apt-pkg/cacheset.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 /* ######################################################################
   4
   5    Simple wrapper around a std::set to provide a similar interface to
   6    a set of cache structures as to the complete set of all structures
   7    in the pkgCache. Currently only Package is supported.
   8
   9    ##################################################################### */
  10                                                                         /*}}}*/
  11 // Include Files                                                        /*{{{*/
  12 #include <config.h>
  13
  14 #include <apt-pkg/aptconfiguration.h>
  15 #include <apt-pkg/cachefile.h>
  16 #include <apt-pkg/cachefilter.h>
  17 #include <apt-pkg/cacheset.h>
  18 #include <apt-pkg/error.h>
  19 #include <apt-pkg/strutl.h>
  20 #include <apt-pkg/versionmatch.h>
  21 #include <apt-pkg/pkgrecords.h>
  22 #include <apt-pkg/policy.h>
  23
  24 #include <vector>
  25
  26 #include <regex.h>
  27
  28 #include <apti18n.h>
  29                                                                         /*}}}*/
  30 namespace APT {
  31 // FromTask - Return all packages in the cache from a specific task     /*{{{*/
  32 bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
  33         size_t const archfound = pattern.find_last_of(':');
  34         std::string arch = "native";
  35         if (archfound != std::string::npos) {
  36                 arch = pattern.substr(archfound+1);
  37                 pattern.erase(archfound);
  38         }
  39
  40         if (pattern[pattern.length() -1] != '^')
  41                 return false;
  42         pattern.erase(pattern.length()-1);
  43
  44         if (unlikely(Cache.GetPkgCache() == 0 || Cache.GetDepCache() == 0))
  45                 return false;
  46
  47         bool const wasEmpty = pci->empty();
  48         if (wasEmpty == true)
  49                 pci->setConstructor(TASK);
  50
  51         // get the records
  52         pkgRecords Recs(Cache);
  53
  54         // build regexp for the task
  55         regex_t Pattern;
  56         char S[300];
  57         snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", pattern.c_str());
  58         if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0) {
  59                 _error->Error("Failed to compile task regexp");
  60                 return false;
  61         }
  62
  63         bool found = false;
  64         for (pkgCache::GrpIterator Grp = Cache->GrpBegin(); Grp.end() == false; ++Grp) {
  65                 pkgCache::PkgIterator Pkg = Grp.FindPkg(arch);
  66                 if (Pkg.end() == true)
  67                         continue;
  68                 pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache);
  69                 if(ver.end() == true)
  70                         continue;
  71
  72                 pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
  73                 const char *start, *end;
  74                 parser.GetRec(start,end);
  75                 unsigned int const length = end - start;
  76                 if (unlikely(length == 0))
  77                    continue;
  78                 char buf[length];
  79                 strncpy(buf, start, length);
  80                 buf[length-1] = '\0';
  81                 if (regexec(&Pattern, buf, 0, 0, 0) != 0)
  82                         continue;
  83
  84                 pci->insert(Pkg);
  85                 helper.showTaskSelection(Pkg, pattern);
  86                 found = true;
  87         }
  88         regfree(&Pattern);
  89
  90         if (found == false) {
  91                 helper.canNotFindTask(pci, Cache, pattern);
  92                 pci->setConstructor(UNKNOWN);
  93                 return false;
  94         }
  95
  96         if (wasEmpty == false && pci->getConstructor() != UNKNOWN)
  97                 pci->setConstructor(UNKNOWN);
  98
  99         return true;
 100 }
 101                                                                         /*}}}*/
 102 // FromRegEx - Return all packages in the cache matching a pattern      /*{{{*/
 103 bool PackageContainerInterface::FromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
 104         static const char * const isregex = ".?+*|[^$";
 105         if (pattern.find_first_of(isregex) == std::string::npos)
 106                 return false;
 107
 108         bool const wasEmpty = pci->empty();
 109         if (wasEmpty == true)
 110                 pci->setConstructor(REGEX);
 111
 112         size_t archfound = pattern.find_last_of(':');
 113         std::string arch = "native";
 114         if (archfound != std::string::npos) {
 115                 arch = pattern.substr(archfound+1);
 116                 if (arch.find_first_of(isregex) == std::string::npos)
 117                         pattern.erase(archfound);
 118                 else
 119                         arch = "native";
 120         }
 121
 122         if (unlikely(Cache.GetPkgCache() == 0))
 123                 return false;
 124
 125         APT::CacheFilter::PackageNameMatchesRegEx regexfilter(pattern);
 126
 127         bool found = false;
 128         for (pkgCache::GrpIterator Grp = Cache.GetPkgCache()->GrpBegin(); Grp.end() == false; ++Grp) {
 129                 if (regexfilter(Grp) == false)
 130                         continue;
 131                 pkgCache::PkgIterator Pkg = Grp.FindPkg(arch);
 132                 if (Pkg.end() == true) {
 133                         if (archfound == std::string::npos) {
 134                                 std::vector<std::string> archs = APT::Configuration::getArchitectures();
 135                                 for (std::vector<std::string>::const_iterator a = archs.begin();
 136                                      a != archs.end() && Pkg.end() != true; ++a)
 137                                         Pkg = Grp.FindPkg(*a);
 138                         }
 139                         if (Pkg.end() == true)
 140                                 continue;
 141                 }
 142
 143                 pci->insert(Pkg);
 144                 helper.showRegExSelection(Pkg, pattern);
 145                 found = true;
 146         }
 147
 148         if (found == false) {
 149                 helper.canNotFindRegEx(pci, Cache, pattern);
 150                 pci->setConstructor(UNKNOWN);
 151                 return false;
 152         }
 153
 154         if (wasEmpty == false && pci->getConstructor() != UNKNOWN)
 155                 pci->setConstructor(UNKNOWN);
 156
 157         return true;
 158 }
 159                                                                         /*}}}*/
 160 // FromFnmatch - Returns the package defined  by this fnmatch           /*{{{*/
 161 bool
 162 PackageContainerInterface::FromFnmatch(PackageContainerInterface * const pci,
 163                                        pkgCacheFile &Cache,
 164                                        std::string pattern,
 165                                        CacheSetHelper &helper)
 166 {
 167         static const char * const isfnmatch = ".?*[]!";
 168         if (pattern.find_first_of(isfnmatch) == std::string::npos)
 169                 return false;
 170
 171         bool const wasEmpty = pci->empty();
 172         if (wasEmpty == true)
 173                 pci->setConstructor(FNMATCH);
 174
 175         size_t archfound = pattern.find_last_of(':');
 176         std::string arch = "native";
 177         if (archfound != std::string::npos) {
 178                 arch = pattern.substr(archfound+1);
 179                 if (arch.find_first_of(isfnmatch) == std::string::npos)
 180                         pattern.erase(archfound);
 181                 else
 182                         arch = "native";
 183         }
 184
 185         if (unlikely(Cache.GetPkgCache() == 0))
 186                 return false;
 187
 188         APT::CacheFilter::PackageNameMatchesFnmatch filter(pattern);
 189
 190         bool found = false;
 191         for (pkgCache::GrpIterator Grp = Cache.GetPkgCache()->GrpBegin(); Grp.end() == false; ++Grp) {
 192                 if (filter(Grp) == false)
 193                         continue;
 194                 pkgCache::PkgIterator Pkg = Grp.FindPkg(arch);
 195                 if (Pkg.end() == true) {
 196                         if (archfound == std::string::npos) {
 197                                 std::vector<std::string> archs = APT::Configuration::getArchitectures();
 198                                 for (std::vector<std::string>::const_iterator a = archs.begin();
 199                                      a != archs.end() && Pkg.end() != true; ++a)
 200                                         Pkg = Grp.FindPkg(*a);
 201                         }
 202                         if (Pkg.end() == true)
 203                                 continue;
 204                 }
 205
 206                 pci->insert(Pkg);
 207                 helper.showRegExSelection(Pkg, pattern);
 208                 found = true;
 209         }
 210
 211         if (found == false) {
 212                 helper.canNotFindRegEx(pci, Cache, pattern);
 213                 pci->setConstructor(UNKNOWN);
 214                 return false;
 215         }
 216
 217         if (wasEmpty == false && pci->getConstructor() != UNKNOWN)
 218                 pci->setConstructor(UNKNOWN);
 219
 220         return true;
 221 }
 222                                                                         /*}}}*/
 223 // FromName - Returns the package defined  by this string               /*{{{*/
 224 pkgCache::PkgIterator PackageContainerInterface::FromName(pkgCacheFile &Cache,
 225                         std::string const &str, CacheSetHelper &helper) {
 226         std::string pkg = str;
 227         size_t archfound = pkg.find_last_of(':');
 228         std::string arch;
 229         if (archfound != std::string::npos) {
 230                 arch = pkg.substr(archfound+1);
 231                 pkg.erase(archfound);
 232         }
 233
 234         if (Cache.GetPkgCache() == 0)
 235                 return pkgCache::PkgIterator(Cache, 0);
 236
 237         pkgCache::PkgIterator Pkg(Cache, 0);
 238         if (arch.empty() == true) {
 239                 pkgCache::GrpIterator Grp = Cache.GetPkgCache()->FindGrp(pkg);
 240                 if (Grp.end() == false)
 241                         Pkg = Grp.FindPreferredPkg();
 242         } else
 243                 Pkg = Cache.GetPkgCache()->FindPkg(pkg, arch);
 244
 245         if (Pkg.end() == true)
 246                 return helper.canNotFindPkgName(Cache, str);
 247         return Pkg;
 248 }
 249                                                                         /*}}}*/
 250 // FromGroup - Returns the package defined  by this string              /*{{{*/
 251 bool PackageContainerInterface::FromGroup(PackageContainerInterface * const pci, pkgCacheFile &Cache,
 252                         std::string pkg, CacheSetHelper &helper) {
 253         if (unlikely(Cache.GetPkgCache() == 0))
 254                 return false;
 255
 256         size_t const archfound = pkg.find_last_of(':');
 257         std::string arch;
 258         if (archfound != std::string::npos) {
 259                 arch = pkg.substr(archfound+1);
 260                 pkg.erase(archfound);
 261                 if (arch == "all" || arch == "native")
 262                         arch = _config->Find("APT::Architecture");
 263         }
 264
 265         pkgCache::GrpIterator Grp = Cache.GetPkgCache()->FindGrp(pkg);
 266         if (Grp.end() == false) {
 267                 if (arch.empty() == true) {
 268                         pkgCache::PkgIterator Pkg = Grp.FindPreferredPkg();
 269                         if (Pkg.end() == false)
 270                         {
 271                            pci->insert(Pkg);
 272                            return true;
 273                         }
 274                 } else {
 275                         bool found = false;
 276                         // for 'linux-any' return the first package matching, for 'linux-*' return all matches
 277                         bool const isGlobal = arch.find('*') != std::string::npos;
 278                         APT::CacheFilter::PackageArchitectureMatchesSpecification pams(arch);
 279                         for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg)) {
 280                                 if (pams(Pkg) == false)
 281                                         continue;
 282                                 pci->insert(Pkg);
 283                                 found = true;
 284                                 if (isGlobal == false)
 285                                         break;
 286                         }
 287                         if (found == true)
 288                                 return true;
 289                 }
 290         }
 291
 292         pkgCache::PkgIterator Pkg = helper.canNotFindPkgName(Cache, pkg);
 293         if (Pkg.end() == true)
 294            return false;
 295
 296         pci->insert(Pkg);
 297         return true;
 298 }
 299                                                                         /*}}}*/
 300 // FromString - Return all packages matching a specific string          /*{{{*/
 301 bool PackageContainerInterface::FromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str, CacheSetHelper &helper) {
 302         bool found = true;
 303         _error->PushToStack();
 304
 305         if (FromGroup(pci, Cache, str, helper) == false &&
 306                  FromTask(pci, Cache, str, helper) == false &&
 307                  FromFnmatch(pci, Cache, str, helper) == false &&
 308                  FromRegEx(pci, Cache, str, helper) == false)
 309         {
 310                 helper.canNotFindPackage(pci, Cache, str);
 311                 found = false;
 312         }
 313
 314         if (found == true)
 315                 _error->RevertToStack();
 316         else
 317                 _error->MergeWithStack();
 318         return found;
 319 }
 320                                                                         /*}}}*/
 321 // FromCommandLine - Return all packages specified on commandline       /*{{{*/
 322 bool PackageContainerInterface::FromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) {
 323         bool found = false;
 324         for (const char **I = cmdline; *I != 0; ++I)
 325                 found |= PackageContainerInterface::FromString(pci, Cache, *I, helper);
 326         return found;
 327 }
 328                                                                         /*}}}*/
 329 // FromModifierCommandLine - helper doing the work for PKG:GroupedFromCommandLine       /*{{{*/
 330 bool PackageContainerInterface::FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
 331                                                         pkgCacheFile &Cache, const char * cmdline,
 332                                                         std::list<Modifier> const &mods, CacheSetHelper &helper) {
 333         std::string str = cmdline;
 334         unsigned short fallback = modID;
 335         bool modifierPresent = false;
 336         for (std::list<Modifier>::const_iterator mod = mods.begin();
 337              mod != mods.end(); ++mod) {
 338                 size_t const alength = strlen(mod->Alias);
 339                 switch(mod->Pos) {
 340                 case Modifier::POSTFIX:
 341                         if (str.compare(str.length() - alength, alength,
 342                                         mod->Alias, 0, alength) != 0)
 343                                 continue;
 344                         str.erase(str.length() - alength);
 345                         modID = mod->ID;
 346                         break;
 347                 case Modifier::PREFIX:
 348                         continue;
 349                 case Modifier::NONE:
 350                         continue;
 351                 }
 352                 modifierPresent = true;
 353                 break;
 354         }
 355         if (modifierPresent == true) {
 356                 bool const errors = helper.showErrors(false);
 357                 pkgCache::PkgIterator Pkg = FromName(Cache, cmdline, helper);
 358                 helper.showErrors(errors);
 359                 if (Pkg.end() == false) {
 360                         pci->insert(Pkg);
 361                         modID = fallback;
 362                         return true;
 363                 }
 364         }
 365         return FromString(pci, Cache, str, helper);
 366 }
 367                                                                         /*}}}*/
 368 // FromModifierCommandLine - helper doing the work for VER:GroupedFromCommandLine       /*{{{*/
 369 bool VersionContainerInterface::FromModifierCommandLine(unsigned short &modID,
 370                                                         VersionContainerInterface * const vci,
 371                                                         pkgCacheFile &Cache, const char * cmdline,
 372                                                         std::list<Modifier> const &mods,
 373                                                         CacheSetHelper &helper) {
 374         Version select = NEWEST;
 375         std::string str = cmdline;
 376         bool modifierPresent = false;
 377         unsigned short fallback = modID;
 378         for (std::list<Modifier>::const_iterator mod = mods.begin();
 379              mod != mods.end(); ++mod) {
 380                 if (modID == fallback && mod->ID == fallback)
 381                         select = mod->SelectVersion;
 382                 size_t const alength = strlen(mod->Alias);
 383                 switch(mod->Pos) {
 384                 case Modifier::POSTFIX:
 385                         if (str.compare(str.length() - alength, alength,
 386                                         mod->Alias, 0, alength) != 0)
 387                                 continue;
 388                         str.erase(str.length() - alength);
 389                         modID = mod->ID;
 390                         select = mod->SelectVersion;
 391                         break;
 392                 case Modifier::PREFIX:
 393                         continue;
 394                 case Modifier::NONE:
 395                         continue;
 396                 }
 397                 modifierPresent = true;
 398                 break;
 399         }
 400         if (modifierPresent == true) {
 401                 bool const errors = helper.showErrors(false);
 402                 bool const found = VersionContainerInterface::FromString(vci, Cache, cmdline, select, helper, true);
 403                 helper.showErrors(errors);
 404                 if (found == true) {
 405                         modID = fallback;
 406                         return true;
 407                 }
 408         }
 409         return FromString(vci, Cache, str, select, helper);
 410 }
 411                                                                         /*}}}*/
 412 // FromCommandLine - Return all versions specified on commandline       /*{{{*/
 413 bool VersionContainerInterface::FromCommandLine(VersionContainerInterface * const vci,
 414                                                 pkgCacheFile &Cache, const char **cmdline,
 415                                                 Version const &fallback, CacheSetHelper &helper) {
 416         bool found = false;
 417         for (const char **I = cmdline; *I != 0; ++I)
 418                 found |= VersionContainerInterface::FromString(vci, Cache, *I, fallback, helper);
 419         return found;
 420 }
 421                                                                         /*}}}*/
 422 // FromString - Returns all versions spedcified by a string             /*{{{*/
 423 bool VersionContainerInterface::FromString(VersionContainerInterface * const vci,
 424                                            pkgCacheFile &Cache, std::string pkg,
 425                                            Version const &fallback, CacheSetHelper &helper,
 426                                            bool const onlyFromName) {
 427         std::string ver;
 428         bool verIsRel = false;
 429         size_t const vertag = pkg.find_last_of("/=");
 430         if (vertag != std::string::npos) {
 431                 ver = pkg.substr(vertag+1);
 432                 verIsRel = (pkg[vertag] == '/');
 433                 pkg.erase(vertag);
 434         }
 435         PackageSet pkgset;
 436         if (onlyFromName == false)
 437                 PackageContainerInterface::FromString(&pkgset, Cache, pkg, helper);
 438         else {
 439                 pkgset.insert(PackageContainerInterface::FromName(Cache, pkg, helper));
 440         }
 441
 442         bool errors = true;
 443         if (pkgset.getConstructor() != PackageSet::UNKNOWN)
 444                 errors = helper.showErrors(false);
 445
 446         bool found = false;
 447         for (PackageSet::const_iterator P = pkgset.begin();
 448              P != pkgset.end(); ++P) {
 449                 if (vertag == std::string::npos) {
 450                         found |= VersionContainerInterface::FromPackage(vci, Cache, P, fallback, helper);
 451                         continue;
 452                 }
 453                 pkgCache::VerIterator V;
 454                 if (ver == "installed")
 455                         V = getInstalledVer(Cache, P, helper);
 456                 else if (ver == "candidate")
 457                         V = getCandidateVer(Cache, P, helper);
 458                 else if (ver == "newest") {
 459                         if (P->VersionList != 0)
 460                                 V = P.VersionList();
 461                         else
 462                                 V = helper.canNotFindNewestVer(Cache, P);
 463                 } else {
 464                         pkgVersionMatch Match(ver, (verIsRel == true ? pkgVersionMatch::Release :
 465                                         pkgVersionMatch::Version));
 466                         V = Match.Find(P);
 467                         if (V.end() == true) {
 468                                 if (verIsRel == true)
 469                                         _error->Error(_("Release '%s' for '%s' was not found"),
 470                                                         ver.c_str(), P.FullName(true).c_str());
 471                                 else
 472                                         _error->Error(_("Version '%s' for '%s' was not found"),
 473                                                         ver.c_str(), P.FullName(true).c_str());
 474                                 continue;
 475                         }
 476                 }
 477                 if (V.end() == true)
 478                         continue;
 479                 helper.showSelectedVersion(P, V, ver, verIsRel);
 480                 vci->insert(V);
 481                 found = true;
 482         }
 483         if (pkgset.getConstructor() != PackageSet::UNKNOWN)
 484                 helper.showErrors(errors);
 485         return found;
 486 }
 487                                                                         /*}}}*/
 488 // FromPackage - versions from package based on fallback                /*{{{*/
 489 bool VersionContainerInterface::FromPackage(VersionContainerInterface * const vci,
 490                                             pkgCacheFile &Cache,
 491                                             pkgCache::PkgIterator const &P,
 492                                             Version const &fallback,
 493                                             CacheSetHelper &helper) {
 494         pkgCache::VerIterator V;
 495         bool showErrors;
 496         bool found = false;
 497         switch(fallback) {
 498         case ALL:
 499                 if (P->VersionList != 0)
 500                         for (V = P.VersionList(); V.end() != true; ++V)
 501                                 found |= vci->insert(V);
 502                 else
 503                         helper.canNotFindAllVer(vci, Cache, P);
 504                 break;
 505         case CANDANDINST:
 506                 found |= vci->insert(getInstalledVer(Cache, P, helper));
 507                 found |= vci->insert(getCandidateVer(Cache, P, helper));
 508                 break;
 509         case CANDIDATE:
 510                 found |= vci->insert(getCandidateVer(Cache, P, helper));
 511                 break;
 512         case INSTALLED:
 513                 found |= vci->insert(getInstalledVer(Cache, P, helper));
 514                 break;
 515         case CANDINST:
 516                 showErrors = helper.showErrors(false);
 517                 V = getCandidateVer(Cache, P, helper);
 518                 if (V.end() == true)
 519                         V = getInstalledVer(Cache, P, helper);
 520                 helper.showErrors(showErrors);
 521                 if (V.end() == false)
 522                         found |= vci->insert(V);
 523                 else
 524                         helper.canNotFindInstCandVer(vci, Cache, P);
 525                 break;
 526         case INSTCAND:
 527                 showErrors = helper.showErrors(false);
 528                 V = getInstalledVer(Cache, P, helper);
 529                 if (V.end() == true)
 530                         V = getCandidateVer(Cache, P, helper);
 531                 helper.showErrors(showErrors);
 532                 if (V.end() == false)
 533                         found |= vci->insert(V);
 534                 else
 535                         helper.canNotFindInstCandVer(vci, Cache, P);
 536                 break;
 537         case NEWEST:
 538                 if (P->VersionList != 0)
 539                         found |= vci->insert(P.VersionList());
 540                 else
 541                         helper.canNotFindNewestVer(Cache, P);
 542                 break;
 543         }
 544         return found;
 545 }
 546                                                                         /*}}}*/
 547 // getCandidateVer - Returns the candidate version of the given package /*{{{*/
 548 pkgCache::VerIterator VersionContainerInterface::getCandidateVer(pkgCacheFile &Cache,
 549                 pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) {
 550         pkgCache::VerIterator Cand;
 551         if (Cache.IsPolicyBuilt() == true || Cache.IsDepCacheBuilt() == false) {
 552                 if (unlikely(Cache.GetPolicy() == 0))
 553                         return pkgCache::VerIterator(Cache);
 554                 Cand = Cache.GetPolicy()->GetCandidateVer(Pkg);
 555         } else {
 556                 Cand = Cache[Pkg].CandidateVerIter(Cache);
 557         }
 558         if (Cand.end() == true)
 559                 return helper.canNotFindCandidateVer(Cache, Pkg);
 560         return Cand;
 561 }
 562                                                                         /*}}}*/
 563 // getInstalledVer - Returns the installed version of the given package /*{{{*/
 564 pkgCache::VerIterator VersionContainerInterface::getInstalledVer(pkgCacheFile &Cache,
 565                 pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) {
 566         if (Pkg->CurrentVer == 0)
 567                 return helper.canNotFindInstalledVer(Cache, Pkg);
 568         return Pkg.CurrentVer();
 569 }
 570                                                                         /*}}}*/
 571
 572 // canNotFindPkgName - handle the case no package has this name         /*{{{*/
 573 pkgCache::PkgIterator CacheSetHelper::canNotFindPkgName(pkgCacheFile &Cache,
 574                         std::string const &str) {
 575         if (ShowError == true)
 576                 _error->Insert(ErrorType, _("Unable to locate package %s"), str.c_str());
 577         return pkgCache::PkgIterator(Cache, 0);
 578 }
 579                                                                         /*}}}*/
 580 // canNotFindTask - handle the case no package is found for a task      /*{{{*/
 581 void CacheSetHelper::canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
 582         if (ShowError == true)
 583                 _error->Insert(ErrorType, _("Couldn't find task '%s'"), pattern.c_str());
 584 }
 585                                                                         /*}}}*/
 586 // canNotFindRegEx - handle the case no package is found by a regex     /*{{{*/
 587 void CacheSetHelper::canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
 588         if (ShowError == true)
 589                 _error->Insert(ErrorType, _("Couldn't find any package by regex '%s'"), pattern.c_str());
 590 }
 591                                                                         /*}}}*/
 592 // canNotFindPackage - handle the case no package is found from a string/*{{{*/
 593 void CacheSetHelper::canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str) {
 594 }
 595                                                                         /*}}}*/
 596 // canNotFindAllVer                                                     /*{{{*/
 597 void CacheSetHelper::canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
 598                 pkgCache::PkgIterator const &Pkg) {
 599         if (ShowError == true)
 600                 _error->Insert(ErrorType, _("Can't select versions from package '%s' as it is purely virtual"), Pkg.FullName(true).c_str());
 601 }
 602                                                                         /*}}}*/
 603 // canNotFindInstCandVer                                                /*{{{*/
 604 void CacheSetHelper::canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
 605                 pkgCache::PkgIterator const &Pkg) {
 606         if (ShowError == true)
 607                 _error->Insert(ErrorType, _("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str());
 608 }
 609                                                                         /*}}}*/
 610 // canNotFindInstCandVer                                                /*{{{*/
 611 void CacheSetHelper::canNotFindCandInstVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
 612                 pkgCache::PkgIterator const &Pkg) {
 613         if (ShowError == true)
 614                 _error->Insert(ErrorType, _("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str());
 615 }
 616                                                                         /*}}}*/
 617 // canNotFindNewestVer                                                  /*{{{*/
 618 pkgCache::VerIterator CacheSetHelper::canNotFindNewestVer(pkgCacheFile &Cache,
 619                 pkgCache::PkgIterator const &Pkg) {
 620         if (ShowError == true)
 621                 _error->Insert(ErrorType, _("Can't select newest version from package '%s' as it is purely virtual"), Pkg.FullName(true).c_str());
 622         return pkgCache::VerIterator(Cache, 0);
 623 }
 624                                                                         /*}}}*/
 625 // canNotFindCandidateVer                                               /*{{{*/
 626 pkgCache::VerIterator CacheSetHelper::canNotFindCandidateVer(pkgCacheFile &Cache,
 627                 pkgCache::PkgIterator const &Pkg) {
 628         if (ShowError == true)
 629                 _error->Insert(ErrorType, _("Can't select candidate version from package %s as it has no candidate"), Pkg.FullName(true).c_str());
 630         return pkgCache::VerIterator(Cache, 0);
 631 }
 632                                                                         /*}}}*/
 633 // canNotFindInstalledVer                                               /*{{{*/
 634 pkgCache::VerIterator CacheSetHelper::canNotFindInstalledVer(pkgCacheFile &Cache,
 635                 pkgCache::PkgIterator const &Pkg) {
 636         if (ShowError == true)
 637                 _error->Insert(ErrorType, _("Can't select installed version from package %s as it is not installed"), Pkg.FullName(true).c_str());
 638         return pkgCache::VerIterator(Cache, 0);
 639 }
 640                                                                         /*}}}*/
 641 // showTaskSelection                                                    /*{{{*/
 642 void CacheSetHelper::showTaskSelection(pkgCache::PkgIterator const &pkg,
 643                                        std::string const &pattern) {
 644 }
 645                                                                         /*}}}*/
 646 // showRegExSelection                                                   /*{{{*/
 647 void CacheSetHelper::showRegExSelection(pkgCache::PkgIterator const &pkg,
 648                                         std::string const &pattern) {
 649 }
 650                                                                         /*}}}*/
 651 // showSelectedVersion                                                  /*{{{*/
 652 void CacheSetHelper::showSelectedVersion(pkgCache::PkgIterator const &Pkg,
 653                                          pkgCache::VerIterator const Ver,
 654                                          std::string const &ver,
 655                                          bool const verIsRel) {
 656 }
 657                                                                         /*}}}*/
 658 }