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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 09:59:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 09:59:37 +0000
commit76e2632459410dec81337edb6a9fee33c9a660f3 (patch)
treea73345df208eede4a4daad340515c9328f34625c /apt-pkg/cacheset.cc
parentInitial commit. (diff)
downloadapt-76e2632459410dec81337edb6a9fee33c9a660f3.tar.xz
apt-76e2632459410dec81337edb6a9fee33c9a660f3.zip
Adding upstream version 2.7.12.upstream/2.7.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'apt-pkg/cacheset.cc')
-rw-r--r--apt-pkg/cacheset.cc942
1 files changed, 942 insertions, 0 deletions
diff --git a/apt-pkg/cacheset.cc b/apt-pkg/cacheset.cc
new file mode 100644
index 0000000..bfc85ef
--- /dev/null
+++ b/apt-pkg/cacheset.cc
@@ -0,0 +1,942 @@
+// -*- 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 <config.h>
+
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cachefilter.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/policy.h>
+#include <apt-pkg/versionmatch.h>
+
+#include <cstddef>
+#include <cstdio>
+#include <cstring>
+#include <list>
+#include <string>
+#include <vector>
+#include <regex.h>
+
+#include <apti18n.h>
+ /*}}}*/
+namespace APT {
+// PackageFrom - selecting the appropriate method for package selection /*{{{*/
+bool CacheSetHelper::PackageFrom(enum PkgSelector const select, PackageContainerInterface * const pci,
+ pkgCacheFile &Cache, std::string const &pattern) {
+ switch (select) {
+ case UNKNOWN: return false;
+ case REGEX: return PackageFromRegEx(pci, Cache, pattern);
+ case TASK: return PackageFromTask(pci, Cache, pattern);
+ case FNMATCH: return PackageFromFnmatch(pci, Cache, pattern);
+ case PACKAGENAME: return PackageFromPackageName(pci, Cache, pattern);
+ case STRING: return PackageFromString(pci, Cache, pattern);
+ case PATTERN: return PackageFromPattern(pci, Cache, pattern);
+ }
+ return false;
+}
+ /*}}}*/
+// PackageFromTask - Return all packages in the cache from a specific task /*{{{*/
+bool CacheSetHelper::PackageFromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
+ 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 false;
+ pattern.erase(pattern.length()-1);
+
+ if (unlikely(Cache.GetPkgCache() == 0 || Cache.GetDepCache() == 0))
+ return false;
+
+ bool const wasEmpty = pci->empty();
+ if (wasEmpty == true)
+ pci->setConstructor(CacheSetHelper::TASK);
+
+ // get the records
+ pkgRecords Recs(Cache);
+
+ // build regexp for the task
+ regex_t Pattern;
+ char S[300];
+ snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", pattern.c_str());
+ if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0) {
+ _error->Error("Failed to compile task regexp");
+ return false;
+ }
+
+ bool found = false;
+ for (pkgCache::GrpIterator Grp = Cache->GrpBegin(); Grp.end() == false; ++Grp) {
+ pkgCache::PkgIterator Pkg = Grp.FindPkg(arch);
+ if (Pkg.end() == true)
+ continue;
+ pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache);
+ if(ver.end() == true)
+ continue;
+
+ pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
+ const char *start, *end;
+ parser.GetRec(start,end);
+ unsigned int const length = end - start;
+ if (unlikely(length == 0))
+ continue;
+ char buf[length];
+ strncpy(buf, start, length);
+ buf[length-1] = '\0';
+ if (regexec(&Pattern, buf, 0, 0, 0) != 0)
+ continue;
+
+ pci->insert(Pkg);
+ showPackageSelection(Pkg, CacheSetHelper::TASK, pattern);
+ found = true;
+ }
+ regfree(&Pattern);
+
+ if (found == false) {
+ canNotFindPackage(CacheSetHelper::TASK, pci, Cache, pattern);
+ pci->setConstructor(CacheSetHelper::UNKNOWN);
+ return false;
+ }
+
+ if (wasEmpty == false && pci->getConstructor() != CacheSetHelper::UNKNOWN)
+ pci->setConstructor(CacheSetHelper::UNKNOWN);
+
+ return true;
+}
+ /*}}}*/
+// PackageFromRegEx - Return all packages in the cache matching a pattern /*{{{*/
+bool CacheSetHelper::PackageFromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
+ static const char * const isregex = ".?+*|[^$";
+
+ if (_config->FindB("APT::Cmd::Pattern-Only", false))
+ {
+ // Only allow explicit regexp pattern.
+ if (pattern.size() == 0 || (pattern[0] != '^' && pattern[pattern.size() - 1] != '$'))
+ return false;
+ } else {
+ if (pattern.find_first_of(isregex) == std::string::npos)
+ return false;
+ }
+
+ bool const wasEmpty = pci->empty();
+ if (wasEmpty == true)
+ pci->setConstructor(CacheSetHelper::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 false;
+
+ APT::CacheFilter::PackageNameMatchesRegEx regexfilter(pattern);
+
+ bool found = false;
+ 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)
+ Pkg = Grp.FindPreferredPkg(true);
+ if (Pkg.end() == true)
+ continue;
+ }
+
+ pci->insert(Pkg);
+ showPackageSelection(Pkg, CacheSetHelper::REGEX, pattern);
+ found = true;
+ }
+
+ if (found == false) {
+ canNotFindPackage(CacheSetHelper::REGEX, pci, Cache, pattern);
+ pci->setConstructor(CacheSetHelper::UNKNOWN);
+ return false;
+ }
+
+ if (wasEmpty == false && pci->getConstructor() != CacheSetHelper::UNKNOWN)
+ pci->setConstructor(CacheSetHelper::UNKNOWN);
+
+ return true;
+}
+ /*}}}*/
+// PackageFromFnmatch - Returns the package defined by this fnmatch /*{{{*/
+bool CacheSetHelper::PackageFromFnmatch(PackageContainerInterface * const pci,
+ pkgCacheFile &Cache, std::string pattern)
+{
+ static const char * const isfnmatch = ".?*[]!";
+ // Whitelist approach: Anything not in here is not a valid pattern
+ static const char *const isfnmatch_strict = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+-.:*";
+
+ if (_config->FindB("APT::Cmd::Pattern-Only", false) && pattern.find_first_not_of(isfnmatch_strict) != std::string::npos)
+ return false;
+ if (pattern.find_first_of(isfnmatch) == std::string::npos)
+ return false;
+
+ bool const wasEmpty = pci->empty();
+ if (wasEmpty == true)
+ pci->setConstructor(CacheSetHelper::FNMATCH);
+
+ 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(isfnmatch) == std::string::npos)
+ pattern.erase(archfound);
+ else
+ arch = "native";
+ }
+
+ if (unlikely(Cache.GetPkgCache() == 0))
+ return false;
+
+ APT::CacheFilter::PackageNameMatchesFnmatch filter(pattern);
+
+ bool found = false;
+ for (pkgCache::GrpIterator Grp = Cache.GetPkgCache()->GrpBegin(); Grp.end() == false; ++Grp) {
+ if (filter(Grp) == false)
+ continue;
+ pkgCache::PkgIterator Pkg = Grp.FindPkg(arch);
+ if (Pkg.end() == true) {
+ if (archfound == std::string::npos)
+ Pkg = Grp.FindPreferredPkg(true);
+ if (Pkg.end() == true)
+ continue;
+ }
+
+ pci->insert(Pkg);
+ showPackageSelection(Pkg, CacheSetHelper::FNMATCH, pattern);
+ found = true;
+ }
+
+ if (found == false) {
+ canNotFindPackage(CacheSetHelper::FNMATCH, pci, Cache, pattern);
+ pci->setConstructor(CacheSetHelper::UNKNOWN);
+ return false;
+ }
+
+ if (wasEmpty == false && pci->getConstructor() != CacheSetHelper::UNKNOWN)
+ pci->setConstructor(CacheSetHelper::UNKNOWN);
+
+ return true;
+}
+ /*}}}*/
+// PackageFromPackageName - Returns the package defined by this string /*{{{*/
+bool CacheSetHelper::PackageFromPackageName(PackageContainerInterface * const pci, pkgCacheFile &Cache,
+ std::string pkg) {
+ if (unlikely(Cache.GetPkgCache() == 0))
+ return false;
+
+ std::string const pkgstring = pkg;
+ size_t const archfound = pkg.find_last_of(':');
+ std::string arch;
+ if (archfound != std::string::npos) {
+ arch = pkg.substr(archfound+1);
+ pkg.erase(archfound);
+ if (arch == "all" || arch == "native")
+ arch = _config->Find("APT::Architecture");
+ }
+
+ pkgCache::GrpIterator Grp = Cache.GetPkgCache()->FindGrp(pkg);
+ if (Grp.end() == false) {
+ if (arch.empty() == true) {
+ pkgCache::PkgIterator Pkg = Grp.FindPreferredPkg();
+ if (Pkg.end() == false)
+ {
+ pci->insert(Pkg);
+ return true;
+ }
+ } else {
+ bool found = false;
+ // for 'linux-any' return the first package matching, for 'linux-*' return all matches
+ bool const isGlobal = arch.find('*') != std::string::npos;
+ APT::CacheFilter::PackageArchitectureMatchesSpecification pams(arch);
+ for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg)) {
+ if (pams(Pkg) == false)
+ continue;
+ pci->insert(Pkg);
+ found = true;
+ if (isGlobal == false)
+ break;
+ }
+ if (found == true)
+ return true;
+ }
+ }
+
+ pkgCache::PkgIterator Pkg = canNotFindPkgName(Cache, pkgstring);
+ if (Pkg.end() == true)
+ return false;
+
+ pci->insert(Pkg);
+ return true;
+}
+ /*}}}*/
+// PackageFromPattern - Return all packages matching a specific pattern /*{{{*/
+bool CacheSetHelper::PackageFromPattern(PackageContainerInterface *const pci, pkgCacheFile &Cache, std::string const &pattern)
+{
+ if (pattern.size() < 1 || (pattern[0] != '?' && pattern[0] != '~'))
+ return false;
+
+ auto compiledPattern = APT::CacheFilter::ParsePattern(pattern, &Cache);
+ if (!compiledPattern)
+ return false;
+
+ for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); Pkg.end() == false; ++Pkg)
+ {
+ if ((*compiledPattern)(Pkg) == false)
+ continue;
+
+ pci->insert(Pkg);
+ }
+ return true;
+}
+ /*}}}*/
+// PackageFromString - Return all packages matching a specific string /*{{{*/
+bool CacheSetHelper::PackageFromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str) {
+ bool found = true;
+ _error->PushToStack();
+
+ if (PackageFrom(CacheSetHelper::PATTERN, pci, Cache, str) == false &&
+ PackageFrom(CacheSetHelper::PACKAGENAME, pci, Cache, str) == false &&
+ PackageFrom(CacheSetHelper::TASK, pci, Cache, str) == false &&
+ // FIXME: hm, hm, regexp/fnmatch incompatible?
+ PackageFrom(CacheSetHelper::FNMATCH, pci, Cache, str) == false &&
+ PackageFrom(CacheSetHelper::REGEX, pci, Cache, str) == false)
+ {
+ canNotFindPackage(CacheSetHelper::PACKAGENAME, pci, Cache, str);
+ found = false;
+ }
+
+ if (found == true)
+ _error->RevertToStack();
+ else
+ _error->MergeWithStack();
+ return found;
+}
+ /*}}}*/
+// PackageFromCommandLine - Return all packages specified on commandline /*{{{*/
+bool CacheSetHelper::PackageFromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline) {
+ bool found = false;
+ for (const char **I = cmdline; *I != 0; ++I)
+ found |= PackageFrom(CacheSetHelper::STRING, pci, Cache, *I);
+ return found;
+}
+ /*}}}*/
+// FromModifierCommandLine - helper doing the work for PKG:GroupedFromCommandLine /*{{{*/
+bool CacheSetHelper::PackageFromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
+ pkgCacheFile &Cache, const char * cmdline,
+ std::list<PkgModifier> const &mods) {
+ std::string str = cmdline;
+ unsigned short fallback = modID;
+ bool modifierPresent = false;
+ for (std::list<PkgModifier>::const_iterator mod = mods.begin();
+ mod != mods.end(); ++mod) {
+ size_t const alength = strlen(mod->Alias);
+ switch(mod->Pos) {
+ case PkgModifier::POSTFIX:
+ if (str.compare(str.length() - alength, alength,
+ mod->Alias, 0, alength) != 0)
+ continue;
+ str.erase(str.length() - alength);
+ modID = mod->ID;
+ break;
+ case PkgModifier::PREFIX:
+ continue;
+ case PkgModifier::NONE:
+ continue;
+ }
+ modifierPresent = true;
+ break;
+ }
+ if (modifierPresent == true) {
+ bool const errors = showErrors(false);
+ bool const found = PackageFrom(PACKAGENAME, pci, Cache, cmdline);
+ showErrors(errors);
+ if (found == true) {
+ modID = fallback;
+ return true;
+ }
+ }
+ return PackageFrom(CacheSetHelper::PACKAGENAME, pci, Cache, str);
+}
+ /*}}}*/
+// FromModifierCommandLine - helper doing the work for VER:GroupedFromCommandLine /*{{{*/
+bool VersionContainerInterface::FromModifierCommandLine(unsigned short &modID,
+ VersionContainerInterface * const vci,
+ pkgCacheFile &Cache, const char * cmdline,
+ std::list<Modifier> const &mods,
+ CacheSetHelper &helper) {
+ CacheSetHelper::VerSelector select = CacheSetHelper::NEWEST;
+ std::string str = cmdline;
+ if (unlikely(str.empty() == true))
+ return false;
+ bool modifierPresent = false;
+ unsigned short fallback = modID;
+ for (std::list<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 Modifier::POSTFIX:
+ if (str.length() <= alength ||
+ 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;
+ }
+ modifierPresent = true;
+ break;
+ }
+ 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) {
+ modID = fallback;
+ return true;
+ }
+ }
+ return FromString(vci, Cache, str, select, helper);
+}
+ /*}}}*/
+// FromCommandLine - Return all versions specified on commandline /*{{{*/
+bool VersionContainerInterface::FromCommandLine(VersionContainerInterface * const vci,
+ pkgCacheFile &Cache, const char **cmdline,
+ CacheSetHelper::VerSelector const fallback,
+ CacheSetHelper &helper) {
+ bool found = false;
+ for (const char **I = cmdline; *I != 0; ++I)
+ found |= VersionContainerInterface::FromString(vci, Cache, *I, fallback, helper);
+ return found;
+}
+ /*}}}*/
+// FromString - Returns all versions spedcified by a string /*{{{*/
+bool VersionContainerInterface::FromString(VersionContainerInterface * const vci,
+ pkgCacheFile &Cache, std::string pkg,
+ CacheSetHelper::VerSelector const fallback,
+ CacheSetHelper &helper,
+ bool const onlyFromName) {
+ std::string ver;
+ bool verIsRel = false;
+ size_t const vertag = pkg.find_last_of("/=");
+ if (vertag != std::string::npos) {
+ ver = pkg.substr(vertag+1);
+ verIsRel = (pkg[vertag] == '/');
+ pkg.erase(vertag);
+ }
+
+ PackageSet pkgset;
+ if (onlyFromName == false)
+ helper.PackageFrom(CacheSetHelper::STRING, &pkgset, Cache, pkg);
+ else {
+ helper.PackageFrom(CacheSetHelper::PACKAGENAME, &pkgset, Cache, pkg);
+ }
+
+ bool errors = true;
+ if (pkgset.getConstructor() != CacheSetHelper::UNKNOWN)
+ errors = helper.showErrors(false);
+
+ bool found = false;
+ for (PackageSet::const_iterator P = pkgset.begin();
+ P != pkgset.end(); ++P) {
+ if (vertag == std::string::npos) {
+ found |= VersionContainerInterface::FromPackage(vci, 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 if (ver == "newest") {
+ if (P->VersionList != 0)
+ V = P.VersionList();
+ else
+ V = helper.canNotGetVersion(CacheSetHelper::NEWEST, Cache, P);
+ } else {
+ pkgVersionMatch Match(ver, (verIsRel == true ? pkgVersionMatch::Release :
+ pkgVersionMatch::Version));
+ V = Match.Find(P);
+ helper.setLastVersionMatcher(ver);
+ if (V.end()) {
+ bool errors = true;
+ errors = helper.showErrors(true);
+ if (verIsRel == true)
+ V = helper.canNotGetVersion(CacheSetHelper::RELEASE, Cache, P);
+ else
+ V = helper.canNotGetVersion(CacheSetHelper::VERSIONNUMBER, Cache, P);
+ helper.showErrors(errors);
+ }
+ }
+ if (V.end() == true)
+ continue;
+ if (verIsRel == true)
+ helper.showVersionSelection(P, V, CacheSetHelper::RELEASE, ver);
+ else
+ helper.showVersionSelection(P, V, CacheSetHelper::VERSIONNUMBER, ver);
+ vci->insert(V);
+ found = true;
+ }
+ if (pkgset.getConstructor() != CacheSetHelper::UNKNOWN)
+ helper.showErrors(errors);
+ return found;
+}
+ /*}}}*/
+// FromPackage - versions from package based on fallback /*{{{*/
+bool VersionContainerInterface::FromPackage(VersionContainerInterface * const vci,
+ pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &P,
+ CacheSetHelper::VerSelector const fallback,
+ CacheSetHelper &helper) {
+ pkgCache::VerIterator V;
+ bool showErrors;
+ bool found = false;
+ switch(fallback) {
+ case CacheSetHelper::ALL:
+ if (P->VersionList != 0)
+ for (V = P.VersionList(); V.end() != true; ++V)
+ found |= vci->insert(V);
+ else
+ helper.canNotFindVersion(CacheSetHelper::ALL, vci, Cache, P);
+ break;
+ case CacheSetHelper::CANDANDINST:
+ found |= vci->insert(getInstalledVer(Cache, P, helper));
+ found |= vci->insert(getCandidateVer(Cache, P, helper));
+ break;
+ case CacheSetHelper::CANDIDATE:
+ found |= vci->insert(getCandidateVer(Cache, P, helper));
+ break;
+ case CacheSetHelper::INSTALLED:
+ found |= vci->insert(getInstalledVer(Cache, P, helper));
+ break;
+ case CacheSetHelper::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)
+ found |= vci->insert(V);
+ else
+ helper.canNotFindVersion(CacheSetHelper::CANDINST, vci, Cache, P);
+ break;
+ case CacheSetHelper::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)
+ found |= vci->insert(V);
+ else
+ helper.canNotFindVersion(CacheSetHelper::INSTCAND, vci, Cache, P);
+ break;
+ case CacheSetHelper::NEWEST:
+ if (P->VersionList != 0)
+ found |= vci->insert(P.VersionList());
+ else
+ helper.canNotFindVersion(CacheSetHelper::NEWEST, vci, Cache, P);
+ break;
+ case CacheSetHelper::RELEASE:
+ {
+ pkgVersionMatch Match(helper.getLastVersionMatcher(), pkgVersionMatch::Release);
+ V = Match.Find(P);
+ if (not V.end())
+ found |= vci->insert(V);
+ else
+ helper.canNotFindVersion(CacheSetHelper::RELEASE, vci, Cache, P);
+ }
+ break;
+ case CacheSetHelper::VERSIONNUMBER:
+ {
+ pkgVersionMatch Match(helper.getLastVersionMatcher(), pkgVersionMatch::Version);
+ V = Match.Find(P);
+ if (not V.end())
+ found |= vci->insert(V);
+ else
+ helper.canNotFindVersion(CacheSetHelper::VERSIONNUMBER, vci, Cache, P);
+ }
+ break;
+ }
+ return found;
+}
+ /*}}}*/
+// FromDependency - versions satisfying a given dependency /*{{{*/
+bool VersionContainerInterface::FromDependency(VersionContainerInterface * const vci,
+ pkgCacheFile &Cache,
+ pkgCache::DepIterator const &D,
+ CacheSetHelper::VerSelector const selector,
+ CacheSetHelper &helper)
+{
+ bool found = false;
+ auto const insertVersion = [&](pkgCache::PkgIterator const &TP, pkgCache::VerIterator const &TV) {
+ if (not TV.end() && not D.IsIgnorable(TP) && D.IsSatisfied(TV))
+ {
+ vci->insert(TV);
+ found = true;
+ }
+ };
+ pkgCache::PkgIterator const T = D.TargetPkg();
+ auto const insertAllTargetVersions = [&](auto const &getTargetVersion) {
+ insertVersion(T, getTargetVersion(T));
+ for (auto Prv = T.ProvidesList(); not Prv.end(); ++Prv)
+ {
+ if (D.IsIgnorable(Prv))
+ continue;
+ auto const OP = Prv.OwnerPkg();
+ auto const TV = getTargetVersion(OP);
+ if (Prv.OwnerVer() == TV && D.IsSatisfied(Prv))
+ {
+ vci->insert(TV);
+ found = true;
+ }
+ }
+ return found;
+ };
+ switch(selector) {
+ case CacheSetHelper::ALL:
+ for (auto Ver = T.VersionList(); not Ver.end(); ++Ver)
+ {
+ insertVersion(T, Ver);
+ for (pkgCache::PrvIterator Prv = T.ProvidesList(); not Prv.end(); ++Prv)
+ if (not D.IsIgnorable(Prv))
+ {
+ vci->insert(Prv.OwnerVer());
+ found = true;
+ }
+ }
+ return found;
+ case CacheSetHelper::CANDANDINST:
+ found = FromDependency(vci, Cache, D, CacheSetHelper::CANDIDATE, helper);
+ found &= FromDependency(vci, Cache, D, CacheSetHelper::INSTALLED, helper);
+ return found;
+ case CacheSetHelper::CANDIDATE:
+ // skip looking if we have already cached that we will find nothing
+ if (((Cache[D] & pkgDepCache::DepCVer) == 0) != D.IsNegative())
+ return found;
+ return insertAllTargetVersions([&](pkgCache::PkgIterator const &OP) { return Cache[OP].CandidateVerIter(Cache); });
+ case CacheSetHelper::INSTALLED:
+ return insertAllTargetVersions([&](pkgCache::PkgIterator const &OP) { return OP.CurrentVer(); });
+ case CacheSetHelper::CANDINST:
+ return FromDependency(vci, Cache, D, CacheSetHelper::CANDIDATE, helper) ||
+ FromDependency(vci, Cache, D, CacheSetHelper::INSTALLED, helper);
+ case CacheSetHelper::INSTCAND:
+ return FromDependency(vci, Cache, D, CacheSetHelper::INSTALLED, helper) ||
+ FromDependency(vci, Cache, D, CacheSetHelper::CANDIDATE, helper);
+ case CacheSetHelper::NEWEST:
+ return insertAllTargetVersions([&](pkgCache::PkgIterator const &OP) { return OP.VersionList(); });
+ case CacheSetHelper::RELEASE:
+ case CacheSetHelper::VERSIONNUMBER:
+ // both make no sense here, so always false
+ return false;
+ }
+ return found;
+}
+ /*}}}*/
+// getCandidateVer - Returns the candidate version of the given package /*{{{*/
+pkgCache::VerIterator VersionContainerInterface::getCandidateVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) {
+ pkgCache::VerIterator Cand;
+ if (Cache.IsDepCacheBuilt() == true) {
+ Cand = Cache[Pkg].CandidateVerIter(Cache);
+ } else if (unlikely(Cache.GetPolicy() == nullptr)) {
+ return pkgCache::VerIterator(Cache);
+ } else {
+ Cand = Cache.GetPolicy()->GetCandidateVer(Pkg);
+ }
+ if (Cand.end() == true)
+ return helper.canNotGetVersion(CacheSetHelper::CANDIDATE, Cache, Pkg);
+ return Cand;
+}
+ /*}}}*/
+// getInstalledVer - Returns the installed version of the given package /*{{{*/
+pkgCache::VerIterator VersionContainerInterface::getInstalledVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) {
+ if (Pkg->CurrentVer == 0)
+ return helper.canNotGetVersion(CacheSetHelper::INSTALLED, Cache, Pkg);
+ return Pkg.CurrentVer();
+}
+ /*}}}*/
+
+// canNotFindPackage - with the given selector and pattern /*{{{*/
+void CacheSetHelper::canNotFindPackage(enum PkgSelector const select,
+ PackageContainerInterface * const pci, pkgCacheFile &Cache,
+ std::string const &pattern) {
+ switch (select) {
+ case REGEX: canNotFindRegEx(pci, Cache, pattern); break;
+ case TASK: canNotFindTask(pci, Cache, pattern); break;
+ case FNMATCH: canNotFindFnmatch(pci, Cache, pattern); break;
+ case PACKAGENAME: canNotFindPackage(pci, Cache, pattern); break;
+ case STRING: canNotFindPackage(pci, Cache, pattern); break;
+ case PATTERN: canNotFindPackage(pci, Cache, pattern); break;
+ case UNKNOWN: break;
+ }
+}
+// canNotFindTask - handle the case no package is found for a task /*{{{*/
+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());
+}
+ /*}}}*/
+// canNotFindRegEx - handle the case no package is found by a regex /*{{{*/
+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());
+}
+ /*}}}*/
+// canNotFindFnmatch - handle the case no package is found by a fnmatch /*{{{*/
+ void CacheSetHelper::canNotFindFnmatch(PackageContainerInterface * const /*pci*/, pkgCacheFile &/*Cache*/, std::string pattern) {
+ if (ShowError == true)
+ _error->Insert(ErrorType, _("Couldn't find any package by glob '%s'"), pattern.c_str());
+}
+ /*}}}*/
+// canNotFindPackage - handle the case no package is found from a string/*{{{*/
+void CacheSetHelper::canNotFindPackage(PackageContainerInterface * const /*pci*/, pkgCacheFile &/*Cache*/, std::string const &/*str*/) {
+}
+ /*}}}*/
+ /*}}}*/
+// canNotFindPkgName - handle the case no package has this name /*{{{*/
+pkgCache::PkgIterator CacheSetHelper::canNotFindPkgName(pkgCacheFile &Cache,
+ std::string const &str) {
+ if (ShowError == true)
+ _error->Insert(ErrorType, _("Unable to locate package %s"), str.c_str());
+ return pkgCache::PkgIterator(Cache, 0);
+}
+ /*}}}*/
+// canNotFindVersion - for package by selector /*{{{*/
+void CacheSetHelper::canNotFindVersion(enum VerSelector const select, VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg)
+{
+ switch (select) {
+ case ALL: canNotFindAllVer(vci, Cache, Pkg); break;
+ case INSTCAND: canNotFindInstCandVer(vci, Cache, Pkg); break;
+ case CANDINST: canNotFindCandInstVer(vci, Cache, Pkg); break;
+ case NEWEST: canNotFindNewestVer(Cache, Pkg); break;
+ case CANDIDATE: canNotFindCandidateVer(Cache, Pkg); break;
+ case INSTALLED: canNotFindInstalledVer(Cache, Pkg); break;
+ case CANDANDINST: canNotGetCandInstVer(Cache, Pkg); break;
+ case RELEASE: canNotGetVerFromRelease(Cache, Pkg, getLastVersionMatcher()); break;
+ case VERSIONNUMBER: canNotGetVerFromVersionNumber(Cache, Pkg, getLastVersionMatcher()); break;
+ }
+}
+// canNotFindAllVer /*{{{*/
+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());
+}
+ /*}}}*/
+// canNotFindInstCandVer /*{{{*/
+void CacheSetHelper::canNotFindInstCandVer(VersionContainerInterface * const /*vci*/, pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg) {
+ canNotGetInstCandVer(Cache, Pkg);
+}
+ /*}}}*/
+// canNotFindInstCandVer /*{{{*/
+void CacheSetHelper::canNotFindCandInstVer(VersionContainerInterface * const /*vci*/, pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg) {
+ canNotGetCandInstVer(Cache, Pkg);
+}
+ /*}}}*/
+ /*}}}*/
+// canNotGetVersion - for package by selector /*{{{*/
+pkgCache::VerIterator CacheSetHelper::canNotGetVersion(enum VerSelector const select, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+ switch (select) {
+ case NEWEST: return canNotFindNewestVer(Cache, Pkg);
+ case CANDIDATE: return canNotFindCandidateVer(Cache, Pkg);
+ case INSTALLED: return canNotFindInstalledVer(Cache, Pkg);
+ case CANDINST: return canNotGetCandInstVer(Cache, Pkg);
+ case INSTCAND: return canNotGetInstCandVer(Cache, Pkg);
+ case RELEASE: return canNotGetVerFromRelease(Cache, Pkg, getLastVersionMatcher());
+ case VERSIONNUMBER: return canNotGetVerFromVersionNumber(Cache, Pkg, getLastVersionMatcher());
+ case ALL:
+ case CANDANDINST:
+ // invalid in this branch
+ return pkgCache::VerIterator(Cache, 0);
+ }
+ return pkgCache::VerIterator(Cache, 0);
+}
+// canNotFindNewestVer /*{{{*/
+pkgCache::VerIterator CacheSetHelper::canNotFindNewestVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg) {
+ if (ShowError == true)
+ _error->Insert(ErrorType, _("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->Insert(ErrorType, _("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->Insert(ErrorType, _("Can't select installed version from package %s as it is not installed"), Pkg.FullName(true).c_str());
+ return pkgCache::VerIterator(Cache, 0);
+}
+ /*}}}*/
+// canNotFindInstCandVer /*{{{*/
+pkgCache::VerIterator CacheSetHelper::canNotGetInstCandVer(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 pkgCache::VerIterator(Cache, 0);
+}
+ /*}}}*/
+// canNotFindInstCandVer /*{{{*/
+pkgCache::VerIterator CacheSetHelper::canNotGetCandInstVer(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 pkgCache::VerIterator(Cache, 0);
+}
+ /*}}}*/
+// canNotFindMatchingVer /*{{{*/
+pkgCache::VerIterator CacheSetHelper::canNotGetVerFromRelease(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, std::string const &release) {
+ if (ShowError == true)
+ _error->Insert(ErrorType, _("Release '%s' for '%s' was not found"), release.c_str(), Pkg.FullName(true).c_str());
+ return pkgCache::VerIterator(Cache, 0);
+}
+pkgCache::VerIterator CacheSetHelper::canNotGetVerFromVersionNumber(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, std::string const &verstr) {
+ if (ShowError == true)
+ _error->Insert(ErrorType, _("Version '%s' for '%s' was not found"), verstr.c_str(), Pkg.FullName(true).c_str());
+ return pkgCache::VerIterator(Cache, 0);
+}
+ /*}}}*/
+ /*}}}*/
+// showPackageSelection - by selector and given pattern /*{{{*/
+void CacheSetHelper::showPackageSelection(pkgCache::PkgIterator const &pkg, enum PkgSelector const select,
+ std::string const &pattern) {
+ switch (select) {
+ case REGEX: showRegExSelection(pkg, pattern); break;
+ case TASK: showTaskSelection(pkg, pattern); break;
+ case FNMATCH: showFnmatchSelection(pkg, pattern); break;
+ case PATTERN: showPatternSelection(pkg, pattern); break;
+ case PACKAGENAME: /* no surprises here */ break;
+ case STRING: /* handled by the special cases */ break;
+ case UNKNOWN: break;
+ }
+}
+// showTaskSelection /*{{{*/
+void CacheSetHelper::showTaskSelection(pkgCache::PkgIterator const &/*pkg*/,
+ std::string const &/*pattern*/) {
+}
+ /*}}}*/
+// showRegExSelection /*{{{*/
+void CacheSetHelper::showRegExSelection(pkgCache::PkgIterator const &/*pkg*/,
+ std::string const &/*pattern*/) {
+}
+ /*}}}*/
+// showFnmatchSelection /*{{{*/
+void CacheSetHelper::showFnmatchSelection(pkgCache::PkgIterator const &/*pkg*/,
+ std::string const &/*pattern*/) {
+}
+ /*}}}*/
+// showPatternSelection /*{{{*/
+void CacheSetHelper::showPatternSelection(pkgCache::PkgIterator const & /*pkg*/,
+ std::string const & /*pattern*/)
+{
+}
+ /*}}}*/
+ /*}}}*/
+// showVersionSelection /*{{{*/
+void CacheSetHelper::showVersionSelection(pkgCache::PkgIterator const &Pkg,
+ pkgCache::VerIterator const &Ver, enum VerSelector const select, std::string const &pattern) {
+ switch (select) {
+ case RELEASE:
+ showSelectedVersion(Pkg, Ver, pattern, true);
+ break;
+ case VERSIONNUMBER:
+ showSelectedVersion(Pkg, Ver, pattern, false);
+ break;
+ case NEWEST:
+ case CANDIDATE:
+ case INSTALLED:
+ case CANDINST:
+ case INSTCAND:
+ case ALL:
+ case CANDANDINST:
+ // not really surprises, but in fact: just not implemented
+ break;
+ }
+}
+void CacheSetHelper::showSelectedVersion(pkgCache::PkgIterator const &/*Pkg*/,
+ pkgCache::VerIterator const /*Ver*/,
+ std::string const &/*ver*/,
+ bool const /*verIsRel*/) {
+}
+ /*}}}*/
+
+class CacheSetHelper::Private {
+public:
+ std::string version_or_release;
+};
+std::string CacheSetHelper::getLastVersionMatcher() const { return d->version_or_release; }
+void CacheSetHelper::setLastVersionMatcher(std::string const &matcher) { d->version_or_release = matcher; }
+
+CacheSetHelper::CacheSetHelper(bool const ShowError, GlobalError::MsgType ErrorType) :
+ ShowError(ShowError), ErrorType(ErrorType), d(new Private{}) {}
+CacheSetHelper::~CacheSetHelper() { delete d; }
+
+PackageContainerInterface::PackageContainerInterface() : ConstructedBy(CacheSetHelper::UNKNOWN), d(NULL) {}
+PackageContainerInterface::PackageContainerInterface(PackageContainerInterface const &by) : PackageContainerInterface() { *this = by; }
+PackageContainerInterface::PackageContainerInterface(CacheSetHelper::PkgSelector const by) : ConstructedBy(by), d(NULL) {}
+PackageContainerInterface& PackageContainerInterface::operator=(PackageContainerInterface const &other) {
+ if (this != &other)
+ this->ConstructedBy = other.ConstructedBy;
+ return *this;
+}
+PackageContainerInterface::~PackageContainerInterface() {}
+
+PackageUniverse::PackageUniverse(pkgCache * const Owner) : _cont(Owner), d(NULL) {}
+PackageUniverse::PackageUniverse(pkgCacheFile * const Owner) : _cont(Owner->GetPkgCache()), d(NULL) {}
+PackageUniverse::~PackageUniverse() {}
+
+VersionContainerInterface::VersionContainerInterface() : d(NULL) {}
+VersionContainerInterface::VersionContainerInterface(VersionContainerInterface const &other) : VersionContainerInterface() {
+ *this = other;
+};
+VersionContainerInterface& VersionContainerInterface::operator=(VersionContainerInterface const &) {
+ return *this;
+}
+
+VersionContainerInterface::~VersionContainerInterface() {}
+}