src/scriptinst.h

   1 /*********************************
   2 ** Tsunagari Tile Engine        **
   3 ** scriptinst.h                 **
   4 ** Copyright 2011-2012 OmegaSDG **
   5 *********************************/
   6
   7 // **********
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to
  10 // deal in the Software without restriction, including without limitation the
  11 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  12 // sell copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24 // IN THE SOFTWARE.
  25 // **********
  26
  27 #ifndef SCRIPTINST_H
  28 #define SCRIPTINST_H
  29
  30 #include <string>
  31
  32 #include <boost/python/object.hpp>
  33 #include <boost/variant.hpp>
  34
  35 class ScriptInst
  36 {
  37 public:
  38         ScriptInst();
  39         ScriptInst(const std::string& strloc);
  40         ScriptInst(boost::python::object pyfn);
  41
  42         // context = domain for errors msgs
  43         bool validate(const std::string& context);
  44         bool invoke();
  45
  46 private:
  47         struct strref {
  48                 std::string filename;
  49                 std::string funcname;
  50                 PyCodeObject* funccall;
  51         };
  52
  53         boost::variant<
  54                 void*,
  55                 strref,
  56                 boost::python::object
  57         > data;
  58
  59         friend struct validate_visitor;
  60         friend struct invoke_visitor;
  61         friend struct topython_visitor;
  62         friend struct scriptinst_to_python;
  63 };
  64
  65 void exportScriptInst();
  66
  67 #endif