path.h

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/*
   Copyright (c) 2012, 2023, Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.
 
   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, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/
#ifndef PATH_UTIL_INCLUDED
#define PATH_UTIL_INCLUDED
#include <ostream>
#include <string>
 
/**
  A helper class for handling file paths. The class can handle the memory
  on its own or it can wrap an external string.
  @note This is a rather trivial wrapper which doesn't handle malformed paths
  or filenames very well.
  @see unittest/gunit/path-t.cc
 
*/
class Path {
 public:
  Path();
 
  Path(const std::string &s);
 
  Path(const Path &p);
 
  bool path_getcwd();
 
  void trim();
 
  void parent_directory(Path *out);
 
  Path &up();
 
  Path &append(const std::string &path);
 
  Path &filename_append(const std::string &ext);
 
  void path(const std::string &p);
 
  void filename(const std::string &f);
 
  void path(const Path &p);
 
  void filename(const Path &p);
 
  bool qpath(const std::string &qp);
 
  bool normalize_path();
 
  bool is_qualified_path();
 
  bool exists();
 
  const std::string to_str();
 
  bool empty();
#ifndef _WIN32
  void get_homedir();
#endif
 
  friend std::ostream &operator<<(std::ostream &op, const Path &p);
 
 private:
  std::string m_path;
  std::string m_filename;
};
 
std::ostream &operator<<(std::ostream &op, const Path &p);
 
#endif