Software / code / prosody
Changeset
11895:d278a4c6da7f
util.human.io: Trim any broken UTF-8 from ellipsis
This should fix basic problems with multi-byte UTF-8 sequences getting
cut in the middle.
Down the rabbit hole we go...
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Fri, 12 Nov 2021 12:19:01 +0100 |
| parents | 11894:57106c61d104 |
| children | 11896:93e9f7ae2f9b |
| files | util/human/io.lua |
| diffstat | 1 files changed, 5 insertions(+), 1 deletions(-) [+] |
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line diff
--- a/util/human/io.lua Fri Nov 12 12:14:27 2021 +0100 +++ b/util/human/io.lua Fri Nov 12 12:19:01 2021 +0100 @@ -1,4 +1,5 @@ local array = require "util.array"; +local utf8 = rawget(_G,"utf8") or require"util.encodings".utf8; local function getchar(n) local stty_ret = os.execute("stty raw -echo 2>/dev/null"); @@ -96,7 +97,10 @@ end local function ellipsis(s, width) - return s:sub(1, width-1) .. "…"; + if #s <= width then return s; end + s = s:sub(1, width - 1) + while not utf8.len(s) do s = s:sub(1, -2); end + return s .. "…"; end local function new_table(col_specs, max_width)
