+ struct Modifier {
+ unsigned short const ID;
+ const char * const Alias;
+ 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 Modifier(unsigned short const &id, const char * const alias, Position const &pos,
+ Version const &select) : ID(id), Alias(alias), Pos(pos),
+ SelectVersion((CacheSetHelper::VerSelector)select) {}
+APT_IGNORE_DEPRECATED_POP
+ };
+
+ static bool FromCommandLine(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ const char **cmdline, CacheSetHelper::VerSelector const fallback,
+ CacheSetHelper &helper);
+APT_IGNORE_DEPRECATED_PUSH
+ APT_DEPRECATED 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, CacheSetHelper::VerSelector const fallback, CacheSetHelper &helper,
+ bool const onlyFromName = false);
+APT_IGNORE_DEPRECATED_PUSH
+ APT_DEPRECATED 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, CacheSetHelper::VerSelector const fallback,
+ CacheSetHelper &helper);
+APT_IGNORE_DEPRECATED_PUSH
+ APT_DEPRECATED 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,
+ pkgCacheFile &Cache, const char * cmdline,
+ std::list<Modifier> const &mods,
+ CacheSetHelper &helper);
+
+
+ static bool FromDependency(VersionContainerInterface * const vci,
+ pkgCacheFile &Cache,
+ pkgCache::DepIterator const &D,
+ CacheSetHelper::VerSelector const selector,
+ CacheSetHelper &helper);
+APT_IGNORE_DEPRECATED_PUSH
+ APT_DEPRECATED 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 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 helper used in this container instance */
+ static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
+ /*}}}*/
+};
+ /*}}}*/
+template<class Container> class VersionContainer : public VersionContainerInterface {/*{{{*/
+/** \class APT::VersionContainer
+
+ Simple wrapper around a container class like std::set to provide a similar
+ interface to a set of versions as to the complete set of all versions in the
+ 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:
+ explicit 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:
+ explicit 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 typename 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(); }
+ size_t size() const { return _cont.size(); }
+ iterator erase( iterator pos ) { return iterator(_cont.erase(pos)); }
+ iterator erase( iterator first, iterator last ) { return iterator(_cont.erase(first, last)); }
+ size_t erase(pkgCache::VerIterator const & V) { size_t oldsize = size(); _cont.erase(std::remove(_cont.begin(), _cont.end(), V), _cont.end()); return oldsize - 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)); }
+
+ /** \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; }
+