X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/c4773a9b8e0ac823009bb342b2642f780de33cdc..803edeaee97bea3690fdb5db76cd58b8d4f7cc03:/after/ftplugin/markdown.vim?ds=sidebyside diff --git a/after/ftplugin/markdown.vim b/after/ftplugin/markdown.vim index f6bfe47..777ddac 100644 --- a/after/ftplugin/markdown.vim +++ b/after/ftplugin/markdown.vim @@ -7,13 +7,34 @@ " original version from Steve Losh's gist: https://gist.github.com/1038710 function! s:is_mkdCode(lnum) - return synIDattr(synID(a:lnum, 1, 0), 'name') == 'mkdCode' + let name = synIDattr(synID(a:lnum, 1, 0), 'name') + return (name =~ '^mkd\%(Code$\|Snippet\)' || name != '' && name !~ '^\%(mkd\|html\)') endfunction if get(g:, "vim_markdown_folding_style_pythonic", 0) function! Foldexpr_markdown(lnum) + let l1 = getline(a:lnum) + " keep track of fenced code blocks + if l1 =~ '````*' || l1 =~ '\~\~\~\~*' + if b:fenced_block == 0 + let b:fenced_block = 1 + elseif b:fenced_block == 1 + let b:fenced_block = 0 + endif + endif + + if b:fenced_block == 1 + if a:lnum == 1 + " fold any 'preamble' + return '>1' + else + " keep previous foldlevel + return '=' + endif + endif + let l2 = getline(a:lnum+1) - if l2 =~ '^==\+\s*' && !s:is_mkdCode(a:lnum+1) + if l2 =~ '^==\+\s*' && !s:is_mkdCode(a:lnum+1) " next line is underlined (level 1) return '>0' elseif l2 =~ '^--\+\s*' && !s:is_mkdCode(a:lnum+1) @@ -21,7 +42,6 @@ if get(g:, "vim_markdown_folding_style_pythonic", 0) return '>1' endif - let l1 = getline(a:lnum) if l1 =~ '^#' && !s:is_mkdCode(a:lnum) " current line starts with hashes return '>'.(matchend(l1, '^#\+') - 1) @@ -52,8 +72,9 @@ else else let l0 = getline(a:lnum-1) endif + " keep track of fenced code blocks - if l0 =~ '````*' || l0 =~ '~~~~*' + if l0 =~ '````*' || l0 =~ '\~\~\~\~*' if b:fenced_block == 0 let b:fenced_block = 1 elseif b:fenced_block == 1 @@ -61,37 +82,41 @@ else endif endif + if b:fenced_block == 1 + " keep previous foldlevel + return '=' + endif + let l2 = getline(a:lnum+1) if l2 =~ '^==\+\s*' && !s:is_mkdCode(a:lnum+1) " next line is underlined (level 1) return '>1' elseif l2 =~ '^--\+\s*' && !s:is_mkdCode(a:lnum+1) " next line is underlined (level 2) - return '>2' + if g:vim_markdown_folding_level >= 2 + return '>1' + else + return '>2' + endif endif let l1 = getline(a:lnum) if l1 =~ '^#' && !s:is_mkdCode(a:lnum) " fold level according to option - " (in vim -1 is visible, >= 0 is folded) let l:level = matchend(l1, '^#\+') if g:vim_markdown_folding_level == 1 || l:level > g:vim_markdown_folding_level return -1 else - " code blocks are always folded - return b:fenced_block + " headers are not folded + return 0 endif endif if l0 =~ '^#' && !s:is_mkdCode(a:lnum-1) - " collapse comments in fenced code blocks into a single fold - if b:fenced_block == 1 - return 1 - endif " current line starts with hashes return '>'.matchend(l0, '^#\+') else - " keep previous foldlevel + " fold here because of setext headers return '=' endif endfunction