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prosody
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util/termcolours.lua @ 5551:e1e06f1465be
util.dataforms: Add support for generating type='fixed' fields
author | Florian Zeitz <florob@babelmonkeys.de> |
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date | Mon, 11 Feb 2013 23:46:45 +0100 (2013-02-11) |
parent | 4698:739f7ae1a01e |
child | 5776:bd0ff8ae98a8 |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local t_concat, t_insert = table.concat, table.insert; local char, format = string.char, string.format; local tonumber = tonumber; local ipairs = ipairs; local io_write = io.write; local windows; if os.getenv("WINDIR") then windows = require "util.windows"; end local orig_color = windows and windows.get_consolecolor and windows.get_consolecolor(); 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 winstylemap = { ["0"] = orig_color, -- reset ["1"] = 7+8, -- bold ["1;33"] = 2+4+8, -- bold yellow ["1;31"] = 4+8 -- bold red } local cssmap = { [1] = "font-weight: bold", [2] = "opacity: 0.5", [4] = "text-decoration: underline", [8] = "visibility: hidden", [30] = "color:black", [31] = "color:red", [32]="color:green", [33]="color:#FFD700", [34] = "color:blue", [35] = "color: magenta", [36] = "color:cyan", [37] = "color: white", [40] = "background-color:black", [41] = "background-color:red", [42]="background-color:green", [43]="background-color:yellow", [44] = "background-color:blue", [45] = "background-color: magenta", [46] = "background-color:cyan", [47] = "background-color: white"; }; 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 local last = "0"; function setstyle(style) style = style or "0"; if style ~= last then io_write("\27["..style.."m"); last = style; end end if windows then function setstyle(style) style = style or "0"; if style ~= last then windows.set_consolecolor(winstylemap[style] or orig_color); last = style; end end if not orig_color then function setstyle(style) end end end local function ansi2css(ansi_codes) if ansi_codes == "0" then return "</span>"; end local css = {}; for code in ansi_codes:gmatch("[^;]+") do t_insert(css, cssmap[tonumber(code)]); end return "</span><span style='"..t_concat(css, ";").."'>"; end function tohtml(input) return input:gsub("\027%[(.-)m", ansi2css); end return _M;