X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/7e798dd739883c1f47216578ba8df34dced24777..b1a8717ae8e07101cfae03b978d57b793884a3d9:/apt-pkg/algorithms.h diff --git a/apt-pkg/algorithms.h b/apt-pkg/algorithms.h index bd0a1f7bd..b95218061 100644 --- a/apt-pkg/algorithms.h +++ b/apt-pkg/algorithms.h @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: algorithms.h,v 1.5 1998/10/08 04:54:59 jgg Exp $ +// $Id: algorithms.h,v 1.10 2001/05/22 04:17:41 jgg Exp $ /* ###################################################################### Algorithms - A set of misc algorithms @@ -27,7 +27,6 @@ ##################################################################### */ /*}}}*/ -// Header section: pkglib #ifndef PKGLIB_ALGORITHMS_H #define PKGLIB_ALGORITHMS_H @@ -38,23 +37,44 @@ #include #include +#include + +using std::ostream; + class pkgSimulate : public pkgPackageManager { protected: + class Policy : public pkgDepCache::Policy + { + pkgDepCache *Cache; + public: + + virtual VerIterator GetCandidateVer(PkgIterator Pkg) + { + return (*Cache)[Pkg].CandidateVerIter(*Cache); + } + + Policy(pkgDepCache *Cache) : Cache(Cache) {}; + }; + unsigned char *Flags; + Policy iPolicy; pkgDepCache Sim; // The Actuall installation implementation virtual bool Install(PkgIterator Pkg,string File); virtual bool Configure(PkgIterator Pkg); - virtual bool Remove(PkgIterator Pkg); + virtual bool Remove(PkgIterator Pkg,bool Purge); + +private: void ShortBreaks(); + void Describe(PkgIterator iPkg,ostream &out,bool Current,bool Candidate); public: - pkgSimulate(pkgDepCache &Cache); + pkgSimulate(pkgDepCache *Cache); }; class pkgProblemResolver @@ -68,7 +88,8 @@ class pkgProblemResolver typedef pkgCache::Package Package; enum Flags {Protected = (1 << 0), PreInstalled = (1 << 1), - Upgradable = (1 << 2), ReInstateTried = (1 << 3)}; + Upgradable = (1 << 2), ReInstateTried = (1 << 3), + ToRemove = (1 << 4)}; signed short *Scores; unsigned char *Flags; bool Debug; @@ -89,14 +110,20 @@ class pkgProblemResolver public: inline void Protect(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] |= Protected;}; - + inline void Remove(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] |= ToRemove;}; + inline void Clear(pkgCache::PkgIterator Pkg) {Flags[Pkg->ID] &= ~(Protected | ToRemove);}; + // Try to intelligently resolve problems by installing and removing packages bool Resolve(bool BrokenFix = false); - + // Try to resolve problems only by using keep bool ResolveByKeep(); - - pkgProblemResolver(pkgDepCache &Cache); + + // Install all protected packages + void InstallProtect(); + + pkgProblemResolver(pkgDepCache *Cache); + ~pkgProblemResolver(); }; bool pkgDistUpgrade(pkgDepCache &Cache); @@ -105,4 +132,6 @@ bool pkgFixBroken(pkgDepCache &Cache); bool pkgAllUpgrade(pkgDepCache &Cache); bool pkgMinimizeUpgrade(pkgDepCache &Cache); +void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List); + #endif