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Make sure MessageLength and MessageSplit work as documented. Fixes #1540

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Wim
2022-02-06 23:25:02 +01:00
parent 7288f71201
commit 52d4705a91
2 changed files with 14 additions and 9 deletions
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8
bridge/helper/helper.go
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@@ -80,10 +80,6 @@ func DownloadFileAuthRocket(url, token, userID string) (*[]byte, error) {
// word boundaries when splitting but this is hard to solve without potentially
// breaking formatting and other stylistic effects.
func GetSubLines(message string, maxLineLength int, clippingMessage string) []string {
if clippingMessage == "" {
clippingMessage = " <clipped message>"
}
var lines []string
for _, line := range strings.Split(strings.TrimSpace(message), "\n") {
if maxLineLength == 0 || len([]byte(line)) <= maxLineLength {
@@ -98,8 +94,8 @@ func GetSubLines(message string, maxLineLength int, clippingMessage string) []st
var splitStart int
var startOfPreviousRune int
for i := range line {
if i-splitStart > maxLineLength-len([]byte(clippingMessage)) {
lines = append(lines, line[splitStart:startOfPreviousRune]+clippingMessage)
if i-splitStart > maxLineLength {
lines = append(lines, line[splitStart:startOfPreviousRune])
splitStart = startOfPreviousRune
}
startOfPreviousRune = i