sammyette 2024-04-11 22:54:44 +00:00 committed by GitHub
commit 28c6cb1e70
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9 changed files with 85 additions and 15 deletions

2
go.mod
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@ -1,6 +1,6 @@
module hilbish
go 1.17
go 1.18
require (
github.com/arnodel/golua v0.0.0-20220221163911-dfcf252b6f86

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@ -76,6 +76,8 @@ const (
seqCursorTopLeft = "\x1b[H" // Clears screen and places cursor on top-left
seqGetCursorPos = "\x1b6n" // response: "\x1b{Line};{Column}R"
seqHideCursor = "\x1b[?25l"
seqUnhideCursor = "\x1b[?25h"
seqCtrlLeftArrow = "\x1b[1;5D"
seqCtrlRightArrow = "\x1b[1;5C"

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@ -1,6 +1,7 @@
package readline
import (
// "fmt"
"os"
"regexp"
"strconv"
@ -68,6 +69,40 @@ func (rl *Instance) getCursorPos() (x int, y int) {
// This means that they are not used to keep any reference point when
// when we internally move around clearning and printing things
/*
func moveCursorUpBuffered(i int) {
if i < 1 {
return
}
fmt.Fprintf(rl.bufferedOut, "\x1b[%dA", i)
}
func moveCursorDownBuffered(i int) {
if i < 1 {
return
}
fmt.Fprintf(rl.bufferedOut, "\x1b[%dB", i)
}
func moveCursorForwardsBuffered(i int) {
if i < 1 {
return
}
fmt.Fprintf(rl.bufferedOut, "\x1b[%dC", i)
}
func moveCursorUpBuffered(i int) {
if i < 1 {
return
}
fmt.Fprintf(rl.bufferedOut, "\x1b[%dD", i)
}
*/
func moveCursorUp(i int) {
if i < 1 {
return
@ -100,6 +135,14 @@ func moveCursorBackwards(i int) {
printf("\x1b[%dD", i)
}
func hideCursor() {
print(seqHideCursor)
}
func unhideCursor() {
print(seqUnhideCursor)
}
func (rl *Instance) backspace(forward bool) {
if len(rl.line) == 0 || rl.pos == 0 {
return

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@ -1,6 +1,6 @@
module github.com/maxlandon/readline
go 1.16
go 1.18
require (
github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d

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@ -1,6 +1,7 @@
package readline
import (
"bufio"
"os"
"regexp"
"sync"
@ -203,6 +204,8 @@ type Instance struct {
ViActionCallback func(ViAction, []string)
RawInputCallback func([]rune) // called on all input
bufferedOut *bufio.Writer
}
// NewInstance is used to create a readline instance and initialise it with sane defaults.
@ -251,6 +254,8 @@ func NewInstance() *Instance {
return suggs
}
rl.bufferedOut = bufio.NewWriter(os.Stdout)
// Registers
rl.initRegisters()

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@ -33,19 +33,21 @@ func (rl *Instance) GetLine() []rune {
func (rl *Instance) echo() {
// Then we print the prompt, and the line,
hideCursor()
switch {
case rl.PasswordMask != 0:
case rl.PasswordMask > 0:
print(strings.Repeat(string(rl.PasswordMask), len(rl.line)) + " ")
rl.bufprint(strings.Repeat(string(rl.PasswordMask), len(rl.line)) + " ")
default:
// Go back to prompt position, and clear everything below
moveCursorBackwards(GetTermWidth())
moveCursorUp(rl.posY)
print(seqClearScreenBelow)
rl.bufprint(seqClearScreenBelow)
// Print the prompt
print(string(rl.realPrompt))
rl.bufprint(string(rl.realPrompt))
// Assemble the line, taking virtual completions into account
var line []rune
@ -57,11 +59,13 @@ func (rl *Instance) echo() {
// Print the input line with optional syntax highlighting
if rl.SyntaxHighlighter != nil {
print(rl.SyntaxHighlighter(line))
rl.bufprint(rl.SyntaxHighlighter(line))
} else {
print(string(line))
rl.bufprint(string(line))
}
}
rl.bufflush()
// Update references with new coordinates only now, because
// the new line may be longer/shorter than the previous one.
@ -72,6 +76,7 @@ func (rl *Instance) echo() {
moveCursorUp(rl.fullY)
moveCursorDown(rl.posY)
moveCursorForwards(rl.posX)
unhideCursor()
}
func (rl *Instance) insert(r []rune) {
@ -159,7 +164,7 @@ func (rl *Instance) clearLine() {
moveCursorForwards(rl.promptLen)
// Clear everything after & below the cursor
print(seqClearScreenBelow)
//print(seqClearScreenBelow)
// Real input line
rl.line = []rune{}

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@ -48,7 +48,7 @@ func (rl *Instance) RefreshPromptLog(log string) (err error) {
rl.stillOnRefresh = true
moveCursorUp(rl.infoY + rl.tcUsedY)
moveCursorBackwards(GetTermWidth())
print("\r\n" + seqClearScreenBelow)
//print("\r\n" + seqClearScreenBelow)
// Print the log
fmt.Printf(log)
@ -97,7 +97,7 @@ func (rl *Instance) RefreshPromptInPlace(prompt string) (err error) {
print(seqClearLine)
moveCursorUp(rl.infoY + rl.tcUsedY)
moveCursorBackwards(GetTermWidth())
print("\r\n" + seqClearScreenBelow)
//print("\r\n" + seqClearScreenBelow)
// Add a new line if needed
if rl.Multiline {
@ -137,7 +137,7 @@ func (rl *Instance) RefreshPromptCustom(prompt string, offset int, clearLine boo
moveCursorUp(offset)
// Then clear everything below our new position
print(seqClearScreenBelow)
//print(seqClearScreenBelow)
// Update the prompt if a special has been passed.
if prompt != "" {

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@ -276,13 +276,14 @@ func (rl *Instance) writeTabCompletion() {
// than what their MaxLength allows them to, cycling sometimes occur,
// but does not fully clears itself: some descriptions are messed up with.
// We always clear the screen as a result, between writings.
print(seqClearScreenBelow)
//rl.bufprint(seqClearScreenBelow)
// Crop the completions so that it fits within our MaxTabCompleterRows
completions, rl.tcUsedY = rl.cropCompletions(completions)
// Then we print all of them.
fmt.Printf(completions)
rl.bufprintF(completions)
rl.bufflush()
}
// cropCompletions - When the user cycles through a completion list longer

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@ -1,6 +1,7 @@
package readline
import (
"fmt"
"strings"
"golang.org/x/text/width"
@ -10,7 +11,7 @@ import (
// it should coordinate reprinting the input line, any Infos and completions
// and manage to get back to the current (computed) cursor coordinates
func (rl *Instance) updateHelpers() {
print(seqHideCursor)
// Load all Infos & completions before anything.
// Thus overwrites anything having been dirtily added/forced/modified, like rl.SetInfoText()
rl.getInfoText()
@ -27,6 +28,7 @@ func (rl *Instance) updateHelpers() {
// We are at the prompt line (with the latter
// not printed yet), then reprint everything
rl.renderHelpers()
print(seqUnhideCursor)
}
const tabWidth = 4
@ -119,7 +121,7 @@ func (rl *Instance) clearHelpers() {
moveCursorForwards(rl.fullX)
// Clear everything below
print(seqClearScreenBelow)
//print(seqClearScreenBelow)
// Go back to current cursor position
moveCursorBackwards(GetTermWidth())
@ -194,3 +196,15 @@ func (rl *Instance) renderHelpers() {
moveCursorUp(rl.fullY - rl.posY)
moveCursorForwards(rl.posX)
}
func (rl *Instance) bufprintF(format string, a ...any) {
fmt.Fprintf(rl.bufferedOut, format, a...)
}
func (rl *Instance) bufprint(text string) {
fmt.Fprint(rl.bufferedOut, text)
}
func (rl *Instance) bufflush() {
rl.bufferedOut.Flush()
}