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-rw-r--r--apt-pkg/edsp/edsplistparser.cc185
1 files changed, 185 insertions, 0 deletions
diff --git a/apt-pkg/edsp/edsplistparser.cc b/apt-pkg/edsp/edsplistparser.cc
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+++ b/apt-pkg/edsp/edsplistparser.cc
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+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Package Cache Generator - Generator for the cache structure.
+
+ This builds the cache structure from the abstract package list parser.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/edsplistparser.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgsystem.h>
+
+#include <array>
+
+ /*}}}*/
+
+// ListParser::edspListParser - Constructor /*{{{*/
+edspLikeListParser::edspLikeListParser(FileFd * const File) : debListParser(File)
+{
+}
+edspListParser::edspListParser(FileFd * const File) : edspLikeListParser(File)
+{
+ std::string const states = _config->FindFile("Dir::State::extended_states");
+ RemoveFile("edspListParserPrivate", states);
+ extendedstates.Open(states, FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive, 0600);
+ std::string const prefs = _config->FindFile("Dir::Etc::preferences");
+ RemoveFile("edspListParserPrivate", prefs);
+ preferences.Open(prefs, FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive, 0600);
+}
+ /*}}}*/
+// ListParser::NewVersion - Fill in the version structure /*{{{*/
+bool edspLikeListParser::NewVersion(pkgCache::VerIterator &Ver)
+{
+ _system->SetVersionMapping(Ver->ID, Section.FindI("APT-ID", Ver->ID));
+ return debListParser::NewVersion(Ver);
+}
+ /*}}}*/
+// ListParser::Description - Return the description string /*{{{*/
+// ---------------------------------------------------------------------
+/* Sorry, no description for the resolvers… */
+std::vector<std::string> edspLikeListParser::AvailableDescriptionLanguages()
+{
+ return {};
+}
+MD5SumValue edspLikeListParser::Description_md5()
+{
+ return MD5SumValue("");
+}
+ /*}}}*/
+// ListParser::VersionHash - Compute a unique hash for this version /*{{{*/
+unsigned short edspLikeListParser::VersionHash()
+{
+ if (Section.Exists("APT-Hash") == true)
+ return Section.FindI("APT-Hash");
+ else if (Section.Exists("APT-ID") == true)
+ return Section.FindI("APT-ID");
+ return 0;
+}
+ /*}}}*/
+// ListParser::LoadReleaseInfo - Load the release information /*{{{*/
+APT_CONST bool edspLikeListParser::LoadReleaseInfo(pkgCache::RlsFileIterator & /*FileI*/,
+ FileFd & /*File*/, std::string const &/*component*/)
+{
+ return true;
+}
+ /*}}}*/
+// ListParser::ParseStatus - Parse the status field /*{{{*/
+// ---------------------------------------------------------------------
+/* The Status: line here is not a normal dpkg one but just one which tells
+ use if the package is installed or not, where missing means not. */
+bool edspListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
+{
+ unsigned long state = 0;
+ if (Section.FindFlag("Hold",state,pkgCache::State::Hold) == false)
+ return false;
+ if (state != 0)
+ Pkg->SelectedState = pkgCache::State::Hold;
+
+ state = 0;
+ if (Section.FindFlag("Installed",state,pkgCache::State::Installed) == false)
+ return false;
+ if (state != 0)
+ {
+ Pkg->CurrentState = pkgCache::State::Installed;
+ Pkg->CurrentVer = Ver.Index();
+ }
+
+ if (Section.FindB("APT-Automatic", false))
+ {
+ std::string out;
+ strprintf(out, "Package: %s\nArchitecture: %s\nAuto-Installed: 1\n\n", Pkg.Name(), Pkg.Arch());
+ if (extendedstates.Write(out.c_str(), out.length()) == false)
+ return false;
+ }
+
+ // FIXME: Using an overriding pin is wrong.
+ if (Section.FindB("APT-Candidate", false))
+ {
+ std::string out;
+ strprintf(out, "Package: %s\nPin: version %s\nPin-Priority: 9999\n\n", Pkg.FullName().c_str(), Ver.VerStr());
+ if (preferences.Write(out.c_str(), out.length()) == false)
+ return false;
+ }
+
+ signed short const pinvalue = Section.FindI("APT-Pin", 500);
+ if (pinvalue != 500)
+ {
+ std::string out;
+ strprintf(out, "Package: %s\nPin: version %s\nPin-Priority: %d\n\n", Pkg.FullName().c_str(), Ver.VerStr(), pinvalue);
+ if (preferences.Write(out.c_str(), out.length()) == false)
+ return false;
+ }
+
+ return true;
+}
+ /*}}}*/
+
+// ListParser::eippListParser - Constructor /*{{{*/
+eippListParser::eippListParser(FileFd *File) : edspLikeListParser(File)
+{
+}
+ /*}}}*/
+// ListParser::ParseStatus - Parse the status field /*{{{*/
+// ---------------------------------------------------------------------
+/* The Status: line here is not a normal dpkg one but just one which tells
+ use if the package is installed or not, where missing means not. */
+bool eippListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
+{
+ // Process the flag field
+ static std::array<WordList, 8> const statusvalues = {{
+ {"not-installed",pkgCache::State::NotInstalled},
+ {"config-files",pkgCache::State::ConfigFiles},
+ {"half-installed",pkgCache::State::HalfInstalled},
+ {"unpacked",pkgCache::State::UnPacked},
+ {"half-configured",pkgCache::State::HalfConfigured},
+ {"triggers-awaited",pkgCache::State::TriggersAwaited},
+ {"triggers-pending",pkgCache::State::TriggersPending},
+ {"installed",pkgCache::State::Installed},
+ }};
+ auto const status = Section.Find("Status");
+ if (status.empty() == false)
+ {
+ for (auto && sv: statusvalues)
+ {
+ if (status != sv.Str)
+ continue;
+ Pkg->CurrentState = sv.Val;
+ switch (Pkg->CurrentState)
+ {
+ case pkgCache::State::NotInstalled:
+ case pkgCache::State::ConfigFiles:
+ break;
+ case pkgCache::State::HalfInstalled:
+ case pkgCache::State::UnPacked:
+ case pkgCache::State::HalfConfigured:
+ case pkgCache::State::TriggersAwaited:
+ case pkgCache::State::TriggersPending:
+ case pkgCache::State::Installed:
+ Pkg->CurrentVer = Ver.Index();
+ break;
+ }
+ break;
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
+
+edspLikeListParser::~edspLikeListParser() {}
+edspListParser::~edspListParser() {}
+eippListParser::~eippListParser() {}