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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
*/
#include "uscxml/messages/Event.h"
#include "uscxml/dom/DOMUtils.h"
#include <DOM/SAX2DOM/SAX2DOM.hpp>
#include <SAX/helpers/DefaultHandler.hpp>
#include <SAX/helpers/CatchErrorHandler.hpp>
namespace uscxml {
//Arabica::DOM::Node<std::string> Event::getFirstDOMElement() const {
// return getFirstDOMElement(dom);
//}
//
//Arabica::DOM::Document<std::string> Event::getStrippedDOM() const {
// return getStrippedDOM(dom);
//}
//Arabica::DOM::Node<std::string> Event::getFirstDOMElement(const Arabica::DOM::Document<std::string> dom) {
// Arabica::DOM::Node<std::string> data = dom.getDocumentElement().getFirstChild();
// while (data) {
// if (data.getNodeType() == Arabica::DOM::Node_base::TEXT_NODE) {
// std::string trimmed = boost::trim_copy(data.getNodeValue());
// if (trimmed.length() == 0) {
// data = data.getNextSibling();
// continue;
// }
// }
// break;
// }
// return data;
//}
//
//Arabica::DOM::Document<std::string> Event::getStrippedDOM(const Arabica::DOM::Document<std::string> dom) {
// Arabica::DOM::DOMImplementation<std::string> domFactory = Arabica::SimpleDOM::DOMImplementation<std::string>::getDOMImplementation();
// Arabica::DOM::Document<std::string> document = domFactory.createDocument("", "", 0);
// if (dom) {
// document.getDocumentElement().appendChild(document.importNode(getFirstDOMElement(dom), true));
// }
// return document;
//}
std::string Event::toXMLString() {
std::stringstream ss;
ss << toDocument();
return ss.str();
}
Arabica::DOM::Document<std::string> Event::toDocument() {
Arabica::DOM::DOMImplementation<std::string> domFactory = Arabica::SimpleDOM::DOMImplementation<std::string>::getDOMImplementation();
Arabica::DOM::Document<std::string> document = data.toDocument();
Arabica::DOM::Element<std::string> scxmlMsg = document.getDocumentElement();
scxmlMsg.setAttribute("source", origin);
scxmlMsg.setAttribute("name", name);
return document;
}
Event Event::fromXML(const std::string& xmlString) {
Arabica::SAX2DOM::Parser<std::string> eventParser;
Arabica::SAX::CatchErrorHandler<std::string> errorHandler;
eventParser.setErrorHandler(errorHandler);
std::istringstream is(xmlString);
Arabica::SAX::InputSource<std::string> inputSource;
inputSource.setByteStream(is);
Event event;
if(eventParser.parse(inputSource) && eventParser.getDocument().hasChildNodes()) {
Arabica::DOM::Element<std::string> scxmlMsg = eventParser.getDocument().getDocumentElement();
if (HAS_ATTR(scxmlMsg, "name"))
event.name = ATTR(scxmlMsg, "name");
if (HAS_ATTR(scxmlMsg, "sendid"))
event.sendid = ATTR(scxmlMsg, "sendid");
Arabica::DOM::NodeList<std::string> payloads = scxmlMsg.getElementsByTagName("scxml:payload");
if (payloads.getLength() > 0) {
Arabica::DOM::Node<std::string> payload = payloads.item(0);
if (payload.getNodeType() == Arabica::DOM::Node_base::ELEMENT_NODE) {
Arabica::DOM::Element<std::string> payloadElem = (Arabica::DOM::Element<std::string>)payload;
Arabica::DOM::NodeList<std::string> properties = payloadElem.getElementsByTagName("scxml:property");
if (properties.getLength() > 0) {
for (size_t i = 0; i < properties.getLength(); i++) {
if (HAS_ATTR_CAST(properties.item(i), "name")) {
std::string key = ATTR_CAST(properties.item(i), "name");
std::string value;
Arabica::DOM::NodeList<std::string> childs = properties.item(i).getChildNodes();
for (size_t j = 0; j < childs.getLength(); j++) {
if (childs.item(j).getNodeType() == Arabica::DOM::Node_base::TEXT_NODE) {
value = childs.item(j).getNodeValue();
break;
}
}
event.data.compound[key] = Data(value, Data::VERBATIM);
}
}
}
}
}
}
return event;
}
std::ostream& operator<< (std::ostream& os, const Event& event) {
std::string indent;
for (size_t i = 0; i < _dataIndentation; i++) {
indent += " ";
}
os << indent << (event.eventType == Event::EXTERNAL ? "External" : "Internal") << " Event " << (event.dom ? "with DOM attached" : "") << std::endl;
if (event.name.size() > 0)
os << indent << " name: " << event.name << std::endl;
if (event.origin.size() > 0)
os << indent << " origin: " << event.origin << std::endl;
if (event.origintype.size() > 0)
os << indent << " origintype: " << event.origintype << std::endl;
if (event.content.size() > 0)
os << indent << " content: '" << event.content << "'" << std::endl;
if (event.params.size() > 0) {
std::multimap<std::string, Data>::const_iterator paramIter = event.params.begin();
os << indent << " params:" << std::endl;
_dataIndentation++;
while(paramIter != event.params.end()) {
os << indent << " " << paramIter->first << ": ";
os << indent << paramIter->second << std::endl;
paramIter++;
}
_dataIndentation--;
}
if (event.namelist.size() > 0) {
std::map<std::string, Data>::const_iterator namelistIter = event.namelist.begin();
os << indent << " namelist:" << std::endl;
_dataIndentation++;
while(namelistIter != event.namelist.end()) {
os << indent << " " << namelistIter->first << ": ";
os << indent << namelistIter->second << std::endl;
namelistIter++;
}
_dataIndentation--;
}
_dataIndentation++;
os << indent << " data: " << event.data << std::endl;
_dataIndentation--;
return os;
}
}
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