1 files changed, 55 insertions, 0 deletions
diff --git a/Sluift/Lua/FunctionRegistry.cpp b/Sluift/Lua/FunctionRegistry.cpp
new file mode 100644
index 0000000..99ea096
--- /dev/null
+++ b/Sluift/Lua/FunctionRegistry.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2013 Remko Tronçon
+ * Licensed under the GNU General Public License.
+ * See the COPYING file for more information.
+ */
+
+#include <Sluift/Lua/FunctionRegistry.h>
+
+#include <Swiften/Base/foreach.h>
+
+using namespace Swift::Lua;
+
+FunctionRegistry::FunctionRegistry() {
+}
+
+FunctionRegistry::~FunctionRegistry() {
+}
+
+FunctionRegistry& FunctionRegistry::getInstance() {
+	static FunctionRegistry instance;
+	return instance;
+}
+
+void FunctionRegistry::addFunction(const std::string& name, lua_CFunction function, const std::string& type) {
+	Registration registration;
+	registration.name = name;
+	registration.function = function;
+	registration.type = type;
+	registrations.push_back(registration);
+}
+
+std::string FunctionRegistry::getMetaTableNameForType(const std::string& type) {
+	return "Sluift_" + type;
+}
+
+void FunctionRegistry::registerTypeMetaTable(lua_State* L, const std::string& type) {
+	luaL_newmetatable(L, getMetaTableNameForType(type).c_str());
+	lua_pushvalue(L, -1);
+	lua_setfield(L, -2, "__index");
+	addFunctionsToTable(L, type);
+}
+
+void FunctionRegistry::createFunctionTable(lua_State* L, const std::string& type) {
+	lua_newtable(L);
+	addFunctionsToTable(L, type);
+}
+
+void FunctionRegistry::addFunctionsToTable(lua_State* L, const std::string& type) {
+	foreach(const Registration& registration, registrations) {
+		if (registration.type == type) {
+			lua_pushcclosure(L, registration.function, 0);
+			lua_setfield(L, -2, registration.name.c_str());
+		}
+	}
+}