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                                                                         /*}}}*/
  22
  23 // ListParser::edspListParser - Constructor                             /*{{{*/
  24 edspListParser::edspListParser(FileFd *File) : debListParser(File), d(NULL)
  25 {}
  26                                                                         /*}}}*/
  27 // ListParser::NewVersion - Fill in the version structure               /*{{{*/
  28 bool edspListParser::NewVersion(pkgCache::VerIterator &Ver)
  29 {
  30    Ver->ID = Section.FindI("APT-ID", Ver->ID);
  31    return debListParser::NewVersion(Ver);
  32 }
  33                                                                         /*}}}*/
  34 // ListParser::Description - Return the description string              /*{{{*/
  35 // ---------------------------------------------------------------------
  36 /* Sorry, no description for the resolvers… */
  37 std::string edspListParser::Description()
  38 {
  39    return "";
  40 }
  41 std::string edspListParser::DescriptionLanguage()
  42 {
  43    return "";
  44 }
  45 MD5SumValue edspListParser::Description_md5()
  46 {
  47    return MD5SumValue("");
  48 }
  49                                                                         /*}}}*/
  50 // ListParser::VersionHash - Compute a unique hash for this version     /*{{{*/
  51 // ---------------------------------------------------------------------
  52 /* */
  53 unsigned short edspListParser::VersionHash()
  54 {
  55    if (Section.Exists("APT-Hash") == true)
  56       return Section.FindI("APT-Hash");
  57    else if (Section.Exists("APT-ID") == true)
  58       return Section.FindI("APT-ID");
  59    return 0;
  60 }
  61                                                                         /*}}}*/
  62 // ListParser::ParseStatus - Parse the status field                     /*{{{*/
  63 // ---------------------------------------------------------------------
  64 /* The Status: line here is not a normal dpkg one but just one which tells
  65    use if the package is installed or not, where missing means not. */
  66 bool edspListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
  67                                 pkgCache::VerIterator &Ver)
  68 {
  69    unsigned long state = 0;
  70    if (Section.FindFlag("Hold",state,pkgCache::State::Hold) == false)
  71       return false;
  72    if (state != 0)
  73       Pkg->SelectedState = pkgCache::State::Hold;
  74
  75    state = 0;
  76    if (Section.FindFlag("Installed",state,pkgCache::State::Installed) == false)
  77       return false;
  78    if (state != 0)
  79    {
  80       Pkg->CurrentState = pkgCache::State::Installed;
  81       Pkg->CurrentVer = Ver.Index();
  82    }
  83
  84    return true;
  85 }
  86                                                                         /*}}}*/
  87 // ListParser::LoadReleaseInfo - Load the release information           /*{{{*/
  88 APT_CONST bool edspListParser::LoadReleaseInfo(pkgCache::RlsFileIterator & /*FileI*/,
  89                                     FileFd & /*File*/, std::string const &/*component*/)
  90 {
  91    return true;
  92 }
  93                                                                         /*}}}*/
  94
  95 edspListParser::~edspListParser() {}