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Fix various bugs (1.24) (#35186)
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Browse Source 
Backport #35177, #35183
This commit is contained in:
wxiaoguang
2025-07-31 12:04:47 +08:00
committed by GitHub
parent d05cf08fad
commit 9162f4403a
17 changed files with 124 additions and 69 deletions
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20
modules/util/truncate.go
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@ -19,7 +19,7 @@ func IsLikelyEllipsisLeftPart(s string) bool {
return strings.HasSuffix(s, utf8Ellipsis) || strings.HasSuffix(s, asciiEllipsis)
}
func ellipsisGuessDisplayWidth(r rune) int {
func ellipsisDisplayGuessWidth(r rune) int {
// To make the truncated string as long as possible,
// CJK/emoji chars are considered as 2-ASCII width but not 3-4 bytes width.
// Here we only make the best guess (better than counting them in bytes),
@ -48,13 +48,17 @@ func ellipsisGuessDisplayWidth(r rune) int {
// It appends "…" or "..." at the end of truncated string.
// It guarantees the length of the returned runes doesn't exceed the limit.
func EllipsisDisplayString(str string, limit int) string {
s, _, _, _ := ellipsisDisplayString(str, limit)
s, _, _, _ := ellipsisDisplayString(str, limit, ellipsisDisplayGuessWidth)
return s
}
// EllipsisDisplayStringX works like EllipsisDisplayString while it also returns the right part
func EllipsisDisplayStringX(str string, limit int) (left, right string) {
left, offset, truncated, encounterInvalid := ellipsisDisplayString(str, limit)
return ellipsisDisplayStringX(str, limit, ellipsisDisplayGuessWidth)
}
func ellipsisDisplayStringX(str string, limit int, widthGuess func(rune) int) (left, right string) {
left, offset, truncated, encounterInvalid := ellipsisDisplayString(str, limit, widthGuess)
if truncated {
right = str[offset:]
r, _ := utf8.DecodeRune(UnsafeStringToBytes(right))
@ -68,7 +72,7 @@ func EllipsisDisplayStringX(str string, limit int) (left, right string) {
return left, right
}
func ellipsisDisplayString(str string, limit int) (res string, offset int, truncated, encounterInvalid bool) {
func ellipsisDisplayString(str string, limit int, widthGuess func(rune) int) (res string, offset int, truncated, encounterInvalid bool) {
if len(str) <= limit {
return str, len(str), false, false
}
@ -81,7 +85,7 @@ func ellipsisDisplayString(str string, limit int) (res string, offset int, trunc
for i, r := range str {
encounterInvalid = encounterInvalid || r == utf8.RuneError
pos = i
runeWidth := ellipsisGuessDisplayWidth(r)
runeWidth := widthGuess(r)
if used+runeWidth+3 > limit {
break
}
@ -96,7 +100,7 @@ func ellipsisDisplayString(str string, limit int) (res string, offset int, trunc
if nextCnt >= 4 {
break
}
nextWidth += ellipsisGuessDisplayWidth(r)
nextWidth += widthGuess(r)
nextCnt++
}
if nextCnt <= 3 && used+nextWidth <= limit {
@ -114,6 +118,10 @@ func ellipsisDisplayString(str string, limit int) (res string, offset int, trunc
return str[:offset] + ellipsis, offset, true, encounterInvalid
}
func EllipsisTruncateRunes(str string, limit int) (left, right string) {
return ellipsisDisplayStringX(str, limit, func(r rune) int { return 1 })
}
// TruncateRunes returns a truncated string with given rune limit,
// it returns input string if its rune length doesn't exceed the limit.
func TruncateRunes(str string, limit int) string {