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/*
* Copyright (c) 2014-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#pragma once
#include <boost/numeric/conversion/cast.hpp>
#include <Swiften/Elements/IQ.h>
#include <Swiften/Elements/Message.h>
#include <Swiften/Elements/Payload.h>
#include <Swiften/Elements/Presence.h>
#include <Sluift/GenericLuaElementConvertor.h>
#include <Sluift/Lua/Exception.h>
#include <Sluift/LuaElementConvertors.h>
namespace Swift {
template <typename T> class StanzaConvertor : public GenericLuaElementConvertor<T> {
public:
StanzaConvertor(const std::string& tag)
: GenericLuaElementConvertor<T>(tag) {
}
virtual ~StanzaConvertor() {
}
std::shared_ptr<T> getStanza(lua_State* L, LuaElementConvertors* convertors) {
std::shared_ptr<T> result = std::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_rawlen(L, -1); ++i) {
lua_pushnumber(L, i + 1);
lua_gettable(L, -2);
if (!lua_isnil(L, -1)) {
std::shared_ptr<Payload> payload = std::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 std::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;
for (const auto& 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");
}
}
};
}
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