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// tags.h -*-c++-*-
//
// Copyright (C) 2005, 2007, 2010 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.
//
#ifndef TAGS_H
#define TAGS_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_EPT
#include <ept/debtags/debtags.h>
#endif // HAVE_EPT
#include <apt-pkg/pkgcache.h>
#include <set>
#include <string>
#ifndef HAVE_EPT
#define DEBTAGS_ARE_STRINGS 1
#else
#ifdef EPT_DEBTAGS_GETTAGSOFITEM_RETURNS_STRINGS
#define DEBTAGS_ARE_STRINGS 1
#endif
#endif
class OpProgress;
namespace aptitude
{
namespace apt
{
#ifdef DEBTAGS_ARE_STRINGS
typedef std::string tag;
inline std::string get_fullname(const std::string &t)
{
return t;
}
#else
// Probably means a new version of libept does something the
// configure checks can't recognize.
#error "Don't know how to represent a debtags tag."
#endif
/** \brief Initialize the cache of debtags information. */
void load_tags(OpProgress *progress = NULL);
/** /brief Grab the tags for the given package. */
const std::set<tag> get_tags(const pkgCache::PkgIterator &pkg);
/** \brief Get the name of the facet corresponding to a tag. */
std::string get_facet_name(const tag &t);
/** \brief Get the name of a tag (the full name minus the facet). */
std::string get_tag_name(const tag &t);
/** \brief Get the short description of a tag. */
std::string get_tag_short_description(const tag &t);
/** \brief Get the long description of a tag. */
std::string get_tag_long_description(const tag &t);
// \note This interface could be more efficient if it just used
// facet names like libept does. Using tags is a concession to
// backwards compatibility (it's hard to implement one interface
// that covers both cases without a lot of cruft). In any event,
// this shouldn't be called enough to matter.
/** \brief Get the short description of the facet corresponding to a tag. */
std::string get_facet_short_description(const tag &t);
/** \brief Get the long description of the facet corresponding to a tag. */
std::string get_facet_long_description(const tag &t);
}
}
// If ept is unavailable, we use our own (broken!) code to build an
// in-memory database of package tags. Otherwise, this code just
// handles initializing it, destroying it, and extracting information
// from it. Note that this means that all callers have to be
// conditionalized on HAVE_EPT: the "tag" class this used to return is
// broken wrt hierarchies and just using ept is simpler.
#endif
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