1 files changed, 39 insertions, 0 deletions
diff --git a/Swiften/IDN/StringPrep.cpp b/Swiften/IDN/StringPrep.cpp
new file mode 100644
index 0000000..d9e061e
--- /dev/null
+++ b/Swiften/IDN/StringPrep.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2010 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include "Swiften/IDN/StringPrep.h"
+
+#include <stringprep.h>
+#include <vector>
+
+namespace Swift {
+
+static const int MAX_STRINGPREP_SIZE = 1024;
+
+const Stringprep_profile* getLibIDNProfile(StringPrep::Profile profile) {
+	switch(profile) {
+		case StringPrep::NamePrep: return stringprep_nameprep; break;
+		case StringPrep::XMPPNodePrep: return stringprep_xmpp_nodeprep; break;
+		case StringPrep::XMPPResourcePrep: return stringprep_xmpp_resourceprep; break;
+		case StringPrep::SASLPrep: return stringprep_saslprep; break;
+	}
+	assert(false);
+	return 0;
+}
+
+String StringPrep::getPrepared(const String& s, Profile profile) {
+	
+	std::vector<char> input(s.getUTF8String().begin(), s.getUTF8String().end());
+	input.resize(MAX_STRINGPREP_SIZE);
+	if (stringprep(&input[0], MAX_STRINGPREP_SIZE, static_cast<Stringprep_profile_flags>(0), getLibIDNProfile(profile)) == 0) {
+		return String(&input[0]);
+	}
+	else {
+		return "";
+	}
+}
+
+}