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/******************************************************************************\
* This file is part of packup. *
* *
* packup is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* packup is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with packup. If not, see <http://www.gnu.org/licenses/>. *
\******************************************************************************/
/*
* File: NotRemoved.cc
* Author: mikolas
*
* Created on October 11, 2010, 6:51 PM
* Copyright (C) 2011, Mikolas Janota
*/
#include "NotRemoved.hh"
#include "InstallableUnit.hh"
NotRemoved::NotRemoved(const PackageUnits& units)
: units (units)
{
}
NotRemoved::~NotRemoved() {
}
void NotRemoved::add(CONSTANT string& package_name) {
if (CONTAINS (not_removed, package_name)) return;
#ifdef CONV_DBG
cerr << "not removed: " << package_name << endl;
#endif
not_removed.insert(package_name);
StringSet required;
PackageUnits::const_iterator i = units.find(package_name);
if (i==units.end()) return;
CONSTANT UnitVector & unit_vector =*(i->second);
bool first=true;
FOR_EACH (UnitVector::const_iterator, unit_index, unit_vector)
{
CONSTANT InstallableUnit& unit=**unit_index;
StringSet new_required;
FOR_EACH (PackageVersionsCNF::const_iterator,clause_index,unit.depends_cnf)
{
CONSTANT PackageVersionsList& literals = **clause_index;
if (literals.size() != 1) continue;//considering only unit requirements
CONSTANT string& requirement_name = literals[0].name();
if (first || CONTAINS(required,requirement_name)) new_required.insert(requirement_name);
}
required = new_required;
first=false;
}
FOR_EACH (StringSet::const_iterator, requirement_index, required)
{
add (*requirement_index);
}
}
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