io_stream_cygfile.h

   1 /*
   2  * Copyright (c) 2001, Robert Collins.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Robert Collins  <rbtcollins@hotmail.com>
  13  *
  14  */
  15
  16 #ifndef SETUP_IO_STREAM_CYGFILE_H
  17 #define SETUP_IO_STREAM_CYGFILE_H
  18
  19 #include "io_stream.h"
  20
  21
  22 /* io_stream on disk files using cygwin paths
  23  * and potentially understanding links in the future
  24  */
  25
  26 extern int cygmkdir_p (path_type_t isadir, const std::string& path);
  27
  28 class io_stream_cygfile:public io_stream
  29 {
  30 public:
  31   static int exists (const std::string& );
  32   static int remove (const std::string& );
  33   static int mklink (const std::string& , const std::string& , io_stream_link_t);
  34     io_stream_cygfile (const std::string& , const std::string& );
  35     virtual ~ io_stream_cygfile ();
  36   /* read data (duh!) */
  37   virtual ssize_t read (void *buffer, size_t len);
  38   /* provide data to (double duh!) */
  39   virtual ssize_t write (const void *buffer, size_t len);
  40   /* read data without removing it from the class's internal buffer */
  41   virtual ssize_t peek (void *buffer, size_t len);
  42   virtual long tell ();
  43   virtual int seek (long where, io_stream_seek_t whence);
  44   /* can't guess, oh well */
  45   virtual int error ();
  46   virtual int set_mtime (int);
  47   /* not relevant yet */
  48   virtual int get_mtime ()
  49   {
  50     return 0;
  51   };
  52   virtual size_t get_size ();
  53   static int move (const std::string& ,const std::string& );
  54 private:
  55   /* always require parameters */
  56   io_stream_cygfile ()
  57   {
  58   };
  59   friend int cygmkdir_p (path_type_t isadir, const std::string& _name);
  60   static std::string normalise (const std::string& unixpath);
  61   FILE *fp;
  62   int lasterr;
  63   std::string fname;
  64   std::string lmode;
  65   static std::string cwd;
  66 };
  67
  68 #endif /* SETUP_IO_STREAM_CYGFILE_H */