| 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 <apt-pkg/aptconfiguration.h> |
| 13 | #include <apt-pkg/error.h> |
| 14 | #include <apt-pkg/strutl.h> |
| 15 | #include <apt-pkg/versionmatch.h> |
| 16 | |
| 17 | #include <apti18n.h> |
| 18 | |
| 19 | #include "cacheset.h" |
| 20 | |
| 21 | #include <vector> |
| 22 | |
| 23 | #include <regex.h> |
| 24 | /*}}}*/ |
| 25 | namespace APT { |
| 26 | // FromTask - Return all packages in the cache from a specific task /*{{{*/ |
| 27 | PackageSet PackageSet::FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { |
| 28 | size_t const archfound = pattern.find_last_of(':'); |
| 29 | std::string arch = "native"; |
| 30 | if (archfound != std::string::npos) { |
| 31 | arch = pattern.substr(archfound+1); |
| 32 | pattern.erase(archfound); |
| 33 | } |
| 34 | |
| 35 | if (pattern[pattern.length() -1] != '^') |
| 36 | return APT::PackageSet(TASK); |
| 37 | pattern.erase(pattern.length()-1); |
| 38 | |
| 39 | if (unlikely(Cache.GetPkgCache() == 0 || Cache.GetDepCache() == 0)) |
| 40 | return APT::PackageSet(TASK); |
| 41 | |
| 42 | PackageSet pkgset(TASK); |
| 43 | // get the records |
| 44 | pkgRecords Recs(Cache); |
| 45 | |
| 46 | // build regexp for the task |
| 47 | regex_t Pattern; |
| 48 | char S[300]; |
| 49 | snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", pattern.c_str()); |
| 50 | if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0) { |
| 51 | _error->Error("Failed to compile task regexp"); |
| 52 | return pkgset; |
| 53 | } |
| 54 | |
| 55 | for (pkgCache::GrpIterator Grp = Cache->GrpBegin(); Grp.end() == false; ++Grp) { |
| 56 | pkgCache::PkgIterator Pkg = Grp.FindPkg(arch); |
| 57 | if (Pkg.end() == true) |
| 58 | continue; |
| 59 | pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache); |
| 60 | if(ver.end() == true) |
| 61 | continue; |
| 62 | |
| 63 | pkgRecords::Parser &parser = Recs.Lookup(ver.FileList()); |
| 64 | const char *start, *end; |
| 65 | parser.GetRec(start,end); |
| 66 | unsigned int const length = end - start; |
| 67 | char buf[length]; |
| 68 | strncpy(buf, start, length); |
| 69 | buf[length-1] = '\0'; |
| 70 | if (regexec(&Pattern, buf, 0, 0, 0) != 0) |
| 71 | continue; |
| 72 | |
| 73 | pkgset.insert(Pkg); |
| 74 | } |
| 75 | regfree(&Pattern); |
| 76 | |
| 77 | if (pkgset.empty() == true) |
| 78 | return helper.canNotFindTask(Cache, pattern); |
| 79 | |
| 80 | helper.showTaskSelection(pkgset, pattern); |
| 81 | return pkgset; |
| 82 | } |
| 83 | /*}}}*/ |
| 84 | // FromRegEx - Return all packages in the cache matching a pattern /*{{{*/ |
| 85 | PackageSet PackageSet::FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) { |
| 86 | static const char * const isregex = ".?+*|[^$"; |
| 87 | if (pattern.find_first_of(isregex) == std::string::npos) |
| 88 | return PackageSet(REGEX); |
| 89 | |
| 90 | size_t archfound = pattern.find_last_of(':'); |
| 91 | std::string arch = "native"; |
| 92 | if (archfound != std::string::npos) { |
| 93 | arch = pattern.substr(archfound+1); |
| 94 | if (arch.find_first_of(isregex) == std::string::npos) |
| 95 | pattern.erase(archfound); |
| 96 | else |
| 97 | arch = "native"; |
| 98 | } |
| 99 | |
| 100 | regex_t Pattern; |
| 101 | int Res; |
| 102 | if ((Res = regcomp(&Pattern, pattern.c_str() , REG_EXTENDED | REG_ICASE | REG_NOSUB)) != 0) { |
| 103 | char Error[300]; |
| 104 | regerror(Res, &Pattern, Error, sizeof(Error)); |
| 105 | _error->Error(_("Regex compilation error - %s"), Error); |
| 106 | return PackageSet(REGEX); |
| 107 | } |
| 108 | |
| 109 | if (unlikely(Cache.GetPkgCache() == 0)) |
| 110 | return PackageSet(REGEX); |
| 111 | |
| 112 | PackageSet pkgset(REGEX); |
| 113 | for (pkgCache::GrpIterator Grp = Cache.GetPkgCache()->GrpBegin(); Grp.end() == false; ++Grp) |
| 114 | { |
| 115 | if (regexec(&Pattern, Grp.Name(), 0, 0, 0) != 0) |
| 116 | continue; |
| 117 | pkgCache::PkgIterator Pkg = Grp.FindPkg(arch); |
| 118 | if (Pkg.end() == true) { |
| 119 | if (archfound == std::string::npos) { |
| 120 | std::vector<std::string> archs = APT::Configuration::getArchitectures(); |
| 121 | for (std::vector<std::string>::const_iterator a = archs.begin(); |
| 122 | a != archs.end() && Pkg.end() != true; ++a) |
| 123 | Pkg = Grp.FindPkg(*a); |
| 124 | } |
| 125 | if (Pkg.end() == true) |
| 126 | continue; |
| 127 | } |
| 128 | |
| 129 | pkgset.insert(Pkg); |
| 130 | } |
| 131 | regfree(&Pattern); |
| 132 | |
| 133 | if (pkgset.empty() == true) |
| 134 | return helper.canNotFindRegEx(Cache, pattern); |
| 135 | |
| 136 | helper.showRegExSelection(pkgset, pattern); |
| 137 | return pkgset; |
| 138 | } |
| 139 | /*}}}*/ |
| 140 | // FromName - Returns the package defined by this string /*{{{*/ |
| 141 | pkgCache::PkgIterator PackageSet::FromName(pkgCacheFile &Cache, |
| 142 | std::string const &str, CacheSetHelper &helper) { |
| 143 | std::string pkg = str; |
| 144 | size_t archfound = pkg.find_last_of(':'); |
| 145 | std::string arch; |
| 146 | if (archfound != std::string::npos) { |
| 147 | arch = pkg.substr(archfound+1); |
| 148 | pkg.erase(archfound); |
| 149 | } |
| 150 | |
| 151 | if (Cache.GetPkgCache() == 0) |
| 152 | return pkgCache::PkgIterator(Cache, 0); |
| 153 | |
| 154 | pkgCache::PkgIterator Pkg(Cache, 0); |
| 155 | if (arch.empty() == true) { |
| 156 | pkgCache::GrpIterator Grp = Cache.GetPkgCache()->FindGrp(pkg); |
| 157 | if (Grp.end() == false) |
| 158 | Pkg = Grp.FindPreferredPkg(); |
| 159 | } else |
| 160 | Pkg = Cache.GetPkgCache()->FindPkg(pkg, arch); |
| 161 | |
| 162 | if (Pkg.end() == true) |
| 163 | return helper.canNotFindPkgName(Cache, str); |
| 164 | return Pkg; |
| 165 | } |
| 166 | /*}}}*/ |
| 167 | // GroupedFromCommandLine - Return all versions specified on commandline/*{{{*/ |
| 168 | std::map<unsigned short, PackageSet> PackageSet::GroupedFromCommandLine( |
| 169 | pkgCacheFile &Cache, const char **cmdline, |
| 170 | std::list<PackageSet::Modifier> const &mods, |
| 171 | unsigned short const &fallback, CacheSetHelper &helper) { |
| 172 | std::map<unsigned short, PackageSet> pkgsets; |
| 173 | for (const char **I = cmdline; *I != 0; ++I) { |
| 174 | unsigned short modID = fallback; |
| 175 | std::string str = *I; |
| 176 | bool modifierPresent = false; |
| 177 | for (std::list<PackageSet::Modifier>::const_iterator mod = mods.begin(); |
| 178 | mod != mods.end(); ++mod) { |
| 179 | size_t const alength = strlen(mod->Alias); |
| 180 | switch(mod->Pos) { |
| 181 | case PackageSet::Modifier::POSTFIX: |
| 182 | if (str.compare(str.length() - alength, alength, |
| 183 | mod->Alias, 0, alength) != 0) |
| 184 | continue; |
| 185 | str.erase(str.length() - alength); |
| 186 | modID = mod->ID; |
| 187 | break; |
| 188 | case PackageSet::Modifier::PREFIX: |
| 189 | continue; |
| 190 | case PackageSet::Modifier::NONE: |
| 191 | continue; |
| 192 | } |
| 193 | modifierPresent = true; |
| 194 | break; |
| 195 | } |
| 196 | if (modifierPresent == true) { |
| 197 | bool const errors = helper.showErrors(false); |
| 198 | pkgCache::PkgIterator Pkg = FromName(Cache, *I, helper); |
| 199 | helper.showErrors(errors); |
| 200 | if (Pkg.end() == false) { |
| 201 | pkgsets[fallback].insert(Pkg); |
| 202 | continue; |
| 203 | } |
| 204 | } |
| 205 | pkgsets[modID].insert(PackageSet::FromString(Cache, str, helper)); |
| 206 | } |
| 207 | return pkgsets; |
| 208 | } |
| 209 | /*}}}*/ |
| 210 | // FromCommandLine - Return all packages specified on commandline /*{{{*/ |
| 211 | PackageSet PackageSet::FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) { |
| 212 | PackageSet pkgset; |
| 213 | for (const char **I = cmdline; *I != 0; ++I) { |
| 214 | PackageSet pset = FromString(Cache, *I, helper); |
| 215 | pkgset.insert(pset.begin(), pset.end()); |
| 216 | } |
| 217 | return pkgset; |
| 218 | } |
| 219 | /*}}}*/ |
| 220 | // FromString - Return all packages matching a specific string /*{{{*/ |
| 221 | PackageSet PackageSet::FromString(pkgCacheFile &Cache, std::string const &str, CacheSetHelper &helper) { |
| 222 | _error->PushToStack(); |
| 223 | |
| 224 | PackageSet pkgset; |
| 225 | pkgCache::PkgIterator Pkg = FromName(Cache, str, helper); |
| 226 | if (Pkg.end() == false) |
| 227 | pkgset.insert(Pkg); |
| 228 | else { |
| 229 | pkgset = FromTask(Cache, str, helper); |
| 230 | if (pkgset.empty() == true) { |
| 231 | pkgset = FromRegEx(Cache, str, helper); |
| 232 | if (pkgset.empty() == true) |
| 233 | pkgset = helper.canNotFindPackage(Cache, str); |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | if (pkgset.empty() == false) |
| 238 | _error->RevertToStack(); |
| 239 | else |
| 240 | _error->MergeWithStack(); |
| 241 | return pkgset; |
| 242 | } |
| 243 | /*}}}*/ |
| 244 | // GroupedFromCommandLine - Return all versions specified on commandline/*{{{*/ |
| 245 | std::map<unsigned short, VersionSet> VersionSet::GroupedFromCommandLine( |
| 246 | pkgCacheFile &Cache, const char **cmdline, |
| 247 | std::list<VersionSet::Modifier> const &mods, |
| 248 | unsigned short const &fallback, CacheSetHelper &helper) { |
| 249 | std::map<unsigned short, VersionSet> versets; |
| 250 | for (const char **I = cmdline; *I != 0; ++I) { |
| 251 | unsigned short modID = fallback; |
| 252 | VersionSet::Version select = VersionSet::NEWEST; |
| 253 | std::string str = *I; |
| 254 | bool modifierPresent = false; |
| 255 | for (std::list<VersionSet::Modifier>::const_iterator mod = mods.begin(); |
| 256 | mod != mods.end(); ++mod) { |
| 257 | if (modID == fallback && mod->ID == fallback) |
| 258 | select = mod->SelectVersion; |
| 259 | size_t const alength = strlen(mod->Alias); |
| 260 | switch(mod->Pos) { |
| 261 | case VersionSet::Modifier::POSTFIX: |
| 262 | if (str.compare(str.length() - alength, alength, |
| 263 | mod->Alias, 0, alength) != 0) |
| 264 | continue; |
| 265 | str.erase(str.length() - alength); |
| 266 | modID = mod->ID; |
| 267 | select = mod->SelectVersion; |
| 268 | break; |
| 269 | case VersionSet::Modifier::PREFIX: |
| 270 | continue; |
| 271 | case VersionSet::Modifier::NONE: |
| 272 | continue; |
| 273 | } |
| 274 | modifierPresent = true; |
| 275 | break; |
| 276 | } |
| 277 | |
| 278 | if (modifierPresent == true) { |
| 279 | bool const errors = helper.showErrors(false); |
| 280 | VersionSet const vset = VersionSet::FromString(Cache, std::string(*I), select, helper, true); |
| 281 | helper.showErrors(errors); |
| 282 | if (vset.empty() == false) { |
| 283 | versets[fallback].insert(vset); |
| 284 | continue; |
| 285 | } |
| 286 | } |
| 287 | versets[modID].insert(VersionSet::FromString(Cache, str, select , helper)); |
| 288 | } |
| 289 | return versets; |
| 290 | } |
| 291 | /*}}}*/ |
| 292 | // FromCommandLine - Return all versions specified on commandline /*{{{*/ |
| 293 | APT::VersionSet VersionSet::FromCommandLine(pkgCacheFile &Cache, const char **cmdline, |
| 294 | APT::VersionSet::Version const &fallback, CacheSetHelper &helper) { |
| 295 | VersionSet verset; |
| 296 | for (const char **I = cmdline; *I != 0; ++I) |
| 297 | verset.insert(VersionSet::FromString(Cache, *I, fallback, helper)); |
| 298 | return verset; |
| 299 | } |
| 300 | /*}}}*/ |
| 301 | // FromString - Returns all versions spedcified by a string /*{{{*/ |
| 302 | APT::VersionSet VersionSet::FromString(pkgCacheFile &Cache, std::string pkg, |
| 303 | APT::VersionSet::Version const &fallback, CacheSetHelper &helper, |
| 304 | bool const &onlyFromName) { |
| 305 | std::string ver; |
| 306 | bool verIsRel = false; |
| 307 | size_t const vertag = pkg.find_last_of("/="); |
| 308 | if (vertag != string::npos) { |
| 309 | ver = pkg.substr(vertag+1); |
| 310 | verIsRel = (pkg[vertag] == '/'); |
| 311 | pkg.erase(vertag); |
| 312 | } |
| 313 | PackageSet pkgset; |
| 314 | if (onlyFromName == false) |
| 315 | pkgset = PackageSet::FromString(Cache, pkg, helper); |
| 316 | else { |
| 317 | pkgset.insert(PackageSet::FromName(Cache, pkg, helper)); |
| 318 | } |
| 319 | |
| 320 | VersionSet verset; |
| 321 | bool errors = true; |
| 322 | if (pkgset.getConstructor() != PackageSet::UNKNOWN) |
| 323 | errors = helper.showErrors(false); |
| 324 | for (PackageSet::const_iterator P = pkgset.begin(); |
| 325 | P != pkgset.end(); ++P) { |
| 326 | if (vertag == string::npos) { |
| 327 | verset.insert(VersionSet::FromPackage(Cache, P, fallback, helper)); |
| 328 | continue; |
| 329 | } |
| 330 | pkgCache::VerIterator V; |
| 331 | if (ver == "installed") |
| 332 | V = getInstalledVer(Cache, P, helper); |
| 333 | else if (ver == "candidate") |
| 334 | V = getCandidateVer(Cache, P, helper); |
| 335 | else { |
| 336 | pkgVersionMatch Match(ver, (verIsRel == true ? pkgVersionMatch::Release : |
| 337 | pkgVersionMatch::Version)); |
| 338 | V = Match.Find(P); |
| 339 | if (V.end() == true) { |
| 340 | if (verIsRel == true) |
| 341 | _error->Error(_("Release '%s' for '%s' was not found"), |
| 342 | ver.c_str(), P.FullName(true).c_str()); |
| 343 | else |
| 344 | _error->Error(_("Version '%s' for '%s' was not found"), |
| 345 | ver.c_str(), P.FullName(true).c_str()); |
| 346 | continue; |
| 347 | } |
| 348 | } |
| 349 | if (V.end() == true) |
| 350 | continue; |
| 351 | helper.showSelectedVersion(P, V, ver, verIsRel); |
| 352 | verset.insert(V); |
| 353 | } |
| 354 | if (pkgset.getConstructor() != PackageSet::UNKNOWN) |
| 355 | helper.showErrors(errors); |
| 356 | return verset; |
| 357 | } |
| 358 | /*}}}*/ |
| 359 | // FromPackage - versions from package based on fallback /*{{{*/ |
| 360 | VersionSet VersionSet::FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P, |
| 361 | VersionSet::Version const &fallback, CacheSetHelper &helper) { |
| 362 | VersionSet verset; |
| 363 | pkgCache::VerIterator V; |
| 364 | bool showErrors; |
| 365 | switch(fallback) { |
| 366 | case VersionSet::ALL: |
| 367 | if (P->VersionList != 0) |
| 368 | for (V = P.VersionList(); V.end() != true; ++V) |
| 369 | verset.insert(V); |
| 370 | else |
| 371 | verset.insert(helper.canNotFindAllVer(Cache, P)); |
| 372 | break; |
| 373 | case VersionSet::CANDANDINST: |
| 374 | verset.insert(getInstalledVer(Cache, P, helper)); |
| 375 | verset.insert(getCandidateVer(Cache, P, helper)); |
| 376 | break; |
| 377 | case VersionSet::CANDIDATE: |
| 378 | verset.insert(getCandidateVer(Cache, P, helper)); |
| 379 | break; |
| 380 | case VersionSet::INSTALLED: |
| 381 | verset.insert(getInstalledVer(Cache, P, helper)); |
| 382 | break; |
| 383 | case VersionSet::CANDINST: |
| 384 | showErrors = helper.showErrors(false); |
| 385 | V = getCandidateVer(Cache, P, helper); |
| 386 | if (V.end() == true) |
| 387 | V = getInstalledVer(Cache, P, helper); |
| 388 | helper.showErrors(showErrors); |
| 389 | if (V.end() == false) |
| 390 | verset.insert(V); |
| 391 | else |
| 392 | verset.insert(helper.canNotFindInstCandVer(Cache, P)); |
| 393 | break; |
| 394 | case VersionSet::INSTCAND: |
| 395 | showErrors = helper.showErrors(false); |
| 396 | V = getInstalledVer(Cache, P, helper); |
| 397 | if (V.end() == true) |
| 398 | V = getCandidateVer(Cache, P, helper); |
| 399 | helper.showErrors(showErrors); |
| 400 | if (V.end() == false) |
| 401 | verset.insert(V); |
| 402 | else |
| 403 | verset.insert(helper.canNotFindInstCandVer(Cache, P)); |
| 404 | break; |
| 405 | case VersionSet::NEWEST: |
| 406 | if (P->VersionList != 0) |
| 407 | verset.insert(P.VersionList()); |
| 408 | else |
| 409 | verset.insert(helper.canNotFindNewestVer(Cache, P)); |
| 410 | break; |
| 411 | } |
| 412 | return verset; |
| 413 | } |
| 414 | /*}}}*/ |
| 415 | // getCandidateVer - Returns the candidate version of the given package /*{{{*/ |
| 416 | pkgCache::VerIterator VersionSet::getCandidateVer(pkgCacheFile &Cache, |
| 417 | pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) { |
| 418 | pkgCache::VerIterator Cand; |
| 419 | if (Cache.IsPolicyBuilt() == true || Cache.IsDepCacheBuilt() == false) |
| 420 | { |
| 421 | if (unlikely(Cache.GetPolicy() == 0)) |
| 422 | return pkgCache::VerIterator(Cache); |
| 423 | Cand = Cache.GetPolicy()->GetCandidateVer(Pkg); |
| 424 | } else { |
| 425 | Cand = Cache[Pkg].CandidateVerIter(Cache); |
| 426 | } |
| 427 | if (Cand.end() == true) |
| 428 | return helper.canNotFindCandidateVer(Cache, Pkg); |
| 429 | return Cand; |
| 430 | } |
| 431 | /*}}}*/ |
| 432 | // getInstalledVer - Returns the installed version of the given package /*{{{*/ |
| 433 | pkgCache::VerIterator VersionSet::getInstalledVer(pkgCacheFile &Cache, |
| 434 | pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper) { |
| 435 | if (Pkg->CurrentVer == 0) |
| 436 | return helper.canNotFindInstalledVer(Cache, Pkg); |
| 437 | return Pkg.CurrentVer(); |
| 438 | } |
| 439 | /*}}}*/ |
| 440 | // canNotFindPkgName - handle the case no package has this name /*{{{*/ |
| 441 | pkgCache::PkgIterator CacheSetHelper::canNotFindPkgName(pkgCacheFile &Cache, |
| 442 | std::string const &str) { |
| 443 | if (ShowError == true) |
| 444 | _error->Error(_("Unable to locate package %s"), str.c_str()); |
| 445 | return pkgCache::PkgIterator(Cache, 0); |
| 446 | } |
| 447 | /*}}}*/ |
| 448 | // canNotFindTask - handle the case no package is found for a task /*{{{*/ |
| 449 | PackageSet CacheSetHelper::canNotFindTask(pkgCacheFile &Cache, std::string pattern) { |
| 450 | if (ShowError == true) |
| 451 | _error->Error(_("Couldn't find task '%s'"), pattern.c_str()); |
| 452 | return PackageSet(); |
| 453 | } |
| 454 | /*}}}*/ |
| 455 | // canNotFindRegEx - handle the case no package is found by a regex /*{{{*/ |
| 456 | PackageSet CacheSetHelper::canNotFindRegEx(pkgCacheFile &Cache, std::string pattern) { |
| 457 | if (ShowError == true) |
| 458 | _error->Error(_("Couldn't find any package by regex '%s'"), pattern.c_str()); |
| 459 | return PackageSet(); |
| 460 | } |
| 461 | /*}}}*/ |
| 462 | // canNotFindPackage - handle the case no package is found from a string/*{{{*/ |
| 463 | PackageSet CacheSetHelper::canNotFindPackage(pkgCacheFile &Cache, std::string const &str) { |
| 464 | return PackageSet(); |
| 465 | } |
| 466 | /*}}}*/ |
| 467 | // canNotFindAllVer /*{{{*/ |
| 468 | VersionSet CacheSetHelper::canNotFindAllVer(pkgCacheFile &Cache, |
| 469 | pkgCache::PkgIterator const &Pkg) { |
| 470 | if (ShowError == true) |
| 471 | _error->Error(_("Can't select versions from package '%s' as it purely virtual"), Pkg.FullName(true).c_str()); |
| 472 | return VersionSet(); |
| 473 | } |
| 474 | /*}}}*/ |
| 475 | // canNotFindInstCandVer /*{{{*/ |
| 476 | VersionSet CacheSetHelper::canNotFindInstCandVer(pkgCacheFile &Cache, |
| 477 | pkgCache::PkgIterator const &Pkg) { |
| 478 | if (ShowError == true) |
| 479 | _error->Error(_("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str()); |
| 480 | return VersionSet(); |
| 481 | } |
| 482 | /*}}}*/ |
| 483 | // canNotFindInstCandVer /*{{{*/ |
| 484 | VersionSet CacheSetHelper::canNotFindCandInstVer(pkgCacheFile &Cache, |
| 485 | pkgCache::PkgIterator const &Pkg) { |
| 486 | if (ShowError == true) |
| 487 | _error->Error(_("Can't select installed nor candidate version from package '%s' as it has neither of them"), Pkg.FullName(true).c_str()); |
| 488 | return VersionSet(); |
| 489 | } |
| 490 | /*}}}*/ |
| 491 | // canNotFindNewestVer /*{{{*/ |
| 492 | pkgCache::VerIterator CacheSetHelper::canNotFindNewestVer(pkgCacheFile &Cache, |
| 493 | pkgCache::PkgIterator const &Pkg) { |
| 494 | if (ShowError == true) |
| 495 | _error->Error(_("Can't select newest version from package '%s' as it is purely virtual"), Pkg.FullName(true).c_str()); |
| 496 | return pkgCache::VerIterator(Cache, 0); |
| 497 | } |
| 498 | /*}}}*/ |
| 499 | // canNotFindCandidateVer /*{{{*/ |
| 500 | pkgCache::VerIterator CacheSetHelper::canNotFindCandidateVer(pkgCacheFile &Cache, |
| 501 | pkgCache::PkgIterator const &Pkg) { |
| 502 | if (ShowError == true) |
| 503 | _error->Error(_("Can't select candidate version from package %s as it has no candidate"), Pkg.FullName(true).c_str()); |
| 504 | return pkgCache::VerIterator(Cache, 0); |
| 505 | } |
| 506 | /*}}}*/ |
| 507 | // canNotFindInstalledVer /*{{{*/ |
| 508 | pkgCache::VerIterator CacheSetHelper::canNotFindInstalledVer(pkgCacheFile &Cache, |
| 509 | pkgCache::PkgIterator const &Pkg) { |
| 510 | if (ShowError == true) |
| 511 | _error->Error(_("Can't select installed version from package %s as it is not installed"), Pkg.FullName(true).c_str()); |
| 512 | return pkgCache::VerIterator(Cache, 0); |
| 513 | } |
| 514 | /*}}}*/ |
| 515 | } |