pdns/lua-base4.hh

   1 #pragma once
   2 #include "namespaces.hh"
   3 #include <boost/variant/variant.hpp>
   4 #ifdef HAVE_CONFIG_H
   5 #include "config.h"
   6 #endif
   7
   8 class LuaContext;
   9
  10 #if defined(HAVE_LUA)
  11 #include "ext/luawrapper/include/LuaContext.hpp"
  12 #endif
  13
  14 class BaseLua4 : public boost::noncopyable
  15 {
  16 protected:
  17 #ifdef HAVE_LUA
  18   std::unique_ptr<LuaContext> d_lw; // this is way on top because it must get destroyed _last_
  19 #endif
  20
  21 public:
  22   BaseLua4();
  23   void loadFile(const std::string &fname);
  24   void loadString(const std::string &script);
  25   void loadStream(std::istream &is);
  26   virtual ~BaseLua4(); // this is so unique_ptr works with an incomplete type
  27 protected:
  28   void prepareContext();
  29   virtual void postPrepareContext() = 0;
  30   virtual void postLoad() = 0;
  31   typedef vector<pair<string, int> > in_t;
  32   vector<pair<string, boost::variant<int, in_t, struct timeval* > > > d_pd;
  33 };