apt-pkg/edsp/edsplistparser.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 /* ######################################################################
   4
   5    Package Cache Generator - Generator for the cache structure.
   6
   7    This builds the cache structure from the abstract package list parser.
   8
   9    ##################################################################### */
  10                                                                         /*}}}*/
  11 // Include Files                                                        /*{{{*/
  12 #include <config.h>
  13
  14 #include <apt-pkg/edsplistparser.h>
  15 #include <apt-pkg/md5.h>
  16 #include <apt-pkg/deblistparser.h>
  17 #include <apt-pkg/pkgcache.h>
  18 #include <apt-pkg/cacheiterators.h>
  19 #include <apt-pkg/tagfile.h>
  20
  21 #include <string>
  22                                                                         /*}}}*/
  23
  24 // ListParser::edspListParser - Constructor                             /*{{{*/
  25 edspListParser::edspListParser(FileFd *File, std::string const &Arch) : debListParser(File, Arch)
  26 {}
  27                                                                         /*}}}*/
  28 // ListParser::NewVersion - Fill in the version structure               /*{{{*/
  29 bool edspListParser::NewVersion(pkgCache::VerIterator &Ver)
  30 {
  31    Ver->ID = Section.FindI("APT-ID", Ver->ID);
  32    return debListParser::NewVersion(Ver);
  33 }
  34                                                                         /*}}}*/
  35 // ListParser::Description - Return the description string              /*{{{*/
  36 // ---------------------------------------------------------------------
  37 /* Sorry, no description for the resolvers… */
  38 std::string edspListParser::Description()
  39 {
  40    return "";
  41 }
  42 std::string edspListParser::DescriptionLanguage()
  43 {
  44    return "";
  45 }
  46 MD5SumValue edspListParser::Description_md5()
  47 {
  48    return MD5SumValue("");
  49 }
  50                                                                         /*}}}*/
  51 // ListParser::VersionHash - Compute a unique hash for this version     /*{{{*/
  52 // ---------------------------------------------------------------------
  53 /* */
  54 unsigned short edspListParser::VersionHash()
  55 {
  56    if (Section.Exists("APT-Hash") == true)
  57       return Section.FindI("APT-Hash");
  58    else if (Section.Exists("APT-ID") == true)
  59       return Section.FindI("APT-ID");
  60    return 0;
  61 }
  62                                                                         /*}}}*/
  63 // ListParser::ParseStatus - Parse the status field                     /*{{{*/
  64 // ---------------------------------------------------------------------
  65 /* The Status: line here is not a normal dpkg one but just one which tells
  66    use if the package is installed or not, where missing means not. */
  67 bool edspListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
  68                                 pkgCache::VerIterator &Ver)
  69 {
  70    unsigned long state = 0;
  71    if (Section.FindFlag("Hold",state,pkgCache::State::Hold) == false)
  72       return false;
  73    if (state != 0)
  74       Pkg->SelectedState = pkgCache::State::Hold;
  75
  76    state = 0;
  77    if (Section.FindFlag("Installed",state,pkgCache::State::Installed) == false)
  78       return false;
  79    if (state != 0)
  80    {
  81       Pkg->CurrentState = pkgCache::State::Installed;
  82       Pkg->CurrentVer = Ver.Index();
  83    }
  84
  85    return true;
  86 }
  87                                                                         /*}}}*/
  88 // ListParser::LoadReleaseInfo - Load the release information           /*{{{*/
  89 APT_CONST bool edspListParser::LoadReleaseInfo(pkgCache::PkgFileIterator & /*FileI*/,
  90                                     FileFd & /*File*/, std::string /*component*/)
  91 {
  92    return true;
  93 }
  94                                                                         /*}}}*/