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// -*- 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/string_view.h>
#include <memory>
#include <string>
#include <vector>
#include <regex.h>
class pkgCacheFile;
/*}}}*/
namespace APT {
namespace CacheFilter {
class APT_PUBLIC 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 APT_PUBLIC PackageMatcher : public Matcher {
public:
virtual bool operator() (pkgCache::PkgIterator const &Pkg) APT_OVERRIDE = 0;
virtual bool operator() (pkgCache::VerIterator const &Ver) APT_OVERRIDE { return (*this)(Ver.ParentPkg()); }
virtual bool operator() (pkgCache::GrpIterator const &/*Grp*/) APT_OVERRIDE { return false; }
virtual ~PackageMatcher();
};
// Generica like True, False, NOT, AND, OR /*{{{*/
class APT_PUBLIC TrueMatcher : public Matcher {
public:
virtual bool operator() (pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
virtual bool operator() (pkgCache::GrpIterator const &Grp) APT_OVERRIDE;
virtual bool operator() (pkgCache::VerIterator const &Ver) APT_OVERRIDE;
};
class APT_PUBLIC FalseMatcher : public Matcher {
public:
virtual bool operator() (pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
virtual bool operator() (pkgCache::GrpIterator const &Grp) APT_OVERRIDE;
virtual bool operator() (pkgCache::VerIterator const &Ver) APT_OVERRIDE;
};
class APT_PUBLIC NOTMatcher : public Matcher {
Matcher * const matcher;
public:
explicit NOTMatcher(Matcher * const matcher);
virtual bool operator() (pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
virtual bool operator() (pkgCache::GrpIterator const &Grp) APT_OVERRIDE;
virtual bool operator() (pkgCache::VerIterator const &Ver) APT_OVERRIDE;
virtual ~NOTMatcher();
};
class APT_PUBLIC ANDMatcher : public Matcher {
std::vector<Matcher *> matchers;
public:
// 5 ought to be enough for everybody… c++11 variadic templates would be nice
ANDMatcher();
explicit 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) APT_OVERRIDE;
virtual bool operator() (pkgCache::GrpIterator const &Grp) APT_OVERRIDE;
virtual bool operator() (pkgCache::VerIterator const &Ver) APT_OVERRIDE;
virtual ~ANDMatcher();
};
class APT_PUBLIC ORMatcher : public Matcher {
std::vector<Matcher *> matchers;
public:
// 5 ought to be enough for everybody… c++11 variadic templates would be nice
ORMatcher();
explicit 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) APT_OVERRIDE;
virtual bool operator() (pkgCache::GrpIterator const &Grp) APT_OVERRIDE;
virtual bool operator() (pkgCache::VerIterator const &Ver) APT_OVERRIDE;
virtual ~ORMatcher();
};
/*}}}*/
class APT_PUBLIC PackageNameMatchesRegEx : public PackageMatcher { /*{{{*/
regex_t* pattern;
public:
explicit PackageNameMatchesRegEx(std::string const &Pattern);
virtual bool operator() (pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
virtual bool operator() (pkgCache::GrpIterator const &Grp) APT_OVERRIDE;
virtual ~PackageNameMatchesRegEx();
};
/*}}}*/
class APT_PUBLIC PackageNameMatchesFnmatch : public PackageMatcher { /*{{{*/
const std::string Pattern;
public:
explicit PackageNameMatchesFnmatch(std::string const &Pattern);
virtual bool operator() (pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
virtual bool operator() (pkgCache::GrpIterator const &Grp) APT_OVERRIDE;
virtual ~PackageNameMatchesFnmatch() {};
};
/*}}}*/
class APT_PUBLIC PackageArchitectureMatchesSpecification : public PackageMatcher { /*{{{*/
/** \class PackageArchitectureMatchesSpecification
\brief matching against architecture specification strings
The strings are of the format <libc>-<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, musl-linux-amd64, 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) APT_OVERRIDE;
virtual ~PackageArchitectureMatchesSpecification();
};
/*}}}*/
class APT_PUBLIC PackageIsNewInstall : public PackageMatcher { /*{{{*/
pkgCacheFile * const Cache;
public:
explicit PackageIsNewInstall(pkgCacheFile * const Cache);
virtual bool operator() (pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
virtual ~PackageIsNewInstall();
};
/*}}}*/
/// \brief Parse a pattern, return nullptr or pattern
APT_PUBLIC std::unique_ptr<APT::CacheFilter::Matcher> ParsePattern(APT::StringView pattern, pkgCacheFile *file);
}
}
#endif
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