diff options
Diffstat (limited to 'apt-pkg/pkgcachegen.cc')
| -rw-r--r-- | apt-pkg/pkgcachegen.cc | 108 |
1 files changed, 103 insertions, 5 deletions
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index d3d5d1547..634179bdd 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: pkgcachegen.cc,v 1.3 1998/07/04 22:32:13 jgg Exp $ +// $Id: pkgcachegen.cc,v 1.4 1998/07/05 05:33:56 jgg Exp $ /* ###################################################################### Package Cache Generator - Generator for the cache structure. @@ -68,9 +68,6 @@ bool pkgCacheGenerator::MergeList(ListParser &List) { if (NewPackage(Pkg,Package) == false) return false; - - if (List.NewPackage(Pkg) == false) - return false; } /* Get a pointer to the version structure. We know the list is sorted @@ -156,6 +153,18 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,string Name) bool pkgCacheGenerator::NewFileVer(pkgCache::VerIterator &Ver, ListParser &List) { + // Get a structure + unsigned long VerFile = Map.Allocate(sizeof(pkgCache::VerFile)); + if (VerFile == 0) + return 0; + + pkgCache::VerFileIterator VF(Cache,Cache.VerFileP + VerFile); + VF->File = CurrentFile - Cache.PkgFileP; + VF->NextFile = Ver->FileList; + Ver->FileList = VF.Index(); + VF->Offset = List.Offset(); + VF->Size = List.Size(); + return true; } /*}}}*/ @@ -173,7 +182,6 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, // Fill it in Ver = pkgCache::VerIterator(Cache,Cache.VerP + Version); - Ver->File = CurrentFile - Cache.PkgFileP; Ver->NextVer = Next; Ver->ID = Cache.HeaderP->VersionCount++; Ver->VerStr = Map.WriteString(VerStr); @@ -183,6 +191,96 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, return Version; } /*}}}*/ +// ListParser::NewDepends - Create a dependency element /*{{{*/ +// --------------------------------------------------------------------- +/* This creates a dependency element in the tree. It is linked to the + version and to the package that it is pointing to. */ +bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator Ver, + string Package,string Version, + unsigned int Op, + unsigned int Type) +{ + pkgCache &Cache = Owner->Cache; + + // Get a structure + unsigned long Dependency = Owner->Map.Allocate(sizeof(pkgCache::Dependency)); + if (Dependency == 0) + return false; + + // Fill it in + pkgCache::DepIterator Dep(Cache,Cache.DepP + Dependency); + Dep->ParentVer = Ver.Index(); + Dep->Type = Type; + Dep->CompareOp = Op; + Dep->ID = Cache.HeaderP->DependsCount++; + + // Locate the target package + pkgCache::PkgIterator Pkg = Cache.FindPkg(Package); + if (Pkg.end() == true) + if (Owner->NewPackage(Pkg,Package) == false) + return false; + + // Probe the reverse dependency list for a version string that matches + if (Version.empty() == false) + { + for (pkgCache::DepIterator I = Pkg.RevDependsList(); I.end() == false; I++) + if (I->Version != 0 && I.TargetVer() == Version) + Dep->Version = I->Version; + if (Dep->Version == 0) + if ((Dep->Version = WriteString(Version)) == 0) + return false; + } + + // Link it to the package + Dep->Package = Pkg.Index(); + Dep->NextRevDepends = Pkg->RevDepends; + Pkg->RevDepends = Dep.Index(); + + // Link it to the version (at the end of the list) + unsigned long *Last = &Ver->DependsList; + for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) + Last = &D->NextDepends; + Dep->NextDepends = *Last; + *Last = Dep.Index(); + + return true; +} + /*}}}*/ +// ListParser::NewProvides - Create a Provides element /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator Ver, + string Package,string Version) +{ + pkgCache &Cache = Owner->Cache; + + // Get a structure + unsigned long Provides = Owner->Map.Allocate(sizeof(pkgCache::Provides)); + if (Provides == 0) + return false; + + // Fill it in + pkgCache::PrvIterator Prv(Cache,Cache.ProvideP + Provides,Cache.PkgP); + Prv->Version = Ver.Index(); + Prv->NextPkgProv = Ver->ProvidesList; + Ver->ProvidesList = Prv.Index(); + if (Version.empty() == false && (Prv->Version = WriteString(Version)) == 0) + return false; + + // Locate the target package + pkgCache::PkgIterator Pkg = Cache.FindPkg(Package); + if (Pkg.end() == true) + if (Owner->NewPackage(Pkg,Package) == false) + return false; + + // Link it to the package + Prv->ParentPkg = Pkg.Index(); + Prv->NextProvides = Pkg->ProvidesList; + Pkg->ProvidesList = Prv.Index(); + + return true; +} + /*}}}*/ // CacheGenerator::SelectFile - Select the current file being parsed /*{{{*/ // --------------------------------------------------------------------- /* This is used to select which file is to be associated with all newly |