prosody
a6c4530c1bc0
util/termcolours.lua

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util/termcolours.lua @ 7205:a6c4530c1bc0

util.termcolours: Validate color codes, fixes traceback
author Kim Alvefur <zash@zash.se>
date Sun, 28 Feb 2016 15:03:01 +0100
parent 7204:ab2b7496a617
child 7206:1c005878db55
comparison
equal deleted inserted replaced
7204:ab2b7496a617 7205:a6c4530c1bc0
13 local char, format = string.char, string.format; 13 local char, format = string.char, string.format;
14 local tonumber = tonumber; 14 local tonumber = tonumber;
15 local ipairs = ipairs; 15 local ipairs = ipairs;
16 local io_write = io.write; 16 local io_write = io.write;
17 local m_floor = math.floor; 17 local m_floor = math.floor;
18 local type = type;
19 local setmetatable = setmetatable;
20 local pairs = pairs;
18 21
19 local windows; 22 local windows;
20 if os.getenv("WINDIR") then 23 if os.getenv("WINDIR") then
21 windows = require "util.windows"; 24 windows = require "util.windows";
22 end 25 end
74 local b = tonumber(hex:sub(5,6),16); 77 local b = tonumber(hex:sub(5,6),16);
75 return r,g,b; 78 return r,g,b;
76 end 79 end
77 80
78 setmetatable(stylemap, { __index = function(_, style) 81 setmetatable(stylemap, { __index = function(_, style)
79 local g = style:sub(7) == " background" and "48;5;" or "38;5;"; 82 if type(style) == "string" and style:find("%x%x%x%x%x%x") == 1 then
80 return g .. color(hex2rgb(style)); 83 local g = style:sub(7) == " background" and "48;5;" or "38;5;";
84 return g .. color(hex2rgb(style));
85 end
81 end } ); 86 end } );
82 87
83 local csscolors = { 88 local csscolors = {
84 red = "ff0000"; fuchsia = "ff00ff"; green = "008000"; white = "ffffff"; 89 red = "ff0000"; fuchsia = "ff00ff"; green = "008000"; white = "ffffff";
85 lime = "00ff00"; yellow = "ffff00"; purple = "800080"; blue = "0000ff"; 90 lime = "00ff00"; yellow = "ffff00"; purple = "800080"; blue = "0000ff";