// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: pkgcachegen.h,v 1.5 1998/07/12 23:58:35 jgg Exp $ /* ###################################################################### Package Cache Generator - Generator for the cache structure. This builds the cache structure from the abstract package list parser. ##################################################################### */ /*}}}*/ // Header section: pkglib #ifndef PKGLIB_PKGCACHEGEN_H #define PKGLIB_PKGCACHEGEN_H #ifdef __GNUG__ #pragma interface "apt-pkg/pkgcachegen.h" #endif #include <apt-pkg/pkgcache.h> class pkgCacheGenerator { public: class ListParser; protected: DynamicMMap ⤅ pkgCache Cache; string PkgFileName; pkgCache::PackageFile *CurrentFile; bool NewPackage(pkgCache::PkgIterator &Pkg,string Pkg); bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List); unsigned long NewVersion(pkgCache::VerIterator &Ver,string VerStr,unsigned long Next); unsigned long WriteUniqString(const char *S,unsigned int Size); inline unsigned long WriteUniqString(string S) {return WriteUniqString(S);}; public: // This is the abstract package list parser class. class ListParser { pkgCacheGenerator *Owner; friend pkgCacheGenerator; protected: inline unsigned long WriteUniqString(string S) {return Owner->WriteUniqString(S);}; inline unsigned long WriteUniqString(const char *S,unsigned int Size) {return Owner->WriteUniqString(S,Size);}; inline unsigned long WriteString(string S) {return Owner->Map.WriteString(S);}; inline unsigned long WriteString(const char *S,unsigned int Size) {return Owner->Map.WriteString(S,Size);}; bool NewDepends(pkgCache::VerIterator Ver,string Package, string Version,unsigned int Op, unsigned int Type); bool NewProvides(pkgCache::VerIterator Ver,string Package,string Version); public: // These all operate against the current section virtual string Package() = 0; virtual string Version() = 0; virtual bool NewVersion(pkgCache::VerIterator Ver) = 0; virtual bool UsePackage(pkgCache::PkgIterator Pkg, pkgCache::VerIterator Ver) = 0; virtual unsigned long Offset() = 0; virtual unsigned long Size() = 0; virtual bool Step() = 0; virtual ~ListParser() {}; }; friend ListParser; bool SelectFile(string File,unsigned long Flags = 0); bool MergeList(ListParser &List); pkgCacheGenerator(DynamicMMap &Map); ~pkgCacheGenerator(); }; #endif