X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/33c0e0c2360a04fcc6f51bccb0ad2a7a9e9c07b3:/helpers.lua..66d9f3db4596e43efa55488569e06365a2125750:/.config/awesome/lain/static/git-favicon.png

diff --git a/helpers.lua b/helpers.lua
deleted file mode 100644
index d6f6b3c..0000000
--- a/helpers.lua
+++ /dev/null
@@ -1,204 +0,0 @@
---[[
-
-     Licensed under GNU General Public License v2
-      * (c) 2013, Luca CPZ
-
---]]
-
-local spawn      = require("awful.spawn")
-local timer      = require("gears.timer")
-local debug      = require("debug")
-local io         = { lines = io.lines,
-                     open  = io.open }
-local pairs      = pairs
-local rawget     = rawget
-local table      = { sort  = table.sort, unpack = table.unpack }
-local unpack     = unpack or table.unpack -- lua 5.1 retro-compatibility
-
--- 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
-
--- }}}
-
--- {{{ File operations
-
--- check if the file exists and is readable
-function helpers.file_exists(path)
-    local file = io.open(path, "rb")
-    if file then file:close() end
-    return file ~= nil
-end
-
--- get a table with all lines from a file
-function helpers.lines_from(path)
-    local lines = {}
-    for line in io.lines(path) do
-        lines[#lines + 1] = line
-    end
-    return lines
-end
-
--- get a table with all lines from a file matching regexp
-function helpers.lines_match(regexp, path)
-    local lines = {}
-    for line in io.lines(path) do
-        if string.match(line, regexp) then
-            lines[#lines + 1] = line
-        end
-    end
-    return lines
-end
-
--- get first line of a file
-function helpers.first_line(path)
-    local file, first = io.open(path, "rb"), nil
-    if file then
-        first = file:read("*l")
-        file:close()
-    end
-    return first
-end
-
--- get first non empty line from a file
-function helpers.first_nonempty_line(path)
-    for line in io.lines(path) do
-        if #line then return line end
-    end
-    return nil
-end
-
--- }}}
-
--- {{{ Timer maker
-
-helpers.timer_table = {}
-
-function helpers.newtimer(name, timeout, fun, nostart, stoppable)
-    if not name or #name == 0 then return end
-    name = (stoppable and name) or timeout
-    if not helpers.timer_table[name] then
-        helpers.timer_table[name] = timer({ timeout = timeout })
-        helpers.timer_table[name]:start()
-    end
-    helpers.timer_table[name]:connect_signal("timeout", fun)
-    if not nostart then
-        helpers.timer_table[name]:emit_signal("timeout")
-    end
-    return stoppable and helpers.timer_table[name]
-end
-
--- }}}
-
--- {{{ Pipe operations
-
--- run a command and execute a function on its output (asynchronous pipe)
--- @param cmd the input command
--- @param callback function to execute on cmd output
--- @return cmd PID
-function helpers.async(cmd, callback)
-    return spawn.easy_async(cmd,
-    function (stdout, stderr, reason, exit_code)
-        callback(stdout, exit_code)
-    end)
-end
-
--- like above, but call spawn.easy_async with a shell
-function helpers.async_with_shell(cmd, callback)
-    return spawn.easy_async_with_shell(cmd,
-    function (stdout, stderr, reason, exit_code)
-        callback(stdout, exit_code)
-    end)
-end
-
--- run a command and execute a function on its output line by line
-function helpers.line_callback(cmd, callback)
-    return spawn.with_line_callback(cmd, {
-        stdout = function (line)
-            callback(line)
-        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
-
--- }}}
-
--- {{{ 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 = {}
-    for k in pairs(t) do keys[#keys+1] = k end
-
-    table.sort(keys)
-
-    -- return the iterator function
-    local i = 0
-    return function()
-        i = i + 1
-        if keys[i] then
-            return keys[i], t[keys[i]]
-        end
-    end
-end
-
--- create the partition of singletons of a given set
--- example: the trivial partition set of {a, b, c}, is {{a}, {b}, {c}}
-function helpers.trivial_partition_set(set)
-    local ss = {}
-    for _,e in pairs(set) do
-        ss[#ss+1] = {e}
-    end
-    return ss
-end
-
--- create the powerset of a given set
-function helpers.powerset(s)
-    if not s then return {} end
-    local t = {{}}
-    for i = 1, #s do
-        for j = 1, #t do
-            t[#t+1] = {s[i],unpack(t[j])}
-        end
-    end
-    return t
-end
-
--- }}}
-
-return helpers