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