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Diffstat (limited to '')
| -rw-r--r-- | apt-pkg/cacheset.h | 1229 |
1 files changed, 1229 insertions, 0 deletions
diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h new file mode 100644 index 0000000..b00fc73 --- /dev/null +++ b/apt-pkg/cacheset.h @@ -0,0 +1,1229 @@ +// -*- 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 <stddef.h> + +#include <apt-pkg/error.h> +#include <apt-pkg/macros.h> +#include <apt-pkg/pkgcache.h> + +#ifndef APT_8_CLEANER_HEADERS +#include <apt-pkg/cachefile.h> +#endif +#ifndef APT_10_CLEANER_HEADERS +#include <iostream> +#endif + /*}}}*/ + +class pkgCacheFile; + +namespace APT { +class PackageContainerInterface; +class VersionContainerInterface; + +class 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 }; + + virtual bool PackageFrom(enum PkgSelector const select, PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern); + + virtual bool PackageFromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline); + + struct PkgModifier { + enum Position { NONE, PREFIX, POSTFIX }; + unsigned short ID; + const char * const Alias; + Position Pos; + PkgModifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {} + }; + virtual bool PackageFromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci, + pkgCacheFile &Cache, const char * cmdline, + std::list<PkgModifier> const &mods); + + APT_DEPRECATED_MSG("use .PackageFrom(PACKAGENAME, …) instead") pkgCache::PkgIterator PackageFromName(pkgCacheFile &Cache, std::string const &pattern); + + /** \brief be notified about the package being selected via pattern + * + * Main use is probably to show a message to the user what happened + * + * \param pkg is the package which was selected + * \param select is the selection method which choose the package + * \param pattern is the string used by the selection method to pick the package + */ + virtual void showPackageSelection(pkgCache::PkgIterator const &pkg, PkgSelector const select, std::string const &pattern); + // use the method above instead, react only on the type you need and let the base handle the rest if need be + // this allows us to add new selection methods without breaking the ABI constantly with new virtual methods + APT_DEPRECATED_MSG("override .showPackageSelection and select with switch") virtual void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern); + APT_DEPRECATED_MSG("override .showPackageSelection and select with switch") virtual void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern); + APT_DEPRECATED_MSG("override .showPackageSelection and select with switch") virtual void showFnmatchSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern); + + /** \brief be notified if a package can't be found via pattern + * + * Can be used to show a message as well as to try something else to make it match + * + * \param select is the method tried for selection + * \param pci is the container the package should be inserted in + * \param Cache is the package universe available + * \param pattern is the string not matching anything + */ + virtual void canNotFindPackage(enum PkgSelector const select, PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern); + // same as above for showPackageSelection + APT_DEPRECATED_MSG("override .canNotFindPackage and select with switch") virtual void canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + APT_DEPRECATED_MSG("override .canNotFindPackage and select with switch") virtual void canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + APT_DEPRECATED_MSG("override .canNotFindPackage and select with switch") virtual void canNotFindFnmatch(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + APT_DEPRECATED_MSG("override .canNotFindPackage and select with switch") virtual void canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str); + + /** \brief specifies which version(s) we want to refer to */ + enum VerSelector { + /** by release string */ + RELEASE, + /** by version number string */ + VERSIONNUMBER, + /** All versions */ + ALL, + /** Candidate and installed version */ + CANDANDINST, + /** Candidate version */ + CANDIDATE, + /** Installed version */ + INSTALLED, + /** Candidate or if non installed version */ + CANDINST, + /** Installed or if non candidate version */ + INSTCAND, + /** Newest version */ + NEWEST + }; + + /** \brief be notified about the version being selected via pattern + * + * Main use is probably to show a message to the user what happened + * Note that at the moment this method is only called for RELEASE + * and VERSION selections, not for the others. + * + * \param Pkg is the package which was selected for + * \param Ver is the version selected + * \param select is the selection method which choose the version + * \param pattern is the string used by the selection method to pick the version + */ + virtual void showVersionSelection(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const &Ver, + enum VerSelector const select, std::string const &pattern); + APT_DEPRECATED_MSG("use .showVersionSelection instead, similar to .showPackageSelection") virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver, + std::string const &ver, bool const verIsRel); + + /** \brief be notified if a version can't be found for a package + * + * Main use is probably to show a message to the user what happened + * + * \param select is the method tried for selection + * \param vci is the container the version should be inserted in + * \param Cache is the package universe available + * \param Pkg is the package we wanted a version from + */ + virtual void canNotFindVersion(enum VerSelector const select, VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg); + APT_DEPRECATED_MSG("override .canNotFindVersion and select via switch") virtual void canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg); + APT_DEPRECATED_MSG("override .canNotFindVersion and select via switch") virtual void canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + APT_DEPRECATED_MSG("override .canNotFindVersion and select via switch") virtual void canNotFindCandInstVer(VersionContainerInterface * const vci, + pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + + // the difference between canNotFind and canNotGet is that the later is more low-level + // and called from other places: In this case looking into the code is the only real answer… + virtual pkgCache::VerIterator canNotGetVersion(enum VerSelector const select, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg); + APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + APT_DEPRECATED_MSG("override .canNotGetVersion and select via switch") virtual pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + + virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str); + + bool showErrors() const { return ShowError; } + bool showErrors(bool const newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); } + GlobalError::MsgType errorType() const { return ErrorType; } + GlobalError::MsgType errorType(GlobalError::MsgType const &newValue) + { + if (ErrorType == newValue) return ErrorType; + else { + GlobalError::MsgType const &oldValue = ErrorType; + ErrorType = newValue; + return oldValue; + } + } + + /*}}}*/ +protected: + bool ShowError; + GlobalError::MsgType ErrorType; + + pkgCache::VerIterator canNotGetInstCandVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + pkgCache::VerIterator canNotGetCandInstVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + + bool PackageFromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + bool PackageFromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + bool PackageFromFnmatch(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + bool PackageFromPackageName(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + bool PackageFromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern); +private: + void * const d; +}; /*}}}*/ +// Iterator templates for our Containers /*{{{*/ +template<typename Interface, typename Master, typename iterator_type, typename container_iterator, typename container_value> class Container_iterator_base : + public std::iterator<typename std::iterator_traits<container_iterator>::iterator_category, container_value>, + public Interface::template iterator_base<iterator_type> +{ +protected: + container_iterator _iter; +public: + explicit Container_iterator_base(container_iterator i) : _iter(i) {} + inline container_value operator*(void) const { return static_cast<iterator_type const*>(this)->getType(); }; + operator container_iterator(void) const { return _iter; } + inline iterator_type& operator++() { ++_iter; return static_cast<iterator_type&>(*this); } + inline iterator_type operator++(int) { iterator_type tmp(*this); operator++(); return tmp; } + inline iterator_type operator+(typename container_iterator::difference_type const &n) { return iterator_type(_iter + n); } + inline iterator_type operator+=(typename container_iterator::difference_type const &n) { _iter += n; return static_cast<iterator_type&>(*this); } + inline iterator_type& operator--() { --_iter;; return static_cast<iterator_type&>(*this); } + inline iterator_type operator--(int) { iterator_type tmp(*this); operator--(); return tmp; } + inline iterator_type operator-(typename container_iterator::difference_type const &n) { return iterator_type(_iter - n); } + inline typename container_iterator::difference_type operator-(iterator_type const &b) { return (_iter - b._iter); } + inline iterator_type operator-=(typename container_iterator::difference_type const &n) { _iter -= n; return static_cast<iterator_type&>(*this); } + inline bool operator!=(iterator_type const &i) const { return _iter != i._iter; } + inline bool operator==(iterator_type const &i) const { return _iter == i._iter; } + inline bool operator<(iterator_type const &i) const { return _iter < i._iter; } + inline bool operator>(iterator_type const &i) const { return _iter > i._iter; } + inline bool operator<=(iterator_type const &i) const { return _iter <= i._iter; } + inline bool operator>=(iterator_type const &i) const { return _iter >= i._iter; } + inline typename container_iterator::reference operator[](typename container_iterator::difference_type const &n) const { return _iter[n]; } + + friend std::ostream& operator<<(std::ostream& out, iterator_type i) { return operator<<(out, *i); } + friend Master; +}; +template<class Interface, class Container, class Master> class Container_const_iterator : + public Container_iterator_base<Interface, Master, Container_const_iterator<Interface, Container, Master>, typename Container::const_iterator, typename Container::value_type> +{ + typedef Container_const_iterator<Interface, Container, Master> iterator_type; + typedef typename Container::const_iterator container_iterator; +public: + explicit Container_const_iterator(container_iterator i) : + Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {} + + inline typename Container::value_type getType(void) const { return *this->_iter; } +}; +template<class Interface, class Container, class Master> class Container_iterator : + public Container_iterator_base<Interface, Master, Container_iterator<Interface, Container, Master>, typename Container::iterator, typename Container::value_type> +{ + typedef Container_iterator<Interface, Container, Master> iterator_type; + typedef typename Container::iterator container_iterator; +public: + explicit Container_iterator(container_iterator i) : + Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {} + + operator typename Master::const_iterator() { return typename Master::const_iterator(this->_iter); } + inline iterator_type& operator=(iterator_type const &i) { this->_iter = i._iter; return static_cast<iterator_type&>(*this); } + inline iterator_type& operator=(container_iterator const &i) { this->_iter = i; return static_cast<iterator_type&>(*this); } + inline typename Container::iterator::reference operator*(void) const { return *this->_iter; } + + inline typename Container::value_type getType(void) const { return *this->_iter; } +}; +template<class Interface, class Container, class Master> class Container_const_reverse_iterator : + public Container_iterator_base<Interface, Master, Container_const_reverse_iterator<Interface, Container, Master>, typename Container::const_reverse_iterator, typename Container::value_type> +{ + typedef Container_const_reverse_iterator<Interface, Container, Master> iterator_type; + typedef typename Container::const_reverse_iterator container_iterator; +public: + explicit Container_const_reverse_iterator(container_iterator i) : + Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {} + + inline typename Container::value_type getType(void) const { return *this->_iter; } +}; +template<class Interface, class Container, class Master> class Container_reverse_iterator : + public Container_iterator_base<Interface, Master, Container_reverse_iterator<Interface, Container, Master>, typename Container::reverse_iterator, typename Container::value_type> +{ + typedef Container_reverse_iterator<Interface, Container, Master> iterator_type; + typedef typename Container::reverse_iterator container_iterator; +public: + explicit Container_reverse_iterator(container_iterator i) : + Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {} + + operator typename Master::const_iterator() { return typename Master::const_iterator(this->_iter); } + inline iterator_type& operator=(iterator_type const &i) { this->_iter = i._iter; return static_cast<iterator_type&>(*this); } + inline iterator_type& operator=(container_iterator const &i) { this->_iter = i; return static_cast<iterator_type&>(*this); } + inline typename Container::reverse_iterator::reference operator*(void) const { return *this->_iter; } + + inline typename Container::value_type getType(void) const { return *this->_iter; } +}; + /*}}}*/ +class PackageContainerInterface { /*{{{*/ +/** \class PackageContainerInterface + + * Interface ensuring that all operations can be executed on the yet to + * define concrete PackageContainer - access to all methods is possible, + * but in general the wrappers provided by the PackageContainer template + * are nicer to use. + + * This class mostly protects use from the need to write all implementation + * of the methods working on containers in the template */ +public: + template<class Itr> class iterator_base { /*{{{*/ + pkgCache::PkgIterator getType() const { return static_cast<Itr const*>(this)->getType(); }; + 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(); } + 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(); } + APT_DEPRECATED_MSG("This method does not respect apt_preferences! Use pkgDepCache::GetCandidateVersion(Pkg)") 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 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; + + 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 {/*{{{*/ +/** \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) {} +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); } + + /** \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); + } + +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 */ + 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.PackageFromName instead") static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern) { + CacheSetHelper helper; + return FromName(Cache, pattern, helper); + } +APT_IGNORE_DEPRECATED_POP + + /** \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 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; + + /** \brief specifies which version(s) will be returned if non is given */ + 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 { + 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_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((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_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, 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, 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, + 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_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 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: /*{{{*/ + + 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); + } +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 + + \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); + } +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, 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); + } +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 FromDependency(Cache, D, (CacheSetHelper::VerSelector)selector, helper); + } +APT_IGNORE_DEPRECATED_POP + 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 |