/* * Copyright (c) 2013 Isode Limited. * All rights reserved. * See the COPYING file for more information. */ #include <Sluift/ElementConvertors/PubSubItemConvertor.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; PubSubItemConvertor::PubSubItemConvertor(LuaElementConvertors* convertors) : GenericLuaElementConvertor<PubSubItem>("pubsub_item"), convertors(convertors) { } PubSubItemConvertor::~PubSubItemConvertor() { } boost::shared_ptr<PubSubItem> PubSubItemConvertor::doConvertFromLua(lua_State* L) { boost::shared_ptr<PubSubItem> result = boost::make_shared<PubSubItem>(); 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 = boost::dynamic_pointer_cast<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 PubSubItemConvertor::doConvertToLua(lua_State* L, boost::shared_ptr<PubSubItem> payload) { lua_createtable(L, 0, 0); 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"); } lua_pushstring(L, payload->getID().c_str()); lua_setfield(L, -2, "id"); } boost::optional<LuaElementConvertor::Documentation> PubSubItemConvertor::getDocumentation() const { return Documentation( "PubSubItem", "This table has the following fields:\n\n" "- `data`: array<element (table)>\n" "- `id`: string\n" ); }