-- Copyright (c) 2009 Rob Hoelz -- -- Permission is hereby granted, free of charge, to any person obtaining a copy -- of this software and associated documentation files (the "Software"), to deal -- in the Software without restriction, including without limitation the rights -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -- copies of the Software, and to permit persons to whom the Software is -- furnished to do so, subject to the following conditions: -- -- The above copyright notice and this permission notice shall be included in -- all copies or substantial portions of the Software. -- -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -- THE SOFTWARE. local pairs = pairs local tostring = tostring local setmetatable = setmetatable local schar = string.char local colors = {} local colormt = {} function colormt:__tostring() return self.value end function colormt:__concat(other) return tostring(self) .. tostring(other) end function colormt:__call(s) return self .. s .. colors.reset end local function makecolor(value) return setmetatable({ value = schar(27) .. '[' .. tostring(value) .. 'm' }, colormt) end local colorvalues = { -- attributes reset = 0, clear = 0, default = 0, bright = 1, dim = 2, underscore = 4, blink = 5, reverse = 7, hidden = 8, -- foreground black = 30, red = 31, green = 32, yellow = 33, blue = 34, magenta = 35, cyan = 36, white = 37, -- background onblack = 40, onred = 41, ongreen = 42, onyellow = 43, onblue = 44, onmagenta = 45, oncyan = 46, onwhite = 47, } for c, v in pairs(colorvalues) do colors[c] = makecolor(v) end return colors