]> git.madduck.net Git - etc/vim.git/blob - after/ftplugin/markdown.vim

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

a140c25a2c2ae9ac128506085a149641d6f0d187
[etc/vim.git] / after / ftplugin / markdown.vim
1 " folding for Markdown headers, both styles (atx- and setex-)
2 " http://daringfireball.net/projects/markdown/syntax#header
3 "
4 " this code can be placed in file
5 "   $HOME/.vim/after/ftplugin/markdown.vim
6 "
7 " original version from Steve Losh's gist: https://gist.github.com/1038710
8
9 func! s:is_mkdCode(lnum)
10     return synIDattr(synID(a:lnum, 1, 0), 'name') == 'mkdCode'
11 endfunc
12
13 func! s:effective_line(lnum)
14     let line = getline(a:lnum)
15     return (line !~ '^[=-#]' || s:is_mkdCode(a:lnum)) ? '' : line
16 endfunc
17
18 func! Foldexpr_markdown(lnum)
19     let l2 = s:effective_line(a:lnum+1)
20     if  l2 =~ '^==\+\s*'
21         " next line is underlined (level 1)
22         return '>1'
23     elseif l2 =~ '^--\+\s*'
24         " next line is underlined (level 2)
25         return '>2'
26     endif
27
28     let l1 = s:effective_line(a:lnum)
29     if l1 =~ '^#'
30         " don't include the section title in the fold
31         return '-1'
32     endif
33
34     if (a:lnum == 1)
35         let l0 = ''
36     else
37         let l0 = s:effective_line(a:lnum-1)
38     endif
39     if l0 =~ '^#'
40         " current line starts with hashes
41         return '>'.matchend(l0, '^#\+')
42     else
43         " keep previous foldlevel
44         return '='
45     endif
46 endfunc
47
48
49 if !get(g:, "vim_markdown_folding_disabled", 0)
50   setlocal foldexpr=Foldexpr_markdown(v:lnum)
51   setlocal foldmethod=expr
52 endif