From dcccd0e532c44196195e352ae43745f47c8615d4 Mon Sep 17 00:00:00 2001
From: Min-Young Wu <min.young.wu@gmail.com>
Date: Thu, 15 Dec 2011 15:14:31 -0800
Subject: [PATCH] Defaulting bookmark name to file/dir name

Note that for directories, there is a trailing slash
---
 doc/NERD_tree.txt    |  2 ++
 plugin/NERD_tree.vim | 10 +++++++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/doc/NERD_tree.txt b/doc/NERD_tree.txt
index cc5796a..3fa91f2 100644
--- a/doc/NERD_tree.txt
+++ b/doc/NERD_tree.txt
@@ -155,6 +155,8 @@ Note that the following commands are only available in the NERD tree buffer.
 :Bookmark <name>
     Bookmark the current node as <name>. If there is already a <name>
     bookmark, it is overwritten. <name> must not contain spaces.
+    If <name> is not provided, it defaults to the file or directory name.
+    For directories, a trailing slash is present.
 
 :BookmarkToRoot <bookmark>
     Make the directory corresponding to <bookmark> the new root. If a treenode
diff --git a/plugin/NERD_tree.vim b/plugin/NERD_tree.vim
index 065ecf3..fbaee5e 100644
--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -3546,7 +3546,7 @@ function! s:bindMappings()
     "bind all the user custom maps
     call s:KeyMap.BindAll()
 
-    command! -buffer -nargs=1 Bookmark :call <SID>bookmarkNode('<args>')
+    command! -buffer -nargs=? Bookmark :call <SID>bookmarkNode('<args>')
     command! -buffer -complete=customlist,s:completeBookmarks -nargs=1 RevealBookmark :call <SID>revealBookmark('<args>')
     command! -buffer -complete=customlist,s:completeBookmarks -nargs=1 OpenBookmark :call <SID>openBookmark('<args>')
     command! -buffer -complete=customlist,s:completeBookmarks -nargs=* ClearBookmarks call <SID>clearBookmarks('<args>')
@@ -3558,11 +3558,15 @@ endfunction
 
 " FUNCTION: s:bookmarkNode(name) {{{2
 " Associate the current node with the given name
-function! s:bookmarkNode(name)
+function! s:bookmarkNode(...)
     let currentNode = s:TreeFileNode.GetSelected()
     if currentNode != {}
+        let name = a:1
+        if empty(name)
+            let name = currentNode.path.getLastPathComponent(1)
+        endif
         try
-            call currentNode.bookmark(a:name)
+            call currentNode.bookmark(name)
             call s:renderView()
         catch /^NERDTree.IllegalBookmarkNameError/
             call s:echo("bookmark names must not contain spaces")