// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ /** \file cachefilter.h Collection of functor classes */ /*}}}*/ #ifndef APT_CACHEFILTER_H #define APT_CACHEFILTER_H // Include Files /*{{{*/ #include <apt-pkg/pkgcache.h> #include <apt-pkg/cacheiterators.h> #include <string> #include <vector> #include <regex.h> class pkgCacheFile; /*}}}*/ namespace APT { namespace CacheFilter { class Matcher { public: virtual bool operator() (pkgCache::PkgIterator const &/*Pkg*/) = 0; virtual bool operator() (pkgCache::GrpIterator const &/*Grp*/) = 0; virtual bool operator() (pkgCache::VerIterator const &/*Ver*/) = 0; virtual ~Matcher(); }; class PackageMatcher : public Matcher { public: virtual bool operator() (pkgCache::PkgIterator const &Pkg) = 0; virtual bool operator() (pkgCache::VerIterator const &Ver) { return (*this)(Ver.ParentPkg()); } virtual bool operator() (pkgCache::GrpIterator const &/*Grp*/) { return false; } virtual ~PackageMatcher(); }; // Generica like True, False, NOT, AND, OR /*{{{*/ class TrueMatcher : public Matcher { public: virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual bool operator() (pkgCache::GrpIterator const &Grp); virtual bool operator() (pkgCache::VerIterator const &Ver); }; class FalseMatcher : public Matcher { public: virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual bool operator() (pkgCache::GrpIterator const &Grp); virtual bool operator() (pkgCache::VerIterator const &Ver); }; class NOTMatcher : public Matcher { Matcher * const matcher; public: NOTMatcher(Matcher * const matcher); virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual bool operator() (pkgCache::GrpIterator const &Grp); virtual bool operator() (pkgCache::VerIterator const &Ver); virtual ~NOTMatcher(); }; class ANDMatcher : public Matcher { std::vector<Matcher *> matchers; public: // 5 ought to be enough for everybody… c++11 variadic templates would be nice ANDMatcher(); ANDMatcher(Matcher * const matcher1); ANDMatcher(Matcher * const matcher1, Matcher * const matcher2); ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3); ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4); ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5); ANDMatcher& AND(Matcher * const matcher); virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual bool operator() (pkgCache::GrpIterator const &Grp); virtual bool operator() (pkgCache::VerIterator const &Ver); virtual ~ANDMatcher(); }; class ORMatcher : public Matcher { std::vector<Matcher *> matchers; public: // 5 ought to be enough for everybody… c++11 variadic templates would be nice ORMatcher(); ORMatcher(Matcher * const matcher1); ORMatcher(Matcher * const matcher1, Matcher * const matcher2); ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3); ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4); ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5); ORMatcher& OR(Matcher * const matcher); virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual bool operator() (pkgCache::GrpIterator const &Grp); virtual bool operator() (pkgCache::VerIterator const &Ver); virtual ~ORMatcher(); }; /*}}}*/ class PackageNameMatchesRegEx : public PackageMatcher { /*{{{*/ regex_t* pattern; public: PackageNameMatchesRegEx(std::string const &Pattern); virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual bool operator() (pkgCache::GrpIterator const &Grp); virtual ~PackageNameMatchesRegEx(); }; /*}}}*/ class PackageNameMatchesFnmatch : public PackageMatcher { /*{{{*/ const std::string Pattern; public: PackageNameMatchesFnmatch(std::string const &Pattern); virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual bool operator() (pkgCache::GrpIterator const &Grp); virtual ~PackageNameMatchesFnmatch() {}; }; /*}}}*/ class PackageArchitectureMatchesSpecification : public PackageMatcher { /*{{{*/ /** \class PackageArchitectureMatchesSpecification \brief matching against architecture specification strings The strings are of the format <kernel>-<cpu> where either component, or the whole string, can be the wildcard "any" as defined in debian-policy §11.1 "Architecture specification strings". Examples: i386, mipsel, linux-any, any-amd64, any */ std::string literal; std::string complete; bool isPattern; public: /** \brief matching against architecture specification strings * * @param pattern is the architecture specification string * @param isPattern defines if the given \b pattern is a * architecture specification pattern to match others against * or if it is the fixed string and matched against patterns */ PackageArchitectureMatchesSpecification(std::string const &pattern, bool const isPattern = true); bool operator() (char const * const &arch); virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual ~PackageArchitectureMatchesSpecification(); }; /*}}}*/ class PackageIsNewInstall : public PackageMatcher { /*{{{*/ pkgCacheFile * const Cache; public: PackageIsNewInstall(pkgCacheFile * const Cache); virtual bool operator() (pkgCache::PkgIterator const &Pkg); virtual ~PackageIsNewInstall(); }; /*}}}*/ } } #endif