Cupt
state.hpp
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00001 /**************************************************************************
00002 *   Copyright (C) 2010 by Eugene V. Lyubimkin                             *
00003 *                                                                         *
00004 *   This program is free software; you can redistribute it and/or modify  *
00005 *   it under the terms of the GNU General Public License                  *
00006 *   (version 3 or above) as published by the Free Software Foundation.    *
00007 *                                                                         *
00008 *   This program is distributed in the hope that it will be useful,       *
00009 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00010 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00011 *   GNU General Public License for more details.                          *
00012 *                                                                         *
00013 *   You should have received a copy of the GNU GPL                        *
00014 *   along with this program; if not, write to the                         *
00015 *   Free Software Foundation, Inc.,                                       *
00016 *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA               *
00017 **************************************************************************/
00018 #ifndef CUPT_SYSTEM_STATE_SEEN
00019 #define CUPT_SYSTEM_STATE_SEEN
00020 
00022 
00023 #include <cupt/common.hpp>
00024 #include <cupt/fwd.hpp>
00025 
00026 namespace cupt {
00027 
00028 namespace internal {
00029 
00030 class CacheImpl;
00031 class StateData;
00032 
00033 }
00034 
00036 namespace system {
00037 
00039 class CUPT_API State
00040 {
00041     internal::StateData* __data;
00042     State(const State&);
00043  public:
00045     struct InstalledRecord
00046     {
00048         struct Want
00049         {
00051             enum Type { Unknown, Install, Hold, Deinstall, Purge, Count };
00052         };
00054         struct Flag
00055         {
00057             enum Type { Ok, Reinstreq, Hold, HoldAndReinstreq, Count };
00058         };
00060         struct Status
00061         {
00063             enum Type { NotInstalled, Unpacked, HalfConfigured, HalfInstalled, ConfigFiles,
00064                 PostInstFailed, RemovalFailed, Installed, TriggersPending, TriggersAwaited, Count };
00065             static const string strings[]; 
00066         };
00067         Want::Type want;
00068         Flag::Type flag;
00069         Status::Type status;
00070 
00072         bool isBroken() const;
00073     };
00074 
00076     CUPT_LOCAL State(shared_ptr< const Config >, internal::CacheImpl*);
00078     ~State();
00079 
00081 
00085     shared_ptr< const InstalledRecord > getInstalledInfo(const string& packageName) const;
00087 
00090     vector< string > getInstalledPackageNames() const;
00092     CUPT_LOCAL vector< string > getReinstallRequiredPackageNames() const;
00094 };
00095 
00096 }
00097 }
00098 
00099 #endif
00100