package_source.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 /* this is the parent class for all package source (not source code - installation
  17  * source as in http/ftp/disk file) operations.
  18  */
  19
  20 #ifndef _PACKAGE_SOURCE_H_
  21 #define _PACKAGE_SOURCE_H_
  22
  23 /* required to parse this file */
  24 #include "list.h"
  25 #include "strings.h"
  26
  27 /* standard binary package metadata:
  28  * Name (ie mutt
  29  * Vendor Version (ie 2.5.1)
  30  * Package Version (ie 16)
  31  * Stability
  32  * Files
  33  */
  34
  35 /* For non installed files, this class can be populated via information about
  36  * what is available on the net, or by parsing a specific package file.
  37  * for installed packages, this class should represent what is currently installed,
  38  * - updated by what net metadata has about it.
  39  * i.e. the stability of this version will change simply because the net mirrors
  40  * now consider it old.
  41  */
  42
  43 class site
  44 {
  45 public:
  46   site (char const *newkey)
  47   {
  48     key = new char[strlen (newkey + 1)];
  49       strcpy (key, newkey);
  50   };
  51   ~site ()
  52   {
  53     if (key)
  54       delete[] key;
  55   };
  56   char *key;
  57 };
  58
  59 class packagesource
  60 {
  61 public:
  62   packagesource ():size (0), canonical (0), base (0), filename (0), cached (0)
  63   {
  64   };
  65   /* how big is the source file */
  66   size_t size;
  67   /* The canonical name - the complete path to the source file
  68    * i.e. foo/bar/package-1.tar.bz2
  69    */
  70   virtual const char *Canonical ()
  71   {
  72     return canonical;
  73   };
  74   /* The basename - without extention
  75    * i.e. package-1
  76    */
  77   virtual const char *Base ()
  78   {
  79     return base;
  80   };
  81   /* The basename - with extention
  82    * i.e. package-1.tar.bz2
  83    */
  84   virtual const char *Filename ()
  85   {
  86     return filename;
  87   };
  88   /* what is the cached filename, to prevent directory scanning during install */
  89   virtual char const *Cached ()
  90   {
  91     return cached;
  92   };
  93   /* sets the canonical path, and parses and creates base and filename */
  94   virtual void set_canonical (char const *);
  95   virtual void set_cached (char const *);
  96   list < site, char const *, strcasecmp > sites;
  97
  98   virtual ~ packagesource ()
  99   {
 100     if (canonical)
 101       delete canonical;
 102     if (base)
 103       delete base;
 104     if (filename)
 105       delete filename;
 106     if (cached)
 107       delete cached;
 108   };
 109
 110 private:
 111   char *canonical;
 112   char *base;
 113   char *filename;
 114   char *cached;
 115 };
 116
 117 #endif /* _PACKAGE_SOURCE_H_ */