cygpackage.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 operations.
  17  */
  18
  19 #if 0
  20 static const char *cvsid =
  21   "\n%%% $Id$\n";
  22 #endif
  23
  24 #include "cygpackage.h"
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <unistd.h>
  28 #include "String++.h"
  29
  30 #include "io_stream.h"
  31 #include "compress.h"
  32
  33 #include "package_version.h"
  34 #include "cygpackage.h"
  35
  36 /* this constructor creates an invalid package - further details MUST be provided */
  37 cygpackage::cygpackage ():
  38 name (),
  39 vendor (),
  40 packagev (),
  41 canonical (),
  42 fn (),
  43 sdesc (),
  44 ldesc (),
  45 status (package_installed),
  46 type (package_binary),
  47 listdata (),
  48 listfile ()
  49 {
  50   memset( getfilenamebuffer, '\0', _MAX_PATH);
  51
  52   /* FIXME: query the install database for the currently installed
  53    * version details
  54    */
  55 }
  56
  57 packageversion
  58 cygpackage::createInstance (String const &pkgname)
  59 {
  60   cygpackage *temp = new cygpackage;
  61   temp->name = pkgname;
  62   return packageversion(temp);
  63 }
  64
  65 packageversion
  66 cygpackage::createInstance (String const &pkgname, String const &filename,
  67                             size_t const fs, String const &version,
  68                             package_status_t const newstatus,
  69                             package_type_t const newtype)
  70 {
  71   cygpackage *temp = new cygpackage;
  72   temp->name = pkgname;
  73   temp->fn = filename;
  74   temp->status = newstatus;
  75   temp->type = newtype;
  76   temp->filesize = fs;
  77   temp->setCanonicalVersion (version);
  78   return packageversion(temp);
  79 }
  80
  81 /* tell the version */
  82 void
  83 cygpackage::setCanonicalVersion (String const &version)
  84 {
  85   canonical = version;
  86   char *start = strchr (canonical.cstr_oneuse(), '-');
  87   char*curr=start;
  88   if (curr)
  89     {
  90       char *next;
  91       while ((next = strchr (curr + 1, '-')))
  92         curr = next;
  93       /* curr = last - in the version string */
  94       packagev = curr + 1;
  95       char tvendor [version.size() +1];
  96       strcpy (tvendor, version.cstr_oneuse());
  97       tvendor[curr - start] = '\0';
  98       vendor=tvendor;
  99     }
 100   else
 101     {
 102       packagev = 0;
 103       vendor = version;
 104     }
 105 }
 106
 107 cygpackage::~cygpackage ()
 108 {
 109   destroy ();
 110 }
 111
 112 /* helper functions */
 113
 114 void
 115 cygpackage::destroy ()
 116 {
 117 }
 118
 119 String const
 120 cygpackage::getfirstfile ()
 121 {
 122   if (listdata)
 123     delete listdata;
 124   listfile =
 125     io_stream::open (String ("cygfile:///etc/setup/") + name + ".lst.gz", "rb");
 126   listdata = compress::decompress (listfile);
 127   if (!listdata)
 128     return String();
 129   return listdata->gets (getfilenamebuffer, sizeof (getfilenamebuffer));
 130 }
 131
 132 String const
 133 cygpackage::getnextfile ()
 134 {
 135   if (listdata)
 136     return listdata->gets (getfilenamebuffer, sizeof (getfilenamebuffer));
 137   return String();
 138 }
 139
 140 void
 141 cygpackage::uninstall ()
 142 {
 143   if (listdata)
 144     delete listdata;
 145   listdata = 0;
 146   io_stream::remove (String("cygfile:///etc/setup/") + name + ".lst.gz");
 147 }
 148
 149 String const
 150 cygpackage::Name ()
 151 {
 152   return name;
 153 }
 154
 155 String const
 156 cygpackage::Vendor_version ()
 157 {
 158   return vendor;
 159 }
 160
 161 String const
 162 cygpackage::Package_version ()
 163 {
 164   return packagev;
 165 }
 166
 167 String  const
 168 cygpackage::Canonical_version ()
 169 {
 170   return canonical;
 171 }
 172
 173 void
 174 cygpackage::set_sdesc (String const &desc)
 175 {
 176   sdesc = desc;
 177 }
 178
 179 void
 180 cygpackage::set_ldesc (String const &desc)
 181 {
 182   ldesc = desc;
 183 }
 184
 185 #if 0
 186 package_stability_t cygpackage::Stability ()
 187 {
 188   return stability;
 189 }
 190 #endif