]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/cacheset.cc
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[apt.git] / apt-pkg / cacheset.cc
index 3c38895e972a67338bf2588f9094d9f4d602d4a3..76a7e717e7799a3eb183d69c156d162ca20477cb 100644 (file)
 #include <apti18n.h>
                                                                        /*}}}*/
 namespace APT {
-// FromTask - Return all packages in the cache from a specific task    /*{{{*/
-bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
+
+// PackageFrom - selecting the appropriate method for package selection        /*{{{*/
+bool CacheSetHelper::PackageFrom(enum PkgSelector const select, PackageContainerInterface * const pci,
+      pkgCacheFile &Cache, std::string const &pattern) {
+       switch (select) {
+       case UNKNOWN: return false;
+       case REGEX: return PackageFromRegEx(pci, Cache, pattern);
+       case TASK: return PackageFromTask(pci, Cache, pattern);
+       case FNMATCH: return PackageFromFnmatch(pci, Cache, pattern);
+       case PACKAGENAME: return PackageFromPackageName(pci, Cache, pattern);
+       case STRING: return PackageFromString(pci, Cache, pattern);
+       }
+       return false;
+}
+                                                                       /*}}}*/
+// PackageFromTask - Return all packages in the cache from a specific task /*{{{*/
+bool CacheSetHelper::PackageFromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
        size_t const archfound = pattern.find_last_of(':');
        std::string arch = "native";
        if (archfound != std::string::npos) {
@@ -91,13 +106,13 @@ bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci,
                        continue;
 
                pci->insert(Pkg);
-               helper.showPackageSelection(Pkg, CacheSetHelper::TASK, pattern);
+               showPackageSelection(Pkg, CacheSetHelper::TASK, pattern);
                found = true;
        }
        regfree(&Pattern);
 
        if (found == false) {
-               helper.canNotFindPackage(CacheSetHelper::TASK, pci, Cache, pattern);
+               canNotFindPackage(CacheSetHelper::TASK, pci, Cache, pattern);
                pci->setConstructor(CacheSetHelper::UNKNOWN);
                return false;
        }
@@ -108,8 +123,8 @@ bool PackageContainerInterface::FromTask(PackageContainerInterface * const pci,
        return true;
 }
                                                                        /*}}}*/
-// FromRegEx - Return all packages in the cache matching a pattern     /*{{{*/
-bool PackageContainerInterface::FromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
+// PackageFromRegEx - Return all packages in the cache matching a pattern /*{{{*/
+bool CacheSetHelper::PackageFromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) {
        static const char * const isregex = ".?+*|[^$";
        if (pattern.find_first_of(isregex) == std::string::npos)
                return false;
@@ -150,12 +165,12 @@ bool PackageContainerInterface::FromRegEx(PackageContainerInterface * const pci,
                }
 
                pci->insert(Pkg);
-               helper.showPackageSelection(Pkg, CacheSetHelper::REGEX, pattern);
+               showPackageSelection(Pkg, CacheSetHelper::REGEX, pattern);
                found = true;
        }
 
        if (found == false) {
-               helper.canNotFindPackage(CacheSetHelper::REGEX, pci, Cache, pattern);
+               canNotFindPackage(CacheSetHelper::REGEX, pci, Cache, pattern);
                pci->setConstructor(CacheSetHelper::UNKNOWN);
                return false;
        }
@@ -166,12 +181,9 @@ bool PackageContainerInterface::FromRegEx(PackageContainerInterface * const pci,
        return true;
 }
                                                                        /*}}}*/
-// FromFnmatch - Returns the package defined  by this fnmatch          /*{{{*/
-bool 
-PackageContainerInterface::FromFnmatch(PackageContainerInterface * const pci, 
-                                       pkgCacheFile &Cache,
-                                       std::string pattern,
-                                       CacheSetHelper &helper)
+// PackageFromFnmatch - Returns the package defined  by this fnmatch   /*{{{*/
+bool CacheSetHelper::PackageFromFnmatch(PackageContainerInterface * const pci,
+                                       pkgCacheFile &Cache, std::string pattern)
 {
        static const char * const isfnmatch = ".?*[]!";
        if (pattern.find_first_of(isfnmatch) == std::string::npos)
@@ -213,12 +225,12 @@ PackageContainerInterface::FromFnmatch(PackageContainerInterface * const pci,
                }
 
                pci->insert(Pkg);
-               helper.showPackageSelection(Pkg, CacheSetHelper::FNMATCH, pattern);
+               showPackageSelection(Pkg, CacheSetHelper::FNMATCH, pattern);
                found = true;
        }
 
        if (found == false) {
-               helper.canNotFindPackage(CacheSetHelper::FNMATCH, pci, Cache, pattern);
+               canNotFindPackage(CacheSetHelper::FNMATCH, pci, Cache, pattern);
                pci->setConstructor(CacheSetHelper::UNKNOWN);
                return false;
        }
@@ -229,9 +241,9 @@ PackageContainerInterface::FromFnmatch(PackageContainerInterface * const pci,
        return true;
 }
                                                                        /*}}}*/
-// FromName - Returns the package defined  by this string              /*{{{*/
-pkgCache::PkgIterator PackageContainerInterface::FromName(pkgCacheFile &Cache,
-                       std::string const &str, CacheSetHelper &helper) {
+// PackageFromName - Returns the package defined  by this string       /*{{{*/
+pkgCache::PkgIterator CacheSetHelper::PackageFromName(pkgCacheFile &Cache,
+                       std::string const &str) {
        std::string pkg = str;
        size_t archfound = pkg.find_last_of(':');
        std::string arch;
@@ -252,13 +264,13 @@ pkgCache::PkgIterator PackageContainerInterface::FromName(pkgCacheFile &Cache,
                Pkg = Cache.GetPkgCache()->FindPkg(pkg, arch);
 
        if (Pkg.end() == true)
-               return helper.canNotFindPkgName(Cache, str);
+               return canNotFindPkgName(Cache, str);
        return Pkg;
 }
                                                                        /*}}}*/
-// FromGroup - Returns the package defined  by this string             /*{{{*/
-bool PackageContainerInterface::FromGroup(PackageContainerInterface * const pci, pkgCacheFile &Cache,
-                       std::string pkg, CacheSetHelper &helper) {
+// PackageFromPackageName - Returns the package defined  by this string /*{{{*/
+bool CacheSetHelper::PackageFromPackageName(PackageContainerInterface * const pci, pkgCacheFile &Cache,
+                       std::string pkg) {
        if (unlikely(Cache.GetPkgCache() == 0))
                return false;
 
@@ -298,7 +310,7 @@ bool PackageContainerInterface::FromGroup(PackageContainerInterface * const pci,
                }
        }
 
-       pkgCache::PkgIterator Pkg = helper.canNotFindPkgName(Cache, pkg);
+       pkgCache::PkgIterator Pkg = canNotFindPkgName(Cache, pkg);
        if (Pkg.end() == true)
           return false;
 
@@ -306,18 +318,18 @@ bool PackageContainerInterface::FromGroup(PackageContainerInterface * const pci,
        return true;
 }
                                                                        /*}}}*/
-// FromString - Return all packages matching a specific string         /*{{{*/
-bool PackageContainerInterface::FromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str, CacheSetHelper &helper) {
+// PackageFromString - Return all packages matching a specific string  /*{{{*/
+bool CacheSetHelper::PackageFromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str) {
        bool found = true;
        _error->PushToStack();
 
-       if (FromGroup(pci, Cache, str, helper) == false &&
-                FromTask(pci, Cache, str, helper) == false &&
+       if (PackageFrom(CacheSetHelper::PACKAGENAME, pci, Cache, str) == false &&
+                PackageFrom(CacheSetHelper::TASK, pci, Cache, str) == false &&
                 // FIXME: hm, hm, regexp/fnmatch incompatible?
-                FromFnmatch(pci, Cache, str, helper) == false &&
-                FromRegEx(pci, Cache, str, helper) == false)
+                PackageFrom(CacheSetHelper::FNMATCH, pci, Cache, str) == false &&
+                PackageFrom(CacheSetHelper::REGEX, pci, Cache, str) == false)
        {
-               helper.canNotFindPackage(CacheSetHelper::PACKAGENAME, pci, Cache, str);
+               canNotFindPackage(CacheSetHelper::PACKAGENAME, pci, Cache, str);
                found = false;
        }
 
@@ -328,51 +340,50 @@ bool PackageContainerInterface::FromString(PackageContainerInterface * const pci
        return found;
 }
                                                                        /*}}}*/
-// FromCommandLine - Return all packages specified on commandline      /*{{{*/
-bool PackageContainerInterface::FromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) {
+// PackageFromCommandLine - Return all packages specified on commandline /*{{{*/
+bool CacheSetHelper::PackageFromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline) {
        bool found = false;
        for (const char **I = cmdline; *I != 0; ++I)
-               found |= PackageContainerInterface::FromString(pci, Cache, *I, helper);
+               found |= PackageFrom(CacheSetHelper::PACKAGENAME, pci, Cache, *I);
        return found;
 }
                                                                        /*}}}*/
 // FromModifierCommandLine - helper doing the work for PKG:GroupedFromCommandLine      /*{{{*/
-bool PackageContainerInterface::FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
+bool CacheSetHelper::PackageFromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
                                                        pkgCacheFile &Cache, const char * cmdline,
-                                                       std::list<Modifier> const &mods, CacheSetHelper &helper) {
+                                                       std::list<PkgModifier> const &mods) {
        std::string str = cmdline;
        unsigned short fallback = modID;
        bool modifierPresent = false;
-       for (std::list<Modifier>::const_iterator mod = mods.begin();
+       for (std::list<PkgModifier>::const_iterator mod = mods.begin();
             mod != mods.end(); ++mod) {
                size_t const alength = strlen(mod->Alias);
                switch(mod->Pos) {
-               case Modifier::POSTFIX:
+               case PkgModifier::POSTFIX:
                        if (str.compare(str.length() - alength, alength,
                                        mod->Alias, 0, alength) != 0)
                                continue;
                        str.erase(str.length() - alength);
                        modID = mod->ID;
                        break;
-               case Modifier::PREFIX:
+               case PkgModifier::PREFIX:
                        continue;
-               case Modifier::NONE:
+               case PkgModifier::NONE:
                        continue;
                }
                modifierPresent = true;
                break;
        }
        if (modifierPresent == true) {
-               bool const errors = helper.showErrors(false);
-               pkgCache::PkgIterator Pkg = FromName(Cache, cmdline, helper);
-               helper.showErrors(errors);
-               if (Pkg.end() == false) {
-                       pci->insert(Pkg);
+               bool const errors = showErrors(false);
+               bool const found = PackageFrom(PACKAGENAME, pci, Cache, cmdline);
+               showErrors(errors);
+               if (found == true) {
                        modID = fallback;
                        return true;
                }
        }
-       return FromString(pci, Cache, str, helper);
+       return PackageFrom(CacheSetHelper::PACKAGENAME, pci, Cache, str);
 }
                                                                        /*}}}*/
 // FromModifierCommandLine - helper doing the work for VER:GroupedFromCommandLine      /*{{{*/
@@ -438,14 +449,13 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
                                           CacheSetHelper::VerSelector const fallback,
                                           CacheSetHelper &helper,
                                           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);
-        }
+       PackageSet pkgset;
+       if(FileExists(pkg)) {
+               helper.PackageFrom(CacheSetHelper::STRING, &pkgset, Cache, pkg);
+               if(pkgset.empty() == true)
+                       return false;
+               return VersionContainerInterface::FromPackage(vci, Cache, pkgset.begin(), fallback, helper);
+       }
 
        std::string ver;
        bool verIsRel = false;
@@ -456,9 +466,9 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
                pkg.erase(vertag);
        }
        if (onlyFromName == false)
-               PackageContainerInterface::FromString(&pkgset, Cache, pkg, helper);
+               helper.PackageFrom(CacheSetHelper::STRING, &pkgset, Cache, pkg);
        else {
-               pkgset.insert(PackageContainerInterface::FromName(Cache, pkg, helper));
+               helper.PackageFrom(CacheSetHelper::PACKAGENAME, &pkgset, Cache, pkg);
        }
 
        bool errors = true;
@@ -611,6 +621,7 @@ void CacheSetHelper::canNotFindPackage(enum PkgSelector const select,
        case TASK: canNotFindTask(pci, Cache, pattern); break;
        case FNMATCH: canNotFindFnmatch(pci, Cache, pattern); break;
        case PACKAGENAME: canNotFindPackage(pci, Cache, pattern); break;
+       case STRING: canNotFindPackage(pci, Cache, pattern); break;
        case UNKNOWN: break;
 #if __GNUC__ >= 4
        #pragma GCC diagnostic pop
@@ -772,6 +783,7 @@ APT_CONST void CacheSetHelper::showPackageSelection(pkgCache::PkgIterator const
        #pragma GCC diagnostic pop
 #endif
        case PACKAGENAME: /* no suprises here */ break;
+       case STRING: /* handled by the special cases */ break;
        case UNKNOWN: break;
        }
 }