Move split_tags to common lib.

include/dindexer-common/split_tags.hpp

@@ -0,0 +1,30 @@
+/* Copyright 2015, 2016, Michele Santullo
+ * This file is part of "dindexer".
+ *
+ * "dindexer" is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * "dindexer" is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef id913CE9D2F60745349F39F2C82455973E
+#define id913CE9D2F60745349F39F2C82455973E
+
+#include <vector>
+#include <string>
+#include <boost/utility/string_ref.hpp>
+#include "helpers/compatibility.h"
+
+namespace dinlib {
+	std::vector<boost::string_ref> split_tags ( const std::string& parCommaSeparatedList ) a_pure;
+} //namespace dinlib
+
+#endif