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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>
/*}}}*/
class edspListParserPrivate /*{{{*/
{
public:
FileFd extendedstates;
FileFd preferences;
edspListParserPrivate()
{
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::edspListParser - Constructor /*{{{*/
edspListParser::edspListParser(FileFd *File) : debListParser(File), d(new edspListParserPrivate())
{
}
/*}}}*/
// ListParser::NewVersion - Fill in the version structure /*{{{*/
bool edspListParser::NewVersion(pkgCache::VerIterator &Ver)
{
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::string edspListParser::Description()
{
return "";
}
std::string edspListParser::DescriptionLanguage()
{
return "";
}
MD5SumValue edspListParser::Description_md5()
{
return MD5SumValue("");
}
/*}}}*/
// ListParser::VersionHash - Compute a unique hash for this version /*{{{*/
// ---------------------------------------------------------------------
/* */
unsigned short edspListParser::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::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 (d->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 (d->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 (d->preferences.Write(out.c_str(), out.length()) == false)
return false;
}
return true;
}
/*}}}*/
// ListParser::LoadReleaseInfo - Load the release information /*{{{*/
APT_CONST bool edspListParser::LoadReleaseInfo(pkgCache::RlsFileIterator & /*FileI*/,
FileFd & /*File*/, std::string const &/*component*/)
{
return true;
}
/*}}}*/
edspListParser::~edspListParser() /*{{{*/
{
delete d;
}
/*}}}*/
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