From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 26 May 2017 16:04:12 +0000 (+0100)
Subject: [Minor] Add string trimming routine
X-Git-Tag: 1.6.0~130
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=6ddb09bcb717d87da029af2598a0c1a98b60b0d5;p=rspamd.git

[Minor] Add string trimming routine
---

diff --git a/lualib/lua_util.lua b/lualib/lua_util.lua
index 755773ea4..2ae4e69b1 100644
--- a/lualib/lua_util.lua
+++ b/lualib/lua_util.lua
@@ -1,8 +1,8 @@
 local exports = {}
+local lpeg = require 'lpeg'
 
 local split_grammar = {}
 exports.rspamd_str_split = function(s, sep)
-  local lpeg = require "lpeg"
   local gr = split_grammar[sep]
 
   if not gr then
@@ -16,4 +16,12 @@ exports.rspamd_str_split = function(s, sep)
   return gr:match(s)
 end
 
+local space = lpeg.S' \t\n\v\f\r'
+local nospace = 1 - space
+local ptrim = space^0 * lpeg.C((space^0 * nospace^1)^0)
+local match = lpeg.match
+exports.rspamd_str_trim = function(s)
+  return match(ptrim, s)
+end
+
 return exports