+ CacheSetHelper(bool const ShowError = true,
+ GlobalError::MsgType ErrorType = GlobalError::ERROR);
+ virtual ~CacheSetHelper();
+
+ enum PkgSelector { UNKNOWN, REGEX, TASK, FNMATCH, PACKAGENAME, STRING };
+
+ 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);
+
+ APT_DEPRECATED_MSG("use .PackageFrom(PACKAGENAME, …) instead") 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 us to add new selection methods without breaking the ABI constantly with new virtual methods
+ APT_DEPRECATED_MSG("override .showPackageSelection and select with switch") virtual void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ APT_DEPRECATED_MSG("override .showPackageSelection and select with switch") virtual void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ APT_DEPRECATED_MSG("override .showPackageSelection and select with switch") 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_MSG("override .canNotFindPackage and select with switch") virtual void canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ APT_DEPRECATED_MSG("override .canNotFindPackage and select with switch") virtual void canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ APT_DEPRECATED_MSG("override .canNotFindPackage and select with switch") virtual void canNotFindFnmatch(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ APT_DEPRECATED_MSG("override .canNotFindPackage and select with switch") 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);
+ APT_DEPRECATED_MSG("use .showVersionSelection instead, similar to .showPackageSelection") 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);
+ APT_DEPRECATED_MSG("override .canNotFindVersion and select via switch") virtual void canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ APT_DEPRECATED_MSG("override .canNotFindVersion and select via switch") virtual void canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ APT_DEPRECATED_MSG("override .canNotFindVersion and select via switch") virtual void canNotFindCandInstVer(VersionContainerInterface * const vci,
+ pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+
+ // the difference between canNotFind and canNotGet is that the later is more low-level
+ // and called from other places: In this case looking into the code is the only real answer…
+ virtual pkgCache::VerIterator canNotGetVersion(enum VerSelector const select, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+
+ virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str);
+
+ bool showErrors() const { return ShowError; }
+ bool showErrors(bool const newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); }
+ GlobalError::MsgType errorType() const { return ErrorType; }
+ GlobalError::MsgType errorType(GlobalError::MsgType const &newValue)
+ {
+ if (ErrorType == newValue) return ErrorType;
+ else {
+ GlobalError::MsgType const &oldValue = ErrorType;
+ ErrorType = newValue;
+ return oldValue;
+ }
+ }
+
+ /*}}}*/
+protected:
+ bool ShowError;
+ GlobalError::MsgType ErrorType;
+
+ pkgCache::VerIterator canNotGetInstCandVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ pkgCache::VerIterator canNotGetCandInstVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+
+ bool PackageFromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ bool PackageFromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ bool PackageFromFnmatch(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ bool PackageFromPackageName(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ bool PackageFromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern);
+private:
+ void * const d;
+}; /*}}}*/
+// Iterator templates for our Containers /*{{{*/
+template<typename Interface, typename Master, typename iterator_type, typename container_iterator, typename container_value> class Container_iterator_base :
+ public std::iterator<typename std::iterator_traits<container_iterator>::iterator_category, container_value>,
+ public Interface::template iterator_base<iterator_type>
+{
+protected:
+ container_iterator _iter;
+public:
+ explicit Container_iterator_base(container_iterator i) : _iter(i) {}
+ inline container_value operator*(void) const { return static_cast<iterator_type const*>(this)->getType(); };
+ operator container_iterator(void) const { return _iter; }
+ inline iterator_type& operator++() { ++_iter; return static_cast<iterator_type&>(*this); }
+ inline iterator_type operator++(int) { iterator_type tmp(*this); operator++(); return tmp; }
+ inline iterator_type operator+(typename container_iterator::difference_type const &n) { return iterator_type(_iter + n); }
+ inline iterator_type operator+=(typename container_iterator::difference_type const &n) { _iter += n; return static_cast<iterator_type&>(*this); }
+ inline iterator_type& operator--() { --_iter;; return static_cast<iterator_type&>(*this); }
+ inline iterator_type operator--(int) { iterator_type tmp(*this); operator--(); return tmp; }
+ inline iterator_type operator-(typename container_iterator::difference_type const &n) { return iterator_type(_iter - n); }
+ inline typename container_iterator::difference_type operator-(iterator_type const &b) { return (_iter - b._iter); }
+ inline iterator_type operator-=(typename container_iterator::difference_type const &n) { _iter -= n; return static_cast<iterator_type&>(*this); }
+ inline bool operator!=(iterator_type const &i) const { return _iter != i._iter; }
+ inline bool operator==(iterator_type const &i) const { return _iter == i._iter; }
+ inline bool operator<(iterator_type const &i) const { return _iter < i._iter; }
+ inline bool operator>(iterator_type const &i) const { return _iter > i._iter; }
+ inline bool operator<=(iterator_type const &i) const { return _iter <= i._iter; }
+ inline bool operator>=(iterator_type const &i) const { return _iter >= i._iter; }
+ inline typename container_iterator::reference operator[](typename container_iterator::difference_type const &n) const { return _iter[n]; }
+
+ friend std::ostream& operator<<(std::ostream& out, iterator_type i) { return operator<<(out, *i); }
+ friend Master;
+};
+template<class Interface, class Container, class Master> class Container_const_iterator :
+ public Container_iterator_base<Interface, Master, Container_const_iterator<Interface, Container, Master>, typename Container::const_iterator, typename Container::value_type>
+{
+ typedef Container_const_iterator<Interface, Container, Master> iterator_type;
+ typedef typename Container::const_iterator container_iterator;
+public:
+ explicit Container_const_iterator(container_iterator i) :
+ Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}
+
+ inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+template<class Interface, class Container, class Master> class Container_iterator :
+ public Container_iterator_base<Interface, Master, Container_iterator<Interface, Container, Master>, typename Container::iterator, typename Container::value_type>
+{
+ typedef Container_iterator<Interface, Container, Master> iterator_type;
+ typedef typename Container::iterator container_iterator;
+public:
+ explicit Container_iterator(container_iterator i) :
+ Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}
+
+ operator typename Master::const_iterator() { return typename Master::const_iterator(this->_iter); }
+ inline iterator_type& operator=(iterator_type const &i) { this->_iter = i._iter; return static_cast<iterator_type&>(*this); }
+ inline iterator_type& operator=(container_iterator const &i) { this->_iter = i; return static_cast<iterator_type&>(*this); }
+ inline typename Container::iterator::reference operator*(void) const { return *this->_iter; }
+
+ inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+template<class Interface, class Container, class Master> class Container_const_reverse_iterator :
+ public Container_iterator_base<Interface, Master, Container_const_reverse_iterator<Interface, Container, Master>, typename Container::const_reverse_iterator, typename Container::value_type>
+{
+ typedef Container_const_reverse_iterator<Interface, Container, Master> iterator_type;
+ typedef typename Container::const_reverse_iterator container_iterator;
+public:
+ explicit Container_const_reverse_iterator(container_iterator i) :
+ Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}
+
+ inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+template<class Interface, class Container, class Master> class Container_reverse_iterator :
+ public Container_iterator_base<Interface, Master, Container_reverse_iterator<Interface, Container, Master>, typename Container::reverse_iterator, typename Container::value_type>
+{
+ typedef Container_reverse_iterator<Interface, Container, Master> iterator_type;
+ typedef typename Container::reverse_iterator container_iterator;
+public:
+ explicit Container_reverse_iterator(container_iterator i) :
+ Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}
+
+ operator typename Master::const_iterator() { return typename Master::const_iterator(this->_iter); }
+ inline iterator_type& operator=(iterator_type const &i) { this->_iter = i._iter; return static_cast<iterator_type&>(*this); }
+ inline iterator_type& operator=(container_iterator const &i) { this->_iter = i; return static_cast<iterator_type&>(*this); }
+ inline typename Container::reverse_iterator::reference operator*(void) const { return *this->_iter; }
+
+ inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+ /*}}}*/
+class PackageContainerInterface { /*{{{*/
+/** \class PackageContainerInterface
+
+ * Interface ensuring that all operations can be executed on the yet to
+ * define concrete PackageContainer - access to all methods is possible,
+ * but in general the wrappers provided by the PackageContainer template
+ * are nicer to use.
+
+ * This class mostly protects use from the need to write all implementation
+ * of the methods working on containers in the template */
+public:
+ template<class Itr> class iterator_base { /*{{{*/
+ pkgCache::PkgIterator getType() const { return static_cast<Itr const*>(this)->getType(); };