Pathname.h

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// $Id: Pathname.h,v 1.1 2010/02/23 17:19:58 eml Exp $

#ifndef GCP_UTIL_PATHNAME_H
#define GCP_UTIL_PATHNAME_H

#include <iostream>

namespace gcp {
  namespace util {

    class Pathname {
    public:

      Pathname();

      virtual ~Pathname();

      // Return an expanded version of the directory and filename,
      // explicitly filling in for relative paths, symbolic home
      // directories, and environment variables

      static std::string expand(std::string dir, std::string file);

    private:

      // Read the user name at the start of a directory name and
      // replace it by the home directory of the user. Record the
      // result in buffer[].
      
      static void expandHomeDir(char *dir, size_t buflen, char *buffer);
      
      // Read the environment variable at the start of a directory name
      // and replace it by its value. Record the result in buffer[].
      
      static void expandEnvVar(char *dir, size_t buflen, char *buffer);
      
    }; // End class Pathname

  } // End namespace util
} // End namespace gcp



#endif // End #ifndef GCP_UTIL_PATHNAME_H