1 files changed, 114 insertions, 0 deletions
diff --git a/Swiften/LinkLocal/LinkLocalServiceInfo.cpp b/Swiften/LinkLocal/LinkLocalServiceInfo.cpp
new file mode 100644
index 0000000..8ee7ae0
--- /dev/null
+++ b/Swiften/LinkLocal/LinkLocalServiceInfo.cpp
@@ -0,0 +1,114 @@
+#include "Swiften/LinkLocal/LinkLocalServiceInfo.h"
+
+#include <boost/lexical_cast.hpp>
+
+namespace Swift {
+
+ByteArray LinkLocalServiceInfo::toTXTRecord() const {
+	ByteArray result(getEncoded("txtvers=1"));
+	if (!firstName.isEmpty()) {
+		result += getEncoded("1st=" + firstName);
+	}
+	if (!lastName.isEmpty()) {
+		result += getEncoded("last=" + lastName);
+	}
+	if (!email.isEmpty()) {
+		result += getEncoded("email=" + email);
+	}
+	if (jid.isValid()) {
+		result += getEncoded("jid=" + jid.toString());
+	}
+	if (!message.isEmpty()) {
+		result += getEncoded("msg=" + message);
+	}
+	if (!nick.isEmpty()) {
+		result += getEncoded("nick=" + nick);
+	}
+	if (port) {
+		result += getEncoded("port.p2pj=" + String(boost::lexical_cast<std::string>(*port)));
+	}
+
+	switch (status) {
+		case Available: result += getEncoded("status=avail"); break;
+		case Away: result += getEncoded("status=away"); break;
+		case DND: result += getEncoded("status=dnd"); break;
+	}
+
+	return result;
+}
+
+ByteArray LinkLocalServiceInfo::getEncoded(const String& s) {
+	ByteArray sizeByte;
+	sizeByte.resize(1);
+	assert(s.getLength() < 256);
+	sizeByte[0] = s.getUTF8Size();
+	return sizeByte + ByteArray(s);
+}
+
+LinkLocalServiceInfo LinkLocalServiceInfo::createFromTXTRecord(const ByteArray& record) {
+	LinkLocalServiceInfo info;
+	size_t i = 0;
+	while (i < record.getSize()) {
+		std::pair<String,String> entry = readEntry(record, &i);
+		if (entry.first.isEmpty()) {
+			break;
+		}
+		else if (entry.first == "1st") {
+			info.setFirstName(entry.second);
+		}
+		else if (entry.first == "last") {
+			info.setLastName(entry.second);
+		}
+		else if (entry.first == "email") {
+			info.setEMail(entry.second);
+		}
+		else if (entry.first == "jid") {
+			info.setJID(JID(entry.second));
+		}
+		else if (entry.first == "msg") {
+			info.setMessage(entry.second);
+		}
+		else if (entry.first == "nick") {
+			info.setNick(entry.second);
+		}
+		else if (entry.first == "port.p2pj") {
+			info.setPort(boost::lexical_cast<int>(entry.second));
+		}
+		else if (entry.first == "status") {
+			if (entry.second == "away") {
+				info.setStatus(Away);
+			}
+			else if (entry.second == "dnd") {
+				info.setStatus(DND);
+			}
+		}
+	}
+	return info;
+}
+
+std::pair<String,String> LinkLocalServiceInfo::readEntry(const ByteArray& record, size_t* index) {
+	size_t& i = *index;
+	String key;
+	String value;
+
+	size_t entryEnd = i + 1 + record[i];
+	++i;
+	bool inKey = true;
+	while (i < entryEnd && i < record.getSize()) {
+		if (inKey) {
+			if (record[i] == '=') {
+				inKey = false;
+			}
+			else {
+				key += record[i];
+			}
+		}
+		else {
+			value += record[i];
+		}
+		++i;
+	}
+	return std::make_pair(key, value);
+}
+
+}