54 lines
1.4 KiB
Lua
54 lines
1.4 KiB
Lua
|
---------------------------------------------------
|
||
|
|
-- Licensed under the GNU General Public License v2
|
||
|
|
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
|
||
|
|
---------------------------------------------------
|
||
|
|
|
||
|
|
-- {{{ Grab environment
|
||
|
|
local type = type
|
||
|
|
local io = { open = io.open }
|
||
|
|
local setmetatable = setmetatable
|
||
|
|
local string = { gfind = string.gfind }
|
||
|
|
local helpers = require("vicious.helpers")
|
||
|
|
-- }}}
|
||
|
|
|
||
|
|
|
||
|
|
-- Mbox: provides the subject of last e-mail in a mbox file
|
||
|
|
-- vicious.widgets.mbox
|
||
|
|
local mbox = {}
|
||
|
|
|
||
|
|
|
||
|
|
-- Initialize variables
|
||
|
|
local subject = "N/A"
|
||
|
|
|
||
|
|
-- {{{ Mailbox widget type
|
||
|
|
local function worker(format, warg)
|
||
|
|
if not warg then return end
|
||
|
|
|
||
|
|
-- mbox could be huge, get a 30kb chunk from EOF
|
||
|
|
if type(warg) ~= "table" then _mbox = warg end
|
||
|
|
-- * attachment could be much bigger than 30kb
|
||
|
|
local f = io.open(_mbox or warg[1])
|
||
|
|
f:seek("end", -30720)
|
||
|
|
local txt = f:read("*all")
|
||
|
|
f:close()
|
||
|
|
|
||
|
|
-- Find all Subject lines
|
||
|
|
for i in string.gfind(txt, "Subject: ([^\n]*)") do
|
||
|
|
subject = i
|
||
|
|
end
|
||
|
|
|
||
|
|
-- Check if we should scroll, or maybe truncate
|
||
|
|
if type(warg) == "table" then
|
||
|
|
if warg[3] ~= nil then
|
||
|
|
subject = helpers.scroll(subject, warg[2], warg[3])
|
||
|
|
else
|
||
|
|
subject = helpers.truncate(subject, warg[2])
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
return {helpers.escape(subject)}
|
||
|
|
end
|
||
|
|
-- }}}
|
||
|
|
|
||
|
|
return setmetatable(mbox, { __call = function(_, ...) return worker(...) end })
|