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+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/** \file cacheset.h
+ Wrappers around std::set to have set::iterators which behave
+ similar to the Iterators of the cache structures.
+
+ Provides also a few helper methods which work with these sets */
+ /*}}}*/
+#ifndef APT_CACHESET_H
+#define APT_CACHESET_H
+// Include Files /*{{{*/
+#include <fstream>
+#include <map>
+#include <set>
+#if __cplusplus >= 201103L
+#include <forward_list>
+#include <initializer_list>
+#include <unordered_set>
+#endif
+#include <algorithm>
+#include <deque>
+#include <iterator>
+#include <list>
+#include <string>
+#include <vector>
+
+#include <cstddef>
+
+#include <apt-pkg/error.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+
+ /*}}}*/
+
+class pkgCacheFile;
+
+namespace APT {
+class PackageContainerInterface;
+class VersionContainerInterface;
+
+class APT_PUBLIC CacheSetHelper { /*{{{*/
+/** \class APT::CacheSetHelper
+ Simple base class with a lot of virtual methods which can be overridden
+ to alter the behavior or the output of the CacheSets.
+
+ This helper is passed around by the static methods in the CacheSets and
+ used every time they hit an error condition or something could be
+ printed out.
+*/
+public: /*{{{*/
+ CacheSetHelper(bool const ShowError = true,
+ GlobalError::MsgType ErrorType = GlobalError::ERROR);
+ virtual ~CacheSetHelper();
+
+ enum PkgSelector { UNKNOWN, REGEX, TASK, FNMATCH, PACKAGENAME, STRING, PATTERN };
+
+ 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);
+
+
+ /** \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);
+
+ /** \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);
+
+ /** \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);
+
+ /** \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);
+
+ // 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);
+
+ 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;
+ }
+ }
+
+ std::string getLastVersionMatcher() const;
+ void setLastVersionMatcher(std::string const &matcher);
+ /*}}}*/
+protected:
+ bool ShowError;
+ GlobalError::MsgType ErrorType;
+
+ pkgCache::VerIterator canNotGetInstCandVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ pkgCache::VerIterator canNotGetCandInstVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+
+ pkgCache::VerIterator canNotGetVerFromRelease(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, std::string const &release);
+ pkgCache::VerIterator canNotGetVerFromVersionNumber(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, std::string const &verstr);
+
+ 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);
+ bool PackageFromPattern(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern);
+private:
+ void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ void showFnmatchSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ void showPatternSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ void canNotFindTask(PackageContainerInterface *const pci, pkgCacheFile &Cache, std::string pattern);
+ void canNotFindRegEx(PackageContainerInterface *const pci, pkgCacheFile &Cache, std::string pattern);
+ void canNotFindFnmatch(PackageContainerInterface *const pci, pkgCacheFile &Cache, std::string pattern);
+ void canNotFindPackage(PackageContainerInterface *const pci, pkgCacheFile &Cache, std::string const &str);
+ void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver,
+ std::string const &ver, bool const verIsRel);
+ void canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ void canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ void canNotFindCandInstVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+
+ class Private;
+ Private * 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 Interface::template iterator_base<iterator_type>
+{
+protected:
+ container_iterator _iter;
+public:
+ using iterator_category = typename std::iterator_traits<container_iterator>::iterator_category;
+ using value_type = container_value;
+ using difference_type = std::ptrdiff_t;
+ using pointer = container_value*;
+ using reference = container_value&;
+ explicit Container_iterator_base(container_iterator const &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 const &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 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 APT_PUBLIC 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(); };
+ public:
+ 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(); }
+ 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 *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 pkgCache::Package const * operator->() const {return &*getType();}
+ };
+ /*}}}*/
+
+ virtual bool insert(pkgCache::PkgIterator const &P) = 0;
+ virtual bool empty() const = 0;
+ virtual void clear() = 0;
+ virtual size_t size() const = 0;
+
+ void setConstructor(CacheSetHelper::PkgSelector const by) { ConstructedBy = by; }
+ CacheSetHelper::PkgSelector getConstructor() const { return ConstructedBy; }
+ PackageContainerInterface();
+ explicit PackageContainerInterface(CacheSetHelper::PkgSelector const by);
+ PackageContainerInterface(PackageContainerInterface const &by);
+ PackageContainerInterface& operator=(PackageContainerInterface const &other);
+ virtual ~PackageContainerInterface();
+
+private:
+ CacheSetHelper::PkgSelector ConstructedBy;
+ void * const d;
+};
+ /*}}}*/
+template<class Container> class APT_PUBLIC PackageContainer : public PackageContainerInterface {/*{{{*/
+/** \class APT::PackageContainer
+
+ Simple wrapper around a container class like std::set to provide a similar
+ interface to a set of packages as to the complete set of all packages in the
+ pkgCache. */
+ Container _cont;
+public: /*{{{*/
+ /** \brief smell like a pkgCache::PkgIterator */
+ 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) {}
+ 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); }
+
+ /** \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 packages in the cache who belong to the given task
+
+ A simple helper responsible for search for all members of a task
+ in the cache. Optional it prints a notice about the
+ packages chosen cause of the given task.
+ \param Cache the packages are in
+ \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(CacheSetHelper::TASK);
+ helper.PackageFrom(CacheSetHelper::TASK, &cont, Cache, pattern);
+ return cont;
+ }
+ static PackageContainer FromTask(pkgCacheFile &Cache, std::string const &pattern) {
+ CacheSetHelper helper;
+ return FromTask(Cache, pattern, helper);
+ }
+
+ /** \brief returns all packages in the cache whose name matches a given pattern
+
+ A simple helper responsible for executing a regular expression on all
+ package names in the cache. Optional it prints a notice about the
+ packages chosen cause of the given package.
+ \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 const &pattern, CacheSetHelper &helper) {
+ PackageContainer cont(CacheSetHelper::REGEX);
+ helper.PackageFrom(CacheSetHelper::REGEX, &cont, Cache, pattern);
+ return cont;
+ }
+
+ static PackageContainer FromRegEx(pkgCacheFile &Cache, std::string const &pattern) {
+ CacheSetHelper helper;
+ 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);
+ }
+
+ /** \brief returns all packages specified by a string
+
+ \param Cache the packages are in
+ \param pattern String the package name(s) should be extracted from
+ \param helper responsible for error and message handling */
+ static PackageContainer FromString(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+ PackageContainer cont;
+ helper.PackageFrom(CacheSetHelper::PACKAGENAME, &cont, Cache, pattern);
+ return cont;
+ }
+ static PackageContainer FromString(pkgCacheFile &Cache, std::string const &pattern) {
+ CacheSetHelper helper;
+ return FromString(Cache, pattern, helper);
+ }
+
+ /** \brief returns all packages specified on the commandline
+
+ Get all package names from the commandline and executes regex's if needed.
+ No special package command is supported, just plain names.
+ \param Cache the packages are in
+ \param cmdline Command line the package names should be extracted from
+ \param helper responsible for error and message handling */
+ static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) {
+ PackageContainer cont;
+ helper.PackageFromCommandLine(&cont, Cache, cmdline);
+ return cont;
+ }
+ static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
+ CacheSetHelper helper;
+ return FromCommandLine(Cache, cmdline, helper);
+ }
+
+ /** \brief group packages by a action modifiers
+
+ At some point it is needed to get from the same commandline
+ different package sets grouped by a modifier. Take
+ apt-get install apt awesome-
+ as an example.
+ \param Cache the packages are in
+ \param cmdline Command line the package names should be extracted from
+ \param mods list of modifiers the method should accept
+ \param fallback the default modifier group for a package
+ \param helper responsible for error and message handling */
+ static std::map<unsigned short, PackageContainer> GroupedFromCommandLine(
+ pkgCacheFile &Cache,
+ const char **cmdline,
+ 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;
+ helper.PackageFromModifierCommandLine(modID, &pkgset, Cache, *I, mods);
+ pkgsets[modID].insert(pkgset);
+ }
+ return pkgsets;
+ }
+ static std::map<unsigned short, PackageContainer> GroupedFromCommandLine(
+ pkgCacheFile &Cache,
+ const char **cmdline,
+ std::list<CacheSetHelper::PkgModifier> const &mods,
+ unsigned short const &fallback) {
+ CacheSetHelper helper;
+ return GroupedFromCommandLine(Cache, cmdline,
+ mods, fallback, helper);
+ }
+ /*}}}*/
+}; /*}}}*/
+// 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);
+}
+#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 APT_PUBLIC VersionContainerInterface { /*{{{*/
+/** \class APT::VersionContainerInterface
+
+ Same as APT::PackageContainerInterface, just for Versions */
+public:
+ /** \brief smell like a pkgCache::VerIterator */
+ template<class Itr> class iterator_base { /*{{{*/
+ pkgCache::VerIterator getType() const { return static_cast<Itr const*>(this)->getType(); };
+ public:
+ 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 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;
+
+ 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) {}
+ };
+
+ static bool FromCommandLine(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ const char **cmdline, CacheSetHelper::VerSelector const fallback,
+ CacheSetHelper &helper);
+
+ static bool FromString(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ std::string pkg, CacheSetHelper::VerSelector const fallback, CacheSetHelper &helper,
+ bool const onlyFromName = false);
+
+ static bool FromPattern(VersionContainerInterface *const vci, pkgCacheFile &Cache,
+ std::string pkg, CacheSetHelper::VerSelector const fallback, CacheSetHelper &helper);
+
+ static bool FromPackage(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &P, CacheSetHelper::VerSelector const fallback,
+ CacheSetHelper &helper);
+
+ 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);
+
+ VersionContainerInterface();
+ VersionContainerInterface(VersionContainerInterface const &other);
+ 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 APT_PUBLIC 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: /*{{{*/
+
+ 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
+
+ Get all versions from the commandline, uses given default version if
+ 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,
+ 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,
+ CacheSetHelper::VerSelector const fallback) {
+ CacheSetHelper helper;
+ return FromCommandLine(Cache, cmdline, fallback, helper);
+ }
+ static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
+ return FromCommandLine(Cache, cmdline, CacheSetHelper::CANDINST);
+ }
+ static VersionContainer FromString(pkgCacheFile &Cache, std::string const &pkg,
+ 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,
+ CacheSetHelper::VerSelector const fallback) {
+ CacheSetHelper helper;
+ return FromString(Cache, pkg, fallback, helper);
+ }
+ static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg) {
+ return FromString(Cache, pkg, CacheSetHelper::CANDINST);
+ }
+
+
+ /** \brief returns all versions specified for the package
+
+ \param Cache the package and versions are in
+ \param P the package in question
+ \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,
+ 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,
+ CacheSetHelper::VerSelector const fallback) {
+ CacheSetHelper helper;
+ return FromPackage(Cache, P, fallback, helper);
+ }
+ static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P) {
+ return FromPackage(Cache, P, CacheSetHelper::CANDIDATE);
+ }
+
+ static std::map<unsigned short, VersionContainer> GroupedFromCommandLine(
+ pkgCacheFile &Cache,
+ const char **cmdline,
+ std::list<Modifier> const &mods,
+ unsigned short const fallback,
+ CacheSetHelper &helper) {
+ std::map<unsigned short, VersionContainer> versets;
+ for (const char **I = cmdline; *I != 0; ++I) {
+ unsigned short modID = fallback;
+ VersionContainer verset;
+ VersionContainerInterface::FromModifierCommandLine(modID, &verset, Cache, *I, mods, helper);
+ versets[modID].insert(verset);
+ }
+ return versets;
+
+ }
+ static std::map<unsigned short, VersionContainer> GroupedFromCommandLine(
+ pkgCacheFile &Cache, const char **cmdline,
+ std::list<Modifier> const &mods,
+ unsigned short const fallback) {
+ CacheSetHelper helper;
+ return GroupedFromCommandLine(Cache, cmdline,
+ mods, fallback, helper);
+ }
+
+ static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
+ 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);
+ }
+ static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D) {
+ 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);
+}
+#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