dash: added path helpers

Signed-off-by: Hugo Beauzée-Luyssen <beauze.h@gmail.com>

modules/stream_filter/dash/Helper.cpp

+/*
+ * Helper.cpp
+ *****************************************************************************
+ * Copyright (C) 2010 - 2012 Klagenfurt University
+ *
+ * Created on: Feb 20, 2012
+ * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
+ *          Christian Timmerer  <christian.timmerer@itec.uni-klu.ac.at>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#include "Helper.h"
+
+using namespace dash;
+
+std::string Helper::combinePaths        (const std::string &path1, const std::string &path2)
+{
+    char path1Last  = path1.at(path1.size() - 1);
+    char path2First = path2.at(0);
+
+    if(path1Last == '/' && path2First == '/')
+        return path1 + path2.substr(1, path2.size());
+
+    if(path1Last != '/' && path2First != '/')
+        return path1 + "/" + path2;
+
+    return path1 + path2;
+}
+std::string Helper::getDirectoryPath    (const std::string &path)
+{
+    int pos = path.find_last_of('/');
+
+    return path.substr(0, pos);
+}

modules/stream_filter/dash/Helper.h

+/*
+ * Helper.h
+ *****************************************************************************
+ * Copyright (C) 2010 - 2012 Klagenfurt University
+ *
+ * Created on: Feb 20, 2012
+ * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
+ *          Christian Timmerer  <christian.timmerer@itec.uni-klu.ac.at>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef HELPER_H_
+#define HELPER_H_
+
+#include <string>
+
+namespace dash
+{
+    class Helper
+    {
+        public:
+            static std::string combinePaths     (const std::string &path1, const std::string &path2);
+            static std::string getDirectoryPath (const std::string &path);
+    };
+}
+
+#endif /* HELPER_H_ */

modules/stream_filter/dash/Modules.am

@@ -80,5 +80,7 @@ SOURCES_stream_filter_dash = \
     DASHDownloader.h \
     DASHManager.cpp \
     DASHManager.h \
+    Helper.cpp \
+    Helper.h \
     $(NULL)
 libvlc_LTLIBRARIES += libstream_filter_dash_plugin.la