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cache.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_CACHE_CACHE_SEEN
00019 #define CUPT_CACHE_CACHE_SEEN
00020 
00022 
00023 #include <boost/xpressive/xpressive_fwd.hpp>
00024 
00025 #include <set>
00026 
00027 #include <cupt/common.hpp>
00028 #include <cupt/fwd.hpp>
00029 #include <cupt/hashsums.hpp>
00030 
00031 namespace cupt {
00032 
00033 namespace internal {
00034 
00035 struct CacheImpl;
00036 
00037 }
00038 
00039 using std::set;
00040 
00041 using namespace cache;
00042 
00044 class CUPT_API Cache
00045 {
00046  public:
00048 
00052     struct IndexEntry
00053     {
00055         enum Type { Source, Binary } category;
00056         string uri; 
00057         string distribution; 
00058         string component; 
00059     };
00061     struct IndexDownloadRecord
00062     {
00063         string uri;
00064         uint32_t size;
00065         HashSums hashSums;
00066     };
00068     struct LocalizationDownloadRecord
00069     {
00070         string uri;
00071         string localPath;
00072     };
00074     struct ExtendedInfo
00075     {
00076         set< string > automaticallyInstalled; 
00077     };
00078 
00079  private:
00080     internal::CacheImpl* __impl;
00081     Cache(const Cache&);
00082     Cache& operator=(const Cache&);
00083  public:
00085 
00094     Cache(shared_ptr< const Config > config, bool useSource, bool useBinary, bool useInstalled,
00095             const vector< string >& packageNameGlobsToReinstall = vector< string >());
00097     virtual ~Cache();
00098 
00100     vector< shared_ptr< const ReleaseInfo > > getBinaryReleaseData() const;
00102     vector< shared_ptr< const ReleaseInfo > > getSourceReleaseData() const;
00103 
00105     vector< string > getBinaryPackageNames() const;
00107 
00111     shared_ptr< const BinaryPackage > getBinaryPackage(const string& packageName) const;
00113     vector< string > getSourcePackageNames() const;
00115 
00119     shared_ptr< const SourcePackage > getSourcePackage(const string& packageName) const;
00120 
00122     vector< shared_ptr< const BinaryVersion > > getInstalledVersions() const;
00123 
00125 
00129     bool isAutomaticallyInstalled(const string& packageName) const;
00130 
00132     vector< IndexEntry > getIndexEntries() const;
00133 
00135     string getPathOfReleaseList(const IndexEntry& entry) const;
00137     string getPathOfIndexList(const IndexEntry& entry) const;
00139     string getPathOfExtendedStates() const;
00140 
00142     string getDownloadUriOfReleaseList(const IndexEntry&) const;
00144     vector< IndexDownloadRecord > getDownloadInfoOfIndexList(const IndexEntry&) const;
00146     vector< LocalizationDownloadRecord > getDownloadInfoOfLocalizedDescriptions(const IndexEntry&) const;
00147 
00149     shared_ptr< const system::State > getSystemState() const;
00150 
00152     ssize_t getPin(const shared_ptr< const Version >&) const;
00153 
00155     struct PinnedVersion
00156     {
00157         shared_ptr< const Version > version; 
00158         ssize_t pin; 
00159 
00161         PinnedVersion(shared_ptr< const Version > _version, ssize_t _pin)
00162             : version(_version), pin(_pin) {}
00163     };
00165     vector< PinnedVersion > getSortedPinnedVersions(const shared_ptr< const Package >&) const;
00167     shared_ptr< const Version > getPolicyVersion(const shared_ptr< const Package >&) const;
00168 
00170     vector< shared_ptr< const BinaryVersion > > getSatisfyingVersions(const RelationExpression&) const;
00171 
00173     const ExtendedInfo& getExtendedInfo() const;
00174 
00176 
00180     pair< string, string > getLocalizedDescriptions(const shared_ptr< const BinaryVersion >&) const;
00181 
00183     static bool verifySignature(const shared_ptr< const Config >&, const string& path);
00185 
00189     static string getPathOfCopyright(const shared_ptr< const BinaryVersion >&);
00191 
00195     static string getPathOfChangelog(const shared_ptr< const BinaryVersion >&);
00196 
00198 
00202     static bool memoize;
00203 };
00204 
00205 }
00206 
00207 #endif
00208 
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