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/*
* Copyright (c) 2013 Remko Tronçon
* Licensed under the GNU General Public License.
* See the COPYING file for more information.
*/
#include <Sluift/ElementConvertors/PubSubItemsConvertor.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;
PubSubItemsConvertor::PubSubItemsConvertor(LuaElementConvertors* convertors) :
GenericLuaElementConvertor<PubSubItems>("pubsub_items"),
convertors(convertors) {
}
PubSubItemsConvertor::~PubSubItemsConvertor() {
}
boost::shared_ptr<PubSubItems> PubSubItemsConvertor::doConvertFromLua(lua_State* L) {
boost::shared_ptr<PubSubItems> result = boost::make_shared<PubSubItems>();
lua_getfield(L, -1, "node");
if (lua_isstring(L, -1)) {
result->setNode(std::string(lua_tostring(L, -1)));
}
lua_pop(L, 1);
if (lua_type(L, -1) == LUA_TTABLE) {
std::vector< boost::shared_ptr<PubSubItem> > 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<PubSubItem> payload = boost::dynamic_pointer_cast<PubSubItem>(convertors->convertFromLuaUntyped(L, -1, "pubsub_item"))) {
items.push_back(payload);
}
}
lua_pop(L, 1);
}
result->setItems(items);
}
lua_getfield(L, -1, "maximum_items");
if (lua_isnumber(L, -1)) {
result->setMaximumItems(boost::numeric_cast<unsigned int>(lua_tonumber(L, -1)));
}
lua_pop(L, 1);
lua_getfield(L, -1, "subscriptionid");
if (lua_isstring(L, -1)) {
result->setSubscriptionID(std::string(lua_tostring(L, -1)));
}
lua_pop(L, 1);
return result;
}
void PubSubItemsConvertor::doConvertToLua(lua_State* L, boost::shared_ptr<PubSubItems> payload) {
lua_createtable(L, 0, 0);
lua_pushstring(L, payload->getNode().c_str());
lua_setfield(L, -2, "node");
if (!payload->getItems().empty()) {
{
int i = 0;
foreach(boost::shared_ptr<PubSubItem> item, payload->getItems()) {
if (convertors->convertToLuaUntyped(L, item) > 0) {
lua_rawseti(L, -2, boost::numeric_cast<int>(i+1));
++i;
}
}
}
}
if (payload->getMaximumItems()) {
lua_pushnumber(L, (*payload->getMaximumItems()));
lua_setfield(L, -2, "maximum_items");
}
if (payload->getSubscriptionID()) {
lua_pushstring(L, (*payload->getSubscriptionID()).c_str());
lua_setfield(L, -2, "subscriptionid");
}
}
boost::optional<LuaElementConvertor::Documentation> PubSubItemsConvertor::getDocumentation() const {
return Documentation(
"PubSubItems",
"This table has the following fields:\n\n"
"- `node`: string\n"
"- `items`: array<@{PubSubItem}>\n"
"- `maximum_items`: number (Optional)\n"
"- `subscriptionid`: string (Optional)\n"
);
}
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Swift