1 files changed, 62 insertions, 0 deletions
diff --git a/src/boost/libs/regex/performance/boost.cpp b/src/boost/libs/regex/performance/boost.cpp
new file mode 100644
index 00000000..dfff9eca
--- /dev/null
+++ b/src/boost/libs/regex/performance/boost.cpp
@@ -0,0 +1,62 @@
+///////////////////////////////////////////////////////////////
+//  Copyright 2015 John Maddock. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_
+//
+
+#include "performance.hpp"
+#include <boost/regex.hpp>
+#include <boost/version.hpp>
+#include <boost/lexical_cast.hpp>
+
+struct boost_regex : public abstract_regex
+{
+private:
+   boost::regex e;
+   boost::cmatch what;
+public:
+   virtual bool set_expression(const char* pe, bool isperl)
+   {
+      e.assign(pe, isperl ? boost::regex::perl : boost::regex::extended);
+      return e.status() == 0;
+   }
+   virtual bool match_test(const char* text);
+   virtual unsigned find_all(const char* text);
+   virtual std::string name();
+
+   struct initializer
+   {
+      initializer()
+      {
+         boost_regex::register_instance(boost::shared_ptr<abstract_regex>(new boost_regex));
+      }
+      void do_nothing()const {}
+   };
+   static const initializer init;
+};
+
+const boost_regex::initializer boost_regex::init;
+
+
+bool boost_regex::match_test(const char * text)
+{
+   return regex_match(text, what, e);
+}
+
+unsigned boost_regex::find_all(const char * text)
+{
+   boost::regex_iterator<const char*> i(text, text + std::strlen(text), e), j;
+   unsigned count = 0;
+   while(i != j)
+   {
+      ++i;
+      ++count;
+   }
+   return count;
+}
+
+std::string boost_regex::name()
+{
+   init.do_nothing();
+   return boost_name();
+}