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util/termcolours.lua @ 716:d61eabc678a6
util/logger: setwriter now returns the old writer on success
author | Waqas Hussain <waqas20@gmail.com> |
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date | Wed, 14 Jan 2009 23:04:16 +0500 |
parent | 615:4ae3e81513f3 |
child | 758:b1885732e979 |
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-- Prosody IM v0.2 -- Copyright (C) 2008 Matthew Wild -- Copyright (C) 2008 Waqas Hussain -- -- This program is free software; you can redistribute it and/or -- modify it under the terms of the GNU General Public License -- as published by the Free Software Foundation; either version 2 -- of the License, or (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. -- local t_concat, t_insert = table.concat, table.insert; local char, format = string.char, string.format; local ipairs = ipairs; module "termcolours" local stylemap = { reset = 0; bright = 1, dim = 2, underscore = 4, blink = 5, reverse = 7, hidden = 8; black = 30; red = 31; green = 32; yellow = 33; blue = 34; magenta = 35; cyan = 36; white = 37; ["black background"] = 40; ["red background"] = 41; ["green background"] = 42; ["yellow background"] = 43; ["blue background"] = 44; ["magenta background"] = 45; ["cyan background"] = 46; ["white background"] = 47; bold = 1, dark = 2, underline = 4, underlined = 4, normal = 0; } local fmt_string = char(0x1B).."[%sm%s"..char(0x1B).."[0m"; function getstring(style, text) if style then return format(fmt_string, style, text); else return text; end end function getstyle(...) local styles, result = { ... }, {}; for i, style in ipairs(styles) do style = stylemap[style]; if style then t_insert(result, style); end end return t_concat(result, ";"); end return _M;