// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: pkgcache.h,v 1.22 1999/07/30 02:54:25 jgg Exp $
+// $Id: pkgcache.h,v 1.25 2001/07/01 22:28:24 jgg Exp $
/* ######################################################################
Cache - Structure definitions for the cache file
##################################################################### */
/*}}}*/
-// Header section: pkglib
#ifndef PKGLIB_PKGCACHE_H
#define PKGLIB_PKGCACHE_H
#include <time.h>
#include <apt-pkg/mmap.h>
+using std::string;
+
+class pkgVersioningSystem;
class pkgCache
{
public:
struct Package;
struct PackageFile;
struct Version;
+ struct Description;
struct Provides;
struct Dependency;
struct StringItem;
struct VerFile;
+ struct DescFile;
// Iterators
class PkgIterator;
class VerIterator;
+ class DescIterator;
class DepIterator;
class PrvIterator;
class PkgFileIterator;
class VerFileIterator;
- friend PkgIterator;
- friend VerIterator;
- friend DepIterator;
- friend PrvIterator;
- friend PkgFileIterator;
- friend VerFileIterator;
+ class DescFileIterator;
+ friend class PkgIterator;
+ friend class VerIterator;
+ friend class DescInterator;
+ friend class DepIterator;
+ friend class PrvIterator;
+ friend class PkgFileIterator;
+ friend class VerFileIterator;
+ friend class DescFileIterator;
+
+ class Namespace;
// These are all the constants used in the cache structures
+
+ // WARNING - if you change these lists you must also edit
+ // the stringification in pkgcache.cc and also consider whether
+ // the cache file will become incompatible.
struct Dep
{
enum DepType {Depends=1,PreDepends=2,Suggests=3,Recommends=4,
- Conflicts=5,Replaces=6};
+ Conflicts=5,Replaces=6,Obsoletes=7,DpkgBreaks=8};
enum DepCompareOp {Or=0x10,NoOp=0,LessEq=0x1,GreaterEq=0x2,Less=0x3,
Greater=0x4,Equals=0x5,NotEquals=0x6};
};
string CacheFile;
MMap ⤅
- unsigned long sHash(string S) const;
+ unsigned long sHash(const string &S) const;
unsigned long sHash(const char *S) const;
public:
Header *HeaderP;
Package *PkgP;
VerFile *VerFileP;
+ DescFile *DescFileP;
PackageFile *PkgFileP;
Version *VerP;
+ Description *DescP;
Provides *ProvideP;
Dependency *DepP;
StringItem *StringItemP;
virtual bool ReMap();
inline bool Sync() {return Map.Sync();};
inline MMap &GetMap() {return Map;};
-
+ inline void *DataEnd() {return ((unsigned char *)Map.Data()) + Map.Size();};
+
// String hashing function (512 range)
- inline unsigned long Hash(string S) const {return sHash(S);};
+ inline unsigned long Hash(const string &S) const {return sHash(S);};
inline unsigned long Hash(const char *S) const {return sHash(S);};
// Usefull transformation things
const char *Priority(unsigned char Priority);
// Accessors
- PkgIterator FindPkg(string Name);
+ PkgIterator FindPkg(const string &Name);
Header &Head() {return *HeaderP;};
inline PkgIterator PkgBegin();
inline PkgIterator PkgEnd();
inline PkgFileIterator FileBegin();
inline PkgFileIterator FileEnd();
- VerIterator GetCandidateVer(PkgIterator Pkg,bool AllowCurrent = true);
+
+ // Make me a function
+ pkgVersioningSystem *VS;
+
+ // Converters
+ static const char *CompTypeDeb(unsigned char Comp);
+ static const char *CompType(unsigned char Comp);
+ static const char *DepType(unsigned char Dep);
- pkgCache(MMap &Map);
+ pkgCache(MMap *Map,bool DoMap = true);
virtual ~pkgCache() {};
};
unsigned short PackageSz;
unsigned short PackageFileSz;
unsigned short VersionSz;
+ unsigned short DescriptionSz;
unsigned short DependencySz;
unsigned short ProvidesSz;
unsigned short VerFileSz;
+ unsigned short DescFileSz;
// Structure counts
unsigned long PackageCount;
unsigned long VersionCount;
+ unsigned long DescriptionCount;
unsigned long DependsCount;
unsigned long PackageFileCount;
unsigned long VerFileCount;
+ unsigned long DescFileCount;
unsigned long ProvidesCount;
// Offsets
map_ptrloc FileList; // struct PackageFile
map_ptrloc StringList; // struct StringItem
+ map_ptrloc VerSysName; // StringTable
+ map_ptrloc Architecture; // StringTable
unsigned long MaxVerFileSize;
+ unsigned long MaxDescFileSize;
/* Allocation pools, there should be one of these for each structure
excluding the header */
- DynamicMMap::Pool Pools[7];
+ DynamicMMap::Pool Pools[8];
// Rapid package name lookup
map_ptrloc HashTable[2*1048];
// Pointers
map_ptrloc Name; // Stringtable
map_ptrloc VersionList; // Version
- map_ptrloc TargetVer; // Version
map_ptrloc CurrentVer; // Version
- map_ptrloc TargetDist; // StringTable (StringItem)
map_ptrloc Section; // StringTable (StringItem)
// Linked list
map_ptrloc NextPackage; // Package
map_ptrloc RevDepends; // Dependency
map_ptrloc ProvidesList; // Provides
-
+
// Install/Remove/Purge etc
unsigned char SelectedState; // What
unsigned char InstState; // Flags
map_ptrloc Origin; // Stringtable
map_ptrloc Label; // Stringtable
map_ptrloc Architecture; // Stringtable
+ map_ptrloc Site; // Stringtable
+ map_ptrloc IndexType; // Stringtable
unsigned long Size;
unsigned long Flags;
unsigned short Size;
};
+struct pkgCache::DescFile
+{
+ map_ptrloc File; // PackageFile
+ map_ptrloc NextFile; // PkgVerFile
+ map_ptrloc Offset; // File offset
+ unsigned short Size;
+};
+
struct pkgCache::Version
{
map_ptrloc VerStr; // Stringtable
// Lists
map_ptrloc FileList; // VerFile
map_ptrloc NextVer; // Version
+ map_ptrloc DescriptionList; // Description
map_ptrloc DependsList; // Dependency
map_ptrloc ParentPkg; // Package
map_ptrloc ProvidesList; // Provides
unsigned char Priority;
};
+struct pkgCache::Description
+{
+ // Language Code store the description translation language code. If
+ // the value has a 0 lenght then this is readed using the Package
+ // file else the Translation-CODE are used.
+ map_ptrloc language_code; // StringTable
+ map_ptrloc md5sum; // StringTable
+
+ // Linked list
+ map_ptrloc FileList; // DescFile
+ map_ptrloc NextDesc; // Description
+ map_ptrloc ParentPkg; // Package
+
+ unsigned short ID;
+};
+
struct pkgCache::Dependency
{
map_ptrloc Version; // Stringtable
map_ptrloc ParentVer; // Version
// Specific types of depends
+ map_ptrloc ID;
unsigned char Type;
unsigned char CompareOp;
- unsigned short ID;
};
struct pkgCache::Provides
inline pkgCache::PkgIterator pkgCache::PkgEnd()
{return PkgIterator(*this,PkgP);};
inline pkgCache::PkgFileIterator pkgCache::FileBegin()
- {return PkgFileIterator(*this);};
+ {return PkgFileIterator(*this,PkgFileP + HeaderP->FileList);};
inline pkgCache::PkgFileIterator pkgCache::FileEnd()
{return PkgFileIterator(*this,PkgFileP);};
+// Oh I wish for Real Name Space Support
+class pkgCache::Namespace
+{
+ public:
+
+ typedef pkgCache::PkgIterator PkgIterator;
+ typedef pkgCache::VerIterator VerIterator;
+ typedef pkgCache::DescIterator DescIterator;
+ typedef pkgCache::DepIterator DepIterator;
+ typedef pkgCache::PrvIterator PrvIterator;
+ typedef pkgCache::PkgFileIterator PkgFileIterator;
+ typedef pkgCache::VerFileIterator VerFileIterator;
+ typedef pkgCache::Version Version;
+ typedef pkgCache::Description Description;
+ typedef pkgCache::Package Package;
+ typedef pkgCache::Header Header;
+ typedef pkgCache::Dep Dep;
+ typedef pkgCache::Flag Flag;
+};
+
#endif
projects / apt.git / blobdiff