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/*
* Copyright (c) 2014-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/Parser/PayloadParsers/JingleFileTransferFileInfoParser.h>
#include <boost/lexical_cast.hpp>
#include <boost/optional.hpp>
#include <Swiften/Base/DateTime.h>
#include <Swiften/StringCodecs/Base64.h>
namespace Swift {
JingleFileTransferFileInfoParser::JingleFileTransferFileInfoParser() : level(0) {
}
template<typename T> boost::optional<T> safeLexicalCast(const std::string& str) {
boost::optional<T> ret;
try {
ret = boost::lexical_cast<T>(str);
} catch (boost::bad_lexical_cast &) {
}
return ret;
}
void JingleFileTransferFileInfoParser::handleStartElement(const std::string& element, const std::string&, const AttributeMap& attributes) {
charData.clear();
if (element == "hash") {
hashAlg = attributes.getAttributeValue("algo").get_value_or("");
}
else if (element == "range") {
rangeOffset = safeLexicalCast<boost::uintmax_t>(attributes.getAttributeValue("offset").get_value_or(""));
}
++level;
}
void JingleFileTransferFileInfoParser::handleEndElement(const std::string& element, const std::string&) {
--level;
if (level == 1) {
if (element == "date") {
getPayloadInternal()->setDate(stringToDateTime(charData));
}
else if (element == "desc") {
getPayloadInternal()->setDescription(charData);
}
else if (element == "media-type") {
getPayloadInternal()->setMediaType(charData);
}
else if (element == "name") {
getPayloadInternal()->setName(charData);
}
else if (element == "size") {
boost::optional<boost::uintmax_t> size = safeLexicalCast<boost::uintmax_t>(charData);
if (size) {
getPayloadInternal()->setSize(size.get());
}
}
else if (element == "range") {
getPayloadInternal()->setSupportsRangeRequests(true);
if (rangeOffset) {
getPayloadInternal()->setRangeOffset(rangeOffset.get_value_or(0));
}
}
else if (element == "hash") {
getPayloadInternal()->addHash(HashElement(hashAlg, Base64::decode(charData)));
}
}
}
void JingleFileTransferFileInfoParser::handleCharacterData(const std::string& data) {
charData += data;
}
}
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Swift