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// solution_fragment.h -*-c++-*-
//
// Copyright (C) 2005 Daniel Burrows
//
// This program 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 2 of
// the License, or (at your option) any later version.
//
// This program 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 this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// Code to convert an aptitude resolver solution and some of its
// individual components to fragments.
#ifndef SOLUTION_FRAGMENT_H
#define SOLUTION_FRAGMENT_H
#include <apt-pkg/pkgcache.h>
// For aptitude_solution::action
#include <generic/problemresolver/solution.h>
// So passing aptitude_solution::action to a function is legal
#include <generic/apt/aptitude_resolver_universe.h>
class fragment;
class aptitude_universe;
fragment *solution_fragment(const generic_solution<aptitude_universe> &solution);
/** \return a list of the archives to which a version
* belongs in the form "archive1,archive2,..."
*/
std::string archives_text(const pkgCache::VerIterator &v);
/** \return a fragment describing the given action. */
fragment *action_fragment(const generic_solution<aptitude_universe>::action &a);
/** \return descriptive text about a single dependency. */
std::wstring dep_text(const pkgCache::DepIterator &d);
/** \return descriptive text about a conflict through a provides.
*
* \param conflict any dependency
* \param p a provides iterator corresponding to conflict. If conflict
* is not a Conflict, then p is ignored and conflict_text is
* identical to dep_text. Otherwise, p is taken to be
* the provides through which the conflict was discovered.
*/
std::wstring conflict_text(const pkgCache::DepIterator &conflict,
const pkgCache::PrvIterator &p);
/** \return descriptive text about the targets of a dependency. */
std::string dep_targets(const pkgCache::DepIterator &start);
#endif // SOLUTION_FRAGMENT_H
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