// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: pkgcache.cc,v 1.25 1999/05/23 22:55:54 jgg Exp $
+// $Id: pkgcache.cc,v 1.37 2003/02/10 01:40:58 doogie Exp $
/* ######################################################################
Package Cache - Accessor code for the cache
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/pkgcache.h"
-#pragma implementation "apt-pkg/cacheiterators.h"
-#endif
#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/policy.h>
#include <apt-pkg/version.h>
#include <apt-pkg/error.h>
-#include <system.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/macros.h>
+#include <apti18n.h>
+
#include <string>
#include <sys/stat.h>
#include <unistd.h>
+
+#include <ctype.h>
/*}}}*/
+using std::string;
+
+
// Cache::Header::Header - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* Simply initialize the header */
/* Whenever the structures change the major version should be bumped,
whenever the generator changes the minor version should be bumped. */
- MajorVersion = 3;
- MinorVersion = 1;
- Dirty = true;
+ MajorVersion = 8;
+ MinorVersion = 0;
+ Dirty = false;
HeaderSz = sizeof(pkgCache::Header);
+ GroupSz = sizeof(pkgCache::Group);
PackageSz = sizeof(pkgCache::Package);
PackageFileSz = sizeof(pkgCache::PackageFile);
VersionSz = sizeof(pkgCache::Version);
+ DescriptionSz = sizeof(pkgCache::Description);
DependencySz = sizeof(pkgCache::Dependency);
ProvidesSz = sizeof(pkgCache::Provides);
VerFileSz = sizeof(pkgCache::VerFile);
+ DescFileSz = sizeof(pkgCache::DescFile);
+ GroupCount = 0;
PackageCount = 0;
VersionCount = 0;
+ DescriptionCount = 0;
DependsCount = 0;
PackageFileCount = 0;
VerFileCount = 0;
+ DescFileCount = 0;
ProvidesCount = 0;
MaxVerFileSize = 0;
+ MaxDescFileSize = 0;
FileList = 0;
StringList = 0;
- memset(HashTable,0,sizeof(HashTable));
+ VerSysName = 0;
+ Architecture = 0;
+ memset(PkgHashTable,0,sizeof(PkgHashTable));
+ memset(GrpHashTable,0,sizeof(GrpHashTable));
memset(Pools,0,sizeof(Pools));
+
+ CacheFileSize = 0;
}
/*}}}*/
// Cache::Header::CheckSizes - Check if the two headers have same *sz /*{{{*/
bool pkgCache::Header::CheckSizes(Header &Against) const
{
if (HeaderSz == Against.HeaderSz &&
+ GroupSz == Against.GroupSz &&
PackageSz == Against.PackageSz &&
PackageFileSz == Against.PackageFileSz &&
VersionSz == Against.VersionSz &&
+ DescriptionSz == Against.DescriptionSz &&
DependencySz == Against.DependencySz &&
VerFileSz == Against.VerFileSz &&
+ DescFileSz == Against.DescFileSz &&
ProvidesSz == Against.ProvidesSz)
return true;
return false;
// Cache::pkgCache - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
-pkgCache::pkgCache(MMap &Map) : Map(Map)
+pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map)
{
- ReMap();
+ // call getArchitectures() with cached=false to ensure that the
+ // architectures cache is re-evaulated. this is needed in cases
+ // when the APT::Architecture field changes between two cache creations
+ MultiArchEnabled = APT::Configuration::getArchitectures(false).size() > 1;
+ if (DoMap == true)
+ ReMap();
}
/*}}}*/
// Cache::ReMap - Reopen the cache file /*{{{*/
// ---------------------------------------------------------------------
/* If the file is already closed then this will open it open it. */
-bool pkgCache::ReMap()
+bool pkgCache::ReMap(bool const &Errorchecks)
{
// Apply the typecasts.
HeaderP = (Header *)Map.Data();
+ GrpP = (Group *)Map.Data();
PkgP = (Package *)Map.Data();
VerFileP = (VerFile *)Map.Data();
+ DescFileP = (DescFile *)Map.Data();
PkgFileP = (PackageFile *)Map.Data();
VerP = (Version *)Map.Data();
+ DescP = (Description *)Map.Data();
ProvideP = (Provides *)Map.Data();
DepP = (Dependency *)Map.Data();
StringItemP = (StringItem *)Map.Data();
StrP = (char *)Map.Data();
- if (Map.Size() == 0)
- return false;
+ if (Errorchecks == false)
+ return true;
+
+ 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"));
+
+ if (Map.Size() < HeaderP->CacheFileSize)
+ return _error->Error(_("The package cache file is corrupted, it is too small"));
+
+ // 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;
}
/*}}}*/
/* 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;
- return Hash % _count(HeaderP->HashTable);
+ for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
+ Hash = 5*Hash + tolower_ascii(*I);
+ return Hash % _count(HeaderP->PkgHashTable);
}
unsigned long pkgCache::sHash(const char *Str) const
{
unsigned long Hash = 0;
for (const char *I = Str; *I != 0; I++)
- Hash = 5*Hash + *I;
- return Hash % _count(HeaderP->HashTable);
+ Hash = 5*Hash + tolower_ascii(*I);
+ return Hash % _count(HeaderP->PkgHashTable);
}
/*}}}*/
-// Cache::FindPkg - Locate a package by name /*{{{*/
+// Cache::SingleArchFindPkg - Locate a package by name /*{{{*/
// ---------------------------------------------------------------------
-/* Returns 0 on error, pointer to the package otherwise */
-pkgCache::PkgIterator pkgCache::FindPkg(string Name)
+/* Returns 0 on error, pointer to the package otherwise
+ The multiArch enabled methods will fallback to this one as it is (a bit)
+ faster for single arch environments and realworld is mostly singlearch… */
+pkgCache::PkgIterator pkgCache::SingleArchFindPkg(const string &Name)
{
// Look at the hash bucket
- Package *Pkg = PkgP + HeaderP->HashTable[Hash(Name)];
+ Package *Pkg = PkgP + HeaderP->PkgHashTable[Hash(Name)];
for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage)
{
if (Pkg->Name != 0 && StrP[Pkg->Name] == Name[0] &&
- StrP + Pkg->Name == Name)
- return PkgIterator(*this,Pkg);
-// cout << "b" << flush;
+ stringcasecmp(Name,StrP + Pkg->Name) == 0)
+ return PkgIterator(*this,Pkg);
}
return PkgIterator(*this,0);
}
/*}}}*/
+// Cache::FindPkg - Locate a package by name /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns 0 on error, pointer to the package otherwise */
+pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
+ size_t const found = Name.find(':');
+ if (found == string::npos)
+ {
+ if (MultiArchCache() == false)
+ return SingleArchFindPkg(Name);
+ else
+ return FindPkg(Name, "native");
+ }
+ string const Arch = Name.substr(found+1);
+ /* Beware: This is specialcased to handle pkg:any in dependencies as
+ these are linked to virtual pkg:any named packages with all archs.
+ If you want any arch from a given pkg, use FindPkg(pkg,arch) */
+ if (Arch == "any")
+ return FindPkg(Name, "any");
+ return FindPkg(Name.substr(0, found), Arch);
+}
+ /*}}}*/
+// Cache::FindPkg - Locate a package by name /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns 0 on error, pointer to the package otherwise */
+pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch) {
+ if (MultiArchCache() == false) {
+ if (Arch == "native" || Arch == "all" || Arch == "any" ||
+ Arch == NativeArch())
+ return SingleArchFindPkg(Name);
+ else
+ return PkgIterator(*this,0);
+ }
+ /* We make a detour via the GrpIterator here as
+ on a multi-arch environment a group is easier to
+ find than a package (less entries in the buckets) */
+ pkgCache::GrpIterator Grp = FindGrp(Name);
+ if (Grp.end() == true)
+ return PkgIterator(*this,0);
+
+ return Grp.FindPkg(Arch);
+}
+ /*}}}*/
+// Cache::FindGrp - Locate a group by name /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns End-Pointer on error, pointer to the group otherwise */
+pkgCache::GrpIterator pkgCache::FindGrp(const string &Name) {
+ if (unlikely(Name.empty() == true))
+ return GrpIterator(*this,0);
+
+ // Look at the hash bucket for the group
+ Group *Grp = GrpP + HeaderP->GrpHashTable[sHash(Name)];
+ for (; Grp != GrpP; Grp = GrpP + Grp->Next) {
+ if (Grp->Name != 0 && StrP[Grp->Name] == Name[0] &&
+ stringcasecmp(Name, StrP + Grp->Name) == 0)
+ return GrpIterator(*this, Grp);
+ }
+
+ return GrpIterator(*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"),_("Breaks"), _("Enhances")};
+ if (Type < sizeof(Types)/sizeof(*Types))
+ 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;
}
/*}}}*/
-// Cache::GetCandidateVer - Returns the Candidate install version /*{{{*/
+// GrpIterator::FindPkg - Locate a package by arch /*{{{*/
// ---------------------------------------------------------------------
-/* The default just returns the highest available version that is not
- a source and automatic */
-pkgCache::VerIterator pkgCache::GetCandidateVer(PkgIterator Pkg,
- bool AllowCurrent)
-{
- /* Not source/not automatic versions cannot be a candidate version
- unless they are already installed */
- VerIterator Last(*this,0);
-
- for (VerIterator I = Pkg.VersionList(); I.end() == false; I++)
- {
- if (Pkg.CurrentVer() == I && AllowCurrent == true)
- return I;
-
- for (VerFileIterator J = I.FileList(); J.end() == false; J++)
- {
- if ((J.File()->Flags & Flag::NotSource) != 0)
- continue;
+/* Returns an End-Pointer on error, pointer to the package otherwise */
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {
+ if (unlikely(IsGood() == false || S->FirstPackage == 0))
+ return PkgIterator(*Owner, 0);
- /* Stash the highest version of a not-automatic source, we use it
- if there is nothing better */
- if ((J.File()->Flags & Flag::NotAutomatic) != 0)
- {
- if (Last.end() == true)
- Last = I;
- continue;
- }
-
- return I;
- }
- }
-
- return Last;
+ /* If we accept any package we simply return the "first"
+ package in this group (the last one added). */
+ if (Arch == "any")
+ return PkgIterator(*Owner, Owner->PkgP + S->FirstPackage);
+
+ char const* const myArch = Owner->NativeArch();
+ /* Most of the time the package for our native architecture is
+ the one we add at first to the cache, but this would be the
+ last one we check, so we do it now. */
+ if (Arch == "native" || Arch == myArch || Arch == "all") {
+ pkgCache::Package *Pkg = Owner->PkgP + S->LastPackage;
+ if (strcasecmp(myArch, Owner->StrP + Pkg->Arch) == 0)
+ return PkgIterator(*Owner, Pkg);
+ Arch = myArch;
+ }
+
+ /* Iterate over the list to find the matching arch
+ unfortunately this list includes "package noise"
+ (= different packages with same calculated hash),
+ so we need to check the name also */
+ for (pkgCache::Package *Pkg = PackageList(); Pkg != Owner->PkgP;
+ Pkg = Owner->PkgP + Pkg->NextPackage) {
+ if (S->Name == Pkg->Name &&
+ stringcasecmp(Arch, Owner->StrP + Pkg->Arch) == 0)
+ return PkgIterator(*Owner, Pkg);
+ if ((Owner->PkgP + S->LastPackage) == Pkg)
+ break;
+ }
+
+ return PkgIterator(*Owner, 0);
}
/*}}}*/
+// GrpIterator::FindPreferredPkg - Locate the "best" package /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns an End-Pointer on error, pointer to the package otherwise */
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg(bool const &PreferNonVirtual) const {
+ pkgCache::PkgIterator Pkg = FindPkg("native");
+ if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
+ return Pkg;
+
+ std::vector<std::string> const archs = APT::Configuration::getArchitectures();
+ for (std::vector<std::string>::const_iterator a = archs.begin();
+ a != archs.end(); ++a) {
+ Pkg = FindPkg(*a);
+ if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
+ return Pkg;
+ }
-// Bases for iterator classes /*{{{*/
-void pkgCache::VerIterator::_dummy() {}
-void pkgCache::DepIterator::_dummy() {}
-void pkgCache::PrvIterator::_dummy() {}
+ if (PreferNonVirtual == true)
+ return FindPreferredPkg(false);
+ return PkgIterator(*Owner, 0);
+}
+ /*}}}*/
+// GrpIterator::NextPkg - Locate the next package in the group /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns an End-Pointer on error, pointer to the package otherwise.
+ We can't simply ++ to the next as the next package of the last will
+ be from a different group (with the same hash value) */
+pkgCache::PkgIterator pkgCache::GrpIterator::NextPkg(pkgCache::PkgIterator const &LastPkg) const {
+ if (unlikely(IsGood() == false || S->FirstPackage == 0 ||
+ LastPkg.end() == true))
+ return PkgIterator(*Owner, 0);
+
+ if (S->LastPackage == LastPkg.Index())
+ return PkgIterator(*Owner, 0);
+
+ return PkgIterator(*Owner, Owner->PkgP + LastPkg->NextPackage);
+}
+ /*}}}*/
+// GrpIterator::operator ++ - Postfix incr /*{{{*/
+// ---------------------------------------------------------------------
+/* This will advance to the next logical group in the hash table. */
+void pkgCache::GrpIterator::operator ++(int)
+{
+ // Follow the current links
+ if (S != Owner->GrpP)
+ S = Owner->GrpP + S->Next;
+
+ // Follow the hash table
+ while (S == Owner->GrpP && (HashIndex+1) < (signed)_count(Owner->HeaderP->GrpHashTable))
+ {
+ HashIndex++;
+ S = Owner->GrpP + Owner->HeaderP->GrpHashTable[HashIndex];
+ }
+};
/*}}}*/
// PkgIterator::operator ++ - Postfix incr /*{{{*/
// ---------------------------------------------------------------------
void pkgCache::PkgIterator::operator ++(int)
{
// Follow the current links
- if (Pkg != Owner->PkgP)
- Pkg = Owner->PkgP + Pkg->NextPackage;
-
+ if (S != Owner->PkgP)
+ S = Owner->PkgP + S->NextPackage;
+
// Follow the hash table
- while (Pkg == Owner->PkgP && HashIndex < (signed)_count(Owner->HeaderP->HashTable))
+ while (S == Owner->PkgP && (HashIndex+1) < (signed)_count(Owner->HeaderP->PkgHashTable))
{
HashIndex++;
- Pkg = Owner->PkgP + Owner->HeaderP->HashTable[HashIndex];
+ S = Owner->PkgP + Owner->HeaderP->PkgHashTable[HashIndex];
}
};
/*}}}*/
/* By this we mean if it is either cleanly installed or cleanly removed. */
pkgCache::PkgIterator::OkState pkgCache::PkgIterator::State() const
{
- if (Pkg->InstState == pkgCache::State::ReInstReq ||
- Pkg->InstState == pkgCache::State::HoldReInstReq)
+ if (S->InstState == pkgCache::State::ReInstReq ||
+ S->InstState == pkgCache::State::HoldReInstReq)
return NeedsUnpack;
- if (Pkg->CurrentState == pkgCache::State::UnPacked ||
- Pkg->CurrentState == pkgCache::State::HalfConfigured)
+ if (S->CurrentState == pkgCache::State::UnPacked ||
+ S->CurrentState == pkgCache::State::HalfConfigured)
+ // we leave triggers alone complettely. dpkg deals with
+ // them in a hard-to-predict manner and if they get
+ // resolved by dpkg before apt run dpkg --configure on
+ // the TriggersPending package dpkg returns a error
+ //Pkg->CurrentState == pkgCache::State::TriggersAwaited
+ //Pkg->CurrentState == pkgCache::State::TriggersPending)
return NeedsConfigure;
- if (Pkg->CurrentState == pkgCache::State::UnInstalled ||
- Pkg->CurrentState == pkgCache::State::HalfInstalled ||
- Pkg->InstState != pkgCache::State::Ok)
+ if (S->CurrentState == pkgCache::State::HalfInstalled ||
+ S->InstState != pkgCache::State::Ok)
return NeedsUnpack;
return NeedsNothing;
}
/*}}}*/
+// PkgIterator::CandVersion - Returns the candidate version string /*{{{*/
+// ---------------------------------------------------------------------
+/* Return string representing of the candidate version. */
+const char *
+pkgCache::PkgIterator::CandVersion() const
+{
+ //TargetVer is empty, so don't use it.
+ VerIterator version = pkgPolicy(Owner).GetCandidateVer(*this);
+ if (version.IsGood())
+ return version.VerStr();
+ return 0;
+};
+ /*}}}*/
+// PkgIterator::CurVersion - Returns the current version string /*{{{*/
+// ---------------------------------------------------------------------
+/* Return string representing of the current version. */
+const char *
+pkgCache::PkgIterator::CurVersion() const
+{
+ VerIterator version = CurrentVer();
+ if (version.IsGood())
+ return CurrentVer().VerStr();
+ return 0;
+};
+ /*}}}*/
+// ostream operator to handle string representation of a package /*{{{*/
+// ---------------------------------------------------------------------
+/* Output name < cur.rent.version -> candid.ate.version | new.est.version > (section)
+ Note that the characters <|>() are all literal above. Versions will be ommited
+ if they provide no new information (e.g. there is no newer version than candidate)
+ If no version and/or section can be found "none" is used. */
+std::ostream&
+operator<<(ostream& out, pkgCache::PkgIterator Pkg)
+{
+ if (Pkg.end() == true)
+ return out << "invalid package";
+
+ string current = string(Pkg.CurVersion() == 0 ? "none" : Pkg.CurVersion());
+ string candidate = string(Pkg.CandVersion() == 0 ? "none" : Pkg.CandVersion());
+ string newest = string(Pkg.VersionList().end() ? "none" : Pkg.VersionList().VerStr());
+
+ out << Pkg.Name() << " [ " << Pkg.Arch() << " ] < " << current;
+ if (current != candidate)
+ out << " -> " << candidate;
+ if ( newest != "none" && candidate != newest)
+ out << " | " << newest;
+ out << " > ( " << string(Pkg.Section()==0?"none":Pkg.Section()) << " )";
+ return out;
+}
+ /*}}}*/
+// PkgIterator::FullName - Returns Name and (maybe) Architecture /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns a name:arch string */
+std::string pkgCache::PkgIterator::FullName(bool const &Pretty) const
+{
+ string fullname = Name();
+ if (Pretty == false ||
+ (strcmp(Arch(), "all") != 0 &&
+ strcmp(Owner->NativeArch(), Arch()) != 0))
+ return fullname.append(":").append(Arch());
+ return fullname;
+}
+ /*}}}*/
// DepIterator::IsCritical - Returns true if the dep is important /*{{{*/
// ---------------------------------------------------------------------
/* Currently critical deps are defined as depends, predepends and
- conflicts. */
-bool pkgCache::DepIterator::IsCritical()
+ conflicts (including dpkg's Breaks fields). */
+bool pkgCache::DepIterator::IsCritical() const
{
- if (Dep->Type == pkgCache::Dep::Conflicts ||
- Dep->Type == pkgCache::Dep::Depends ||
- Dep->Type == pkgCache::Dep::PreDepends)
+ if (IsNegative() == true ||
+ S->Type == pkgCache::Dep::Depends ||
+ S->Type == pkgCache::Dep::PreDepends)
return true;
return false;
}
/*}}}*/
+// DepIterator::IsNegative - Returns true if the dep is a negative one /*{{{*/
+// ---------------------------------------------------------------------
+/* Some dependencies are positive like Depends and Recommends, others
+ are negative like Conflicts which can and should be handled differently */
+bool pkgCache::DepIterator::IsNegative() const
+{
+ return S->Type == Dep::DpkgBreaks ||
+ S->Type == Dep::Conflicts ||
+ S->Type == Dep::Obsoletes;
+}
+ /*}}}*/
// DepIterator::SmartTargetPkg - Resolve dep target pointers w/provides /*{{{*/
// ---------------------------------------------------------------------
/* This intellegently looks at dep target packages and tries to figure
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 */
-bool pkgCache::DepIterator::SmartTargetPkg(PkgIterator &Result)
+ 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) const
{
Result = TargetPkg();
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 */
-pkgCache::Version **pkgCache::DepIterator::AllTargets()
+pkgCache::Version **pkgCache::DepIterator::AllTargets() const
{
Version **Res = 0;
unsigned long Size =0;
// 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(),S->CompareOp,TargetVer()) == false)
continue;
- if (Dep->Type == pkgCache::Dep::Conflicts &&
+ if (IsNegative() == true &&
ParentPkg() == I.ParentPkg())
continue;
// 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(),S->CompareOp,TargetVer()) == false)
continue;
- if (Dep->Type == pkgCache::Dep::Conflicts &&
+ if (IsNegative() == true &&
ParentPkg() == I.OwnerPkg())
continue;
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
End = *this;
for (bool LastOR = true; end() == false && LastOR == true;)
{
- LastOR = (Dep->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or;
+ LastOR = (S->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or;
(*this)++;
if (LastOR == true)
End = (*this);
}
}
/*}}}*/
+// ostream operator to handle string representation of a dependecy /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+std::ostream& operator<<(ostream& out, pkgCache::DepIterator D)
+{
+ if (D.end() == true)
+ return out << "invalid dependency";
+
+ pkgCache::PkgIterator P = D.ParentPkg();
+ pkgCache::PkgIterator T = D.TargetPkg();
+
+ out << (P.end() ? "invalid pkg" : P.FullName(false)) << " " << D.DepType()
+ << " on ";
+ if (T.end() == true)
+ out << "invalid pkg";
+ else
+ out << T;
+
+ if (D->Version != 0)
+ out << " (" << D.CompType() << " " << D.TargetVer() << ")";
+
+ return out;
+}
+ /*}}}*/
// VerIterator::CompareVer - Fast version compare for same pkgs /*{{{*/
// ---------------------------------------------------------------------
/* This just looks over the version list to see if B is listed before A. In
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.
{
VerFileIterator Files = FileList();
for (; Files.end() == false; Files++)
+ // Do not check ButAutomaticUpgrades here as it is kind of automatic…
if ((Files.File()->Flags & pkgCache::Flag::NotAutomatic) != pkgCache::Flag::NotAutomatic)
return true;
return false;
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() const
+{
+ 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();
+ }
+ }
+ if (S->ParentPkg != 0)
+ Res.append(" [").append(Arch()).append("]");
+ 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
if (stat(FileName(),&Buf) != 0)
return false;
- if (Buf.st_size != (signed)File->Size || Buf.st_mtime != File->mtime)
+ if (Buf.st_size != (signed)S->Size || Buf.st_mtime != S->mtime)
return false;
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 (Codename() != 0)
+ Res = Res + (Res.empty() == true?"n=":",n=") + Codename();
+ if (Label() != 0)
+ Res = Res + (Res.empty() == true?"l=":",l=") + Label();
+ if (Component() != 0)
+ Res = Res + (Res.empty() == true?"c=":",c=") + Component();
+ if (Architecture() != 0)
+ Res = Res + (Res.empty() == true?"b=":",b=") + Architecture();
+ return Res;
+}
+ /*}}}*/
+// VerIterator::TranslatedDescription - Return the a DescIter for locale/*{{{*/
+// ---------------------------------------------------------------------
+/* return a DescIter for the current locale or the default if none is
+ * found
+ */
+pkgCache::DescIterator pkgCache::VerIterator::TranslatedDescription() const
+{
+ std::vector<string> const lang = APT::Configuration::getLanguages();
+ for (std::vector<string>::const_iterator l = lang.begin();
+ l != lang.end(); l++)
+ {
+ pkgCache::DescIterator Desc = DescriptionList();
+ for (; Desc.end() == false; ++Desc)
+ if (*l == Desc.LanguageCode() ||
+ (*l == "en" && strcmp(Desc.LanguageCode(),"") == 0))
+ break;
+ if (Desc.end() == true)
+ continue;
+ return Desc;
+ }
+ for (pkgCache::DescIterator Desc = DescriptionList();
+ Desc.end() == false; ++Desc)
+ if (strcmp(Desc.LanguageCode(), "") == 0)
+ return Desc;
+ return DescriptionList();
+};
+
+ /*}}}*/
projects / apt.git / blobdiff