X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/2837a71877c0f5c1aca8f70e30130018bc53acac..e6849dd8461c4bc7d121820982bea4c1aece8868:/apt-pkg/pkgcachegen.h diff --git a/apt-pkg/pkgcachegen.h b/apt-pkg/pkgcachegen.h index 21a4a6a09..d8d1e303a 100644 --- a/apt-pkg/pkgcachegen.h +++ b/apt-pkg/pkgcachegen.h @@ -27,7 +27,10 @@ #include <vector> #include <string> #if __cplusplus >= 201103L -#include <unordered_map> +#include <unordered_set> +#endif +#ifdef APT_PKG_EXPOSE_STRING_VIEW +#include <apt-pkg/string_view.h> #endif class FileFd; @@ -45,10 +48,34 @@ class APT_HIDDEN pkgCacheGenerator /*{{{*/ // Dirty hack for public users that do not use C++11 yet #if __cplusplus >= 201103L - std::unordered_map<std::string,map_stringitem_t> strMixed; - std::unordered_map<std::string,map_stringitem_t> strSections; - std::unordered_map<std::string,map_stringitem_t> strPkgNames; - std::unordered_map<std::string,map_stringitem_t> strVersions; + 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<char*>(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<string_pointer, hash> strMixed; + std::unordered_set<string_pointer, hash> strPkgNames; + std::unordered_set<string_pointer, hash> strVersions; + std::unordered_set<string_pointer, hash> strSections; #endif friend class pkgCacheListParser; @@ -79,8 +106,10 @@ class APT_HIDDEN pkgCacheGenerator /*{{{*/ std::string PkgFileName; pkgCache::PackageFile *CurrentFile; - 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); +#endif bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List); bool NewFileDesc(pkgCache::DescIterator &Desc,ListParser &List); bool NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver, @@ -99,7 +128,10 @@ class APT_HIDDEN pkgCacheGenerator /*{{{*/ enum StringType { MIXED, PKGNAME, VERSIONNUMBER, SECTION }; map_stringitem_t StoreString(StringType const type, const char * S, unsigned int const Size); - inline map_stringitem_t StoreString(enum StringType const type, const std::string &S) {return StoreString(type, S.c_str(),S.length());}; + +#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,pkgIndexFile const &Index, std::string const &Architecture, std::string const &Component, unsigned long Flags = 0); @@ -113,6 +145,8 @@ class APT_HIDDEN pkgCacheGenerator /*{{{*/ APT_PUBLIC static bool MakeStatusCache(pkgSourceList &List,OpProgress *Progress, MMap **OutMap = 0,bool AllowMem = false); + 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); @@ -149,20 +183,23 @@ class APT_HIDDEN pkgCacheListParser protected: - inline map_stringitem_t StoreString(pkgCacheGenerator::StringType const type, std::string const &S) {return Owner->StoreString(type, 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);}; +#endif inline map_stringitem_t WriteString(const std::string &S) {return Owner->WriteStringInMap(S);}; 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,uint8_t const Op, +#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,const std::string &PkgName, - const std::string &PkgArch, const std::string &Version, + bool NewProvides(pkgCache::VerIterator &Ver,APT::StringView PkgName, + APT::StringView PkgArch, APT::StringView Version, uint8_t const Flags); - bool NewProvidesAllArch(pkgCache::VerIterator &Ver, std::string const &Package, - std::string const &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