]> git.madduck.net Git - etc/vim.git/blobdiff - 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:

Fix URL syntax regex
[etc/vim.git] / after / ftplugin / markdown.vim
index 13f93ed4349500516a7915287a6df0bb4101589c..6265db3a7b5a466dfe6a4813b1e2adb9f4d2835d 100644 (file)
@@ -7,13 +7,45 @@
 " original version from Steve Losh's gist: https://gist.github.com/1038710
 
 function! s:is_mkdCode(lnum)
 " 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)
 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
+        elseif g:vim_markdown_frontmatter == 1
+            if b:front_matter == 1 && a:lnum > 2
+                let l0 = getline(a:lnum-1)
+                if l0 == '---'
+                    let b:front_matter = 0
+                endif
+            elseif a:lnum == 1
+                if l1 == '---'
+                    let b:front_matter = 1
+                endif
+            endif
+        endif
+
+        if b:fenced_block == 1 || b:front_matter == 1
+            if a:lnum == 1
+                " fold any 'preamble'
+                return '>1'
+            else
+                " keep previous foldlevel
+                return '='
+            endif
+        endif
+
         let l2 = getline(a:lnum+1)
         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)
             " next line is underlined (level 1)
             return '>0'
         elseif l2 =~ '^--\+\s*' && !s:is_mkdCode(a:lnum+1)
@@ -21,7 +53,6 @@ if get(g:, "vim_markdown_folding_style_pythonic", 0)
             return '>1'
         endif
 
             return '>1'
         endif
 
-        let l1 = getline(a:lnum)
         if l1 =~ '^#' && !s:is_mkdCode(a:lnum)
             " current line starts with hashes
             return '>'.(matchend(l1, '^#\+') - 1)
         if l1 =~ '^#' && !s:is_mkdCode(a:lnum)
             " current line starts with hashes
             return '>'.(matchend(l1, '^#\+') - 1)
@@ -52,13 +83,29 @@ else
         else
             let l0 = getline(a:lnum-1)
         endif
         else
             let l0 = getline(a:lnum-1)
         endif
+
         " keep track of fenced code blocks
         " 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
                 let b:fenced_block = 0
             endif
             if b:fenced_block == 0
                 let b:fenced_block = 1
             elseif b:fenced_block == 1
                 let b:fenced_block = 0
             endif
+        elseif g:vim_markdown_frontmatter == 1
+            if b:front_matter == 1
+                if l0 == '---'
+                    let b:front_matter = 0
+                endif
+            elseif a:lnum == 2
+                if l0 == '---'
+                    let b:front_matter = 1
+                endif
+            endif
+        endif
+
+        if b:fenced_block == 1 || b:front_matter == 1
+            " keep previous foldlevel
+            return '='
         endif
 
         let l2 = getline(a:lnum+1)
         endif
 
         let l2 = getline(a:lnum+1)
@@ -67,7 +114,7 @@ else
             return '>1'
         elseif l2 =~ '^--\+\s*' && !s:is_mkdCode(a:lnum+1)
             " next line is underlined (level 2)
             return '>1'
         elseif l2 =~ '^--\+\s*' && !s:is_mkdCode(a:lnum+1)
             " next line is underlined (level 2)
-            if g:vim_markdown_folding_level == 2
+            if s:vim_markdown_folding_level >= 2
                 return '>1'
             else
                 return '>2'
                 return '>1'
             else
                 return '>2'
@@ -77,24 +124,19 @@ else
         let l1 = getline(a:lnum)
         if l1 =~ '^#' && !s:is_mkdCode(a:lnum)
             " fold level according to option
         let l1 = getline(a:lnum)
         if l1 =~ '^#' && !s:is_mkdCode(a:lnum)
             " fold level according to option
-            let l:level = matchend(l1, '^#\+')
-            if g:vim_markdown_folding_level == 1 || l:level > g:vim_markdown_folding_level
+            if s:vim_markdown_folding_level == 1 || matchend(l1, '^#\+') > s:vim_markdown_folding_level
                 return -1
             else
                 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)
             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
             " current line starts with hashes
             return '>'.matchend(l0, '^#\+')
         else
-            " fold here because of setext headers
+            " keep previous foldlevel
             return '='
         endif
     endfunction
             return '='
         endif
     endfunction
@@ -102,7 +144,8 @@ endif
 
 
 let b:fenced_block = 0
 
 
 let b:fenced_block = 0
-let g:vim_markdown_folding_level = get(g:, "vim_markdown_folding_level", 1)
+let b:front_matter = 0
+let s: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)
 
 if !get(g:, "vim_markdown_folding_disabled", 0)
     setlocal foldexpr=Foldexpr_markdown(v:lnum)