diff options
Diffstat (limited to 'util/termcolours.lua')
| -rw-r--r-- | util/termcolours.lua | 64 |
1 files changed, 62 insertions, 2 deletions
diff --git a/util/termcolours.lua b/util/termcolours.lua index 905b70a6..6ef3b689 100644 --- a/util/termcolours.lua +++ b/util/termcolours.lua @@ -1,6 +1,6 @@ -- Prosody IM --- Copyright (C) 2008-2009 Matthew Wild --- Copyright (C) 2008-2009 Waqas Hussain +-- 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. @@ -9,7 +9,16 @@ 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 = { @@ -19,6 +28,22 @@ local stylemap = { 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 @@ -39,4 +64,39 @@ function getstyle(...) 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; |