Fix fenced code block syntax when reopening a file

[etc/vim.git] / ftplugin / markdown.vim

diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 1ce35a89be59515d026ee773118d79b67edbc609..c7fba7fae6bdf275344714e9426a7ca5c3dd471d 100644 (file)
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -304,6 +304,8 @@ function! s:Toc(...)
 
 
     let l:bufnr = bufnr('%')
+    let l:cursor_line = line('.')
+    let l:cursor_header = 0
     let l:fenced_block = 0
     let l:front_matter = 0
     let l:header_list = []
@@ -340,6 +342,14 @@ function! s:Toc(...)
             " append line to location list
             let l:item = {'lnum': i, 'text': l:line, 'valid': 1, 'bufnr': l:bufnr, 'col': 1}
             let l:header_list = l:header_list + [l:item]
+            " set header number of the cursor position
+            if l:cursor_header == 0
+                if i == l:cursor_line
+                    let l:cursor_header = len(l:header_list)
+                elseif i > l:cursor_line
+                    let l:cursor_header = len(l:header_list) - 1
+                endif
+            endif
             " keep track of the longest header size (heading level + title)
             let l:total_len = stridx(l:line, ' ') + len(l:line)
             if l:total_len > l:header_max_len
@@ -390,7 +400,7 @@ function! s:Toc(...)
     endfor
     setlocal nomodified
     setlocal nomodifiable
-    normal! gg
+    execute 'normal! ' . l:cursor_header . 'G'
 endfunction
 
 " Convert Setex headers in range `line1 .. line2` to Atx.
@@ -604,10 +614,21 @@ command! -buffer Tocv call s:Toc('vertical')
 command! -buffer Toct call s:Toc('tab')
 
 " Heavily based on vim-notes - http://peterodding.com/code/vim/notes/
-let s:filetype_dict = {
-    \ 'c++': 'cpp',
-    \ 'viml': 'vim'
-\ }
+if exists('g:vim_markdown_fenced_languages')
+    let s:filetype_dict = {}
+    for s:filetype in g:vim_markdown_fenced_languages
+        let key = matchstr(s:filetype, "[^=]*")
+        let val = matchstr(s:filetype, "[^=]*$")
+        let s:filetype_dict[key] = val
+    endfor
+else
+    let s:filetype_dict = {
+        \ 'c++': 'cpp',
+        \ 'viml': 'vim',
+        \ 'bash': 'sh',
+        \ 'ini': 'dosini'
+    \ }
+endif
 
 function! s:MarkdownHighlightSources(force)
     " Syntax highlight source code embedded in notes.
@@ -620,6 +641,10 @@ function! s:MarkdownHighlightSources(force)
     if !exists('b:mkd_known_filetypes')
         let b:mkd_known_filetypes = {}
     endif
+    if !exists('b:mkd_included_filetypes')
+        " set syntax file name included
+        let b:mkd_included_filetypes = {}
+    endif
     if !a:force && (b:mkd_known_filetypes == filetypes || empty(filetypes))
         return
     endif
@@ -635,9 +660,14 @@ function! s:MarkdownHighlightSources(force)
                 let filetype = ft
             endif
             let group = 'mkdSnippet' . toupper(substitute(filetype, "[+-]", "_", "g"))
-            let include = s:SyntaxInclude(filetype)
+            if !has_key(b:mkd_included_filetypes, filetype)
+                let include = s:SyntaxInclude(filetype)
+                let b:mkd_included_filetypes[filetype] = 1
+            else
+                let include = '@' . toupper(filetype)
+            endif
             let command = 'syntax region %s matchgroup=%s start="^\s*```%s$" matchgroup=%s end="\s*```$" keepend contains=%s%s'
-            execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') ? ' concealends' : '')
+            execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') && get(g:, 'vim_markdown_conceal', 1) ? ' concealends' : '')
             execute printf('syntax cluster mkdNonListItem add=%s', group)
 
             let b:mkd_known_filetypes[ft] = 1
@@ -676,9 +706,16 @@ function! s:MarkdownRefreshSyntax(force)
     endif
 endfunction
 
+function! s:MarkdownClearSyntaxVariables()
+    if &filetype == 'markdown'
+        unlet! b:mkd_included_filetypes
+    endif
+endfunction
+
 augroup Mkd
     autocmd!
     au BufWinEnter * call s:MarkdownRefreshSyntax(1)
+    au BufUnload * call s:MarkdownClearSyntaxVariables()
     au BufWritePost * call s:MarkdownRefreshSyntax(0)
     au InsertEnter,InsertLeave * call s:MarkdownRefreshSyntax(0)
     au CursorHold,CursorHoldI * call s:MarkdownRefreshSyntax(0)