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/*
* Copyright (c) 2012 Yoann Blein
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#include <Swiften/Parser/PayloadParsers/JingleRTPDescriptionParser.h>
#include <Swiften/Parser/PayloadParserFactoryCollection.h>
#include <Swiften/Parser/PayloadParserFactory.h>
#include <boost/optional.hpp>
namespace Swift {
JingleRTPDescriptionParser::JingleRTPDescriptionParser(PayloadParserFactoryCollection* factories) :
factories(factories), level(0), parsingBandwidth(false) {
}
void JingleRTPDescriptionParser::handleStartElement(const std::string& element, const std::string& ns, const AttributeMap& attributes) {
if (level == 0) {
const std::string& media = attributes.getAttributeValue("media").get_value_or("");
getPayloadInternal()->setMedia(mediaTypeFromString(media));
}
if (level == 1) {
if (element == "bandwidth") {
parsingBandwidth = true;
bandwidthType = attributes.getAttributeValue("type").get_value_or("");
} else {
PayloadParserFactory* payloadParserFactory = factories->getPayloadParserFactory(element, ns, attributes);
if (payloadParserFactory) {
currentPayloadParser.reset(payloadParserFactory->createPayloadParser());
}
}
}
if (level >= 1 && currentPayloadParser && !parsingBandwidth) {
currentPayloadParser->handleStartElement(element, ns, attributes);
}
++level;
}
void JingleRTPDescriptionParser::handleEndElement(const std::string& element, const std::string& ns) {
--level;
if (element == "bandwidth") {
parsingBandwidth = false;
getPayloadInternal()->setBandwidth(bandwidthType, bandwidthValue);
} else if (currentPayloadParser) {
if (level >= 1) {
currentPayloadParser->handleEndElement(element, ns);
}
if (level == 1) {
RTPPayloadType::ref payloadType = boost::dynamic_pointer_cast<RTPPayloadType>(currentPayloadParser->getPayload());
if (payloadType) {
getPayloadInternal()->addPayloadType(*payloadType);
}
}
}
}
void JingleRTPDescriptionParser::handleCharacterData(const std::string& data) {
if (level == 2 && parsingBandwidth) {
bandwidthValue += data;
}
}
JingleRTPDescription::MediaType JingleRTPDescriptionParser::mediaTypeFromString(const std::string& media) {
if (media == "audio") {
return JingleRTPDescription::Audio;
} else if (media == "video") {
return JingleRTPDescription::Video;
} else {
return JingleRTPDescription::Unknown;
}
}
}
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Swift