Prevent repeated sourcing of syntax

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

diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 21c9442c09eed2ef84ad7011f74ba482a0116eae..68d1d3d994cbbc1afd4840e1aa6fef5364e54981 100644 (file)
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -578,22 +578,62 @@ endfunction
 
 " We need a definition guard because we invoke 'edit' which will reload this
 " script while this function is running. We must not replace it.
 
 " We need a definition guard because we invoke 'edit' which will reload this
 " script while this function is running. We must not replace it.

-if !exists("*s:EditUrlUnderCursor")
-  function s:EditUrlUnderCursor()
-      let l:url = s:Markdown_GetUrlForPosition(line('.'), col('.'))
-      if l:url != ''
-          if get(g:, 'vim_markdown_autowrite', 0)
-            write
-          endif
-          if get(g:, 'vim_markdown_no_extensions_in_markdown', 0)
-              execute 'edit' fnamemodify(expand('%:~'), ':p:h').'/'.l:url.'.md'
-          else
-              execute 'edit' l:url 
-          endif
-      else
-          echomsg 'The cursor is not on a link.'
-      endif
-  endfunction
+if !exists('*s:EditUrlUnderCursor')
+    function s:EditUrlUnderCursor()
+        let l:url = s:Markdown_GetUrlForPosition(line('.'), col('.'))
+        if l:url != ''
+            if get(g:, 'vim_markdown_autowrite', 0)
+                write
+            endif
+            let l:anchor = ''
+            if get(g:, 'vim_markdown_follow_anchor', 0)
+                let l:parts = split(l:url, '#', 1)
+                if len(l:parts) == 2
+                    let [l:url, l:anchor] = parts
+                    let l:anchorexpr = get(g:, 'vim_markdown_anchorexpr', '')
+                    if l:anchorexpr != ''
+                        let l:anchor = eval(substitute(
+                            \ l:anchorexpr, 'v:anchor',
+                            \ escape('"'.l:anchor.'"', '"'), ''))
+                    endif
+                endif
+            endif
+            if l:url != ''
+                let l:ext = ''
+                if get(g:, 'vim_markdown_no_extensions_in_markdown', 0)
+                    " use another file extension if preferred
+                    if exists('g:vim_markdown_auto_extension_ext')
+                        let l:ext = '.'.g:vim_markdown_auto_extension_ext
+                    else
+                        let l:ext = '.md'
+                    endif
+                endif
+                let l:url = fnameescape(fnamemodify(expand('%:h').'/'.l:url.l:ext, ':.'))
+                let l:editmethod = ''
+                " determine how to open the linked file (split, tab, etc)
+                if exists('g:vim_markdown_edit_url_in')
+                  if g:vim_markdown_edit_url_in == 'tab'
+                    let l:editmethod = 'tabnew'
+                  elseif g:vim_markdown_edit_url_in == 'vsplit'
+                    let l:editmethod = 'vsp'
+                  elseif g:vim_markdown_edit_url_in == 'hsplit'
+                    let l:editmethod = 'sp'
+                  else
+                    let l:editmethod = 'edit'
+                  endif
+                else
+                  " default to current buffer
+                  let l:editmethod = 'edit'
+                endif
+                execute l:editmethod l:url
+            endif
+            if l:anchor != ''
+                silent! execute '/'.l:anchor
+            endif
+        else
+            echomsg 'The cursor is not on a link.'
+        endif
+    endfunction

 endif
 
 function! s:VersionAwareNetrwBrowseX(url)
 endif
 
 function! s:VersionAwareNetrwBrowseX(url)


@@ -740,10 +780,10 @@ function! s:MarkdownClearSyntaxVariables()
 endfunction
 
 augroup Mkd
 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)
+    autocmd! * <buffer>
+    autocmd BufWinEnter <buffer> call s:MarkdownRefreshSyntax(1)
+    autocmd BufUnload <buffer> call s:MarkdownClearSyntaxVariables()
+    autocmd BufWritePost <buffer> call s:MarkdownRefreshSyntax(0)
+    autocmd InsertEnter,InsertLeave <buffer> call s:MarkdownRefreshSyntax(0)
+    autocmd CursorHold,CursorHoldI <buffer> call s:MarkdownRefreshSyntax(0)

 augroup END
 augroup END