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highlighter: vim9 script implementation of get_highlight

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Christian 2020-11-18 09:00:29 +01:00 committed by Christian Brabandt
parent 687fb52d9f
commit 19861861fd
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1 changed files with 33 additions and 0 deletions
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33
autoload/airline/highlighter.vim
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@ -353,4 +353,37 @@ else
def airline#highlighter#reset_hlcache(): void # {{{2
s:hl_groups = {}
enddef
def airline#highlighter#get_highlight(group: string, rest: list<string> = ['']): list<string> # {{{2
# only check for the cterm reverse attribute
# TODO: do we need to check all modes (gui, term, as well)?
var reverse = false
var res = []
var ctermfg: string
var ctermbg: string
var guifg: string
var guibg: string
var bold: bool
if hlID(group)->synIDtrans()->synIDattr('reverse', 'cterm')
reverse = true
endif
if get(g:, 'airline_highlighting_cache', 0) && has_key(s:hl_groups, group)
res = s:hl_groups[group]
return reverse ? [ res[1], res[0], res[3], res[2], res[4] ] : res
else
ctermfg = s:get_syn(group, 'fg', 'cterm')
ctermbg = s:get_syn(group, 'bg', 'cterm')
guifg = s:get_syn(group, 'fg', 'gui')
guibg = s:get_syn(group, 'bg', 'gui')
if hlID(group)->synIDtrans()->synIDattr('bold')
bold = true
endif
if reverse
res = s:get_array(guibg, guifg, ctermbg, ctermfg, bold ? ['bold'] : rest)
else
res = s:get_array(guifg, guibg, ctermfg, ctermbg, bold ? ['bold'] : rest)
endif
endif
s:hl_groups[group] = res
return res
enddef
endif