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author | Daniel Baumann <daniel@debian.org> | 2024-10-18 20:33:49 +0200 |
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committer | Daniel Baumann <daniel@debian.org> | 2024-12-12 23:57:56 +0100 |
commit | e68b9d00a6e05b3a941f63ffb696f91e554ac5ec (patch) | |
tree | 97775d6c13b0f416af55314eb6a89ef792474615 /modules/util/truncate.go | |
parent | Initial commit. (diff) | |
download | forgejo-e68b9d00a6e05b3a941f63ffb696f91e554ac5ec.tar.xz forgejo-e68b9d00a6e05b3a941f63ffb696f91e554ac5ec.zip |
Adding upstream version 9.0.3.
Signed-off-by: Daniel Baumann <daniel@debian.org>
Diffstat (limited to '')
-rw-r--r-- | modules/util/truncate.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/modules/util/truncate.go b/modules/util/truncate.go new file mode 100644 index 0000000..77b116e --- /dev/null +++ b/modules/util/truncate.go @@ -0,0 +1,54 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package util + +import ( + "strings" + "unicode/utf8" +) + +// in UTF8 "…" is 3 bytes so doesn't really gain us anything... +const ( + utf8Ellipsis = "…" + asciiEllipsis = "..." +) + +// SplitStringAtByteN splits a string at byte n accounting for rune boundaries. (Combining characters are not accounted for.) +func SplitStringAtByteN(input string, n int) (left, right string) { + if len(input) <= n { + return input, "" + } + + if !utf8.ValidString(input) { + if n-3 < 0 { + return input, "" + } + return input[:n-3] + asciiEllipsis, asciiEllipsis + input[n-3:] + } + + end := 0 + for end <= n-3 { + _, size := utf8.DecodeRuneInString(input[end:]) + if end+size > n-3 { + break + } + end += size + } + + return input[:end] + utf8Ellipsis, utf8Ellipsis + input[end:] +} + +// SplitTrimSpace splits the string at given separator and trims leading and trailing space +func SplitTrimSpace(input, sep string) []string { + // replace CRLF with LF + input = strings.ReplaceAll(input, "\r\n", "\n") + + var stringList []string + for _, s := range strings.Split(input, sep) { + // trim leading and trailing space + stringList = append(stringList, strings.TrimSpace(s)) + } + + return stringList +} |