package_meta.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 _PACKAGE_META_H_
  17 #define _PACKAGE_META_H_
  18
  19 class packageversion;
  20
  21 class packagemeta
  22 {
  23 public:
  24   packagemeta (char const *pkgname):installed_from (0), versions (0),
  25     versioncount (0), versionspace (0), installed (0), prev (0), exp (0)
  26   {
  27     name = new char[strlen (pkgname) + 1];
  28       strcpy (name, pkgname);
  29   };
  30
  31   packagemeta (char const *pkgname,
  32                char const *installedfrom):installed_from (0), versions (0),
  33     versioncount (0), versionspace (0), installed (0), prev (0), exp (0)
  34   {
  35     name = new char[strlen (pkgname) + 1];
  36     strcpy (name, pkgname);
  37     installed_from = new char[strlen (installedfrom) + 1];
  38     strcpy (installed_from, installedfrom);
  39   };
  40
  41
  42   ~packagemeta ()
  43   {
  44     delete name;
  45     if (installed_from)
  46       delete installed_from;
  47   };
  48
  49   void add_version (packageversion &);
  50   void set_installed (packageversion &);
  51   void uninstall ();
  52
  53   char *name;
  54   /* legacy variable used to output data for installed.db versions <= 2 */
  55   char *installed_from;
  56
  57   /* this array is //NOT// sorted - too many pointer to get out of joint. */
  58   /* we can have member functions to return sorted details if desired */
  59   packageversion **versions;
  60   size_t versioncount;
  61   size_t versionspace;
  62   /* which one is installed. */
  63   packageversion *installed;
  64   /* which one is listed as "prev" in our available packages db */
  65   packageversion *prev;
  66   /* ditto for current - stable */
  67   packageversion *curr;
  68   /* and finally the experimental version */
  69   packageversion *exp;
  70 };
  71
  72 #endif /* _PACKAGE_META_H_ */