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-rw-r--r--util/termcolours.lua23
1 files changed, 23 insertions, 0 deletions
diff --git a/util/termcolours.lua b/util/termcolours.lua
index df204688..6ef3b689 100644
--- a/util/termcolours.lua
+++ b/util/termcolours.lua
@@ -9,6 +9,7 @@
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;
@@ -34,6 +35,15 @@ local winstylemap = {
["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
@@ -76,4 +86,17 @@ if windows then
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;