From 12a05501b77ab0e7c55bb7e7ea78d22abbcb9c9d Mon Sep 17 00:00:00 2001
From: Chotiwat Chawannakul <chotiwat@throughwave.co.th>
Date: Tue, 12 Mar 2013 14:14:29 +0700
Subject: [PATCH] Allow empty mailbox name (e.g. " ")

---
 lib/imap.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/imap.js b/lib/imap.js
index dfdb9ac..4f5f5c6 100644
--- a/lib/imap.js
+++ b/lib/imap.js
@@ -28,7 +28,7 @@ var CRLF = '\r\n',
     RE_DBLQ = /"/g,
     RE_CMD = /^([^ ]+)(?: |$)/,
     RE_ISHEADER = /HEADER/,
-    REX_UNRESPDATA = XRegExp('^\\* (?:(?:(?<type>NAMESPACE) (?<personal>(?:NIL|\\((?:\\(.+\\))+\\))) (?<other>(?:NIL|\\((?:\\(.+\\))+\\))) (?<shared>(?:NIL|\\((?:\\(.+\\))+\\))))|(?:(?<type>FLAGS) \\((?<flags>.*)\\))|(?:(?<type>LIST|LSUB|XLIST) \\((?<flags>.*)\\) (?<delimiter>".+"|NIL) (?<mailbox>.+))|(?:(?<type>(SEARCH|SORT))(?: (?<results>.*))?)|(?:(?<type>STATUS) (?<mailbox>.+) \\((?<attributes>.*)\\))|(?:(?<type>CAPABILITY) (?<capabilities>.+))|(?:(?<type>BYE) (?:\\[(?<code>.+)\\] )?(?<message>.+)))[ \t]*(?:\r\n|$)', 'i'),
+    REX_UNRESPDATA = XRegExp('^\\* (?:(?:(?<type>NAMESPACE) (?<personal>(?:NIL|\\((?:\\(.+\\))+\\))) (?<other>(?:NIL|\\((?:\\(.+\\))+\\))) (?<shared>(?:NIL|\\((?:\\(.+\\))+\\))))|(?:(?<type>FLAGS) \\((?<flags>.*)\\))|(?:(?<type>LIST|LSUB|XLIST) \\((?<flags>.*)\\) (?<delimiter>"[^"]+"|NIL) (?<mailbox>.+))|(?:(?<type>(SEARCH|SORT))(?: (?<results>.*))?)|(?:(?<type>STATUS) (?<mailbox>.+) \\((?<attributes>.*)\\))|(?:(?<type>CAPABILITY) (?<capabilities>.+))|(?:(?<type>BYE) (?:\\[(?<code>.+)\\] )?(?<message>.+)))[ \t]*(?:\r\n|$)', 'i'),
     REX_UNRESPNUM = XRegExp('^\\* (?<num>\\d+) (?:(?<type>EXISTS)|(?<type>RECENT)|(?<type>EXPUNGE)|(?:(?<type>FETCH) \\((?<info>.*)\\)))[ \t]*(?:\r\n|$)', 'i');
 
 // extension constants
@@ -452,7 +452,7 @@ ImapConnection.prototype.connect = function(loginCb) {
                   curChildren = requests[0].cbargs[0];
 
               if (box.delimiter) {
-                var path = name.split(box.delimiter).filter(utils.isNotEmpty),
+                var path = name.split(box.delimiter),
                     parent = null;
                 name = path.pop();
                 for (i=0,len=path.length; i<len; i++) {