/**
 *  @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 WRAPPEDDATAMODEL_H_DBAAD6AF
#define WRAPPEDDATAMODEL_H_DBAAD6AF

#include <vector>
#include <list>
#include <ostream>
#include <string>
#include <iostream>

#include <xercesc/dom/DOM.hpp>

#include "../../../uscxml/plugins/DataModelImpl.h"

namespace uscxml {

class WrappedDataModel : public DataModelImpl {
public:

    WrappedDataModel();
    virtual ~WrappedDataModel();
    
    virtual std::shared_ptr<DataModelImpl> create(DataModelCallbacks* callbacks) {
        std::shared_ptr<WrappedDataModel> dm(create());
        dm->callbacks = callbacks;
        return dm;
    }
        
    virtual std::list<std::string> getNames() {
        return std::list<std::string>();
    }
    
		virtual WrappedDataModel* create() {
			return new WrappedDataModel();
		}
		
    virtual bool isValidSyntax(const std::string& expr) {
        return true;
    }
    
    virtual void setEvent(const Event& event) {}
    
    // foreach
    virtual uint32_t getLength(const std::string& expr) {
        return 0;
    }
    
    virtual void setForeach(const std::string& item,
                            const std::string& array,
                            const std::string& index,
                            uint32_t iteration) {}
    
    virtual Data getAsData(const std::string& content) {
        return Data();
    }
    virtual Data evalAsData(const std::string& expr) {
        return Data();
    }
    virtual bool evalAsBool(const std::string& expr) {
        return true;
    }
    
    virtual bool isDeclared(const std::string& expr) {
        return true;
    }
    
    virtual void assign(const std::string& location, const Data& data) {}
    virtual void init(const std::string& location, const Data& data) {}
    
    virtual std::string andExpressions(std::list<std::string>) {
        return "";
    }

protected:
    DataModelCallbacks* callbacks;
};

}

#endif /* end of include guard: WRAPPEDDATAMODEL_H_DBAAD6AF */