lib: add support for retrieving special-use mailboxes

lib/Connection.js

@@ -361,6 +361,10 @@ Connection.prototype.append = function(data, options, cb) {
     this._queue[this._queue.length - 1].appendData = data;
 };
 
+Connection.prototype.getSpecialUseBoxes = function(cb) {
+  this._enqueue('XLIST "" "*"', cb);
+};
+
 Connection.prototype.getBoxes = function(namespace, cb) {
   if (typeof namespace === 'function') {
     cb = namespace;
@@ -1328,7 +1332,7 @@ Connection.prototype._resUntagged = function(info) {
     } else if (typeof info.textCode === 'string'
                && info.textCode.toUpperCase() === 'UIDVALIDITY')
       this.emit('uidvalidity', info.text);
-  } else if (type === 'list' || type === 'lsub') {
+  } else if (type === 'list' || type === 'lsub' || type === 'xlist') {
     if (this.delimiter === undefined)
       this.delimiter = info.text.delimiter;
     else {

lib/Parser.js

@@ -17,7 +17,7 @@ var CH_LF = 10,
     RE_SEQNO = /^\* (\d+)/,
     RE_LISTCONTENT = /^\((.*)\)$/,
     RE_LITERAL = /\{(\d+)\}$/,
-    RE_UNTAGGED = /^\* (?:(OK|NO|BAD|BYE|FLAGS|ID|LIST|LSUB|SEARCH|STATUS|CAPABILITY|NAMESPACE|PREAUTH|SORT|THREAD|ESEARCH|QUOTA|QUOTAROOT)|(\d+) (EXPUNGE|FETCH|RECENT|EXISTS))(?:(?: \[([^\]]+)\])?(?: (.+))?)?$/i,
+    RE_UNTAGGED = /^\* (?:(OK|NO|BAD|BYE|FLAGS|ID|LIST|XLIST|LSUB|SEARCH|STATUS|CAPABILITY|NAMESPACE|PREAUTH|SORT|THREAD|ESEARCH|QUOTA|QUOTAROOT)|(\d+) (EXPUNGE|FETCH|RECENT|EXISTS))(?:(?: \[([^\]]+)\])?(?: (.+))?)?$/i,
     RE_TAGGED = /^A(\d+) (OK|NO|BAD) (?:\[([^\]]+)\] )?(.+)$/i,
     RE_CONTINUE = /^\+(?: (?:\[([^\]]+)\] )?(.+))?$/i,
     RE_CRLF = /\r\n/g,
@@ -247,7 +247,7 @@ Parser.prototype._resUntagged = function() {
         val = parseExpr(m[5], this._literals);
       else
         val = [];
-    } else if (type === 'list' || type === 'lsub')
+    } else if (type === 'list' || type === 'lsub' || type === 'xlist')
       val = parseBoxList(m[5], this._literals);
     else if (type === 'id')
       val = parseId(m[5], this._literals);
@@ -889,7 +889,7 @@ function decodeWords(str, state) {
   state.replaces = [];
 
   var bytes, m, next, i, j, leni, lenj, seq, replaces = [], lastReplace = {};
-  
+
   // join consecutive q-encoded words that have the same charset first
   while (m = RE_ENCWORD.exec(str)) {
     seq = {

test/test-parser.js

@@ -133,6 +133,19 @@ var CR = '\r', LF = '\n', CRLF = CR + LF;
               ],
     what: 'Search'
   },
+  { source: ['* XLIST (\\Noselect) "/" ~/Mail/foo', CRLF],
+    expected: [ { type: 'xlist',
+                  num: undefined,
+                  textCode: undefined,
+                  text: {
+                    flags: [ '\\Noselect' ],
+                    delimiter: '/',
+                    name: '~/Mail/foo'
+                  }
+                }
+              ],
+    what: 'XList'
+  },
   { source: ['* LIST (\\Noselect) "/" ~/Mail/foo', CRLF],
     expected: [ { type: 'list',
                   num: undefined,