Add some documentation

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

diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 5db57d812f1ed13b00d5d5c543d003e78c93ee47..d7c37774a49b54093e0314df73c75aa9ba7e2431 100644 (file)
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -351,17 +351,17 @@ function! s:Toc(...)
                 endif
             endif
             " keep track of the longest header size (heading level + title)
-            let l:total_len = stridx(l:line, ' ') + len(l:line)
+            let l:total_len = stridx(l:line, ' ') + strdisplaywidth(l:line)
             if l:total_len > l:header_max_len
                 let l:header_max_len = l:total_len
             endif
         endif
     endfor
+    call setloclist(0, l:header_list)
     if len(l:header_list) == 0
         echom "Toc: No headers."
         return
     endif
-    call setloclist(0, l:header_list)
 
     if l:window_type ==# 'horizontal'
         lopen
@@ -576,6 +576,44 @@ function! s:OpenUrlUnderCursor()
     endif
 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.
+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 != ''
+                if get(g:, 'vim_markdown_no_extensions_in_markdown', 0)
+                    let l:url .= '.md'
+                endif
+                let l:url = fnamemodify(expand('%:h').'/'.l:url, ':.')
+                execute 'edit' 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)
     if has('patch-7.4.567')
         call netrw#BrowseX(a:url, 0)
@@ -598,6 +636,7 @@ call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousSiblingHeader', '<sid>MoveToP
 call <sid>MapNormVis('<Plug>Markdown_MoveToParentHeader', '<sid>MoveToParentHeader')
 call <sid>MapNormVis('<Plug>Markdown_MoveToCurHeader', '<sid>MoveToCurHeader')
 nnoremap <Plug>Markdown_OpenUrlUnderCursor :call <sid>OpenUrlUnderCursor()<cr>
+nnoremap <Plug>Markdown_EditUrlUnderCursor :call <sid>EditUrlUnderCursor()<cr>
 
 if !get(g:, 'vim_markdown_no_default_key_mappings', 0)
     call <sid>MapNotHasmapto(']]', 'Markdown_MoveToNextHeader')
@@ -607,6 +646,7 @@ if !get(g:, 'vim_markdown_no_default_key_mappings', 0)
     call <sid>MapNotHasmapto(']u', 'Markdown_MoveToParentHeader')
     call <sid>MapNotHasmapto(']c', 'Markdown_MoveToCurHeader')
     call <sid>MapNotHasmapto('gx', 'Markdown_OpenUrlUnderCursor')
+    call <sid>MapNotHasmapto('ge', 'Markdown_EditUrlUnderCursor')
 endif
 
 command! -buffer -range=% HeaderDecrease call s:HeaderDecrease(<line1>, <line2>)