X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/27da8141d21cfbfc29675510737ee05bdfd4a2b1..05f64ca2e483709faa6bc69dfa79129d2d4c679e:/apt-pkg/depcache.h?ds=sidebyside diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h index 7358048ed..20d263c67 100644 --- a/apt-pkg/depcache.h +++ b/apt-pkg/depcache.h @@ -15,7 +15,7 @@ This structure is important to support the readonly status of the cache file. When the data is saved the cache will be refereshed from our - internal rep and written to disk. Then the actual persistant data + internal rep and written to disk. Then the actual persistent data files will be put on the disk. Each dependency is compared against 3 target versions to produce to @@ -40,18 +40,27 @@ #include <apt-pkg/configuration.h> #include <apt-pkg/pkgcache.h> +#include <apt-pkg/cacheiterators.h> +#include <apt-pkg/macros.h> + +#include <stddef.h> -#include <vector> #include <memory> -#include <set> #include <list> +#include <string> +#include <utility> #ifndef APT_8_CLEANER_HEADERS #include <apt-pkg/progress.h> #include <apt-pkg/error.h> #endif +#ifndef APT_10_CLEANER_HEADERS +#include <set> +#include <vector> +#endif class OpProgress; +class pkgVersioningSystem; class pkgDepCache : protected pkgCache::Namespace { @@ -61,7 +70,7 @@ class pkgDepCache : protected pkgCache::Namespace class InRootSetFunc { public: - virtual bool InRootSet(const pkgCache::PkgIterator &pkg) {return false;}; + virtual bool InRootSet(const pkgCache::PkgIterator &/*pkg*/) {return false;}; virtual ~InRootSetFunc() {}; }; @@ -82,7 +91,7 @@ class pkgDepCache : protected pkgCache::Namespace * \param follow_suggests If \b true, suggestions of the package * will be recursively marked. */ - void MarkPackage(const pkgCache::PkgIterator &pkg, + APT_HIDDEN void MarkPackage(const pkgCache::PkgIterator &pkg, const pkgCache::VerIterator &ver, bool const &follow_recommends, bool const &follow_suggests); @@ -128,7 +137,7 @@ class pkgDepCache : protected pkgCache::Namespace enum InternalFlags {AutoKept = (1 << 0), Purge = (1 << 1), ReInstall = (1 << 2), Protected = (1 << 3)}; enum VersionTypes {NowVersion, InstallVersion, CandidateVersion}; - enum ModeList {ModeDelete = 0, ModeKeep = 1, ModeInstall = 2}; + enum ModeList {ModeDelete = 0, ModeKeep = 1, ModeInstall = 2, ModeGarbage = 3}; /** \brief Represents an active action group. * @@ -160,7 +169,7 @@ class pkgDepCache : protected pkgCache::Namespace bool released; /** Action groups are noncopyable. */ - ActionGroup(const ActionGroup &other); + APT_HIDDEN ActionGroup(const ActionGroup &other); public: /** \brief Create a new ActionGroup. * @@ -231,7 +240,7 @@ class pkgDepCache : protected pkgCache::Namespace unsigned char DepState; // DepState Flags // Update of candidate version - const char *StripEpoch(const char *Ver); + const char *StripEpoch(const char *Ver) APT_PURE; void Update(PkgIterator Pkg,pkgCache &Cache); // Various test members for the current status of the package @@ -381,25 +390,14 @@ class pkgDepCache : protected pkgCache::Namespace /** \brief Update the Marked and Garbage fields of all packages. * * This routine is implicitly invoked after all state manipulators - * and when an ActionGroup is destroyed. It invokes #MarkRequired - * and #Sweep to do its dirty work. + * and when an ActionGroup is destroyed. It invokes the private + * MarkRequired() and Sweep() to do its dirty work. * * \param rootFunc A predicate that returns \b true for packages * that should be added to the root set. */ - bool MarkAndSweep(InRootSetFunc &rootFunc) - { - return MarkRequired(rootFunc) && Sweep(); - } - - bool MarkAndSweep() - { - std::auto_ptr<InRootSetFunc> f(GetRootSetFunc()); - if(f.get() != NULL) - return MarkAndSweep(*f.get()); - else - return false; - } + bool MarkAndSweep(InRootSetFunc &rootFunc); + bool MarkAndSweep(); /** \name State Manipulators */ @@ -442,16 +440,15 @@ class pkgDepCache : protected pkgCache::Namespace /** \return \b true if it's OK for MarkInstall to install * the given package. * - * See the default implementation for a simple example how this - * method can be used. - * Overriding implementations should use the hold-state-flag to cache - * results from previous checks of this package - also it should - * be used if the default resolver implementation is also used to - * ensure that these packages are handled like "normal" dpkg holds. + * The default implementation simply calls all IsInstallOk* + * method mentioned below. + * + * Overriding implementations should use the hold-state-flag to + * cache results from previous checks of this package - if possible. * * The parameters are the same as in the calling MarkInstall: * \param Pkg the package that MarkInstall wants to install. - * \param AutoInst needs a previous MarkInstall this package? + * \param AutoInst install this and all its dependencies * \param Depth recursive deep of this Marker call * \param FromUser was the install requested by the user? */ @@ -461,16 +458,12 @@ class pkgDepCache : protected pkgCache::Namespace /** \return \b true if it's OK for MarkDelete to remove * the given package. * - * See the default implementation for a simple example how this - * method can be used. - * Overriding implementations should use the hold-state-flag to cache - * results from previous checks of this package - also it should - * be used if the default resolver implementation is also used to - * ensure that these packages are handled like "normal" dpkg holds. + * The default implementation simply calls all IsDeleteOk* + * method mentioned below, see also #IsInstallOk. * * The parameters are the same as in the calling MarkDelete: * \param Pkg the package that MarkDelete wants to remove. - * \param Purge should we purge instead of "only" remove? + * \param MarkPurge should we purge instead of "only" remove? * \param Depth recursive deep of this Marker call * \param FromUser was the remove requested by the user? */ @@ -498,8 +491,19 @@ class pkgDepCache : protected pkgCache::Namespace pkgDepCache(pkgCache *Cache,Policy *Plcy = 0); virtual ~pkgDepCache(); + protected: + // methods call by IsInstallOk + bool IsInstallOkMultiArchSameVersionSynced(PkgIterator const &Pkg, + bool const AutoInst, unsigned long const Depth, bool const FromUser); + bool IsInstallOkDependenciesSatisfiableByCandidates(PkgIterator const &Pkg, + bool const AutoInst, unsigned long const Depth, bool const FromUser); + + // methods call by IsDeleteOk + bool IsDeleteOkProtectInstallRequests(PkgIterator const &Pkg, + bool const rPurge, unsigned long const Depth, bool const FromUser); + private: - bool IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg, + APT_HIDDEN bool IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg, unsigned long const Depth, bool const FromUser); };