From 8fde723961709118837153cdf94f150c680e10e9 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Sat, 17 Jul 2010 20:04:44 +0200 Subject: * apt-pkg/cacheset.cc: - move them back to the library as they look stable now --- apt-pkg/cacheset.cc | 506 ++++++++++++++++++++++++++++++++++++++++++++++++++ apt-pkg/cacheset.h | 375 +++++++++++++++++++++++++++++++++++++ apt-pkg/makefile | 4 +- cmdline/apt-cache.cc | 3 +- cmdline/apt-get.cc | 2 +- cmdline/cacheset.cc | 507 --------------------------------------------------- cmdline/cacheset.h | 375 ------------------------------------- cmdline/makefile | 4 +- debian/changelog | 4 +- 9 files changed, 890 insertions(+), 890 deletions(-) create mode 100644 apt-pkg/cacheset.cc create mode 100644 apt-pkg/cacheset.h delete mode 100644 cmdline/cacheset.cc delete mode 100644 cmdline/cacheset.h diff --git a/apt-pkg/cacheset.cc b/apt-pkg/cacheset.cc new file mode 100644 index 000000000..df7e99fd0 --- /dev/null +++ b/apt-pkg/cacheset.cc @@ -0,0 +1,506 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + Simple wrapper around a std::set to provide a similar interface to + a set of cache structures as to the complete set of all structures + in the pkgCache. Currently only Package is supported. + + ##################################################################### */ + /*}}}*/ +// Include Files /*{{{*/ +#include +#include +#include +#include +#include +#include + +#include + +#include + +#include + /*}}}*/ +namespace APT { +// FromTask - Return all packages in the cache from a specific task /*{{{*/ +PackageSet PackageSet::FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { + size_t const archfound = pattern.find_last_of(':'); + std::string arch = "native"; + if (archfound != std::string::npos) { + arch = pattern.substr(archfound+1); + pattern.erase(archfound); + } + + if (pattern[pattern.length() -1] != '^') + return APT::PackageSet(TASK); + pattern.erase(pattern.length()-1); + + if (unlikely(Cache.GetPkgCache() == 0 || Cache.GetDepCache() == 0)) + return APT::PackageSet(TASK); + + PackageSet pkgset(TASK); + // get the records + pkgRecords Recs(Cache); + + // build regexp for the task + regex_t Pattern; + char S[300]; + snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", pattern.c_str()); + if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0) { + _error->Error("Failed to compile task regexp"); + return pkgset; + } + + for (pkgCache::GrpIterator Grp = Cache->GrpBegin(); Grp.end() == false; ++Grp) { + pkgCache::PkgIterator Pkg = Grp.FindPkg(arch); + if (Pkg.end() == true) + continue; + pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache); + if(ver.end() == true) + continue; + + pkgRecords::Parser &parser = Recs.Lookup(ver.FileList()); + const char *start, *end; + parser.GetRec(start,end); + unsigned int const length = end - start; + char buf[length]; + strncpy(buf, start, length); + buf[length-1] = '\0'; + if (regexec(&Pattern, buf, 0, 0, 0) != 0) + continue; + + pkgset.insert(Pkg); + } + regfree(&Pattern); + + if (pkgset.empty() == true) + return helper.canNotFindTask(Cache, pattern); + + helper.showTaskSelection(pkgset, pattern); + return pkgset; +} + /*}}}*/ +// FromRegEx - Return all packages in the cache matching a pattern /*{{{*/ +PackageSet PackageSet::FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { + static const char * const isregex = ".?+*|[^$"; + if (pattern.find_first_of(isregex) == std::string::npos) + return PackageSet(REGEX); + + size_t archfound = pattern.find_last_of(':'); + std::string arch = "native"; + if (archfound != std::string::npos) { + arch = pattern.substr(archfound+1); + if (arch.find_first_of(isregex) == std::string::npos) + pattern.erase(archfound); + else + arch = "native"; + } + + if (unlikely(Cache.GetPkgCache() == 0)) + return PackageSet(REGEX); + + APT::CacheFilter::PackageNameMatchesRegEx regexfilter(pattern); + + PackageSet pkgset(REGEX); + for (pkgCache::GrpIterator Grp = Cache.GetPkgCache()->GrpBegin(); Grp.end() == false; ++Grp) { + if (regexfilter(Grp) == false) + continue; + pkgCache::PkgIterator Pkg = Grp.FindPkg(arch); + if (Pkg.end() == true) { + if (archfound == std::string::npos) { + std::vector archs = APT::Configuration::getArchitectures(); + for (std::vector::const_iterator a = archs.begin(); + a != archs.end() && Pkg.end() != true; ++a) + Pkg = Grp.FindPkg(*a); + } + if (Pkg.end() == true) + continue; + } + + pkgset.insert(Pkg); + } + + if (pkgset.empty() == true) + return helper.canNotFindRegEx(Cache, pattern); + + helper.showRegExSelection(pkgset, pattern); + return pkgset; +} + /*}}}*/ +// FromName - Returns the package defined by this string /*{{{*/ +pkgCache::PkgIterator PackageSet::FromName(pkgCacheFile &Cache, + std::string const &str, CacheSetHelper &helper) { + std::string pkg = str; + size_t archfound = pkg.find_last_of(':'); + std::string arch; + if (archfound != std::string::npos) { + arch = pkg.substr(archfound+1); + pkg.erase(archfound); + } + + if (Cache.GetPkgCache() == 0) + return pkgCache::PkgIterator(Cache, 0); + + pkgCache::PkgIterator Pkg(Cache, 0); + if (arch.empty() == true) { + pkgCache::GrpIterator Grp = Cache.GetPkgCache()->FindGrp(pkg); + if (Grp.end() == false) + Pkg = Grp.FindPreferredPkg(); + } else + Pkg = Cache.GetPkgCache()->FindPkg(pkg, arch); + + if (Pkg.end() == true) + return helper.canNotFindPkgName(Cache, str); + return Pkg; +} + /*}}}*/ +// GroupedFromCommandLine - Return all versions specified on commandline/*{{{*/ +std::map PackageSet::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; + std::string str = *I; + bool modifierPresent = false; + for (std::list::const_iterator mod = mods.begin(); + mod != mods.end(); ++mod) { + size_t const alength = strlen(mod->Alias); + switch(mod->Pos) { + case PackageSet::Modifier::POSTFIX: + if (str.compare(str.length() - alength, alength, + mod->Alias, 0, alength) != 0) + continue; + str.erase(str.length() - alength); + modID = mod->ID; + break; + case PackageSet::Modifier::PREFIX: + continue; + case PackageSet::Modifier::NONE: + continue; + } + modifierPresent = true; + break; + } + if (modifierPresent == true) { + bool const errors = helper.showErrors(false); + pkgCache::PkgIterator Pkg = FromName(Cache, *I, helper); + helper.showErrors(errors); + if (Pkg.end() == false) { + pkgsets[fallback].insert(Pkg); + continue; + } + } + pkgsets[modID].insert(PackageSet::FromString(Cache, str, helper)); + } + return pkgsets; +} + /*}}}*/ +// FromCommandLine - Return all packages specified on commandline /*{{{*/ +PackageSet PackageSet::FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) { + PackageSet pkgset; + for (const char **I = cmdline; *I != 0; ++I) { + PackageSet pset = FromString(Cache, *I, helper); + pkgset.insert(pset.begin(), pset.end()); + } + return pkgset; +} + /*}}}*/ +// FromString - Return all packages matching a specific string /*{{{*/ +PackageSet PackageSet::FromString(pkgCacheFile &Cache, std::string const &str, CacheSetHelper &helper) { + _error->PushToStack(); + + PackageSet pkgset; + pkgCache::PkgIterator Pkg = FromName(Cache, str, helper); + if (Pkg.end() == false) + pkgset.insert(Pkg); + else { + pkgset = FromTask(Cache, str, helper); + if (pkgset.empty() == true) { + pkgset = FromRegEx(Cache, str, helper); + if (pkgset.empty() == true) + pkgset = helper.canNotFindPackage(Cache, str); + } + } + + if (pkgset.empty() == false) + _error->RevertToStack(); + else + _error->MergeWithStack(); + return pkgset; +} + /*}}}*/ +// GroupedFromCommandLine - Return all versions specified on commandline/*{{{*/ +std::map VersionSet::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; + VersionSet::Version select = VersionSet::NEWEST; + std::string str = *I; + bool modifierPresent = false; + for (std::list::const_iterator mod = mods.begin(); + mod != mods.end(); ++mod) { + if (modID == fallback && mod->ID == fallback) + select = mod->SelectVersion; + size_t const alength = strlen(mod->Alias); + switch(mod->Pos) { + case VersionSet::Modifier::POSTFIX: + if (str.compare(str.length() - alength, alength, + mod->Alias, 0, alength) != 0) + continue; + str.erase(str.length() - alength); + modID = mod->ID; + select = mod->SelectVersion; + break; + case VersionSet::Modifier::PREFIX: + continue; + case VersionSet::Modifier::NONE: + continue; + } + modifierPresent = true; + break; + } + + if (modifierPresent == true) { + bool const errors = helper.showErrors(false); + VersionSet const vset = VersionSet::FromString(Cache, std::string(*I), select, helper, true); + helper.showErrors(errors); + if (vset.empty() == false) { + versets[fallback].insert(vset); + continue; + } + } + versets[modID].insert(VersionSet::FromString(Cache, str, select , helper)); + } + return versets; +} + /*}}}*/ +// FromCommandLine - Return all versions specified on commandline /*{{{*/ +APT::VersionSet VersionSet::FromCommandLine(pkgCacheFile &Cache, const char **cmdline, + APT::VersionSet::Version const &fallback, CacheSetHelper &helper) { + VersionSet verset; + for (const char **I = cmdline; *I != 0; ++I) + verset.insert(VersionSet::FromString(Cache, *I, fallback, helper)); + return verset; +} + /*}}}*/ +// FromString - Returns all versions spedcified by a string /*{{{*/ +APT::VersionSet VersionSet::FromString(pkgCacheFile &Cache, std::string pkg, + APT::VersionSet::Version const &fallback, CacheSetHelper &helper, + bool const &onlyFromName) { + std::string ver; + bool verIsRel = false; + size_t const vertag = pkg.find_last_of("/="); + if (vertag != string::npos) { + ver = pkg.substr(vertag+1); + verIsRel = (pkg[vertag] == '/'); + pkg.erase(vertag); + } + PackageSet pkgset; + if (onlyFromName == false) + pkgset = PackageSet::FromString(Cache, pkg, helper); + else { + pkgset.insert(PackageSet::FromName(Cache, pkg, helper)); + } + + VersionSet verset; + bool errors = true; + if (pkgset.getConstructor() != PackageSet::UNKNOWN) + errors = helper.showErrors(false); + for (PackageSet::const_iterator P = pkgset.begin(); + P != pkgset.end(); ++P) { + if (vertag == string::npos) { + verset.insert(VersionSet::FromPackage(Cache, P, fallback, helper)); + continue; + } + pkgCache::VerIterator V; + if (ver == "installed") + V = getInstalledVer(Cache, P, helper); + else if (ver == "candidate") + V = getCandidateVer(Cache, P, helper); + else { + pkgVersionMatch Match(ver, (verIsRel == true ? pkgVersionMatch::Release : + pkgVersionMatch::Version)); + V = Match.Find(P); + if (V.end() == true) { + if (verIsRel == true) + _error->Error(_("Release '%s' for '%s' was not found"), + ver.c_str(), P.FullName(true).c_str()); + else + _error->Error(_("Version '%s' for '%s' was not found"), + ver.c_str(), P.FullName(true).c_str()); + continue; + } + } + if (V.end() == true) + continue; + helper.showSelectedVersion(P, V, ver, verIsRel); + verset.insert(V); + } + if (pkgset.getConstructor() != PackageSet::UNKNOWN) + helper.showErrors(errors); + return verset; +} + /*}}}*/ +// FromPackage - versions from package based on fallback /*{{{*/ +VersionSet VersionSet::FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, + VersionSet::Version const &fallback, CacheSetHelper &helper) { + VersionSet verset; + pkgCache::VerIterator V; + bool showErrors; + switch(fallback) { + case VersionSet::ALL: + if (P->VersionList != 0) + for (V = P.VersionList(); V.end() != true; ++V) + verset.insert(V); + else + verset.insert(helper.canNotFindAllVer(Cache, P)); + break; + case VersionSet::CANDANDINST: + verset.insert(getInstalledVer(Cache, P, helper)); + verset.insert(getCandidateVer(Cache, P, helper)); + break; + case VersionSet::CANDIDATE: + verset.insert(getCandidateVer(Cache, P, helper)); + break; + case VersionSet::INSTALLED: + verset.insert(getInstalledVer(Cache, P, helper)); + break; + case VersionSet::CANDINST: + showErrors = helper.showErrors(false); + V = getCandidateVer(Cache, P, helper); + if (V.end() == true) + V = getInstalledVer(Cache, P, helper); + helper.showErrors(showErrors); + if (V.end() == false) + verset.insert(V); + else + verset.insert(helper.canNotFindInstCandVer(Cache, P)); + break; + case VersionSet::INSTCAND: + showErrors = helper.showErrors(false); + V = getInstalledVer(Cache, P, helper); + if (V.end() == true) + V = getCandidateVer(Cache, P, helper); + helper.showErrors(showErrors); + if (V.end() == false) + verset.insert(V); + else + verset.insert(helper.canNotFindInstCandVer(Cache, P)); + break; + case VersionSet::NEWEST: + if (P->VersionList != 0) + verset.insert(P.VersionList()); + else + verset.insert(helper.canNotFindNewestVer(Cache, P)); + break; + } + return verset; +} + /*}}}*/ +// getCandidateVer - Returns the candidate version of the given package /*{{{*/ +pkgCache::VerIterator VersionSet::getCandidateVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) { + pkgCache::VerIterator Cand; + if (Cache.IsPolicyBuilt() == true || Cache.IsDepCacheBuilt() == false) + { + if (unlikely(Cache.GetPolicy() == 0)) + return pkgCache::VerIterator(Cache); + Cand = Cache.GetPolicy()->GetCandidateVer(Pkg); + } else { + Cand = Cache[Pkg].CandidateVerIter(Cache); + } + if (Cand.end() == true) + return helper.canNotFindCandidateVer(Cache, Pkg); + return Cand; +} + /*}}}*/ +// getInstalledVer - Returns the installed version of the given package /*{{{*/ +pkgCache::VerIterator VersionSet::getInstalledVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) { + if (Pkg->CurrentVer == 0) + return helper.canNotFindInstalledVer(Cache, Pkg); + return Pkg.CurrentVer(); +} + /*}}}*/ +// canNotFindPkgName - handle the case no package has this name /*{{{*/ +pkgCache::PkgIterator CacheSetHelper::canNotFindPkgName(pkgCacheFile &Cache, + std::string const &str) { + if (ShowError == true) + _error->Error(_("Unable to locate package %s"), str.c_str()); + return pkgCache::PkgIterator(Cache, 0); +} + /*}}}*/ +// canNotFindTask - handle the case no package is found for a task /*{{{*/ +PackageSet CacheSetHelper::canNotFindTask(pkgCacheFile &Cache, std::string pattern) { + if (ShowError == true) + _error->Error(_("Couldn't find task '%s'"), pattern.c_str()); + return PackageSet(); +} + /*}}}*/ +// canNotFindRegEx - handle the case no package is found by a regex /*{{{*/ +PackageSet CacheSetHelper::canNotFindRegEx(pkgCacheFile &Cache, std::string pattern) { + if (ShowError == true) + _error->Error(_("Couldn't find any package by regex '%s'"), pattern.c_str()); + return PackageSet(); +} + /*}}}*/ +// canNotFindPackage - handle the case no package is found from a string/*{{{*/ +PackageSet CacheSetHelper::canNotFindPackage(pkgCacheFile &Cache, std::string const &str) { + return PackageSet(); +} + /*}}}*/ +// canNotFindAllVer /*{{{*/ +VersionSet CacheSetHelper::canNotFindAllVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg) { + if (ShowError == true) + _error->Error(_("Can't select versions from package '%s' as it purely virtual"), Pkg.FullName(true).c_str()); + return VersionSet(); +} + /*}}}*/ +// canNotFindInstCandVer /*{{{*/ +VersionSet CacheSetHelper::canNotFindInstCandVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg) { + if (ShowError == true) + _error->Error(_("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str()); + return VersionSet(); +} + /*}}}*/ +// canNotFindInstCandVer /*{{{*/ +VersionSet CacheSetHelper::canNotFindCandInstVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg) { + if (ShowError == true) + _error->Error(_("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str()); + return VersionSet(); +} + /*}}}*/ +// canNotFindNewestVer /*{{{*/ +pkgCache::VerIterator CacheSetHelper::canNotFindNewestVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg) { + if (ShowError == true) + _error->Error(_("Can't select newest version from package '%s' as it is purely virtual"), Pkg.FullName(true).c_str()); + return pkgCache::VerIterator(Cache, 0); +} + /*}}}*/ +// canNotFindCandidateVer /*{{{*/ +pkgCache::VerIterator CacheSetHelper::canNotFindCandidateVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg) { + if (ShowError == true) + _error->Error(_("Can't select candidate version from package %s as it has no candidate"), Pkg.FullName(true).c_str()); + return pkgCache::VerIterator(Cache, 0); +} + /*}}}*/ +// canNotFindInstalledVer /*{{{*/ +pkgCache::VerIterator CacheSetHelper::canNotFindInstalledVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg) { + if (ShowError == true) + _error->Error(_("Can't select installed version from package %s as it is not installed"), Pkg.FullName(true).c_str()); + return pkgCache::VerIterator(Cache, 0); +} + /*}}}*/ +} diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h new file mode 100644 index 000000000..c8c3dd096 --- /dev/null +++ b/apt-pkg/cacheset.h @@ -0,0 +1,375 @@ +// -*- 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 +#include +#include +#include +#include +#include + +#include +#include + /*}}}*/ +namespace APT { +class PackageSet; +class VersionSet; +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) : ShowError(ShowError) {}; + virtual ~CacheSetHelper() {}; + + virtual void showTaskSelection(PackageSet const &pkgset, string const &pattern) {}; + virtual void showRegExSelection(PackageSet const &pkgset, string const &pattern) {}; + virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver, + string const &ver, bool const &verIsRel) {}; + + virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str); + virtual PackageSet canNotFindTask(pkgCacheFile &Cache, std::string pattern); + virtual PackageSet canNotFindRegEx(pkgCacheFile &Cache, std::string pattern); + virtual PackageSet canNotFindPackage(pkgCacheFile &Cache, std::string const &str); + virtual VersionSet canNotFindAllVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg); + virtual VersionSet canNotFindInstCandVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + virtual VersionSet canNotFindCandInstVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg); + 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); }; + /*}}}*/ +protected: + bool ShowError; +}; /*}}}*/ +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. */ +public: /*{{{*/ + /** \brief smell like a pkgCache::PkgIterator */ + class const_iterator : public std::set::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();}; + // 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 &***this; + }; + }; + // 103. set::iterator is required to be modifiable, but this allows modification of keys + typedef APT::PackageSet::const_iterator iterator; + /*}}}*/ + + using std::set::insert; + inline void insert(pkgCache::PkgIterator const &P) { if (P.end() == false) std::set::insert(P); }; + inline void insert(PackageSet const &pkgset) { insert(pkgset.begin(), pkgset.end()); }; + + /** \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 APT::PackageSet FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper); + static APT::PackageSet FromTask(pkgCacheFile &Cache, std::string const &pattern) { + CacheSetHelper helper; + return APT::PackageSet::FromTask(Cache, pattern, helper); + } + + /** \brief returns all packages in the cache whose name matchs a given pattern + + A simple helper responsible for executing a regular expression on all + package names in the cache. Optional it prints a 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 APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper); + static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string const &pattern) { + CacheSetHelper helper; + return APT::PackageSet::FromRegEx(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 helper responsible for error and message handling */ + static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string, CacheSetHelper &helper); + static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string) { + CacheSetHelper helper; + return APT::PackageSet::FromString(Cache, string, helper); + } + + /** \brief returns a package specified by a string + + \param Cache the package is in + \param string 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 &string, CacheSetHelper &helper); + static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &string) { + CacheSetHelper helper; + return APT::PackageSet::FromName(Cache, string, 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 APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper); + static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { + CacheSetHelper helper; + return APT::PackageSet::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 + + 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); + static std::map GroupedFromCommandLine( + pkgCacheFile &Cache, const char **cmdline, + std::list const &mods, + unsigned short const &fallback) { + CacheSetHelper helper; + return APT::PackageSet::GroupedFromCommandLine(Cache, cmdline, + mods, fallback, helper); + } + + enum Constructor { UNKNOWN, REGEX, TASK }; + Constructor getConstructor() const { return ConstructedBy; }; + + PackageSet() : ConstructedBy(UNKNOWN) {}; + PackageSet(Constructor const &by) : ConstructedBy(by) {}; + /*}}}*/ +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: /*{{{*/ + /** \brief smell like a pkgCache::VerIterator */ + class const_iterator : public std::set::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();}; + // 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(); }; + }; + /*}}}*/ + // 103. set::iterator is required to be modifiable, but this allows modification of keys + typedef APT::VersionSet::const_iterator iterator; + + using std::set::insert; + inline void insert(pkgCache::VerIterator const &V) { if (V.end() == false) std::set::insert(V); }; + inline void insert(VersionSet const &verset) { insert(verset.begin(), verset.end()); }; + + /** \brief specifies which version(s) will be returned if non is given */ + enum Version { + /** All versions */ + ALL, + /** Candidate and installed version */ + CANDANDINST, + /** Candidate version */ + CANDIDATE, + /** Installed version */ + INSTALLED, + /** Candidate or if non installed version */ + CANDINST, + /** Installed or if non candidate version */ + INSTCAND, + /** Newest version */ + NEWEST + }; + + /** \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 APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, + APT::VersionSet::Version const &fallback, CacheSetHelper &helper); + static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, + APT::VersionSet::Version const &fallback) { + CacheSetHelper helper; + return APT::VersionSet::FromCommandLine(Cache, cmdline, fallback, helper); + } + static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { + return APT::VersionSet::FromCommandLine(Cache, cmdline, CANDINST); + } + + static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg, + APT::VersionSet::Version const &fallback, CacheSetHelper &helper, + bool const &onlyFromName = false); + static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg, + APT::VersionSet::Version const &fallback) { + CacheSetHelper helper; + return APT::VersionSet::FromString(Cache, pkg, fallback, helper); + } + static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg) { + return APT::VersionSet::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 APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, + VersionSet::Version const &fallback, CacheSetHelper &helper); + static APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, + APT::VersionSet::Version const &fallback) { + CacheSetHelper helper; + return APT::VersionSet::FromPackage(Cache, P, fallback, helper); + } + static APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P) { + return APT::VersionSet::FromPackage(Cache, P, CANDINST); + } + + struct Modifier { + enum Position { NONE, PREFIX, POSTFIX }; + unsigned short ID; + const char * const Alias; + Position Pos; + VersionSet::Version SelectVersion; + Modifier (unsigned short const &id, const char * const alias, Position const &pos, + VersionSet::Version const &select) : ID(id), Alias(alias), Pos(pos), + SelectVersion(select) {}; + }; + + static std::map GroupedFromCommandLine( + pkgCacheFile &Cache, const char **cmdline, + std::list const &mods, + unsigned short const &fallback, CacheSetHelper &helper); + static std::map GroupedFromCommandLine( + pkgCacheFile &Cache, const char **cmdline, + std::list const &mods, + unsigned short const &fallback) { + CacheSetHelper helper; + return APT::VersionSet::GroupedFromCommandLine(Cache, cmdline, + mods, fallback, helper); + } + /*}}}*/ +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 */ + 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 */ + static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache, + pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper); + /*}}}*/ +}; /*}}}*/ +} +#endif diff --git a/apt-pkg/makefile b/apt-pkg/makefile index e9e5651b0..4e5ec107f 100644 --- a/apt-pkg/makefile +++ b/apt-pkg/makefile @@ -35,7 +35,7 @@ SOURCE+= pkgcache.cc version.cc depcache.cc \ srcrecords.cc cachefile.cc versionmatch.cc policy.cc \ pkgsystem.cc indexfile.cc pkgcachegen.cc acquire-item.cc \ indexrecords.cc vendor.cc vendorlist.cc cdrom.cc indexcopy.cc \ - aptconfiguration.cc cachefilter.cc + aptconfiguration.cc cachefilter.cc cacheset.cc HEADERS+= algorithms.h depcache.h pkgcachegen.h cacheiterators.h \ orderlist.h sourcelist.h packagemanager.h tagfile.h \ init.h pkgcache.h version.h progress.h pkgrecords.h \ @@ -43,7 +43,7 @@ HEADERS+= algorithms.h depcache.h pkgcachegen.h cacheiterators.h \ clean.h srcrecords.h cachefile.h versionmatch.h policy.h \ pkgsystem.h indexfile.h metaindex.h indexrecords.h vendor.h \ vendorlist.h cdrom.h indexcopy.h aptconfiguration.h \ - cachefilter.h + cachefilter.h cacheset.h # Source code for the debian specific components # In theory the deb headers do not need to be exported.. diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc index 557996693..1a1ddcb8c 100644 --- a/cmdline/apt-cache.cc +++ b/cmdline/apt-cache.cc @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -30,8 +31,6 @@ #include #include -#include "cacheset.h" - #include #include diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 7cf760c27..eaa982856 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -37,6 +37,7 @@ #include #include #include +#include #include #include #include @@ -45,7 +46,6 @@ #include #include "acqprogress.h" -#include "cacheset.h" #include #include diff --git a/cmdline/cacheset.cc b/cmdline/cacheset.cc deleted file mode 100644 index 0b099f442..000000000 --- a/cmdline/cacheset.cc +++ /dev/null @@ -1,507 +0,0 @@ -// -*- mode: cpp; mode: fold -*- -// Description /*{{{*/ -/* ###################################################################### - - Simple wrapper around a std::set to provide a similar interface to - a set of cache structures as to the complete set of all structures - in the pkgCache. Currently only Package is supported. - - ##################################################################### */ - /*}}}*/ -// Include Files /*{{{*/ -#include -#include -#include -#include -#include - -#include - -#include "cacheset.h" - -#include - -#include - /*}}}*/ -namespace APT { -// FromTask - Return all packages in the cache from a specific task /*{{{*/ -PackageSet PackageSet::FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { - size_t const archfound = pattern.find_last_of(':'); - std::string arch = "native"; - if (archfound != std::string::npos) { - arch = pattern.substr(archfound+1); - pattern.erase(archfound); - } - - if (pattern[pattern.length() -1] != '^') - return APT::PackageSet(TASK); - pattern.erase(pattern.length()-1); - - if (unlikely(Cache.GetPkgCache() == 0 || Cache.GetDepCache() == 0)) - return APT::PackageSet(TASK); - - PackageSet pkgset(TASK); - // get the records - pkgRecords Recs(Cache); - - // build regexp for the task - regex_t Pattern; - char S[300]; - snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", pattern.c_str()); - if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0) { - _error->Error("Failed to compile task regexp"); - return pkgset; - } - - for (pkgCache::GrpIterator Grp = Cache->GrpBegin(); Grp.end() == false; ++Grp) { - pkgCache::PkgIterator Pkg = Grp.FindPkg(arch); - if (Pkg.end() == true) - continue; - pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache); - if(ver.end() == true) - continue; - - pkgRecords::Parser &parser = Recs.Lookup(ver.FileList()); - const char *start, *end; - parser.GetRec(start,end); - unsigned int const length = end - start; - char buf[length]; - strncpy(buf, start, length); - buf[length-1] = '\0'; - if (regexec(&Pattern, buf, 0, 0, 0) != 0) - continue; - - pkgset.insert(Pkg); - } - regfree(&Pattern); - - if (pkgset.empty() == true) - return helper.canNotFindTask(Cache, pattern); - - helper.showTaskSelection(pkgset, pattern); - return pkgset; -} - /*}}}*/ -// FromRegEx - Return all packages in the cache matching a pattern /*{{{*/ -PackageSet PackageSet::FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { - static const char * const isregex = ".?+*|[^$"; - if (pattern.find_first_of(isregex) == std::string::npos) - return PackageSet(REGEX); - - size_t archfound = pattern.find_last_of(':'); - std::string arch = "native"; - if (archfound != std::string::npos) { - arch = pattern.substr(archfound+1); - if (arch.find_first_of(isregex) == std::string::npos) - pattern.erase(archfound); - else - arch = "native"; - } - - if (unlikely(Cache.GetPkgCache() == 0)) - return PackageSet(REGEX); - - APT::CacheFilter::PackageNameMatchesRegEx regexfilter(pattern); - - PackageSet pkgset(REGEX); - for (pkgCache::GrpIterator Grp = Cache.GetPkgCache()->GrpBegin(); Grp.end() == false; ++Grp) { - if (regexfilter(Grp) == false) - continue; - pkgCache::PkgIterator Pkg = Grp.FindPkg(arch); - if (Pkg.end() == true) { - if (archfound == std::string::npos) { - std::vector archs = APT::Configuration::getArchitectures(); - for (std::vector::const_iterator a = archs.begin(); - a != archs.end() && Pkg.end() != true; ++a) - Pkg = Grp.FindPkg(*a); - } - if (Pkg.end() == true) - continue; - } - - pkgset.insert(Pkg); - } - - if (pkgset.empty() == true) - return helper.canNotFindRegEx(Cache, pattern); - - helper.showRegExSelection(pkgset, pattern); - return pkgset; -} - /*}}}*/ -// FromName - Returns the package defined by this string /*{{{*/ -pkgCache::PkgIterator PackageSet::FromName(pkgCacheFile &Cache, - std::string const &str, CacheSetHelper &helper) { - std::string pkg = str; - size_t archfound = pkg.find_last_of(':'); - std::string arch; - if (archfound != std::string::npos) { - arch = pkg.substr(archfound+1); - pkg.erase(archfound); - } - - if (Cache.GetPkgCache() == 0) - return pkgCache::PkgIterator(Cache, 0); - - pkgCache::PkgIterator Pkg(Cache, 0); - if (arch.empty() == true) { - pkgCache::GrpIterator Grp = Cache.GetPkgCache()->FindGrp(pkg); - if (Grp.end() == false) - Pkg = Grp.FindPreferredPkg(); - } else - Pkg = Cache.GetPkgCache()->FindPkg(pkg, arch); - - if (Pkg.end() == true) - return helper.canNotFindPkgName(Cache, str); - return Pkg; -} - /*}}}*/ -// GroupedFromCommandLine - Return all versions specified on commandline/*{{{*/ -std::map PackageSet::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; - std::string str = *I; - bool modifierPresent = false; - for (std::list::const_iterator mod = mods.begin(); - mod != mods.end(); ++mod) { - size_t const alength = strlen(mod->Alias); - switch(mod->Pos) { - case PackageSet::Modifier::POSTFIX: - if (str.compare(str.length() - alength, alength, - mod->Alias, 0, alength) != 0) - continue; - str.erase(str.length() - alength); - modID = mod->ID; - break; - case PackageSet::Modifier::PREFIX: - continue; - case PackageSet::Modifier::NONE: - continue; - } - modifierPresent = true; - break; - } - if (modifierPresent == true) { - bool const errors = helper.showErrors(false); - pkgCache::PkgIterator Pkg = FromName(Cache, *I, helper); - helper.showErrors(errors); - if (Pkg.end() == false) { - pkgsets[fallback].insert(Pkg); - continue; - } - } - pkgsets[modID].insert(PackageSet::FromString(Cache, str, helper)); - } - return pkgsets; -} - /*}}}*/ -// FromCommandLine - Return all packages specified on commandline /*{{{*/ -PackageSet PackageSet::FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) { - PackageSet pkgset; - for (const char **I = cmdline; *I != 0; ++I) { - PackageSet pset = FromString(Cache, *I, helper); - pkgset.insert(pset.begin(), pset.end()); - } - return pkgset; -} - /*}}}*/ -// FromString - Return all packages matching a specific string /*{{{*/ -PackageSet PackageSet::FromString(pkgCacheFile &Cache, std::string const &str, CacheSetHelper &helper) { - _error->PushToStack(); - - PackageSet pkgset; - pkgCache::PkgIterator Pkg = FromName(Cache, str, helper); - if (Pkg.end() == false) - pkgset.insert(Pkg); - else { - pkgset = FromTask(Cache, str, helper); - if (pkgset.empty() == true) { - pkgset = FromRegEx(Cache, str, helper); - if (pkgset.empty() == true) - pkgset = helper.canNotFindPackage(Cache, str); - } - } - - if (pkgset.empty() == false) - _error->RevertToStack(); - else - _error->MergeWithStack(); - return pkgset; -} - /*}}}*/ -// GroupedFromCommandLine - Return all versions specified on commandline/*{{{*/ -std::map VersionSet::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; - VersionSet::Version select = VersionSet::NEWEST; - std::string str = *I; - bool modifierPresent = false; - for (std::list::const_iterator mod = mods.begin(); - mod != mods.end(); ++mod) { - if (modID == fallback && mod->ID == fallback) - select = mod->SelectVersion; - size_t const alength = strlen(mod->Alias); - switch(mod->Pos) { - case VersionSet::Modifier::POSTFIX: - if (str.compare(str.length() - alength, alength, - mod->Alias, 0, alength) != 0) - continue; - str.erase(str.length() - alength); - modID = mod->ID; - select = mod->SelectVersion; - break; - case VersionSet::Modifier::PREFIX: - continue; - case VersionSet::Modifier::NONE: - continue; - } - modifierPresent = true; - break; - } - - if (modifierPresent == true) { - bool const errors = helper.showErrors(false); - VersionSet const vset = VersionSet::FromString(Cache, std::string(*I), select, helper, true); - helper.showErrors(errors); - if (vset.empty() == false) { - versets[fallback].insert(vset); - continue; - } - } - versets[modID].insert(VersionSet::FromString(Cache, str, select , helper)); - } - return versets; -} - /*}}}*/ -// FromCommandLine - Return all versions specified on commandline /*{{{*/ -APT::VersionSet VersionSet::FromCommandLine(pkgCacheFile &Cache, const char **cmdline, - APT::VersionSet::Version const &fallback, CacheSetHelper &helper) { - VersionSet verset; - for (const char **I = cmdline; *I != 0; ++I) - verset.insert(VersionSet::FromString(Cache, *I, fallback, helper)); - return verset; -} - /*}}}*/ -// FromString - Returns all versions spedcified by a string /*{{{*/ -APT::VersionSet VersionSet::FromString(pkgCacheFile &Cache, std::string pkg, - APT::VersionSet::Version const &fallback, CacheSetHelper &helper, - bool const &onlyFromName) { - std::string ver; - bool verIsRel = false; - size_t const vertag = pkg.find_last_of("/="); - if (vertag != string::npos) { - ver = pkg.substr(vertag+1); - verIsRel = (pkg[vertag] == '/'); - pkg.erase(vertag); - } - PackageSet pkgset; - if (onlyFromName == false) - pkgset = PackageSet::FromString(Cache, pkg, helper); - else { - pkgset.insert(PackageSet::FromName(Cache, pkg, helper)); - } - - VersionSet verset; - bool errors = true; - if (pkgset.getConstructor() != PackageSet::UNKNOWN) - errors = helper.showErrors(false); - for (PackageSet::const_iterator P = pkgset.begin(); - P != pkgset.end(); ++P) { - if (vertag == string::npos) { - verset.insert(VersionSet::FromPackage(Cache, P, fallback, helper)); - continue; - } - pkgCache::VerIterator V; - if (ver == "installed") - V = getInstalledVer(Cache, P, helper); - else if (ver == "candidate") - V = getCandidateVer(Cache, P, helper); - else { - pkgVersionMatch Match(ver, (verIsRel == true ? pkgVersionMatch::Release : - pkgVersionMatch::Version)); - V = Match.Find(P); - if (V.end() == true) { - if (verIsRel == true) - _error->Error(_("Release '%s' for '%s' was not found"), - ver.c_str(), P.FullName(true).c_str()); - else - _error->Error(_("Version '%s' for '%s' was not found"), - ver.c_str(), P.FullName(true).c_str()); - continue; - } - } - if (V.end() == true) - continue; - helper.showSelectedVersion(P, V, ver, verIsRel); - verset.insert(V); - } - if (pkgset.getConstructor() != PackageSet::UNKNOWN) - helper.showErrors(errors); - return verset; -} - /*}}}*/ -// FromPackage - versions from package based on fallback /*{{{*/ -VersionSet VersionSet::FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, - VersionSet::Version const &fallback, CacheSetHelper &helper) { - VersionSet verset; - pkgCache::VerIterator V; - bool showErrors; - switch(fallback) { - case VersionSet::ALL: - if (P->VersionList != 0) - for (V = P.VersionList(); V.end() != true; ++V) - verset.insert(V); - else - verset.insert(helper.canNotFindAllVer(Cache, P)); - break; - case VersionSet::CANDANDINST: - verset.insert(getInstalledVer(Cache, P, helper)); - verset.insert(getCandidateVer(Cache, P, helper)); - break; - case VersionSet::CANDIDATE: - verset.insert(getCandidateVer(Cache, P, helper)); - break; - case VersionSet::INSTALLED: - verset.insert(getInstalledVer(Cache, P, helper)); - break; - case VersionSet::CANDINST: - showErrors = helper.showErrors(false); - V = getCandidateVer(Cache, P, helper); - if (V.end() == true) - V = getInstalledVer(Cache, P, helper); - helper.showErrors(showErrors); - if (V.end() == false) - verset.insert(V); - else - verset.insert(helper.canNotFindInstCandVer(Cache, P)); - break; - case VersionSet::INSTCAND: - showErrors = helper.showErrors(false); - V = getInstalledVer(Cache, P, helper); - if (V.end() == true) - V = getCandidateVer(Cache, P, helper); - helper.showErrors(showErrors); - if (V.end() == false) - verset.insert(V); - else - verset.insert(helper.canNotFindInstCandVer(Cache, P)); - break; - case VersionSet::NEWEST: - if (P->VersionList != 0) - verset.insert(P.VersionList()); - else - verset.insert(helper.canNotFindNewestVer(Cache, P)); - break; - } - return verset; -} - /*}}}*/ -// getCandidateVer - Returns the candidate version of the given package /*{{{*/ -pkgCache::VerIterator VersionSet::getCandidateVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) { - pkgCache::VerIterator Cand; - if (Cache.IsPolicyBuilt() == true || Cache.IsDepCacheBuilt() == false) - { - if (unlikely(Cache.GetPolicy() == 0)) - return pkgCache::VerIterator(Cache); - Cand = Cache.GetPolicy()->GetCandidateVer(Pkg); - } else { - Cand = Cache[Pkg].CandidateVerIter(Cache); - } - if (Cand.end() == true) - return helper.canNotFindCandidateVer(Cache, Pkg); - return Cand; -} - /*}}}*/ -// getInstalledVer - Returns the installed version of the given package /*{{{*/ -pkgCache::VerIterator VersionSet::getInstalledVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) { - if (Pkg->CurrentVer == 0) - return helper.canNotFindInstalledVer(Cache, Pkg); - return Pkg.CurrentVer(); -} - /*}}}*/ -// canNotFindPkgName - handle the case no package has this name /*{{{*/ -pkgCache::PkgIterator CacheSetHelper::canNotFindPkgName(pkgCacheFile &Cache, - std::string const &str) { - if (ShowError == true) - _error->Error(_("Unable to locate package %s"), str.c_str()); - return pkgCache::PkgIterator(Cache, 0); -} - /*}}}*/ -// canNotFindTask - handle the case no package is found for a task /*{{{*/ -PackageSet CacheSetHelper::canNotFindTask(pkgCacheFile &Cache, std::string pattern) { - if (ShowError == true) - _error->Error(_("Couldn't find task '%s'"), pattern.c_str()); - return PackageSet(); -} - /*}}}*/ -// canNotFindRegEx - handle the case no package is found by a regex /*{{{*/ -PackageSet CacheSetHelper::canNotFindRegEx(pkgCacheFile &Cache, std::string pattern) { - if (ShowError == true) - _error->Error(_("Couldn't find any package by regex '%s'"), pattern.c_str()); - return PackageSet(); -} - /*}}}*/ -// canNotFindPackage - handle the case no package is found from a string/*{{{*/ -PackageSet CacheSetHelper::canNotFindPackage(pkgCacheFile &Cache, std::string const &str) { - return PackageSet(); -} - /*}}}*/ -// canNotFindAllVer /*{{{*/ -VersionSet CacheSetHelper::canNotFindAllVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg) { - if (ShowError == true) - _error->Error(_("Can't select versions from package '%s' as it purely virtual"), Pkg.FullName(true).c_str()); - return VersionSet(); -} - /*}}}*/ -// canNotFindInstCandVer /*{{{*/ -VersionSet CacheSetHelper::canNotFindInstCandVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg) { - if (ShowError == true) - _error->Error(_("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str()); - return VersionSet(); -} - /*}}}*/ -// canNotFindInstCandVer /*{{{*/ -VersionSet CacheSetHelper::canNotFindCandInstVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg) { - if (ShowError == true) - _error->Error(_("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str()); - return VersionSet(); -} - /*}}}*/ -// canNotFindNewestVer /*{{{*/ -pkgCache::VerIterator CacheSetHelper::canNotFindNewestVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg) { - if (ShowError == true) - _error->Error(_("Can't select newest version from package '%s' as it is purely virtual"), Pkg.FullName(true).c_str()); - return pkgCache::VerIterator(Cache, 0); -} - /*}}}*/ -// canNotFindCandidateVer /*{{{*/ -pkgCache::VerIterator CacheSetHelper::canNotFindCandidateVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg) { - if (ShowError == true) - _error->Error(_("Can't select candidate version from package %s as it has no candidate"), Pkg.FullName(true).c_str()); - return pkgCache::VerIterator(Cache, 0); -} - /*}}}*/ -// canNotFindInstalledVer /*{{{*/ -pkgCache::VerIterator CacheSetHelper::canNotFindInstalledVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg) { - if (ShowError == true) - _error->Error(_("Can't select installed version from package %s as it is not installed"), Pkg.FullName(true).c_str()); - return pkgCache::VerIterator(Cache, 0); -} - /*}}}*/ -} diff --git a/cmdline/cacheset.h b/cmdline/cacheset.h deleted file mode 100644 index c8c3dd096..000000000 --- a/cmdline/cacheset.h +++ /dev/null @@ -1,375 +0,0 @@ -// -*- 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 -#include -#include -#include -#include -#include - -#include -#include - /*}}}*/ -namespace APT { -class PackageSet; -class VersionSet; -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) : ShowError(ShowError) {}; - virtual ~CacheSetHelper() {}; - - virtual void showTaskSelection(PackageSet const &pkgset, string const &pattern) {}; - virtual void showRegExSelection(PackageSet const &pkgset, string const &pattern) {}; - virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver, - string const &ver, bool const &verIsRel) {}; - - virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str); - virtual PackageSet canNotFindTask(pkgCacheFile &Cache, std::string pattern); - virtual PackageSet canNotFindRegEx(pkgCacheFile &Cache, std::string pattern); - virtual PackageSet canNotFindPackage(pkgCacheFile &Cache, std::string const &str); - virtual VersionSet canNotFindAllVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg); - virtual VersionSet canNotFindInstCandVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg); - virtual VersionSet canNotFindCandInstVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg); - 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); }; - /*}}}*/ -protected: - bool ShowError; -}; /*}}}*/ -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. */ -public: /*{{{*/ - /** \brief smell like a pkgCache::PkgIterator */ - class const_iterator : public std::set::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();}; - // 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 &***this; - }; - }; - // 103. set::iterator is required to be modifiable, but this allows modification of keys - typedef APT::PackageSet::const_iterator iterator; - /*}}}*/ - - using std::set::insert; - inline void insert(pkgCache::PkgIterator const &P) { if (P.end() == false) std::set::insert(P); }; - inline void insert(PackageSet const &pkgset) { insert(pkgset.begin(), pkgset.end()); }; - - /** \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 APT::PackageSet FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper); - static APT::PackageSet FromTask(pkgCacheFile &Cache, std::string const &pattern) { - CacheSetHelper helper; - return APT::PackageSet::FromTask(Cache, pattern, helper); - } - - /** \brief returns all packages in the cache whose name matchs a given pattern - - A simple helper responsible for executing a regular expression on all - package names in the cache. Optional it prints a 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 APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper); - static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string const &pattern) { - CacheSetHelper helper; - return APT::PackageSet::FromRegEx(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 helper responsible for error and message handling */ - static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string, CacheSetHelper &helper); - static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string) { - CacheSetHelper helper; - return APT::PackageSet::FromString(Cache, string, helper); - } - - /** \brief returns a package specified by a string - - \param Cache the package is in - \param string 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 &string, CacheSetHelper &helper); - static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &string) { - CacheSetHelper helper; - return APT::PackageSet::FromName(Cache, string, 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 APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper); - static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { - CacheSetHelper helper; - return APT::PackageSet::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 - - 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); - static std::map GroupedFromCommandLine( - pkgCacheFile &Cache, const char **cmdline, - std::list const &mods, - unsigned short const &fallback) { - CacheSetHelper helper; - return APT::PackageSet::GroupedFromCommandLine(Cache, cmdline, - mods, fallback, helper); - } - - enum Constructor { UNKNOWN, REGEX, TASK }; - Constructor getConstructor() const { return ConstructedBy; }; - - PackageSet() : ConstructedBy(UNKNOWN) {}; - PackageSet(Constructor const &by) : ConstructedBy(by) {}; - /*}}}*/ -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: /*{{{*/ - /** \brief smell like a pkgCache::VerIterator */ - class const_iterator : public std::set::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();}; - // 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(); }; - }; - /*}}}*/ - // 103. set::iterator is required to be modifiable, but this allows modification of keys - typedef APT::VersionSet::const_iterator iterator; - - using std::set::insert; - inline void insert(pkgCache::VerIterator const &V) { if (V.end() == false) std::set::insert(V); }; - inline void insert(VersionSet const &verset) { insert(verset.begin(), verset.end()); }; - - /** \brief specifies which version(s) will be returned if non is given */ - enum Version { - /** All versions */ - ALL, - /** Candidate and installed version */ - CANDANDINST, - /** Candidate version */ - CANDIDATE, - /** Installed version */ - INSTALLED, - /** Candidate or if non installed version */ - CANDINST, - /** Installed or if non candidate version */ - INSTCAND, - /** Newest version */ - NEWEST - }; - - /** \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 APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, - APT::VersionSet::Version const &fallback, CacheSetHelper &helper); - static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, - APT::VersionSet::Version const &fallback) { - CacheSetHelper helper; - return APT::VersionSet::FromCommandLine(Cache, cmdline, fallback, helper); - } - static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) { - return APT::VersionSet::FromCommandLine(Cache, cmdline, CANDINST); - } - - static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg, - APT::VersionSet::Version const &fallback, CacheSetHelper &helper, - bool const &onlyFromName = false); - static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg, - APT::VersionSet::Version const &fallback) { - CacheSetHelper helper; - return APT::VersionSet::FromString(Cache, pkg, fallback, helper); - } - static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg) { - return APT::VersionSet::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 APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, - VersionSet::Version const &fallback, CacheSetHelper &helper); - static APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, - APT::VersionSet::Version const &fallback) { - CacheSetHelper helper; - return APT::VersionSet::FromPackage(Cache, P, fallback, helper); - } - static APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P) { - return APT::VersionSet::FromPackage(Cache, P, CANDINST); - } - - struct Modifier { - enum Position { NONE, PREFIX, POSTFIX }; - unsigned short ID; - const char * const Alias; - Position Pos; - VersionSet::Version SelectVersion; - Modifier (unsigned short const &id, const char * const alias, Position const &pos, - VersionSet::Version const &select) : ID(id), Alias(alias), Pos(pos), - SelectVersion(select) {}; - }; - - static std::map GroupedFromCommandLine( - pkgCacheFile &Cache, const char **cmdline, - std::list const &mods, - unsigned short const &fallback, CacheSetHelper &helper); - static std::map GroupedFromCommandLine( - pkgCacheFile &Cache, const char **cmdline, - std::list const &mods, - unsigned short const &fallback) { - CacheSetHelper helper; - return APT::VersionSet::GroupedFromCommandLine(Cache, cmdline, - mods, fallback, helper); - } - /*}}}*/ -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 */ - 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 */ - static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache, - pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper); - /*}}}*/ -}; /*}}}*/ -} -#endif diff --git a/cmdline/makefile b/cmdline/makefile index 4ffe49ee0..917ccc96a 100644 --- a/cmdline/makefile +++ b/cmdline/makefile @@ -9,14 +9,14 @@ include ../buildlib/defaults.mak PROGRAM=apt-cache SLIBS = -lapt-pkg $(INTLLIBS) LIB_MAKES = apt-pkg/makefile -SOURCE = apt-cache.cc cacheset.cc +SOURCE = apt-cache.cc include $(PROGRAM_H) # The apt-get program PROGRAM=apt-get SLIBS = -lapt-pkg -lutil $(INTLLIBS) LIB_MAKES = apt-pkg/makefile -SOURCE = apt-get.cc acqprogress.cc cacheset.cc +SOURCE = apt-get.cc acqprogress.cc include $(PROGRAM_H) # The apt-config program diff --git a/debian/changelog b/debian/changelog index 128309b51..04829715c 100644 --- a/debian/changelog +++ b/debian/changelog @@ -5,8 +5,10 @@ apt (0.7.26~exp11) experimental; urgency=low - handle "circular" conflicts for "all" packages correctly * cmdline/apt-cache.cc: - be able to omit dependency types in (r)depends (Closes: #319006) + * apt-pkg/cacheset.cc: + - move them back to the library as they look stable now - -- David Kalnischkies Wed, 14 Jul 2010 22:58:08 +0200 + -- David Kalnischkies Sat, 17 Jul 2010 19:56:47 +0200 apt (0.7.26~exp10) experimental; urgency=low -- cgit v1.2.3