From 3e93c212cc2567093440c0a277c28b4cb1589a0c Mon Sep 17 00:00:00 2001
From: Christian <cb@256bit.org>
Date: Wed, 18 Nov 2020 08:17:57 +0100
Subject: [PATCH] highlighter: vim9 script implementation of s:gui2cui

---
 autoload/airline/highlighter.vim | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/autoload/airline/highlighter.vim b/autoload/airline/highlighter.vim
index 3d225226..dddd4b8e 100644
--- a/autoload/airline/highlighter.vim
+++ b/autoload/airline/highlighter.vim
@@ -314,4 +314,14 @@ if !exists(":def") || (exists(":def") && get(g:, "airline_experimental", 0)==0)
   finish
 else
   " This is using Vim9 script " {{{1
+  def s:gui2cui(rgb: string, fallback: string): string # {{{2
+    if empty(rgb)
+      return fallback
+    elseif match(rgb, '^\%(NONE\|[fb]g\)$') > -1
+      return rgb
+    endif
+    var _rgb = []
+    _rgb = map(split(rgb[1:], '..\zs'), {_, v -> str2nr("0x" .. v)})
+    return airline#msdos#round_msdos_colors(_rgb)
+  enddef
 endif