main: replace bubbletea TUI with goq readline + splitInput

Drop charmbracelet/bubbletea, bubbles, and lipgloss. Replace the full-screen
Elm-architecture TUI with goq's readline-based approach:

- go-multiline-ny for readline input with history and bracketed paste
- splitInput persistent bottom band during agent turns (pulse separator,
  queue display, Ctrl-U/W/Backspace, /queued pop/clear)
- Signal handling: Ctrl-C cancels the current turn; double-Ctrl-C exits
- Plain text agent output (no ANSI formatting yet)
- All existing slash commands preserved; /queued integrated

New files: splitinput.go, splitinput_windows.go, bracketed_paste.go,
rerender_input.go, queued_commands.go, signals.go, signals_unix.go,
signals_windows.go

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Levi Neely 2026-04-08 23:42:47 +02:00
parent 124e4d4e0e
commit 4d4c1708e6
11 changed files with 1883 additions and 971 deletions

152
bracketed_paste.go Normal file
View File

@ -0,0 +1,152 @@
package main
import (
"fmt"
"strings"
multiline "github.com/hymkor/go-multiline-ny"
"github.com/mattn/go-tty"
readline "github.com/nyaosorg/go-readline-ny"
"github.com/nyaosorg/go-readline-ny/keys"
ttyadapter "github.com/nyaosorg/go-ttyadapter"
"github.com/nyaosorg/go-ttyadapter/tty8"
)
const (
bracketedPasteEnable = "\x1b[?2004h"
bracketedPasteDisable = "\x1b[?2004l"
BracketedPasteStart = "\x1b[200~"
BracketedPasteEnd = "\x1b[201~"
maxBracketedPasteBytes = 10 << 20
)
const GoqPasteNewlineKey = keys.Code("\x1b[goq-paste-newline]")
func setupBracketedPaste(t *tty.TTY, ed *multiline.Editor) (cleanup func(), err error) {
fmt.Fprint(t.Output(), bracketedPasteEnable)
cleanup = func() { fmt.Fprint(t.Output(), bracketedPasteDisable) }
ed.SetTty(NewBracketedPasteTty(&tty8.Tty{TTY: t}))
if err = ed.BindKey(GoqPasteNewlineKey, readline.AnonymousCommand(ed.NewLine)); err != nil {
cleanup()
return nil, err
}
return cleanup, nil
}
type adaptedTty ttyadapter.Tty
type BracketedPasteTty struct {
adaptedTty
buf []string
pendingErr error
}
var _ ttyadapter.Tty = (*BracketedPasteTty)(nil)
func NewBracketedPasteTty(inner ttyadapter.Tty) *BracketedPasteTty {
return &BracketedPasteTty{adaptedTty: inner}
}
func (t *BracketedPasteTty) GetKey() (string, error) {
if t.pendingErr != nil && len(t.buf) == 0 {
err := t.pendingErr
t.pendingErr = nil
return "", err
}
if len(t.buf) > 0 {
k := t.buf[0]
t.buf = t.buf[1:]
return k, nil
}
key, err := t.adaptedTty.GetKey()
if err != nil {
return "", err
}
if !strings.Contains(key, BracketedPasteStart) {
return key, nil
}
raw := key
for !strings.Contains(raw, BracketedPasteEnd) {
next, nextErr := t.adaptedTty.GetKey()
if nextErr != nil {
t.buf = append(t.buf, raw)
t.pendingErr = nextErr
break
}
if len(raw)+len(next) > maxBracketedPasteBytes {
return raw, nil
}
raw += next
}
if t.pendingErr == nil {
t.buf = append(t.buf, TokenizeBracketedPaste(raw)...)
}
if len(t.buf) > 0 {
k := t.buf[0]
t.buf = t.buf[1:]
return k, nil
}
return t.adaptedTty.GetKey()
}
func TokenizeBracketedPaste(raw string) []string {
var out []string
for {
start := strings.Index(raw, BracketedPasteStart)
if start < 0 {
if raw != "" {
out = append(out, raw)
}
return out
}
if start > 0 {
out = append(out, raw[:start])
}
raw = raw[start+len(BracketedPasteStart):]
end := strings.Index(raw, BracketedPasteEnd)
if end < 0 {
out = append(out, BracketedPasteStart+raw)
return out
}
content := raw[:end]
out = append(out, tokenizePasteContent(content)...)
raw = raw[end+len(BracketedPasteEnd):]
}
}
func tokenizePasteContent(s string) []string {
var out []string
var buf strings.Builder
flush := func() {
if buf.Len() == 0 {
return
}
out = append(out, buf.String())
buf.Reset()
}
for i := 0; i < len(s); i++ {
switch s[i] {
case '\r':
flush()
out = append(out, string(GoqPasteNewlineKey))
if i+1 < len(s) && s[i+1] == '\n' {
i++
}
case '\n':
flush()
out = append(out, string(GoqPasteNewlineKey))
default:
buf.WriteByte(s[i])
}
}
flush()
return out
}

41
go.mod
View File

@ -5,34 +5,19 @@ go 1.25.6
require (
9fans.net/go v0.0.7
anvillm v0.0.0-00010101000000-000000000000
github.com/charmbracelet/bubbles v1.0.0
github.com/charmbracelet/bubbletea v1.3.10
github.com/hymkor/go-multiline-ny v0.22.4
github.com/mattn/go-runewidth v0.0.19
github.com/mattn/go-tty v0.0.7
github.com/nyaosorg/go-readline-ny v1.14.1
github.com/nyaosorg/go-ttyadapter v0.3.0
)
require (
github.com/clipperhouse/stringish v0.1.1 // indirect
github.com/clipperhouse/uax29/v2 v2.5.0 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
golang.org/x/sys v0.41.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)
replace anvillm => ../anvillm/main
require (
github.com/atotto/clipboard v0.1.4 // indirect
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
github.com/charmbracelet/colorprofile v0.4.1 // indirect
github.com/charmbracelet/lipgloss v1.1.0 // indirect
github.com/charmbracelet/x/ansi v0.11.6 // indirect
github.com/charmbracelet/x/cellbuf v0.0.15 // indirect
github.com/charmbracelet/x/term v0.2.2 // indirect
github.com/clipperhouse/displaywidth v0.9.0 // indirect
github.com/clipperhouse/stringish v0.1.1 // indirect
github.com/clipperhouse/uax29/v2 v2.5.0 // indirect
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-localereader v0.0.1 // indirect
github.com/mattn/go-runewidth v0.0.19 // indirect
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
github.com/muesli/cancelreader v0.2.2 // indirect
github.com/muesli/termenv v0.16.0 // indirect
github.com/rivo/uniseg v0.4.7 // indirect
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
golang.org/x/sys v0.41.0 // indirect
golang.org/x/text v0.33.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

53
go.sum
View File

@ -2,62 +2,28 @@
9fans.net/go v0.0.7/go.mod h1:Rxvbbc1e+1TyGMjAvLthGTyO97t+6JMQ6ly+Lcs9Uf0=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20201218220906-28db891af037/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/MakeNowJust/heredoc v1.0.0 h1:cXCdzVdstXyiTqTvfqk9SDHpKNjxuom+DOlyEeQ4pzQ=
github.com/MakeNowJust/heredoc v1.0.0/go.mod h1:mG5amYoWBHf8vpLOuehzbGGw0EHxpZZ6lCpQ4fNJ8LE=
github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
github.com/aymanbagabas/go-udiff v0.3.1 h1:LV+qyBQ2pqe0u42ZsUEtPiCaUoqgA9gYRDs3vj1nolY=
github.com/aymanbagabas/go-udiff v0.3.1/go.mod h1:G0fsKmG+P6ylD0r6N/KgQD/nWzgfnl8ZBcNLgcbrw8E=
github.com/charmbracelet/bubbles v1.0.0 h1:12J8/ak/uCZEMQ6KU7pcfwceyjLlWsDLAxB5fXonfvc=
github.com/charmbracelet/bubbles v1.0.0/go.mod h1:9d/Zd5GdnauMI5ivUIVisuEm3ave1XwXtD1ckyV6r3E=
github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
github.com/charmbracelet/x/ansi v0.11.6 h1:GhV21SiDz/45W9AnV2R61xZMRri5NlLnl6CVF7ihZW8=
github.com/charmbracelet/x/ansi v0.11.6/go.mod h1:2JNYLgQUsyqaiLovhU2Rv/pb8r6ydXKS3NIttu3VGZQ=
github.com/charmbracelet/x/cellbuf v0.0.15 h1:ur3pZy0o6z/R7EylET877CBxaiE1Sp1GMxoFPAIztPI=
github.com/charmbracelet/x/cellbuf v0.0.15/go.mod h1:J1YVbR7MUuEGIFPCaaZ96KDl5NoS0DAWkskup+mOY+Q=
github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
github.com/charmbracelet/x/term v0.2.2/go.mod h1:kF8CY5RddLWrsgVwpw4kAa6TESp6EB5y3uxGLeCqzAI=
github.com/clipperhouse/displaywidth v0.9.0 h1:Qb4KOhYwRiN3viMv1v/3cTBlz3AcAZX3+y9OLhMtAtA=
github.com/clipperhouse/displaywidth v0.9.0/go.mod h1:aCAAqTlh4GIVkhQnJpbL0T/WfcrJXHcj8C0yjYcjOZA=
github.com/clipperhouse/stringish v0.1.1 h1:+NSqMOr3GR6k1FdRhhnXrLfztGzuG+VuFDfatpWHKCs=
github.com/clipperhouse/stringish v0.1.1/go.mod h1:v/WhFtE1q0ovMta2+m+UbpZ+2/HEXNWYXQgCt4hdOzA=
github.com/clipperhouse/uax29/v2 v2.5.0 h1:x7T0T4eTHDONxFJsL94uKNKPHrclyFI0lm7+w94cO8U=
github.com/clipperhouse/uax29/v2 v2.5.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/hymkor/go-multiline-ny v0.22.4 h1:Ag2rkBpDnr3jp+AHe1CuXSOQ4AQ8D0+gBNVf+BAX+/0=
github.com/hymkor/go-multiline-ny v0.22.4/go.mod h1:v2lqQooHVAO53WICAIbgTn74bQtzsg4tFn29d+7JPwY=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
github.com/mattn/go-tty v0.0.7 h1:KJ486B6qI8+wBO7kQxYgmmEFDaFEE96JMBQ7h400N8Q=
github.com/mattn/go-tty v0.0.7/go.mod h1:f2i5ZOvXBU/tCABmLmOfzLz9azMo5wdAaElRNnJKr+k=
github.com/nyaosorg/go-readline-ny v1.14.1 h1:bWyXpR6jRaCXysx4bnioxk36+YjQ6dypHKMjHnzIXdk=
github.com/nyaosorg/go-readline-ny v1.14.1/go.mod h1:/BDf3/H/AScnvey4LoDws1bjTZDB76EE7uKnW2apoKU=
github.com/nyaosorg/go-ttyadapter v0.3.0 h1:/Y7+rGJ0LEcs+AExevwNmND2VJvvpBmgbMuCbntKq3c=
github.com/nyaosorg/go-ttyadapter v0.3.0/go.mod h1:w6ySb/Y8rpr0uIju4vN/TMRHC/6ayabORHmEVs6d/qE=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
golang.org/x/exp v0.0.0-20210405174845-4513512abef3/go.mod h1:I6l2HNBLBZEcrOoCpyKLdY2lHoRZ8lI4x60KMCQDft4=
golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3 h1:/RIbNt/Zr7rVhIkQhooTxCxFcdWLGIKnZA4IXNFSrvo=
golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
@ -75,13 +41,10 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210415045647-66c3f260301c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=

1467
main.go

File diff suppressed because it is too large Load Diff

84
queued_commands.go Normal file
View File

@ -0,0 +1,84 @@
package main
import (
"fmt"
"strconv"
"strings"
)
const queuedCommandUsage = "/queued [pop [N] | clear]"
type queuedCommandAction int
const (
queuedCommandHelp queuedCommandAction = iota
queuedCommandPop
queuedCommandClear
)
type queuedCommand struct {
action queuedCommandAction
count int
}
func parseQueuedCommandLine(input string) (cmd queuedCommand, ok bool, err error) {
input = strings.TrimSpace(input)
if !strings.HasPrefix(input, "/") {
return queuedCommand{}, false, nil
}
name, args, _ := strings.Cut(input[1:], " ")
if name != "queued" {
return queuedCommand{}, false, nil
}
cmd, err = parseQueuedCommandArgs(args)
return cmd, true, err
}
func parseQueuedCommandArgs(args string) (queuedCommand, error) {
fields := strings.Fields(strings.TrimSpace(args))
if len(fields) == 0 {
return queuedCommand{action: queuedCommandHelp}, nil
}
switch fields[0] {
case "pop":
if len(fields) == 1 {
return queuedCommand{action: queuedCommandPop, count: 1}, nil
}
if len(fields) != 2 {
return queuedCommand{}, fmt.Errorf("usage: %s", queuedCommandUsage)
}
n, err := strconv.Atoi(fields[1])
if err != nil || n <= 0 {
return queuedCommand{}, fmt.Errorf("pop count must be a positive integer")
}
return queuedCommand{action: queuedCommandPop, count: n}, nil
case "clear":
if len(fields) != 1 {
return queuedCommand{}, fmt.Errorf("usage: %s", queuedCommandUsage)
}
return queuedCommand{action: queuedCommandClear}, nil
default:
return queuedCommand{}, fmt.Errorf("usage: %s", queuedCommandUsage)
}
}
func runQueuedCommand(queue []string, cmd queuedCommand) ([]string, string) {
switch cmd.action {
case queuedCommandHelp:
return queue, fmt.Sprintf("Usage: %s", queuedCommandUsage)
case queuedCommandPop:
if len(queue) == 0 {
return queue, "No queued prompts."
}
n := min(cmd.count, len(queue))
return queue[:len(queue)-n], fmt.Sprintf("Removed %d queued prompt(s).", n)
case queuedCommandClear:
if len(queue) == 0 {
return queue, "No queued prompts."
}
n := len(queue)
return nil, fmt.Sprintf("Cleared %d queued prompt(s).", n)
default:
return queue, "No queued prompts."
}
}

73
rerender_input.go Normal file
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package main
import (
"fmt"
"io"
"regexp"
"strings"
"github.com/mattn/go-runewidth"
)
var ansiCSIPattern = regexp.MustCompile("\x1b\\[[0-9;?]*[ -/]*[@-~]")
var ansiOSCPattern = regexp.MustCompile("\x1b\\][^\x07]*(\x07|\x1b\\\\)")
func visibleWidth(s string) int {
s = ansiOSCPattern.ReplaceAllString(s, "")
s = ansiCSIPattern.ReplaceAllString(s, "")
return runewidth.StringWidth(s)
}
func shouldRerenderSubmittedSingleLine(prompt, input string, termWidth int) bool {
if termWidth <= 0 {
return false
}
return visibleWidth(prompt)+runewidth.StringWidth(input) > termWidth
}
func rerenderSubmittedSingleLine(w io.Writer, prompt, input string) {
fmt.Fprint(w, "\x1b[1A\r\x1b[2K")
fmt.Fprint(w, prompt)
fmt.Fprint(w, input)
fmt.Fprint(w, "\n")
}
func clearScreenAndMoveToBottom(w io.Writer, termHeight int) {
if termHeight <= 0 {
return
}
fmt.Fprint(w, strings.Repeat("\r\n", termHeight))
fmt.Fprintf(w, "\x1b[%d;1H", termHeight)
}
func truncateToWidth(s string, maxWidth int) string {
if maxWidth <= 0 {
return ""
}
w := 0
for i, r := range s {
w += runewidth.RuneWidth(r)
if w > maxWidth {
return s[:i]
}
}
return s
}
func truncateToWidthFromEnd(s string, maxWidth int) string {
if maxWidth <= 0 {
return ""
}
runes := []rune(s)
w := 0
start := len(runes)
for start > 0 {
nextWidth := runewidth.RuneWidth(runes[start-1])
if w+nextWidth > maxWidth {
break
}
start--
w += nextWidth
}
return string(runes[start:])
}

45
signals.go Normal file
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package main
import (
"context"
"errors"
"fmt"
"io"
"os"
"os/signal"
"time"
)
var ErrInterrupted = errors.New("interrupted")
const ctrlCExitWindow = 750 * time.Millisecond
type ActionCanceler func() context.CancelCauseFunc
func startSignalWatcher(appCancel context.CancelCauseFunc, getActionCancel ActionCanceler, errStream io.Writer) {
ch := make(chan os.Signal, 16)
signals := []os.Signal{os.Interrupt}
if haveSIGTERM {
signals = append(signals, SIGTERM)
}
signal.Notify(ch, signals...)
go func() {
for sig := range ch {
switch sig {
case SIGTERM:
signal.Stop(ch)
close(ch)
fmt.Fprint(errStream, "\n(terminated)\n")
appCancel(context.Canceled)
continue
case os.Interrupt:
if cancel := getActionCancel(); cancel != nil {
fmt.Fprint(errStream, "\n^C\n")
cancel(ErrInterrupted)
continue
}
}
}
}()
}

10
signals_unix.go Normal file
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//go:build !windows
package main
import "syscall"
const (
haveSIGTERM = true
SIGTERM = syscall.SIGTERM
)

9
signals_windows.go Normal file
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//go:build windows
package main
import "os"
const haveSIGTERM = false
var SIGTERM = os.Signal(nil)

900
splitinput.go Normal file
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//go:build !windows
package main
import (
"fmt"
"io"
"math"
"os"
"os/signal"
"strings"
"sync"
"syscall"
"time"
"unicode/utf8"
gotty "github.com/mattn/go-tty"
)
const splitInputVisibleQueueRows = 3
type splitInputReadRuneFunc func() (rune, error)
// splitInput manages the persistent input line at the bottom of the terminal
// during agent turns. It uses ANSI scroll regions to pin a bottom band while
// output scrolls above.
type splitInput struct {
mainTTY *gotty.TTY
out io.Writer
mu sync.Mutex
prompt string
complete func(fields []string) (completionSet []string, listingSet []string)
width, height int
scrollEnd int
bandStart int
active bool
inputTTY *gotty.TTY
buf []rune
queue []string
completions []string
outputStarted bool
deferredLFs int
winchCh chan os.Signal
done chan struct{}
pulseStart time.Time
}
func newSplitInput(t *gotty.TTY, out io.Writer, prompt string, complete func(fields []string) ([]string, []string)) *splitInput {
return &splitInput{
mainTTY: t,
out: out,
prompt: prompt,
complete: complete,
}
}
func (s *splitInput) maxQueueRows() int {
rows := max(s.height/3, 1)
if rows > splitInputVisibleQueueRows {
return splitInputVisibleQueueRows
}
return rows
}
func (s *splitInput) reservedRowsLocked() int {
rows := 2
bodyRows := s.promptBodyRowsLocked() + len(s.completions)
if bodyRows > 0 {
rows += 1 + bodyRows
}
if rows > s.height-2 {
rows = s.height - 2
}
if rows < 2 {
rows = 2
}
return rows
}
func (s *splitInput) recalcLayoutLocked() {
s.scrollEnd = max(s.height-s.reservedRowsLocked(), 1)
s.bandStart = s.scrollEnd + 1
}
func (s *splitInput) promptBodyRowsLocked() int {
return len(s.queue)
}
func resizeRedrawStart(oldHeight, oldBandStart, newHeight, newBandStart int) int {
if newBandStart < 1 {
newBandStart = 1
}
if oldHeight <= 0 || oldBandStart <= 0 || newHeight <= 0 {
return newBandStart
}
oldReserved := max(oldHeight-oldBandStart+1, 1)
shiftedOldBandStart := min(max(newHeight-oldReserved+1, 1), newHeight)
return min(shiftedOldBandStart, newBandStart)
}
func (s *splitInput) redrawLayoutLocked(clearFrom int) {
if clearFrom < 1 {
clearFrom = 1
}
fmt.Fprintf(s.out, "\033[1;%dr", s.scrollEnd)
for row := clearFrom; row <= s.height; row++ {
fmt.Fprintf(s.out, "\033[%d;1H\033[2K", row)
}
s.drawBottomAreaLocked()
fmt.Fprintf(s.out, "\033[%d;1H", s.scrollEnd)
}
func (s *splitInput) prepareSubmittedPromptGapLocked() {
if s.height <= 0 {
return
}
fmt.Fprintf(s.out, "\033[%d;1H\n", s.height)
}
func (s *splitInput) Enter() io.Writer {
w, h, err := s.mainTTY.Size()
if err != nil || h < 6 {
return nil
}
inputTTY, err := gotty.Open()
if err != nil {
return nil
}
s.mu.Lock()
s.width = w
s.height = h
s.active = true
s.inputTTY = inputTTY
s.buf = s.buf[:0]
s.queue = s.queue[:0]
s.completions = nil
s.outputStarted = false
s.deferredLFs = 0
s.pulseStart = time.Now()
s.done = make(chan struct{})
s.recalcLayoutLocked()
fmt.Fprint(s.out, "\033[?25l")
s.prepareSubmittedPromptGapLocked()
s.redrawLayoutLocked(s.bandStart)
s.mu.Unlock()
s.winchCh = make(chan os.Signal, 1)
signal.Notify(s.winchCh, syscall.SIGWINCH)
go s.watchResize()
go s.captureKeys(inputTTY)
go s.pulseSeparator()
return &splitWriter{s: s}
}
func (s *splitInput) Exit() (queued []string, pending string) {
s.mu.Lock()
if !s.active {
s.mu.Unlock()
return nil, ""
}
s.active = false
close(s.done)
inputTTY := s.inputTTY
s.inputTTY = nil
queued = s.queue
s.queue = nil
s.completions = nil
if len(s.buf) > 0 {
pending = string(s.buf)
s.buf = s.buf[:0]
}
s.flushDeferredLFsForExitLocked()
fmt.Fprint(s.out, "\033[r")
s.clearBandLocked()
fmt.Fprint(s.out, "\033[?25h")
fmt.Fprintf(s.out, "\033[%d;1H", s.height)
s.mu.Unlock()
if inputTTY != nil {
inputTTY.Close()
}
signal.Stop(s.winchCh)
return queued, pending
}
func (s *splitInput) SetPrompt(prompt string) {
s.mu.Lock()
s.prompt = prompt
if s.active {
fmt.Fprint(s.out, "\033[s")
s.clearBandLocked()
s.drawBottomAreaLocked()
s.restoreOverlayCursorLocked(s.height)
}
s.mu.Unlock()
}
func (s *splitInput) PopQueue() (string, bool) {
s.mu.Lock()
defer s.mu.Unlock()
if len(s.queue) == 0 {
return "", false
}
item := s.queue[0]
s.queue = s.queue[1:]
s.completions = nil
oldBandStart := s.bandStart
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
return item, true
}
func (s *splitInput) runQueuedCommand(cmd queuedCommand) string {
s.mu.Lock()
defer s.mu.Unlock()
var cmdMsg string
s.queue, cmdMsg = runQueuedCommand(s.queue, cmd)
if s.active {
oldBandStart := s.bandStart
s.completions = nil
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
}
return cmdMsg
}
func (s *splitInput) EchoQueuedInput(input string) {
s.mu.Lock()
defer s.mu.Unlock()
if !s.active {
return
}
s.flushDeferredLFsLocked()
fmt.Fprintf(s.out, "%s%s\n", s.prompt, input)
s.completions = nil
s.outputStarted = false
}
func (s *splitInput) clearBandLocked() {
for row := s.bandStart; row <= s.height; row++ {
fmt.Fprintf(s.out, "\033[%d;1H\033[2K", row)
}
}
func (s *splitInput) renderPulseSepLocked() string {
const (
baseGray = 238
peakGray = 252
sigma = 3.0
)
period := 14.0 * float64(s.width-1) / 139.0
phase := time.Since(s.pulseStart).Seconds() * 2 * math.Pi / period
pos := (math.Sin(phase) + 1) / 2 * float64(s.width-1)
var b strings.Builder
for i := range s.width {
d := float64(i) - pos
gray := baseGray + int(float64(peakGray-baseGray)*math.Exp(-d*d/(2*sigma*sigma)))
fmt.Fprintf(&b, "\033[38;5;%dm─", gray)
}
b.WriteString("\033[0m")
return b.String()
}
func (s *splitInput) redrawBottomSepLocked() {
sepRow := s.height - 1
if sepRow < s.bandStart {
return
}
fmt.Fprintf(s.out, "\033[s\033[%d;1H\033[2K%s", sepRow, s.renderPulseSepLocked())
s.restoreOverlayCursorLocked(sepRow)
}
func (s *splitInput) drawBottomAreaLocked() {
h := s.height
inputRow := h
queueRows := len(s.queue)
bodyRows := queueRows + len(s.completions)
pulseSep := s.renderPulseSepLocked()
if bodyRows == 0 {
sepRow := inputRow - 1
if sepRow >= s.bandStart {
fmt.Fprintf(s.out, "\033[%d;1H\033[2K%s", sepRow, pulseSep)
}
} else {
topSepRow := inputRow - bodyRows - 2
bottomSepRow := inputRow - 1
if topSepRow >= s.bandStart {
sep := strings.Repeat("─", s.width)
fmt.Fprintf(s.out, "\033[%d;1H\033[2K\033[2m%s\033[0m", topSepRow, sep)
}
row := inputRow - bodyRows - 1
for i, q := range s.queue {
currentRow := row + i
if currentRow >= s.bandStart {
display := truncateToWidth(q, s.width-4)
fmt.Fprintf(s.out, "\033[%d;1H\033[2K\033[2m ◆ %s\033[0m", currentRow, display)
}
}
row += queueRows
for i, item := range s.completions {
currentRow := row + i
if currentRow >= s.bandStart {
display := truncateToWidth(item, s.width)
fmt.Fprintf(s.out, "\033[%d;1H\033[2K%s", currentRow, display)
}
}
if bottomSepRow >= s.bandStart {
fmt.Fprintf(s.out, "\033[%d;1H\033[2K%s", bottomSepRow, pulseSep)
}
}
fmt.Fprintf(s.out, "\033[%d;1H\033[2K%s", inputRow, s.renderInputBufferLocked())
}
func (s *splitInput) captureKeys(inputTTY *gotty.TTY) {
if inputTTY == nil {
return
}
var pendingTokens []string
for {
token, rest, err := readSplitInputToken(inputTTY.ReadRune, pendingTokens)
pendingTokens = rest
if err != nil {
return
}
if token == "" {
continue
}
select {
case <-s.done:
return
default:
}
s.mu.Lock()
if !s.active {
s.mu.Unlock()
return
}
switch {
case token == "\t":
s.completeLocked()
case token == "\r" || token == "\n":
if len(s.buf) > 0 && s.handleLocalCommandLocked(strings.TrimSpace(string(s.buf))) {
break
}
if len(s.buf) > 0 && len(s.queue) < s.maxQueueRows() {
oldBandStart := s.bandStart
s.completions = nil
s.queue = append(s.queue, string(s.buf))
s.buf = s.buf[:0]
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
}
case token == "\x7f" || token == "\b":
if len(s.buf) > 0 {
oldBandStart := s.bandStart
cleared := s.clearCompletionsLocked()
s.buf = s.buf[:len(s.buf)-1]
if cleared {
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
} else {
s.redrawInputLineLocked()
}
}
case token == "\x03": // Ctrl-C — signal handler deals with it
case token == "\x15":
if len(s.buf) > 0 {
oldBandStart := s.bandStart
cleared := s.clearCompletionsLocked()
s.buf = s.buf[:0]
if cleared {
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
} else {
s.redrawInputLineLocked()
}
}
case token == "\x17":
oldBandStart := s.bandStart
cleared := s.clearCompletionsLocked()
s.deleteWordLocked()
if cleared {
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
} else {
s.redrawInputLineLocked()
}
default:
if isPrintableSplitInputToken(token) {
oldBandStart := s.bandStart
cleared := s.clearCompletionsLocked()
s.buf = append(s.buf, []rune(token)...)
if cleared {
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
} else {
s.redrawInputLineLocked()
}
}
}
s.mu.Unlock()
}
}
func readSplitInputToken(readRune splitInputReadRuneFunc, pending []string) (string, []string, error) {
if len(pending) > 0 {
return pending[0], pending[1:], nil
}
token, err := readSplitInputRawToken(readRune)
if err != nil {
return "", nil, err
}
if token != BracketedPasteStart {
return token, nil, nil
}
raw := token
for !strings.Contains(raw, BracketedPasteEnd) {
next, err := readSplitInputRawToken(readRune)
if err != nil {
return "", nil, err
}
if len(raw)+len(next) > maxBracketedPasteBytes {
return raw, nil, nil
}
raw += next
}
tokens := tokenizeSplitInputPaste(raw)
if len(tokens) == 0 {
return "", nil, nil
}
return tokens[0], tokens[1:], nil
}
func readSplitInputRawToken(readRune splitInputReadRuneFunc) (string, error) {
r, err := readRune()
if err != nil {
return "", err
}
if r != '\x1b' {
return string(r), nil
}
var b strings.Builder
b.WriteRune(r)
next, err := readRune()
if err != nil {
return b.String(), nil
}
b.WriteRune(next)
if next != '[' && next != 'O' {
return b.String(), nil
}
for {
r, err := readRune()
if err != nil {
return b.String(), nil
}
b.WriteRune(r)
if r >= 0x40 && r <= 0x7e {
return b.String(), nil
}
}
}
func tokenizeSplitInputPaste(raw string) []string {
tokens := TokenizeBracketedPaste(raw)
out := make([]string, 0, len(tokens))
needSpace := false
for _, token := range tokens {
if token == string(GoqPasteNewlineKey) {
needSpace = true
continue
}
token = normalizeSplitInputPasteText(token)
if token == "" {
continue
}
if needSpace {
if len(out) > 0 && !strings.HasSuffix(out[len(out)-1], " ") && !strings.HasPrefix(token, " ") {
out = append(out, " ")
}
needSpace = false
}
out = append(out, token)
}
return out
}
func normalizeSplitInputPasteText(token string) string {
var b strings.Builder
for _, r := range token {
switch r {
case '\t', '\v', '\f':
b.WriteByte(' ')
default:
if r < 32 || r == utf8.RuneError {
continue
}
b.WriteRune(r)
}
}
return b.String()
}
func isPrintableSplitInputToken(token string) bool {
if token == "" {
return false
}
for _, r := range token {
if r < 32 || r == utf8.RuneError {
return false
}
}
return true
}
func (s *splitInput) deleteWordLocked() {
for len(s.buf) > 0 && s.buf[len(s.buf)-1] == ' ' {
s.buf = s.buf[:len(s.buf)-1]
}
for len(s.buf) > 0 && s.buf[len(s.buf)-1] != ' ' {
s.buf = s.buf[:len(s.buf)-1]
}
}
func (s *splitInput) redrawInputLineLocked() {
fmt.Fprintf(s.out, "\033[s\033[%d;1H\033[2K%s", s.height, s.renderInputBufferLocked())
s.restoreOverlayCursorLocked(s.height)
}
func (s *splitInput) restoreOverlayCursorLocked(row int) {
if row < 1 {
row = 1
}
fmt.Fprintf(s.out, "\033[%d;1H\033[u", row)
}
func (s *splitInput) clearCompletionsLocked() bool {
if len(s.completions) == 0 {
return false
}
s.completions = nil
return true
}
func (s *splitInput) completeLocked() {
if s.complete == nil {
return
}
buf := string(s.buf)
fields := completionFieldsForBuffer(buf)
if len(fields) == 0 {
return
}
completionSet, listingSet := s.complete(fields)
prefixStart := lastTokenStart(buf)
prefix := buf[prefixStart:]
matches := filterCompletionMatches(completionSet, prefix)
if len(matches) == 0 {
return
}
if len(matches) == 1 {
s.setCompletionTokenLocked(prefixStart, matches[0], true)
return
}
common := longestCommonPrefix(matches)
if len(common) > len(prefix) {
s.setCompletionTokenLocked(prefixStart, common, false)
return
}
listing := filterCompletionMatches(listingSet, prefix)
if len(listing) == 0 {
listing = matches
}
s.showCompletionListingLocked(listing)
}
func (s *splitInput) setCompletionTokenLocked(prefixStart int, replacement string, appendSpace bool) {
oldBandStart := s.bandStart
s.completions = nil
if appendSpace && replacement != "" && !strings.HasSuffix(replacement, "/") && !strings.HasSuffix(replacement, " ") {
replacement += " "
}
s.buf = []rune(string(s.buf)[:prefixStart] + replacement)
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
}
func (s *splitInput) showCompletionListingLocked(listing []string) {
if len(listing) == 0 {
return
}
oldBandStart := s.bandStart
s.completions = s.limitCompletionListingLocked(listing)
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
}
func (s *splitInput) limitCompletionListingLocked(listing []string) []string {
maxRows := s.height - 5 - s.promptBodyRowsLocked()
if maxRows <= 0 {
return nil
}
if maxRows > 10 {
maxRows = 10
}
if len(listing) <= maxRows {
return append([]string(nil), listing...)
}
if maxRows == 1 {
return []string{"..."}
}
limited := append([]string(nil), listing[:maxRows-1]...)
return append(limited, "...")
}
func (s *splitInput) watchResize() {
for {
select {
case <-s.done:
return
case _, ok := <-s.winchCh:
if !ok {
return
}
s.handleResize()
}
}
}
func (s *splitInput) pulseSeparator() {
ticker := time.NewTicker(80 * time.Millisecond)
defer ticker.Stop()
for {
select {
case <-s.done:
return
case <-ticker.C:
s.mu.Lock()
if !s.active {
s.mu.Unlock()
return
}
s.redrawBottomSepLocked()
s.mu.Unlock()
}
}
}
func (s *splitInput) handleResize() {
w, h, err := s.mainTTY.Size()
if err != nil || h < 6 {
return
}
s.mu.Lock()
defer s.mu.Unlock()
if !s.active {
return
}
oldHeight := s.height
oldBandStart := s.bandStart
s.width = w
s.height = h
s.recalcLayoutLocked()
s.redrawLayoutLocked(resizeRedrawStart(oldHeight, oldBandStart, s.height, s.bandStart))
}
type splitWriter struct {
s *splitInput
}
func (w *splitWriter) Write(p []byte) (int, error) {
w.s.mu.Lock()
defer w.s.mu.Unlock()
if len(w.s.completions) > 0 {
oldBandStart := w.s.bandStart
w.s.completions = nil
w.s.recalcLayoutLocked()
w.s.redrawLayoutLocked(min(oldBandStart, w.s.bandStart))
}
if len(p) > 0 && !w.s.outputStarted {
w.s.writeScrollbackSeparatorLocked()
w.s.outputStarted = true
}
w.s.flushDeferredLFsLocked()
trailingLFs := trailingLFCount(p)
body := p[:len(p)-trailingLFs]
if len(body) > 0 {
if _, err := w.s.out.Write(body); err != nil {
return 0, err
}
}
w.s.deferredLFs += trailingLFs
return len(p), nil
}
func (s *splitInput) writeScrollbackSeparatorLocked() {
sep := strings.Repeat("─", s.width)
fmt.Fprintf(s.out, "\n\033[2m%s\033[0m\n", sep)
}
func (s *splitInput) flushDeferredLFsLocked() {
if s.deferredLFs == 0 {
return
}
fmt.Fprint(s.out, strings.Repeat("\n", s.deferredLFs))
s.deferredLFs = 0
}
func (s *splitInput) flushDeferredLFsForExitLocked() {
if s.deferredLFs <= 1 {
s.deferredLFs = 0
return
}
fmt.Fprint(s.out, strings.Repeat("\n", s.deferredLFs-1))
s.deferredLFs = 0
}
func trailingLFCount(p []byte) int {
n := 0
for i := len(p) - 1; i >= 0 && p[i] == '\n'; i-- {
n++
}
return n
}
func (s *splitInput) renderInputBufferLocked() string {
promptWidth := visibleWidth(s.prompt)
maxInputWidth := s.width - promptWidth - 1
display := truncateToWidthFromEnd(string(s.buf), maxInputWidth)
return s.prompt + display + "\033[7m \033[0m"
}
func (s *splitInput) handleLocalCommandLocked(input string) bool {
return s.handleQueuedCommandLocked(input)
}
func (s *splitInput) handleQueuedCommandLocked(input string) bool {
cmd, ok, err := parseQueuedCommandLine(input)
if !ok {
return false
}
oldBandStart := s.bandStart
s.buf = s.buf[:0]
s.completions = nil
if err != nil {
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
s.writeLocalStatusMessageLocked(err.Error())
return true
}
s.queue, input = runQueuedCommand(s.queue, cmd)
s.recalcLayoutLocked()
s.redrawLayoutLocked(min(oldBandStart, s.bandStart))
s.writeLocalStatusMessageLocked(input)
return true
}
func (s *splitInput) writeLocalStatusMessageLocked(msg string) {
if msg == "" {
return
}
s.flushDeferredLFsLocked()
for line := range strings.SplitSeq(msg, "\n") {
fmt.Fprintf(s.out, "\033[2m%s\033[0m\n", line)
}
}
// --- completion helpers ---
func completionFieldsForBuffer(buf string) []string {
fields := splitFields(buf)
if len(buf) == 0 {
return fields
}
if containsByte(" \t\r\n\v\f", buf[len(buf)-1]) {
return append(fields, "")
}
return fields
}
func lastTokenStart(buf string) int {
for i := len(buf) - 1; i >= 0; i-- {
if containsByte(" \t\r\n\v\f", buf[i]) {
return i + 1
}
}
return 0
}
func filterCompletionMatches(candidates []string, prefix string) []string {
if len(candidates) == 0 {
return nil
}
if prefix == "" {
return append([]string(nil), candidates...)
}
matches := make([]string, 0, len(candidates))
for _, candidate := range candidates {
if strings.HasPrefix(candidate, prefix) {
matches = append(matches, candidate)
}
}
if len(matches) > 0 {
return matches
}
lowerPrefix := strings.ToLower(prefix)
for _, candidate := range candidates {
if strings.HasPrefix(strings.ToLower(candidate), lowerPrefix) {
matches = append(matches, candidate)
}
}
return matches
}
func longestCommonPrefix(values []string) string {
if len(values) == 0 {
return ""
}
prefix := values[0]
for _, value := range values[1:] {
for !strings.HasPrefix(value, prefix) && prefix != "" {
prefix = prefix[:len(prefix)-1]
}
if prefix == "" {
return ""
}
}
return prefix
}
func splitFields(line string) []string {
const spaces = " \t\r\n\v\f"
var fields []string
for len(line) > 0 {
i := 0
for i < len(line) && containsByte(spaces, line[i]) {
i++
}
line = line[i:]
if len(line) == 0 {
break
}
i = 0
for i < len(line) && !containsByte(spaces, line[i]) {
i++
}
fields = append(fields, line[:i])
line = line[i:]
}
return fields
}
func containsByte(set string, b byte) bool {
return strings.IndexByte(set, b) >= 0
}

20
splitinput_windows.go Normal file
View File

@ -0,0 +1,20 @@
//go:build windows
package main
import "io"
type splitInput struct{}
func newSplitInput(_ interface{}, _ io.Writer, _ string, _ func([]string) ([]string, []string)) *splitInput {
return &splitInput{}
}
func (s *splitInput) Enter() io.Writer { return nil }
func (s *splitInput) Exit() ([]string, string) { return nil, "" }
func (s *splitInput) SetPrompt(_ string) {}
func (s *splitInput) PopQueue() (string, bool) { return "", false }
func (s *splitInput) EchoQueuedInput(_ string) {}
func (s *splitInput) runQueuedCommand(cmd queuedCommand) string {
_, msg := runQueuedCommand(nil, cmd)
return msg
}