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