diff options
Diffstat (limited to 'src/uscxml/transform/ChartToMinimalSCXML.cpp')
| -rw-r--r-- | src/uscxml/transform/ChartToMinimalSCXML.cpp | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/src/uscxml/transform/ChartToMinimalSCXML.cpp b/src/uscxml/transform/ChartToMinimalSCXML.cpp deleted file mode 100644 index 80db707..0000000 --- a/src/uscxml/transform/ChartToMinimalSCXML.cpp +++ /dev/null @@ -1,284 +0,0 @@ -/** - * @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 - */ - -#include "uscxml/transform/ChartToMinimalSCXML.h" -#include "uscxml/transform/FlatStateIdentifier.h" -#include "uscxml/Convenience.h" -#include "uscxml/Factory.h" - -#include <DOM/io/Stream.hpp> -#include <glog/logging.h> - -#include <iostream> - -namespace uscxml { - -using namespace Arabica::XPath; -using namespace Arabica::DOM; - -Transformer ChartToMinimalSCXML::transform(const Interpreter& other) { - return boost::shared_ptr<TransformerImpl>(new ChartToMinimalSCXML(other)); -} - -ChartToMinimalSCXML::ChartToMinimalSCXML(const Interpreter& other) : TransformerImpl(), _retainAsComments(false), _step(1) { - cloneFrom(other.getImpl()); - - // a bit messy but needed for SCXML IO Processor with session id target - _selfPtr = boost::shared_ptr<InterpreterImpl>(this, Deleter()); - Interpreter::addInstance(_selfPtr); -} - -void ChartToMinimalSCXML::writeTo(std::ostream& stream) { - - addMonitor(this); - - { - NodeSet<std::string> allElements = DOMUtils::filterChildType(Node_base::ELEMENT_NODE, _scxml, true); - size_t nrElements = 0; - for (size_t i = 0; i < allElements.size(); i++) { - if (!isInEmbeddedDocument(allElements[i])) - nrElements++; - } - std::cerr << "Number of elements before reduction: " << nrElements + 1 << std::endl; - } - - // test 278 - move embedded datas to topmost datamodel - if (_binding == EARLY) { - // move all data elements into topmost datamodel element - NodeSet<std::string> datas = DOMUtils::filterChildElements(_nsInfo.xmlNSPrefix + "data", _scxml, true); - - if (datas.size() > 0) { - Node<std::string> topMostDatamodel; - NodeSet<std::string> datamodels = DOMUtils::filterChildElements(_nsInfo.xmlNSPrefix + "datamodel", _scxml, false); - if (datamodels.size() > 0) { - topMostDatamodel = datamodels[0]; - } else { - topMostDatamodel = _document.createElementNS(_nsInfo.nsURL, "datamodel"); - _scxml.insertBefore(topMostDatamodel, _scxml.getFirstChild()); - } - - while(topMostDatamodel.hasChildNodes()) - topMostDatamodel.removeChild(topMostDatamodel.getFirstChild()); - - for (size_t i = 0; i < datas.size(); i++) { - if (!isInEmbeddedDocument(datas[i])) { - topMostDatamodel.appendChild(datas[i]); - } - } - } - } - - char* waitForEnv = getenv("USCXML_MINIMIZE_WAIT_MS"); - _retainAsComments = envVarIsTrue("USCXML_MINIMIZE_RETAIN_AS_COMMENTS"); - - long waitFor = -1; - - if (waitForEnv != NULL) { - try { - waitFor = strTo<long>(waitForEnv); - } catch (...) { - waitFor = 0; - } - } - - if (envVarIsTrue("USCXML_MINIMIZE_WAIT_FOR_COMPLETION")) { - interpret(); - } else { - start(); - if (waitFor < 0) { - // wait for EOF / CTRL+D - char c; - while(true) { - std::cin >> c; - if(std::cin.eof()) - break; - } - } else { - tthread::this_thread::sleep_for(tthread::chrono::milliseconds(waitFor)); - } - } - stop(); - - removeUnvisited(_scxml); - - { - NodeSet<std::string> allElements = DOMUtils::filterChildType(Node_base::ELEMENT_NODE, _scxml, true); - size_t nrElements = 0; - for (size_t i = 0; i < allElements.size(); i++) { - if (!isInEmbeddedDocument(allElements[i])) - nrElements++; - } - std::cerr << "Number of elements after reduction: " << nrElements + 1 << std::endl; - } - - // unset data model - _dmCopy = DataModel(); - - stream << _scxml; -} - -void ChartToMinimalSCXML::removeUnvisited(Arabica::DOM::Node<std::string>& node) { - if (node.getNodeType() != Node_base::ELEMENT_NODE) - return; - - Element<std::string> elem(node); - - if (isInEmbeddedDocument(elem) || - (TAGNAME(elem) == _nsInfo.xmlNSPrefix + "param") || - (TAGNAME(elem) == _nsInfo.xmlNSPrefix + "donedata") || - (TAGNAME(elem) == _nsInfo.xmlNSPrefix + "datamodel") || - (TAGNAME(elem) == _nsInfo.xmlNSPrefix + "data") || - (TAGNAME(elem) == _nsInfo.xmlNSPrefix + "content")) { - return; - } - - // special handling for conditional blocks with if - if (TAGNAME(elem) == _nsInfo.xmlNSPrefix + "if") { - NodeSet<std::string> ifChilds = DOMUtils::filterChildType(Node_base::ELEMENT_NODE, elem, false); - Element<std::string> lastConditional = elem; - bool hadVisitedChild = false; - for (size_t j = 0; j < ifChilds.size(); j++) { - Element<std::string> ifChildElem(ifChilds[j]); - if (TAGNAME(ifChildElem) == _nsInfo.xmlNSPrefix + "else" || TAGNAME(ifChildElem) == _nsInfo.xmlNSPrefix + "elseif") { - if (!hadVisitedChild && HAS_ATTR(lastConditional, "cond")) { - lastConditional.setAttribute("cond", "false"); - } - lastConditional = ifChildElem; - hadVisitedChild = false; - } - if (_visited.find(ifChildElem) != _visited.end()) { - _visited.insert(lastConditional); - hadVisitedChild = true; - } - } - } - - // test344 - if (_dmCopy && - TAGNAME(elem) == _nsInfo.xmlNSPrefix + "transition" && - HAS_ATTR(elem, "cond") && - !_dmCopy.isValidSyntax(ATTR(elem, "cond"))) - return; - - // detach unvisited nodes from DOM - if (_visited.find(node) == _visited.end()) { - std::cerr << DOMUtils::xPathForNode(node) << std::endl; - if (_retainAsComments) { - std::stringstream oldContent; - oldContent << node; - node.getParentNode().replaceChild(_document.createComment(boost::replace_all_copy(oldContent.str(),"--", "-")), node); - } else { - // removeChildren is not working as expected -// node.getParentNode().replaceChild(_document.createTextNode(""), node); - node.getParentNode().removeChild(node); - } - return; - } - - // iterate and remove unvisited children - NodeList<std::string> children = node.getChildNodes(); - for (size_t i = 0; i < children.getLength(); i++) { - Node<std::string> child(children.item(i)); - removeUnvisited(child); - } -} - -void ChartToMinimalSCXML::markAsVisited(const Arabica::DOM::Element<std::string>& element) { - if (_visited.find(element) != _visited.end()) - return; - - Arabica::DOM::Element<std::string> elem = const_cast<Arabica::DOM::Element<std::string>&>(element); - - _visited.insert(element); - Node<std::string> parent = element.getParentNode(); - if (parent && parent.getNodeType() == Node_base::ELEMENT_NODE) { - Arabica::DOM::Element<std::string> parentElem(parent); - markAsVisited(parentElem); - } -} - -void ChartToMinimalSCXML::beforeExecutingContent(Interpreter interpreter, const Arabica::DOM::Element<std::string>& element) { - markAsVisited(element); - StateTransitionMonitor::beforeExecutingContent(interpreter, element); -} - -void ChartToMinimalSCXML::beforeUninvoking(Interpreter interpreter, const Arabica::DOM::Element<std::string>& invokeElem, const std::string& invokeid) { - markAsVisited(invokeElem); -} - -void ChartToMinimalSCXML::beforeTakingTransition(Interpreter interpreter, const Arabica::DOM::Element<std::string>& transition, bool moreComing) { - NodeSet<std::string> targets = getTargetStates(transition); - // we need this for history pseudo states - for (size_t i = 0; i < targets.size(); i++) { - markAsVisited(Arabica::DOM::Element<std::string>(targets[i])); - } - markAsVisited(transition); - - std::stringstream commentSS; - if (HAS_ATTR(transition, "event")) { - commentSS << " Step #" << _step++ << " - transition taken for event '" << _currEvent.name << "' "; - } else { - commentSS << " Step #" << _step++ << " - spontaneous transition taken "; - } - if (envVarIsTrue("USCXML_ANNOTATE_PROGRESS")) - transition.getParentNode().insertBefore(_document.createComment(commentSS.str()), transition); - - StateTransitionMonitor::beforeTakingTransition(interpreter, transition, moreComing); -} - -void ChartToMinimalSCXML::beforeEnteringState(Interpreter interpreter, const Arabica::DOM::Element<std::string>& state, bool moreComing) { - markAsVisited(state); - - std::stringstream commentSS; - commentSS << " Step #" << _step++ << " - state entered "; - - Arabica::DOM::Element<std::string> ncState = const_cast<Arabica::DOM::Element<std::string>&>(state); - if (envVarIsTrue("USCXML_ANNOTATE_PROGRESS")) - ncState.insertBefore(_document.createComment(commentSS.str()), ncState.getFirstChild()); - - StateTransitionMonitor::beforeEnteringState(interpreter, state, moreComing); -} - -void ChartToMinimalSCXML::beforeInvoking(Interpreter interpreter, const Arabica::DOM::Element<std::string>& invokeElem, const std::string& invokeid) { - markAsVisited(invokeElem); -} - -void ChartToMinimalSCXML::beforeCompletion(Interpreter interpreter) { - _dmCopy = _dataModel; // retain a copy; -} - -void ChartToMinimalSCXML::executeContent(const Arabica::DOM::Element<std::string>& content, bool rethrow) { - markAsVisited(content); - InterpreterRC::executeContent(content, rethrow); -} - -void ChartToMinimalSCXML::invoke(const Arabica::DOM::Element<std::string>& element) { - markAsVisited(element); - InterpreterRC::invoke(element); -} - -void ChartToMinimalSCXML::cancelInvoke(const Arabica::DOM::Element<std::string>& element) { - markAsVisited(element); - InterpreterRC::cancelInvoke(element); -} - -void ChartToMinimalSCXML::onStableConfiguration(uscxml::Interpreter interpreter) { -} - -}
\ No newline at end of file |