apt-pkg/cachefilter.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 /** \file cachefilter.h
   4    Collection of functor classes */
   5                                                                         /*}}}*/
   6 #ifndef APT_CACHEFILTER_H
   7 #define APT_CACHEFILTER_H
   8 // Include Files                                                        /*{{{*/
   9 #include <apt-pkg/pkgcache.h>
  10
  11 #include <string>
  12
  13 #include <regex.h>
  14                                                                         /*}}}*/
  15 namespace APT {
  16 namespace CacheFilter {
  17
  18 #define PACKAGE_MATCHER_ABI_COMPAT 1
  19 #ifdef PACKAGE_MATCHER_ABI_COMPAT
  20
  21 // PackageNameMatchesRegEx                                              /*{{{*/
  22 class PackageNameMatchesRegEx {
  23          /** \brief dpointer placeholder (for later in case we need it) */
  24          void *d;
  25         regex_t* pattern;
  26 public:
  27         PackageNameMatchesRegEx(std::string const &Pattern);
  28         bool operator() (pkgCache::PkgIterator const &Pkg);
  29         bool operator() (pkgCache::GrpIterator const &Grp);
  30         ~PackageNameMatchesRegEx();
  31 };
  32                                                                         /*}}}*/
  33 // PackageNameMatchesFnmatch                                            /*{{{*/
  34  class PackageNameMatchesFnmatch {
  35          /** \brief dpointer placeholder (for later in case we need it) */
  36          void *d;
  37          const std::string Pattern;
  38 public:
  39          PackageNameMatchesFnmatch(std::string const &Pattern)
  40             : Pattern(Pattern) {};
  41         bool operator() (pkgCache::PkgIterator const &Pkg);
  42         bool operator() (pkgCache::GrpIterator const &Grp);
  43         ~PackageNameMatchesFnmatch() {};
  44 };
  45                                                                         /*}}}*/
  46 // PackageArchitectureMatchesSpecification                              /*{{{*/
  47 /** \class PackageArchitectureMatchesSpecification
  48    \brief matching against architecture specification strings
  49
  50    The strings are of the format \<kernel\>-\<cpu\> where either component,
  51    or the whole string, can be the wildcard "any" as defined in
  52    debian-policy §11.1 "Architecture specification strings".
  53
  54    Examples: i386, mipsel, linux-any, any-amd64, any */
  55 class PackageArchitectureMatchesSpecification {
  56         std::string literal;
  57         std::string complete;
  58         bool isPattern;
  59         /** \brief dpointer placeholder (for later in case we need it) */
  60         void *d;
  61 public:
  62         /** \brief matching against architecture specification strings
  63          *
  64          * @param pattern is the architecture specification string
  65          * @param isPattern defines if the given \b pattern is a
  66          *        architecture specification pattern to match others against
  67          *        or if it is the fixed string and matched against patterns
  68          */
  69         PackageArchitectureMatchesSpecification(std::string const &pattern, bool const isPattern = true);
  70         bool operator() (char const * const &arch);
  71         bool operator() (pkgCache::PkgIterator const &Pkg);
  72         bool operator() (pkgCache::VerIterator const &Ver);
  73         ~PackageArchitectureMatchesSpecification();
  74 };
  75
  76 #else
  77
  78 class PackageMatcher {
  79  public:
  80    virtual bool operator() (pkgCache::PkgIterator const &Pkg) { return false; };
  81    virtual bool operator() (pkgCache::GrpIterator const &Grp) { return false; };
  82    virtual bool operator() (pkgCache::VerIterator const &Ver) { return false; };
  83
  84    virtual ~PackageMatcher() {};
  85 };
  86
  87 // PackageNameMatchesRegEx                                              /*{{{*/
  88 class PackageNameMatchesRegEx : public PackageMatcher {
  89          /** \brief dpointer placeholder (for later in case we need it) */
  90          void *d;
  91         regex_t* pattern;
  92 public:
  93         PackageNameMatchesRegEx(std::string const &Pattern);
  94         virtual bool operator() (pkgCache::PkgIterator const &Pkg);
  95         virtual bool operator() (pkgCache::GrpIterator const &Grp);
  96         virtual ~PackageNameMatchesRegEx();
  97 };
  98                                                                         /*}}}*/
  99 // PackageNameMatchesFnmatch                                            /*{{{*/
 100    class PackageNameMatchesFnmatch : public PackageMatcher{
 101          /** \brief dpointer placeholder (for later in case we need it) */
 102          void *d;
 103          const std::string Pattern;
 104 public:
 105          PackageNameMatchesFnmatch(std::string const &Pattern)
 106             : Pattern(Pattern) {};
 107         virtual bool operator() (pkgCache::PkgIterator const &Pkg);
 108         virtual bool operator() (pkgCache::GrpIterator const &Grp);
 109         virtual ~PackageNameMatchesFnmatch() {};
 110 };
 111                                                                         /*}}}*/
 112 // PackageArchitectureMatchesSpecification                              /*{{{*/
 113 /** \class PackageArchitectureMatchesSpecification
 114    \brief matching against architecture specification strings
 115
 116    The strings are of the format <kernel>-<cpu> where either component,
 117    or the whole string, can be the wildcard "any" as defined in
 118    debian-policy §11.1 "Architecture specification strings".
 119
 120    Examples: i386, mipsel, linux-any, any-amd64, any */
 121 class PackageArchitectureMatchesSpecification : public PackageMatcher {
 122         std::string literal;
 123         std::string complete;
 124         bool isPattern;
 125         /** \brief dpointer placeholder (for later in case we need it) */
 126         void *d;
 127 public:
 128         /** \brief matching against architecture specification strings
 129          *
 130          * @param pattern is the architecture specification string
 131          * @param isPattern defines if the given \b pattern is a
 132          *        architecture specification pattern to match others against
 133          *        or if it is the fixed string and matched against patterns
 134          */
 135         PackageArchitectureMatchesSpecification(std::string const &pattern, bool const isPattern = true);
 136         bool operator() (char const * const &arch);
 137         virtual bool operator() (pkgCache::PkgIterator const &Pkg);
 138         virtual bool operator() (pkgCache::VerIterator const &Ver);
 139         virtual ~PackageArchitectureMatchesSpecification();
 140 };
 141 #endif
 142                                                                         /*}}}*/
 143 }
 144 }
 145 #endif