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/**
* @file
* @author 2012-2013 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 RUNTIME_H_SQ1MBKGN
#define RUNTIME_H_SQ1MBKGN
// this has to be the first include or MSVC will run amok
#include "uscxml/Common.h"
#include "getopt.h"
#include "uscxml/URL.h"
#include <boost/shared_ptr.hpp>
#include <iostream>
#include <set>
#include <map>
#include <XPath/XPath.hpp>
#include <DOM/Document.hpp>
#include <io/uri.hpp>
#include <DOM/SAX2DOM/SAX2DOM.hpp>
#include <SAX/helpers/CatchErrorHandler.hpp>
#include <DOM/Events/EventTarget.hpp>
#include <DOM/Events/EventListener.hpp>
#include "uscxml/concurrency/tinythread.h"
#include "uscxml/concurrency/eventqueue/DelayedEventQueue.h"
#include "uscxml/concurrency/BlockingQueue.h"
#include "uscxml/Message.h"
#include "uscxml/Factory.h"
#include "uscxml/server/InterpreterServlet.h"
#define USCXML_MONITOR_CATCH(callback) \
catch (Event e) { \
LOG(ERROR) << "Syntax error when calling " #callback " on monitors: " << std::endl << e << std::endl; \
} catch (boost::bad_weak_ptr e) { \
LOG(ERROR) << "Unclean shutdown " << std::endl << std::endl; \
} catch (...) { \
LOG(ERROR) << "An exception occured when calling " #callback " on monitors"; \
} \
if (_state == InterpreterState::USCXML_DESTROYED) { \
throw boost::bad_weak_ptr(); \
} \
#define USCXML_MONITOR_CALLBACK(callback)\
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) { \
try { \
(*monIter)->callback(shared_from_this()); \
} \
USCXML_MONITOR_CATCH(callback) \
}
#define USCXML_MONITOR_CALLBACK2(callback, arg1)\
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) { \
try { \
(*monIter)->callback(shared_from_this(), arg1); \
} \
USCXML_MONITOR_CATCH(callback) \
}
#define USCXML_MONITOR_CALLBACK3(callback, arg1, arg2)\
for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) { \
try { \
(*monIter)->callback(shared_from_this(), arg1, arg2); \
} \
USCXML_MONITOR_CATCH(callback) \
}
namespace uscxml {
class HTTPServletInvoker;
class InterpreterMonitor;
class USCXML_API NumAttr {
public:
NumAttr(const std::string& str) {
size_t valueStart = str.find_first_of("0123456789.");
if (valueStart != std::string::npos) {
size_t valueEnd = str.find_last_of("0123456789.");
if (valueEnd != std::string::npos) {
value = str.substr(valueStart, (valueEnd - valueStart) + 1);
size_t unitStart = str.find_first_not_of(" \t", valueEnd + 1);
if (unitStart != std::string::npos) {
size_t unitEnd = str.find_last_of(" \t");
if (unitEnd != std::string::npos && unitEnd > unitStart) {
unit = str.substr(unitStart, unitEnd - unitStart);
} else {
unit = str.substr(unitStart, str.length() - unitStart);
}
}
}
}
}
std::string value;
std::string unit;
};
enum Capabilities {
CAN_NOTHING = 0,
CAN_BASIC_HTTP = 1,
CAN_GENERIC_HTTP = 2,
};
class USCXML_API InterpreterOptions {
public:
InterpreterOptions() :
withDebugger(false),
verbose(false),
withHTTP(true),
withHTTPS(true),
withWS(true),
logLevel(0),
httpPort(0),
httpsPort(0),
wsPort(0)
{}
bool withDebugger;
bool verbose;
bool withHTTP;
bool withHTTPS;
bool withWS;
int logLevel;
unsigned short httpPort;
unsigned short httpsPort;
unsigned short wsPort;
std::string pluginPath;
std::string certificate;
std::string privateKey;
std::string publicKey;
std::map<std::string, InterpreterOptions*> interpreters;
std::map<std::string, std::string> additionalParameters;
std::string error;
operator bool() {
return error.length() == 0;
}
static void printUsageAndExit(const char* progName);
static InterpreterOptions fromCmdLine(int argc, char** argv);
unsigned int getCapabilities();
};
class USCXML_API NameSpaceInfo {
public:
NameSpaceInfo() : nsContext(NULL) {
init(std::map<std::string, std::string>());
}
NameSpaceInfo(const std::map<std::string, std::string>& nsInfo) : nsContext(NULL) {
init(nsInfo);
}
NameSpaceInfo(const NameSpaceInfo& other) : nsContext(NULL) {
init(other.nsInfo);
}
virtual ~NameSpaceInfo() {
if (nsContext)
delete nsContext;
}
NameSpaceInfo& operator=( const NameSpaceInfo& other ) {
init(other.nsInfo);
return *this;
}
void setPrefix(Arabica::DOM::Element<std::string> element) {
if (nsURL.size() > 0)
element.setPrefix(nsToPrefix[nsURL]);
}
void setPrefix(Arabica::DOM::Attr<std::string> attribute) {
if (nsURL.size() > 0)
attribute.setPrefix(nsToPrefix[nsURL]);
}
std::string getXMLPrefixForNS(const std::string& ns) const {
if (nsToPrefix.find(ns) != nsToPrefix.end() && nsToPrefix.at(ns).size())
return nsToPrefix.at(ns) + ":";
return "";
}
const Arabica::XPath::StandardNamespaceContext<std::string>* getNSContext() {
return nsContext;
}
std::string nsURL; // ough to be "http://www.w3.org/2005/07/scxml" but maybe empty
std::string xpathPrefix; // prefix mapped for xpath, "scxml" is _xmlNSPrefix is empty but _nsURL set
std::string xmlNSPrefix; // the actual prefix for elements in the xml file
std::map<std::string, std::string> nsToPrefix; // prefixes for a given namespace
std::map<std::string, std::string> nsInfo; // all xmlns mappings
private:
Arabica::XPath::StandardNamespaceContext<std::string>* nsContext;
void init(const std::map<std::string, std::string>& nsInfo);
};
struct USCXML_API InterpreterState {
// see: http://stackoverflow.com/questions/18591924/how-to-use-bitmask
enum State {
USCXML_DESTROYED = 0x0001, //
USCXML_INSTANTIATED = 0x0002, // nothing really, just instantiated
USCXML_MICROSTEPPED = 0x0004, //
USCXML_MACROSTEPPED = 0x0008, //
USCXML_IDLE = 0x0010, //
USCXML_FAULTED = 0x0020, // something went very wrong
USCXML_FINISHED = 0x0040, // machine reached a final configuration
};
enum ThreadState {
USCXML_THREAD_RUNNING = 0x0100, //
USCXML_THREAD_STARTED = 0x0200, //
};
enum BitMask {
USCXML_THREAD_MASK = 0xff00,
USCXML_INTERPRETER_MASK = 0x00ff,
};
bool operator==(const InterpreterState& other) const {
return state == other.state && msg == other.msg;
}
bool operator!=(const InterpreterState& other) const {
return !(*this == other);
}
operator int() {
return (int)(state | thread);
}
Event getMessage() {
return msg;
}
static std::string stateToString(int32_t state);
friend USCXML_API std::ostream& operator<< (std::ostream& os, const InterpreterState& interpreterState);
friend USCXML_API class InterpreterImpl;
protected:
int32_t thread;
State state;
Event msg;
};
USCXML_API std::ostream& operator<< (std::ostream& os, const InterpreterState& interpreterState);
class USCXML_API InterpreterImpl : public boost::enable_shared_from_this<InterpreterImpl> {
public:
typedef std::set<InterpreterMonitor*>::iterator monIter_t;
enum Binding {
EARLY = 0,
LATE = 1
};
virtual ~InterpreterImpl();
void copyTo(InterpreterImpl* other);
void copyTo(boost::shared_ptr<InterpreterImpl> other);
// TODO: Look into that pure virtual issue and make these abstract!
virtual InterpreterState interpret() { return _state; } ///< Start interpreter blockingly
virtual InterpreterState step(int waitForMS = 0) { return _state; }; ///< Perform a single step
void start(); ///< Start interpretation in a thread
void stop(); ///< Stop interpreter thread
void reset(); ///< Reset state machine
void join();
bool isRunning();
InterpreterState getInterpreterState();
void addMonitor(InterpreterMonitor* monitor) {
_monitors.insert(monitor);
}
void removeMonitor(InterpreterMonitor* monitor) {
_monitors.erase(monitor);
}
void setSourceURI(std::string sourceURI) {
_sourceURI = URL(sourceURI);
URL baseURI(sourceURI);
URL::toBaseURL(baseURI);
_baseURI = baseURI;
}
URL getBaseURI() {
return _baseURI;
}
URL getSourceURI() {
return _sourceURI;
}
void setCmdLineOptions(std::map<std::string, std::string> params);
Data getCmdLineOptions() {
return _cmdLineOptions;
}
InterpreterHTTPServlet* getHTTPServlet() {
return _httpServlet;
}
DataModel getDataModel() {
return _dataModel;
}
void setParentQueue(uscxml::concurrency::BlockingQueue<SendRequest>* parentQueue) {
_parentQueue = parentQueue;
}
void setFactory(Factory* factory) {
_factory = factory;
}
Factory* getFactory() {
return _factory;
}
Arabica::XPath::NodeSet<std::string> getNodeSetForXPath(const std::string& xpathExpr) {
return _xpath.evaluate(xpathExpr, _scxml).asNodeSet();
}
void setNameSpaceInfo(const NameSpaceInfo& nsInfo) {
_nsInfo = nsInfo;
_xpath.setNamespaceContext(*_nsInfo.getNSContext());
}
NameSpaceInfo getNameSpaceInfo() const {
return _nsInfo;
}
void receiveInternal(const Event& event);
void receive(const Event& event, bool toFront = false);
Event getCurrentEvent() {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
return _currEvent;
}
virtual bool isInState(const std::string& stateId);
Arabica::XPath::NodeSet<std::string> getConfiguration() {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
return _configuration;
}
Arabica::XPath::NodeSet<std::string> getBasicConfiguration() {
tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
Arabica::XPath::NodeSet<std::string> basicConfig;
for (int i = 0; i < _configuration.size(); i++) {
if (isAtomic(_configuration[i]))
basicConfig.push_back(_configuration[i]);
}
return basicConfig;
}
void setInitalConfiguration(const std::vector<std::string>& states) {
_userDefinedStartConfiguration = states;
}
void setInvokeRequest(const InvokeRequest& req) {
_invokeReq = req;
}
virtual Arabica::DOM::Document<std::string> getDocument() const {
return _document;
}
void setCapabilities(unsigned int capabilities) {
_capabilities = capabilities;
}
void setName(const std::string& name);
const std::string& getName() {
return _name;
}
const std::string& getSessionId() {
return _sessionId;
}
DelayedEventQueue* getDelayQueue() {
return _sendQueue;
}
const std::map<std::string, IOProcessor>& getIOProcessors() {
return _ioProcessors;
}
const std::map<std::string, Invoker>& getInvokers() {
return _invokers;
}
bool runOnMainThread(int fps, bool blocking = true);
static bool isMember(const Arabica::DOM::Node<std::string>& node, const Arabica::XPath::NodeSet<std::string>& set);
bool hasLegalConfiguration();
bool isLegalConfiguration(const Arabica::XPath::NodeSet<std::string>&);
bool isLegalConfiguration(const std::vector<std::string>&);
static bool isState(const Arabica::DOM::Node<std::string>& state);
static bool isPseudoState(const Arabica::DOM::Node<std::string>& state);
static bool isTransitionTarget(const Arabica::DOM::Node<std::string>& elem);
static bool isTargetless(const Arabica::DOM::Node<std::string>& transition);
static bool isAtomic(const Arabica::DOM::Node<std::string>& state);
static bool isFinal(const Arabica::DOM::Node<std::string>& state);
static bool isHistory(const Arabica::DOM::Node<std::string>& state);
static bool isParallel(const Arabica::DOM::Node<std::string>& state);
static bool isCompound(const Arabica::DOM::Node<std::string>& state);
static bool isDescendant(const Arabica::DOM::Node<std::string>& s1, const Arabica::DOM::Node<std::string>& s2);
bool isInEmbeddedDocument(const Arabica::DOM::Node<std::string>& node);
bool isInitial(const Arabica::DOM::Node<std::string>& state);
Arabica::DOM::Node<std::string> getState(const std::string& stateId);
Arabica::XPath::NodeSet<std::string> getStates(const std::list<std::string>& stateIds);
Arabica::XPath::NodeSet<std::string> getAllStates();
Arabica::XPath::NodeSet<std::string> getInitialStates(Arabica::DOM::Node<std::string> state = Arabica::DOM::Node<std::string>());
static Arabica::XPath::NodeSet<std::string> getChildStates(const Arabica::DOM::Node<std::string>& state);
static Arabica::XPath::NodeSet<std::string> getChildStates(const Arabica::XPath::NodeSet<std::string>& state);
static Arabica::DOM::Node<std::string> getParentState(const Arabica::DOM::Node<std::string>& element);
static Arabica::DOM::Node<std::string> getAncestorElement(const Arabica::DOM::Node<std::string>& node, const std::string tagName);
virtual Arabica::XPath::NodeSet<std::string> getTargetStates(const Arabica::DOM::Node<std::string>& transition);
virtual Arabica::XPath::NodeSet<std::string> getTargetStates(const Arabica::XPath::NodeSet<std::string>& transitions);
virtual Arabica::DOM::Node<std::string> getSourceState(const Arabica::DOM::Node<std::string>& transition);
static Arabica::XPath::NodeSet<std::string> filterChildElements(const std::string& tagname, const Arabica::DOM::Node<std::string>& node, bool recurse = false);
static Arabica::XPath::NodeSet<std::string> filterChildElements(const std::string& tagName, const Arabica::XPath::NodeSet<std::string>& nodeSet, bool recurse = false);
static Arabica::XPath::NodeSet<std::string> filterChildType(const Arabica::DOM::Node_base::Type type, const Arabica::DOM::Node<std::string>& node, bool recurse = false);
static Arabica::XPath::NodeSet<std::string> filterChildType(const Arabica::DOM::Node_base::Type type, const Arabica::XPath::NodeSet<std::string>& nodeSet, bool recurse = false);
static std::list<std::string> tokenizeIdRefs(const std::string& idRefs);
static std::string spaceNormalize(const std::string& text);
static bool nameMatch(const std::string& transitionEvent, const std::string& event);
Arabica::DOM::Node<std::string> findLCCA(const Arabica::XPath::NodeSet<std::string>& states);
virtual Arabica::XPath::NodeSet<std::string> getProperAncestors(const Arabica::DOM::Node<std::string>& s1, const Arabica::DOM::Node<std::string>& s2);
protected:
static void run(void*); // static method for thread to run
class DOMEventListener : public Arabica::DOM::Events::EventListener<std::string> {
public:
void handleEvent(Arabica::DOM::Events::Event<std::string>& event);
InterpreterImpl* _interpreter;
};
InterpreterImpl();
void init();
void setupAndNormalizeDOM();
virtual void setupIOProcessors();
void initializeData(const Arabica::DOM::Element<std::string>& data);
void finalizeAndAutoForwardCurrentEvent();
void setInterpreterState(InterpreterState::State newState, const std::string& error);
void setInterpreterState(InterpreterState::State newState, const Event& error);
void setInterpreterState(InterpreterState::State newState);
bool _stable;
tthread::thread* _thread;
tthread::recursive_mutex _mutex;
tthread::condition_variable _condVar;
tthread::recursive_mutex _pluginMutex;
InterpreterState _state;
URL _baseURI;
URL _sourceURI;
Arabica::DOM::Document<std::string> _document;
Arabica::DOM::Element<std::string> _scxml;
Arabica::XPath::XPath<std::string> _xpath;
NameSpaceInfo _nsInfo;
bool _topLevelFinalReached;
bool _isInitialized;
bool _domIsSetup;
InterpreterImpl::Binding _binding;
Arabica::XPath::NodeSet<std::string> _configuration;
Arabica::XPath::NodeSet<std::string> _alreadyEntered;
Arabica::XPath::NodeSet<std::string> _statesToInvoke;
std::vector<std::string> _userDefinedStartConfiguration;
InvokeRequest _invokeReq;
DataModel _dataModel;
std::map<std::string, Arabica::XPath::NodeSet<std::string> > _historyValue;
std::list<Event > _internalQueue;
uscxml::concurrency::BlockingQueue<Event> _externalQueue;
uscxml::concurrency::BlockingQueue<SendRequest>* _parentQueue;
DelayedEventQueue* _sendQueue;
DOMEventListener _domEventListener;
Event _currEvent;
Factory* _factory;
InterpreterHTTPServlet* _httpServlet;
InterpreterWebSocketServlet* _wsServlet;
std::set<InterpreterMonitor*> _monitors;
long _lastRunOnMainThread;
std::string _name;
std::string _sessionId;
unsigned int _capabilities;
Data _cmdLineOptions;
virtual void executeContent(const Arabica::DOM::Node<std::string>& content, bool rethrow = false);
virtual void executeContent(const Arabica::DOM::NodeList<std::string>& content, bool rethrow = false);
virtual void executeContent(const Arabica::XPath::NodeSet<std::string>& content, bool rethrow = false);
void processContentElement(const Arabica::DOM::Node<std::string>& element,
Arabica::DOM::Node<std::string>& dom,
std::string& text,
std::string& expr);
void processParamChilds(const Arabica::DOM::Node<std::string>& element,
std::multimap<std::string, Data>& params);
void processDOMorText(const Arabica::DOM::Node<std::string>& element,
Arabica::DOM::Node<std::string>& dom,
std::string& text);
virtual void send(const Arabica::DOM::Node<std::string>& element);
virtual void invoke(const Arabica::DOM::Node<std::string>& element);
virtual void cancelInvoke(const Arabica::DOM::Node<std::string>& element);
virtual void internalDoneSend(const Arabica::DOM::Node<std::string>& state);
static void delayedSend(void* userdata, std::string eventName);
void returnDoneEvent(const Arabica::DOM::Node<std::string>& state);
bool hasConditionMatch(const Arabica::DOM::Node<std::string>& conditional);
bool isInFinalState(const Arabica::DOM::Node<std::string>& state);
bool parentIsScxmlState(const Arabica::DOM::Node<std::string>& state);
IOProcessor getIOProcessor(const std::string& type);
std::map<std::string, IOProcessor> _ioProcessors;
std::map<std::string, std::pair<InterpreterImpl*, SendRequest> > _sendIds;
std::map<std::string, Invoker> _invokers;
std::map<Arabica::DOM::Node<std::string>, ExecutableContent> _executableContent;
/// TODO: We need to adapt them when the DOM is operated upon
std::map<std::string, Arabica::DOM::Node<std::string> > _cachedStates;
std::map<std::string, URL> _cachedURLs;
friend class USCXMLInvoker;
friend class SCXMLIOProcessor;
friend class Interpreter;
};
class USCXML_API Interpreter {
public:
static Interpreter fromDOM(const Arabica::DOM::Document<std::string>& dom,
const NameSpaceInfo& nameSpaceInfo);
static Interpreter fromXML(const std::string& xml);
static Interpreter fromURI(const std::string& uri);
static Interpreter fromClone(const Interpreter& other);
Interpreter() : _impl() {} // the empty, invalid interpreter
Interpreter(boost::shared_ptr<InterpreterImpl> const impl) : _impl(impl) { }
Interpreter(const Interpreter& other) : _impl(other._impl) { }
virtual ~Interpreter() {};
operator bool() const {
return (_impl &&
_impl->_state != InterpreterState::USCXML_FAULTED &&
_impl->_state != InterpreterState::USCXML_DESTROYED);
}
bool operator< (const Interpreter& other) const {
return _impl < other._impl;
}
bool operator==(const Interpreter& other) const {
return _impl == other._impl;
}
bool operator!=(const Interpreter& other) const {
return _impl != other._impl;
}
Interpreter& operator= (const Interpreter& other) {
_impl = other._impl;
return *this;
}
void reset() {
return _impl->reset();
}
void start() {
return _impl->start();
}
void stop() {
return _impl->stop();
}
// void join() {
// return _impl->join();
// };
bool isRunning() {
return _impl->isRunning();
}
void interpret() {
_impl->interpret();
};
InterpreterState step(int waitForMS = 0) {
return _impl->step(waitForMS);
};
InterpreterState step(bool blocking) {
if (blocking)
return _impl->step(-1);
return _impl->step(0);
};
InterpreterState getState() {
return _impl->getInterpreterState();
}
void addMonitor(InterpreterMonitor* monitor) {
return _impl->addMonitor(monitor);
}
void removeMonitor(InterpreterMonitor* monitor) {
return _impl->removeMonitor(monitor);
}
void setSourceURI(std::string sourceURI) {
return _impl->setSourceURI(sourceURI);
}
URL getSourceURI() {
return _impl->getSourceURI();
}
URL getBaseURI() {
return _impl->getBaseURI();
}
void setNameSpaceInfo(const NameSpaceInfo& nsInfo) {
_impl->setNameSpaceInfo(nsInfo);
}
NameSpaceInfo getNameSpaceInfo() const {
return _impl->getNameSpaceInfo();
}
void setCmdLineOptions(std::map<std::string, std::string> params) {
return _impl->setCmdLineOptions(params);
}
Data getCmdLineOptions() {
return _impl->getCmdLineOptions();
}
InterpreterHTTPServlet* getHTTPServlet() {
return _impl->getHTTPServlet();
}
DataModel getDataModel() {
return _impl->getDataModel();
}
void setParentQueue(uscxml::concurrency::BlockingQueue<SendRequest>* parentQueue) {
return _impl->setParentQueue(parentQueue);
}
void setFactory(Factory* factory) {
return _impl->setFactory(factory);
}
Factory* getFactory() {
return _impl->getFactory();
}
Arabica::XPath::NodeSet<std::string> getNodeSetForXPath(const std::string& xpathExpr) {
return _impl->getNodeSetForXPath(xpathExpr);
}
void inline receiveInternal(const Event& event) {
return _impl->receiveInternal(event);
}
void receive(const Event& event, bool toFront = false) {
return _impl->receive(event, toFront);
}
Event getCurrentEvent() {
return _impl->getCurrentEvent();
}
bool isInState(const std::string& stateId) {
return _impl->isInState(stateId);
}
Arabica::XPath::NodeSet<std::string> getConfiguration() {
return _impl->getConfiguration();
}
Arabica::XPath::NodeSet<std::string> getBasicConfiguration() {
return _impl->getBasicConfiguration();
}
void setInitalConfiguration(const std::vector<std::string>& states) {
return _impl->setInitalConfiguration(states);
}
// Arabica::DOM::Node<std::string> getState(const std::string& stateId) {
// return _impl->getState(stateId);
// }
// Arabica::XPath::NodeSet<std::string> getStates(const std::list<std::string>& stateIds) {
// return _impl->getStates(stateIds);
// }
// Arabica::XPath::NodeSet<std::string> getAllStates() {
// return _impl->getAllStates();
// }
Arabica::DOM::Document<std::string> getDocument() const {
return _impl->getDocument();
}
void setCapabilities(unsigned int capabilities) {
return _impl->setCapabilities(capabilities);
}
void setName(const std::string& name) {
return _impl->setName(name);
}
const std::string& getName() {
return _impl->getName();
}
const std::string& getSessionId() {
return _impl->getSessionId();
}
DelayedEventQueue* getDelayQueue() {
return _impl->getDelayQueue();
}
const std::map<std::string, IOProcessor>& getIOProcessors() {
return _impl->getIOProcessors();
}
const std::map<std::string, Invoker>& getInvokers() {
return _impl->getInvokers();
}
bool runOnMainThread(int fps, bool blocking = true) {
return _impl->runOnMainThread(fps, blocking);
}
bool hasLegalConfiguration() {
return _impl->hasLegalConfiguration();
}
bool isLegalConfiguration(const Arabica::XPath::NodeSet<std::string>& config) {
return _impl->isLegalConfiguration(config);
}
bool isLegalConfiguration(const std::vector<std::string>& config) {
return _impl->isLegalConfiguration(config);
}
boost::shared_ptr<InterpreterImpl> getImpl() const {
return _impl;
}
static std::map<std::string, boost::weak_ptr<InterpreterImpl> > getInstances();
protected:
void setInvokeRequest(const InvokeRequest& req) {
return _impl->setInvokeRequest(req);
}
static Interpreter fromInputSource(Arabica::SAX::InputSource<std::string>& source);
boost::shared_ptr<InterpreterImpl> _impl;
static std::map<std::string, boost::weak_ptr<InterpreterImpl> > _instances;
static tthread::recursive_mutex _instanceMutex;
};
class USCXML_API InterpreterMonitor {
public:
virtual ~InterpreterMonitor() {}
virtual void beforeProcessingEvent(Interpreter interpreter, const Event& event) {}
virtual void beforeMicroStep(Interpreter interpreter) {}
virtual void beforeExitingState(Interpreter interpreter, const Arabica::DOM::Element<std::string>& state, bool moreComing) {}
virtual void afterExitingState(Interpreter interpreter, const Arabica::DOM::Element<std::string>& state, bool moreComing) {}
virtual void beforeExecutingContent(Interpreter interpreter, const Arabica::DOM::Element<std::string>& element) {}
virtual void afterExecutingContent(Interpreter interpreter, const Arabica::DOM::Element<std::string>& element) {}
virtual void beforeUninvoking(Interpreter interpreter, const Arabica::DOM::Element<std::string>& invokeElem, const std::string& invokeid) {}
virtual void afterUninvoking(Interpreter interpreter, const Arabica::DOM::Element<std::string>& invokeElem, const std::string& invokeid) {}
virtual void beforeTakingTransition(Interpreter interpreter, const Arabica::DOM::Element<std::string>& transition, bool moreComing) {}
virtual void afterTakingTransition(Interpreter interpreter, const Arabica::DOM::Element<std::string>& transition, bool moreComing) {}
virtual void beforeEnteringState(Interpreter interpreter, const Arabica::DOM::Element<std::string>& state, bool moreComing) {}
virtual void afterEnteringState(Interpreter interpreter, const Arabica::DOM::Element<std::string>& state, bool moreComing) {}
virtual void beforeInvoking(Interpreter interpreter, const Arabica::DOM::Element<std::string>& invokeElem, const std::string& invokeid) {}
virtual void afterInvoking(Interpreter interpreter, const Arabica::DOM::Element<std::string>& invokeElem, const std::string& invokeid) {}
virtual void afterMicroStep(Interpreter interpreter) {}
virtual void onStableConfiguration(Interpreter interpreter) {}
virtual void beforeCompletion(Interpreter interpreter) {}
virtual void afterCompletion(Interpreter interpreter) {}
};
}
#endif
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