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