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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Parser/PayloadParsers/StreamInitiationParser.h>
#include <boost/lexical_cast.hpp>
#include <boost/cast.hpp>
#include <Swiften/Parser/PayloadParsers/FormParserFactory.h>
#include <Swiften/Parser/PayloadParsers/FormParser.h>
#include <Swiften/Base/foreach.h>
#define FILE_TRANSFER_NS "http://jabber.org/protocol/si/profile/file-transfer"
#define FEATURE_NEG_NS "http://jabber.org/protocol/feature-neg"
namespace Swift {
StreamInitiationParser::StreamInitiationParser() : level(TopLevel), formParser(0), inFile(false), inFeature(false) {
formParserFactory = new FormParserFactory();
}
StreamInitiationParser::~StreamInitiationParser() {
delete formParserFactory;
}
void StreamInitiationParser::handleStartElement(const std::string& element, const std::string& ns, const AttributeMap& attributes) {
if (level == TopLevel) {
getPayloadInternal()->setID(attributes.getAttribute("id"));
if (!attributes.getAttribute("profile").empty()) {
getPayloadInternal()->setIsFileTransfer(attributes.getAttribute("profile") == FILE_TRANSFER_NS);
}
}
else if (level == PayloadLevel) {
if (element == "file") {
inFile = true;
currentFile = StreamInitiationFileInfo();
currentFile.setName(attributes.getAttribute("name"));
try {
currentFile.setSize(boost::lexical_cast<int>(attributes.getAttribute("size")));
}
catch (boost::bad_lexical_cast&) {
}
}
else if (element == "feature" && ns == FEATURE_NEG_NS) {
inFeature = true;
}
}
else if (level == FileOrFeatureLevel) {
if (inFile && element == "desc") {
currentText.clear();
}
else if (inFeature && formParserFactory->canParse(element, ns, attributes)) {
assert(!formParser);
formParser = boost::polymorphic_downcast<FormParser*>(formParserFactory->createPayloadParser());
}
}
if (formParser) {
formParser->handleStartElement(element, ns, attributes);
}
++level;
}
void StreamInitiationParser::handleEndElement(const std::string& element, const std::string& ns) {
--level;
if (formParser) {
formParser->handleEndElement(element, ns);
}
if (level == TopLevel) {
}
else if (level == PayloadLevel) {
if (element == "file") {
getPayloadInternal()->setFileInfo(currentFile);
inFile = false;
}
else if (element == "feature" && ns == FEATURE_NEG_NS) {
inFeature = false;
}
}
else if (level == FileOrFeatureLevel) {
if (inFile && element == "desc") {
currentFile.setDescription(currentText);
}
else if (formParser) {
Form::ref form = formParser->getPayloadInternal();
if (form) {
FormField::ref field = boost::dynamic_pointer_cast<FormField>(form->getField("stream-method"));
if (field) {
if (form->getType() == Form::FormType) {
foreach (const FormField::Option& option, field->getOptions()) {
getPayloadInternal()->addProvidedMethod(option.value);
}
}
else if (form->getType() == Form::SubmitType) {
if (field->getRawValues().size() > 0) {
getPayloadInternal()->setRequestedMethod(field->getRawValues()[0]);
}
}
}
}
delete formParser;
formParser = NULL;
}
}
}
void StreamInitiationParser::handleCharacterData(const std::string& data) {
if (formParser) {
formParser->handleCharacterData(data);
}
else {
currentText += data;
}
}
}
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Swift