X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/dcb79bae22bd3e4739db39e56d00b4d65ff42269..e5a1f2ff4cd1300364c7c644958583a8af704173:/apt-pkg/pkgcache.h diff --git a/apt-pkg/pkgcache.h b/apt-pkg/pkgcache.h index 836418c2c..7628cebd9 100644 --- a/apt-pkg/pkgcache.h +++ b/apt-pkg/pkgcache.h @@ -1,11 +1,11 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: pkgcache.h,v 1.4 1998/07/05 05:33:55 jgg Exp $ +// $Id: pkgcache.h,v 1.18 1999/02/23 06:46:24 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 @@ -20,9 +20,18 @@ #ifndef PKGLIB_PKGCACHE_H #define PKGLIB_PKGCACHE_H +#ifdef __GNUG__ +#pragma interface "apt-pkg/pkgcache.h" +#endif + #include #include -#include +#include + +/* This should be a 32 bit type, larger tyes use too much ram and smaller + types are too small. Where ever possible 'unsigned long' should be used + instead of this internal type */ +typedef unsigned int __apt_ptrloc; class pkgCache { @@ -52,19 +61,28 @@ class pkgCache friend VerFileIterator; // These are all the constants used in the cache structures - enum DepType {Depends=1,PreDepends=2,Suggests=3,Recommends=4, - Conflicts=5,Replaces=6}; - enum VerPriority {Important=1,Required=2,Standard=3,Optional=5,Extra=5}; - enum PkgSelectedState {Unknown=0,Install=1,Hold=2,DeInstall=3,Purge=4}; - enum PkgFlags {Auto=(1<<0),New=(1<<1),Obsolete=(1<<2),Essential=(1<<3), - ImmediateConf=(1<<4)}; - enum PkgInstState {Ok=0,ReInstReq=1,HoldInst=2,HoldReInstReq=3}; - enum PkgCurrentState {NotInstalled=0,UnPacked=1,HalfConfigured=2, - UnInstalled=3,HalfInstalled=4,ConfigFiles=5, - Installed=6}; - enum PkgFFlags {NotSource=(1<<0)}; - enum DepCompareOp {Or=0x10,NoOp=0,LessEq=0x1,GreaterEq=0x2,Less=0x3, - Greater=0x4,Equals=0x5,NotEquals=0x6}; + struct Dep + { + enum DepType {Depends=1,PreDepends=2,Suggests=3,Recommends=4, + Conflicts=5,Replaces=6}; + 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, + UnInstalled=3,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: @@ -72,11 +90,8 @@ class pkgCache 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: @@ -93,6 +108,7 @@ class pkgCache virtual bool ReMap(); inline bool Sync() {return Map.Sync();}; + inline MMap &GetMap() {return Map;}; // String hashing function (512 range) inline unsigned long Hash(string S) const {return sHash(S);}; @@ -106,7 +122,9 @@ class pkgCache Header &Head() {return *HeaderP;}; inline PkgIterator PkgBegin(); inline PkgIterator PkgEnd(); - + inline PkgFileIterator FileBegin(); + inline PkgFileIterator FileEnd(); + pkgCache(MMap &Map); virtual ~pkgCache() {}; }; @@ -134,17 +152,20 @@ struct pkgCache::Header unsigned long VersionCount; unsigned long DependsCount; unsigned long PackageFileCount; + unsigned long VerFileCount; + unsigned long ProvidesCount; // Offsets - unsigned long FileList; // struct PackageFile - unsigned long StringList; // struct StringItem + __apt_ptrloc FileList; // struct PackageFile + __apt_ptrloc StringList; // struct StringItem + unsigned long MaxVerFileSize; /* Allocation pools, there should be one of these for each structure excluding the header */ DynamicMMap::Pool Pools[7]; // Rapid package name lookup - unsigned long HashTable[512]; + __apt_ptrloc HashTable[2*1048]; bool CheckSizes(Header &Against) const; Header(); @@ -153,17 +174,17 @@ struct pkgCache::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) + __apt_ptrloc Name; // Stringtable + __apt_ptrloc VersionList; // Version + __apt_ptrloc TargetVer; // Version + __apt_ptrloc CurrentVer; // Version + __apt_ptrloc TargetDist; // StringTable (StringItem) + __apt_ptrloc Section; // StringTable (StringItem) // Linked list - unsigned long NextPackage; // Package - unsigned long RevDepends; // Dependency - unsigned long ProvidesList; // Provides + __apt_ptrloc NextPackage; // Package + __apt_ptrloc RevDepends; // Dependency + __apt_ptrloc ProvidesList; // Provides // Install/Remove/Purge etc unsigned char SelectedState; // What @@ -177,51 +198,56 @@ struct pkgCache::Package struct pkgCache::PackageFile { // Names - unsigned long FileName; // Stringtable - unsigned long Version; // Stringtable - unsigned long Distribution; // Stringtable - unsigned long Size; + __apt_ptrloc FileName; // Stringtable + __apt_ptrloc Archive; // Stringtable + __apt_ptrloc Component; // Stringtable + __apt_ptrloc Version; // Stringtable + __apt_ptrloc Origin; // Stringtable + __apt_ptrloc Label; // Stringtable + __apt_ptrloc Architecture; // Stringtable + unsigned long Size; + unsigned long Flags; // Linked list - unsigned long NextFile; // PackageFile + __apt_ptrloc NextFile; // PackageFile unsigned short ID; - unsigned long Flags; time_t mtime; // Modification time for the file }; struct pkgCache::VerFile { - unsigned long File; // PackageFile - unsigned long NextFile; // PkgVerFile - unsigned long Offset; + __apt_ptrloc File; // PackageFile + __apt_ptrloc NextFile; // PkgVerFile + __apt_ptrloc Offset; // File offset unsigned short Size; }; struct pkgCache::Version { - unsigned long VerStr; // Stringtable - unsigned long Section; // StringTable (StringItem) - + __apt_ptrloc VerStr; // Stringtable + __apt_ptrloc Section; // StringTable (StringItem) + __apt_ptrloc Arch; // StringTable + // Lists - unsigned long FileList; // VerFile - unsigned long NextVer; // Version - unsigned long DependsList; // Dependency - unsigned long ParentPkg; // Package - unsigned long ProvidesList; // Provides - - unsigned long Size; - unsigned long InstalledSize; + __apt_ptrloc FileList; // VerFile + __apt_ptrloc NextVer; // Version + __apt_ptrloc DependsList; // Dependency + __apt_ptrloc ParentPkg; // Package + __apt_ptrloc ProvidesList; // Provides + + __apt_ptrloc Size; // These are the .deb size + __apt_ptrloc InstalledSize; unsigned short ID; unsigned char Priority; }; struct pkgCache::Dependency { - unsigned long Version; // Stringtable - unsigned long Package; // Package - unsigned long NextDepends; // Dependency - unsigned long NextRevDepends; // Dependency - unsigned long ParentVer; // Version + __apt_ptrloc Version; // Stringtable + __apt_ptrloc Package; // Package + __apt_ptrloc NextDepends; // Dependency + __apt_ptrloc NextRevDepends; // Dependency + __apt_ptrloc ParentVer; // Version // Specific types of depends unsigned char Type; @@ -231,24 +257,28 @@ struct pkgCache::Dependency struct pkgCache::Provides { - unsigned long ParentPkg; // Pacakge - unsigned long Version; // Version - unsigned long ProvideVersion; // Stringtable - unsigned long NextProvides; // Provides - unsigned long NextPkgProv; // Provides + __apt_ptrloc ParentPkg; // Pacakge + __apt_ptrloc Version; // Version + __apt_ptrloc ProvideVersion; // Stringtable + __apt_ptrloc NextProvides; // Provides + __apt_ptrloc NextPkgProv; // Provides }; struct pkgCache::StringItem { - unsigned long String; // Stringtable - unsigned long NextItem; // StringItem + __apt_ptrloc String; // Stringtable + __apt_ptrloc NextItem; // StringItem }; -#include +#include 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);}; +inline pkgCache::PkgFileIterator pkgCache::FileEnd() + {return PkgFileIterator(*this,PkgFileP);}; #endif