local debug = require("debug")
local assert = assert
-local capi = { timer = (type(timer) == 'table' and timer or require ("gears.timer")) }
+local capi = { timer = require ("gears.timer") }
local io = { open = io.open,
lines = io.lines,
popen = io.popen }
local rawget = rawget
local table = { sort = table.sort }
+local wibox = require("wibox")
+
-- Lain helper functions for internal use
-- lain.helpers
local helpers = {}
-- {{{ Pipe operations
--- read the full output of a pipe (command)
+-- read the full output of a command output
function helpers.read_pipe(cmd)
local f = assert(io.popen(cmd))
local output = f:read("*all")
return output
end
+-- return line iterator of a command output
+function helpers.pipelines(...)
+ local f = assert(io.popen(...))
+ return function () -- iterator
+ local data = f:read()
+ if data == nil then f:close() end
+ return data
+ end
+end
+
-- }}}
-- {{{ A map utility
-- }}}
---{{{ Iterate over table of records sorted by keys
+-- {{{ Misc
+
+-- check if an element exist on a table
+function helpers.element_in_table(element, tbl)
+ for _, i in pairs(tbl) do
+ if i == element then
+ return true
+ end
+ end
+ return false
+end
+
+-- iterate over table of records sorted by keys
function helpers.spairs(t)
-- collect the keys
local keys = {}
end
end
end
---}}}
+
+-- create a lain textbox widget
+function helpers.make_widget_textbox()
+ local w = wibox.widget.textbox('')
+ local t = wibox.widget.base.make_widget(w)
+ t.widget = w
+ return t
+end
+
+-- }}}
return helpers