141 lines
5.1 KiB
C++
141 lines
5.1 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2013 Ciaran McCreesh
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*
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* This file is part of the Paludis package manager. Paludis is free software;
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* you can redistribute it and/or modify it under the terms of the GNU General
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* Public License version 2, as published by the Free Software Foundation.
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*
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* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PALUDIS_GUARD_PALUDIS_REPOSITORIES_UNPACKAGED_NDBAM_HH
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#define PALUDIS_GUARD_PALUDIS_REPOSITORIES_UNPACKAGED_NDBAM_HH 1
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#include <paludis/ndbam-fwd.hh>
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#include <paludis/util/pimp.hh>
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#include <paludis/util/attributes.hh>
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#include <paludis/util/fs_path.hh>
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#include <paludis/util/sequence-fwd.hh>
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#include <paludis/util/named_value.hh>
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#include <paludis/name.hh>
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#include <paludis/version_spec.hh>
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#include <paludis/package_id-fwd.hh>
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#include <paludis/contents-fwd.hh>
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#include <functional>
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#include <mutex>
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namespace paludis
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{
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namespace n
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{
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typedef Name<struct name_fs_location> fs_location;
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typedef Name<struct name_magic> magic;
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typedef Name<struct name_mutex> mutex;
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typedef Name<struct name_name> name;
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typedef Name<struct name_package_id> package_id;
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typedef Name<struct name_slot> slot;
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typedef Name<struct name_version> version;
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}
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struct NDBAMEntry
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{
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NamedValue<n::fs_location, FSPath> fs_location;
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NamedValue<n::magic, std::string> magic;
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NamedValue<n::mutex, std::shared_ptr<std::mutex> > mutex;
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NamedValue<n::name, QualifiedPackageName> name;
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NamedValue<n::package_id, std::shared_ptr<PackageID> > package_id;
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NamedValue<n::slot, SlotName> slot;
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NamedValue<n::version, VersionSpec> version;
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};
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/**
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* NDBAM provides a partial implementation of a Repository for installed packages using
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* a Paludis-defined on-disk format. It is used by unpackaged repositories and exndbam,
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* where the format can be defined by us. NDBAM is designed to reduce unnecessary disk
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* access and to reduce the need for global locking.
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*
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* \ingroup g_ndbam
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* \since 0.26
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*/
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class PALUDIS_VISIBLE NDBAM
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{
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private:
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Pimp<NDBAM> _imp;
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public:
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///\name Basic operations
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///\{
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/**
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* Constructor.
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*
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* \param version_options \since 0.38
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*/
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NDBAM(const FSPath &,
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const std::function<bool (const std::string &)> & check_format,
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const std::string & preferred_format, const VersionSpecOptions & version_options);
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~NDBAM();
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///\}
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///\name Repository method implementations
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///\{
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std::shared_ptr<const CategoryNamePartSet> category_names()
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PALUDIS_ATTRIBUTE((warn_unused_result));
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std::shared_ptr<const QualifiedPackageNameSet> package_names(
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const CategoryNamePart & c)
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PALUDIS_ATTRIBUTE((warn_unused_result));
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std::shared_ptr<const CategoryNamePartSet> category_names_containing_package(
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const PackageNamePart &) const
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PALUDIS_ATTRIBUTE((warn_unused_result));
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bool has_package_named(const QualifiedPackageName &)
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PALUDIS_ATTRIBUTE((warn_unused_result));
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bool has_category_named(const CategoryNamePart &)
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PALUDIS_ATTRIBUTE((warn_unused_result));
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std::shared_ptr<NDBAMEntrySequence> entries(const QualifiedPackageName &)
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PALUDIS_ATTRIBUTE((warn_unused_result));
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void add_entry(const QualifiedPackageName &, const FSPath &);
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void remove_entry(const QualifiedPackageName &, const FSPath &);
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///\}
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/**
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* Parse the contents file for a given ID, using the provided callbacks.
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*/
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void parse_contents(const PackageID &,
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const std::function<void (const std::shared_ptr<const ContentsEntry> &)> & on_file,
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const std::function<void (const std::shared_ptr<const ContentsEntry> &)> & on_dir,
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const std::function<void (const std::shared_ptr<const ContentsEntry> &)> & on_sym
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) const;
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/**
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* Index a newly added QualifiedPackageName, using the provided data directory
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* name part.
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*/
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void index(const QualifiedPackageName &, const std::string &) const;
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/**
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* Deindex a QualifiedPackageName that no longer has any versions installed.
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*/
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void deindex(const QualifiedPackageName &) const;
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};
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}
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#endif
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