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/*
* Copyright (c) 2013 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt 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");
}
}
boost::optional<LuaElementConvertor::Documentation> PubSubEventItemConvertor::getDocumentation() const {
return Documentation(
"PubSubEventItem",
"This table has the following fields:\n\n"
"- `node`: string (Optional)\n"
"- `publisher`: string (Optional)\n"
"- `data`: array<element (table)>\n"
"- `id`: string (Optional)\n"
);
}
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Swift