X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/824e85c3e7b40466c2a375e37c7e81a0584c7a79..366625f8c579ed668ecb079c74a32e39c811d6a1:/after/ftplugin/markdown.vim

diff --git a/after/ftplugin/markdown.vim b/after/ftplugin/markdown.vim
index 3603485..84b6a4f 100644
--- a/after/ftplugin/markdown.vim
+++ b/after/ftplugin/markdown.vim
@@ -48,36 +48,63 @@ if get(g:, "vim_markdown_folding_style_pythonic", 0)
     endfunction
 else
     function! Foldexpr_markdown(lnum)
+        if (a:lnum == 1)
+            let l0 = ''
+        else
+            let l0 = getline(a:lnum-1)
+        endif
+        " keep track of fenced code blocks
+        if l0 =~ '````*' || l0 =~ '~~~~*'
+            if b:fenced_block == 0
+                let b:fenced_block = 1
+            elseif b:fenced_block == 1
+                let b:fenced_block = 0
+            endif
+        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)
-            " don't include the section title in the fold
-            return '-1'
+            " fold level according to option
+            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
+            endif
         endif
 
-        if (a:lnum == 1)
-            let l0 = ''
-        else
-            let l0 = getline(a:lnum-1)
-        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
 endif
 
+
+let b:fenced_block = 0
+let g:vim_markdown_folding_level = get(g:, "vim_markdown_folding_level", 1)
+
 if !get(g:, "vim_markdown_folding_disabled", 0)
     setlocal foldexpr=Foldexpr_markdown(v:lnum)
     setlocal foldmethod=expr