X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b829fb2602a506a01cb2b3fd371e975784d4377c..bd4a8f51649ee37291c6e07310104a94f4f5fbed:/apt-pkg/cacheset.h

diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h
index 6f0a0e358..790eee6dc 100644
--- a/apt-pkg/cacheset.h
+++ b/apt-pkg/cacheset.h
@@ -9,20 +9,33 @@
 #ifndef APT_CACHESET_H
 #define APT_CACHESET_H
 // Include Files							/*{{{*/
-#include <iostream>
 #include <fstream>
-#include <list>
 #include <map>
 #include <set>
+#if __cplusplus >= 201103L
+#include <unordered_set>
+#include <forward_list>
+#include <initializer_list>
+#endif
 #include <list>
+#include <deque>
+#include <vector>
 #include <string>
 #include <iterator>
+#include <algorithm>
+
+#include <stddef.h>
 
 #include <apt-pkg/error.h>
 #include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/macros.h>
 
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/cachefile.h>
+#endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <iostream>
 #endif
 									/*}}}*/
 
@@ -43,37 +56,129 @@ class CacheSetHelper {							/*{{{*/
 */
 public:									/*{{{*/
 	CacheSetHelper(bool const ShowError = true,
-		GlobalError::MsgType ErrorType = GlobalError::ERROR) :
-			ShowError(ShowError), ErrorType(ErrorType) {};
-	virtual ~CacheSetHelper() {};
+		GlobalError::MsgType ErrorType = GlobalError::ERROR);
+	virtual ~CacheSetHelper();
 
-	virtual void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
-	virtual void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
-	virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver,
-				 std::string const &ver, bool const verIsRel);
+	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 void canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
-	virtual void canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
-	virtual void canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str);
+	virtual bool PackageFromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline);
 
-	virtual void canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
-	virtual void canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+	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);
-	virtual void canNotFindCandInstVer(VersionContainerInterface * const vci,
+	APT_DEPRECATED_MSG("override .canNotFindVersion and select via switch") virtual void canNotFindCandInstVer(VersionContainerInterface * const vci,
 				pkgCacheFile &Cache,
 				pkgCache::PkgIterator const &Pkg);
 
-	virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str);
-	virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache,
+	// 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);
-	virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache,
+	APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache,
 				pkgCache::PkgIterator const &Pkg);
-	virtual pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache,
+	APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache,
 				pkgCache::PkgIterator const &Pkg);
 
-	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; };
+	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;
@@ -82,13 +187,112 @@ public:									/*{{{*/
 			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
 
@@ -100,59 +304,85 @@ class PackageContainerInterface {					/*{{{*/
  * This class mostly protects use from the need to write all implementation
  * of the methods working on containers in the template */
 public:
-	class const_iterator {						/*{{{*/
+	template<class Itr> class iterator_base {			/*{{{*/
+		pkgCache::PkgIterator getType() const { return static_cast<Itr const*>(this)->getType(); };
 	public:
-		virtual pkgCache::PkgIterator getPkg() const = 0;
-		operator pkgCache::PkgIterator(void) const { return getPkg(); }
-
-		inline const char *Name() const {return getPkg().Name(); }
-		inline std::string FullName(bool const Pretty) const { return getPkg().FullName(Pretty); }
-		inline std::string FullName() const { return getPkg().FullName(); }
-		inline const char *Section() const {return getPkg().Section(); }
-		inline bool Purge() const {return getPkg().Purge(); }
-		inline const char *Arch() const {return getPkg().Arch(); }
-		inline pkgCache::GrpIterator Group() const { return getPkg().Group(); }
-		inline pkgCache::VerIterator VersionList() const { return getPkg().VersionList(); }
-		inline pkgCache::VerIterator CurrentVer() const { return getPkg().CurrentVer(); }
-		inline pkgCache::DepIterator RevDependsList() const { return getPkg().RevDependsList(); }
-		inline pkgCache::PrvIterator ProvidesList() const { return getPkg().ProvidesList(); }
-		inline pkgCache::PkgIterator::OkState State() const { return getPkg().State(); }
-		inline const char *CandVersion() const { return getPkg().CandVersion(); }
-		inline const char *CurVersion() const { return getPkg().CurVersion(); }
-		inline pkgCache *Cache() const { return getPkg().Cache(); };
-		inline unsigned long Index() const {return getPkg().Index();};
+		operator pkgCache::PkgIterator(void) const { return getType(); }
+
+		inline const char *Name() const {return getType().Name(); }
+		inline std::string FullName(bool const Pretty) const { return getType().FullName(Pretty); }
+		inline std::string FullName() const { return getType().FullName(); }
+		APT_DEPRECATED_MSG("Use the .Section method of VerIterator instead") inline const char *Section() const {
+		   APT_IGNORE_DEPRECATED_PUSH
+		      return getType().Section();
+		   APT_IGNORE_DEPRECATED_POP
+		}
+		inline bool Purge() const {return getType().Purge(); }
+		inline const char *Arch() const {return getType().Arch(); }
+		inline pkgCache::GrpIterator Group() const { return getType().Group(); }
+		inline pkgCache::VerIterator VersionList() const { return getType().VersionList(); }
+		inline pkgCache::VerIterator CurrentVer() const { return getType().CurrentVer(); }
+		inline pkgCache::DepIterator RevDependsList() const { return getType().RevDependsList(); }
+		inline pkgCache::PrvIterator ProvidesList() const { return getType().ProvidesList(); }
+		inline pkgCache::PkgIterator::OkState State() const { return getType().State(); }
+		inline const char *CandVersion() const { return getType().CandVersion(); }
+		inline const char *CurVersion() const { return getType().CurVersion(); }
+		inline pkgCache *Cache() const { return getType().Cache(); }
+		inline unsigned long Index() const {return getType().Index();}
 		// we have only valid iterators here
-		inline bool end() const { return false; };
+		inline bool end() const { return false; }
 
-		inline pkgCache::Package const * operator->() const {return &*getPkg();};
+		inline pkgCache::Package const * operator->() const {return &*getType();}
 	};
 									/*}}}*/
 
 	virtual bool insert(pkgCache::PkgIterator const &P) = 0;
 	virtual bool empty() const = 0;
 	virtual void clear() = 0;
-
-	enum Constructor { UNKNOWN, REGEX, TASK };
-	virtual void setConstructor(Constructor const &con) = 0;
-	virtual Constructor getConstructor() const = 0;
-
-	static bool FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
-	static bool FromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
-	static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper);
-	static bool FromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper);
-	static bool FromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper);
-
-	struct Modifier {
-		enum Position { NONE, PREFIX, POSTFIX };
-		unsigned short ID;
-		const char * const Alias;
-		Position Pos;
-		Modifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {};
-	};
-
-	static bool FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
-					    pkgCacheFile &Cache, const char * cmdline,
-					    std::list<Modifier> const &mods, CacheSetHelper &helper);
+	virtual size_t size() const = 0;
+
+	enum APT_DEPRECATED_MSG("Use CacheSetHelper::PkgSelector instead") Constructor { UNKNOWN = CacheSetHelper::UNKNOWN,
+		REGEX = CacheSetHelper::REGEX,
+		TASK = CacheSetHelper::TASK,
+		FNMATCH = CacheSetHelper::FNMATCH };
+APT_IGNORE_DEPRECATED_PUSH
+	void setConstructor(Constructor const by) { ConstructedBy = (CacheSetHelper::PkgSelector)by; }
+APT_IGNORE_DEPRECATED_POP
+
+	void setConstructor(CacheSetHelper::PkgSelector const by) { ConstructedBy = by; }
+	CacheSetHelper::PkgSelector getConstructor() const { return ConstructedBy; }
+	PackageContainerInterface();
+	explicit PackageContainerInterface(CacheSetHelper::PkgSelector const by);
+	PackageContainerInterface& operator=(PackageContainerInterface const &other);
+	virtual ~PackageContainerInterface();
+
+	APT_DEPRECATED_MSG("Use helper.PackageFrom(CacheSetHelper::TASK, …) instead") static bool FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
+	   return helper.PackageFrom(CacheSetHelper::TASK, pci, Cache, pattern); }
+	APT_DEPRECATED_MSG("Use helper.PackageFrom(CacheSetHelper::REGEX, …) instead") static bool FromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
+	   return helper.PackageFrom(CacheSetHelper::REGEX, pci, Cache, pattern); }
+	APT_DEPRECATED_MSG("Use helper.PackageFrom(CacheSetHelper::FNMATCH, …) instead") static bool FromFnmatch(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
+	   return helper.PackageFrom(CacheSetHelper::FNMATCH, pci, Cache, pattern); }
+	APT_DEPRECATED_MSG("Use helper.PackageFrom(CacheSetHelper::PACKAGENAME, …) instead") static bool FromGroup(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
+	   return helper.PackageFrom(CacheSetHelper::PACKAGENAME, pci, Cache, pattern); }
+	APT_DEPRECATED_MSG("Use helper.PackageFrom(CacheSetHelper::STRING, …) instead") static bool FromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+	   return helper.PackageFrom(CacheSetHelper::STRING, pci, Cache, pattern); }
+	APT_DEPRECATED_MSG("Use helper.PackageFromCommandLine instead") static bool FromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) {
+	   return helper.PackageFromCommandLine(pci, Cache, cmdline); }
+
+	APT_DEPRECATED_MSG("enum moved to CacheSetHelper::PkgModifier") typedef CacheSetHelper::PkgModifier Modifier;
+
+APT_IGNORE_DEPRECATED_PUSH
+	APT_DEPRECATED_MSG("Use helper.PackageFromName instead") static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+	   return helper.PackageFromName(Cache, pattern); }
+	APT_DEPRECATED_MSG("Use helper.PackageFromModifierCommandLine instead") static bool FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
+	      pkgCacheFile &Cache, const char * cmdline,
+	      std::list<Modifier> const &mods, CacheSetHelper &helper) {
+	   return helper.PackageFromModifierCommandLine(modID, pci, Cache, cmdline, mods); }
+APT_IGNORE_DEPRECATED_POP
+
+private:
+	CacheSetHelper::PkgSelector ConstructedBy;
+	void * const d;
 };
 									/*}}}*/
 template<class Container> class PackageContainer : public PackageContainerInterface {/*{{{*/
@@ -164,63 +394,73 @@ template<class Container> class PackageContainer : public PackageContainerInterf
 	Container _cont;
 public:									/*{{{*/
 	/** \brief smell like a pkgCache::PkgIterator */
-	class const_iterator : public PackageContainerInterface::const_iterator,/*{{{*/
-			       public std::iterator<std::forward_iterator_tag, typename Container::const_iterator> {
-		typename Container::const_iterator _iter;
-	public:
-		const_iterator(typename Container::const_iterator i) : _iter(i) {}
-		pkgCache::PkgIterator getPkg(void) const { return *_iter; }
-		inline pkgCache::PkgIterator operator*(void) const { return *_iter; };
-		operator typename Container::const_iterator(void) const { return _iter; }
-		inline const_iterator& operator++() { ++_iter; return *this; }
-		inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(const_iterator const &i) const { return _iter == i._iter; };
-		friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
-	};
-	class iterator : public PackageContainerInterface::const_iterator,
-			 public std::iterator<std::forward_iterator_tag, typename Container::iterator> {
-		typename Container::iterator _iter;
-	public:
-		iterator(typename Container::iterator i) : _iter(i) {}
-		pkgCache::PkgIterator getPkg(void) const { return *_iter; }
-		inline pkgCache::PkgIterator operator*(void) const { return *_iter; };
-		operator typename Container::iterator(void) const { return _iter; }
-		operator typename PackageContainer<Container>::const_iterator() { return PackageContainer<Container>::const_iterator(_iter); }
-		inline iterator& operator++() { ++_iter; return *this; }
-		inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(iterator const &i) const { return _iter == i._iter; };
-		inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; };
-		inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; };
-		friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); }
-	};
-									/*}}}*/
-
-	bool insert(pkgCache::PkgIterator const &P) { if (P.end() == true) return false; _cont.insert(P); return true; };
-	template<class Cont> void insert(PackageContainer<Cont> const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); };
-	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); };
-
-	bool empty() const { return _cont.empty(); };
-	void clear() { return _cont.clear(); };
-	//FIXME: on ABI break, replace the first with the second without bool
-	void erase(iterator position) { _cont.erase((typename Container::iterator)position); };
-	iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); };
-	size_t erase(const pkgCache::PkgIterator x) { return _cont.erase(x); };
-	void erase(iterator first, iterator last) { _cont.erase(first, last); };
-	size_t size() const { return _cont.size(); };
+	typedef Container_const_iterator<PackageContainerInterface, Container, PackageContainer> const_iterator;
+	typedef Container_iterator<PackageContainerInterface, Container, PackageContainer> iterator;
+	typedef Container_const_reverse_iterator<PackageContainerInterface, Container, PackageContainer> const_reverse_iterator;
+	typedef Container_reverse_iterator<PackageContainerInterface, Container, PackageContainer> reverse_iterator;
+	typedef typename Container::value_type value_type;
+	typedef typename Container::pointer pointer;
+	typedef typename Container::const_pointer const_pointer;
+	typedef typename Container::reference reference;
+	typedef typename Container::const_reference const_reference;
+	typedef typename Container::difference_type difference_type;
+	typedef typename Container::size_type size_type;
+	typedef typename Container::allocator_type allocator_type;
+
+	bool insert(pkgCache::PkgIterator const &P) APT_OVERRIDE { if (P.end() == true) return false; _cont.insert(P); return true; }
+	template<class Cont> void insert(PackageContainer<Cont> const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); }
+	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }
+
+	bool empty() const APT_OVERRIDE { return _cont.empty(); }
+	void clear() APT_OVERRIDE { return _cont.clear(); }
+	size_t size() const APT_OVERRIDE { return _cont.size(); }
+#if __GNUC__ >= 5 || (__GNUC_MINOR__ >= 9 && __GNUC__ >= 4)
+	iterator erase( const_iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+	iterator erase( const_iterator first, const_iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#else
+	iterator erase( iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+	iterator erase( iterator first, iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#endif
+	const_iterator begin() const { return const_iterator(_cont.begin()); }
+	const_iterator end() const { return const_iterator(_cont.end()); }
+	const_reverse_iterator rbegin() const { return const_reverse_iterator(_cont.rbegin()); }
+	const_reverse_iterator rend() const { return const_reverse_iterator(_cont.rend()); }
+#if __cplusplus >= 201103L
+	const_iterator cbegin() const { return const_iterator(_cont.cbegin()); }
+	const_iterator cend() const { return const_iterator(_cont.cend()); }
+	const_reverse_iterator crbegin() const { return const_reverse_iterator(_cont.crbegin()); }
+	const_reverse_iterator crend() const { return const_reverse_iterator(_cont.crend()); }
+#endif
+	iterator begin() { return iterator(_cont.begin()); }
+	iterator end() { return iterator(_cont.end()); }
+	reverse_iterator rbegin() { return reverse_iterator(_cont.rbegin()); }
+	reverse_iterator rend() { return reverse_iterator(_cont.rend()); }
+	const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); }
+
+	PackageContainer() : PackageContainerInterface(CacheSetHelper::UNKNOWN) {}
+	explicit PackageContainer(CacheSetHelper::PkgSelector const &by) : PackageContainerInterface(by) {}
+APT_IGNORE_DEPRECATED_PUSH
+	APT_DEPRECATED_MSG("Construct with a CacheSetHelper::PkgSelector instead") explicit PackageContainer(Constructor const &by) : PackageContainerInterface((CacheSetHelper::PkgSelector)by) {}
+APT_IGNORE_DEPRECATED_POP
+	template<typename Itr> PackageContainer(Itr first, Itr last) : PackageContainerInterface(CacheSetHelper::UNKNOWN), _cont(first, last) {}
+#if __cplusplus >= 201103L
+	PackageContainer(std::initializer_list<value_type> list) : PackageContainerInterface(CacheSetHelper::UNKNOWN), _cont(list) {}
+	void push_back(value_type&& P) { _cont.emplace_back(std::move(P)); }
+	template<typename... Args> void emplace_back(Args&&... args) { _cont.emplace_back(std::forward<Args>(args)...); }
+#endif
+	void push_back(const value_type& P) { _cont.push_back(P); }
 
-	const_iterator begin() const { return const_iterator(_cont.begin()); };
-	const_iterator end() const { return const_iterator(_cont.end()); };
-	iterator begin() { return iterator(_cont.begin()); };
-	iterator end() { return iterator(_cont.end()); };
-	const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); };
+	/** \brief sort all included versions with given comparer
 
-	void setConstructor(Constructor const &by) { ConstructedBy = by; };
-	Constructor getConstructor() const { return ConstructedBy; };
+	    Some containers are sorted by default, some are not and can't be,
+	    but a few like std::vector can be sorted if need be, so this can be
+	    specialized in later on. The default is that this will fail though.
+	    Specifically, already sorted containers like std::set will return
+	    false as well as there is no easy way to check that the given comparer
+	    would sort in the same way the set is currently sorted
 
-	PackageContainer() : ConstructedBy(UNKNOWN) {};
-	PackageContainer(Constructor const &by) : ConstructedBy(by) {};
+	    \return \b true if the set was sorted, \b false if not. */
+	template<class Compare> bool sort(Compare /*Comp*/) { return false; }
 
 	/** \brief returns all packages in the cache who belong to the given task
 
@@ -231,8 +471,8 @@ public:									/*{{{*/
 	    \param pattern name of the task
 	    \param helper responsible for error and message handling */
 	static PackageContainer FromTask(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
-		PackageContainer cont(TASK);
-		PackageContainerInterface::FromTask(&cont, Cache, pattern, helper);
+		PackageContainer cont(CacheSetHelper::TASK);
+		helper.PackageFrom(CacheSetHelper::TASK, &cont, Cache, pattern);
 		return cont;
 	}
 	static PackageContainer FromTask(pkgCacheFile &Cache, std::string const &pattern) {
@@ -248,9 +488,9 @@ public:									/*{{{*/
 	    \param Cache the packages are in
 	    \param pattern regular expression for package names
 	    \param helper responsible for error and message handling */
-	static PackageContainer FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
-		PackageContainer cont(REGEX);
-		PackageContainerInterface::FromRegEx(&cont, Cache, pattern, helper);
+	static PackageContainer FromRegEx(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+		PackageContainer cont(CacheSetHelper::REGEX);
+		helper.PackageFrom(CacheSetHelper::REGEX, &cont, Cache, pattern);
 		return cont;
 	}
 
@@ -259,18 +499,30 @@ public:									/*{{{*/
 		return FromRegEx(Cache, pattern, helper);
 	}
 
+	static PackageContainer FromFnmatch(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+		PackageContainer cont(CacheSetHelper::FNMATCH);
+		helper.PackageFrom(CacheSetHelper::FNMATCH, &cont, Cache, pattern);
+		return cont;
+	}
+	static PackageContainer FromFnMatch(pkgCacheFile &Cache, std::string const &pattern) {
+		CacheSetHelper helper;
+		return FromFnmatch(Cache, pattern, helper);
+	}
+
+APT_IGNORE_DEPRECATED_PUSH
 	/** \brief returns a package specified by a string
 
 	    \param Cache the package is in
 	    \param pattern String the package name should be extracted from
 	    \param helper responsible for error and message handling */
-	static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
-		return PackageContainerInterface::FromName(Cache, pattern, helper);
+	APT_DEPRECATED_MSG("Use helper.PackageFromName instead") static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+		return helper.PackageFromName(Cache, pattern);
 	}
-	static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern) {
+	APT_DEPRECATED_MSG("Use helper.PackageFromName instead") static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern) {
 		CacheSetHelper helper;
-		return PackageContainerInterface::FromName(Cache, pattern, helper);
+		return FromName(Cache, pattern, helper);
 	}
+APT_IGNORE_DEPRECATED_POP
 
 	/** \brief returns all packages specified by a string
 
@@ -279,7 +531,7 @@ public:									/*{{{*/
 	    \param helper responsible for error and message handling */
 	static PackageContainer FromString(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
 		PackageContainer cont;
-		PackageContainerInterface::FromString(&cont, Cache, pattern, helper);
+		helper.PackageFrom(CacheSetHelper::PACKAGENAME, &cont, Cache, pattern);
 		return cont;
 	}
 	static PackageContainer FromString(pkgCacheFile &Cache, std::string const &pattern) {
@@ -296,7 +548,7 @@ public:									/*{{{*/
 	    \param helper responsible for error and message handling */
 	static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) {
 		PackageContainer cont;
-		PackageContainerInterface::FromCommandLine(&cont, Cache, cmdline, helper);
+		helper.PackageFromCommandLine(&cont, Cache, cmdline);
 		return cont;
 	}
 	static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
@@ -318,14 +570,14 @@ public:									/*{{{*/
 	static std::map<unsigned short, PackageContainer> GroupedFromCommandLine(
 										 pkgCacheFile &Cache,
 										 const char **cmdline,
-										 std::list<Modifier> const &mods,
+										 std::list<CacheSetHelper::PkgModifier> const &mods,
 										 unsigned short const &fallback,
 										 CacheSetHelper &helper) {
 		std::map<unsigned short, PackageContainer> pkgsets;
 		for (const char **I = cmdline; *I != 0; ++I) {
 			unsigned short modID = fallback;
 			PackageContainer pkgset;
-			PackageContainerInterface::FromModifierCommandLine(modID, &pkgset, Cache, *I, mods, helper);
+			helper.PackageFromModifierCommandLine(modID, &pkgset, Cache, *I, mods);
 			pkgsets[modID].insert(pkgset);
 		}
 		return pkgsets;
@@ -333,36 +585,173 @@ public:									/*{{{*/
 	static std::map<unsigned short, PackageContainer> GroupedFromCommandLine(
 										 pkgCacheFile &Cache,
 										 const char **cmdline,
-										 std::list<Modifier> const &mods,
+										 std::list<CacheSetHelper::PkgModifier> const &mods,
 										 unsigned short const &fallback) {
 		CacheSetHelper helper;
 		return GroupedFromCommandLine(Cache, cmdline,
 				mods, fallback, helper);
 	}
 									/*}}}*/
-private:								/*{{{*/
-	Constructor ConstructedBy;
-									/*}}}*/
 };									/*}}}*/
-
+// various specialisations for PackageContainer				/*{{{*/
 template<> template<class Cont> void PackageContainer<std::list<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
 	for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
 		_cont.push_back(*p);
-};
-// these two are 'inline' as otherwise the linker has problems with seeing these untemplated
+}
+#if __cplusplus >= 201103L
+template<> template<class Cont> void PackageContainer<std::forward_list<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
+	for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
+		_cont.push_front(*p);
+}
+#endif
+template<> template<class Cont> void PackageContainer<std::deque<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
+	for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
+		_cont.push_back(*p);
+}
+template<> template<class Cont> void PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
+	for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
+		_cont.push_back(*p);
+}
+// these are 'inline' as otherwise the linker has problems with seeing these untemplated
 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
 	if (P.end() == true)
 		return false;
 	_cont.push_back(P);
 	return true;
-};
+}
+#if __cplusplus >= 201103L
+template<> inline bool PackageContainer<std::forward_list<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
+	if (P.end() == true)
+		return false;
+	_cont.push_front(P);
+	return true;
+}
+#endif
+template<> inline bool PackageContainer<std::deque<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
+	if (P.end() == true)
+		return false;
+	_cont.push_back(P);
+	return true;
+}
+template<> inline bool PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
+	if (P.end() == true)
+		return false;
+	_cont.push_back(P);
+	return true;
+}
 template<> inline void PackageContainer<std::list<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
 	for (const_iterator p = begin; p != end; ++p)
 		_cont.push_back(*p);
+}
+#if __cplusplus >= 201103L
+template<> inline void PackageContainer<std::forward_list<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
+	for (const_iterator p = begin; p != end; ++p)
+		_cont.push_front(*p);
+}
+#endif
+template<> inline void PackageContainer<std::deque<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
+	for (const_iterator p = begin; p != end; ++p)
+		_cont.push_back(*p);
+}
+template<> inline void PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
+	for (const_iterator p = begin; p != end; ++p)
+		_cont.push_back(*p);
+}
+#if APT_GCC_VERSION < 0x409
+template<> inline PackageContainer<std::set<pkgCache::PkgIterator> >::iterator PackageContainer<std::set<pkgCache::PkgIterator> >::erase(iterator i) {
+	_cont.erase(i._iter);
+	return end();
+}
+template<> inline PackageContainer<std::set<pkgCache::PkgIterator> >::iterator PackageContainer<std::set<pkgCache::PkgIterator> >::erase(iterator first, iterator last) {
+	_cont.erase(first, last);
+	return end();
+}
+#endif
+template<> template<class Compare> inline bool PackageContainer<std::vector<pkgCache::PkgIterator> >::sort(Compare Comp) {
+	std::sort(_cont.begin(), _cont.end(), Comp);
+	return true;
+}
+template<> template<class Compare> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::sort(Compare Comp) {
+	_cont.sort(Comp);
+	return true;
+}
+#if __cplusplus >= 201103L
+template<> template<class Compare> inline bool PackageContainer<std::forward_list<pkgCache::PkgIterator> >::sort(Compare Comp) {
+	_cont.sort(Comp);
+	return true;
+}
+#endif
+template<> template<class Compare> inline bool PackageContainer<std::deque<pkgCache::PkgIterator> >::sort(Compare Comp) {
+	std::sort(_cont.begin(), _cont.end(), Comp);
+	return true;
+}
+									/*}}}*/
+
+// class PackageUniverse - pkgCache as PackageContainerInterface	/*{{{*/
+/** \class PackageUniverse
+
+    Wraps around our usual pkgCache, so that it can be stuffed into methods
+    expecting a PackageContainer.
+
+    The wrapping is read-only in practice modeled by making erase and co
+    private methods. */
+class APT_PUBLIC PackageUniverse : public PackageContainerInterface {
+	pkgCache * const _cont;
+	void * const d;
+public:
+	class const_iterator : public APT::Container_iterator_base<APT::PackageContainerInterface, PackageUniverse, PackageUniverse::const_iterator, pkgCache::PkgIterator, pkgCache::PkgIterator>
+	{
+	public:
+	   explicit const_iterator(pkgCache::PkgIterator i):
+	      Container_iterator_base<APT::PackageContainerInterface, PackageUniverse, PackageUniverse::const_iterator, pkgCache::PkgIterator, pkgCache::PkgIterator>(i) {}
+
+	   inline pkgCache::PkgIterator getType(void) const { return _iter; }
+	};
+	typedef const_iterator iterator;
+	typedef pkgCache::PkgIterator value_type;
+	typedef typename pkgCache::PkgIterator* pointer;
+	typedef typename pkgCache::PkgIterator const* const_pointer;
+	typedef const pkgCache::PkgIterator& const_reference;
+	typedef const_reference reference;
+	typedef const_iterator::difference_type difference_type;
+	typedef std::make_unsigned<const_iterator::difference_type>::type size_type;
+
+
+	bool empty() const APT_OVERRIDE { return false; }
+	size_t size() const APT_OVERRIDE { return _cont->Head().PackageCount; }
+
+	const_iterator begin() const { return const_iterator(_cont->PkgBegin()); }
+	const_iterator end() const { return const_iterator(_cont->PkgEnd()); }
+	const_iterator cbegin() const { return const_iterator(_cont->PkgBegin()); }
+	const_iterator cend() const { return const_iterator(_cont->PkgEnd()); }
+	iterator begin() { return iterator(_cont->PkgBegin()); }
+	iterator end() { return iterator(_cont->PkgEnd()); }
+
+	pkgCache * data() const { return _cont; }
+
+	explicit PackageUniverse(pkgCache * const Owner);
+	explicit PackageUniverse(pkgCacheFile * const Owner);
+	virtual ~PackageUniverse();
+
+private:
+	APT_HIDDEN bool insert(pkgCache::PkgIterator const &) APT_OVERRIDE { return true; }
+	template<class Cont> APT_HIDDEN void insert(PackageContainer<Cont> const &) { }
+	APT_HIDDEN void insert(const_iterator, const_iterator) { }
+
+	APT_HIDDEN void clear() APT_OVERRIDE { }
+	APT_HIDDEN iterator erase( const_iterator pos );
+	APT_HIDDEN iterator erase( const_iterator first, const_iterator last );
 };
+									/*}}}*/
 typedef PackageContainer<std::set<pkgCache::PkgIterator> > PackageSet;
+#if __cplusplus >= 201103L
+typedef PackageContainer<std::unordered_set<pkgCache::PkgIterator> > PackageUnorderedSet;
+typedef PackageContainer<std::forward_list<pkgCache::PkgIterator> > PackageForwardList;
+#endif
 typedef PackageContainer<std::list<pkgCache::PkgIterator> > PackageList;
+typedef PackageContainer<std::deque<pkgCache::PkgIterator> > PackageDeque;
+typedef PackageContainer<std::vector<pkgCache::PkgIterator> > PackageVector;
 
 class VersionContainerInterface {					/*{{{*/
 /** \class APT::VersionContainerInterface
@@ -370,79 +759,98 @@ class VersionContainerInterface {					/*{{{*/
     Same as APT::PackageContainerInterface, just for Versions */
 public:
 	/** \brief smell like a pkgCache::VerIterator */
-	class const_iterator {						/*{{{*/
+	template<class Itr> class iterator_base {			/*{{{*/
+	   pkgCache::VerIterator getType() const { return static_cast<Itr const*>(this)->getType(); };
 	public:
-		virtual pkgCache::VerIterator getVer() const = 0;
-		operator pkgCache::VerIterator(void) { return getVer(); }
-
-		inline pkgCache *Cache() const { return getVer().Cache(); };
-		inline unsigned long Index() const {return getVer().Index();};
-		inline int CompareVer(const pkgCache::VerIterator &B) const { return getVer().CompareVer(B); };
-		inline const char *VerStr() const { return getVer().VerStr(); };
-		inline const char *Section() const { return getVer().Section(); };
-		inline const char *Arch() const { return getVer().Arch(); };
-		inline pkgCache::PkgIterator ParentPkg() const { return getVer().ParentPkg(); };
-		inline pkgCache::DescIterator DescriptionList() const { return getVer().DescriptionList(); };
-		inline pkgCache::DescIterator TranslatedDescription() const { return getVer().TranslatedDescription(); };
-		inline pkgCache::DepIterator DependsList() const { return getVer().DependsList(); };
-		inline pkgCache::PrvIterator ProvidesList() const { return getVer().ProvidesList(); };
-		inline pkgCache::VerFileIterator FileList() const { return getVer().FileList(); };
-		inline bool Downloadable() const { return getVer().Downloadable(); };
-		inline const char *PriorityType() const { return getVer().PriorityType(); };
-		inline std::string RelStr() const { return getVer().RelStr(); };
-		inline bool Automatic() const { return getVer().Automatic(); };
-		inline pkgCache::VerFileIterator NewestFile() const { return getVer().NewestFile(); };
+		operator pkgCache::VerIterator(void) { return getType(); }
+
+		inline pkgCache *Cache() const { return getType().Cache(); }
+		inline unsigned long Index() const {return getType().Index();}
+		inline int CompareVer(const pkgCache::VerIterator &B) const { return getType().CompareVer(B); }
+		inline const char *VerStr() const { return getType().VerStr(); }
+		inline const char *Section() const { return getType().Section(); }
+		inline const char *Arch() const { return getType().Arch(); }
+		inline pkgCache::PkgIterator ParentPkg() const { return getType().ParentPkg(); }
+		inline pkgCache::DescIterator DescriptionList() const { return getType().DescriptionList(); }
+		inline pkgCache::DescIterator TranslatedDescription() const { return getType().TranslatedDescription(); }
+		inline pkgCache::DepIterator DependsList() const { return getType().DependsList(); }
+		inline pkgCache::PrvIterator ProvidesList() const { return getType().ProvidesList(); }
+		inline pkgCache::VerFileIterator FileList() const { return getType().FileList(); }
+		inline bool Downloadable() const { return getType().Downloadable(); }
+		inline const char *PriorityType() const { return getType().PriorityType(); }
+		inline std::string RelStr() const { return getType().RelStr(); }
+		inline bool Automatic() const { return getType().Automatic(); }
+		inline pkgCache::VerFileIterator NewestFile() const { return getType().NewestFile(); }
 		// we have only valid iterators here
-		inline bool end() const { return false; };
+		inline bool end() const { return false; }
 
-		inline pkgCache::Version const * operator->() const { return &*getVer(); };
+		inline pkgCache::Version const * operator->() const { return &*getType(); }
 	};
 									/*}}}*/
 
 	virtual bool insert(pkgCache::VerIterator const &V) = 0;
 	virtual bool empty() const = 0;
 	virtual void clear() = 0;
+	virtual size_t size() const = 0;
 
 	/** \brief specifies which version(s) will be returned if non is given */
-	enum Version {
-		/** 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
+	enum APT_DEPRECATED_MSG("enum moved to CacheSetHelper::VerSelector instead") Version {
+		ALL = CacheSetHelper::ALL,
+		CANDANDINST = CacheSetHelper::CANDANDINST,
+		CANDIDATE = CacheSetHelper::CANDIDATE,
+		INSTALLED = CacheSetHelper::INSTALLED,
+		CANDINST = CacheSetHelper::CANDINST,
+		INSTCAND = CacheSetHelper::INSTCAND,
+		NEWEST = CacheSetHelper::NEWEST
 	};
 
 	struct Modifier {
-		enum Position { NONE, PREFIX, POSTFIX };
-		unsigned short ID;
+		unsigned short const ID;
 		const char * const Alias;
-		Position Pos;
-		Version SelectVersion;
+		enum Position { NONE, PREFIX, POSTFIX } const Pos;
+		enum CacheSetHelper::VerSelector const SelectVersion;
 		Modifier (unsigned short const &id, const char * const alias, Position const &pos,
+			  enum CacheSetHelper::VerSelector const select) : ID(id), Alias(alias), Pos(pos),
+			 SelectVersion(select) {}
+APT_IGNORE_DEPRECATED_PUSH
+		APT_DEPRECATED_MSG("Construct with a CacheSetHelper::VerSelector instead") Modifier(unsigned short const &id, const char * const alias, Position const &pos,
 			  Version const &select) : ID(id), Alias(alias), Pos(pos),
-			 SelectVersion(select) {};
+			 SelectVersion((CacheSetHelper::VerSelector)select) {}
+APT_IGNORE_DEPRECATED_POP
 	};
 
 	static bool FromCommandLine(VersionContainerInterface * const vci, pkgCacheFile &Cache,
-				    const char **cmdline, Version const &fallback,
+				    const char **cmdline, CacheSetHelper::VerSelector const fallback,
 				    CacheSetHelper &helper);
+APT_IGNORE_DEPRECATED_PUSH
+	APT_DEPRECATED_MSG("Use CacheSetHelper::VerSelector as fallback selector") static bool FromCommandLine(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+				    const char **cmdline, Version const &fallback,
+				    CacheSetHelper &helper) {
+	   return FromCommandLine(vci, Cache, cmdline, (CacheSetHelper::VerSelector)fallback, helper);
+	}
+APT_IGNORE_DEPRECATED_POP
 
 	static bool FromString(VersionContainerInterface * const vci, pkgCacheFile &Cache,
-			       std::string pkg, Version const &fallback, CacheSetHelper &helper,
+			       std::string pkg, CacheSetHelper::VerSelector const fallback, CacheSetHelper &helper,
 			       bool const onlyFromName = false);
+APT_IGNORE_DEPRECATED_PUSH
+	APT_DEPRECATED_MSG("Use CacheSetHelper::VerSelector as fallback selector") static bool FromString(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+			       std::string pkg, Version const &fallback, CacheSetHelper &helper,
+			       bool const onlyFromName = false) {
+	   return FromString(vci, Cache, pkg, (CacheSetHelper::VerSelector)fallback, helper, onlyFromName);
+	}
+APT_IGNORE_DEPRECATED_POP
 
 	static bool FromPackage(VersionContainerInterface * const vci, pkgCacheFile &Cache,
-				pkgCache::PkgIterator const &P, Version const &fallback,
+				pkgCache::PkgIterator const &P, CacheSetHelper::VerSelector const fallback,
 				CacheSetHelper &helper);
+APT_IGNORE_DEPRECATED_PUSH
+	APT_DEPRECATED_MSG("Use CacheSetHelper::VerSelector as fallback selector") static bool FromPackage(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+				pkgCache::PkgIterator const &P, Version const &fallback,
+				CacheSetHelper &helper) {
+	   return FromPackage(vci, Cache, P, (CacheSetHelper::VerSelector)fallback, helper);
+	}
+APT_IGNORE_DEPRECATED_POP
 
 	static bool FromModifierCommandLine(unsigned short &modID,
 					    VersionContainerInterface * const vci,
@@ -454,22 +862,39 @@ public:
 	static bool FromDependency(VersionContainerInterface * const vci,
 				   pkgCacheFile &Cache,
 				   pkgCache::DepIterator const &D,
-				   Version const &selector,
+				   CacheSetHelper::VerSelector const selector,
 				   CacheSetHelper &helper);
+APT_IGNORE_DEPRECATED_PUSH
+	APT_DEPRECATED_MSG("Use CacheSetHelper::VerSelector as fallback selector") static bool FromDependency(VersionContainerInterface * const vci,
+				   pkgCacheFile &Cache,
+				   pkgCache::DepIterator const &D,
+				   Version const &selector,
+				   CacheSetHelper &helper) {
+	   return FromDependency(vci, Cache, D, (CacheSetHelper::VerSelector)selector, helper);
+	}
+APT_IGNORE_DEPRECATED_POP
+
+	VersionContainerInterface();
+	VersionContainerInterface& operator=(VersionContainerInterface const &other);
+	virtual ~VersionContainerInterface();
+private:
+	void * const d;
 
 protected:								/*{{{*/
 
 	/** \brief returns the candidate version of the package
 
 	    \param Cache to be used to query for information
-	    \param Pkg we want the candidate version from this package */
+	    \param Pkg we want the candidate version from this package
+	    \param helper used in this container instance */
 	static pkgCache::VerIterator getCandidateVer(pkgCacheFile &Cache,
 		pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
 
 	/** \brief returns the installed version of the package
 
 	    \param Cache to be used to query for information
-	    \param Pkg we want the installed version from this package */
+	    \param Pkg we want the installed version from this package
+	    \param helper used in this container instance */
 	static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache,
 		pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
 									/*}}}*/
@@ -483,57 +908,69 @@ template<class Container> class VersionContainer : public VersionContainerInterf
     pkgCache. */
 	Container _cont;
 public:									/*{{{*/
-	/** \brief smell like a pkgCache::VerIterator */
-	class const_iterator : public VersionContainerInterface::const_iterator,
-			       public std::iterator<std::forward_iterator_tag, typename Container::const_iterator> {/*{{{*/
-		typename Container::const_iterator _iter;
-	public:
-		const_iterator(typename Container::const_iterator i) : _iter(i) {}
-		pkgCache::VerIterator getVer(void) const { return *_iter; }
-		inline pkgCache::VerIterator operator*(void) const { return *_iter; };
-		operator typename Container::const_iterator(void) const { return _iter; }
-		inline const_iterator& operator++() { ++_iter; return *this; }
-		inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(const_iterator const &i) const { return _iter == i._iter; };
-		friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
-	};
-	class iterator : public VersionContainerInterface::const_iterator,
-			 public std::iterator<std::forward_iterator_tag, typename Container::iterator> {
-		typename Container::iterator _iter;
-	public:
-		iterator(typename Container::iterator i) : _iter(i) {}
-		pkgCache::VerIterator getVer(void) const { return *_iter; }
-		inline pkgCache::VerIterator operator*(void) const { return *_iter; };
-		operator typename Container::iterator(void) const { return _iter; }
-		operator typename VersionContainer<Container>::const_iterator() { return VersionContainer<Container>::const_iterator(_iter); }
-		inline iterator& operator++() { ++_iter; return *this; }
-		inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; }
-		inline bool operator!=(iterator const &i) const { return _iter != i._iter; };
-		inline bool operator==(iterator const &i) const { return _iter == i._iter; };
-		inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; };
-		inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; };
-		friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); }
-	};
-									/*}}}*/
 
-	bool insert(pkgCache::VerIterator const &V) { if (V.end() == true) return false; _cont.insert(V); return true; };
-	template<class Cont> void insert(VersionContainer<Cont> const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); };
-	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); };
-	bool empty() const { return _cont.empty(); };
-	void clear() { return _cont.clear(); };
-	//FIXME: on ABI break, replace the first with the second without bool
-	void erase(iterator position) { _cont.erase((typename Container::iterator)position); };
-	iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); };
-	size_t erase(const pkgCache::VerIterator x) { return _cont.erase(x); };
-	void erase(iterator first, iterator last) { _cont.erase(first, last); };
-	size_t size() const { return _cont.size(); };
-
-	const_iterator begin() const { return const_iterator(_cont.begin()); };
-	const_iterator end() const { return const_iterator(_cont.end()); };
-	iterator begin() { return iterator(_cont.begin()); };
-	iterator end() { return iterator(_cont.end()); };
-	const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); };
+	typedef Container_const_iterator<VersionContainerInterface, Container, VersionContainer> const_iterator;
+	typedef Container_iterator<VersionContainerInterface, Container, VersionContainer> iterator;
+	typedef Container_const_reverse_iterator<VersionContainerInterface, Container, VersionContainer> const_reverse_iterator;
+	typedef Container_reverse_iterator<VersionContainerInterface, Container, VersionContainer> reverse_iterator;
+	typedef typename Container::value_type value_type;
+	typedef typename Container::pointer pointer;
+	typedef typename Container::const_pointer const_pointer;
+	typedef typename Container::reference reference;
+	typedef typename Container::const_reference const_reference;
+	typedef typename Container::difference_type difference_type;
+	typedef typename Container::size_type size_type;
+	typedef typename Container::allocator_type allocator_type;
+
+	bool insert(pkgCache::VerIterator const &V) APT_OVERRIDE { if (V.end() == true) return false; _cont.insert(V); return true; }
+	template<class Cont> void insert(VersionContainer<Cont> const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); }
+	void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }
+	bool empty() const APT_OVERRIDE { return _cont.empty(); }
+	void clear() APT_OVERRIDE { return _cont.clear(); }
+	size_t size() const APT_OVERRIDE { return _cont.size(); }
+#if APT_GCC_VERSION >= 0x409
+	iterator erase( const_iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+	iterator erase( const_iterator first, const_iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#else
+	iterator erase( iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+	iterator erase( iterator first, iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#endif
+	const_iterator begin() const { return const_iterator(_cont.begin()); }
+	const_iterator end() const { return const_iterator(_cont.end()); }
+	const_reverse_iterator rbegin() const { return const_reverse_iterator(_cont.rbegin()); }
+	const_reverse_iterator rend() const { return const_reverse_iterator(_cont.rend()); }
+#if __cplusplus >= 201103L
+	const_iterator cbegin() const { return const_iterator(_cont.cbegin()); }
+	const_iterator cend() const { return const_iterator(_cont.cend()); }
+	const_reverse_iterator crbegin() const { return const_reverse_iterator(_cont.crbegin()); }
+	const_reverse_iterator crend() const { return const_reverse_iterator(_cont.crend()); }
+#endif
+	iterator begin() { return iterator(_cont.begin()); }
+	iterator end() { return iterator(_cont.end()); }
+	reverse_iterator rbegin() { return reverse_iterator(_cont.rbegin()); }
+	reverse_iterator rend() { return reverse_iterator(_cont.rend()); }
+	const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); }
+
+	VersionContainer() : VersionContainerInterface() {}
+	template<typename Itr> VersionContainer(Itr first, Itr last) : VersionContainerInterface(), _cont(first, last) {}
+#if __cplusplus >= 201103L
+	VersionContainer(std::initializer_list<value_type> list) : VersionContainerInterface(), _cont(list) {}
+	void push_back(value_type&& P) { _cont.emplace_back(std::move(P)); }
+	template<typename... Args> void emplace_back(Args&&... args) { _cont.emplace_back(std::forward<Args>(args)...); }
+#endif
+	void push_back(const value_type& P) { _cont.push_back(P); }
+
+	/** \brief sort all included versions with given comparer
+
+	    Some containers are sorted by default, some are not and can't be,
+	    but a few like std::vector can be sorted if need be, so this can be
+	    specialized in later on. The default is that this will fail though.
+	    Specifically, already sorted containers like std::set will return
+	    false as well as there is no easy way to check that the given comparer
+	    would sort in the same way the set is currently sorted
+
+	    \return \b true if the set was sorted, \b false if not. */
+	template<class Compare> bool sort(Compare /*Comp*/) { return false; }
 
 	/** \brief returns all versions specified on the commandline
 
@@ -541,37 +978,62 @@ public:									/*{{{*/
 	    non specifically requested  and executes regex's if needed on names.
 	    \param Cache the packages and versions are in
 	    \param cmdline Command line the versions should be extracted from
+	    \param fallback version specification
 	    \param helper responsible for error and message handling */
 	static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
-			Version const &fallback, CacheSetHelper &helper) {
+			CacheSetHelper::VerSelector const fallback, CacheSetHelper &helper) {
 		VersionContainer vercon;
 		VersionContainerInterface::FromCommandLine(&vercon, Cache, cmdline, fallback, helper);
 		return vercon;
 	}
 	static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
-			Version const &fallback) {
+			CacheSetHelper::VerSelector const fallback) {
 		CacheSetHelper helper;
 		return FromCommandLine(Cache, cmdline, fallback, helper);
 	}
 	static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
-		return FromCommandLine(Cache, cmdline, CANDINST);
+		return FromCommandLine(Cache, cmdline, CacheSetHelper::CANDINST);
 	}
-
 	static VersionContainer FromString(pkgCacheFile &Cache, std::string const &pkg,
-			Version const &fallback, CacheSetHelper &helper,
-			bool const onlyFromName = false) {
+			CacheSetHelper::VerSelector const fallback, CacheSetHelper &helper,
+                                           bool const /*onlyFromName = false*/) {
 		VersionContainer vercon;
 		VersionContainerInterface::FromString(&vercon, Cache, pkg, fallback, helper);
 		return vercon;
 	}
 	static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg,
-			Version const &fallback) {
+			CacheSetHelper::VerSelector const fallback) {
 		CacheSetHelper helper;
 		return FromString(Cache, pkg, fallback, helper);
 	}
 	static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg) {
-		return FromString(Cache, pkg, CANDINST);
+		return FromString(Cache, pkg, CacheSetHelper::CANDINST);
+	}
+APT_IGNORE_DEPRECATED_PUSH
+	static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
+			Version const &fallback, CacheSetHelper &helper) {
+		VersionContainer vercon;
+		VersionContainerInterface::FromCommandLine(&vercon, Cache, cmdline, (CacheSetHelper::VerSelector)fallback, helper);
+		return vercon;
+	}
+	static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
+			Version const &fallback) {
+		CacheSetHelper helper;
+		return FromCommandLine(Cache, cmdline, (CacheSetHelper::VerSelector)fallback, helper);
+	}
+	static VersionContainer FromString(pkgCacheFile &Cache, std::string const &pkg,
+			Version const &fallback, CacheSetHelper &helper,
+                                           bool const /*onlyFromName = false*/) {
+		VersionContainer vercon;
+		VersionContainerInterface::FromString(&vercon, Cache, pkg, (CacheSetHelper::VerSelector)fallback, helper);
+		return vercon;
 	}
+	static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg,
+			Version const &fallback) {
+		CacheSetHelper helper;
+		return FromString(Cache, pkg, (CacheSetHelper::VerSelector)fallback, helper);
+	}
+APT_IGNORE_DEPRECATED_POP
 
 	/** \brief returns all versions specified for the package
 
@@ -580,18 +1042,31 @@ public:									/*{{{*/
 	    \param fallback the version(s) you want to get
 	    \param helper the helper used for display and error handling */
 	static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
-		Version const &fallback, CacheSetHelper &helper) {
+		CacheSetHelper::VerSelector const fallback, CacheSetHelper &helper) {
 		VersionContainer vercon;
 		VersionContainerInterface::FromPackage(&vercon, Cache, P, fallback, helper);
 		return vercon;
 	}
 	static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
-					    Version const &fallback) {
+					    CacheSetHelper::VerSelector const fallback) {
 		CacheSetHelper helper;
 		return FromPackage(Cache, P, fallback, helper);
 	}
+APT_IGNORE_DEPRECATED_PUSH
+	static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
+		Version const &fallback, CacheSetHelper &helper) {
+		VersionContainer vercon;
+		VersionContainerInterface::FromPackage(&vercon, Cache, P, (CacheSetHelper::VerSelector)fallback, helper);
+		return vercon;
+	}
+	static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
+					    Version const &fallback) {
+		CacheSetHelper helper;
+		return FromPackage(Cache, P, (CacheSetHelper::VerSelector)fallback, helper);
+	}
+APT_IGNORE_DEPRECATED_POP
 	static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P) {
-		return FromPackage(Cache, P, CANDIDATE);
+		return FromPackage(Cache, P, CacheSetHelper::CANDIDATE);
 	}
 
 	static std::map<unsigned short, VersionContainer> GroupedFromCommandLine(
@@ -620,39 +1095,136 @@ public:									/*{{{*/
 	}
 
 	static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
-					       Version const &selector, CacheSetHelper &helper) {
+					       CacheSetHelper::VerSelector const selector, CacheSetHelper &helper) {
 		VersionContainer vercon;
 		VersionContainerInterface::FromDependency(&vercon, Cache, D, selector, helper);
 		return vercon;
 	}
+	static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
+					       CacheSetHelper::VerSelector const selector) {
+		CacheSetHelper helper;
+		return FromDependency(Cache, D, selector, helper);
+	}
+APT_IGNORE_DEPRECATED_PUSH
+	static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
+					       Version const &selector, CacheSetHelper &helper) {
+		VersionContainer vercon;
+		VersionContainerInterface::FromDependency(&vercon, Cache, D, (CacheSetHelper::VerSelector)selector, helper);
+		return vercon;
+	}
 	static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
 					       Version const &selector) {
 		CacheSetHelper helper;
-		return FromPackage(Cache, D, selector, helper);
+		return FromDependency(Cache, D, (CacheSetHelper::VerSelector)selector, helper);
 	}
+APT_IGNORE_DEPRECATED_POP
 	static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D) {
-		return FromPackage(Cache, D, CANDIDATE);
+		return FromDependency(Cache, D, CacheSetHelper::CANDIDATE);
 	}
 									/*}}}*/
 };									/*}}}*/
-
+// various specialisations for VersionContainer				/*{{{*/
 template<> template<class Cont> void VersionContainer<std::list<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
 	for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
 		_cont.push_back(*v);
-};
-// these two are 'inline' as otherwise the linker has problems with seeing these untemplated
+}
+#if __cplusplus >= 201103L
+template<> template<class Cont> void VersionContainer<std::forward_list<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
+	for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
+		_cont.push_front(*v);
+}
+#endif
+template<> template<class Cont> void VersionContainer<std::deque<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
+	for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
+		_cont.push_back(*v);
+}
+template<> template<class Cont> void VersionContainer<std::vector<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
+	for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
+		_cont.push_back(*v);
+}
+// these are 'inline' as otherwise the linker has problems with seeing these untemplated
 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
 	if (V.end() == true)
 		return false;
 	_cont.push_back(V);
 	return true;
-};
+}
+#if __cplusplus >= 201103L
+template<> inline bool VersionContainer<std::forward_list<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
+	if (V.end() == true)
+		return false;
+	_cont.push_front(V);
+	return true;
+}
+#endif
+template<> inline bool VersionContainer<std::deque<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
+	if (V.end() == true)
+		return false;
+	_cont.push_back(V);
+	return true;
+}
+template<> inline bool VersionContainer<std::vector<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
+	if (V.end() == true)
+		return false;
+	_cont.push_back(V);
+	return true;
+}
 template<> inline void VersionContainer<std::list<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
 	for (const_iterator v = begin; v != end; ++v)
 		_cont.push_back(*v);
-};
+}
+#if __cplusplus >= 201103L
+template<> inline void VersionContainer<std::forward_list<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
+	for (const_iterator v = begin; v != end; ++v)
+		_cont.push_front(*v);
+}
+#endif
+template<> inline void VersionContainer<std::deque<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
+	for (const_iterator v = begin; v != end; ++v)
+		_cont.push_back(*v);
+}
+template<> inline void VersionContainer<std::vector<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
+	for (const_iterator v = begin; v != end; ++v)
+		_cont.push_back(*v);
+}
+#if APT_GCC_VERSION < 0x409
+template<> inline VersionContainer<std::set<pkgCache::VerIterator> >::iterator VersionContainer<std::set<pkgCache::VerIterator> >::erase(iterator i) {
+	_cont.erase(i._iter);
+	return end();
+}
+template<> inline VersionContainer<std::set<pkgCache::VerIterator> >::iterator VersionContainer<std::set<pkgCache::VerIterator> >::erase(iterator first, iterator last) {
+	_cont.erase(first, last);
+	return end();
+}
+#endif
+template<> template<class Compare> inline bool VersionContainer<std::vector<pkgCache::VerIterator> >::sort(Compare Comp) {
+	std::sort(_cont.begin(), _cont.end(), Comp);
+	return true;
+}
+template<> template<class Compare> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::sort(Compare Comp) {
+	_cont.sort(Comp);
+	return true;
+}
+#if __cplusplus >= 201103L
+template<> template<class Compare> inline bool VersionContainer<std::forward_list<pkgCache::VerIterator> >::sort(Compare Comp) {
+	_cont.sort(Comp);
+	return true;
+}
+#endif
+template<> template<class Compare> inline bool VersionContainer<std::deque<pkgCache::VerIterator> >::sort(Compare Comp) {
+	std::sort(_cont.begin(), _cont.end(), Comp);
+	return true;
+}
+									/*}}}*/
+
 typedef VersionContainer<std::set<pkgCache::VerIterator> > VersionSet;
+#if __cplusplus >= 201103L
+typedef VersionContainer<std::unordered_set<pkgCache::VerIterator> > VersionUnorderedSet;
+typedef VersionContainer<std::forward_list<pkgCache::VerIterator> > VersionForwardList;
+#endif
 typedef VersionContainer<std::list<pkgCache::VerIterator> > VersionList;
+typedef VersionContainer<std::deque<pkgCache::VerIterator> > VersionDeque;
+typedef VersionContainer<std::vector<pkgCache::VerIterator> > VersionVector;
 }
 #endif