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) {key = new char[strlen (newkey+1)];strcpy (key,newkey);};
  47   ~site () {if (key) delete key;};
  48   char * key;
  49 };
  50
  51 class packagesource
  52 {
  53 public:
  54   packagesource () : size (0), canonical(0),base (0),filename (0),cached (0) {};
  55   /* how big is the source file */
  56   size_t size;
  57   /* The canonical name - the complete path to the source file
  58    * i.e. foo/bar/package-1.tar.bz2
  59    */
  60   virtual const char *Canonical () {return canonical;};
  61   /* The basename - without extention
  62    * i.e. package-1
  63    */
  64   virtual const char *Base () {return base;};
  65   /* The basename - with extention
  66    * i.e. package-1.tar.bz2
  67    */
  68   virtual const char *Filename () {return filename;};
  69   /* what is the cached filename, to prevent directory scanning during install */
  70   virtual char const *Cached () {return cached;};
  71   /* sets the canonical path, and parses and creates base and filename */
  72   virtual void set_canonical (char const *);
  73   list <site, char const *, strcasecmp> sites;
  74 #if 0
  75   /* The name from the installation cache - may be the same as Canonical */
  76   virtual const char *CachedName () = 0;
  77 #endif
  78
  79     virtual ~ packagesource ()
  80   {
  81     if (canonical)
  82       delete canonical;
  83     if (base)
  84       delete base;
  85     if (filename)
  86       delete filename;
  87     if (cached)
  88       delete cached;
  89   };
  90
  91 private:
  92   char * canonical;
  93   char * base;
  94   char * filename;
  95   char * cached;
  96 };
  97
  98 #endif /* _PACKAGE_SOURCE_H_ */