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36 lines
938 B
36 lines
938 B
4 years ago
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" Copyright (c) 2019 Liu-Cheng Xu
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" MIT License
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" vim: ts=2 sw=2 sts=2 et
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" Treat the number of heading whitespaces as indent level
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function! s:HeadingWhitespaces(line) abort
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return strlen(matchstr(a:line,'\v^\s+'))
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endfunction
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function! vista#fold#Expr() abort
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if getline(v:lnum) =~# '^$'
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return 0
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endif
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let cur_indent = s:HeadingWhitespaces(getline(v:lnum))
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let next_indent = s:HeadingWhitespaces(getline(v:lnum+1))
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if cur_indent < next_indent
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return '>'.next_indent
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else
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return cur_indent
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endif
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endfunction
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function! vista#fold#Text() abort
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let line = getline(v:foldstart)
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" Foldtext ignores tabstop and shows tabs as one space,
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" so convert tabs to 'tabstop' spaces, then text lines up.
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let spaces = repeat(' ', &tabstop)
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let line = substitute(line, '\t', spaces, 'g')
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let line = substitute(line, g:vista_fold_toggle_icons[0], g:vista_fold_toggle_icons[1], '')
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return line
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endfunction
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