diff options
Diffstat (limited to 'apt-pkg/cachefilter.cc')
| -rw-r--r-- | apt-pkg/cachefilter.cc | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/apt-pkg/cachefilter.cc b/apt-pkg/cachefilter.cc new file mode 100644 index 000000000..b1adf5de3 --- /dev/null +++ b/apt-pkg/cachefilter.cc @@ -0,0 +1,226 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/** \file cachefilter.h + Collection of functor classes */ + /*}}}*/ +// Include Files /*{{{*/ +#include <config.h> + +#include <apt-pkg/cachefile.h> +#include <apt-pkg/cachefilter.h> +#include <apt-pkg/error.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/cacheiterators.h> +#include <apt-pkg/strutl.h> +#include <apt-pkg/macros.h> + +#include <string> +#include <string.h> +#include <regex.h> +#include <fnmatch.h> + +#include <apti18n.h> + /*}}}*/ +namespace APT { +namespace CacheFilter { +APT_CONST Matcher::~Matcher() {} +APT_CONST PackageMatcher::~PackageMatcher() {} + +// Name matches RegEx /*{{{*/ +PackageNameMatchesRegEx::PackageNameMatchesRegEx(std::string const &Pattern) { + pattern = new regex_t; + int const Res = regcomp(pattern, Pattern.c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB); + if (Res == 0) + return; + + delete pattern; + pattern = NULL; + char Error[300]; + regerror(Res, pattern, Error, sizeof(Error)); + _error->Error(_("Regex compilation error - %s"), Error); +} +bool PackageNameMatchesRegEx::operator() (pkgCache::PkgIterator const &Pkg) { + if (unlikely(pattern == NULL)) + return false; + else + return regexec(pattern, Pkg.Name(), 0, 0, 0) == 0; +} +bool PackageNameMatchesRegEx::operator() (pkgCache::GrpIterator const &Grp) { + if (unlikely(pattern == NULL)) + return false; + else + return regexec(pattern, Grp.Name(), 0, 0, 0) == 0; +} +PackageNameMatchesRegEx::~PackageNameMatchesRegEx() { + if (pattern == NULL) + return; + regfree(pattern); + delete pattern; +} + /*}}}*/ +// Name matches Fnmatch /*{{{*/ +PackageNameMatchesFnmatch::PackageNameMatchesFnmatch(std::string const &Pattern) : + Pattern(Pattern) {} +bool PackageNameMatchesFnmatch::operator() (pkgCache::PkgIterator const &Pkg) { + return fnmatch(Pattern.c_str(), Pkg.Name(), FNM_CASEFOLD) == 0; +} +bool PackageNameMatchesFnmatch::operator() (pkgCache::GrpIterator const &Grp) { + return fnmatch(Pattern.c_str(), Grp.Name(), FNM_CASEFOLD) == 0; +} + /*}}}*/ +// Architecture matches <libc>-<kernel>-<cpu> specification /*{{{*/ +//---------------------------------------------------------------------- +/* The complete architecture, consisting of <libc>-<kernel>-<cpu>. */ +static std::string CompleteArch(std::string const &arch, bool const isPattern) { + auto const found = arch.find('-'); + if (found != std::string::npos) + { + // ensure that only -any- is replaced and not something like company- + std::string complete = std::string("-").append(arch).append("-"); + size_t pos = 0; + char const * const search = "-any-"; + auto const search_len = strlen(search) - 2; + while((pos = complete.find(search, pos)) != std::string::npos) { + complete.replace(pos + 1, search_len, "*"); + pos += 2; + } + complete = complete.substr(1, complete.size()-2); + if (arch.find('-', found+1) != std::string::npos) + // <libc>-<kernel>-<cpu> format + return complete; + // <kernel>-<cpu> format + else if (isPattern) + return "*-" + complete; + else + return "gnu-" + complete; + } + else if (arch == "any") + return "*-*-*"; + else if (isPattern) + return "*-linux-" + arch; + else + return "gnu-linux-" + arch; +} +PackageArchitectureMatchesSpecification::PackageArchitectureMatchesSpecification(std::string const &pattern, bool const pisPattern) : + literal(pattern), complete(CompleteArch(pattern, pisPattern)), isPattern(pisPattern) { +} +bool PackageArchitectureMatchesSpecification::operator() (char const * const &arch) { + if (strcmp(literal.c_str(), arch) == 0 || + strcmp(complete.c_str(), arch) == 0) + return true; + std::string const pkgarch = CompleteArch(arch, !isPattern); + if (isPattern == true) + return fnmatch(complete.c_str(), pkgarch.c_str(), 0) == 0; + return fnmatch(pkgarch.c_str(), complete.c_str(), 0) == 0; +} +bool PackageArchitectureMatchesSpecification::operator() (pkgCache::PkgIterator const &Pkg) { + return (*this)(Pkg.Arch()); +} +PackageArchitectureMatchesSpecification::~PackageArchitectureMatchesSpecification() { +} + /*}}}*/ +// Package is new install /*{{{*/ +PackageIsNewInstall::PackageIsNewInstall(pkgCacheFile * const Cache) : Cache(Cache) {} +APT_PURE bool PackageIsNewInstall::operator() (pkgCache::PkgIterator const &Pkg) { + return (*Cache)[Pkg].NewInstall(); +} +PackageIsNewInstall::~PackageIsNewInstall() {} + /*}}}*/ +// Generica like True, False, NOT, AND, OR /*{{{*/ +APT_CONST bool TrueMatcher::operator() (pkgCache::PkgIterator const &) { return true; } +APT_CONST bool TrueMatcher::operator() (pkgCache::GrpIterator const &) { return true; } +APT_CONST bool TrueMatcher::operator() (pkgCache::VerIterator const &) { return true; } + +APT_CONST bool FalseMatcher::operator() (pkgCache::PkgIterator const &) { return false; } +APT_CONST bool FalseMatcher::operator() (pkgCache::GrpIterator const &) { return false; } +APT_CONST bool FalseMatcher::operator() (pkgCache::VerIterator const &) { return false; } + +NOTMatcher::NOTMatcher(Matcher * const matcher) : matcher(matcher) {} +bool NOTMatcher::operator() (pkgCache::PkgIterator const &Pkg) { return ! (*matcher)(Pkg); } +bool NOTMatcher::operator() (pkgCache::GrpIterator const &Grp) { return ! (*matcher)(Grp); } +bool NOTMatcher::operator() (pkgCache::VerIterator const &Ver) { return ! (*matcher)(Ver); } +NOTMatcher::~NOTMatcher() { delete matcher; } + +ANDMatcher::ANDMatcher() {} +ANDMatcher::ANDMatcher(Matcher * const matcher1) { + AND(matcher1); +} +ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2) { + AND(matcher1).AND(matcher2); +} +ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3) { + AND(matcher1).AND(matcher2).AND(matcher3); +} +ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4) { + AND(matcher1).AND(matcher2).AND(matcher3).AND(matcher4); +} +ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5) { + AND(matcher1).AND(matcher2).AND(matcher3).AND(matcher4).AND(matcher5); +} +ANDMatcher& ANDMatcher::AND(Matcher * const matcher) { matchers.push_back(matcher); return *this; } +bool ANDMatcher::operator() (pkgCache::PkgIterator const &Pkg) { + for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) + if ((**M)(Pkg) == false) + return false; + return true; +} +bool ANDMatcher::operator() (pkgCache::GrpIterator const &Grp) { + for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) + if ((**M)(Grp) == false) + return false; + return true; +} +bool ANDMatcher::operator() (pkgCache::VerIterator const &Ver) { + for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) + if ((**M)(Ver) == false) + return false; + return true; +} +ANDMatcher::~ANDMatcher() { + for (std::vector<Matcher *>::iterator M = matchers.begin(); M != matchers.end(); ++M) + delete *M; +} + +ORMatcher::ORMatcher() {} +ORMatcher::ORMatcher(Matcher * const matcher1) { + OR(matcher1); +} +ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2) { + OR(matcher1).OR(matcher2); +} +ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3) { + OR(matcher1).OR(matcher2).OR(matcher3); +} +ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4) { + OR(matcher1).OR(matcher2).OR(matcher3).OR(matcher4); +} +ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5) { + OR(matcher1).OR(matcher2).OR(matcher3).OR(matcher4).OR(matcher5); +} +ORMatcher& ORMatcher::OR(Matcher * const matcher) { matchers.push_back(matcher); return *this; } +bool ORMatcher::operator() (pkgCache::PkgIterator const &Pkg) { + for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) + if ((**M)(Pkg) == true) + return true; + return false; +} +bool ORMatcher::operator() (pkgCache::GrpIterator const &Grp) { + for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) + if ((**M)(Grp) == true) + return true; + return false; +} +bool ORMatcher::operator() (pkgCache::VerIterator const &Ver) { + for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) + if ((**M)(Ver) == true) + return true; + return false; +} +ORMatcher::~ORMatcher() { + for (std::vector<Matcher *>::iterator M = matchers.begin(); M != matchers.end(); ++M) + delete *M; +} + /*}}}*/ + +} +} |