Change docs to use new performance test code,

upgrade docs to quickbook 1.7.

performance/re2.cpp

@@ -0,0 +1,71 @@
+///////////////////////////////////////////////////////////////
+//  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_
+//
+
+#ifdef TEST_RE2
+
+#include "performance.hpp"
+#include <boost/scoped_ptr.hpp>
+#include <re2.h>
+
+using namespace re2;
+
+struct re2_regex : public abstract_regex
+{
+private:
+   boost::scoped_ptr<RE2> pat;
+public:
+   re2_regex() {}
+   ~re2_regex(){}
+   virtual bool set_expression(const char* pp, bool isperl)
+   {
+      if(!isperl)
+         return false;
+      std::string s("(?m)");
+      s += pp;
+      pat.reset(new RE2(s));
+      return pat->ok();
+   }
+   virtual bool match_test(const char* text);
+   virtual unsigned find_all(const char* text);
+   virtual std::string name();
+
+   struct initializer
+   {
+      initializer()
+      {
+         re2_regex::register_instance(boost::shared_ptr<abstract_regex>(new re2_regex));
+      }
+      void do_nothing()const {}
+   };
+   static const initializer init;
+};
+
+const re2_regex::initializer re2_regex::init;
+
+
+bool re2_regex::match_test(const char * text)
+{
+   return RE2::FullMatch(text, *pat);
+}
+
+unsigned re2_regex::find_all(const char * text)
+{
+   unsigned count = 0;
+   StringPiece input(text);
+   while(RE2::FindAndConsume(&input, *pat))
+   {
+      ++count;
+   }
+   return count;
+}
+
+std::string re2_regex::name()
+{
+   init.do_nothing();
+   return "RE2";
+}
+
+#endif