package_db.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_DB_H_
  17 #define _PACKAGE_DB_H_
  18
  19 class CategoryList;
  20 class packagemeta;
  21 class io_stream;
  22
  23 /*TODO: add mutexs */
  24 class packagedb
  25 {
  26 public:
  27   packagedb ();
  28   packagemeta *getfirstpackage ();
  29   packagemeta *getnextpackage ();
  30   packagemeta *getpackagebyname (const char *);
  31   /* 0 on success */
  32   int addpackage (packagemeta &);
  33   /* 0 on success */
  34   int flush ();
  35   /* return an existing record if it exists, otherwise make a new one */
  36     packagemeta & registerpackage (char const *);
  37   size_t npackages ()
  38   {
  39     return packagecount;
  40   };
  41   /* all seen categories */
  42   static CategoryList categories;
  43 private:
  44   /* this gets sorted */
  45   static packagemeta **packages;
  46   static size_t packagecount;
  47   static size_t packagespace;
  48   size_t curr_package;
  49   io_stream *db;
  50   static int installeddbread;   /* do we have to reread this */
  51 };
  52
  53 #endif /* _PACKAGE_DB_H_ */