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Simplify getting highlight fg/bg

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This commit is contained in:
Daniel Hahler
2019-06-01 20:09:50 +02:00
committed by Andy Stewart
parent a7650790ea
commit 9f21e3dbba
1 changed files with 11 additions and 29 deletions
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40
autoload/gitgutter/highlight.vim
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@@ -131,40 +131,22 @@ function! s:define_sign_line_highlights() abort
endif endif
endfunction endfunction
function! s:get_foreground_colors(group) abort function! s:get_hl(group, what, mode) abort
redir => highlight let r = synIDattr(synIDtrans(hlID(a:group)), a:what, a:mode)
silent execute 'silent highlight ' . a:group if r ==# ''
redir END return 'NONE'
let link_matches = matchlist(highlight, 'links to \(\S\+\)')
if len(link_matches) > 0 " follow the link
return s:get_foreground_colors(link_matches[1])
endif endif
return r
endfunction
let ctermfg = s:match_highlight(highlight, 'ctermfg=\([0-9A-Za-z]\+\)') function! s:get_foreground_colors(group) abort
let guifg = s:match_highlight(highlight, 'guifg=\([#0-9A-Za-z]\+\)') let ctermfg = s:get_hl(a:group, 'fg', 'cterm')
let guifg = s:get_hl(a:group, 'fg', 'gui')
return [guifg, ctermfg] return [guifg, ctermfg]
endfunction endfunction
function! s:get_background_colors(group) abort function! s:get_background_colors(group) abort
redir => highlight let ctermbg = s:get_hl(a:group, 'bg', 'cterm')
silent execute 'silent highlight ' . a:group let guibg = s:get_hl(a:group, 'bg', 'gui')
redir END
let link_matches = matchlist(highlight, 'links to \(\S\+\)')
if len(link_matches) > 0 " follow the link
return s:get_background_colors(link_matches[1])
endif
let ctermbg = s:match_highlight(highlight, 'ctermbg=\([0-9A-Za-z]\+\)')
let guibg = s:match_highlight(highlight, 'guibg=\([#0-9A-Za-z]\+\)')
return [guibg, ctermbg] return [guibg, ctermbg]
endfunction endfunction
function! s:match_highlight(highlight, pattern) abort
let matches = matchlist(a:highlight, a:pattern)
if len(matches) == 0
return 'NONE'
endif
return matches[1]
endfunction