From 941b071f80f20e6b799ecfff065fcbeed1670672 Mon Sep 17 00:00:00 2001
From: Matthias Biggeleben <matthias.biggeleben@open-xchange.com>
Date: Fri, 16 Sep 2016 22:28:44 +0200
Subject: [PATCH] Parser: fix IDLE parsing

Dovecot might answer DONE with some statistics:

  IDLE OK Idle completed (0.001 + 0.093 + 0.092 secs).

The plus character passes RE_PRECEDING which leads to dead end
code-wise.
---
 lib/Parser.js       | 2 +-
 test/test-parser.js | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/Parser.js b/lib/Parser.js
index c00a1ac..16297d3 100644
--- a/lib/Parser.js
+++ b/lib/Parser.js
@@ -11,7 +11,7 @@ var CH_LF = 10,
     LITPLACEHOLDER = String.fromCharCode(0),
     EMPTY_READCB = function(n) {},
     RE_INTEGER = /^\d+$/,
-    RE_PRECEDING = /^(?:(?:\*|A\d+) )|\+ ?/,
+    RE_PRECEDING = /^(?:\* |A\d+ |\+ ?)/,
     RE_BODYLITERAL = /BODY\[(.*)\] \{(\d+)\}$/i,
     RE_BODYINLINEKEY = /^BODY\[(.*)\]$/i,
     RE_SEQNO = /^\* (\d+)/,
diff --git a/test/test-parser.js b/test/test-parser.js
index f438571..39d1723 100644
--- a/test/test-parser.js
+++ b/test/test-parser.js
@@ -20,6 +20,10 @@ var CR = '\r', LF = '\n', CRLF = CR + LF;
     expected: [ 'IDLE OK IDLE terminated' ],
     what: 'Unknown line'
   },
+  { source: ['IDLE OK Idle completed (0.002 + 1.783 + 1.783 secs).', CRLF],
+    expected: [ 'IDLE OK Idle completed (0.002 + 1.783 + 1.783 secs).' ],
+    what: 'Unknown line with + char'
+  },
   { source: ['+ idling', CRLF],
     expected: [ { textCode: undefined,
                   text: 'idling'