X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/4ad8619bb1f0bf777d17c568bb7a6cf7f30aac34..7d5234ab88b4cd6b172f13d0912c585983c3410b:/apt-pkg/pkgcachegen.h diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h index 42da7b12d..cb51c113a 100644 --- a/apt-pkg/pkgcachegen.h +++ b/apt-pkg/pkgcachegen.h @@ -1,6 +1,5 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: pkgcachegen.h,v 1.19 2002/07/08 03:13:30 jgg Exp $ /* ###################################################################### Package Cache Generator - Generator for the cache structure. @@ -27,37 +26,80 @@ #include #include +#if __cplusplus >= 201103L +#include +#endif +#ifdef APT_PKG_EXPOSE_STRING_VIEW +#include +#endif class FileFd; class pkgSourceList; class OpProgress; class pkgIndexFile; +class pkgCacheListParser; -class pkgCacheGenerator /*{{{*/ +class APT_HIDDEN pkgCacheGenerator /*{{{*/ { - private: - - pkgCache::StringItem *UniqHash[26]; - APT_HIDDEN map_stringitem_t WriteStringInMap(std::string const &String) { return WriteStringInMap(String.c_str()); }; +#ifdef APT_PKG_EXPOSE_STRING_VIEW + APT_HIDDEN map_stringitem_t WriteStringInMap(APT::StringView String) { return WriteStringInMap(String.data(), String.size()); }; +#endif APT_HIDDEN map_stringitem_t WriteStringInMap(const char *String); APT_HIDDEN map_stringitem_t WriteStringInMap(const char *String, const unsigned long &Len); APT_HIDDEN map_pointer_t AllocateInMap(const unsigned long &size); + // Dirty hack for public users that do not use C++11 yet +#if __cplusplus >= 201103L + struct string_pointer { + const char *data_; + size_t size; + pkgCacheGenerator *generator; + map_stringitem_t item; + + const char *data() const { + return data_ != nullptr ? data_ : static_cast(generator->Map.Data()) + item; + } + + bool operator ==(string_pointer const &other) const { + return size == other.size && memcmp(data(), other.data(), size) == 0; + } + }; + struct hash { + uint32_t operator()(string_pointer const &that) const { + uint32_t Hash = 5381; + const char * const end = that.data() + that.size; + for (const char *I = that.data(); I != end; ++I) + Hash = 33 * Hash + *I; + return Hash; + } + }; + + std::unordered_set strMixed; + std::unordered_set strPkgNames; + std::unordered_set strVersions; + std::unordered_set strSections; +#endif + + friend class pkgCacheListParser; + typedef pkgCacheListParser ListParser; + public: - - class ListParser; - friend class ListParser; template class Dynamic { public: static std::vector toReMap; - Dynamic(Iter &I) { + explicit Dynamic(Iter &I) { toReMap.push_back(&I); } ~Dynamic() { toReMap.pop_back(); } + +#if __cplusplus >= 201103L + Dynamic(const Dynamic&) = delete; + void operator=(const Dynamic&) = delete; +#endif }; protected: @@ -65,117 +107,130 @@ class pkgCacheGenerator /*{{{*/ DynamicMMap ⤅ pkgCache Cache; OpProgress *Progress; - + + std::string RlsFileName; + pkgCache::ReleaseFile *CurrentRlsFile; std::string PkgFileName; pkgCache::PackageFile *CurrentFile; - // Flag file dependencies - bool FoundFileDeps; - - bool NewGroup(pkgCache::GrpIterator &Grp,const std::string &Name); - bool NewPackage(pkgCache::PkgIterator &Pkg,const std::string &Name, const std::string &Arch); +#ifdef APT_PKG_EXPOSE_STRING_VIEW + bool NewGroup(pkgCache::GrpIterator &Grp, APT::StringView Name); + bool NewPackage(pkgCache::PkgIterator &Pkg, APT::StringView Name, APT::StringView Arch); + map_pointer_t NewVersion(pkgCache::VerIterator &Ver, APT::StringView const &VerStr, + map_pointer_t const ParentPkg, unsigned short const Hash, + map_pointer_t const Next); + map_pointer_t NewDescription(pkgCache::DescIterator &Desc,const std::string &Lang, APT::StringView md5sum,map_stringitem_t const idxmd5str); +#endif bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List); bool NewFileDesc(pkgCache::DescIterator &Desc,ListParser &List); bool NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver, - std::string const &Version, unsigned int const &Op, - unsigned int const &Type, map_pointer_t* &OldDepLast); - bool NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver, - map_pointer_t const Version, unsigned int const &Op, - unsigned int const &Type, map_pointer_t* &OldDepLast); - map_pointer_t NewVersion(pkgCache::VerIterator &Ver,const std::string &VerStr,map_pointer_t const Next) APT_DEPRECATED - { return NewVersion(Ver, VerStr, 0, 0, Next); } - map_pointer_t NewVersion(pkgCache::VerIterator &Ver,const std::string &VerStr, - map_pointer_t const ParentPkg, unsigned short const Hash, - map_pointer_t const Next); - map_pointer_t NewDescription(pkgCache::DescIterator &Desc,const std::string &Lang,const MD5SumValue &md5sum,map_stringitem_t const idxmd5str); + map_pointer_t const Version, uint8_t const Op, + uint8_t const Type, map_pointer_t* &OldDepLast); + bool NewProvides(pkgCache::VerIterator &Ver, pkgCache::PkgIterator &Pkg, + map_stringitem_t const ProvidesVersion, uint8_t const Flags); public: - map_stringitem_t WriteUniqString(const char *S,unsigned int const Size); - inline map_stringitem_t WriteUniqString(const std::string &S) {return WriteUniqString(S.c_str(),S.length());}; + enum StringType { MIXED, PKGNAME, VERSIONNUMBER, SECTION }; + map_stringitem_t StoreString(StringType const type, const char * S, unsigned int const Size); + +#ifdef APT_PKG_EXPOSE_STRING_VIEW + inline map_stringitem_t StoreString(enum StringType const type, APT::StringView S) {return StoreString(type, S.data(),S.length());}; +#endif void DropProgress() {Progress = 0;}; - bool SelectFile(const std::string &File,const std::string &Site,pkgIndexFile const &Index, - unsigned long Flags = 0); + bool SelectFile(const std::string &File,pkgIndexFile const &Index, std::string const &Architecture, std::string const &Component, unsigned long Flags = 0); + bool SelectReleaseFile(const std::string &File, const std::string &Site, unsigned long Flags = 0); bool MergeList(ListParser &List,pkgCache::VerIterator *Ver = 0); inline pkgCache &GetCache() {return Cache;}; - inline pkgCache::PkgFileIterator GetCurFile() + inline pkgCache::PkgFileIterator GetCurFile() {return pkgCache::PkgFileIterator(Cache,CurrentFile);}; + inline pkgCache::RlsFileIterator GetCurRlsFile() + {return pkgCache::RlsFileIterator(Cache,CurrentRlsFile);}; - bool HasFileDeps() {return FoundFileDeps;}; - bool MergeFileProvides(ListParser &List); - bool FinishCache(OpProgress *Progress) APT_DEPRECATED APT_CONST; - - static bool MakeStatusCache(pkgSourceList &List,OpProgress *Progress, + APT_PUBLIC 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); + APT_HIDDEN static bool MakeStatusCache(pkgSourceList &List,OpProgress *Progress, + MMap **OutMap,pkgCache **OutCache, bool AllowMem = false); + APT_PUBLIC static bool MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap); - void ReMap(void const * const oldMap, void const * const newMap); + void ReMap(void const * const oldMap, void const * const newMap, size_t oldSize); + bool Start(); pkgCacheGenerator(DynamicMMap *Map,OpProgress *Progress); - ~pkgCacheGenerator(); + virtual ~pkgCacheGenerator(); private: + void * const d; APT_HIDDEN bool MergeListGroup(ListParser &List, std::string const &GrpName); APT_HIDDEN bool MergeListPackage(ListParser &List, pkgCache::PkgIterator &Pkg); +#ifdef APT_PKG_EXPOSE_STRING_VIEW APT_HIDDEN bool MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg, - std::string const &Version, pkgCache::VerIterator* &OutVer); + APT::StringView const &Version, pkgCache::VerIterator* &OutVer); +#endif APT_HIDDEN bool AddImplicitDepends(pkgCache::GrpIterator &G, pkgCache::PkgIterator &P, pkgCache::VerIterator &V); APT_HIDDEN bool AddImplicitDepends(pkgCache::VerIterator &V, pkgCache::PkgIterator &D); +#ifdef APT_PKG_EXPOSE_STRING_VIEW APT_HIDDEN bool AddNewDescription(ListParser &List, pkgCache::VerIterator &Ver, - std::string const &lang, MD5SumValue const &CurMd5, map_stringitem_t &md5idx); + std::string const &lang, APT::StringView CurMd5, map_stringitem_t &md5idx); +#endif }; /*}}}*/ // This is the abstract package list parser class. /*{{{*/ -class pkgCacheGenerator::ListParser +class APT_HIDDEN pkgCacheListParser { pkgCacheGenerator *Owner; friend class pkgCacheGenerator; - + // Some cache items pkgCache::VerIterator OldDepVer; map_pointer_t *OldDepLast; - // Flag file dependencies - bool FoundFileDeps; - + void * const d; + protected: - inline map_stringitem_t WriteUniqString(std::string S) {return Owner->WriteUniqString(S);}; - inline map_stringitem_t WriteUniqString(const char *S,unsigned int Size) {return Owner->WriteUniqString(S,Size);}; - inline map_stringitem_t WriteString(const std::string &S) {return Owner->WriteStringInMap(S);}; + inline map_stringitem_t StoreString(pkgCacheGenerator::StringType const type, const char *S,unsigned int Size) {return Owner->StoreString(type, S, Size);}; +#ifdef APT_PKG_EXPOSE_STRING_VIEW + inline map_stringitem_t StoreString(pkgCacheGenerator::StringType const type, APT::StringView S) {return Owner->StoreString(type, S);}; + inline map_stringitem_t WriteString(APT::StringView S) {return Owner->WriteStringInMap(S.data(), S.size());}; +#endif + inline map_stringitem_t WriteString(const char *S,unsigned int Size) {return Owner->WriteStringInMap(S,Size);}; - bool NewDepends(pkgCache::VerIterator &Ver,const std::string &Package, const std::string &Arch, - const std::string &Version,unsigned int Op, - unsigned int Type); - bool NewProvides(pkgCache::VerIterator &Ver,const std::string &PkgName, - const std::string &PkgArch, const std::string &Version); - +#ifdef APT_PKG_EXPOSE_STRING_VIEW + bool NewDepends(pkgCache::VerIterator &Ver,APT::StringView Package, APT::StringView Arch, + APT::StringView Version,uint8_t const Op, + uint8_t const Type); + bool NewProvides(pkgCache::VerIterator &Ver,APT::StringView PkgName, + APT::StringView PkgArch, APT::StringView Version, + uint8_t const Flags); + bool NewProvidesAllArch(pkgCache::VerIterator &Ver, APT::StringView Package, + APT::StringView Version, uint8_t const Flags); +#endif public: // These all operate against the current section virtual std::string Package() = 0; - virtual std::string Architecture() = 0; virtual bool ArchitectureAll() = 0; - virtual std::string Version() = 0; +#ifdef APT_PKG_EXPOSE_STRING_VIEW + virtual APT::StringView Architecture() = 0; + virtual APT::StringView Version() = 0; +#endif virtual bool NewVersion(pkgCache::VerIterator &Ver) = 0; - virtual std::string Description(std::string const &lang) = 0; virtual std::vector AvailableDescriptionLanguages() = 0; - virtual MD5SumValue Description_md5() = 0; +#ifdef APT_PKG_EXPOSE_STRING_VIEW + virtual APT::StringView Description_md5() = 0; +#endif virtual unsigned short VersionHash() = 0; /** compare currently parsed version with given version * * \param Hash of the currently parsed version * \param Ver to compare with */ -#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) - virtual -#endif - APT_PURE bool SameVersion(unsigned short const Hash, pkgCache::VerIterator const &Ver); + virtual bool SameVersion(unsigned short const Hash, pkgCache::VerIterator const &Ver); virtual bool UsePackage(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver) = 0; virtual map_filesize_t Offset() = 0; @@ -183,17 +238,16 @@ class pkgCacheGenerator::ListParser virtual bool Step() = 0; - inline bool HasFileDeps() {return FoundFileDeps;}; virtual bool CollectFileProvides(pkgCache &/*Cache*/, pkgCache::VerIterator &/*Ver*/) {return true;}; - ListParser() : FoundFileDeps(false) {}; - virtual ~ListParser() {}; + pkgCacheListParser(); + virtual ~pkgCacheListParser(); }; /*}}}*/ -bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, +APT_DEPRECATED_MSG("Use pkgCacheGenerator::MakeStatusCache instead") bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, MMap **OutMap = 0,bool AllowMem = false); -bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap); +APT_DEPRECATED_MSG("Use pkgCacheGenerator::MakeOnlyStatusCache instead") bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap); #endif