X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/1aa9b2974d33015102224ffb738b2e8e0a4bcb42..c307a4f0aa29c9c52a0e028524d21b448a53d09b:/apt-pkg/cacheset.h?ds=sidebyside diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h index c9d121083..6f0a0e358 100644 --- a/apt-pkg/cacheset.h +++ b/apt-pkg/cacheset.h @@ -14,57 +14,231 @@ #include #include #include +#include #include +#include -#include +#include #include + +#ifndef APT_8_CLEANER_HEADERS +#include +#endif /*}}}*/ -namespace APT { -class PackageSet : public std::set { /*{{{*/ -/** \class APT::PackageSet - Simple wrapper around a std::set to provide a similar interface to - a set of packages as to the complete set of all packages in the - pkgCache. */ +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: /*{{{*/ - /** \brief smell like a pkgCache::PkgIterator */ - class const_iterator : public std::set::const_iterator { + CacheSetHelper(bool const ShowError = true, + GlobalError::MsgType ErrorType = GlobalError::ERROR) : + ShowError(ShowError), ErrorType(ErrorType) {}; + virtual ~CacheSetHelper() {}; + + virtual void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern); + virtual void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern); + virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver, + std::string const &ver, bool const verIsRel); + + virtual void canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + virtual void canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern); + virtual void canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str); + + virtual void canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg); + virtual void canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + virtual void canNotFindCandInstVer(VersionContainerInterface * const vci, + pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + + virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str); + virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + virtual pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + + bool showErrors() const { return ShowError; }; + bool showErrors(bool const newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); }; + GlobalError::MsgType errorType() const { return ErrorType; }; + 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; +}; /*}}}*/ +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: + class const_iterator { /*{{{*/ public: - const_iterator(std::set::const_iterator x) : - std::set::const_iterator(x) {} - - operator pkgCache::PkgIterator(void) { return **this; } - - inline const char *Name() const {return (**this).Name(); } - inline std::string FullName(bool const &Pretty) const { return (**this).FullName(Pretty); } - inline std::string FullName() const { return (**this).FullName(); } - inline const char *Section() const {return (**this).Section(); } - inline bool Purge() const {return (**this).Purge(); } - inline const char *Arch() const {return (**this).Arch(); } - inline pkgCache::GrpIterator Group() const { return (**this).Group(); } - inline pkgCache::VerIterator VersionList() const { return (**this).VersionList(); } - inline pkgCache::VerIterator CurrentVer() const { return (**this).CurrentVer(); } - inline pkgCache::DepIterator RevDependsList() const { return (**this).RevDependsList(); } - inline pkgCache::PrvIterator ProvidesList() const { return (**this).ProvidesList(); } - inline pkgCache::PkgIterator::OkState State() const { return (**this).State(); } - inline const char *CandVersion() const { return (**this).CandVersion(); } - inline const char *CurVersion() const { return (**this).CurVersion(); } - inline pkgCache *Cache() const { return (**this).Cache(); }; - inline unsigned long Index() const {return (**this).Index();}; + virtual pkgCache::PkgIterator getPkg() const = 0; + operator pkgCache::PkgIterator(void) const { return getPkg(); } + + inline const char *Name() const {return getPkg().Name(); } + inline std::string FullName(bool const Pretty) const { return getPkg().FullName(Pretty); } + inline std::string FullName() const { return getPkg().FullName(); } + inline const char *Section() const {return getPkg().Section(); } + inline bool Purge() const {return getPkg().Purge(); } + inline const char *Arch() const {return getPkg().Arch(); } + inline pkgCache::GrpIterator Group() const { return getPkg().Group(); } + inline pkgCache::VerIterator VersionList() const { return getPkg().VersionList(); } + inline pkgCache::VerIterator CurrentVer() const { return getPkg().CurrentVer(); } + inline pkgCache::DepIterator RevDependsList() const { return getPkg().RevDependsList(); } + inline pkgCache::PrvIterator ProvidesList() const { return getPkg().ProvidesList(); } + inline pkgCache::PkgIterator::OkState State() const { return getPkg().State(); } + inline const char *CandVersion() const { return getPkg().CandVersion(); } + inline const char *CurVersion() const { return getPkg().CurVersion(); } + inline pkgCache *Cache() const { return getPkg().Cache(); }; + inline unsigned long Index() const {return getPkg().Index();}; // we have only valid iterators here inline bool end() const { return false; }; - friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, (*i)); } + inline pkgCache::Package const * operator->() const {return &*getPkg();}; + }; + /*}}}*/ + + virtual bool insert(pkgCache::PkgIterator const &P) = 0; + virtual bool empty() const = 0; + virtual void clear() = 0; + + enum Constructor { UNKNOWN, REGEX, TASK }; + virtual void setConstructor(Constructor const &con) = 0; + virtual Constructor getConstructor() const = 0; + + static bool FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper); + static bool FromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper); + static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper); + static bool FromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper); + static bool FromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper); + + struct Modifier { + enum Position { NONE, PREFIX, POSTFIX }; + unsigned short ID; + const char * const Alias; + Position Pos; + Modifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {}; + }; + + static bool FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci, + pkgCacheFile &Cache, const char * cmdline, + std::list const &mods, CacheSetHelper &helper); +}; + /*}}}*/ +template class PackageContainer : public PackageContainerInterface {/*{{{*/ +/** \class APT::PackageContainer - inline pkgCache::Package const * operator->() const { - return &***this; - }; + 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 */ + class const_iterator : public PackageContainerInterface::const_iterator,/*{{{*/ + public std::iterator { + typename Container::const_iterator _iter; + public: + const_iterator(typename Container::const_iterator i) : _iter(i) {} + pkgCache::PkgIterator getPkg(void) const { return *_iter; } + inline pkgCache::PkgIterator operator*(void) const { return *_iter; }; + operator typename Container::const_iterator(void) const { return _iter; } + inline const_iterator& operator++() { ++_iter; return *this; } + inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; } + inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; }; + inline bool operator==(const_iterator const &i) const { return _iter == i._iter; }; + friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); } + }; + class iterator : public PackageContainerInterface::const_iterator, + public std::iterator { + typename Container::iterator _iter; + public: + iterator(typename Container::iterator i) : _iter(i) {} + pkgCache::PkgIterator getPkg(void) const { return *_iter; } + inline pkgCache::PkgIterator operator*(void) const { return *_iter; }; + operator typename Container::iterator(void) const { return _iter; } + operator typename PackageContainer::const_iterator() { return PackageContainer::const_iterator(_iter); } + inline iterator& operator++() { ++_iter; return *this; } + inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; } + inline bool operator!=(iterator const &i) const { return _iter != i._iter; }; + inline bool operator==(iterator const &i) const { return _iter == i._iter; }; + inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; }; + inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; }; + friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); } }; - // 103. set::iterator is required to be modifiable, but this allows modification of keys - typedef typename APT::PackageSet::const_iterator iterator; + /*}}}*/ + + bool insert(pkgCache::PkgIterator const &P) { if (P.end() == true) return false; _cont.insert(P); return true; }; + template void insert(PackageContainer const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); }; + void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }; + + bool empty() const { return _cont.empty(); }; + void clear() { return _cont.clear(); }; + //FIXME: on ABI break, replace the first with the second without bool + void erase(iterator position) { _cont.erase((typename Container::iterator)position); }; + iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); }; + size_t erase(const pkgCache::PkgIterator x) { return _cont.erase(x); }; + void erase(iterator first, iterator last) { _cont.erase(first, last); }; + size_t size() const { return _cont.size(); }; + + const_iterator begin() const { return const_iterator(_cont.begin()); }; + const_iterator end() const { return const_iterator(_cont.end()); }; + iterator begin() { return iterator(_cont.begin()); }; + iterator end() { return iterator(_cont.end()); }; + const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); }; + + void setConstructor(Constructor const &by) { ConstructedBy = by; }; + Constructor getConstructor() const { return ConstructedBy; }; - using std::set::insert; - inline void insert(pkgCache::PkgIterator const &P) { if (P.end() == false) std::set::insert(P); }; + PackageContainer() : ConstructedBy(UNKNOWN) {}; + PackageContainer(Constructor const &by) : ConstructedBy(by) {}; + + /** \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 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(TASK); + PackageContainerInterface::FromTask(&cont, Cache, pattern, helper); + 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 matchs a given pattern @@ -73,22 +247,44 @@ public: /*{{{*/ packages chosen cause of the given package. \param Cache the packages are in \param pattern regular expression for package names - \param out stream to print the notice to */ - static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string pattern, std::ostream &out); - static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string const &pattern) { - std::ostream out (std::ofstream("/dev/null").rdbuf()); - return APT::PackageSet::FromRegEx(Cache, pattern, out); + \param helper responsible for error and message handling */ + static PackageContainer FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { + PackageContainer cont(REGEX); + PackageContainerInterface::FromRegEx(&cont, Cache, pattern, helper); + return cont; + } + + static PackageContainer FromRegEx(pkgCacheFile &Cache, std::string const &pattern) { + CacheSetHelper helper; + return FromRegEx(Cache, pattern, helper); + } + + /** \brief returns a package specified by a string + + \param Cache the package is in + \param pattern String the package name should be extracted from + \param helper responsible for error and message handling */ + static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) { + return PackageContainerInterface::FromName(Cache, pattern, helper); + } + static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern) { + CacheSetHelper helper; + return PackageContainerInterface::FromName(Cache, pattern, helper); } /** \brief returns all packages specified by a string \param Cache the packages are in - \param string String the package name(s) should be extracted from - \param out stream to print various notices to */ - static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string, std::ostream &out); - static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string) { - std::ostream out (std::ofstream("/dev/null").rdbuf()); - return APT::PackageSet::FromString(Cache, string, out); + \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; + PackageContainerInterface::FromString(&cont, Cache, pattern, helper); + 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 @@ -97,82 +293,115 @@ public: /*{{{*/ 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 out stream to print various notices to */ - static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, std::ostream &out); - static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { - std::ostream out (std::ofstream("/dev/null").rdbuf()); - return APT::PackageSet::FromCommandLine(Cache, cmdline, out); + \param helper responsible for error and message handling */ + static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) { + PackageContainer cont; + PackageContainerInterface::FromCommandLine(&cont, Cache, cmdline, helper); + return cont; + } + static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { + CacheSetHelper helper; + return FromCommandLine(Cache, cmdline, helper); } - struct Modifier { - enum Position { NONE, PREFIX, POSTFIX }; - unsigned short ID; - const char * const Alias; - Position Pos; - Modifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {}; - }; + /** \brief group packages by a action modifiers - static std::map GroupedFromCommandLine( - pkgCacheFile &Cache, const char **cmdline, - std::list const &mods, - unsigned short const &fallback, std::ostream &out); - static std::map GroupedFromCommandLine( - pkgCacheFile &Cache, const char **cmdline, - std::list const &mods, - unsigned short const &fallback) { - std::ostream out (std::ofstream("/dev/null").rdbuf()); - return APT::PackageSet::GroupedFromCommandLine(Cache, cmdline, - mods, fallback, out); + 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 GroupedFromCommandLine( + pkgCacheFile &Cache, + const char **cmdline, + std::list const &mods, + unsigned short const &fallback, + CacheSetHelper &helper) { + std::map pkgsets; + for (const char **I = cmdline; *I != 0; ++I) { + unsigned short modID = fallback; + PackageContainer pkgset; + PackageContainerInterface::FromModifierCommandLine(modID, &pkgset, Cache, *I, mods, helper); + pkgsets[modID].insert(pkgset); + } + return pkgsets; } + static std::map GroupedFromCommandLine( + pkgCacheFile &Cache, + const char **cmdline, + std::list const &mods, + unsigned short const &fallback) { + CacheSetHelper helper; + return GroupedFromCommandLine(Cache, cmdline, + mods, fallback, helper); + } + /*}}}*/ +private: /*{{{*/ + Constructor ConstructedBy; /*}}}*/ }; /*}}}*/ -class VersionSet : public std::set { /*{{{*/ -/** \class APT::VersionSet - Simple wrapper around a std::set to provide a similar interface to - a set of versions as to the complete set of all versions in the - pkgCache. */ -public: /*{{{*/ +template<> template void PackageContainer >::insert(PackageContainer const &pkgcont) { + for (typename PackageContainer::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p) + _cont.push_back(*p); +}; +// these two are 'inline' as otherwise the linker has problems with seeing these untemplated +// specializations again and again - but we need to see them, so that library users can use them +template<> inline bool PackageContainer >::insert(pkgCache::PkgIterator const &P) { + if (P.end() == true) + return false; + _cont.push_back(P); + return true; +}; +template<> inline void PackageContainer >::insert(const_iterator begin, const_iterator end) { + for (const_iterator p = begin; p != end; ++p) + _cont.push_back(*p); +}; +typedef PackageContainer > PackageSet; +typedef PackageContainer > PackageList; + +class VersionContainerInterface { /*{{{*/ +/** \class APT::VersionContainerInterface + + Same as APT::PackageContainerInterface, just for Versions */ +public: /** \brief smell like a pkgCache::VerIterator */ - class const_iterator : public std::set::const_iterator { + class const_iterator { /*{{{*/ public: - const_iterator(std::set::const_iterator x) : - std::set::const_iterator(x) {} - - operator pkgCache::VerIterator(void) { return **this; } - - inline pkgCache *Cache() const { return (**this).Cache(); }; - inline unsigned long Index() const {return (**this).Index();}; + virtual pkgCache::VerIterator getVer() const = 0; + operator pkgCache::VerIterator(void) { return getVer(); } + + inline pkgCache *Cache() const { return getVer().Cache(); }; + inline unsigned long Index() const {return getVer().Index();}; + inline int CompareVer(const pkgCache::VerIterator &B) const { return getVer().CompareVer(B); }; + inline const char *VerStr() const { return getVer().VerStr(); }; + inline const char *Section() const { return getVer().Section(); }; + inline const char *Arch() const { return getVer().Arch(); }; + inline pkgCache::PkgIterator ParentPkg() const { return getVer().ParentPkg(); }; + inline pkgCache::DescIterator DescriptionList() const { return getVer().DescriptionList(); }; + inline pkgCache::DescIterator TranslatedDescription() const { return getVer().TranslatedDescription(); }; + inline pkgCache::DepIterator DependsList() const { return getVer().DependsList(); }; + inline pkgCache::PrvIterator ProvidesList() const { return getVer().ProvidesList(); }; + inline pkgCache::VerFileIterator FileList() const { return getVer().FileList(); }; + inline bool Downloadable() const { return getVer().Downloadable(); }; + inline const char *PriorityType() const { return getVer().PriorityType(); }; + inline std::string RelStr() const { return getVer().RelStr(); }; + inline bool Automatic() const { return getVer().Automatic(); }; + inline pkgCache::VerFileIterator NewestFile() const { return getVer().NewestFile(); }; // we have only valid iterators here inline bool end() const { return false; }; - inline pkgCache::Version const * operator->() const { - return &***this; - }; - - inline int CompareVer(const pkgCache::VerIterator &B) const { return (**this).CompareVer(B); }; - inline const char *VerStr() const { return (**this).VerStr(); }; - inline const char *Section() const { return (**this).Section(); }; - inline const char *Arch() const { return (**this).Arch(); }; - inline const char *Arch(bool const pseudo) const { return (**this).Arch(pseudo); }; - inline pkgCache::PkgIterator ParentPkg() const { return (**this).ParentPkg(); }; - inline pkgCache::DescIterator DescriptionList() const { return (**this).DescriptionList(); }; - inline pkgCache::DescIterator TranslatedDescription() const { return (**this).TranslatedDescription(); }; - inline pkgCache::DepIterator DependsList() const { return (**this).DependsList(); }; - inline pkgCache::PrvIterator ProvidesList() const { return (**this).ProvidesList(); }; - inline pkgCache::VerFileIterator FileList() const { return (**this).FileList(); }; - inline bool Downloadable() const { return (**this).Downloadable(); }; - inline const char *PriorityType() const { return (**this).PriorityType(); }; - inline string RelStr() const { return (**this).RelStr(); }; - inline bool Automatic() const { return (**this).Automatic(); }; - inline bool Pseudo() const { return (**this).Pseudo(); }; - inline pkgCache::VerFileIterator NewestFile() const { return (**this).NewestFile(); }; + inline pkgCache::Version const * operator->() const { return &*getVer(); }; }; - // 103. set::iterator is required to be modifiable, but this allows modification of keys - typedef typename APT::VersionSet::const_iterator iterator; + /*}}}*/ - using std::set::insert; - inline void insert(pkgCache::VerIterator const &V) { if (V.end() == false) std::set::insert(V); }; + virtual bool insert(pkgCache::VerIterator const &V) = 0; + virtual bool empty() const = 0; + virtual void clear() = 0; /** \brief specifies which version(s) will be returned if non is given */ enum Version { @@ -192,48 +421,238 @@ public: /*{{{*/ NEWEST }; - /** \brief returns all versions specified on the commandline + struct Modifier { + enum Position { NONE, PREFIX, POSTFIX }; + unsigned short ID; + const char * const Alias; + Position Pos; + Version SelectVersion; + Modifier (unsigned short const &id, const char * const alias, Position const &pos, + Version const &select) : ID(id), Alias(alias), Pos(pos), + SelectVersion(select) {}; + }; + + static bool FromCommandLine(VersionContainerInterface * const vci, pkgCacheFile &Cache, + const char **cmdline, Version const &fallback, + CacheSetHelper &helper); + + static bool FromString(VersionContainerInterface * const vci, pkgCacheFile &Cache, + std::string pkg, Version const &fallback, CacheSetHelper &helper, + bool const onlyFromName = false); + + static bool FromPackage(VersionContainerInterface * const vci, pkgCacheFile &Cache, + pkgCache::PkgIterator const &P, Version const &fallback, + CacheSetHelper &helper); + + static bool FromModifierCommandLine(unsigned short &modID, + VersionContainerInterface * const vci, + pkgCacheFile &Cache, const char * cmdline, + std::list const &mods, + CacheSetHelper &helper); + + + static bool FromDependency(VersionContainerInterface * const vci, + pkgCacheFile &Cache, + pkgCache::DepIterator const &D, + Version const &selector, + CacheSetHelper &helper); - 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 out stream to print various notices to */ - static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, - APT::VersionSet::Version const &fallback, std::ostream &out); - static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, - APT::VersionSet::Version const &fallback) { - std::ostream out (std::ofstream("/dev/null").rdbuf()); - return APT::VersionSet::FromCommandLine(Cache, cmdline, fallback, out); - } - static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { - return APT::VersionSet::FromCommandLine(Cache, cmdline, CANDINST); - } - /*}}}*/ 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 AllowError add an error to the stack if not */ + \param Pkg we want the candidate version from this package */ static pkgCache::VerIterator getCandidateVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg, bool const &AllowError = false); + 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 AllowError add an error to the stack if not */ + \param Pkg we want the installed version from this package */ static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg, bool const &AllowError = false); + pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper); + /*}}}*/ +}; + /*}}}*/ +template class VersionContainer : public VersionContainerInterface {/*{{{*/ +/** \class APT::VersionContainer + + Simple wrapper around a container class like std::set to provide a similar + interface to a set of versions as to the complete set of all versions in the + pkgCache. */ + Container _cont; +public: /*{{{*/ + /** \brief smell like a pkgCache::VerIterator */ + class const_iterator : public VersionContainerInterface::const_iterator, + public std::iterator {/*{{{*/ + typename Container::const_iterator _iter; + public: + const_iterator(typename Container::const_iterator i) : _iter(i) {} + pkgCache::VerIterator getVer(void) const { return *_iter; } + inline pkgCache::VerIterator operator*(void) const { return *_iter; }; + operator typename Container::const_iterator(void) const { return _iter; } + inline const_iterator& operator++() { ++_iter; return *this; } + inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; } + inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; }; + inline bool operator==(const_iterator const &i) const { return _iter == i._iter; }; + friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); } + }; + class iterator : public VersionContainerInterface::const_iterator, + public std::iterator { + typename Container::iterator _iter; + public: + iterator(typename Container::iterator i) : _iter(i) {} + pkgCache::VerIterator getVer(void) const { return *_iter; } + inline pkgCache::VerIterator operator*(void) const { return *_iter; }; + operator typename Container::iterator(void) const { return _iter; } + operator typename VersionContainer::const_iterator() { return VersionContainer::const_iterator(_iter); } + inline iterator& operator++() { ++_iter; return *this; } + inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; } + inline bool operator!=(iterator const &i) const { return _iter != i._iter; }; + inline bool operator==(iterator const &i) const { return _iter == i._iter; }; + inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; }; + inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; }; + friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); } + }; + /*}}}*/ + + bool insert(pkgCache::VerIterator const &V) { if (V.end() == true) return false; _cont.insert(V); return true; }; + template void insert(VersionContainer const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); }; + void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }; + bool empty() const { return _cont.empty(); }; + void clear() { return _cont.clear(); }; + //FIXME: on ABI break, replace the first with the second without bool + void erase(iterator position) { _cont.erase((typename Container::iterator)position); }; + iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); }; + size_t erase(const pkgCache::VerIterator x) { return _cont.erase(x); }; + void erase(iterator first, iterator last) { _cont.erase(first, last); }; + size_t size() const { return _cont.size(); }; + + const_iterator begin() const { return const_iterator(_cont.begin()); }; + const_iterator end() const { return const_iterator(_cont.end()); }; + iterator begin() { return iterator(_cont.begin()); }; + iterator end() { return iterator(_cont.end()); }; + const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); }; + + /** \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 helper responsible for error and message handling */ + static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline, + Version const &fallback, CacheSetHelper &helper) { + VersionContainer vercon; + VersionContainerInterface::FromCommandLine(&vercon, Cache, cmdline, fallback, helper); + return vercon; + } + static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline, + Version const &fallback) { + CacheSetHelper helper; + return FromCommandLine(Cache, cmdline, fallback, helper); + } + static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { + return FromCommandLine(Cache, cmdline, CANDINST); + } + + 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, fallback, helper); + return vercon; + } + static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg, + Version const &fallback) { + CacheSetHelper helper; + return FromString(Cache, pkg, fallback, helper); + } + static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg) { + return FromString(Cache, pkg, 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, + Version const &fallback, CacheSetHelper &helper) { + VersionContainer vercon; + VersionContainerInterface::FromPackage(&vercon, Cache, P, fallback, helper); + return vercon; + } + static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, + Version const &fallback) { + CacheSetHelper helper; + return FromPackage(Cache, P, fallback, helper); + } + static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P) { + return FromPackage(Cache, P, CANDIDATE); + } + static std::map GroupedFromCommandLine( + pkgCacheFile &Cache, + const char **cmdline, + std::list const &mods, + unsigned short const fallback, + CacheSetHelper &helper) { + std::map 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 bool AddSelectedVersion(pkgCacheFile &Cache, VersionSet &verset, - pkgCache::PkgIterator const &P, VersionSet::Version const &fallback, - bool const &AllowError = false); + } + static std::map GroupedFromCommandLine( + pkgCacheFile &Cache, const char **cmdline, + std::list const &mods, + unsigned short const fallback) { + CacheSetHelper helper; + return GroupedFromCommandLine(Cache, cmdline, + mods, fallback, helper); + } + static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D, + Version const &selector, CacheSetHelper &helper) { + VersionContainer vercon; + VersionContainerInterface::FromDependency(&vercon, Cache, D, selector, helper); + return vercon; + } + static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D, + Version const &selector) { + CacheSetHelper helper; + return FromPackage(Cache, D, selector, helper); + } + static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D) { + return FromPackage(Cache, D, CANDIDATE); + } /*}}}*/ }; /*}}}*/ + +template<> template void VersionContainer >::insert(VersionContainer const &vercont) { + for (typename VersionContainer::const_iterator v = vercont.begin(); v != vercont.end(); ++v) + _cont.push_back(*v); +}; +// these two are 'inline' as otherwise the linker has problems with seeing these untemplated +// specializations again and again - but we need to see them, so that library users can use them +template<> inline bool VersionContainer >::insert(pkgCache::VerIterator const &V) { + if (V.end() == true) + return false; + _cont.push_back(V); + return true; +}; +template<> inline void VersionContainer >::insert(const_iterator begin, const_iterator end) { + for (const_iterator v = begin; v != end; ++v) + _cont.push_back(*v); +}; +typedef VersionContainer > VersionSet; +typedef VersionContainer > VersionList; } #endif