+ virtual bool PackageFrom(enum PkgSelector const select, PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern);
+
+ virtual bool PackageFromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline);
+
+ struct PkgModifier {
+ enum Position { NONE, PREFIX, POSTFIX };
+ unsigned short ID;
+ const char * const Alias;
+ Position Pos;
+ PkgModifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {}
+ };
+ virtual bool PackageFromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
+ pkgCacheFile &Cache, const char * cmdline,
+ std::list<PkgModifier> const &mods);
+
+ // use PackageFrom(PACKAGENAME, …) instead
+ APT_DEPRECATED pkgCache::PkgIterator PackageFromName(pkgCacheFile &Cache, std::string const &pattern);
+
+ /** \brief be notified about the package being selected via pattern
+ *
+ * Main use is probably to show a message to the user what happened
+ *
+ * \param pkg is the package which was selected
+ * \param select is the selection method which choose the package
+ * \param pattern is the string used by the selection method to pick the package
+ */
+ virtual void showPackageSelection(pkgCache::PkgIterator const &pkg, PkgSelector const select, std::string const &pattern);
+ // use the method above instead, react only on the type you need and let the base handle the rest if need be
+ // this allows use to add new selection methods without breaking the ABI constantly with new virtual methods
+ APT_DEPRECATED virtual void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ APT_DEPRECATED virtual void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ APT_DEPRECATED virtual void showFnmatchSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+
+ /** \brief be notified if a package can't be found via pattern
+ *
+ * Can be used to show a message as well as to try something else to make it match
+ *
+ * \param select is the method tried for selection
+ * \param pci is the container the package should be inserted in
+ * \param Cache is the package universe available
+ * \param pattern is the string not matching anything
+ */
+ virtual void canNotFindPackage(enum PkgSelector const select, PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern);
+ // same as above for showPackageSelection
+ APT_DEPRECATED virtual void canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ APT_DEPRECATED virtual void canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ APT_DEPRECATED virtual void canNotFindFnmatch(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ APT_DEPRECATED virtual void canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str);
+
+ /** \brief specifies which version(s) we want to refer to */
+ enum VerSelector {
+ /** by release string */
+ RELEASE,
+ /** by version number string */
+ VERSIONNUMBER,
+ /** All versions */
+ ALL,
+ /** Candidate and installed version */
+ CANDANDINST,
+ /** Candidate version */
+ CANDIDATE,
+ /** Installed version */
+ INSTALLED,
+ /** Candidate or if non installed version */
+ CANDINST,
+ /** Installed or if non candidate version */
+ INSTCAND,
+ /** Newest version */
+ NEWEST
+ };
+
+ /** \brief be notified about the version being selected via pattern
+ *
+ * Main use is probably to show a message to the user what happened
+ * Note that at the moment this method is only called for RELEASE
+ * and VERSION selections, not for the others.
+ *
+ * \param Pkg is the package which was selected for
+ * \param Ver is the version selected
+ * \param select is the selection method which choose the version
+ * \param pattern is the string used by the selection method to pick the version
+ */
+ virtual void showVersionSelection(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const &Ver,
+ enum VerSelector const select, std::string const &pattern);
+ // renamed to have a similar interface to showPackageSelection
+ APT_DEPRECATED virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver,
+ std::string const &ver, bool const verIsRel);
+
+ /** \brief be notified if a version can't be found for a package
+ *
+ * Main use is probably to show a message to the user what happened
+ *
+ * \param select is the method tried for selection
+ * \param vci is the container the version should be inserted in
+ * \param Cache is the package universe available
+ * \param Pkg is the package we wanted a version from
+ */
+ virtual void canNotFindVersion(enum VerSelector const select, VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ // same as above for showPackageSelection
+ APT_DEPRECATED virtual void canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ APT_DEPRECATED virtual void canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
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