2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
9 -- luacheck: ignore 213/i
12 local t_concat, t_insert = table.concat, table.insert;
13 local char, format = string.char, string.format;
14 local tonumber = tonumber;
15 local ipairs = ipairs;
16 local io_write = io.write;
17 local m_floor = math.floor;
19 local setmetatable = setmetatable;
23 if os.getenv("WINDIR") then
24 windows = require "util.windows";
26 local orig_color = windows and windows.get_consolecolor and windows.get_consolecolor();
31 reset = 0; bright = 1, dim = 2, underscore = 4, blink = 5, reverse = 7, hidden = 8;
32 black = 30; red = 31; green = 32; yellow = 33; blue = 34; magenta = 35; cyan = 36; white = 37;
33 ["black background"] = 40; ["red background"] = 41; ["green background"] = 42; ["yellow background"] = 43; ["blue background"] = 44; ["magenta background"] = 45; ["cyan background"] = 46; ["white background"] = 47;
34 bold = 1, dark = 2, underline = 4, underlined = 4, normal = 0;
38 ["0"] = orig_color, -- reset
40 ["1;33"] = 2+4+8, -- bold yellow
41 ["1;31"] = 4+8 -- bold red
45 [1] = "font-weight: bold", [2] = "opacity: 0.5", [4] = "text-decoration: underline", [8] = "visibility: hidden",
46 [30] = "color:black", [31] = "color:red", [32]="color:green", [33]="color:#FFD700",
47 [34] = "color:blue", [35] = "color: magenta", [36] = "color:cyan", [37] = "color: white",
48 [40] = "background-color:black", [41] = "background-color:red", [42]="background-color:green",
49 [43]="background-color:yellow", [44] = "background-color:blue", [45] = "background-color: magenta",
50 [46] = "background-color:cyan", [47] = "background-color: white";
53 local fmt_string = char(0x1B).."[%sm%s"..char(0x1B).."[0m";
54 local function getstring(style, text)
56 return format(fmt_string, style, text);
62 local function gray(n)
63 return m_floor(n*3/32)+0xe8;
65 local function color(r,g,b)
66 if r == g and g == b then
72 return 0x10 + ( r * 36 ) + ( g * 6 ) + ( b );
74 local function hex2rgb(hex)
75 local r = tonumber(hex:sub(1,2),16);
76 local g = tonumber(hex:sub(3,4),16);
77 local b = tonumber(hex:sub(5,6),16);
81 setmetatable(stylemap, { __index = function(_, style)
82 if type(style) == "string" and style:find("%x%x%x%x%x%x") == 1 then
83 local g = style:sub(7) == " background" and "48;5;" or "38;5;";
84 return g .. color(hex2rgb(style));
89 red = "ff0000"; fuchsia = "ff00ff"; green = "008000"; white = "ffffff";
90 lime = "00ff00"; yellow = "ffff00"; purple = "800080"; blue = "0000ff";
91 aqua = "00ffff"; olive = "808000"; black = "000000"; navy = "000080";
92 teal = "008080"; silver = "c0c0c0"; maroon = "800000"; gray = "808080";
94 for colorname, rgb in pairs(csscolors) do
95 stylemap[colorname] = stylemap[colorname] or stylemap[rgb];
96 colorname, rgb = colorname .. " background", rgb .. " background"
97 stylemap[colorname] = stylemap[colorname] or stylemap[rgb];
100 local function getstyle(...)
101 local styles, result = { ... }, {};
102 for i, style in ipairs(styles) do
103 style = stylemap[style];
105 t_insert(result, style);
108 return t_concat(result, ";");
112 local function setstyle(style)
113 style = style or "0";
114 if style ~= last then
115 io_write("\27["..style.."m");
121 function setstyle(style)
122 style = style or "0";
123 if style ~= last then
124 windows.set_consolecolor(winstylemap[style] or orig_color);
128 if not orig_color then
129 function setstyle() end
133 local function ansi2css(ansi_codes)
134 if ansi_codes == "0" then return "</span>"; end
136 for code in ansi_codes:gmatch("[^;]+") do
137 t_insert(css, cssmap[tonumber(code)]);
139 return "</span><span style='"..t_concat(css, ";").."'>";
142 local function tohtml(input)
143 return input:gsub("\027%[(.-)m", ansi2css);
147 getstring = getstring;