// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: indexfile.h,v 1.2 2001/02/20 07:03:17 jgg Exp $ /* ###################################################################### Index File - Abstraction for an index of archive/source file. There are 3 primary sorts of index files, all represented by this class: Binary index files Bianry index files decribing the local system Source index files They are all bundled together here, and the interfaces for sources.list, acquire, cache gen and record parsing all use this class to acess the underlying representation. ##################################################################### */ /*}}}*/ #ifndef PKGLIB_INDEXFILE_H #define PKGLIB_INDEXFILE_H #ifdef __GNUG__ #pragma interface "apt-pkg/indexfile.h" #endif #include <string> #include <apt-pkg/pkgcache.h> #include <apt-pkg/srcrecords.h> #include <apt-pkg/pkgrecords.h> class pkgAcquire; class pkgCacheGenerator; class OpProgress; class pkgIndexFile { public: class Type { public: // Global list of Items supported static Type **GlobalList; static unsigned long GlobalListLen; static Type *GetType(const char *Type); const char *Label; virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const {return 0;}; Type(); }; virtual const Type *GetType() const = 0; // Return descriptive strings of various sorts virtual string ArchiveInfo(pkgCache::VerIterator Ver) const; virtual string SourceInfo(pkgSrcRecords::Parser const &Record, pkgSrcRecords::File const &File) const; virtual string Describe() const = 0; // Interface for acquire virtual string ArchiveURI(string File) const {return string();}; virtual bool GetIndexes(pkgAcquire *Owner) const; // Interface for the record parsers virtual pkgSrcRecords::Parser *CreateSrcParser() const {return 0;}; // Interface for the Cache Generator virtual bool Exists() const = 0; virtual bool HasPackages() const = 0; virtual unsigned long Size() const = 0; virtual bool Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const {return false;}; virtual pkgCache::PkgFileIterator FindInCache(pkgCache &Cache) const; virtual ~pkgIndexFile() {}; }; #endif