From 15fc8636b3e48eab5f3bc6f2e8c61c0409246909 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Wed, 9 Nov 2011 17:22:57 +0100 Subject: * apt-pkg/cacheset.cc: - make the cachesets real containers which can embedding any container to be able to use the same interface regardless of set or list usage --- apt-pkg/cacheset.cc | 381 ++++++++++++++++++++++++++++------------------------ 1 file changed, 203 insertions(+), 178 deletions(-) (limited to 'apt-pkg/cacheset.cc') diff --git a/apt-pkg/cacheset.cc b/apt-pkg/cacheset.cc index 6b95eab70..b892ab4bf 100644 --- a/apt-pkg/cacheset.cc +++ b/apt-pkg/cacheset.cc @@ -29,7 +29,7 @@ /*}}}*/ namespace APT { // FromTask - Return all packages in the cache from a specific task /*{{{*/ -PackageSet PackageSet::FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { +bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { size_t const archfound = pattern.find_last_of(':'); std::string arch = "native"; if (archfound != std::string::npos) { @@ -38,13 +38,16 @@ PackageSet PackageSet::FromTask(pkgCacheFile &Cache, std::string pattern, CacheS } if (pattern[pattern.length() -1] != '^') - return APT::PackageSet(TASK); + return false; pattern.erase(pattern.length()-1); if (unlikely(Cache.GetPkgCache() == 0 || Cache.GetDepCache() == 0)) - return APT::PackageSet(TASK); + return false; + + bool const wasEmpty = pci->empty(); + if (wasEmpty == true) + pci->setConstructor(TASK); - PackageSet pkgset(TASK); // get the records pkgRecords Recs(Cache); @@ -54,9 +57,10 @@ PackageSet PackageSet::FromTask(pkgCacheFile &Cache, std::string pattern, CacheS snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", pattern.c_str()); if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0) { _error->Error("Failed to compile task regexp"); - return pkgset; + return false; } + bool found = false; for (pkgCache::GrpIterator Grp = Cache->GrpBegin(); Grp.end() == false; ++Grp) { pkgCache::PkgIterator Pkg = Grp.FindPkg(arch); if (Pkg.end() == true) @@ -75,22 +79,33 @@ PackageSet PackageSet::FromTask(pkgCacheFile &Cache, std::string pattern, CacheS if (regexec(&Pattern, buf, 0, 0, 0) != 0) continue; - pkgset.insert(Pkg); + pci->insert(Pkg); + helper.showTaskSelection(Pkg, pattern); + found = true; } regfree(&Pattern); - if (pkgset.empty() == true) - return helper.canNotFindTask(Cache, pattern); + if (found == false) { + helper.canNotFindTask(pci, Cache, pattern); + pci->setConstructor(UNKNOWN); + return false; + } + + if (wasEmpty == false && pci->getConstructor() != UNKNOWN) + pci->setConstructor(UNKNOWN); - helper.showTaskSelection(pkgset, pattern); - return pkgset; + return true; } /*}}}*/ // FromRegEx - Return all packages in the cache matching a pattern /*{{{*/ -PackageSet PackageSet::FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { +bool PackageContainerInterface::FromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { static const char * const isregex = ".?+*|[^$"; if (pattern.find_first_of(isregex) == std::string::npos) - return PackageSet(REGEX); + return false; + + bool const wasEmpty = pci->empty(); + if (wasEmpty == true) + pci->setConstructor(REGEX); size_t archfound = pattern.find_last_of(':'); std::string arch = "native"; @@ -103,11 +118,11 @@ PackageSet PackageSet::FromRegEx(pkgCacheFile &Cache, std::string pattern, Cache } if (unlikely(Cache.GetPkgCache() == 0)) - return PackageSet(REGEX); + return false; APT::CacheFilter::PackageNameMatchesRegEx regexfilter(pattern); - PackageSet pkgset(REGEX); + bool found = false; for (pkgCache::GrpIterator Grp = Cache.GetPkgCache()->GrpBegin(); Grp.end() == false; ++Grp) { if (regexfilter(Grp) == false) continue; @@ -123,18 +138,25 @@ PackageSet PackageSet::FromRegEx(pkgCacheFile &Cache, std::string pattern, Cache continue; } - pkgset.insert(Pkg); + pci->insert(Pkg); + helper.showRegExSelection(Pkg, pattern); + found = true; } - if (pkgset.empty() == true) - return helper.canNotFindRegEx(Cache, pattern); + if (found == false) { + helper.canNotFindRegEx(pci, Cache, pattern); + pci->setConstructor(UNKNOWN); + return false; + } + + if (wasEmpty == false && pci->getConstructor() != UNKNOWN) + pci->setConstructor(UNKNOWN); - helper.showRegExSelection(pkgset, pattern); - return pkgset; + return true; } /*}}}*/ // FromName - Returns the package defined by this string /*{{{*/ -pkgCache::PkgIterator PackageSet::FromName(pkgCacheFile &Cache, +pkgCache::PkgIterator PackageContainerInterface::FromName(pkgCacheFile &Cache, std::string const &str, CacheSetHelper &helper) { std::string pkg = str; size_t archfound = pkg.find_last_of(':'); @@ -160,144 +182,131 @@ pkgCache::PkgIterator PackageSet::FromName(pkgCacheFile &Cache, 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) { +bool PackageContainerInterface::FromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str, CacheSetHelper &helper) { + bool found = true; _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); - } + pci->insert(Pkg); + else if (FromTask(pci, Cache, str, helper) == false && + FromRegEx(pci, Cache, str, helper) == false) + { + helper.canNotFindPackage(pci, Cache, str); + found = false; } - if (pkgset.empty() == false) + if (found == true) _error->RevertToStack(); else _error->MergeWithStack(); - return pkgset; + return found; } /*}}}*/ -// 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: +// FromCommandLine - Return all packages specified on commandline /*{{{*/ +bool PackageContainerInterface::FromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) { + bool found = false; + for (const char **I = cmdline; *I != 0; ++I) + found |= PackageContainerInterface::FromString(pci, Cache, *I, helper); + return found; +} + /*}}}*/ +// FromModifierCommandLine - helper doing the work for PKG:GroupedFromCommandLine /*{{{*/ +bool PackageContainerInterface::FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci, + pkgCacheFile &Cache, const char * cmdline, + std::list const &mods, CacheSetHelper &helper) { + std::string str = cmdline; + 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 Modifier::POSTFIX: + if (str.compare(str.length() - alength, alength, + mod->Alias, 0, alength) != 0) continue; - } - modifierPresent = true; + str.erase(str.length() - alength); + modID = mod->ID; break; + case Modifier::PREFIX: + continue; + case Modifier::NONE: + continue; } - - 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); + modifierPresent = true; + break; + } + if (modifierPresent == true) { + bool const errors = helper.showErrors(false); + pkgCache::PkgIterator Pkg = FromName(Cache, cmdline, helper); + helper.showErrors(errors); + if (Pkg.end() == false) { + pci->insert(Pkg); + return true; + } + } + return FromString(pci, Cache, str, helper); +} + /*}}}*/ +// FromModifierCommandLine - helper doing the work for VER:GroupedFromCommandLine /*{{{*/ +bool VersionContainerInterface::FromModifierCommandLine(unsigned short &modID, + VersionContainerInterface * const vci, + pkgCacheFile &Cache, const char * cmdline, + std::list const &mods, + CacheSetHelper &helper) { + Version select = NEWEST; + std::string str = cmdline; + bool modifierPresent = false; + unsigned short fallback = modID; + 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 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 Modifier::PREFIX: + continue; + case Modifier::NONE: + continue; } - versets[modID].insert(VersionSet::FromString(Cache, str, select , helper)); + modifierPresent = true; + break; } - return versets; + + if (modifierPresent == true) { + bool const errors = helper.showErrors(false); + bool const found = VersionContainerInterface::FromString(vci, Cache, cmdline, select, helper, true); + helper.showErrors(errors); + if (found == true) + return true; + } + return FromString(vci, Cache, str, select, helper); } /*}}}*/ // 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; +bool VersionContainerInterface::FromCommandLine(VersionContainerInterface * const vci, + pkgCacheFile &Cache, const char **cmdline, + Version const &fallback, CacheSetHelper &helper) { + bool found = false; for (const char **I = cmdline; *I != 0; ++I) - verset.insert(VersionSet::FromString(Cache, *I, fallback, helper)); - return verset; + found |= VersionContainerInterface::FromString(vci, Cache, *I, fallback, helper); + return found; } /*}}}*/ // 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) { +bool VersionContainerInterface::FromString(VersionContainerInterface * const vci, + pkgCacheFile &Cache, std::string pkg, + Version const &fallback, CacheSetHelper &helper, + bool const onlyFromName) { std::string ver; bool verIsRel = false; size_t const vertag = pkg.find_last_of("/="); @@ -308,19 +317,20 @@ APT::VersionSet VersionSet::FromString(pkgCacheFile &Cache, std::string pkg, } PackageSet pkgset; if (onlyFromName == false) - pkgset = PackageSet::FromString(Cache, pkg, helper); + PackageContainerInterface::FromString(&pkgset, Cache, pkg, helper); else { - pkgset.insert(PackageSet::FromName(Cache, pkg, helper)); + pkgset.insert(PackageContainerInterface::FromName(Cache, pkg, helper)); } - VersionSet verset; bool errors = true; if (pkgset.getConstructor() != PackageSet::UNKNOWN) errors = helper.showErrors(false); + + bool found = false; for (PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P) { if (vertag == std::string::npos) { - verset.insert(VersionSet::FromPackage(Cache, P, fallback, helper)); + found |= VersionContainerInterface::FromPackage(vci, Cache, P, fallback, helper); continue; } pkgCache::VerIterator V; @@ -350,75 +360,78 @@ APT::VersionSet VersionSet::FromString(pkgCacheFile &Cache, std::string pkg, if (V.end() == true) continue; helper.showSelectedVersion(P, V, ver, verIsRel); - verset.insert(V); + vci->insert(V); + found = true; } if (pkgset.getConstructor() != PackageSet::UNKNOWN) helper.showErrors(errors); - return verset; + return found; } /*}}}*/ // FromPackage - versions from package based on fallback /*{{{*/ -VersionSet VersionSet::FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, - VersionSet::Version const &fallback, CacheSetHelper &helper) { - VersionSet verset; +bool VersionContainerInterface::FromPackage(VersionContainerInterface * const vci, + pkgCacheFile &Cache, + pkgCache::PkgIterator const &P, + Version const &fallback, + CacheSetHelper &helper) { pkgCache::VerIterator V; bool showErrors; + bool found = false; switch(fallback) { - case VersionSet::ALL: + case ALL: if (P->VersionList != 0) for (V = P.VersionList(); V.end() != true; ++V) - verset.insert(V); + found |= vci->insert(V); else - verset.insert(helper.canNotFindAllVer(Cache, P)); + helper.canNotFindAllVer(vci, Cache, P); break; - case VersionSet::CANDANDINST: - verset.insert(getInstalledVer(Cache, P, helper)); - verset.insert(getCandidateVer(Cache, P, helper)); + case CANDANDINST: + found |= vci->insert(getInstalledVer(Cache, P, helper)); + found |= vci->insert(getCandidateVer(Cache, P, helper)); break; - case VersionSet::CANDIDATE: - verset.insert(getCandidateVer(Cache, P, helper)); + case CANDIDATE: + found |= vci->insert(getCandidateVer(Cache, P, helper)); break; - case VersionSet::INSTALLED: - verset.insert(getInstalledVer(Cache, P, helper)); + case INSTALLED: + found |= vci->insert(getInstalledVer(Cache, P, helper)); break; - case VersionSet::CANDINST: + case 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); + found |= vci->insert(V); else - verset.insert(helper.canNotFindInstCandVer(Cache, P)); + helper.canNotFindInstCandVer(vci, Cache, P); break; - case VersionSet::INSTCAND: + case 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); + found |= vci->insert(V); else - verset.insert(helper.canNotFindInstCandVer(Cache, P)); + helper.canNotFindInstCandVer(vci, Cache, P); break; - case VersionSet::NEWEST: + case NEWEST: if (P->VersionList != 0) - verset.insert(P.VersionList()); + found |= vci->insert(P.VersionList()); else - verset.insert(helper.canNotFindNewestVer(Cache, P)); + helper.canNotFindNewestVer(Cache, P); break; } - return verset; + return found; } /*}}}*/ // getCandidateVer - Returns the candidate version of the given package /*{{{*/ -pkgCache::VerIterator VersionSet::getCandidateVer(pkgCacheFile &Cache, +pkgCache::VerIterator VersionContainerInterface::getCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) { pkgCache::VerIterator Cand; - if (Cache.IsPolicyBuilt() == true || Cache.IsDepCacheBuilt() == false) - { + if (Cache.IsPolicyBuilt() == true || Cache.IsDepCacheBuilt() == false) { if (unlikely(Cache.GetPolicy() == 0)) return pkgCache::VerIterator(Cache); Cand = Cache.GetPolicy()->GetCandidateVer(Pkg); @@ -431,13 +444,14 @@ pkgCache::VerIterator VersionSet::getCandidateVer(pkgCacheFile &Cache, } /*}}}*/ // getInstalledVer - Returns the installed version of the given package /*{{{*/ -pkgCache::VerIterator VersionSet::getInstalledVer(pkgCacheFile &Cache, +pkgCache::VerIterator VersionContainerInterface::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) { @@ -447,46 +461,40 @@ pkgCache::PkgIterator CacheSetHelper::canNotFindPkgName(pkgCacheFile &Cache, } /*}}}*/ // canNotFindTask - handle the case no package is found for a task /*{{{*/ -PackageSet CacheSetHelper::canNotFindTask(pkgCacheFile &Cache, std::string pattern) { +void CacheSetHelper::canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) { if (ShowError == true) _error->Insert(ErrorType, _("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) { +void CacheSetHelper::canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) { if (ShowError == true) _error->Insert(ErrorType, _("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(); +void CacheSetHelper::canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str) { } /*}}}*/ // canNotFindAllVer /*{{{*/ -VersionSet CacheSetHelper::canNotFindAllVer(pkgCacheFile &Cache, +void CacheSetHelper::canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { if (ShowError == true) _error->Insert(ErrorType, _("Can't select versions from package '%s' as it is purely virtual"), Pkg.FullName(true).c_str()); - return VersionSet(); } /*}}}*/ // canNotFindInstCandVer /*{{{*/ -VersionSet CacheSetHelper::canNotFindInstCandVer(pkgCacheFile &Cache, +void CacheSetHelper::canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { if (ShowError == true) _error->Insert(ErrorType, _("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, +void CacheSetHelper::canNotFindCandInstVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) { if (ShowError == true) _error->Insert(ErrorType, _("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str()); - return VersionSet(); } /*}}}*/ // canNotFindNewestVer /*{{{*/ @@ -513,4 +521,21 @@ pkgCache::VerIterator CacheSetHelper::canNotFindInstalledVer(pkgCacheFile &Cache return pkgCache::VerIterator(Cache, 0); } /*}}}*/ +// showTaskSelection /*{{{*/ +void CacheSetHelper::showTaskSelection(pkgCache::PkgIterator const &pkg, + std::string const &pattern) { +} + /*}}}*/ +// showRegExSelection /*{{{*/ +void CacheSetHelper::showRegExSelection(pkgCache::PkgIterator const &pkg, + std::string const &pattern) { +} + /*}}}*/ +// showSelectedVersion /*{{{*/ +void CacheSetHelper::showSelectedVersion(pkgCache::PkgIterator const &Pkg, + pkgCache::VerIterator const Ver, + std::string const &ver, + bool const verIsRel) { +} + /*}}}*/ } -- cgit v1.2.3