76 lines
2.1 KiB
VimL
76 lines
2.1 KiB
VimL
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if exists("b:did_indent") | finish | endif
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let b:did_indent = 1
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setlocal indentexpr=GetMarkdownIndent()
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setlocal nolisp
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setlocal autoindent
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" Automatically insert bullets
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setlocal formatoptions+=r
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" Do not automatically insert bullets when auto-wrapping with text-width
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setlocal formatoptions-=c
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" Accept various markers as bullets
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setlocal comments=b:*,b:+,b:-
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" Automatically continue blockquote on line break
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setlocal comments+=b:>
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" Only define the function once
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if exists("*GetMarkdownIndent") | finish | endif
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function! s:IsMkdCode(lnum)
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let name = synIDattr(synID(a:lnum, 1, 0), 'name')
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return (name =~ '^mkd\%(Code$\|Snippet\)' || name != '' && name !~ '^\%(mkd\|html\)')
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endfunction
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function! s:IsLiStart(line)
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return a:line !~ '^ *\([*-]\)\%( *\1\)\{2}\%( \|\1\)*$' &&
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\ a:line =~ '^\s*[*+-] \+'
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endfunction
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function! s:IsHeaderLine(line)
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return a:line =~ '^\s*#'
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endfunction
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function! s:IsBlankLine(line)
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return a:line =~ '^$'
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endfunction
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function! s:PrevNonBlank(lnum)
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let i = a:lnum
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while i > 1 && s:IsBlankLine(getline(i))
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let i -= 1
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endwhile
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return i
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endfunction
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function GetMarkdownIndent()
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if v:lnum > 2 && s:IsBlankLine(getline(v:lnum - 1)) && s:IsBlankLine(getline(v:lnum - 2))
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return 0
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endif
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let list_ind = get(g:, "vim_markdown_new_list_item_indent", 4)
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" Find a non-blank line above the current line.
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let lnum = s:PrevNonBlank(v:lnum - 1)
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" At the start of the file use zero indent.
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if lnum == 0 | return 0 | endif
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let ind = indent(lnum)
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let line = getline(lnum) " Last line
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let cline = getline(v:lnum) " Current line
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if s:IsLiStart(cline)
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" Current line is the first line of a list item, do not change indent
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return indent(v:lnum)
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elseif s:IsHeaderLine(cline) && !s:IsMkdCode(v:lnum)
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" Current line is the header, do not indent
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return 0
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elseif s:IsLiStart(line)
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if s:IsMkdCode(lnum)
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return ind
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else
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" Last line is the first line of a list item, increase indent
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return ind + list_ind
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end
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else
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return ind
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endif
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endfunction
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