#ifndef XMLTOOLDIRHH
#define XMLTOOLDIRHH

#include "ExpatInterface/Element.h"

namespace xmlTool {
 
  class Directory {
  private:
    const xml::Element & _elt;          // WIPTMNCH
    const std::string _tag;             // IWNCH
    const std::string _attName;         // IWNCH
    std::vector<const xml::Element *> _cwd;  // WTPTMNCH IMCH
  public:
    Directory(const xml::Element & elt,    // WIPTMNCH
	      const std::string & tag,     // WIPTWNCH
	      const std::string & attName);// WIPTWNCH
    // Within element "elt" we take
    // "tag" elements to be directories
    // distinguished by their attribute "attName".
    // The user guarantees that elt itself may be treated as
    // a "root directory", even if it is not of type "tag" itself.
    // This will be our start directory.
    const xml::Element & getCurDirElt() const;   // WIPTMNCH ACOF
    const std::string getCurDirName() const;     // WIRMCH but happy ACOF
    const std::vector<std::string> getDirNames() const;//WIPTMCH but happy ACOF
    
    // Changing directories:
    // This method returns true if is was possible to change
    // directory as requested, and false otherwise.
    // Valid newDirNames are:
    // string("")      // Goes to the root
    // string("/")     // Also goes to the root
    // string("..")    // Goes one directory back.  If you are
                       // already in the root, it goes nowhere.
                       // It will still return true though.
    // string("blah")  // This is valid if there is a 
                       // directory called "blah" in the current dir.
    const bool changeDir(const std::string & newDirName=std::string("")); 
                                                 // WIPTCNCH NACF
  };
}

#endif