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/*
* Copyright (c) 2013-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Sluift/ElementConvertors/PubSubPublishConvertor.h>
#include <memory>
#include <boost/numeric/conversion/cast.hpp>
#include <lua.hpp>
#include <Sluift/LuaElementConvertors.h>
using namespace Swift;
PubSubPublishConvertor::PubSubPublishConvertor(LuaElementConvertors* convertors) :
GenericLuaElementConvertor<PubSubPublish>("pubsub_publish"),
convertors(convertors) {
}
PubSubPublishConvertor::~PubSubPublishConvertor() {
}
std::shared_ptr<PubSubPublish> PubSubPublishConvertor::doConvertFromLua(lua_State* L) {
std::shared_ptr<PubSubPublish> result = std::make_shared<PubSubPublish>();
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< std::shared_ptr<PubSubItem> > items;
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)) {
if (std::shared_ptr<PubSubItem> payload = std::dynamic_pointer_cast<PubSubItem>(convertors->convertFromLuaUntyped(L, -1, "pubsub_item"))) {
items.push_back(payload);
}
}
lua_pop(L, 1);
}
result->setItems(items);
}
lua_pop(L, 1);
return result;
}
void PubSubPublishConvertor::doConvertToLua(lua_State* L, std::shared_ptr<PubSubPublish> 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;
for (auto&& 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");
}
}
boost::optional<LuaElementConvertor::Documentation> PubSubPublishConvertor::getDocumentation() const {
return Documentation(
"PubSubPublish",
"This table has the following fields:\n\n"
"- `node`: string\n"
"- `items`: array<@{PubSubItem}>\n"
);
}
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