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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011 Ciaran McCreesh
* Copyright (c) 2007 Piotr Jaroszyński
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PALUDIS_GUARD_PALUDIS_REPOSITORIES_GENTOO_VDB_UNMERGER_HH
#define PALUDIS_GUARD_PALUDIS_REPOSITORIES_GENTOO_VDB_UNMERGER_HH 1
#include <paludis/repository.hh>
#include <paludis/util/pimp.hh>
#include <paludis/unmerger.hh>
namespace paludis
{
class Environment;
namespace n
{
typedef Name<struct name_config_protect> config_protect;
typedef Name<struct name_config_protect_mask> config_protect_mask;
typedef Name<struct name_environment> environment;
typedef Name<struct name_ignore> ignore;
typedef Name<struct name_output_manager> output_manager;
typedef Name<struct name_package_id> package_id;
typedef Name<struct name_root> root;
}
/**
* Options for a VDBUnmerger.
*
* \see VDBUnmerger
* \ingroup grpvdbrepository
* \nosubgrouping
*/
struct VDBUnmergerOptions
{
NamedValue<n::config_protect, std::string> config_protect;
NamedValue<n::config_protect_mask, std::string> config_protect_mask;
NamedValue<n::environment, Environment *> environment;
NamedValue<n::ignore, const std::function<bool (const FSPath &)> > ignore;
NamedValue<n::output_manager, std::shared_ptr<OutputManager> > output_manager;
NamedValue<n::package_id, std::shared_ptr<const PackageID> > package_id;
NamedValue<n::root, FSPath> root;
};
/**
* Thrown if an unmerge from a VDBRepository using VDBUnmerger fails.
*
* \ingroup grpvdbrepository
* \ingroup grpexceptions
* \nosubgrouping
*/
class PALUDIS_VISIBLE VDBUnmergerError :
public UnmergerError
{
public:
///\name Basic operations
///\{
VDBUnmergerError(const std::string &) throw ();
///\}
};
/**
* Handle unmerging from a VDBRepository.
*
* \ingroup grpvdbrepository
* \nosubgrouping
*/
class PALUDIS_VISIBLE VDBUnmerger :
public Unmerger
{
private:
Pimp<VDBUnmerger> _imp;
protected:
bool config_protected(const FSPath &) const;
std::string make_tidy(const FSPath &) const;
void populate_unmerge_set();
void display(const std::string &) const;
bool check_file(const std::shared_ptr<const ContentsEntry> &) const;
bool check_dir(const std::shared_ptr<const ContentsEntry> &) const;
bool check_sym(const std::shared_ptr<const ContentsEntry> &) const;
bool check_misc(const std::shared_ptr<const ContentsEntry> &) const;
public:
///\name Basic operations
///\{
VDBUnmerger(const VDBUnmergerOptions &);
~VDBUnmerger();
///\}
virtual Hook extend_hook(const Hook &) const;
};
}
#endif
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