// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: pkgcache.h,v 1.1 1998/07/02 02:58:12 jgg Exp $
+// $Id: pkgcache.h,v 1.25 2001/07/01 22:28:24 jgg Exp $
/* ######################################################################
Cache - Structure definitions for the cache file
- Please see doc/pkglib/cache.sgml for a more detailed description of
+ Please see doc/apt-pkg/cache.sgml for a more detailed description of
this format. Also be sure to keep that file up-to-date!!
Clients should always use the CacheIterators classes for access to the
##################################################################### */
/*}}}*/
-// Header section: pkglib
#ifndef PKGLIB_PKGCACHE_H
#define PKGLIB_PKGCACHE_H
+#ifdef __GNUG__
+#pragma interface "apt-pkg/pkgcache.h"
+#endif
+
#include <string>
#include <time.h>
-#include <pkglib/mmap.h>
-
-// Definitions for Depends::Type
-#define pkgDEP_Depends 1
-#define pkgDEP_PreDepends 2
-#define pkgDEP_Suggests 3
-#define pkgDEP_Recommends 4
-#define pkgDEP_Conflicts 5
-#define pkgDEP_Replaces 6
-
-// Definitions for Version::Priority
-#define pkgPRIO_Important 1
-#define pkgPRIO_Required 2
-#define pkgPRIO_Standard 3
-#define pkgPRIO_Optional 4
-#define pkgPRIO_Extra 5
-
-// Definitions for Package::SelectedState
-#define pkgSTATE_Unkown 0
-#define pkgSTATE_Install 1
-#define pkgSTATE_Hold 2
-#define pkgSTATE_DeInstall 3
-#define pkgSTATE_Purge 4
-
-// Definitions for Package::Flags
-#define pkgFLAG_Auto (1 << 0)
-#define pkgFLAG_New (1 << 1)
-#define pkgFLAG_Obsolete (1 << 2)
-#define pkgFLAG_Essential (1 << 3)
-#define pkgFLAG_ImmediateConf (1 << 4)
-
-// Definitions for Package::InstState
-#define pkgSTATE_Ok 0
-#define pkgSTATE_ReInstReq 1
-#define pkgSTATE_Hold 2
-#define pkgSTATE_HoldReInstReq 3
-
-// Definitions for Package::CurrentState
-#define pkgSTATE_NotInstalled 0
-#define pkgSTATE_UnPacked 1
-#define pkgSTATE_HalfConfigured 2
-#define pkgSTATE_UnInstalled 3
-#define pkgSTATE_HalfInstalled 4
-#define pkgSTATE_ConfigFiles 5
-#define pkgSTATE_Installed 6
-
-// Definitions for PackageFile::Flags
-#define pkgFLAG_NotSource (1 << 0)
-
-// Definitions for Dependency::CompareOp
-#define pkgOP_OR 0x10
-#define pkgOP_LESSEQ 0x1
-#define pkgOP_GREATEREQ 0x2
-#define pkgOP_LESS 0x3
-#define pkgOP_GREATER 0x4
-#define pkgOP_EQUALS 0x5
-#define pkgOP_NOTEQUALS 0x6
+#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;
- friend PkgIterator;
- friend VerIterator;
- friend DepIterator;
- friend PrvIterator;
- friend PkgFileIterator;
+ class 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
+ struct Dep
+ {
+ enum DepType {Depends=1,PreDepends=2,Suggests=3,Recommends=4,
+ Conflicts=5,Replaces=6,Obsoletes=7};
+ enum DepCompareOp {Or=0x10,NoOp=0,LessEq=0x1,GreaterEq=0x2,Less=0x3,
+ Greater=0x4,Equals=0x5,NotEquals=0x6};
+ };
+
+ struct State
+ {
+ enum VerPriority {Important=1,Required=2,Standard=3,Optional=4,Extra=5};
+ enum PkgSelectedState {Unknown=0,Install=1,Hold=2,DeInstall=3,Purge=4};
+ enum PkgInstState {Ok=0,ReInstReq=1,HoldInst=2,HoldReInstReq=3};
+ enum PkgCurrentState {NotInstalled=0,UnPacked=1,HalfConfigured=2,
+ HalfInstalled=4,ConfigFiles=5,Installed=6};
+ };
+
+ struct Flag
+ {
+ enum PkgFlags {Auto=(1<<0),Essential=(1<<3),Important=(1<<4)};
+ enum PkgFFlags {NotSource=(1<<0),NotAutomatic=(1<<1)};
+ };
protected:
string CacheFile;
MMap ⤅
- bool Public;
- bool ReadOnly;
-
- static unsigned long sHash(string S);
- static unsigned long sHash(const char *S);
+ unsigned long sHash(string S) const;
+ unsigned long sHash(const char *S) const;
public:
// Pointers to the arrays of items
Header *HeaderP;
Package *PkgP;
+ VerFile *VerFileP;
+ DescFile *DescFileP;
PackageFile *PkgFileP;
Version *VerP;
+ Description *DescP;
Provides *ProvideP;
Dependency *DepP;
StringItem *StringItemP;
char *StrP;
-
+
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 char *S) const {return sHash(S);};
+ // Usefull transformation things
+ const char *Priority(unsigned char Priority);
+
// Accessors
PkgIterator FindPkg(string Name);
Header &Head() {return *HeaderP;};
inline PkgIterator PkgBegin();
inline PkgIterator PkgEnd();
+ inline PkgFileIterator FileBegin();
+ inline PkgFileIterator FileEnd();
- pkgCache(MMap &Map);
+ // 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,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
- unsigned long FileList; // struct PackageFile
- unsigned long StringList; // struct StringItem
+ 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[6];
+ DynamicMMap::Pool Pools[8];
// Rapid package name lookup
- unsigned long HashTable[512];
+ map_ptrloc HashTable[2*1048];
bool CheckSizes(Header &Against) const;
Header();
struct pkgCache::Package
{
// Pointers
- unsigned long Name; // Stringtable
- unsigned long VersionList; // Version
- unsigned long TargetVer; // Version
- unsigned long CurrentVer; // Version
- unsigned long TargetDist; // StringTable (StringItem)
- unsigned long Section; // StringTable (StringItem)
+ map_ptrloc Name; // Stringtable
+ map_ptrloc VersionList; // Version
+ map_ptrloc CurrentVer; // Version
+ map_ptrloc Section; // StringTable (StringItem)
// Linked list
- unsigned long NextPackage; // Package
- unsigned long RevDepends; // Dependency
- unsigned long ProvidesList; // Provides
-
+ map_ptrloc NextPackage; // Package
+ map_ptrloc RevDepends; // Dependency
+ map_ptrloc ProvidesList; // Provides
+
// Install/Remove/Purge etc
unsigned char SelectedState; // What
unsigned char InstState; // Flags
unsigned char CurrentState; // State
unsigned short ID;
- unsigned short Flags;
+ unsigned long Flags;
};
struct pkgCache::PackageFile
{
// Names
- unsigned long FileName; // Stringtable
- unsigned long Version; // Stringtable
- unsigned long Distribution; // Stringtable
- unsigned long Size;
+ map_ptrloc FileName; // Stringtable
+ map_ptrloc Archive; // Stringtable
+ map_ptrloc Component; // Stringtable
+ map_ptrloc Version; // Stringtable
+ 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;
// Linked list
- unsigned long NextFile; // PackageFile
+ map_ptrloc NextFile; // PackageFile
unsigned short ID;
- unsigned short Flags;
time_t mtime; // Modification time for the file
};
+struct pkgCache::VerFile
+{
+ map_ptrloc File; // PackageFile
+ map_ptrloc NextFile; // PkgVerFile
+ map_ptrloc Offset; // File offset
+ 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
{
- unsigned long VerStr; // Stringtable
- unsigned long File; // PackageFile
- unsigned long Section; // StringTable (StringItem)
-
+ map_ptrloc VerStr; // Stringtable
+ map_ptrloc Section; // StringTable (StringItem)
+ map_ptrloc Arch; // StringTable
+
// Lists
- unsigned long NextVer; // Version
- unsigned long DependsList; // Dependency
- unsigned long ParentPkg; // Package
- unsigned long ProvidesList; // Provides
+ 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 long Offset;
- unsigned long Size;
- unsigned long InstalledSize;
+ map_ptrloc Size; // These are the .deb size
+ map_ptrloc InstalledSize;
+ unsigned short Hash;
unsigned short ID;
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
{
- unsigned long Version; // Stringtable
- unsigned long Package; // Package
- unsigned long NextDepends; // Dependency
- unsigned long NextRevDepends; // Dependency
- unsigned long ParentVer; // Version
+ map_ptrloc Version; // Stringtable
+ map_ptrloc Package; // Package
+ map_ptrloc NextDepends; // Dependency
+ map_ptrloc NextRevDepends; // Dependency
+ map_ptrloc ParentVer; // Version
// Specific types of depends
+ map_ptrloc ID;
unsigned char Type;
unsigned char CompareOp;
- unsigned short ID;
};
struct pkgCache::Provides
{
- unsigned long ParentPkg; // Pacakge
- unsigned long Version; // Version
- unsigned long ProvideVersion; // Stringtable
- unsigned long NextProvides; // Provides
- unsigned long NextPkgProv; // Provides
+ map_ptrloc ParentPkg; // Pacakge
+ map_ptrloc Version; // Version
+ map_ptrloc ProvideVersion; // Stringtable
+ map_ptrloc NextProvides; // Provides
+ map_ptrloc NextPkgProv; // Provides
};
struct pkgCache::StringItem
{
- unsigned long String; // Stringtable
- unsigned long NextItem; // StringItem
+ map_ptrloc String; // Stringtable
+ map_ptrloc NextItem; // StringItem
};
-#include <pkglib/cacheiterators.h>
+#include <apt-pkg/cacheiterators.h>
inline pkgCache::PkgIterator pkgCache::PkgBegin()
{return PkgIterator(*this);};
inline pkgCache::PkgIterator pkgCache::PkgEnd()
{return PkgIterator(*this,PkgP);};
+inline pkgCache::PkgFileIterator pkgCache::FileBegin()
+ {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