X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f9eec0e748c2e735980bf80445535d32f27f8301..6627bdccce46a9acdae09d37e6e1444a5f7384e1:/apt-pkg/pkgcache.cc?ds=sidebyside diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc index 017c4accb..9926befe9 100644 --- a/apt-pkg/pkgcache.cc +++ b/apt-pkg/pkgcache.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: pkgcache.cc,v 1.23 1999/02/23 06:46:24 jgg Exp $ +// $Id: pkgcache.cc,v 1.37 2003/02/10 01:40:58 doogie Exp $ /* ###################################################################### Package Cache - Accessor code for the cache @@ -24,16 +24,25 @@ #pragma implementation "apt-pkg/pkgcache.h" #pragma implementation "apt-pkg/cacheiterators.h" #endif + #include #include #include -#include +#include +#include +#include + #include #include #include + +#include +#include /*}}}*/ +using std::string; + // Cache::Header::Header - Constructor /*{{{*/ // --------------------------------------------------------------------- /* Simply initialize the header */ @@ -43,9 +52,9 @@ pkgCache::Header::Header() /* Whenever the structures change the major version should be bumped, whenever the generator changes the minor version should be bumped. */ - MajorVersion = 2; - MinorVersion = 3; - Dirty = true; + MajorVersion = 4; + MinorVersion = 0; + Dirty = false; HeaderSz = sizeof(pkgCache::Header); PackageSz = sizeof(pkgCache::Package); @@ -65,6 +74,8 @@ pkgCache::Header::Header() FileList = 0; StringList = 0; + VerSysName = 0; + Architecture = 0; memset(HashTable,0,sizeof(HashTable)); memset(Pools,0,sizeof(Pools)); } @@ -89,9 +100,10 @@ bool pkgCache::Header::CheckSizes(Header &Against) const // Cache::pkgCache - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgCache::pkgCache(MMap &Map) : Map(Map) +pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map) { - ReMap(); + if (DoMap == true) + ReMap(); } /*}}}*/ // Cache::ReMap - Reopen the cache file /*{{{*/ @@ -110,20 +122,29 @@ bool pkgCache::ReMap() StringItemP = (StringItem *)Map.Data(); StrP = (char *)Map.Data(); - if (Map.Size() == 0) - return false; + if (Map.Size() == 0 || HeaderP == 0) + return _error->Error(_("Empty package cache")); // Check the header Header DefHeader; if (HeaderP->Signature != DefHeader.Signature || HeaderP->Dirty == true) - return _error->Error("The package cache file is corrupted"); + return _error->Error(_("The package cache file is corrupted")); if (HeaderP->MajorVersion != DefHeader.MajorVersion || HeaderP->MinorVersion != DefHeader.MinorVersion || HeaderP->CheckSizes(DefHeader) == false) - return _error->Error("The package cache file is an incompatible version"); - + return _error->Error(_("The package cache file is an incompatible version")); + + // Locate our VS.. + if (HeaderP->VerSysName == 0 || + (VS = pkgVersioningSystem::GetVS(StrP + HeaderP->VerSysName)) == 0) + return _error->Error(_("This APT does not support the versioning system '%s'"),StrP + HeaderP->VerSysName); + + // Chcek the arhcitecture + if (HeaderP->Architecture == 0 || + _config->Find("APT::Architecture") != StrP + HeaderP->Architecture) + return _error->Error(_("The package cache was built for a different architecture")); return true; } /*}}}*/ @@ -132,11 +153,11 @@ bool pkgCache::ReMap() /* This is used to generate the hash entries for the HashTable. With my package list from bo this function gets 94% table usage on a 512 item table (480 used items) */ -unsigned long pkgCache::sHash(string Str) const +unsigned long pkgCache::sHash(const string &Str) const { unsigned long Hash = 0; - for (const char *I = Str.begin(); I != Str.end(); I++) - Hash = 5*Hash + *I; + for (string::const_iterator I = Str.begin(); I != Str.end(); I++) + Hash = 5*Hash + tolower(*I); return Hash % _count(HeaderP->HashTable); } @@ -144,7 +165,7 @@ unsigned long pkgCache::sHash(const char *Str) const { unsigned long Hash = 0; for (const char *I = Str; *I != 0; I++) - Hash = 5*Hash + *I; + Hash = 5*Hash + tolower(*I); return Hash % _count(HeaderP->HashTable); } @@ -152,26 +173,63 @@ unsigned long pkgCache::sHash(const char *Str) const // Cache::FindPkg - Locate a package by name /*{{{*/ // --------------------------------------------------------------------- /* Returns 0 on error, pointer to the package otherwise */ -pkgCache::PkgIterator pkgCache::FindPkg(string Name) +pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) { // Look at the hash bucket Package *Pkg = PkgP + HeaderP->HashTable[Hash(Name)]; for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage) { if (Pkg->Name != 0 && StrP[Pkg->Name] == Name[0] && - StrP + Pkg->Name == Name) + stringcasecmp(Name,StrP + Pkg->Name) == 0) return PkgIterator(*this,Pkg); -// cout << "b" << flush; } return PkgIterator(*this,0); } /*}}}*/ +// Cache::CompTypeDeb - Return a string describing the compare type /*{{{*/ +// --------------------------------------------------------------------- +/* This returns a string representation of the dependency compare + type in the weird debian style.. */ +const char *pkgCache::CompTypeDeb(unsigned char Comp) +{ + const char *Ops[] = {"","<=",">=","<<",">>","=","!="}; + if ((unsigned)(Comp & 0xF) < 7) + return Ops[Comp & 0xF]; + return ""; +} + /*}}}*/ +// Cache::CompType - Return a string describing the compare type /*{{{*/ +// --------------------------------------------------------------------- +/* This returns a string representation of the dependency compare + type */ +const char *pkgCache::CompType(unsigned char Comp) +{ + const char *Ops[] = {"","<=",">=","<",">","=","!="}; + if ((unsigned)(Comp & 0xF) < 7) + return Ops[Comp & 0xF]; + return ""; +} + /*}}}*/ +// Cache::DepType - Return a string describing the dep type /*{{{*/ +// --------------------------------------------------------------------- +/* */ +const char *pkgCache::DepType(unsigned char Type) +{ + const char *Types[] = {"",_("Depends"),_("PreDepends"),_("Suggests"), + _("Recommends"),_("Conflicts"),_("Replaces"), + _("Obsoletes")}; + if (Type < 8) + return Types[Type]; + return ""; +} + /*}}}*/ // Cache::Priority - Convert a priority value to a string /*{{{*/ // --------------------------------------------------------------------- /* */ const char *pkgCache::Priority(unsigned char Prio) { - const char *Mapping[] = {0,"important","required","standard","optional","extra"}; + const char *Mapping[] = {0,_("important"),_("required"),_("standard"), + _("optional"),_("extra")}; if (Prio < _count(Mapping)) return Mapping[Prio]; return 0; @@ -191,9 +249,9 @@ void pkgCache::PkgIterator::operator ++(int) // Follow the current links if (Pkg != Owner->PkgP) Pkg = Owner->PkgP + Pkg->NextPackage; - + // Follow the hash table - while (Pkg == Owner->PkgP && HashIndex < (signed)_count(Owner->HeaderP->HashTable)) + while (Pkg == Owner->PkgP && (HashIndex+1) < (signed)_count(Owner->HeaderP->HashTable)) { HashIndex++; Pkg = Owner->PkgP + Owner->HeaderP->HashTable[HashIndex]; @@ -213,8 +271,7 @@ pkgCache::PkgIterator::OkState pkgCache::PkgIterator::State() const Pkg->CurrentState == pkgCache::State::HalfConfigured) return NeedsConfigure; - if (Pkg->CurrentState == pkgCache::State::UnInstalled || - Pkg->CurrentState == pkgCache::State::HalfInstalled || + if (Pkg->CurrentState == pkgCache::State::HalfInstalled || Pkg->InstState != pkgCache::State::Ok) return NeedsUnpack; @@ -227,7 +284,8 @@ pkgCache::PkgIterator::OkState pkgCache::PkgIterator::State() const conflicts. */ bool pkgCache::DepIterator::IsCritical() { - if (Dep->Type == pkgCache::Dep::Conflicts || + if (Dep->Type == pkgCache::Dep::Conflicts || + Dep->Type == pkgCache::Dep::Obsoletes || Dep->Type == pkgCache::Dep::Depends || Dep->Type == pkgCache::Dep::PreDepends) return true; @@ -242,7 +300,11 @@ bool pkgCache::DepIterator::IsCritical() then it returned. Otherwise the providing list is looked at to see if there is one one unique providing package if so it is returned. Otherwise true is returned and the target package is set. The return - result indicates whether the node should be expandable */ + result indicates whether the node should be expandable + + In Conjunction with the DepCache the value of Result may not be + super-good since the policy may have made it uninstallable. Using + AllTargets is better in this case. */ bool pkgCache::DepIterator::SmartTargetPkg(PkgIterator &Result) { Result = TargetPkg(); @@ -276,17 +338,19 @@ bool pkgCache::DepIterator::SmartTargetPkg(PkgIterator &Result) if (PStart.OwnerPkg() != P.OwnerPkg()) break; } + + Result = PStart.OwnerPkg(); // Check for non dups if (P.end() != true) return true; - Result = PStart.OwnerPkg(); + return false; } /*}}}*/ // DepIterator::AllTargets - Returns the set of all possible targets /*{{{*/ // --------------------------------------------------------------------- -/* This is a more usefull version of TargetPkg() that follows versioned +/* This is a more useful version of TargetPkg() that follows versioned provides. It includes every possible package-version that could satisfy the dependency. The last item in the list has a 0. The resulting pointer must be delete [] 'd */ @@ -302,10 +366,11 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets() // Walk along the actual package providing versions for (VerIterator I = DPkg.VersionList(); I.end() == false; I++) { - if (pkgCheckDep(TargetVer(),I.VerStr(),Dep->CompareOp) == false) + if (Owner->VS->CheckDep(I.VerStr(),Dep->CompareOp,TargetVer()) == false) continue; - if (Dep->Type == pkgCache::Dep::Conflicts && + if ((Dep->Type == pkgCache::Dep::Conflicts || + Dep->Type == pkgCache::Dep::Obsoletes) && ParentPkg() == I.ParentPkg()) continue; @@ -317,10 +382,11 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets() // Follow all provides for (PrvIterator I = DPkg.ProvidesList(); I.end() == false; I++) { - if (pkgCheckDep(TargetVer(),I.ProvideVersion(),Dep->CompareOp) == false) + if (Owner->VS->CheckDep(I.ProvideVersion(),Dep->CompareOp,TargetVer()) == false) continue; - if (Dep->Type == pkgCache::Dep::Conflicts && + if ((Dep->Type == pkgCache::Dep::Conflicts || + Dep->Type == pkgCache::Dep::Obsoletes) && ParentPkg() == I.OwnerPkg()) continue; @@ -345,30 +411,6 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets() return Res; } /*}}}*/ -// DepIterator::CompType - Return a string describing the compare type /*{{{*/ -// --------------------------------------------------------------------- -/* This returns a string representation of the dependency compare - type */ -const char *pkgCache::DepIterator::CompType() -{ - const char *Ops[] = {"","<=",">=","<",">","=","!="}; - if ((unsigned)(Dep->CompareOp & 0xF) < 7) - return Ops[Dep->CompareOp & 0xF]; - return ""; -} - /*}}}*/ -// DepIterator::DepType - Return a string describing the dep type /*{{{*/ -// --------------------------------------------------------------------- -/* */ -const char *pkgCache::DepIterator::DepType() -{ - const char *Types[] = {"","Depends","PreDepends","Suggests", - "Recommends","Conflicts","Replaces"}; - if (Dep->Type < 7) - return Types[Dep->Type]; - return ""; -} - /*}}}*/ // DepIterator::GlobOr - Compute an OR group /*{{{*/ // --------------------------------------------------------------------- /* This Takes an iterator, iterates past the current dependency grouping @@ -424,18 +466,6 @@ bool pkgCache::VerIterator::Downloadable() const return false; } /*}}}*/ -// VerIterator::PriorityType - Return a string describing the priority /*{{{*/ -// --------------------------------------------------------------------- -/* */ -const char *pkgCache::VerIterator::PriorityType() -{ - const char *Types[] = {"","Important","Required","Standard", - "Optional","Extra"}; - if (Ver->Priority < 6) - return Types[Ver->Priority]; - return ""; -} - /*}}}*/ // VerIterator::Automatic - Check if this version is 'automatic' /*{{{*/ // --------------------------------------------------------------------- /* This checks to see if any of the versions files are not NotAutomatic. @@ -459,13 +489,80 @@ pkgCache::VerFileIterator pkgCache::VerIterator::NewestFile() const VerFileIterator Highest = Files; for (; Files.end() == false; Files++) { - if (pkgVersionCompare(Files.File().Version(),Highest.File().Version()) > 0) + if (Owner->VS->CmpReleaseVer(Files.File().Version(),Highest.File().Version()) > 0) Highest = Files; } return Highest; } /*}}}*/ +// VerIterator::RelStr - Release description string /*{{{*/ +// --------------------------------------------------------------------- +/* This describes the version from a release-centric manner. The output is a + list of Label:Version/Archive */ +string pkgCache::VerIterator::RelStr() +{ + bool First = true; + string Res; + for (pkgCache::VerFileIterator I = this->FileList(); I.end() == false; I++) + { + // Do not print 'not source' entries' + pkgCache::PkgFileIterator File = I.File(); + if ((File->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) + continue; + + // See if we have already printed this out.. + bool Seen = false; + for (pkgCache::VerFileIterator J = this->FileList(); I != J; J++) + { + pkgCache::PkgFileIterator File2 = J.File(); + if (File2->Label == 0 || File->Label == 0) + continue; + + if (strcmp(File.Label(),File2.Label()) != 0) + continue; + + if (File2->Version == File->Version) + { + Seen = true; + break; + } + if (File2->Version == 0 || File->Version == 0) + break; + if (strcmp(File.Version(),File2.Version()) == 0) + Seen = true; + } + + if (Seen == true) + continue; + + if (First == false) + Res += ", "; + else + First = false; + + if (File->Label != 0) + Res = Res + File.Label() + ':'; + + if (File->Archive != 0) + { + if (File->Version == 0) + Res += File.Archive(); + else + Res = Res + File.Version() + '/' + File.Archive(); + } + else + { + // No release file, print the host name that this came from + if (File->Site == 0 || File.Site()[0] == 0) + Res += "localhost"; + else + Res += File.Site(); + } + } + return Res; +} + /*}}}*/ // PkgFileIterator::IsOk - Checks if the cache is in sync with the file /*{{{*/ // --------------------------------------------------------------------- /* This stats the file and compares its stats with the ones that were @@ -483,3 +580,22 @@ bool pkgCache::PkgFileIterator::IsOk() return true; } /*}}}*/ +// PkgFileIterator::RelStr - Return the release string /*{{{*/ +// --------------------------------------------------------------------- +/* */ +string pkgCache::PkgFileIterator::RelStr() +{ + string Res; + if (Version() != 0) + Res = Res + (Res.empty() == true?"v=":",v=") + Version(); + if (Origin() != 0) + Res = Res + (Res.empty() == true?"o=":",o=") + Origin(); + if (Archive() != 0) + Res = Res + (Res.empty() == true?"a=":",a=") + Archive(); + if (Label() != 0) + Res = Res + (Res.empty() == true?"l=":",l=") + Label(); + if (Component() != 0) + Res = Res + (Res.empty() == true?"c=":",c=") + Component(); + return Res; +} + /*}}}*/