98 lines
3.0 KiB
Lua
98 lines
3.0 KiB
Lua
--[[
|
|
VT100 ANSI escape sequences.
|
|
Ported from the Lantern Build Engine, which si written in Bash.
|
|
Other versions:
|
|
- Bash, in the Lantern Build Engine: https://gitlab.com/sbrl/lantern-build-engine/-/blob/master/lantern.sh
|
|
- Javascript: massCode/Ansi.mjs
|
|
- C♯: massCode/Ansi.cs
|
|
|
|
Changelog:
|
|
6th September 2020:
|
|
Initial release - port complete!
|
|
]]--
|
|
|
|
|
|
local ansi
|
|
if os.getenv("NO_COLOR") ~= nil then
|
|
ansi = {
|
|
RS = "",
|
|
HC = "",
|
|
UL = "",
|
|
INV = "",
|
|
LC = "",
|
|
FBLK = "",
|
|
FRED = "",
|
|
FGRN = "",
|
|
FYEL = "",
|
|
FBLE = "",
|
|
FMAG = "",
|
|
FCYN = "",
|
|
FWHT = "",
|
|
BBLK = "",
|
|
BRED = "",
|
|
BGRN = "",
|
|
BYEL = "",
|
|
BBLE = "",
|
|
BMAG = "",
|
|
BCYN = "",
|
|
BWHT = "",
|
|
}
|
|
else
|
|
ansi = {
|
|
RS = "\27[0m", -- reset
|
|
HC = "\27[1m", -- hicolor
|
|
UL = "\27[4m", -- underline
|
|
INV = "\27[7m", -- inverse background and foreground
|
|
LC = "\27[2m", -- locolor / dim
|
|
FBLK = "\27[30m", -- foreground black
|
|
FRED = "\27[31m", -- foreground red
|
|
FGRN = "\27[32m", -- foreground green
|
|
FYEL = "\27[33m", -- foreground yellow
|
|
FBLE = "\27[34m", -- foreground blue
|
|
FMAG = "\27[35m", -- foreground magenta
|
|
FCYN = "\27[36m", -- foreground cyan
|
|
FWHT = "\27[37m", -- foreground white
|
|
BBLK = "\27[40m", -- background black
|
|
BRED = "\27[41m", -- background red
|
|
BGRN = "\27[42m", -- background green
|
|
BYEL = "\27[43m", -- background yellow
|
|
BBLE = "\27[44m", -- background blue
|
|
BMAG = "\27[45m", -- background magenta
|
|
BCYN = "\27[46m", -- background cyan
|
|
BWHT = "\27[47m", -- background white
|
|
|
|
|
|
-- Invalid escape sequence, apparently - we'll need to look into how to do it properly
|
|
-- Perhaps knowing the hex code for the character we want would be helpful
|
|
-- URL_START = '\e]8;;',
|
|
-- URL_DISPLAY_TEXT = '\e\\',
|
|
-- URL_END = '\e]8;;\e\\'
|
|
}
|
|
end
|
|
|
|
function ansi.wrap(str, start)
|
|
return start..str..ansi.RS
|
|
end
|
|
function ansi.hicol(str) return ansi.wrap(str, ansi.HC) end
|
|
function ansi.locol(str) return ansi.wrap(str, ansi.LC) end
|
|
function ansi.uline(str) return ansi.wrap(str, ansi.UL) end
|
|
function ansi.invert(str) return ansi.wrap(str, ansi.INV) end
|
|
function ansi.fblack(str) return ansi.wrap(str, ansi.FBLK) end
|
|
function ansi.fred(str) return ansi.wrap(str, ansi.FRED) end
|
|
function ansi.fgreen(str) return ansi.wrap(str, ansi.FGRN) end
|
|
function ansi.fyellow(str) return ansi.wrap(str, ansi.FYEL) end
|
|
function ansi.fblue(str) return ansi.wrap(str, ansi.FBLE) end
|
|
function ansi.fmagenta(str) return ansi.wrap(str, ansi.FMAG) end
|
|
function ansi.fcyan(str) return ansi.wrap(str, ansi.FCYN) end
|
|
function ansi.fwhite(str) return ansi.wrap(str, ansi.FWHT) end
|
|
function ansi.bblack(str) return ansi.wrap(str, ansi.FBLK) end
|
|
function ansi.bred(str) return ansi.wrap(str, ansi.BRED) end
|
|
function ansi.bgreen(str) return ansi.wrap(str, ansi.BGRN) end
|
|
function ansi.byellow(str) return ansi.wrap(str, ansi.BYEL) end
|
|
function ansi.bblue(str) return ansi.wrap(str, ansi.BBLE) end
|
|
function ansi.bmagenta(str) return ansi.wrap(str, ansi.BMAG) end
|
|
function ansi.bcyan(str) return ansi.wrap(str, ansi.BCYN) end
|
|
function ansi.bwhite(str) return ansi.wrap(str, ansi.BWHT) end
|
|
|
|
return ansi
|