C++ xpath::NodeSet类代码示例

Arabica::XPath::NodeSet<std::string> InterpreterDraft6::filterPreempted(const Arabica::XPath::NodeSet<std::string>& enabledTransitions) {
	Arabica::XPath::NodeSet<std::string> filteredTransitions;
	for (unsigned int i = 0; i < enabledTransitions.size(); i++) {
		Node<std::string> t = enabledTransitions[i];
		if (!isTargetless(t)) {
			for (unsigned int j = 0; j < filteredTransitions.size(); j++) {
				if (j == i)
					continue;
				Node<std::string> t2 = filteredTransitions[j];
				if (isPreemptingTransition(t2, t)) {
#if 0
					std::cout << "#####" << std::endl << "Transition " << std::endl
					          << t2 << std::endl << " preempts " << std::endl << t << std::endl << "#####" << std::endl;
#endif
					goto LOOP;
				}
			}
		}
#if 0
		std::cout << "----" << "Enabling Transition " << std::endl << t << std::endl;
#endif

		filteredTransitions.push_back(t);
LOOP:
		;
	}
	return filteredTransitions;
}

  virtual Arabica::XPath::NodeSet<std::string> doEvaluate(const DOM::Node<std::string>& /* context */, 
							  const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
  {
    Arabica::XPath::NodeSet<std::string> set;
    set.push_back(executionContext.currentNode());
    return set;
  } // doEvaluate

  virtual void execute(const DOM::Node<string_type, string_adaptor>& node, 
                       ExecutionContext<string_type, string_adaptor>& context) const
  {
    ParamPasser<string_type, string_adaptor> passer(*this, node, context);

    if(!SortableT::has_sort() && select_ == 0)
    {
      if(node.hasChildNodes())
        context.stylesheet().applyTemplates(node.getChildNodes(), context, mode_);
      return;
    }

    Arabica::XPath::NodeSet<string_type, string_adaptor> nodes;
    if(select_ == 0)
      for(DOM::Node<string_type, string_adaptor> n = node.getFirstChild(); n != 0; n = n.getNextSibling())
        nodes.push_back(n);
    else
    {
      Arabica::XPath::XPathValue<string_type, string_adaptor> value = select_->evaluate(node, context.xpathContext());
      if(value.type() != Arabica::XPath::NODE_SET)
        throw std::runtime_error("apply-templates select expression is not a node-set");
      nodes = value.asNodeSet();
    }
    this->sort(node, nodes, context);
    context.stylesheet().applyTemplates(nodes, context, mode_);
  } // execute

void InterpreterDraft6::microstep(const Arabica::XPath::NodeSet<std::string>& enabledTransitions) {
#if VERBOSE
	std::cout << "Transitions: ";
	for (int i = 0; i < enabledTransitions.size(); i++) {
		std::cout << ((Element<std::string>)getSourceState(enabledTransitions[i])).getAttribute("id") << " -> " << std::endl;
		NodeSet<std::string> targetSet = getTargetStates(enabledTransitions[i]);
		for (int j = 0; j < targetSet.size(); j++) {
			std::cout << "    " << ((Element<std::string>)targetSet[j]).getAttribute("id") << std::endl;
		}
	}
	std::cout << std::endl;
#endif

	// --- MONITOR: beforeMicroStep ------------------------------
	for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
		try {
			(*monIter)->beforeMicroStep(shared_from_this());
		}
		USCXML_MONITOR_CATCH_BLOCK(beforeMicroStep)
	}

	exitStates(enabledTransitions);

	monIter_t monIter;
	for (int i = 0; i < enabledTransitions.size(); i++) {
		Element<std::string> transition(enabledTransitions[i]);

		// --- MONITOR: beforeTakingTransitions ------------------------------
		for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
			try {
				(*monIter)->beforeTakingTransition(shared_from_this(), transition, (i + 1 < enabledTransitions.size()));
			}
			USCXML_MONITOR_CATCH_BLOCK(beforeTakingTransitions)
		}

		executeContent(transition);

		// --- MONITOR: afterTakingTransitions ------------------------------
		for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
			try {
				(*monIter)->afterTakingTransition(shared_from_this(), transition, (i + 1 < enabledTransitions.size()));
			}
			USCXML_MONITOR_CATCH_BLOCK(afterTakingTransitions)
		}
	}

	enterStates(enabledTransitions);

	// --- MONITOR: afterMicroStep ------------------------------
	for(monIter_t monIter = _monitors.begin(); monIter != _monitors.end(); monIter++) {
		try {
			(*monIter)->afterMicroStep(shared_from_this());
		}
		USCXML_MONITOR_CATCH_BLOCK(afterMicroStep)
	}

}

	void beforeCompletion(uscxml::Interpreter interpreter) {
		Arabica::XPath::NodeSet<std::string> config = interpreter.getConfiguration();
		if (config.size() == 1 && boost::iequals(ATTR(config[0], "id"), "pass")) {
			std::cout << "TEST SUCCEEDED" << std::endl;
			exit(EXIT_SUCCESS);
		}
		std::cout << "TEST FAILED" << std::endl;
		exit(EXIT_FAILURE);
	}

// setup / fetch the documents initial transitions
NodeSet<std::string> InterpreterDraft6::getDocumentInitialTransitions() {
	NodeSet<std::string> initialTransitions;
	
	if (_userDefinedStartConfiguration.size() > 0) {
		// we emulate entering a given configuration by creating a pseudo deep history
		Element<std::string> initHistory = _document.createElementNS(_nsInfo.nsURL, "history");
		_nsInfo.setPrefix(initHistory);
		
		initHistory.setAttribute("id", UUID::getUUID());
		initHistory.setAttribute("type", "deep");
		_scxml.insertBefore(initHistory, _scxml.getFirstChild());
		
		std::string histId = ATTR(initHistory, "id");
		NodeSet<std::string> histStates;
		for (int i = 0; i < _userDefinedStartConfiguration.size(); i++) {
			histStates.push_back(getState(_userDefinedStartConfiguration[i]));
		}
		_historyValue[histId] = histStates;
		
		Element<std::string> initialElem = _document.createElementNS(_nsInfo.nsURL, "initial");
		_nsInfo.setPrefix(initialElem);
		
		initialElem.setAttribute("generated", "true");
		Element<std::string> transitionElem = _document.createElementNS(_nsInfo.nsURL, "transition");
		_nsInfo.setPrefix(transitionElem);
		
		transitionElem.setAttribute("target", histId);
		initialElem.appendChild(transitionElem);
		_scxml.appendChild(initialElem);
		initialTransitions.push_back(transitionElem);
		
	} else {
		// try to get initial transition from initial element
		initialTransitions = _xpath.evaluate("/" + _nsInfo.xpathPrefix + "initial/" + _nsInfo.xpathPrefix + "transition", _scxml).asNodeSet();
		if (initialTransitions.size() == 0) {
			Arabica::XPath::NodeSet<std::string> initialStates;
			// fetch per draft
			initialStates = getInitialStates();
			assert(initialStates.size() > 0);
			for (int i = 0; i < initialStates.size(); i++) {
				Element<std::string> initialElem = _document.createElementNS(_nsInfo.nsURL, "initial");
				_nsInfo.setPrefix(initialElem);
				
				initialElem.setAttribute("generated", "true");
				Element<std::string> transitionElem = _document.createElementNS(_nsInfo.nsURL, "transition");
				_nsInfo.setPrefix(transitionElem);
				
				transitionElem.setAttribute("target", ATTR(initialStates[i], "id"));
				initialElem.appendChild(transitionElem);
				_scxml.appendChild(initialElem);
				initialTransitions.push_back(transitionElem);
			}
		}
	}
	return initialTransitions;
}

  void sort(const DOM::Node<std::string>& node, Arabica::XPath::NodeSet<std::string>& nodes, ExecutionContext& context) const
  {
    if(!sort_)
    {
      if(!nodes.forward())
        nodes.to_document_order();
      return;
    }

    sort_->set_context(node, context);
    std::stable_sort(nodes.begin(), nodes.end(), SortP(*sort_));
  } // sort

  virtual void execute(const DOM::Node<std::string>& node, ExecutionContext& context) const
  {
    Arabica::XPath::XPathValue<std::string> value = select_->evaluate(node, context.xpathContext());
    if(value.type() != Arabica::XPath::NODE_SET)
    {
      context.sink().characters(value.asString());
      return;
    } 

    Arabica::XPath::NodeSet<std::string> nodes = value.asNodeSet();
    for(Arabica::XPath::NodeSet<std::string>::const_iterator n = nodes.begin(), e = nodes.end(); n != e; ++n)
      copy(*n, context);
  } // execute

  Arabica::XPath::NodeSet<std::string> nodeSetUnion(const std::string& keyClarkName, 
							     const Arabica::XPath::NodeSet<std::string> nodes,
							     const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
  {
    Arabica::XPath::NodeSet<std::string> results;
    for(Arabica::XPath::NodeSet<std::string>::const_iterator n = nodes.begin(), ne = nodes.end(); n != ne; ++n)
    {
      std::string id = Arabica::XPath::impl::nodeStringValue<std::string, Arabica::default_string_adaptor<std::string> >(*n);
      results.push_back(keys_.lookup(keyClarkName, id, executionContext));
    } // for ...
    results.to_document_order();
    return results;
  } // nodeSetUnion

Arabica::XPath::NodeSet<std::string> InterpreterDraft6::selectTransitions(const std::string& event) {
	Arabica::XPath::NodeSet<std::string> enabledTransitions;

	NodeSet<std::string> states;
	for (unsigned int i = 0; i < _configuration.size(); i++) {
		if (isAtomic(_configuration[i]))
			states.push_back(_configuration[i]);
	}
	states.to_document_order();

#if 0
	std::cout << "Atomic states: " << std::endl;
	for (int i = 0; i < states.size(); i++) {
		std::cout << states[i] << std::endl << "----" << std::endl;
	}
	std::cout << std::endl;
#endif

	unsigned int index = 0;
	while(states.size() > index) {
		bool foundTransition = false;
		NodeSet<std::string> transitions = filterChildElements(_nsInfo.xmlNSPrefix + "transition", states[index]);
		for (unsigned int k = 0; k < transitions.size(); k++) {
			if (isEnabledTransition(transitions[k], event)) {
				enabledTransitions.push_back(transitions[k]);
				foundTransition = true;
				goto LOOP;
			}
		}
		if (!foundTransition) {
			Node<std::string> parent = states[index].getParentNode();
			if (parent) {
				states.push_back(parent);
			}
		}
LOOP:
		index++;
	}

	enabledTransitions = filterPreempted(enabledTransitions);

#if 0
	std::cout << "Enabled transitions: " << std::endl;
	for (int i = 0; i < enabledTransitions.size(); i++) {
		std::cout << DOMUtils::xPathForNode(enabledTransitions[i]) << std::endl;
	}
	std::cout << std::endl;
#endif

	return enabledTransitions;
}

NistXmlTestset::NistXmlTestset(const std::string &file)
		: logger_(logkw::channel = "NistXmlTestset") {
	Arabica::SAX2DOM::Parser<std::string> domParser;
	Arabica::SAX::InputSource<std::string> is(file);
	Arabica::SAX::CatchErrorHandler<std::string> errh;
	domParser.setErrorHandler(errh);
	domParser.parse(is);
	if(errh.errorsReported())
		BOOST_LOG_SEV(logger_, error) << errh.errors();

	Arabica::DOM::Document<std::string> doc = domParser.getDocument();
	if(doc == 0) {
		BOOST_LOG_SEV(logger_, error) << "Error parsing input file: " << file;
		exit(1);
	}

	doc.getDocumentElement().normalize();

	Arabica::XPath::XPath<std::string> xp;

	Arabica::XPath::NodeSet<std::string> docnodes =
		xp.compile("/mteval/srcset/doc").evaluateAsNodeSet(doc.getDocumentElement());
	docnodes.to_document_order();
	BOOST_FOREACH(Arabica::DOM::Node<std::string> n, docnodes)
		documents_.push_back(boost::make_shared<NistXmlDocument>(n));

	outdoc_ = static_cast<Arabica::DOM::Document<std::string> >(doc.cloneNode(true));
	Arabica::DOM::Element<std::string> srcset =
		static_cast<Arabica::DOM::Element<std::string> >(
			xp.compile("/mteval/srcset").evaluateAsNodeSet(outdoc_.getDocumentElement())[0]);

	Arabica::DOM::Element<std::string> tstset = outdoc_.createElement("tstset");
	int docno = 0;
	while(srcset.hasChildNodes()) {
		Arabica::DOM::Node<std::string> n = srcset.removeChild(srcset.getFirstChild());
		tstset.appendChild(n);
		if(n.getNodeType() == Arabica::DOM::Node<std::string>::ELEMENT_NODE &&
				n.getNodeName() == "doc")
			documents_[docno++]->setOutputNode(n);
	}
	tstset.setAttribute("setid", srcset.getAttribute("setid"));
	tstset.setAttribute("srclang", srcset.getAttribute("srclang"));
	tstset.setAttribute("trglang", "TRGLANG");
	tstset.setAttribute("sysid", "SYSID");

	srcset.getParentNode().replaceChild(tstset, srcset);
}

Node<std::string> InterpreterDraft6::findLCPA(const Arabica::XPath::NodeSet<std::string>& states) {
	Arabica::XPath::NodeSet<std::string> ancestors = getProperAncestors(states[0], Node<std::string>());
	Node<std::string> ancestor;
	for (int i = 0; i < ancestors.size(); i++) {
		if (!isParallel(ancestors[i]))
			continue;
		for (int j = 0; j < states.size(); j++) {
			if (!isDescendant(states[j], ancestors[i]) && (states[j] != ancestors[i]))
				goto NEXT_ANCESTOR;
		}
		ancestor = ancestors[i];
		break;
NEXT_ANCESTOR:
		;
	}
	return ancestor;
}

	void printConfig(const Arabica::XPath::NodeSet<std::string>& config) {
		std::string seperator;
		std::cerr << "Config: {";
		for (int i = 0; i < config.size(); i++) {
			std::cerr << seperator << ATTR_CAST(config[i], "id");
			seperator = ", ";
		}
		std::cerr << "}" << std::endl;
	}

std::list<Breakpoint> getQualifiedTransBreakpoints(Interpreter interpreter, const Arabica::DOM::Element<std::string>& transition, Breakpoint breakpointTemplate) {
	std::list<Breakpoint> breakpoints;

	Arabica::DOM::Element<std::string> source(interpreter.getImpl()->getSourceState(transition));
	Arabica::XPath::NodeSet<std::string> targets = interpreter.getImpl()->getTargetStates(transition);

	for (size_t j = 0; j < targets.size(); j++) {
		Arabica::DOM::Element<std::string> target(targets[j]);

		Breakpoint bp = breakpointTemplate; // copy base as template
		bp.element = transition;
		bp.transSourceId = ATTR(source, "id");
		bp.transTargetId = ATTR(target, "id");
		bp.subject = Breakpoint::TRANSITION;

		breakpoints.push_back(bp);
	}

	return breakpoints;
}

  void load_document(const std::string& location,
                     Arabica::XPath::NodeSet<std::string>& nodes) const
  {
    SAX2DOM::Parser<std::string> domParser;
    SAX::CatchErrorHandler<std::string> eh;
    domParser.setErrorHandler(eh);

    Arabica::io::URI base(baseURI_);
    Arabica::io::URI absolute(base, location);

    SAX::InputSource<std::string> is(absolute.as_string());
    domParser.parse(is);

    if(!eh.errorsReported())
        nodes.push_back(domParser.getDocument());
    else
        std::cerr << eh.errors() << std::endl;
  } // load_document