API: transform widgets namespace table to a directory

1 files changed, 59 insertions, 0 deletions

diff --git a/widgets/mpd.lua b/widgets/mpd.lua
new file mode 100644
index 0000000..009ae7d
--- /dev/null
+++ b/widgets/mpd.lua
@@ -0,0 +1,59 @@
+---------------------------------------------------
+-- Licensed under the GNU General Public License v2
+--  * (c) 2010, Adrian C. <anrxc@sysphere.org>
+---------------------------------------------------
+
+-- {{{ Grab environment
+local tonumber = tonumber
+local io = { popen = io.popen }
+local setmetatable = setmetatable
+local string = { gmatch = string.gmatch }
+local helpers = require("vicious.helpers")
+-- }}}
+
+
+-- Mpd: provides Music Player Daemon information
+module("vicious.widgets.mpd")
+
+
+-- {{{ MPD widget type
+local function worker(format, warg)
+    local mpd_state  = {
+        ["{volume}"] = 0,
+        ["{state}"]  = "N/A",
+        ["{Artist}"] = "N/A",
+        ["{Title}"]  = "N/A",
+        ["{Album}"]  = "N/A",
+        ["{Genre}"]  = "N/A"
+    }
+
+    -- Fallback to MPD defaults
+    local pass = warg and warg[1] or "\"\""
+    local host = warg and warg[2] or "127.0.0.1"
+    local port = warg and warg[3] or "6600"
+
+    -- Construct MPD client options
+    local mpdh = "telnet://"..host..":"..port
+    local echo = "echo 'password "..pass.."\nstatus\ncurrentsong\nclose'"
+
+    -- Get data from MPD server
+    local f = io.popen(echo.." | curl --connect-timeout 1 -fsm 3 "..mpdh)
+
+    for line in f:lines() do
+        for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
+            if     k == "volume" then mpd_state["{"..k.."}"] = v and tonumber(v)
+            elseif k == "state"  then mpd_state["{"..k.."}"] = helpers.capitalize(v)
+            elseif k == "Artist" then mpd_state["{"..k.."}"] = helpers.escape(v)
+            elseif k == "Title"  then mpd_state["{"..k.."}"] = helpers.escape(v)
+            elseif k == "Album"  then mpd_state["{"..k.."}"] = helpers.escape(v)
+            elseif k == "Genre"  then mpd_state["{"..k.."}"] = helpers.escape(v)
+            end
+        end
+    end
+    f:close()
+
+    return mpd_state
+end
+-- }}}
+
+setmetatable(_M, { __call = function(_, ...) return worker(...) end })