87 lines
1.8 KiB
VimL
87 lines
1.8 KiB
VimL
" Vim indent file
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" Language: CSS
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" Maintainer: Doug Kearns <dougkearns@gmail.com>
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" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
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" Last Change: 24 Sep 2021
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" Use of shiftwidth() added by Oleg Zubchenko.
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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setlocal indentexpr=GetCSSIndent()
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setlocal indentkeys=0{,0},!^F,o,O
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setlocal nosmartindent
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let b:undo_indent = "setl inde< indk< si<"
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if exists("*GetCSSIndent")
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finish
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endif
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let s:keepcpo= &cpo
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set cpo&vim
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function s:prevnonblanknoncomment(lnum)
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let lnum = a:lnum
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while lnum > 1
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let lnum = prevnonblank(lnum)
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let line = getline(lnum)
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if line =~ '\*/'
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while lnum > 1 && line !~ '/\*'
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let lnum -= 1
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endwhile
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if line =~ '^\s*/\*'
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let lnum -= 1
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else
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break
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endif
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else
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break
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endif
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endwhile
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return lnum
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endfunction
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function s:count_braces(lnum, count_open)
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let n_open = 0
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let n_close = 0
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let line = getline(a:lnum)
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let pattern = '[{}]'
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let i = match(line, pattern)
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while i != -1
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if synIDattr(synID(a:lnum, i + 1, 0), 'name') !~ 'css\%(Comment\|StringQ\{1,2}\)'
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if line[i] == '{'
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let n_open += 1
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elseif line[i] == '}'
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if n_open > 0
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let n_open -= 1
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else
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let n_close += 1
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endif
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endif
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endif
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let i = match(line, pattern, i + 1)
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endwhile
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return a:count_open ? n_open : n_close
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endfunction
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function GetCSSIndent()
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let line = getline(v:lnum)
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if line =~ '^\s*\*'
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return cindent(v:lnum)
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endif
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let pnum = s:prevnonblanknoncomment(v:lnum - 1)
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if pnum == 0
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return 0
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endif
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return indent(pnum) + s:count_braces(pnum, 1) * shiftwidth()
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\ - s:count_braces(v:lnum, 0) * shiftwidth()
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endfunction
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let &cpo = s:keepcpo
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unlet s:keepcpo
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