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 #include "String++.h"
  27
  28 /* standard binary package metadata:
  29  * Name (ie mutt
  30  * Vendor Version (ie 2.5.1)
  31  * Package Version (ie 16)
  32  * Stability
  33  * Files
  34  */
  35
  36 /* For non installed files, this class can be populated via information about
  37  * what is available on the net, or by parsing a specific package file.
  38  * for installed packages, this class should represent what is currently installed,
  39  * - updated by what net metadata has about it.
  40  * i.e. the stability of this version will change simply because the net mirrors
  41  * now consider it old.
  42  */
  43
  44 class site
  45 {
  46 public:
  47   site (String const &newkey);
  48   ~site ()
  49   {
  50   };
  51   String key;
  52 };
  53
  54 class packagesource
  55 {
  56 public:
  57   packagesource ():size (0), canonical (0), base (0), filename (0), cached ()
  58   {
  59   };
  60   /* how big is the source file */
  61   size_t size;
  62   /* The canonical name - the complete path to the source file
  63    * i.e. foo/bar/package-1.tar.bz2
  64    */
  65   virtual const char *Canonical ()
  66   {
  67     return canonical;
  68   };
  69   /* The basename - without extention
  70    * i.e. package-1
  71    */
  72   virtual const char *Base ()
  73   {
  74     return base;
  75   };
  76   /* The basename - with extention
  77    * i.e. package-1.tar.bz2
  78    */
  79   virtual const char *Filename ()
  80   {
  81     return filename;
  82   };
  83   /* what is the cached filename, to prevent directory scanning during install */
  84   virtual char const *Cached ()
  85   {
  86     return cached.cstr_oneuse();
  87   };
  88   /* sets the canonical path, and parses and creates base and filename */
  89   virtual void set_canonical (char const *);
  90   virtual void set_cached (String const &);
  91   list < site, String, String::casecompare > sites;
  92
  93   virtual ~ packagesource ()
  94   {
  95     if (canonical)
  96       delete []canonical;
  97     if (base)
  98       delete []base;
  99     if (filename)
 100       delete []filename;
 101   };
 102
 103 private:
 104   char *canonical;
 105   char *base;
 106   char *filename;
 107   String cached;
 108 };
 109
 110 #endif /* _PACKAGE_SOURCE_H_ */