chore: make deps

This commit is contained in:
2025-11-11 14:18:57 +01:00
parent db7c4042d0
commit 45af67d22d
590 changed files with 22837 additions and 16387 deletions

View File

@ -39,9 +39,9 @@ func relativeCursorMove(s *Screen, fx, fy, tx, ty int, overwrite, useTabs, useBa
var seq strings.Builder
width, height := s.newbuf.Width(), s.newbuf.Height()
if ty != fy {
if ty != fy { //nolint:nestif
var yseq string
if s.xtermLike && !s.opts.RelativeCursor {
if s.caps.Contains(capVPA) && !s.opts.RelativeCursor {
yseq = ansi.VerticalPositionAbsolute(ty + 1)
}
@ -54,9 +54,13 @@ func relativeCursorMove(s *Screen, fx, fy, tx, ty int, overwrite, useTabs, useBa
}
shouldScroll := !s.opts.AltScreen && fy+n >= s.scrollHeight
if lf := strings.Repeat("\n", n); shouldScroll || (fy+n < height && len(lf) < len(yseq)) {
//nolint:godox
// TODO: Ensure we're not unintentionally scrolling the screen down.
yseq = lf
s.scrollHeight = max(s.scrollHeight, fy+n)
if s.opts.MapNL {
fx = 0
}
}
} else if ty < fy {
n := fy - ty
@ -64,6 +68,7 @@ func relativeCursorMove(s *Screen, fx, fy, tx, ty int, overwrite, useTabs, useBa
yseq = cuu
}
if n == 1 && fy-1 > 0 {
//nolint:godox
// TODO: Ensure we're not unintentionally scrolling the screen up.
yseq = ansi.ReverseIndex
}
@ -72,9 +77,9 @@ func relativeCursorMove(s *Screen, fx, fy, tx, ty int, overwrite, useTabs, useBa
seq.WriteString(yseq)
}
if tx != fx {
if tx != fx { //nolint:nestif
var xseq string
if s.xtermLike && !s.opts.RelativeCursor {
if s.caps.Contains(capHPA) && !s.opts.RelativeCursor {
xseq = ansi.HorizontalPositionAbsolute(tx + 1)
}
@ -93,7 +98,8 @@ func relativeCursorMove(s *Screen, fx, fy, tx, ty int, overwrite, useTabs, useBa
if tabs > 0 {
cht := ansi.CursorHorizontalForwardTab(tabs)
tab := strings.Repeat("\t", tabs)
if false && s.xtermLike && len(cht) < len(tab) {
if false && s.caps.Contains(capCHT) && len(cht) < len(tab) {
//nolint:godox
// TODO: The linux console and some terminals such as
// Alacritty don't support [ansi.CHT]. Enable this when
// we have a way to detect this, or after 5 years when
@ -144,7 +150,7 @@ func relativeCursorMove(s *Screen, fx, fy, tx, ty int, overwrite, useTabs, useBa
}
} else if tx < fx {
n := fx - tx
if useTabs && s.xtermLike {
if useTabs && s.caps.Contains(capCBT) {
// VT100 does not support backward tabs [ansi.CBT].
col := fx
@ -190,7 +196,7 @@ func moveCursor(s *Screen, x, y int, overwrite bool) (seq string) {
// Method #0: Use [ansi.CUP] if the distance is long.
seq = ansi.CursorPosition(x+1, y+1)
if fx == -1 || fy == -1 || notLocal(s.newbuf.Width(), fx, fy, x, y) {
return
return seq
}
}
@ -234,7 +240,7 @@ func moveCursor(s *Screen, x, y int, overwrite bool) (seq string) {
}
}
return
return seq
}
// moveCursor moves the cursor to the specified position.
@ -242,10 +248,10 @@ func (s *Screen) moveCursor(x, y int, overwrite bool) {
if !s.opts.AltScreen && s.cur.X == -1 && s.cur.Y == -1 {
// First cursor movement in inline mode, move the cursor to the first
// column before moving to the target position.
s.buf.WriteByte('\r') //nolint:errcheck
s.buf.WriteByte('\r')
s.cur.X, s.cur.Y = 0, 0
}
s.buf.WriteString(moveCursor(s, x, y, overwrite)) //nolint:errcheck
s.buf.WriteString(moveCursor(s, x, y, overwrite))
s.cur.X, s.cur.Y = x, y
}
@ -274,10 +280,11 @@ func (s *Screen) move(x, y int) {
// Reset wrap around (phantom cursor) state
if s.atPhantom {
s.cur.X = 0
s.buf.WriteByte('\r') //nolint:errcheck
s.atPhantom = false // reset phantom cell state
s.buf.WriteByte('\r')
s.atPhantom = false // reset phantom cell state
}
//nolint:godox
// TODO: Investigate if we need to handle this case and/or if we need the
// following code.
//
@ -291,7 +298,7 @@ func (s *Screen) move(x, y int) {
//
// if l > 0 {
// s.cur.X = 0
// s.buf.WriteString("\r" + strings.Repeat("\n", l)) //nolint:errcheck
// s.buf.WriteString("\r" + strings.Repeat("\n", l))
// }
// }
@ -339,6 +346,10 @@ type ScreenOptions struct {
HardTabs bool
// Backspace is whether to use backspace characters to move the cursor.
Backspace bool
// MapNL whether we have ONLCR mapping enabled. When we set the terminal to
// raw mode, the ONLCR mode gets disabled. ONLCR maps any newline/linefeed
// (`\n`) character to carriage return + line feed (`\r\n`).
MapNL bool
}
// lineData represents the metadata for a line.
@ -365,13 +376,13 @@ type Screen struct {
opts ScreenOptions
mu sync.Mutex
method ansi.Method
scrollHeight int // keeps track of how many lines we've scrolled down (inline mode)
altScreenMode bool // whether alternate screen mode is enabled
cursorHidden bool // whether text cursor mode is enabled
clear bool // whether to force clear the screen
xtermLike bool // whether to use xterm-like optimizations, otherwise, it uses vt100 only
queuedText bool // whether we have queued non-zero width text queued up
atPhantom bool // whether the cursor is out of bounds and at a phantom cell
scrollHeight int // keeps track of how many lines we've scrolled down (inline mode)
altScreenMode bool // whether alternate screen mode is enabled
cursorHidden bool // whether text cursor mode is enabled
clear bool // whether to force clear the screen
caps capabilities // terminal control sequence capabilities
queuedText bool // whether we have queued non-zero width text queued up
atPhantom bool // whether the cursor is out of bounds and at a phantom cell
}
// SetMethod sets the method used to calculate the width of cells.
@ -491,36 +502,77 @@ func (s *Screen) FillRect(cell *Cell, r Rectangle) bool {
return true
}
// isXtermLike returns whether the terminal is xterm-like. This means that the
// capabilities represents a mask of supported ANSI escape sequences.
type capabilities uint
const (
// Vertical Position Absolute [ansi.VPA].
capVPA capabilities = 1 << iota
// Horizontal Position Absolute [ansi.HPA].
capHPA
// Cursor Horizontal Tab [ansi.CHT].
capCHT
// Cursor Backward Tab [ansi.CBT].
capCBT
// Repeat Previous Character [ansi.REP].
capREP
// Erase Character [ansi.ECH].
capECH
// Insert Character [ansi.ICH].
capICH
// Scroll Down [ansi.SD].
capSD
// Scroll Up [ansi.SU].
capSU
noCaps capabilities = 0
allCaps = capVPA | capHPA | capCHT | capCBT | capREP | capECH | capICH |
capSD | capSU
)
// Contains returns whether the capabilities contains the given capability.
func (v capabilities) Contains(c capabilities) bool {
return v&c == c
}
// xtermCaps returns whether the terminal is xterm-like. This means that the
// terminal supports ECMA-48 and ANSI X3.64 escape sequences.
// TODO: Should this be a lookup table into each $TERM terminfo database? Like
// we could keep a map of ANSI escape sequence to terminfo capability name and
// check if the database supports the escape sequence. Instead of keeping a
// list of terminal names here.
func isXtermLike(termtype string) (v bool) {
// xtermCaps returns a list of control sequence capabilities for the given
// terminal type. This only supports a subset of sequences that can
// be different among terminals.
// NOTE: A hybrid approach would be to support Terminfo databases for a full
// set of capabilities.
func xtermCaps(termtype string) (v capabilities) {
parts := strings.Split(termtype, "-")
if len(parts) == 0 {
return
return v
}
switch parts[0] {
case
"alacritty",
"contour",
"foot",
"ghostty",
"kitty",
"linux",
"rio",
"screen",
"st",
"tmux",
"wezterm",
"xterm":
v = true
v = allCaps
case "alacritty":
v = allCaps
v &^= capCHT // NOTE: alacritty added support for [ansi.CHT] in 2024-12-28 #62d5b13.
case "screen":
// See https://www.gnu.org/software/screen/manual/screen.html#Control-Sequences-1
v = allCaps
v &^= capREP
case "linux":
// See https://man7.org/linux/man-pages/man4/console_codes.4.html
v = capVPA | capHPA | capECH | capICH
}
return
return v
}
// NewScreen creates a new Screen.
@ -548,14 +600,14 @@ func NewScreen(w io.Writer, width, height int, opts *ScreenOptions) (s *Screen)
}
s.buf = new(bytes.Buffer)
s.xtermLike = isXtermLike(s.opts.Term)
s.caps = xtermCaps(s.opts.Term)
s.curbuf = NewBuffer(width, height)
s.newbuf = NewBuffer(width, height)
s.cur = Cursor{Position: Pos(-1, -1)} // start at -1 to force a move
s.saved = s.cur
s.reset()
return
return s
}
// Width returns the width of the screen.
@ -595,7 +647,7 @@ func (s *Screen) putCell(cell *Cell) {
// wrapCursor wraps the cursor to the next line.
//
//nolint:unused
func (s *Screen) wrapCursor() {
const autoRightMargin = true
if autoRightMargin {
@ -628,9 +680,9 @@ func (s *Screen) putAttrCell(cell *Cell) {
}
s.updatePen(cell)
s.buf.WriteRune(cell.Rune) //nolint:errcheck
s.buf.WriteRune(cell.Rune)
for _, c := range cell.Comb {
s.buf.WriteRune(c) //nolint:errcheck
s.buf.WriteRune(c)
}
s.cur.X += cell.Width
@ -649,12 +701,12 @@ func (s *Screen) putCellLR(cell *Cell) {
// Optimize for the lower right corner cell.
curX := s.cur.X
if cell == nil || !cell.Empty() {
s.buf.WriteString(ansi.ResetAutoWrapMode) //nolint:errcheck
s.buf.WriteString(ansi.ResetModeAutoWrap)
s.putAttrCell(cell)
// Writing to lower-right corner cell should not wrap.
s.atPhantom = false
s.cur.X = curX
s.buf.WriteString(ansi.SetAutoWrapMode) //nolint:errcheck
s.buf.WriteString(ansi.SetModeAutoWrap)
}
}
@ -675,11 +727,11 @@ func (s *Screen) updatePen(cell *Cell) {
if cell.Style.Empty() && len(seq) > len(ansi.ResetStyle) {
seq = ansi.ResetStyle
}
s.buf.WriteString(seq) //nolint:errcheck
s.buf.WriteString(seq)
s.cur.Style = cell.Style
}
if !cell.Link.Equal(&s.cur.Link) {
s.buf.WriteString(ansi.SetHyperlink(cell.Link.URL, cell.Link.Params)) //nolint:errcheck
s.buf.WriteString(ansi.SetHyperlink(cell.Link.URL, cell.Link.Params))
s.cur.Link = cell.Link
}
}
@ -712,9 +764,9 @@ func (s *Screen) emitRange(line Line, n int) (eoi bool) {
ech := ansi.EraseCharacter(count)
cup := ansi.CursorPosition(s.cur.X+count, s.cur.Y)
rep := ansi.RepeatPreviousCharacter(count)
if s.xtermLike && count > len(ech)+len(cup) && cell0 != nil && cell0.Clear() {
if s.caps.Contains(capECH) && count > len(ech)+len(cup) && cell0 != nil && cell0.Clear() { //nolint:nestif
s.updatePen(cell0)
s.buf.WriteString(ech) //nolint:errcheck
s.buf.WriteString(ech)
// If this is the last cell, we don't need to move the cursor.
if count < n {
@ -722,7 +774,7 @@ func (s *Screen) emitRange(line Line, n int) (eoi bool) {
} else {
return true // cursor in the middle
}
} else if s.xtermLike && count > len(rep) &&
} else if s.caps.Contains(capREP) && count > len(rep) &&
(cell0 == nil || (len(cell0.Comb) == 0 && cell0.Rune < 256)) {
// We only support ASCII characters. Most terminals will handle
// non-ASCII characters correctly, but some might not, ahem xterm.
@ -740,13 +792,13 @@ func (s *Screen) emitRange(line Line, n int) (eoi bool) {
s.putCell(cell0)
repCount-- // cell0 is a single width cell ASCII character
s.buf.WriteString(ansi.RepeatPreviousCharacter(repCount)) //nolint:errcheck
s.buf.WriteString(ansi.RepeatPreviousCharacter(repCount))
s.cur.X += repCount
if wrapPossible {
s.putCell(cell0)
}
} else {
for i := 0; i < count; i++ {
for i := range count {
s.putCell(line.At(i))
}
}
@ -755,7 +807,7 @@ func (s *Screen) emitRange(line Line, n int) (eoi bool) {
n -= count
}
return
return eoi
}
// putRange puts a range of cells from the old line to the new line.
@ -765,7 +817,7 @@ func (s *Screen) putRange(oldLine, newLine Line, y, start, end int) (eoi bool) {
inline := min(len(ansi.CursorPosition(start+1, y+1)),
min(len(ansi.HorizontalPositionAbsolute(start+1)),
len(ansi.CursorForward(start+1))))
if (end - start + 1) > inline {
if (end - start + 1) > inline { //nolint:nestif
var j, same int
for j, same = start, 0; j <= end; j++ {
oldCell, newCell := oldLine.At(j), newLine.At(j)
@ -817,9 +869,9 @@ func (s *Screen) clearToEnd(blank *Cell, force bool) { //nolint:unparam
s.updatePen(blank)
count := s.newbuf.Width() - s.cur.X
if s.el0Cost() <= count {
s.buf.WriteString(ansi.EraseLineRight) //nolint:errcheck
s.buf.WriteString(ansi.EraseLineRight)
} else {
for i := 0; i < count; i++ {
for range count {
s.putCell(blank)
}
}
@ -839,12 +891,13 @@ func (s *Screen) clearBlank() *Cell {
// insertCells inserts the count cells pointed by the given line at the current
// cursor position.
func (s *Screen) insertCells(line Line, count int) {
if s.xtermLike {
supportsICH := s.caps.Contains(capICH)
if supportsICH {
// Use [ansi.ICH] as an optimization.
s.buf.WriteString(ansi.InsertCharacter(count)) //nolint:errcheck
s.buf.WriteString(ansi.InsertCharacter(count))
} else {
// Otherwise, use [ansi.IRM] mode.
s.buf.WriteString(ansi.SetInsertReplaceMode) //nolint:errcheck
s.buf.WriteString(ansi.SetModeInsertReplace)
}
for i := 0; count > 0; i++ {
@ -852,8 +905,8 @@ func (s *Screen) insertCells(line Line, count int) {
count--
}
if !s.xtermLike {
s.buf.WriteString(ansi.ResetInsertReplaceMode) //nolint:errcheck
if !supportsICH {
s.buf.WriteString(ansi.ResetModeInsertReplace)
}
}
@ -862,7 +915,7 @@ func (s *Screen) insertCells(line Line, count int) {
// [ansi.EL] 0 i.e. [ansi.EraseLineRight] to clear
// trailing spaces.
func (s *Screen) el0Cost() int {
if s.xtermLike {
if s.caps != noCaps {
return 0
}
return len(ansi.EraseLineRight)
@ -878,7 +931,7 @@ func (s *Screen) transformLine(y int) {
// Find the first changed cell in the line
var lineChanged bool
for i := 0; i < s.newbuf.Width(); i++ {
for i := range s.newbuf.Width() {
if !cellEqual(newLine.At(i), oldLine.At(i)) {
lineChanged = true
break
@ -886,7 +939,7 @@ func (s *Screen) transformLine(y int) {
}
const ceolStandoutGlitch = false
if ceolStandoutGlitch && lineChanged {
if ceolStandoutGlitch && lineChanged { //nolint:nestif
s.move(0, y)
s.clearToEnd(nil, false)
s.putRange(oldLine, newLine, y, 0, s.newbuf.Width()-1)
@ -897,12 +950,12 @@ func (s *Screen) transformLine(y int) {
// [ansi.EraseLineLeft].
if blank == nil || blank.Clear() {
var oFirstCell, nFirstCell int
for oFirstCell = 0; oFirstCell < s.curbuf.Width(); oFirstCell++ {
for oFirstCell = range s.curbuf.Width() {
if !cellEqual(oldLine.At(oFirstCell), blank) {
break
}
}
for nFirstCell = 0; nFirstCell < s.newbuf.Width(); nFirstCell++ {
for nFirstCell = range s.newbuf.Width() {
if !cellEqual(newLine.At(nFirstCell), blank) {
break
}
@ -925,11 +978,11 @@ func (s *Screen) transformLine(y int) {
if nFirstCell >= s.newbuf.Width() {
s.move(0, y)
s.updatePen(blank)
s.buf.WriteString(ansi.EraseLineRight) //nolint:errcheck
s.buf.WriteString(ansi.EraseLineRight)
} else {
s.move(nFirstCell-1, y)
s.updatePen(blank)
s.buf.WriteString(ansi.EraseLineLeft) //nolint:errcheck
s.buf.WriteString(ansi.EraseLineLeft)
}
for firstCell < nFirstCell {
@ -1045,7 +1098,7 @@ func (s *Screen) transformLine(y int) {
s.move(n+1, y)
ichCost := 3 + nLastCell - oLastCell
if s.xtermLike && (nLastCell < nLastNonBlank || ichCost > (m-n)) {
if s.caps.Contains(capICH) && (nLastCell < nLastNonBlank || ichCost > (m-n)) {
s.putRange(oldLine, newLine, y, n+1, m)
} else {
s.insertCells(newLine[n+1:], nLastCell-oLastCell)
@ -1079,7 +1132,7 @@ func (s *Screen) transformLine(y int) {
func (s *Screen) deleteCells(count int) {
// [ansi.DCH] will shift in cells from the right margin so we need to
// ensure that they are the right style.
s.buf.WriteString(ansi.DeleteCharacter(count)) //nolint:errcheck
s.buf.WriteString(ansi.DeleteCharacter(count))
}
// clearToBottom clears the screen from the current cursor position to the end
@ -1091,7 +1144,7 @@ func (s *Screen) clearToBottom(blank *Cell) {
}
s.updatePen(blank)
s.buf.WriteString(ansi.EraseScreenBelow) //nolint:errcheck
s.buf.WriteString(ansi.EraseScreenBelow)
// Clear the rest of the current line
s.curbuf.ClearRect(Rect(col, row, s.curbuf.Width()-col, 1))
// Clear everything below the current line
@ -1104,7 +1157,7 @@ func (s *Screen) clearToBottom(blank *Cell) {
// It returns the top line.
func (s *Screen) clearBottom(total int) (top int) {
if total <= 0 {
return
return top
}
top = total
@ -1112,7 +1165,7 @@ func (s *Screen) clearBottom(total int) (top int) {
blank := s.clearBlank()
canClearWithBlank := blank == nil || blank.Clear()
if canClearWithBlank {
if canClearWithBlank { //nolint:nestif
var row int
for row = total - 1; row >= 0; row-- {
oldLine := s.curbuf.Line(row)
@ -1147,14 +1200,14 @@ func (s *Screen) clearBottom(total int) (top int) {
}
}
return
return top
}
// clearScreen clears the screen and put cursor at home.
func (s *Screen) clearScreen(blank *Cell) {
s.updatePen(blank)
s.buf.WriteString(ansi.CursorHomePosition) //nolint:errcheck
s.buf.WriteString(ansi.EraseEntireScreen) //nolint:errcheck
s.buf.WriteString(ansi.CursorHomePosition)
s.buf.WriteString(ansi.EraseEntireScreen)
s.cur.X, s.cur.Y = 0, 0
s.curbuf.Fill(blank)
}
@ -1179,7 +1232,7 @@ func (s *Screen) clearUpdate() {
s.clearBelow(blank, 0)
}
nonEmpty = s.clearBottom(nonEmpty)
for i := 0; i < nonEmpty; i++ {
for i := range nonEmpty {
s.transformLine(i)
}
}
@ -1194,13 +1247,13 @@ func (s *Screen) Flush() (err error) {
func (s *Screen) flush() (err error) {
// Write the buffer
if s.buf.Len() > 0 {
_, err = s.w.Write(s.buf.Bytes()) //nolint:errcheck
_, err = s.w.Write(s.buf.Bytes())
if err == nil {
s.buf.Reset()
}
}
return
return err //nolint:wrapcheck
}
// Render renders changes of the screen to the internal buffer. Call
@ -1221,6 +1274,7 @@ func (s *Screen) render() {
return
}
//nolint:godox
// TODO: Investigate whether this is necessary. Theoretically, terminals
// can add/remove tab stops and we should be able to handle that. We could
// use [ansi.DECTABSR] to read the tab stops, but that's not implemented in
@ -1235,9 +1289,9 @@ func (s *Screen) render() {
// Do we need alt-screen mode?
if s.opts.AltScreen != s.altScreenMode {
if s.opts.AltScreen {
s.buf.WriteString(ansi.SetAltScreenSaveCursorMode)
s.buf.WriteString(ansi.SetModeAltScreenSaveCursor)
} else {
s.buf.WriteString(ansi.ResetAltScreenSaveCursorMode)
s.buf.WriteString(ansi.ResetModeAltScreenSaveCursor)
}
s.altScreenMode = s.opts.AltScreen
}
@ -1252,7 +1306,9 @@ func (s *Screen) render() {
// Do we have queued strings to write above the screen?
if len(s.queueAbove) > 0 {
//nolint:godox
// TODO: Use scrolling region if available.
//nolint:godox
// TODO: Use [Screen.Write] [io.Writer] interface.
// We need to scroll the screen up by the number of lines in the queue.
@ -1290,12 +1346,13 @@ func (s *Screen) render() {
s.clearBelow(nil, s.newbuf.Height()-1)
}
if s.clear {
if s.clear { //nolint:nestif
s.clearUpdate()
s.clear = false
} else if len(s.touch) > 0 {
if s.opts.AltScreen {
// Optimize scrolling for the alternate screen buffer.
//nolint:godox
// TODO: Should we optimize for inline mode as well? If so, we need
// to know the actual cursor position to use [ansi.DECSTBM].
s.scrollOptimize()
@ -1311,7 +1368,7 @@ func (s *Screen) render() {
}
nonEmpty = s.clearBottom(nonEmpty)
for i = 0; i < nonEmpty; i++ {
for i = range nonEmpty {
_, ok := s.touch[i]
if ok {
s.transformLine(i)
@ -1359,7 +1416,7 @@ func (s *Screen) Close() (err error) {
s.move(0, s.newbuf.Height()-1)
if s.altScreenMode {
s.buf.WriteString(ansi.ResetAltScreenSaveCursorMode)
s.buf.WriteString(ansi.ResetModeAltScreenSaveCursor)
s.altScreenMode = false
}
@ -1371,11 +1428,11 @@ func (s *Screen) Close() (err error) {
// Write the buffer
err = s.flush()
if err != nil {
return
return err
}
s.reset()
return
return err
}
// reset resets the screen to its initial state.
@ -1420,9 +1477,9 @@ func (s *Screen) Resize(width, height int) bool {
}
if height > oldh {
s.ClearRect(Rect(0, max(oldh-1, 0), width, height-oldh))
s.ClearRect(Rect(0, max(oldh, 0), width, height-oldh))
} else if height < oldh {
s.ClearRect(Rect(0, max(height-1, 0), width, oldh-height))
s.ClearRect(Rect(0, max(height, 0), width, oldh-height))
}
s.mu.Lock()