/* * Copyright (c) 2013 Remko Tronçon * Licensed under the GNU General Public License. * See the COPYING file for more information. */ #include <Sluift/ElementConvertors/PubSubEventItemsConvertor.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; PubSubEventItemsConvertor::PubSubEventItemsConvertor(LuaElementConvertors* convertors) : GenericLuaElementConvertor<PubSubEventItems>("pubsub_event_items"), convertors(convertors) { } PubSubEventItemsConvertor::~PubSubEventItemsConvertor() { } boost::shared_ptr<PubSubEventItems> PubSubEventItemsConvertor::doConvertFromLua(lua_State* L) { boost::shared_ptr<PubSubEventItems> result = boost::make_shared<PubSubEventItems>(); 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, "items"); if (lua_type(L, -1) == LUA_TTABLE) { std::vector< boost::shared_ptr<PubSubEventItem> > 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<PubSubEventItem> payload = boost::dynamic_pointer_cast<PubSubEventItem>(convertors->convertFromLuaUntyped(L, -1, "pubsub_event_item"))) { items.push_back(payload); } } lua_pop(L, 1); } result->setItems(items); } lua_pop(L, 1); lua_getfield(L, -1, "retracts"); if (lua_type(L, -1) == LUA_TTABLE) { std::vector< boost::shared_ptr<PubSubEventRetract> > 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<PubSubEventRetract> payload = boost::dynamic_pointer_cast<PubSubEventRetract>(convertors->convertFromLuaUntyped(L, -1, "pubsub_event_retract"))) { items.push_back(payload); } } lua_pop(L, 1); } result->setRetracts(items); } lua_pop(L, 1); return result; } void PubSubEventItemsConvertor::doConvertToLua(lua_State* L, boost::shared_ptr<PubSubEventItems> payload) { lua_createtable(L, 0, 0); lua_pushstring(L, payload->getNode().c_str()); lua_setfield(L, -2, "node"); if (!payload->getItems().empty()) { lua_createtable(L, boost::numeric_cast<int>(payload->getItems().size()), 0); { int i = 0; foreach(boost::shared_ptr<PubSubEventItem> item, payload->getItems()) { if (convertors->convertToLuaUntyped(L, item) > 0) { lua_rawseti(L, -2, boost::numeric_cast<int>(i+1)); ++i; } } } lua_setfield(L, -2, "items"); } if (!payload->getRetracts().empty()) { lua_createtable(L, boost::numeric_cast<int>(payload->getRetracts().size()), 0); { int i = 0; foreach(boost::shared_ptr<PubSubEventRetract> item, payload->getRetracts()) { if (convertors->convertToLuaUntyped(L, item) > 0) { lua_rawseti(L, -2, boost::numeric_cast<int>(i+1)); ++i; } } } lua_setfield(L, -2, "retracts"); } }