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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 DATAMODEL_H_F1F776F9
#define DATAMODEL_H_F1F776F9
#include "uscxml/config.h"
#include "uscxml/Common.h"
#include "uscxml/InterpreterInfo.h"
#include "uscxml/plugins/EventHandler.h"
#ifndef TIME_BLOCK
# ifdef BUILD_PROFILING
# include "uscxml/concurrency/Timer.h"
# define TIME_BLOCK Measurement msm(&timer);
# else
# define TIME_BLOCK
# endif
#endif
#include <list>
#include <boost/shared_ptr.hpp>
#include <string>
#include <sstream>
#include "DOM/Document.hpp"
namespace uscxml {
class InterpreterImpl;
class DataModelImpl;
class USCXML_API DataModelExtension {
public:
DataModelExtension() : dm(NULL) {}
virtual ~DataModelExtension() {}
virtual std::string provides() = 0;
virtual Data getValueOf(const std::string& member) = 0;
virtual void setValueOf(const std::string& member, const Data& data) = 0;
DataModelImpl* dm;
};
class USCXML_API DataModelImpl {
public:
virtual ~DataModelImpl() {}
virtual boost::shared_ptr<DataModelImpl> create(InterpreterInfo* interpreter) = 0;
virtual std::list<std::string> getNames() = 0;
virtual bool validate(const std::string& location, const std::string& schema) = 0;
virtual bool isLocation(const std::string& expr) = 0;
virtual bool isValidSyntax(const std::string& expr) {
return true; // overwrite when datamodel supports it
}
virtual void setEvent(const Event& event) = 0;
virtual Data getStringAsData(const std::string& content) = 0;
size_t replaceExpressions(std::string& content);
// foreach
virtual uint32_t getLength(const std::string& expr) = 0;
virtual void setForeach(const std::string& item,
const std::string& array,
const std::string& index,
uint32_t iteration) = 0;
virtual void pushContext() = 0;
virtual void popContext() = 0;
virtual void eval(const Arabica::DOM::Element<std::string>& scriptElem,
const std::string& expr) = 0;
virtual std::string evalAsString(const std::string& expr) = 0;
virtual bool evalAsBool(const Arabica::DOM::Element<std::string>& scriptNode,
const std::string& expr) = 0;
virtual bool evalAsBool(const std::string& expr) {
return evalAsBool(Arabica::DOM::Element<std::string>(), expr);
}
virtual bool isDeclared(const std::string& expr) = 0;
/**
* test147:
* <data id="Var1" expr="0"/>
*
* test150:
* <data id="Var3">
* [1,2,3]
* </data>
*
* test277:
* <data id="Var1" expr="return"/>
*
*/
virtual void assign(const Arabica::DOM::Element<std::string>& assignElem,
const Arabica::DOM::Node<std::string>& node,
const std::string& content) = 0;
virtual void assign(const std::string& location, const Data& data) = 0;
virtual void init(const Arabica::DOM::Element<std::string>& dataElem,
const Arabica::DOM::Node<std::string>& node,
const std::string& content) = 0;
virtual void init(const std::string& location, const Data& data) = 0;
virtual void setInterpreter(InterpreterInfo* interpreter) {
_interpreter = interpreter;
}
virtual void addExtension(DataModelExtension* ext);
virtual std::string andExpressions(std::list<std::string>) {
return "";
}
protected:
InterpreterInfo* _interpreter;
};
class USCXML_API DataModel {
public:
DataModel() : _impl() {}
DataModel(const boost::shared_ptr<DataModelImpl> impl) : _impl(impl) { }
DataModel(const DataModel& other) : _impl(other._impl) { }
virtual ~DataModel() {};
operator bool() const {
return _impl;
}
bool operator< (const DataModel& other) const {
return _impl < other._impl;
}
bool operator==(const DataModel& other) const {
return _impl == other._impl;
}
bool operator!=(const DataModel& other) const {
return _impl != other._impl;
}
DataModel& operator= (const DataModel& other) {
_impl = other._impl;
return *this;
}
virtual std::list<std::string> getNames() {
TIME_BLOCK
return _impl->getNames();
}
virtual bool validate(const std::string& location, const std::string& schema) {
TIME_BLOCK
return _impl->validate(location, schema);
}
virtual bool isLocation(const std::string& expr) {
TIME_BLOCK
return _impl->isLocation(expr);
}
virtual bool isValidSyntax(const std::string& expr) {
TIME_BLOCK
return _impl->isValidSyntax(expr);
}
virtual void setEvent(const Event& event) {
TIME_BLOCK
return _impl->setEvent(event);
}
virtual Data getStringAsData(const std::string& content) {
TIME_BLOCK
return _impl->getStringAsData(content);
}
virtual void pushContext() {
TIME_BLOCK
return _impl->pushContext();
}
virtual void popContext() {
TIME_BLOCK
return _impl->popContext();
}
virtual void eval(const Arabica::DOM::Element<std::string>& scriptElem,
const std::string& expr) {
TIME_BLOCK
return _impl->eval(scriptElem, expr);
}
virtual std::string evalAsString(const std::string& expr) {
TIME_BLOCK
return _impl->evalAsString(expr);
}
virtual bool evalAsBool(const std::string& expr) {
TIME_BLOCK
return _impl->evalAsBool(expr);
}
virtual bool evalAsBool(const Arabica::DOM::Element<std::string>& scriptNode,
const std::string& expr) {
TIME_BLOCK
return _impl->evalAsBool(scriptNode, expr);
}
virtual uint32_t getLength(const std::string& expr) {
TIME_BLOCK
return _impl->getLength(expr);
}
virtual void setForeach(const std::string& item,
const std::string& array,
const std::string& index,
uint32_t iteration) {
TIME_BLOCK
return _impl->setForeach(item, array, index, iteration);
}
virtual void assign(const Arabica::DOM::Element<std::string>& assignElem,
const Arabica::DOM::Node<std::string>& node,
const std::string& content) {
TIME_BLOCK
return _impl->assign(assignElem, node, content);
}
virtual void assign(const std::string& location, const Data& data) {
TIME_BLOCK
return _impl->assign(location, data);
}
virtual void init(const Arabica::DOM::Element<std::string>& dataElem,
const Arabica::DOM::Node<std::string>& node,
const std::string& content) {
TIME_BLOCK
return _impl->init(dataElem, node, content);
}
virtual void init(const std::string& location, const Data& data) {
TIME_BLOCK
return _impl->init(location, data);
}
virtual bool isDeclared(const std::string& expr) {
TIME_BLOCK
return _impl->isDeclared(expr);
}
size_t replaceExpressions(std::string& content) {
TIME_BLOCK
return _impl->replaceExpressions(content);
}
std::string andExpressions(std::list<std::string> expressions) {
TIME_BLOCK
return _impl->andExpressions(expressions);
}
virtual void setInterpreter(InterpreterInfo* interpreter) {
TIME_BLOCK
_impl->setInterpreter(interpreter);
}
virtual void addExtension(DataModelExtension* ext) {
TIME_BLOCK
_impl->addExtension(ext);
}
#ifdef BUILD_PROFILING
Timer timer;
#endif
protected:
boost::shared_ptr<DataModelImpl> _impl;
};
}
#endif /* end of include guard: DATAMODEL_H_F1F776F9 */
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