/* * Copyright (c) 2013 Remko Tronçon * Licensed under the GNU General Public License. * See the COPYING file for more information. */ #include <Sluift/ElementConvertors/PubSubEventItemConvertor.h> #include <lua.hpp> #include <boost/smart_ptr/make_shared.hpp> #include <boost/numeric/conversion/cast.hpp> #include <Sluift/LuaElementConvertors.h> #include <Swiften/Base/foreach.h> #pragma clang diagnostic ignored "-Wunused-private-field" using namespace Swift; PubSubEventItemConvertor::PubSubEventItemConvertor(LuaElementConvertors* convertors) : GenericLuaElementConvertor<PubSubEventItem>("pubsub_event_item"), convertors(convertors) { } PubSubEventItemConvertor::~PubSubEventItemConvertor() { } boost::shared_ptr<PubSubEventItem> PubSubEventItemConvertor::doConvertFromLua(lua_State* L) { boost::shared_ptr<PubSubEventItem> result = boost::make_shared<PubSubEventItem>(); lua_getfield(L, -1, "node"); if (lua_isstring(L, -1)) { result->setNode(std::string(lua_tostring(L, -1))); } lua_pop(L, 1); lua_getfield(L, -1, "publisher"); if (lua_isstring(L, -1)) { result->setPublisher(std::string(lua_tostring(L, -1))); } lua_pop(L, 1); lua_getfield(L, -1, "data"); if (lua_type(L, -1) == LUA_TTABLE) { std::vector< boost::shared_ptr<Payload> > items; for(size_t i = 0; i < lua_objlen(L, -1); ++i) { lua_pushnumber(L, i + 1); lua_gettable(L, -2); if (!lua_isnil(L, -1)) { if (boost::shared_ptr<Payload> payload = convertors->convertFromLua(L, -1)) { items.push_back(payload); } } lua_pop(L, 1); } result->setData(items); } lua_pop(L, 1); lua_getfield(L, -1, "id"); if (lua_isstring(L, -1)) { result->setID(std::string(lua_tostring(L, -1))); } lua_pop(L, 1); return result; } void PubSubEventItemConvertor::doConvertToLua(lua_State* L, boost::shared_ptr<PubSubEventItem> payload) { lua_createtable(L, 0, 0); if (payload->getNode()) { lua_pushstring(L, (*payload->getNode()).c_str()); lua_setfield(L, -2, "node"); } if (payload->getPublisher()) { lua_pushstring(L, (*payload->getPublisher()).c_str()); lua_setfield(L, -2, "publisher"); } if (!payload->getData().empty()) { lua_createtable(L, boost::numeric_cast<int>(payload->getData().size()), 0); { int i = 0; foreach(boost::shared_ptr<Payload> item, payload->getData()) { if (convertors->convertToLua(L, item) > 0) { lua_rawseti(L, -2, boost::numeric_cast<int>(i+1)); ++i; } } } lua_setfield(L, -2, "data"); } if (payload->getID()) { lua_pushstring(L, (*payload->getID()).c_str()); lua_setfield(L, -2, "id"); } }