patterns: Add base class for regular expression matching

1 files changed, 15 insertions, 0 deletions

diff --git a/apt-pkg/cachefilter-patterns.h b/apt-pkg/cachefilter-patterns.h
index d37da815f..f13edbbc2 100644
--- a/apt-pkg/cachefilter-patterns.h
+++ b/apt-pkg/cachefilter-patterns.h
@@ -117,6 +117,21 @@ namespace Patterns
 {
 using namespace APT::CacheFilter;
 
+/** \brief Basic helper class for matching regex */
+class BaseRegexMatcher
+{
+   regex_t *pattern;
+
+   public:
+   BaseRegexMatcher(std::string const &string);
+   ~BaseRegexMatcher();
+   bool operator()(const char *cstring);
+   bool operator()(std::string const &string)
+   {
+      return (*this)(string.c_str());
+   }
+};
+
 struct PackageIsAutomatic : public PackageMatcher
 {
    pkgCacheFile *Cache;