mirror of https://github.com/lcpz/lain.git
77 lines
1.6 KiB
Lua
77 lines
1.6 KiB
Lua
|
|
--[[
|
|
|
|
Licensed under GNU General Public License v2
|
|
* (c) 2013, Luke Bonham
|
|
* (c) 2010-2012, Peter Hofmann
|
|
|
|
--]]
|
|
|
|
local debug = require("debug")
|
|
local rawget = rawget
|
|
local io = { open = io.open }
|
|
|
|
-- Lain helper functions for internal use
|
|
-- lain.helpers
|
|
local helpers = {}
|
|
|
|
helpers.lain_dir = debug.getinfo(1, 'S').source:match[[^@(.*/).*$]]
|
|
helpers.icons_dir = helpers.lain_dir .. 'icons/'
|
|
helpers.scripts_dir = helpers.lain_dir .. 'scripts/'
|
|
|
|
-- {{{ Modules loader
|
|
|
|
function helpers.wrequire(table, key)
|
|
local module = rawget(table, key)
|
|
return module or require(table._NAME .. '.' .. key)
|
|
end
|
|
|
|
-- }}}
|
|
|
|
-- {{{ Read the first line of a file or return nil.
|
|
|
|
function helpers.first_line(f)
|
|
local fp = io.open(f)
|
|
if not fp
|
|
then
|
|
return nil
|
|
end
|
|
|
|
local content = fp:read("*l")
|
|
fp:close()
|
|
return content
|
|
end
|
|
|
|
-- }}}
|
|
|
|
-- {{{ Timer maker
|
|
|
|
helpers.timer_table = {}
|
|
|
|
function helpers.newtimer(name, timeout, fun, nostart)
|
|
helpers.timer_table[name] = timer({ timeout = timeout })
|
|
helpers.timer_table[name]:connect_signal("timeout", fun)
|
|
helpers.timer_table[name]:start()
|
|
if not nostart then
|
|
helpers.timer_table[name]:emit_signal("timeout")
|
|
end
|
|
end
|
|
|
|
-- }}}
|
|
|
|
-- {{{ A map utility
|
|
|
|
helpers.map_table = {}
|
|
|
|
function helpers.set_map(element, value)
|
|
helpers.map_table[element] = value
|
|
end
|
|
|
|
function helpers.get_map(element)
|
|
return helpers.map_table[element]
|
|
end
|
|
|
|
-- }}}
|
|
|
|
return helpers
|