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Diffstat (limited to 'Sluift/ElementConvertors/PubSubPublishConvertor.cpp')
-rw-r--r-- | Sluift/ElementConvertors/PubSubPublishConvertor.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Sluift/ElementConvertors/PubSubPublishConvertor.cpp b/Sluift/ElementConvertors/PubSubPublishConvertor.cpp new file mode 100644 index 0000000..4a5ae35 --- /dev/null +++ b/Sluift/ElementConvertors/PubSubPublishConvertor.cpp @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2013 Remko Tronçon + * Licensed under the GNU General Public License v3. + * See Documentation/Licenses/GPLv3.txt for more information. + */ + +#include <Sluift/ElementConvertors/PubSubPublishConvertor.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; + +PubSubPublishConvertor::PubSubPublishConvertor(LuaElementConvertors* convertors) : + GenericLuaElementConvertor<PubSubPublish>("pubsub_publish"), + convertors(convertors) { +} + +PubSubPublishConvertor::~PubSubPublishConvertor() { +} + +boost::shared_ptr<PubSubPublish> PubSubPublishConvertor::doConvertFromLua(lua_State* L) { + boost::shared_ptr<PubSubPublish> result = boost::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< 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_pop(L, 1); + return result; +} + +void PubSubPublishConvertor::doConvertToLua(lua_State* L, boost::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; + 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; + } + } + } + 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" + ); +} |