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-rw-r--r--cmdline/cacheset.cc507
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diff --git a/cmdline/cacheset.cc b/cmdline/cacheset.cc
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--- a/cmdline/cacheset.cc
+++ /dev/null
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-// -*- 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 <apt-pkg/aptconfiguration.h>
-#include <apt-pkg/cachefilter.h>
-#include <apt-pkg/error.h>
-#include <apt-pkg/strutl.h>
-#include <apt-pkg/versionmatch.h>
-
-#include <apti18n.h>
-
-#include "cacheset.h"
-
-#include <vector>
-
-#include <regex.h>
- /*}}}*/
-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<std::string> archs = APT::Configuration::getArchitectures();
- for (std::vector<std::string>::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<unsigned short, PackageSet> PackageSet::GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<PackageSet::Modifier> const &mods,
- unsigned short const &fallback, CacheSetHelper &helper) {
- std::map<unsigned short, PackageSet> pkgsets;
- for (const char **I = cmdline; *I != 0; ++I) {
- unsigned short modID = fallback;
- std::string str = *I;
- bool modifierPresent = false;
- for (std::list<PackageSet::Modifier>::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<unsigned short, VersionSet> VersionSet::GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<VersionSet::Modifier> const &mods,
- unsigned short const &fallback, CacheSetHelper &helper) {
- std::map<unsigned short, VersionSet> 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<VersionSet::Modifier>::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);
-}
- /*}}}*/
-}
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