All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
4 Licensed under GNU General Public License v2
5 * (c) 2013, Luke Bonham
9 local debug = require("debug")
11 local capi = { timer = timer }
12 local io = { open = io.open,
18 >>>>>>> upstream/master
21 -- Lain helper functions for internal use
25 helpers.lain_dir = debug.getinfo(1, 'S').source:match[[^@(.*/).*$]]
26 helpers.icons_dir = helpers.lain_dir .. 'icons/'
27 helpers.scripts_dir = helpers.lain_dir .. 'scripts/'
31 function helpers.wrequire(table, key)
32 local module = rawget(table, key)
33 return module or require(table._NAME .. '.' .. key)
38 -- {{{ File operations
40 -- see if the file exists and is readable
41 function helpers.file_exists(file)
42 local f = io.open(file)
51 -- get all lines from a file, returns an empty
52 -- list/table if the file does not exist
53 function helpers.lines_from(file)
54 if not helpers.file_exists(file) then return {} end
56 for line in io.lines(file) do
57 lines[#lines + 1] = line
62 -- get first line of a file, return nil if
63 -- the file does not exist
64 function helpers.first_line(file)
65 return helpers.lines_from(file)[1]
68 -- get first non empty line from a file,
69 -- returns nil otherwise
70 function helpers.first_nonempty_line(file)
71 for k,v in pairs(helpers.lines_from(file)) do
72 if #v then return v end
81 helpers.timer_table = {}
83 function helpers.newtimer(name, timeout, fun, nostart)
84 helpers.timer_table[name] = capi.timer({ timeout = timeout })
85 helpers.timer_table[name]:connect_signal("timeout", fun)
86 helpers.timer_table[name]:start()
88 helpers.timer_table[name]:emit_signal("timeout")
96 -- {{{ Pipe operations
98 -- read the full output of a pipe (command)
99 function helpers.read_pipe(cmd)
100 local f = assert(io.popen(cmd))
101 local output = f:read("*all")
108 >>>>>>> upstream/master
111 helpers.map_table = {}
113 function helpers.set_map(element, value)
114 helpers.map_table[element] = value
117 function helpers.get_map(element)
118 return helpers.map_table[element]