X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f55a958ff2251f0061ab907157c99a350e56025f..f381d68d3c1de8e96dfb2a2ebe36c8577729ec44:/apt-pkg/pkgcachegen.h diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h index 6ce1ed8b6..9a729eea4 100644 --- a/apt-pkg/pkgcachegen.h +++ b/apt-pkg/pkgcachegen.h @@ -1,76 +1,144 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: pkgcachegen.h,v 1.2 1998/07/04 05:57:38 jgg Exp $ +// $Id: pkgcachegen.h,v 1.19 2002/07/08 03:13:30 jgg Exp $ /* ###################################################################### Package Cache Generator - Generator for the cache structure. This builds the cache structure from the abstract package list parser. + Each archive source has it's own list parser that is instantiated by + the caller to provide data for the generator. + + Parts of the cache are created by this generator class while other + parts are created by the list parser. The list parser is responsible + for creating version, depends and provides structures, and some of + their contents ##################################################################### */ /*}}}*/ -// Header section: pkglib #ifndef PKGLIB_PKGCACHEGEN_H #define PKGLIB_PKGCACHEGEN_H -#include +#ifdef __GNUG__ +#pragma interface "apt-pkg/pkgcachegen.h" +#endif + +#include + +class pkgSourceList; +class OpProgress; +class MMap; +class pkgIndexFile; class pkgCacheGenerator { + private: + + pkgCache::StringItem *UniqHash[26]; + public: class ListParser; + friend class ListParser; protected: DynamicMMap ⤅ pkgCache Cache; - + OpProgress *Progress; + string PkgFileName; pkgCache::PackageFile *CurrentFile; + + // Flag file dependencies + bool FoundFileDeps; - bool NewPackage(pkgCache::PkgIterator &Pkg,string Pkg); + bool NewPackage(pkgCache::PkgIterator &Pkg,const string &Pkg); bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List); - unsigned long NewVersion(pkgCache::VerIterator &Ver,string VerStr,unsigned long Next); + unsigned long NewVersion(pkgCache::VerIterator &Ver,const string &VerStr,unsigned long Next); + + public: unsigned long WriteUniqString(const char *S,unsigned int Size); - inline unsigned long WriteUniqString(string S) {return WriteUniqString(S);}; + inline unsigned long WriteUniqString(const string &S) {return WriteUniqString(S.c_str(),S.length());}; + + void DropProgress() {Progress = 0;}; + bool SelectFile(const string &File,const string &Site,pkgIndexFile const &Index, + unsigned long Flags = 0); + bool MergeList(ListParser &List,pkgCache::VerIterator *Ver = 0); + inline pkgCache &GetCache() {return Cache;}; + inline pkgCache::PkgFileIterator GetCurFile() + {return pkgCache::PkgFileIterator(Cache,CurrentFile);}; + + bool HasFileDeps() {return FoundFileDeps;}; + bool MergeFileProvides(ListParser &List); + + pkgCacheGenerator(DynamicMMap *Map,OpProgress *Progress); + ~pkgCacheGenerator(); +}; + +// This is the abstract package list parser class. +class pkgCacheGenerator::ListParser +{ + pkgCacheGenerator *Owner; + friend class pkgCacheGenerator; + + // Some cache items + pkgCache::VerIterator OldDepVer; + map_ptrloc *OldDepLast; + + // Flag file dependencies + bool FoundFileDeps; + + 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(const 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,const string &Package, + const string &Version,unsigned int Op, + unsigned int Type); + bool NewProvides(pkgCache::VerIterator Ver,const string &Package, + const string &Version); 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);}; - - 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 NewPackage(pkgCache::PkgIterator Pkg) = 0; - virtual bool UsePackage(pkgCache::PkgIterator Pkg, - pkgCache::VerIterator Ver) = 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(); + // These all operate against the current section + virtual string Package() = 0; + virtual string Version() = 0; + virtual bool NewVersion(pkgCache::VerIterator Ver) = 0; + virtual unsigned short VersionHash() = 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; + + inline bool HasFileDeps() {return FoundFileDeps;}; + virtual bool CollectFileProvides(pkgCache &Cache, + pkgCache::VerIterator Ver) {return true;}; + + ListParser() : FoundFileDeps(false) {}; + virtual ~ListParser() {}; }; +bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, + MMap **OutMap = 0,bool AllowMem = false); +bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap); + +#ifdef APT_COMPATIBILITY +#if APT_COMPATIBILITY != 986 +#warning "Using APT_COMPATIBILITY" +#endif +MMap *pkgMakeStatusCacheMem(pkgSourceList &List,OpProgress &Progress) +{ + MMap *Map = 0; + if (pkgMakeStatusCache(List,Progress,&Map,true) == false) + return 0; + return Map; +} +#endif + #endif