54 lines
1.1 KiB
Lua
54 lines
1.1 KiB
Lua
----------------------------------------------------------
|
|
-- Licensed under the GNU General Public License version 2
|
|
-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
|
|
----------------------------------------------------------
|
|
|
|
-- {{{ Grab environment
|
|
local pairs = pairs
|
|
local string = {
|
|
sub = string.sub,
|
|
gsub = string.gsub
|
|
}
|
|
-- }}}
|
|
|
|
|
|
-- Helpers: provides helper functions for vicious widgets
|
|
module("vicious.helpers")
|
|
|
|
|
|
-- {{{ Format a string with args
|
|
function format(format, args)
|
|
for var, val in pairs(args) do
|
|
format = string.gsub(format, "$" .. var, val)
|
|
end
|
|
|
|
return format
|
|
end
|
|
-- }}}
|
|
|
|
--{{{ Escape a string
|
|
function escape(text)
|
|
local xml_entities = {
|
|
["\""] = """,
|
|
["&"] = "&",
|
|
["'"] = "'",
|
|
["<"] = "<",
|
|
[">"] = ">"
|
|
}
|
|
|
|
return text and text:gsub("[\"&'<>]", xml_entities)
|
|
end
|
|
-- }}}
|
|
|
|
--{{{ Truncate a string
|
|
function truncate(text, maxlen)
|
|
local txtlen = text:len()
|
|
|
|
if txtlen > maxlen then
|
|
text = text:sub(1, maxlen - 3) .. "..."
|
|
end
|
|
|
|
return text
|
|
end
|
|
-- }}}
|