File.hpp

/*
   Copyright (C) 2003-2006 MySQL AB, 2008 Sun Microsystems, Inc.
    All rights reserved. Use is subject to license terms.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   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 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 FILE_H
#define FILE_H

#include <ndb_global.h>

class File_class
{
public:
  static time_t mtime(const char* aFileName);      

  static bool exists(const char* aFileName);      

  static off_t size(FILE* f);

  static bool rename(const char* currFileName, const char* newFileName);

  static bool remove(const char* aFileName);      
  
  File_class();

  File_class(const char* aFileName, const char* mode = "r");

  ~File_class();

  bool open();

  bool open(const char* aFileName, const char* mode);

  bool is_open();

  bool remove();

  bool close();

  int read(void* buf, size_t itemSize, size_t nitems) const;

  int readChar(char* buf, long start, long length) const;  

  int readChar(char* buf);  

  int write(const void* buf, size_t itemSize, size_t nitems);     

  int writeChar(const char* buf, long start, long length);   

  int writeChar(const char* buf); 

  off_t size() const;

  const char* getName() const;

  int flush() const;

private:
  FILE* m_file;
  char m_fileName[PATH_MAX];
  const char* m_fileMode;
  /* Prohibit */
  File_class (const File_class& aCopy);
  File_class operator = (const File_class&); 
  bool operator == (const File_class&);
};
#endif