adapt to the new CacheSetHelper API

[apt.git] / apt-pkg / cacheset.cc

diff --git a/apt-pkg/cacheset.cc b/apt-pkg/cacheset.cc
index 1fea4f94a21710b0773ba944228a6492569bbe1d..3c38895e972a67338bf2588f9094d9f4d602d4a3 100644 (file)
--- a/apt-pkg/cacheset.cc
+++ b/apt-pkg/cacheset.cc
@@ -16,14 +16,23 @@
 #include <apt-pkg/cachefilter.h>
 #include <apt-pkg/cacheset.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/cachefilter.h>
 #include <apt-pkg/cacheset.h>
 #include <apt-pkg/error.h>

-#include <apt-pkg/strutl.h>

 #include <apt-pkg/versionmatch.h>
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/policy.h>
 #include <apt-pkg/versionmatch.h>
 #include <apt-pkg/pkgrecords.h>
 #include <apt-pkg/policy.h>

-
-#include <vector>
-
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/fileutl.h>
+
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>

 #include <regex.h>
 #include <regex.h>

+#include <list>
+#include <string>
+#include <vector>

 
 #include <apti18n.h>
                                                                        /*}}}*/
 
 #include <apti18n.h>
                                                                        /*}}}*/


@@ -46,7 +55,7 @@ bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci,
 
        bool const wasEmpty = pci->empty();
        if (wasEmpty == true)
 
        bool const wasEmpty = pci->empty();
        if (wasEmpty == true)

-               pci->setConstructor(TASK);
+               pci->setConstructor(CacheSetHelper::TASK);

 
        // get the records
        pkgRecords Recs(Cache);
 
        // get the records
        pkgRecords Recs(Cache);


@@ -73,6 +82,8 @@ bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci,
                const char *start, *end;
                parser.GetRec(start,end);
                unsigned int const length = end - start;
                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';
                char buf[length];
                strncpy(buf, start, length);
                buf[length-1] = '\0';


@@ -80,19 +91,19 @@ bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci,
                        continue;
 
                pci->insert(Pkg);
                        continue;
 
                pci->insert(Pkg);

-               helper.showTaskSelection(Pkg, pattern);
+               helper.showPackageSelection(Pkg, CacheSetHelper::TASK, pattern);

                found = true;
        }
        regfree(&Pattern);
 
        if (found == false) {
                found = true;
        }
        regfree(&Pattern);
 
        if (found == false) {

-               helper.canNotFindTask(pci, Cache, pattern);
-               pci->setConstructor(UNKNOWN);
+               helper.canNotFindPackage(CacheSetHelper::TASK, pci, Cache, pattern);
+               pci->setConstructor(CacheSetHelper::UNKNOWN);

                return false;
        }
 
                return false;
        }
 

-       if (wasEmpty == false && pci->getConstructor() != UNKNOWN)
-               pci->setConstructor(UNKNOWN);
+       if (wasEmpty == false && pci->getConstructor() != CacheSetHelper::UNKNOWN)
+               pci->setConstructor(CacheSetHelper::UNKNOWN);

 
        return true;
 }
 
        return true;
 }


@@ -105,7 +116,7 @@ bool PackageContainerInterface::FromRegEx(PackageContainerInterface * const pci,
 
        bool const wasEmpty = pci->empty();
        if (wasEmpty == true)
 
        bool const wasEmpty = pci->empty();
        if (wasEmpty == true)

-               pci->setConstructor(REGEX);
+               pci->setConstructor(CacheSetHelper::REGEX);

 
        size_t archfound = pattern.find_last_of(':');
        std::string arch = "native";
 
        size_t archfound = pattern.find_last_of(':');
        std::string arch = "native";


@@ -139,18 +150,81 @@ bool PackageContainerInterface::FromRegEx(PackageContainerInterface * const pci,
                }
 
                pci->insert(Pkg);
                }
 
                pci->insert(Pkg);

-               helper.showRegExSelection(Pkg, pattern);
+               helper.showPackageSelection(Pkg, CacheSetHelper::REGEX, pattern);

                found = true;
        }
 
        if (found == false) {
                found = true;
        }
 
        if (found == false) {

-               helper.canNotFindRegEx(pci, Cache, pattern);
-               pci->setConstructor(UNKNOWN);
+               helper.canNotFindPackage(CacheSetHelper::REGEX, pci, Cache, pattern);
+               pci->setConstructor(CacheSetHelper::UNKNOWN);

                return false;
        }
 
                return false;
        }
 

-       if (wasEmpty == false && pci->getConstructor() != UNKNOWN)
-               pci->setConstructor(UNKNOWN);
+       if (wasEmpty == false && pci->getConstructor() != CacheSetHelper::UNKNOWN)
+               pci->setConstructor(CacheSetHelper::UNKNOWN);
+
+       return true;
+}
+                                                                       /*}}}*/
+// FromFnmatch - Returns the package defined  by this fnmatch          /*{{{*/
+bool 
+PackageContainerInterface::FromFnmatch(PackageContainerInterface * const pci, 
+                                       pkgCacheFile &Cache,
+                                       std::string pattern,
+                                       CacheSetHelper &helper)
+{
+       static const char * const isfnmatch = ".?*[]!";
+       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) {
+                               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;
+               }
+
+               pci->insert(Pkg);
+               helper.showPackageSelection(Pkg, CacheSetHelper::FNMATCH, pattern);
+               found = true;
+       }
+
+       if (found == false) {
+               helper.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;
 }
 
        return true;
 }


@@ -239,9 +313,11 @@ bool PackageContainerInterface::FromString(PackageContainerInterface * const pci
 
        if (FromGroup(pci, Cache, str, helper) == false &&
                 FromTask(pci, Cache, str, helper) == false &&
 
        if (FromGroup(pci, Cache, str, helper) == false &&
                 FromTask(pci, Cache, str, helper) == false &&

+                // FIXME: hm, hm, regexp/fnmatch incompatible?
+                FromFnmatch(pci, Cache, str, helper) == false &&

                 FromRegEx(pci, Cache, str, helper) == false)
        {
                 FromRegEx(pci, Cache, str, helper) == false)
        {

-               helper.canNotFindPackage(pci, Cache, str);
+               helper.canNotFindPackage(CacheSetHelper::PACKAGENAME, pci, Cache, str);

                found = false;
        }
 
                found = false;
        }
 


@@ -305,8 +381,10 @@ bool VersionContainerInterface::FromModifierCommandLine(unsigned short &modID,
                                                        pkgCacheFile &Cache, const char * cmdline,
                                                        std::list<Modifier> const &mods,
                                                        CacheSetHelper &helper) {
                                                        pkgCacheFile &Cache, const char * cmdline,
                                                        std::list<Modifier> const &mods,
                                                        CacheSetHelper &helper) {

-       Version select = NEWEST;
+       CacheSetHelper::VerSelector select = CacheSetHelper::NEWEST;

        std::string str = cmdline;
        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();
        bool modifierPresent = false;
        unsigned short fallback = modID;
        for (std::list<Modifier>::const_iterator mod = mods.begin();


@@ -316,8 +394,8 @@ bool VersionContainerInterface::FromModifierCommandLine(unsigned short &modID,
                size_t const alength = strlen(mod->Alias);
                switch(mod->Pos) {
                case Modifier::POSTFIX:
                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)
+                       if (str.length() <= alength ||
+                             str.compare(str.length() - alength, alength, mod->Alias, 0, alength) != 0)

                                continue;
                        str.erase(str.length() - alength);
                        modID = mod->ID;
                                continue;
                        str.erase(str.length() - alength);
                        modID = mod->ID;


@@ -346,7 +424,8 @@ bool VersionContainerInterface::FromModifierCommandLine(unsigned short &modID,
 // FromCommandLine - Return all versions specified on commandline      /*{{{*/
 bool VersionContainerInterface::FromCommandLine(VersionContainerInterface * const vci,
                                                pkgCacheFile &Cache, const char **cmdline,
 // FromCommandLine - Return all versions specified on commandline      /*{{{*/
 bool VersionContainerInterface::FromCommandLine(VersionContainerInterface * const vci,
                                                pkgCacheFile &Cache, const char **cmdline,

-                                               Version const &fallback, CacheSetHelper &helper) {
+                                               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);
        bool found = false;
        for (const char **I = cmdline; *I != 0; ++I)
                found |= VersionContainerInterface::FromString(vci, Cache, *I, fallback, helper);


@@ -356,8 +435,18 @@ bool VersionContainerInterface::FromCommandLine(VersionContainerInterface * cons
 // FromString - Returns all versions spedcified by a string            /*{{{*/
 bool VersionContainerInterface::FromString(VersionContainerInterface * const vci,
                                           pkgCacheFile &Cache, std::string pkg,
 // FromString - Returns all versions spedcified by a string            /*{{{*/
 bool VersionContainerInterface::FromString(VersionContainerInterface * const vci,
                                           pkgCacheFile &Cache, std::string pkg,

-                                          Version const &fallback, CacheSetHelper &helper,
+                                          CacheSetHelper::VerSelector const fallback,
+                                          CacheSetHelper &helper,

                                           bool const onlyFromName) {
                                           bool const onlyFromName) {

+        PackageSet pkgset;
+        if(FileExists(pkg))
+        {
+                PackageContainerInterface::FromString(&pkgset, Cache, pkg, helper);
+                if(pkgset.size() == 0)
+                   return false;
+                return VersionContainerInterface::FromPackage(vci, Cache, pkgset.begin(), fallback, helper);
+        }
+

        std::string ver;
        bool verIsRel = false;
        size_t const vertag = pkg.find_last_of("/=");
        std::string ver;
        bool verIsRel = false;
        size_t const vertag = pkg.find_last_of("/=");


@@ -366,7 +455,6 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
                verIsRel = (pkg[vertag] == '/');
                pkg.erase(vertag);
        }
                verIsRel = (pkg[vertag] == '/');
                pkg.erase(vertag);
        }

-       PackageSet pkgset;

        if (onlyFromName == false)
                PackageContainerInterface::FromString(&pkgset, Cache, pkg, helper);
        else {
        if (onlyFromName == false)
                PackageContainerInterface::FromString(&pkgset, Cache, pkg, helper);
        else {


@@ -374,7 +462,7 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
        }
 
        bool errors = true;
        }
 
        bool errors = true;

-       if (pkgset.getConstructor() != PackageSet::UNKNOWN)
+       if (pkgset.getConstructor() != CacheSetHelper::UNKNOWN)

                errors = helper.showErrors(false);
 
        bool found = false;
                errors = helper.showErrors(false);
 
        bool found = false;


@@ -393,7 +481,7 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
                        if (P->VersionList != 0)
                                V = P.VersionList();
                        else
                        if (P->VersionList != 0)
                                V = P.VersionList();
                        else

-                               V = helper.canNotFindNewestVer(Cache, P);
+                               V = helper.canNotGetVersion(CacheSetHelper::NEWEST, Cache, P);

                } else {
                        pkgVersionMatch Match(ver, (verIsRel == true ? pkgVersionMatch::Release :
                                        pkgVersionMatch::Version));
                } else {
                        pkgVersionMatch Match(ver, (verIsRel == true ? pkgVersionMatch::Release :
                                        pkgVersionMatch::Version));


@@ -410,11 +498,14 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
                }
                if (V.end() == true)
                        continue;
                }
                if (V.end() == true)
                        continue;

-               helper.showSelectedVersion(P, V, ver, verIsRel);
+               if (verIsRel == true)
+                       helper.showVersionSelection(P, V, CacheSetHelper::RELEASE, ver);
+               else
+                       helper.showVersionSelection(P, V, CacheSetHelper::VERSIONNUMBER, ver);

                vci->insert(V);
                found = true;
        }
                vci->insert(V);
                found = true;
        }

-       if (pkgset.getConstructor() != PackageSet::UNKNOWN)
+       if (pkgset.getConstructor() != CacheSetHelper::UNKNOWN)

                helper.showErrors(errors);
        return found;
 }
                helper.showErrors(errors);
        return found;
 }


@@ -423,30 +514,30 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
 bool VersionContainerInterface::FromPackage(VersionContainerInterface * const vci,
                                            pkgCacheFile &Cache,
                                            pkgCache::PkgIterator const &P,
 bool VersionContainerInterface::FromPackage(VersionContainerInterface * const vci,
                                            pkgCacheFile &Cache,
                                            pkgCache::PkgIterator const &P,

-                                           Version const &fallback,
+                                           CacheSetHelper::VerSelector const fallback,

                                            CacheSetHelper &helper) {
        pkgCache::VerIterator V;
        bool showErrors;
        bool found = false;
        switch(fallback) {
                                            CacheSetHelper &helper) {
        pkgCache::VerIterator V;
        bool showErrors;
        bool found = false;
        switch(fallback) {

-       case ALL:
+       case CacheSetHelper::ALL:

                if (P->VersionList != 0)
                        for (V = P.VersionList(); V.end() != true; ++V)
                                found |= vci->insert(V);
                else
                if (P->VersionList != 0)
                        for (V = P.VersionList(); V.end() != true; ++V)
                                found |= vci->insert(V);
                else

-                       helper.canNotFindAllVer(vci, Cache, P);
+                       helper.canNotFindVersion(CacheSetHelper::ALL, vci, Cache, P);

                break;
                break;

-       case CANDANDINST:
+       case CacheSetHelper::CANDANDINST:

                found |= vci->insert(getInstalledVer(Cache, P, helper));
                found |= vci->insert(getCandidateVer(Cache, P, helper));
                break;
                found |= vci->insert(getInstalledVer(Cache, P, helper));
                found |= vci->insert(getCandidateVer(Cache, P, helper));
                break;

-       case CANDIDATE:
+       case CacheSetHelper::CANDIDATE:

                found |= vci->insert(getCandidateVer(Cache, P, helper));
                break;
                found |= vci->insert(getCandidateVer(Cache, P, helper));
                break;

-       case INSTALLED:
+       case CacheSetHelper::INSTALLED:

                found |= vci->insert(getInstalledVer(Cache, P, helper));
                break;
                found |= vci->insert(getInstalledVer(Cache, P, helper));
                break;

-       case CANDINST:
+       case CacheSetHelper::CANDINST:

                showErrors = helper.showErrors(false);
                V = getCandidateVer(Cache, P, helper);
                if (V.end() == true)
                showErrors = helper.showErrors(false);
                V = getCandidateVer(Cache, P, helper);
                if (V.end() == true)


@@ -455,9 +546,9 @@ bool VersionContainerInterface::FromPackage(VersionContainerInterface * const vc
                if (V.end() == false)
                        found |= vci->insert(V);
                else
                if (V.end() == false)
                        found |= vci->insert(V);
                else

-                       helper.canNotFindInstCandVer(vci, Cache, P);
+                       helper.canNotFindVersion(CacheSetHelper::CANDINST, vci, Cache, P);

                break;
                break;

-       case INSTCAND:
+       case CacheSetHelper::INSTCAND:

                showErrors = helper.showErrors(false);
                V = getInstalledVer(Cache, P, helper);
                if (V.end() == true)
                showErrors = helper.showErrors(false);
                V = getInstalledVer(Cache, P, helper);
                if (V.end() == true)


@@ -466,14 +557,18 @@ bool VersionContainerInterface::FromPackage(VersionContainerInterface * const vc
                if (V.end() == false)
                        found |= vci->insert(V);
                else
                if (V.end() == false)
                        found |= vci->insert(V);
                else

-                       helper.canNotFindInstCandVer(vci, Cache, P);
+                       helper.canNotFindVersion(CacheSetHelper::INSTCAND, vci, Cache, P);

                break;
                break;

-       case NEWEST:
+       case CacheSetHelper::NEWEST:

                if (P->VersionList != 0)
                        found |= vci->insert(P.VersionList());
                else
                if (P->VersionList != 0)
                        found |= vci->insert(P.VersionList());
                else

-                       helper.canNotFindNewestVer(Cache, P);
+                       helper.canNotFindVersion(CacheSetHelper::NEWEST, vci, Cache, P);

                break;
                break;

+       case CacheSetHelper::RELEASE:
+       case CacheSetHelper::VERSIONNUMBER:
+               // both make no sense here, so always false
+               return false;

        }
        return found;
 }
        }
        return found;
 }


@@ -490,7 +585,7 @@ pkgCache::VerIterator VersionContainerInterface::getCandidateVer(pkgCacheFile &C
                Cand = Cache[Pkg].CandidateVerIter(Cache);
        }
        if (Cand.end() == true)
                Cand = Cache[Pkg].CandidateVerIter(Cache);
        }
        if (Cand.end() == true)

-               return helper.canNotFindCandidateVer(Cache, Pkg);
+               return helper.canNotGetVersion(CacheSetHelper::CANDIDATE, Cache, Pkg);

        return Cand;
 }
                                                                        /*}}}*/
        return Cand;
 }
                                                                        /*}}}*/


@@ -498,56 +593,129 @@ pkgCache::VerIterator VersionContainerInterface::getCandidateVer(pkgCacheFile &C
 pkgCache::VerIterator VersionContainerInterface::getInstalledVer(pkgCacheFile &Cache,
                pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) {
        if (Pkg->CurrentVer == 0)
 pkgCache::VerIterator VersionContainerInterface::getInstalledVer(pkgCacheFile &Cache,
                pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) {
        if (Pkg->CurrentVer == 0)

-               return helper.canNotFindInstalledVer(Cache, Pkg);
+               return helper.canNotGetVersion(CacheSetHelper::INSTALLED, Cache, Pkg);

        return Pkg.CurrentVer();
 }
                                                                        /*}}}*/
 
        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->Insert(ErrorType, _("Unable to locate package %s"), str.c_str());
-       return pkgCache::PkgIterator(Cache, 0);
+// 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) {
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic push
+       #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+       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 UNKNOWN: break;
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic pop
+#endif
+       }

 }
 }

-                                                                       /*}}}*/

 // canNotFindTask - handle the case no package is found for a task     /*{{{*/
 // canNotFindTask - handle the case no package is found for a task     /*{{{*/

-void CacheSetHelper::canNotFindTask(PackageContainerInterface * const pci, 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());
 }
                                                                        /*}}}*/
 // canNotFindRegEx - handle the case no package is found by a regex    /*{{{*/
        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) {
+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());
 }
                                                                        /*}}}*/
        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/*{{{*/
 // canNotFindPackage - handle the case no package is found from a string/*{{{*/

-void CacheSetHelper::canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str) {
+APT_CONST 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) {
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic push
+       #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+       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;
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic pop
+#endif
+       case CANDANDINST: canNotGetCandInstVer(Cache, Pkg); break;
+       case RELEASE:
+       case VERSIONNUMBER:
+               // invalid in this branch
+               break;
+       }
+}

 // canNotFindAllVer                                                    /*{{{*/
 // canNotFindAllVer                                                    /*{{{*/

-void CacheSetHelper::canNotFindAllVer(VersionContainerInterface * const vci, 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());
 }
                                                                        /*}}}*/
 // canNotFindInstCandVer                                               /*{{{*/
                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,
+void CacheSetHelper::canNotFindInstCandVer(VersionContainerInterface * const /*vci*/, pkgCacheFile &Cache,

                pkgCache::PkgIterator const &Pkg) {
                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());
+       canNotGetInstCandVer(Cache, Pkg);

 }
                                                                        /*}}}*/
 // canNotFindInstCandVer                                               /*{{{*/
 }
                                                                        /*}}}*/
 // canNotFindInstCandVer                                               /*{{{*/

-void CacheSetHelper::canNotFindCandInstVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+void CacheSetHelper::canNotFindCandInstVer(VersionContainerInterface * const /*vci*/, pkgCacheFile &Cache,

                pkgCache::PkgIterator const &Pkg) {
                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());
+       canNotGetCandInstVer(Cache, Pkg);

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

+                                                                       /*}}}*/
+// canNotGetVersion - for package by selector                          /*{{{*/
+pkgCache::VerIterator CacheSetHelper::canNotGetVersion(enum VerSelector const select, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+       switch (select) {
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic push
+       #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+       case NEWEST: return canNotFindNewestVer(Cache, Pkg);
+       case CANDIDATE: return canNotFindCandidateVer(Cache, Pkg);
+       case INSTALLED: return canNotFindInstalledVer(Cache, Pkg);
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic pop
+#endif
+       case CANDINST: return canNotGetCandInstVer(Cache, Pkg);
+       case INSTCAND: return canNotGetInstCandVer(Cache, Pkg);
+       case ALL:
+       case CANDANDINST:
+       case RELEASE:
+       case VERSIONNUMBER:
+               // 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) {
 // canNotFindNewestVer                                                 /*{{{*/
 pkgCache::VerIterator CacheSetHelper::canNotFindNewestVer(pkgCacheFile &Cache,
                pkgCache::PkgIterator const &Pkg) {


@@ -572,21 +740,90 @@ pkgCache::VerIterator CacheSetHelper::canNotFindInstalledVer(pkgCacheFile &Cache
        return pkgCache::VerIterator(Cache, 0);
 }
                                                                        /*}}}*/
        return pkgCache::VerIterator(Cache, 0);
 }
                                                                        /*}}}*/

-// showTaskSelection                                                   /*{{{*/
-void CacheSetHelper::showTaskSelection(pkgCache::PkgIterator const &pkg,
+// 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);
+}
+                                                                       /*}}}*/
+                                                                       /*}}}*/
+// showPackageSelection - by selector and given pattern                        /*{{{*/
+APT_CONST void CacheSetHelper::showPackageSelection(pkgCache::PkgIterator const &pkg, enum PkgSelector const select,

                                       std::string const &pattern) {
                                       std::string const &pattern) {

+       switch (select) {
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic push
+       #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+       case REGEX: showRegExSelection(pkg, pattern); break;
+       case TASK: showTaskSelection(pkg, pattern); break;
+       case FNMATCH: showFnmatchSelection(pkg, pattern); break;
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic pop
+#endif
+       case PACKAGENAME: /* no suprises here */ break;
+       case UNKNOWN: break;
+       }
+}
+// showTaskSelection                                                   /*{{{*/
+APT_CONST void CacheSetHelper::showTaskSelection(pkgCache::PkgIterator const &/*pkg*/,
+                                      std::string const &/*pattern*/) {

 }
                                                                        /*}}}*/
 // showRegExSelection                                                  /*{{{*/
 }
                                                                        /*}}}*/
 // showRegExSelection                                                  /*{{{*/

-void CacheSetHelper::showRegExSelection(pkgCache::PkgIterator const &pkg,
-                                       std::string const &pattern) {
+APT_CONST void CacheSetHelper::showRegExSelection(pkgCache::PkgIterator const &/*pkg*/,
+                                       std::string const &/*pattern*/) {
+}
+                                                                       /*}}}*/
+// showFnmatchSelection                                                        /*{{{*/
+APT_CONST void CacheSetHelper::showFnmatchSelection(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) {
+                                                                       /*}}}*/
+// showVersionSelection                                                        /*{{{*/
+APT_CONST void CacheSetHelper::showVersionSelection(pkgCache::PkgIterator const &Pkg,
+      pkgCache::VerIterator const &Ver, enum VerSelector const select, std::string const &pattern) {
+       switch (select) {
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic push
+       #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+       case RELEASE:
+               showSelectedVersion(Pkg, Ver, pattern, true);
+               break;
+       case VERSIONNUMBER:
+               showSelectedVersion(Pkg, Ver, pattern, false);
+               break;
+#if __GNUC__ >= 4
+       #pragma GCC diagnostic pop
+       #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+       case NEWEST:
+       case CANDIDATE:
+       case INSTALLED:
+       case CANDINST:
+       case INSTCAND:
+       case ALL:
+       case CANDANDINST:
+               // not really suprises, but in fact: just not implemented
+               break;
+       }
+}
+APT_CONST void CacheSetHelper::showSelectedVersion(pkgCache::PkgIterator const &/*Pkg*/,
+                                        pkgCache::VerIterator const /*Ver*/,
+                                        std::string const &/*ver*/,
+                                        bool const /*verIsRel*/) {

 }
                                                                        /*}}}*/
 }
 }
                                                                        /*}}}*/
 }