// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: pkgcachegen.h,v 1.6 1998/07/19 04:22:03 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
-#ifdef __GNUG__
-#pragma interface "apt-pkg/pkgcachegen.h"
-#endif
-
+#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 pkgIndexFile;
+class pkgCacheListParser;
-class pkgCacheGenerator
+class APT_HIDDEN pkgCacheGenerator /*{{{*/
{
+ APT_HIDDEN map_stringitem_t WriteStringInMap(std::string const &String) { return WriteStringInMap(String.c_str()); };
+ 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;
+ }
+
+ 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;
-
+
+ template<typename Iter> class Dynamic {
+ public:
+ static std::vector<Iter*> toReMap;
+ 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;
-
- bool NewPackage(pkgCache::PkgIterator &Pkg,string Pkg);
+
+#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);
+#endif
bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List);
- unsigned long NewVersion(pkgCache::VerIterator &Ver,string VerStr,unsigned long Next);
+ bool NewFileDesc(pkgCache::DescIterator &Desc,ListParser &List);
+ bool NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver,
+ map_pointer_t const Version, uint8_t const Op,
+ uint8_t const Type, map_pointer_t* &OldDepLast);
+ map_pointer_t NewDescription(pkgCache::DescIterator &Desc,const std::string &Lang,const MD5SumValue &md5sum,map_stringitem_t const idxmd5str);
+ bool NewProvides(pkgCache::VerIterator &Ver, pkgCache::PkgIterator &Pkg,
+ map_stringitem_t const ProvidesVersion, uint8_t const Flags);
- unsigned long WriteUniqString(const char *S,unsigned int Size);
- inline unsigned long WriteUniqString(string S) {return WriteUniqString(S);};
-
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);};
- bool NewDepends(pkgCache::VerIterator Ver,string Package,
- string Version,unsigned int Op,
- unsigned int Type);
- bool NewProvides(pkgCache::VerIterator Ver,string Package,string Version);
-
- 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 UsePackage(pkgCache::PkgIterator Pkg,
- pkgCache::VerIterator Ver) = 0;
- virtual unsigned long Offset() = 0;
- virtual unsigned long Size() = 0;
-
- virtual bool Step() = 0;
-
- virtual ~ListParser() {};
- };
- friend ListParser;
- bool SelectFile(string File,unsigned long Flags = 0);
- bool MergeList(ListParser &List);
+ 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,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;};
-
- pkgCacheGenerator(DynamicMMap &Map);
- ~pkgCacheGenerator();
+ inline pkgCache::PkgFileIterator GetCurFile()
+ {return pkgCache::PkgFileIterator(Cache,CurrentFile);};
+ inline pkgCache::RlsFileIterator GetCurRlsFile()
+ {return pkgCache::RlsFileIterator(Cache,CurrentRlsFile);};
+
+ 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, size_t oldSize);
+ bool Start();
+
+ pkgCacheGenerator(DynamicMMap *Map,OpProgress *Progress);
+ 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);
+
+ APT_HIDDEN bool AddNewDescription(ListParser &List, pkgCache::VerIterator &Ver,
+ std::string const &lang, MD5SumValue const &CurMd5, map_stringitem_t &md5idx);
};
+ /*}}}*/
+// This is the abstract package list parser class. /*{{{*/
+class APT_HIDDEN pkgCacheListParser
+{
+ pkgCacheGenerator *Owner;
+ friend class pkgCacheGenerator;
+
+ // Some cache items
+ pkgCache::VerIterator OldDepVer;
+ map_pointer_t *OldDepLast;
+
+ void * const d;
+
+ protected:
+
+ 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);};
+#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 bool ArchitectureAll() = 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::vector<std::string> AvailableDescriptionLanguages() = 0;
+ virtual MD5SumValue Description_md5() = 0;
+ 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 map_filesize_t Offset() = 0;
+ virtual map_filesize_t Size() = 0;
+
+ virtual bool Step() = 0;
+
+ virtual bool CollectFileProvides(pkgCache &/*Cache*/,
+ pkgCache::VerIterator &/*Ver*/) {return true;};
+
+ pkgCacheListParser();
+ virtual ~pkgCacheListParser();
+};
+ /*}}}*/
+
+APT_DEPRECATED_MSG("Use pkgCacheGenerator::MakeStatusCache instead") bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
+ MMap **OutMap = 0,bool AllowMem = false);
+APT_DEPRECATED_MSG("Use pkgCacheGenerator::MakeOnlyStatusCache instead") bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap);
#endif
projects / apt.git / blobdiff