DirSearchPath.h

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#ifndef JOBOPTIONS_DIRSEARCHPATH_H
#define JOBOPTIONS_DIRSEARCHPATH_H

#include <list>
#include <functional>  /* binary_function */
#include <string>
#include "boost/filesystem/path.hpp"
#include "boost/filesystem/exception.hpp" /*filesystem_error*/
#include "GaudiKernel/Kernel.h" /* GAUDI_API */
class GAUDI_API DirSearchPath {
public:
  typedef boost::filesystem::path path;


  DirSearchPath() { addCWD(); }
#ifdef _WIN32
  DirSearchPath(const std::string& stringifiedPath, const char* separator=",;");
#else
  DirSearchPath(const std::string& stringifiedPath, const char* separator=",:");
#endif



  //  bool add(const std::string& dirName); ///< \throws filesystem_error
  bool add(const path& dir);            
  bool addCWD();         



  bool find(const std::string& fileName, std::string& fullFileName) const;
  bool find(const path& file, path& fileFound) const;
  std::list<path> find_all(const path& file) const;



  static bool existsDir(const std::string& dirName); 
  static bool existsDir(const path& dir); 


private:
  //
  struct eqPath : public std::unary_function<const path&,bool> {
    eqPath(const path& ref) : m_ref(ref) {}
    bool operator() (const path& p) const {
      return p.string() == m_ref.string();
    }
  private:
    path m_ref;
  };
  // @class lessPath order paths by (system-independent) name
  //struct lessPath : public std::binary_function<const path&,const path&,bool> {
  // bool operator() (const path& lhs, const path& rhs) const {
  //   return lhs.string() < rhs.string();
  // }
  //};

  //  typedef std::set<path, lessPath> PathSet; ///<a set ordered by path name
  //  PathSet m_dirs;   ///<the dir container
  //
  std::list<path> m_dirs;   
};
#endif // JOBOPTIONS_DIRSEARCHPATH_H