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|
----------------------------------------------------------
-- Licensed under the GNU General Public License version 2
-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
----------------------------------------------------------
-- {{{ Grab environment
local pairs = pairs
local tonumber = tonumber
local tostring = tostring
local table = { insert = table.insert }
local math = {
pow = math.pow,
floor = math.floor
}
local string = {
sub = string.sub,
gsub = string.gsub,
find = string.find
}
-- }}}
-- Helpers: provides helper functions for vicious widgets
module("vicious.helpers")
-- {{{ Helper functions
-- {{{ Format a string with args
function format(format, args)
-- TODO: Find a more efficient way to do this
-- Format a string
for var, val in pairs(args) do
format = string.gsub(format, "$"..var, val)
end
-- Return formatted string
return format
end
-- }}}
-- {{{ Padd a number to a minimum amount of digits
function padd(number, padding)
s = tostring(number)
if padding == nil then
return s
end
for i=1, padding do
if math.floor(number/math.pow(10,(i-1))) == 0 then
s = "0"..s
end
end
if number == 0 then
s = s:sub(2)
end
return s
end
-- }}}
-- {{{ Convert amount of bytes to string
function bytes_to_string(bytes, sec, padding)
if bytes == nil or tonumber(bytes) == nil then
return ""
end
bytes = tonumber(bytes)
local signs = {}
signs[1] = " b"
signs[2] = "KiB"
signs[3] = "MiB"
signs[4] = "GiB"
signs[5] = "TiB"
sign = 1
while bytes/1024 > 1 and signs[sign+1] ~= nil do
bytes = bytes/1024
sign = sign+1
end
bytes = bytes*10
bytes = math.floor(bytes)/10
if padding then
bytes = padd(bytes*10, padding+1)
bytes = bytes:sub(1, bytes:len()-1).."."..bytes:sub(bytes:len())
end
if sec then
return tostring(bytes)..signs[sign].."ps"
else
return tostring(bytes)..signs[sign]
end
end
-- }}}
--{{{ Escape a string
function escape(text)
if text then
text = text:gsub("&", "&")
text = text:gsub("<", "<")
text = text:gsub(">", ">")
text = text:gsub("'", "'")
text = text:gsub("\"", """)
end
return text
end
-- }}}
-- }}}
|
