Merge branch 'fixEmptyWhitespaceTokens'

src/Tokenizer/EmptyToken.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright (c) 2008-2011 Andreas Heigl<andreas@heigl.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @category   Hyphenation
+ * @package    Org_Heigl_Hyphenator
+ * @subpackage Tokenizer
+ * @author     Andreas Heigl <andreas@heigl.org>
+ * @copyright  2008-2011 Andreas Heigl<andreas@heigl.org>
+ * @license    http://www.opensource.org/licenses/mit-license.php MIT-License
+ * @version    2.0.beta
+ * @link       http://github.com/heiglandreas/Hyphenator
+ * @since      11.11.2011
+ */
+
+namespace Org\Heigl\Hyphenator\Tokenizer;
+
+/**
+ * This Class describes a  Token containing nothing
+ *
+ * @category   Hyphenation
+ * @package    Org_Heigl_Hyphenator
+ * @subpackage Tokenizer
+ * @author     Andreas Heigl <andreas@heigl.org>
+ * @copyright  2008-2011 Andreas Heigl<andreas@heigl.org>
+ * @license    http://www.opensource.org/licenses/mit-license.php MIT-License
+ * @version    2.0.beta
+ * @link       http://github.com/heiglandreas/Hyphenator
+ * @since      04.11.2011
+ */
+class EmptyToken extends Token
+{
+    //
+}

src/Tokenizer/WhitespaceTokenizer.php

@@ -109,6 +109,10 @@ private function tokenize($input)
         $splits = preg_split("/([".implode("", $this->whitespaces)."]+)/u", $input, -1, PREG_SPLIT_DELIM_CAPTURE);
 
         foreach ($splits as $split) {
+            if ($split === '') {
+                $tokens[] = new EmptyToken($split);
+                continue;
+            }
             if (preg_match("/^[".implode("", $this->whitespaces)."]+$/um", $split)) {
                 $tokens[] = new WhitespaceToken($split);
                 continue;