1 files changed, 33 insertions, 0 deletions
diff --git a/util/termcolours.lua b/util/termcolours.lua
new file mode 100644
index 00000000..5cf5b555
--- /dev/null
+++ b/util/termcolours.lua
@@ -0,0 +1,33 @@
+local t_concat, t_insert = table.concat, table.insert;
+local char, format = string.char, string.format;
+local ipairs = ipairs;
+module "termcolours"
+
+local stylemap = {
+			reset = 0; bright = 1, dim = 2, underscore = 4, blink = 5, reverse = 7, hidden = 8;
+			black = 30; red = 31; green = 32; yellow = 33; blue = 34; magenta = 35; cyan = 36; white = 37;
+			["black background"] = 40; ["red background"] = 41; ["green background"] = 42; ["yellow background"] = 43; ["blue background"] = 44; ["magenta background"] = 45; ["cyan background"] = 46; ["white background"] = 47;
+			bold = 1, dark = 2, underline = 4, underlined = 4, normal = 0;
+		}
+
+local fmt_string = char(0x1B).."[%sm%s"..char(0x1B).."[0m";
+function getstring(style, text)
+	if style then
+		return format(fmt_string, style, text);
+	else
+		return text;
+	end
+end
+
+function getstyle(...)
+	local styles, result = { ... }, {};
+	for i, style in ipairs(styles) do
+		style = stylemap[style];
+		if style then
+			t_insert(result, style);
+		end
+	end
+	return t_concat(result, ";");
+end
+
+return _M;