// -*- 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.
#ifndef PKGLIB_PKGCACHEGEN_H
#define PKGLIB_PKGCACHEGEN_H
-
-#include <apt-pkg/pkgcache.h>
#include <apt-pkg/md5.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
#include <vector>
+#include <string>
+#if __cplusplus >= 201103L
+#include <unordered_set>
+#endif
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+#include <apt-pkg/string_view.h>
+#endif
+class FileFd;
class pkgSourceList;
class OpProgress;
-class MMap;
class pkgIndexFile;
+class pkgCacheListParser;
-class pkgCacheGenerator /*{{{*/
+class APT_HIDDEN pkgCacheGenerator /*{{{*/
{
- private:
+#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<char*>(generator->Map.Data()) + item;
+ }
- 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);
+ 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;
+ typedef pkgCacheListParser ListParser;
public:
-
- class ListParser;
- friend class ListParser;
template<typename Iter> class Dynamic {
public:
static std::vector<Iter*> 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:
DynamicMMap ⤅
pkgCache Cache;
OpProgress *Progress;
-
- string PkgFileName;
+
+ std::string RlsFileName;
+ pkgCache::ReleaseFile *CurrentRlsFile;
+ std::string PkgFileName;
pkgCache::PackageFile *CurrentFile;
- // Flag file dependencies
- bool FoundFileDeps;
-
- bool NewGroup(pkgCache::GrpIterator &Grp,const string &Name);
- bool NewPackage(pkgCache::PkgIterator &Pkg,const string &Name, const 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,
- 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);
+ 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:
- unsigned long WriteUniqString(const char *S,unsigned int Size);
- inline unsigned long WriteUniqString(const 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 string &File,const 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);
-
- 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,
+ 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, 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_ptrloc *OldDepLast;
+ map_pointer_t *OldDepLast;
+
+ void * const d;
- // 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->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);
-
+ 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);};
+#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 string Package() = 0;
- virtual string Architecture() = 0;
+ virtual std::string Package() = 0;
virtual bool ArchitectureAll() = 0;
- virtual 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 string Description() = 0;
- virtual string DescriptionLanguage() = 0;
- virtual MD5SumValue Description_md5() = 0;
+ virtual std::vector<std::string> AvailableDescriptionLanguages() = 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
+ */
+ virtual bool SameVersion(unsigned short const Hash, pkgCache::VerIterator const &Ver);
virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
pkgCache::VerIterator &Ver) = 0;
- virtual unsigned long Offset() = 0;
- virtual unsigned long Size() = 0;
+ virtual map_filesize_t Offset() = 0;
+ virtual map_filesize_t Size() = 0;
virtual bool Step() = 0;
- inline bool HasFileDeps() {return FoundFileDeps;};
- virtual bool CollectFileProvides(pkgCache &Cache,
- pkgCache::VerIterator &Ver) {return true;};
+ 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);
-
-
-#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
+APT_DEPRECATED_MSG("Use pkgCacheGenerator::MakeOnlyStatusCache instead") bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap);
#endif
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