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author | Adrian C. (anrxc) <anrxc@sysphere.org> | 2009-07-29 17:59:32 +0200 |
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committer | Adrian C. (anrxc) <anrxc@sysphere.org> | 2009-07-29 17:59:32 +0200 |
commit | 98e26ee0436822b00d4a6e707d86cf33d24bc00f (patch) | |
tree | a2a77a85453835d6235b9a4ee8a4044433c37151 /helpers.lua | |
download | vicious-legacy-98e26ee0436822b00d4a6e707d86cf33d24bc00f.tar.xz |
Import of vicious source tree.v1.0.0
Vicious is a modular widget library for 'awesome' window manager,
derived from the 'Wicked' widget library.
Summary of changes:
* Original wicked code modularized
* Widgets ported from Wicked:
- CPU, MEM, FS, NET, Date, Uptime, MPD
* CPU widget rewritten, uses pattern matching
* MEM widget rewritten, uses pattern matching
- Swap widget merged with MEM widget type
* FS widget rewritten, uses pattern matching
- Also fixed padding in the process
* NET widget rewritten, uses pattern matching
* MPD widget rewritten, a bit more versatile
* Removed deprecated helper functions
* Widgets written for Vicious:
- Thermal, Battery, Mbox, OrgMode, Volume, Entropy,
Disk I/O, System Load, Wireless, Pacman, Maildir
Diffstat (limited to 'helpers.lua')
-rw-r--r-- | helpers.lua | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/helpers.lua b/helpers.lua new file mode 100644 index 0000000..d2bfc9f --- /dev/null +++ b/helpers.lua @@ -0,0 +1,115 @@ +---------------------------------------------------------- +-- Licensed under the GNU General Public License version 2 +-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org> +---------------------------------------------------------- + +-- {{{ Grab environment +local pairs = pairs +local tonumber = tonumber +local tostring = tostring +local table = { insert = table.insert } +local math = { + pow = math.pow, + floor = math.floor +} +local string = { + sub = string.sub, + gsub = string.gsub, + find = string.find +} +-- }}} + + +-- Helpers: provides helper functions for vicious widgets +module("vicious.helpers") + + +-- {{{ Helper functions +-- {{{ Format a string with args +function format(format, args) + -- TODO: Find a more efficient way to do this + + -- Format a string + for var, val in pairs(args) do + format = string.gsub(format, "$"..var, val) + end + + -- Return formatted string + return format +end +-- }}} + +-- {{{ Padd a number to a minimum amount of digits +function padd(number, padding) + s = tostring(number) + + if padding == nil then + return s + end + + for i=1, padding do + if math.floor(number/math.pow(10,(i-1))) == 0 then + s = "0"..s + end + end + + if number == 0 then + s = s:sub(2) + end + + return s +end +-- }}} + +-- {{{ Convert amount of bytes to string +function bytes_to_string(bytes, sec, padding) + if bytes == nil or tonumber(bytes) == nil then + return "" + end + + bytes = tonumber(bytes) + + local signs = {} + signs[1] = " b" + signs[2] = "KiB" + signs[3] = "MiB" + signs[4] = "GiB" + signs[5] = "TiB" + + sign = 1 + + while bytes/1024 > 1 and signs[sign+1] ~= nil do + bytes = bytes/1024 + sign = sign+1 + end + + bytes = bytes*10 + bytes = math.floor(bytes)/10 + + if padding then + bytes = padd(bytes*10, padding+1) + bytes = bytes:sub(1, bytes:len()-1).."."..bytes:sub(bytes:len()) + end + + if sec then + return tostring(bytes)..signs[sign].."ps" + else + return tostring(bytes)..signs[sign] + end +end +-- }}} + +--{{{ Escape a string +function escape(text) + if text then + text = text:gsub("&", "&") + text = text:gsub("<", "<") + text = text:gsub(">", ">") + text = text:gsub("'", "'") + text = text:gsub("\"", """) + end + + return text +end +-- }}} +-- }}} |