Software / code / prosody-modules
Diff
mod_pastebin/mod_pastebin.lua @ 3031:040eaa3844f4
mod_pastebin: Check line length via preconstructed pattern instead of gsub
Optimization on the theory that this check scales with the configuration
option instead of with the size of the user-supplied message
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sun, 20 May 2018 17:55:53 +0200 |
| parent | 3030:4a7f08fe793c |
| child | 3032:0f2dd6397569 |
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--- a/mod_pastebin/mod_pastebin.lua Sun May 20 17:54:47 2018 +0200 +++ b/mod_pastebin/mod_pastebin.lua Sun May 20 17:55:53 2018 +0200 @@ -89,6 +89,8 @@ end end +local line_count_pattern = string.rep("[^\n]\n", line_threshold):sub(1, -2); + function check_message(data) local origin, stanza = data.origin, data.stanza; @@ -109,8 +111,7 @@ if ( #body > length_threshold and utf8_length(body) > length_threshold ) or (trigger_string and body:find(trigger_string, 1, true) == 1) or - (select(2, body:gsub("\n", "%0")) >= line_threshold) - then + body:find(line_count_pattern) then if trigger_string and body:sub(1, #trigger_string) == trigger_string then body = body:sub(#trigger_string+1); end
