/* * Copyright (c) 2014 Isode Limited. * All rights reserved. * See the COPYING file for more information. */ #pragma once #include <boost/numeric/conversion/cast.hpp> #include <Sluift/GenericLuaElementConvertor.h> #include <Sluift/LuaElementConvertors.h> #include <Sluift/Lua/Exception.h> #include <Swiften/Base/foreach.h> #include <Swiften/Elements/Payload.h> #include <Swiften/Elements/IQ.h> #include <Swiften/Elements/Presence.h> #include <Swiften/Elements/Message.h> namespace Swift { template <typename T> class StanzaConvertor : public GenericLuaElementConvertor<T> { public: StanzaConvertor(const std::string& tag) : GenericLuaElementConvertor<T>(tag) { } virtual ~StanzaConvertor() { } boost::shared_ptr<T> getStanza(lua_State* L, LuaElementConvertors* convertors) { boost::shared_ptr<T> result = boost::make_shared<T>(); lua_getfield(L, -1, "id"); if (lua_isstring(L, -1)) { result->setID(lua_tostring(L, -1)); } lua_pop(L, 1); lua_getfield(L, -1, "from"); if (lua_isstring(L, -1)) { result->setFrom(lua_tostring(L, -1)); } lua_pop(L, 1); lua_getfield(L, -1, "to"); if (lua_isstring(L, -1)) { result->setTo(lua_tostring(L, -1)); } lua_pop(L, 1); lua_getfield(L, -1, "payloads"); if (lua_type(L, -1) == LUA_TTABLE) { 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)) { boost::shared_ptr<Payload> payload = boost::dynamic_pointer_cast<Payload>(convertors->convertFromLua(L, -1)); if (!!payload) { result->addPayload(payload); } } lua_pop(L, 1); } } lua_pop(L, 1); return result; } void pushStanza(lua_State* L, const boost::shared_ptr<T> stanza, LuaElementConvertors* convertors) { lua_createtable(L, 0, 0); lua_pushstring(L, stanza->getID().c_str()); lua_setfield(L, -2, "id"); lua_pushstring(L, stanza->getFrom().toString().c_str()); lua_setfield(L, -2, "from"); lua_pushstring(L, stanza->getTo().toString().c_str()); lua_setfield(L, -2, "to"); if (!stanza->getPayloads().empty()) { lua_createtable(L, boost::numeric_cast<int>(stanza->getPayloads().size()), 0); { int i = 0; foreach(const boost::shared_ptr<Payload> &item, stanza->getPayloads()) { if (convertors->convertToLua(L, item) > 0) { lua_rawseti(L, -2, boost::numeric_cast<int>(i+1)); ++i; } } } lua_setfield(L, -2, "payloads"); } } }; }