From 237470c8f45190b213e3a173ce6ae1a74b3e11fe Mon Sep 17 00:00:00 2001
From: "Adrian C. (anrxc)" <anrxc@sysphere.org>
Date: Sun, 14 Mar 2010 01:55:33 +0100
Subject: API: transform widgets namespace table to a directory

---
 widgets/mbox.lua | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 widgets/mbox.lua

(limited to 'widgets/mbox.lua')

diff --git a/widgets/mbox.lua b/widgets/mbox.lua
new file mode 100644
index 0000000..eca5403
--- /dev/null
+++ b/widgets/mbox.lua
@@ -0,0 +1,50 @@
+---------------------------------------------------
+-- 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
+module("vicious.widgets.mbox")
+
+
+-- {{{ Mailbox widget type
+local function worker(format, warg)
+    if type(warg) ~= "table" then mbox = warg end
+    -- mbox could be huge, get a 30kb chunk from EOF
+    --  * attachments could be much bigger than this
+    local f = io.open(mbox or warg[1])
+    f:seek("end", -30720)
+    local txt = f:read("*all")
+    f:close()
+
+    -- Default value
+    local subject = "N/A"
+
+    -- 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
+-- }}}
+
+setmetatable(_M, { __call = function(_, ...) return worker(...) end })
-- 
cgit v1.2.3