| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | /** \file cachefilter.h |
| 4 | Collection of functor classes */ |
| 5 | /*}}}*/ |
| 6 | // Include Files /*{{{*/ |
| 7 | #include <config.h> |
| 8 | |
| 9 | #include <apt-pkg/cachefile.h> |
| 10 | #include <apt-pkg/cachefilter.h> |
| 11 | #include <apt-pkg/error.h> |
| 12 | #include <apt-pkg/pkgcache.h> |
| 13 | #include <apt-pkg/cacheiterators.h> |
| 14 | #include <apt-pkg/strutl.h> |
| 15 | #include <apt-pkg/macros.h> |
| 16 | |
| 17 | #include <string> |
| 18 | #include <string.h> |
| 19 | #include <regex.h> |
| 20 | #include <fnmatch.h> |
| 21 | |
| 22 | #include <apti18n.h> |
| 23 | /*}}}*/ |
| 24 | namespace APT { |
| 25 | namespace CacheFilter { |
| 26 | APT_CONST Matcher::~Matcher() {} |
| 27 | APT_CONST PackageMatcher::~PackageMatcher() {} |
| 28 | |
| 29 | // Name matches RegEx /*{{{*/ |
| 30 | PackageNameMatchesRegEx::PackageNameMatchesRegEx(std::string const &Pattern) { |
| 31 | pattern = new regex_t; |
| 32 | int const Res = regcomp(pattern, Pattern.c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB); |
| 33 | if (Res == 0) |
| 34 | return; |
| 35 | |
| 36 | delete pattern; |
| 37 | pattern = NULL; |
| 38 | char Error[300]; |
| 39 | regerror(Res, pattern, Error, sizeof(Error)); |
| 40 | _error->Error(_("Regex compilation error - %s"), Error); |
| 41 | } |
| 42 | bool PackageNameMatchesRegEx::operator() (pkgCache::PkgIterator const &Pkg) { |
| 43 | if (unlikely(pattern == NULL)) |
| 44 | return false; |
| 45 | else |
| 46 | return regexec(pattern, Pkg.Name(), 0, 0, 0) == 0; |
| 47 | } |
| 48 | bool PackageNameMatchesRegEx::operator() (pkgCache::GrpIterator const &Grp) { |
| 49 | if (unlikely(pattern == NULL)) |
| 50 | return false; |
| 51 | else |
| 52 | return regexec(pattern, Grp.Name(), 0, 0, 0) == 0; |
| 53 | } |
| 54 | PackageNameMatchesRegEx::~PackageNameMatchesRegEx() { |
| 55 | if (pattern == NULL) |
| 56 | return; |
| 57 | regfree(pattern); |
| 58 | delete pattern; |
| 59 | } |
| 60 | /*}}}*/ |
| 61 | // Name matches Fnmatch /*{{{*/ |
| 62 | PackageNameMatchesFnmatch::PackageNameMatchesFnmatch(std::string const &Pattern) : |
| 63 | Pattern(Pattern) {} |
| 64 | bool PackageNameMatchesFnmatch::operator() (pkgCache::PkgIterator const &Pkg) { |
| 65 | return fnmatch(Pattern.c_str(), Pkg.Name(), FNM_CASEFOLD) == 0; |
| 66 | } |
| 67 | bool PackageNameMatchesFnmatch::operator() (pkgCache::GrpIterator const &Grp) { |
| 68 | return fnmatch(Pattern.c_str(), Grp.Name(), FNM_CASEFOLD) == 0; |
| 69 | } |
| 70 | /*}}}*/ |
| 71 | // Architecture matches <kernel>-<cpu> specification /*{{{*/ |
| 72 | //---------------------------------------------------------------------- |
| 73 | /* The complete architecture, consisting of <kernel>-<cpu>. */ |
| 74 | static std::string CompleteArch(std::string const &arch) { |
| 75 | if (arch.find('-') != std::string::npos) { |
| 76 | // ensure that only -any- is replaced and not something like company- |
| 77 | std::string complete = std::string("-").append(arch).append("-"); |
| 78 | complete = SubstVar(complete, "-any-", "-*-"); |
| 79 | complete = complete.substr(1, complete.size()-2); |
| 80 | return complete; |
| 81 | } |
| 82 | else if (arch == "any") return "*-*"; |
| 83 | else return "linux-" + arch; |
| 84 | } |
| 85 | PackageArchitectureMatchesSpecification::PackageArchitectureMatchesSpecification(std::string const &pattern, bool const isPattern) : |
| 86 | literal(pattern), complete(CompleteArch(pattern)), isPattern(isPattern) { |
| 87 | } |
| 88 | bool PackageArchitectureMatchesSpecification::operator() (char const * const &arch) { |
| 89 | if (strcmp(literal.c_str(), arch) == 0 || |
| 90 | strcmp(complete.c_str(), arch) == 0) |
| 91 | return true; |
| 92 | std::string const pkgarch = CompleteArch(arch); |
| 93 | if (isPattern == true) |
| 94 | return fnmatch(complete.c_str(), pkgarch.c_str(), 0) == 0; |
| 95 | return fnmatch(pkgarch.c_str(), complete.c_str(), 0) == 0; |
| 96 | } |
| 97 | bool PackageArchitectureMatchesSpecification::operator() (pkgCache::PkgIterator const &Pkg) { |
| 98 | return (*this)(Pkg.Arch()); |
| 99 | } |
| 100 | PackageArchitectureMatchesSpecification::~PackageArchitectureMatchesSpecification() { |
| 101 | } |
| 102 | /*}}}*/ |
| 103 | // Package is new install /*{{{*/ |
| 104 | PackageIsNewInstall::PackageIsNewInstall(pkgCacheFile * const Cache) : Cache(Cache) {} |
| 105 | APT_PURE bool PackageIsNewInstall::operator() (pkgCache::PkgIterator const &Pkg) { |
| 106 | return (*Cache)[Pkg].NewInstall(); |
| 107 | } |
| 108 | PackageIsNewInstall::~PackageIsNewInstall() {} |
| 109 | /*}}}*/ |
| 110 | // Generica like True, False, NOT, AND, OR /*{{{*/ |
| 111 | APT_CONST bool TrueMatcher::operator() (pkgCache::PkgIterator const &) { return true; } |
| 112 | APT_CONST bool TrueMatcher::operator() (pkgCache::GrpIterator const &) { return true; } |
| 113 | APT_CONST bool TrueMatcher::operator() (pkgCache::VerIterator const &) { return true; } |
| 114 | |
| 115 | APT_CONST bool FalseMatcher::operator() (pkgCache::PkgIterator const &) { return false; } |
| 116 | APT_CONST bool FalseMatcher::operator() (pkgCache::GrpIterator const &) { return false; } |
| 117 | APT_CONST bool FalseMatcher::operator() (pkgCache::VerIterator const &) { return false; } |
| 118 | |
| 119 | NOTMatcher::NOTMatcher(Matcher * const matcher) : matcher(matcher) {} |
| 120 | bool NOTMatcher::operator() (pkgCache::PkgIterator const &Pkg) { return ! (*matcher)(Pkg); } |
| 121 | bool NOTMatcher::operator() (pkgCache::GrpIterator const &Grp) { return ! (*matcher)(Grp); } |
| 122 | bool NOTMatcher::operator() (pkgCache::VerIterator const &Ver) { return ! (*matcher)(Ver); } |
| 123 | NOTMatcher::~NOTMatcher() { delete matcher; } |
| 124 | |
| 125 | ANDMatcher::ANDMatcher() {} |
| 126 | ANDMatcher::ANDMatcher(Matcher * const matcher1) { |
| 127 | AND(matcher1); |
| 128 | } |
| 129 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2) { |
| 130 | AND(matcher1).AND(matcher2); |
| 131 | } |
| 132 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3) { |
| 133 | AND(matcher1).AND(matcher2).AND(matcher3); |
| 134 | } |
| 135 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4) { |
| 136 | AND(matcher1).AND(matcher2).AND(matcher3).AND(matcher4); |
| 137 | } |
| 138 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5) { |
| 139 | AND(matcher1).AND(matcher2).AND(matcher3).AND(matcher4).AND(matcher5); |
| 140 | } |
| 141 | ANDMatcher& ANDMatcher::AND(Matcher * const matcher) { matchers.push_back(matcher); return *this; } |
| 142 | bool ANDMatcher::operator() (pkgCache::PkgIterator const &Pkg) { |
| 143 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 144 | if ((**M)(Pkg) == false) |
| 145 | return false; |
| 146 | return true; |
| 147 | } |
| 148 | bool ANDMatcher::operator() (pkgCache::GrpIterator const &Grp) { |
| 149 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 150 | if ((**M)(Grp) == false) |
| 151 | return false; |
| 152 | return true; |
| 153 | } |
| 154 | bool ANDMatcher::operator() (pkgCache::VerIterator const &Ver) { |
| 155 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 156 | if ((**M)(Ver) == false) |
| 157 | return false; |
| 158 | return true; |
| 159 | } |
| 160 | ANDMatcher::~ANDMatcher() { |
| 161 | for (std::vector<Matcher *>::iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 162 | delete *M; |
| 163 | } |
| 164 | |
| 165 | ORMatcher::ORMatcher() {} |
| 166 | ORMatcher::ORMatcher(Matcher * const matcher1) { |
| 167 | OR(matcher1); |
| 168 | } |
| 169 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2) { |
| 170 | OR(matcher1).OR(matcher2); |
| 171 | } |
| 172 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3) { |
| 173 | OR(matcher1).OR(matcher2).OR(matcher3); |
| 174 | } |
| 175 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4) { |
| 176 | OR(matcher1).OR(matcher2).OR(matcher3).OR(matcher4); |
| 177 | } |
| 178 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5) { |
| 179 | OR(matcher1).OR(matcher2).OR(matcher3).OR(matcher4).OR(matcher5); |
| 180 | } |
| 181 | ORMatcher& ORMatcher::OR(Matcher * const matcher) { matchers.push_back(matcher); return *this; } |
| 182 | bool ORMatcher::operator() (pkgCache::PkgIterator const &Pkg) { |
| 183 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 184 | if ((**M)(Pkg) == true) |
| 185 | return true; |
| 186 | return false; |
| 187 | } |
| 188 | bool ORMatcher::operator() (pkgCache::GrpIterator const &Grp) { |
| 189 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 190 | if ((**M)(Grp) == true) |
| 191 | return true; |
| 192 | return false; |
| 193 | } |
| 194 | bool ORMatcher::operator() (pkgCache::VerIterator const &Ver) { |
| 195 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 196 | if ((**M)(Ver) == true) |
| 197 | return true; |
| 198 | return false; |
| 199 | } |
| 200 | ORMatcher::~ORMatcher() { |
| 201 | for (std::vector<Matcher *>::iterator M = matchers.begin(); M != matchers.end(); ++M) |
| 202 | delete *M; |
| 203 | } |
| 204 | /*}}}*/ |
| 205 | |
| 206 | } |
| 207 | } |