X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6aeda9fa854fce99ecda5331e69b782b711bed74..ff2a211aec45ac8c63ad60d75714da78d77ef69b:/apt-pkg/policy.cc?ds=sidebyside diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc index e813a0903..228d858a9 100644 --- a/apt-pkg/policy.cc +++ b/apt-pkg/policy.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: policy.cc,v 1.3 2001/03/03 23:27:24 jgg Exp $ +// $Id: policy.cc,v 1.9 2002/11/06 06:43:14 jgg Exp $ /* ###################################################################### Package Version Policy implementation @@ -34,8 +34,12 @@ #include #include + +#include /*}}}*/ +using namespace std; + // Policy::Init - Startup and bind to a cache /*{{{*/ // --------------------------------------------------------------------- /* Set the defaults for operation. The default mode with no loaded policy @@ -73,7 +77,7 @@ bool pkgPolicy::InitDefaults() } // Apply the defaults.. - SPtr Fixed = new bool[Cache->HeaderP->PackageFileCount]; + SPtrArray Fixed = new bool[Cache->HeaderP->PackageFileCount]; memset(Fixed,0,sizeof(*Fixed)*Cache->HeaderP->PackageFileCount); signed Cur = 989; StatusOverride = false; @@ -83,10 +87,6 @@ bool pkgPolicy::InitDefaults() pkgVersionMatch Match(I->Data,I->Type); for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); F++) { -/* hmm? - if ((F->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) - continue;*/ - if (Match.FileMatch(F) == true && Fixed[F->ID] == false) { if (I->Priority != 0 && I->Priority > 0) @@ -118,20 +118,10 @@ bool pkgPolicy::InitDefaults() best package is. */ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) { - const Pin &PPkg = Pins[Pkg->ID]; - // Look for a package pin and evaluate it. - signed Max = 0; - pkgCache::VerIterator Pref(*Cache); - if (PPkg.Type != pkgVersionMatch::None) - { - pkgVersionMatch Match(PPkg.Data,PPkg.Type); - Pref = Match.Find(Pkg); - Max = PPkg.Priority; - if (PPkg.Priority == 0) - Max = 989; - } - + signed Max = GetPriority(Pkg); + pkgCache::VerIterator Pref = GetMatch(Pkg); + /* Falling through to the default version.. Setting Max to zero effectively excludes everything <= 0 which are the non-automatic priorities.. The status file is given a prio of 100 which will exclude @@ -145,12 +135,7 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) pin that stays at that setting. */ for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; Ver++) - { - /* This is a side effect of the condition below, and is added for - completeness, though it should not be necessary */ - if (Ver->Arch == 0) - continue; - + { for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++) { /* If this is the status file, and the current version is not the @@ -183,7 +168,6 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) break; } } - return Pref; } /*}}}*/ @@ -196,24 +180,24 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name, string Data,signed short Priority) { - pkgCache::PkgIterator Pkg = Cache->FindPkg(Name); Pin *P = 0; if (Name.empty() == true) - P = Defaults.insert(Defaults.end()); + P = &*Defaults.insert(Defaults.end(),PkgPin()); else { // Get a spot to put the pin + pkgCache::PkgIterator Pkg = Cache->FindPkg(Name); if (Pkg.end() == true) { // Check the unmatched table for (vector::iterator I = Unmatched.begin(); I != Unmatched.end() && P == 0; I++) if (I->Pkg == Name) - P = I; + P = &*I; if (P == 0) - P = Unmatched.insert(Unmatched.end()); + P = &*Unmatched.insert(Unmatched.end(),PkgPin()); } else { @@ -227,6 +211,36 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name, P->Data = Data; } /*}}}*/ +// Policy::GetMatch - Get the matching version for a package pin /*{{{*/ +// --------------------------------------------------------------------- +/* */ +pkgCache::VerIterator pkgPolicy::GetMatch(pkgCache::PkgIterator Pkg) +{ + const Pin &PPkg = Pins[Pkg->ID]; + if (PPkg.Type != pkgVersionMatch::None) + { + pkgVersionMatch Match(PPkg.Data,PPkg.Type); + return Match.Find(Pkg); + } + return pkgCache::VerIterator(*Pkg.Cache()); +} + /*}}}*/ +// Policy::GetPriority - Get the priority of the package pin /*{{{*/ +// --------------------------------------------------------------------- +/* */ +signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg) +{ + if (Pins[Pkg->ID].Type != pkgVersionMatch::None) + { + // In this case 0 means default priority + if (Pins[Pkg->ID].Priority == 0) + return 989; + return Pins[Pkg->ID].Priority; + } + + return 0; +} + /*}}}*/ // ReadPinFile - Load the pin file into a Policy /*{{{*/ // ---------------------------------------------------------------------