move m_curDir to the parser class

Change-Id: Ib3cf15dfbb7af861a3c2fa8e746a0b0baaaa512e
diff --git a/src/CParser.hpp b/src/CParser.hpp
index 4b3e1c4..a7d5790 100644
--- a/src/CParser.hpp
+++ b/src/CParser.hpp
@@ -36,7 +36,10 @@
 public:
     CParser(const CTree& tree);
     cd_ parseCommand(const std::string& line, std::ostream& errorStream);
+    void changeNode(const path_& name);
+    std::string currentNode() const;
 
 private:
     const CTree& m_tree;
+    std::string m_curDir;
 };