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  insteadOf = madduck:

make new list item indent configurable
[etc/vim.git] / after / ftplugin / markdown.vim
index 3603485afa3471037def7d781e10f239ef0467b9..6265db3a7b5a466dfe6a4813b1e2adb9f4d2835d 100644 (file)
@@ -13,8 +13,39 @@ 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)
-        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)
@@ -22,7 +53,6 @@ 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)
@@ -48,26 +78,60 @@ 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
+        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)
         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 s: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
+            if s:vim_markdown_folding_level == 1 || matchend(l1, '^#\+') > s:vim_markdown_folding_level
+                return -1
+            else
+                " headers are not folded
+                return 0
+            endif
         endif
 
-        if (a:lnum == 1)
-            let l0 = ''
-        else
-            let l0 = getline(a:lnum-1)
-        endif
         if l0 =~ '^#' && !s:is_mkdCode(a:lnum-1)
             " current line starts with hashes
             return '>'.matchend(l0, '^#\+')
@@ -78,6 +142,11 @@ else
     endfunction
 endif
 
+
+let b:fenced_block = 0
+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)
     setlocal foldmethod=expr