitespace
|= a=(list @)
=| [b=_| i=@ud]
|- ^- @ud
?~ a i
=/ c !=(32 i.a)
=. b |(b c)
?: &(b !|(=(0 i) c)) i
$(i +(i), a t.a)
::
++ edg :: next word boundary
|= a=(list @)
=| [b=_| i=@ud]
|- ^- @ud
?~ a i
=/ c (alnm i.a)
=. b |(b c)
?: &(b !|(=(0 i) c)) i
$(i +(i), a t.a)
::
++ wrd :: next or current word
|= a=(list @)
=| i=@ud
|- ^- @ud
?: |(?=(~ a) (alnm i.a)) i
$(i +(i), a t.a)
--
--