3 files changed, 57 insertions, 0 deletions
diff --git a/Swiften/StringPrep/SConscript b/Swiften/StringPrep/SConscript
new file mode 100644
index 0000000..480d81a
--- /dev/null
+++ b/Swiften/StringPrep/SConscript
@@ -0,0 +1,9 @@
+Import("swiften_env")
+
+myenv = swiften_env.Clone()
+myenv.MergeFlags(swiften_env["LIBIDN_FLAGS"])
+
+objects = myenv.StaticObject([
+			"StringPrep.cpp"
+		])
+swiften_env.Append(SWIFTEN_OBJECTS = [objects])
diff --git a/Swiften/StringPrep/StringPrep.cpp b/Swiften/StringPrep/StringPrep.cpp
new file mode 100644
index 0000000..3e85177
--- /dev/null
+++ b/Swiften/StringPrep/StringPrep.cpp
@@ -0,0 +1,31 @@
+#include "Swiften/StringPrep/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;
+	}
+}
+
+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 "";
+	}
+}
+
+}
diff --git a/Swiften/StringPrep/StringPrep.h b/Swiften/StringPrep/StringPrep.h
new file mode 100644
index 0000000..7dbb03a
--- /dev/null
+++ b/Swiften/StringPrep/StringPrep.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "Swiften/Base/String.h"
+
+namespace Swift {
+	class StringPrep {
+		public:
+			enum Profile {
+				NamePrep,
+				XMPPNodePrep,
+				XMPPResourcePrep,
+				SASLPrep,
+			};
+
+			static String getPrepared(const String& s, Profile profile);
+	};
+}