X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/578bfd0aed2ec993f4ad85fa6a7094a852261422..bda94cb8432b3905f5757e92573fd16e73cb183f:/apt-pkg/pkgcachegen.h diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h index 1385ab964..ff198833a 100644 --- a/apt-pkg/pkgcachegen.h +++ b/apt-pkg/pkgcachegen.h @@ -1,69 +1,181 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: pkgcachegen.h,v 1.1 1998/07/02 02:58:13 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 -class pkgCacheGenerator +#include +#include + +#include + +class pkgSourceList; +class OpProgress; +class MMap; +class pkgIndexFile; + +class pkgCacheGenerator /*{{{*/ { + private: + + pkgCache::StringItem *UniqHash[26]; + map_ptrloc WriteStringInMap(std::string const &String) { return WriteStringInMap(String.c_str()); }; + map_ptrloc WriteStringInMap(const char *String); + map_ptrloc WriteStringInMap(const char *String, const unsigned long &Len); + map_ptrloc AllocateInMap(const unsigned long &size); + public: class ListParser; - + friend class ListParser; + + template class Dynamic { + public: + static std::vector toReMap; + Dynamic(Iter &I) { + toReMap.push_back(&I); + } + + ~Dynamic() { + toReMap.pop_back(); + } + }; + protected: - + DynamicMMap ⤅ pkgCache Cache; - + OpProgress *Progress; + string PkgFileName; pkgCache::PackageFile *CurrentFile; + + // Flag file dependencies + bool FoundFileDeps; - bool NewPackage(pkgCache::PkgIterator Pkg,string Pkg); - bool NewFileVer(pkgCache::VerIterator Ver,ListParser &List); - unsigned long NewVersion(pkgCache::VerIterator &Ver,unsigned long Next); + bool NewGroup(pkgCache::GrpIterator &Grp,const string &Name); + bool NewPackage(pkgCache::PkgIterator &Pkg,const string &Name, const string &Arch); + bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List); + bool NewFileDesc(pkgCache::DescIterator &Desc,ListParser &List); + bool NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver, + string const &Version, unsigned int const &Op, + unsigned int const &Type, map_ptrloc *OldDepLast); + unsigned long NewVersion(pkgCache::VerIterator &Ver,const string &VerStr,unsigned long Next); + map_ptrloc NewDescription(pkgCache::DescIterator &Desc,const string &Lang,const MD5SumValue &md5sum,map_ptrloc Next); public: + + unsigned long WriteUniqString(const char *S,unsigned int Size); + 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); + bool FinishCache(OpProgress *Progress); + + static bool MakeStatusCache(pkgSourceList &List,OpProgress *Progress, + MMap **OutMap = 0,bool AllowMem = false); + static bool MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap); + static DynamicMMap* CreateDynamicMMap(FileFd *CacheF, unsigned long Flags = 0); + + void ReMap(void const * const oldMap, void const * const newMap); + + pkgCacheGenerator(DynamicMMap *Map,OpProgress *Progress); + ~pkgCacheGenerator(); +}; + /*}}}*/ +// This is the abstract package list parser class. /*{{{*/ +class pkgCacheGenerator::ListParser +{ + pkgCacheGenerator *Owner; + friend class pkgCacheGenerator; - // This is the abstract package list parser class. - class ListParser - { - pkgCacheGenerator *Owner; - friend pkgCacheGenerator; - - protected: - - 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);}; + // Some cache items + pkgCache::VerIterator OldDepVer; + map_ptrloc *OldDepLast; - 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) = 0; + // Flag file dependencies + bool FoundFileDeps; - virtual bool Step() = 0; - }; - friend ListParser; + protected: - bool SelectFile(string File,unsigned long Flags = 0); - bool MergeList(ListParser &List); + 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->WriteStringInMap(S);}; + inline unsigned long WriteString(const char *S,unsigned int Size) {return Owner->WriteStringInMap(S,Size);}; + bool NewDepends(pkgCache::VerIterator &Ver,const string &Package, const string &Arch, + const string &Version,unsigned int Op, + unsigned int Type); + bool NewProvides(pkgCache::VerIterator &Ver,const string &PkgName, + const string &PkgArch, const string &Version); - pkgCacheGenerator(DynamicMMap &Map); - ~pkgCacheGenerator(); + public: + + // These all operate against the current section + virtual string Package() = 0; + virtual string Architecture() = 0; + virtual bool ArchitectureAll() = 0; + virtual string Version() = 0; + virtual bool NewVersion(pkgCache::VerIterator &Ver) = 0; + virtual string Description() = 0; + virtual string DescriptionLanguage() = 0; + virtual MD5SumValue Description_md5() = 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 (pkgCacheGenerator::MakeStatusCache(List,&Progress,&Map,true) == false) + return 0; + return Map; +} +#endif #endif