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highlighter: handle color names when converting into msdos codes

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the highlighter code tries to convert the RGB colors into appropriate
color codes for the MSDOS palette. Unfortunately, it does not consider
color names and tries to split those into a list of 3 RGB codes. This
failes for names shorter 6 characters, causing a list index out of
bounds error.

Fix this by making sure, that the color code should start with '#' and
in case it does not, assume it is a color name and simple return the
name in that case.

closes #2350
This commit is contained in:
Christian Brabandt
2021-03-09 13:50:18 +01:00
parent a262ec6ce4
commit 09dbd09ed3
1 changed files with 3 additions and 0 deletions
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3
autoload/airline/highlighter.vim
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@@ -18,6 +18,9 @@ function! s:gui2cui(rgb, fallback) abort
return a:fallback return a:fallback
elseif match(a:rgb, '^\%(NONE\|[fb]g\)$') > -1 elseif match(a:rgb, '^\%(NONE\|[fb]g\)$') > -1
return a:rgb return a:rgb
elseif a:rgb[0] !~ '#'
" a:rgb contains colorname
return a:rgb
endif endif
let rgb = map(split(a:rgb[1:], '..\zs'), '0 + ("0x".v:val)') let rgb = map(split(a:rgb[1:], '..\zs'), '0 + ("0x".v:val)')
return airline#msdos#round_msdos_colors(rgb) return airline#msdos#round_msdos_colors(rgb)