package_source.cc

   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 #if 0
  21 static const char *cvsid =
  22   "\n%%% $Id$\n";
  23 #endif
  24
  25 #include <stdlib.h>
  26 #include <strings.h>
  27 #include "package_source.h"
  28
  29 void
  30 packagesource::set_canonical (char const *fn)
  31 {
  32   if (canonical)
  33     delete[] canonical;
  34   canonical = new char[strlen (fn) + 1];
  35   strcpy (canonical, fn);
  36
  37   /* The base is from the last '/' to the first '.' following the last - */
  38   char const *bstart = strchr (fn, '/');
  39   char const *tmp;
  40   while (bstart && (tmp = strchr (bstart + 1, '/')))
  41     bstart = tmp;
  42
  43   if (!bstart)
  44     bstart = fn;
  45   char const *bend = strchr (bstart, '-');
  46   while (bend && (tmp = strchr (bend + 1, '-')))
  47     bend = tmp;
  48   if (bend)
  49     bend = strchr (bend, '.');
  50   else
  51     bend = strchr (bstart, '.');
  52
  53   if (!bend)
  54     bend = strchr (bstart, '\0');
  55   char const *end = strchr (fn, '\0');
  56   if (base)
  57     delete[] base;
  58   base = new char[bend - bstart];
  59   memcpy (base, bstart + 1, bend - bstart - 1);
  60   base[bend - bstart - 1] = '\0';
  61
  62   if (filename)
  63     delete[] filename;
  64   filename = new char[end - bstart];
  65   memcpy (filename, bstart + 1, end - bstart - 1);
  66   filename[end - bstart - 1] = '\0';
  67
  68   if (cached)
  69     delete[] cached;
  70   cached = 0;
  71 }
  72
  73 void
  74 packagesource::set_cached (char const *fp)
  75 {
  76   if (cached)
  77     delete[] cached;
  78   cached = new char[strlen (fp) + 1];
  79   strcpy (cached, fp);
  80 }