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/**
* @file
* @author 2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef LUADATAMODEL_H_113E014C
#define LUADATAMODEL_H_113E014C
#include "uscxml/plugins/DataModelImpl.h"
#include <list>
extern "C" {
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}
#ifdef BUILD_AS_PLUGINS
#include "uscxml/plugins/Plugins.h"
#endif
namespace uscxml {
class Event;
class Data;
}
namespace uscxml {
/**
* @ingroup datamodel
* Lua data-model.
*/
class LuaDataModel : public DataModelImpl {
public:
LuaDataModel();
virtual ~LuaDataModel();
virtual std::shared_ptr<DataModelImpl> create(DataModelCallbacks* callbacks);
virtual void addExtension(DataModelExtension* ext);
virtual std::list<std::string> getNames() {
std::list<std::string> names;
names.push_back("lua");
return names;
}
virtual bool isValidSyntax(const std::string& expr);
virtual void setEvent(const Event& event);
// foreach
virtual uint32_t getLength(const std::string& expr);
virtual void setForeach(const std::string& item,
const std::string& array,
const std::string& index,
uint32_t iteration);
virtual bool evalAsBool(const std::string& expr);
virtual Data evalAsData(const std::string& expr);
virtual Data getAsData(const std::string& content);
virtual bool isDeclared(const std::string& expr);
virtual void assign(const std::string& location,
const Data& data,
const std::map<std::string, std::string>& attr = std::map<std::string, std::string>());
virtual void init(const std::string& location,
const Data& data,
const std::map<std::string, std::string>& attr = std::map<std::string, std::string>());
protected:
static int luaInFunction(lua_State * l);
lua_State* _luaState;
};
#ifdef BUILD_AS_PLUGINS
PLUMA_INHERIT_PROVIDER(LuaDataModel, DataModelImpl);
#endif
}
#endif /* end of include guard: LUADATAMODEL_H_113E014C */
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